diff options
Diffstat (limited to 'src/slic3r/GUI/GLCanvas3D.cpp')
| -rw-r--r-- | src/slic3r/GUI/GLCanvas3D.cpp | 5522 |
1 files changed, 5522 insertions, 0 deletions
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp new file mode 100644 index 000000000..cb3250916 --- /dev/null +++ b/src/slic3r/GUI/GLCanvas3D.cpp @@ -0,0 +1,5522 @@ +#include "GLCanvas3D.hpp" + +#include "../../admesh/stl.h" +#include "../../libslic3r/libslic3r.h" +#include "../../slic3r/GUI/3DScene.hpp" +#include "../../slic3r/GUI/GLShader.hpp" +#include "../../slic3r/GUI/GUI.hpp" +#include "../../slic3r/GUI/PresetBundle.hpp" +#include "../../slic3r/GUI/GLGizmo.hpp" +#include "../../libslic3r/ClipperUtils.hpp" +#include "../../libslic3r/PrintConfig.hpp" +#include "../../libslic3r/GCode/PreviewData.hpp" + +#include <GL/glew.h> + +#include <wx/glcanvas.h> +#include <wx/timer.h> +#include <wx/bitmap.h> +#include <wx/dcmemory.h> +#include <wx/image.h> +#include <wx/settings.h> + +// Print now includes tbb, and tbb includes Windows. This breaks compilation of wxWidgets if included before wx. +#include "../../libslic3r/Print.hpp" + +#include <tbb/parallel_for.h> +#include <tbb/spin_mutex.h> + +#include <boost/log/trivial.hpp> +#include <boost/algorithm/string/predicate.hpp> + +#include <iostream> +#include <float.h> +#include <algorithm> + +static const float TRACKBALLSIZE = 0.8f; +static const float GIMBALL_LOCK_THETA_MAX = 180.0f; +static const float GROUND_Z = -0.02f; + +// phi / theta angles to orient the camera. +static const float VIEW_DEFAULT[2] = { 45.0f, 45.0f }; +static const float VIEW_LEFT[2] = { 90.0f, 90.0f }; +static const float VIEW_RIGHT[2] = { -90.0f, 90.0f }; +static const float VIEW_TOP[2] = { 0.0f, 0.0f }; +static const float VIEW_BOTTOM[2] = { 0.0f, 180.0f }; +static const float VIEW_FRONT[2] = { 0.0f, 90.0f }; +static const float VIEW_REAR[2] = { 180.0f, 90.0f }; + +static const float VARIABLE_LAYER_THICKNESS_BAR_WIDTH = 70.0f; +static const float VARIABLE_LAYER_THICKNESS_RESET_BUTTON_HEIGHT = 22.0f; + +static const float UNIT_MATRIX[] = { 1.0f, 0.0f, 0.0f, 0.0f, + 0.0f, 1.0f, 0.0f, 0.0f, + 0.0f, 0.0f, 1.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f }; + +static const float DEFAULT_BG_COLOR[3] = { 10.0f / 255.0f, 98.0f / 255.0f, 144.0f / 255.0f }; +static const float ERROR_BG_COLOR[3] = { 144.0f / 255.0f, 49.0f / 255.0f, 10.0f / 255.0f }; + +namespace Slic3r { +namespace GUI { + +bool GeometryBuffer::set_from_triangles(const Polygons& triangles, float z, bool generate_tex_coords) +{ + m_vertices.clear(); + m_tex_coords.clear(); + + unsigned int v_size = 9 * (unsigned int)triangles.size(); + unsigned int t_size = 6 * (unsigned int)triangles.size(); + if (v_size == 0) + return false; + + m_vertices = std::vector<float>(v_size, 0.0f); + if (generate_tex_coords) + m_tex_coords = std::vector<float>(t_size, 0.0f); + + float min_x = unscale<float>(triangles[0].points[0](0)); + float min_y = unscale<float>(triangles[0].points[0](1)); + float max_x = min_x; + float max_y = min_y; + + unsigned int v_coord = 0; + unsigned int t_coord = 0; + for (const Polygon& t : triangles) + { + for (unsigned int v = 0; v < 3; ++v) + { + const Point& p = t.points[v]; + float x = unscale<float>(p(0)); + float y = unscale<float>(p(1)); + + m_vertices[v_coord++] = x; + m_vertices[v_coord++] = y; + m_vertices[v_coord++] = z; + + if (generate_tex_coords) + { + m_tex_coords[t_coord++] = x; + m_tex_coords[t_coord++] = y; + + min_x = std::min(min_x, x); + max_x = std::max(max_x, x); + min_y = std::min(min_y, y); + max_y = std::max(max_y, y); + } + } + } + + if (generate_tex_coords) + { + float size_x = max_x - min_x; + float size_y = max_y - min_y; + + if ((size_x != 0.0f) && (size_y != 0.0f)) + { + float inv_size_x = 1.0f / size_x; + float inv_size_y = -1.0f / size_y; + for (unsigned int i = 0; i < m_tex_coords.size(); i += 2) + { + m_tex_coords[i] *= inv_size_x; + m_tex_coords[i + 1] *= inv_size_y; + } + } + } + + return true; +} + +bool GeometryBuffer::set_from_lines(const Lines& lines, float z) +{ + m_vertices.clear(); + m_tex_coords.clear(); + + unsigned int size = 6 * (unsigned int)lines.size(); + if (size == 0) + return false; + + m_vertices = std::vector<float>(size, 0.0f); + + unsigned int coord = 0; + for (const Line& l : lines) + { + m_vertices[coord++] = unscale<float>(l.a(0)); + m_vertices[coord++] = unscale<float>(l.a(1)); + m_vertices[coord++] = z; + m_vertices[coord++] = unscale<float>(l.b(0)); + m_vertices[coord++] = unscale<float>(l.b(1)); + m_vertices[coord++] = z; + } + + return true; +} + +const float* GeometryBuffer::get_vertices() const +{ + return m_vertices.data(); +} + +const float* GeometryBuffer::get_tex_coords() const +{ + return m_tex_coords.data(); +} + +unsigned int GeometryBuffer::get_vertices_count() const +{ + return (unsigned int)m_vertices.size() / 3; +} + +Size::Size() + : m_width(0) + , m_height(0) +{ +} + +Size::Size(int width, int height) + : m_width(width) + , m_height(height) +{ +} + +int Size::get_width() const +{ + return m_width; +} + +void Size::set_width(int width) +{ + m_width = width; +} + +int Size::get_height() const +{ + return m_height; +} + +void Size::set_height(int height) +{ + m_height = height; +} + +Rect::Rect() + : m_left(0.0f) + , m_top(0.0f) + , m_right(0.0f) + , m_bottom(0.0f) +{ +} + +Rect::Rect(float left, float top, float right, float bottom) + : m_left(left) + , m_top(top) + , m_right(right) + , m_bottom(bottom) +{ +} + +float Rect::get_left() const +{ + return m_left; +} + +void Rect::set_left(float left) +{ + m_left = left; +} + +float Rect::get_top() const +{ + return m_top; +} + +void Rect::set_top(float top) +{ + m_top = top; +} + +float Rect::get_right() const +{ + return m_right; +} + +void Rect::set_right(float right) +{ + m_right = right; +} + +float Rect::get_bottom() const +{ + return m_bottom; +} + +void Rect::set_bottom(float bottom) +{ + m_bottom = bottom; +} + +GLCanvas3D::Camera::Camera() + : type(Ortho) + , zoom(1.0f) + , phi(45.0f) +// , distance(0.0f) + , target(0.0, 0.0, 0.0) + , m_theta(45.0f) +{ +} + +std::string GLCanvas3D::Camera::get_type_as_string() const +{ + switch (type) + { + default: + case Unknown: + return "unknown"; +// case Perspective: +// return "perspective"; + case Ortho: + return "ortho"; + }; +} + +float GLCanvas3D::Camera::get_theta() const +{ + return m_theta; +} + +void GLCanvas3D::Camera::set_theta(float theta) +{ + m_theta = clamp(0.0f, GIMBALL_LOCK_THETA_MAX, theta); +} + +GLCanvas3D::Bed::Bed() + : m_type(Custom) +{ +} + +bool GLCanvas3D::Bed::is_prusa() const +{ + return (m_type == MK2) || (m_type == MK3); +} + +bool GLCanvas3D::Bed::is_custom() const +{ + return m_type == Custom; +} + +const Pointfs& GLCanvas3D::Bed::get_shape() const +{ + return m_shape; +} + +bool GLCanvas3D::Bed::set_shape(const Pointfs& shape) +{ + EType new_type = _detect_type(); + if (m_shape == shape && m_type == new_type) + // No change, no need to update the UI. + return false; + m_shape = shape; + m_type = new_type; + + _calc_bounding_box(); + + ExPolygon poly; + for (const Vec2d& p : m_shape) + { + poly.contour.append(Point(scale_(p(0)), scale_(p(1)))); + } + + _calc_triangles(poly); + + const BoundingBox& bed_bbox = poly.contour.bounding_box(); + _calc_gridlines(poly, bed_bbox); + + m_polygon = offset_ex(poly.contour, (float)bed_bbox.radius() * 1.7f, jtRound, scale_(0.5))[0].contour; + // Let the calee to update the UI. + return true; +} + +const BoundingBoxf3& GLCanvas3D::Bed::get_bounding_box() const +{ + return m_bounding_box; +} + +bool GLCanvas3D::Bed::contains(const Point& point) const +{ + return m_polygon.contains(point); +} + +Point GLCanvas3D::Bed::point_projection(const Point& point) const +{ + return m_polygon.point_projection(point); +} + +void GLCanvas3D::Bed::render(float theta) const +{ + switch (m_type) + { + case MK2: + { + _render_mk2(theta); + break; + } + case MK3: + { + _render_mk3(theta); + break; + } + default: + case Custom: + { + _render_custom(); + break; + } + } +} + +void GLCanvas3D::Bed::_calc_bounding_box() +{ + m_bounding_box = BoundingBoxf3(); + for (const Vec2d& p : m_shape) + { + m_bounding_box.merge(Vec3d(p(0), p(1), 0.0)); + } +} + +void GLCanvas3D::Bed::_calc_triangles(const ExPolygon& poly) +{ + Polygons triangles; + poly.triangulate(&triangles); + + if (!m_triangles.set_from_triangles(triangles, GROUND_Z, m_type != Custom)) + printf("Unable to create bed triangles\n"); +} + +void GLCanvas3D::Bed::_calc_gridlines(const ExPolygon& poly, const BoundingBox& bed_bbox) +{ + Polylines axes_lines; + for (coord_t x = bed_bbox.min(0); x <= bed_bbox.max(0); x += scale_(10.0)) + { + Polyline line; + line.append(Point(x, bed_bbox.min(1))); + line.append(Point(x, bed_bbox.max(1))); + axes_lines.push_back(line); + } + for (coord_t y = bed_bbox.min(1); y <= bed_bbox.max(1); y += scale_(10.0)) + { + Polyline line; + line.append(Point(bed_bbox.min(0), y)); + line.append(Point(bed_bbox.max(0), y)); + axes_lines.push_back(line); + } + + // clip with a slightly grown expolygon because our lines lay on the contours and may get erroneously clipped + Lines gridlines = to_lines(intersection_pl(axes_lines, offset(poly, SCALED_EPSILON))); + + // append bed contours + Lines contour_lines = to_lines(poly); + std::copy(contour_lines.begin(), contour_lines.end(), std::back_inserter(gridlines)); + + if (!m_gridlines.set_from_lines(gridlines, GROUND_Z)) + printf("Unable to create bed grid lines\n"); +} + +GLCanvas3D::Bed::EType GLCanvas3D::Bed::_detect_type() const +{ + EType type = Custom; + + const PresetBundle* bundle = get_preset_bundle(); + if (bundle != nullptr) + { + const Preset* curr = &bundle->printers.get_selected_preset(); + while (curr != nullptr) + { + if (curr->config.has("bed_shape") && _are_equal(m_shape, dynamic_cast<const ConfigOptionPoints*>(curr->config.option("bed_shape"))->values)) + { + if ((curr->vendor != nullptr) && (curr->vendor->name == "Prusa Research")) + { + if (boost::contains(curr->name, "MK2")) + { + type = MK2; + break; + } + else if (boost::contains(curr->name, "MK3")) + { + type = MK3; + break; + } + } + } + + curr = bundle->printers.get_preset_parent(*curr); + } + } + + return type; +} + +void GLCanvas3D::Bed::_render_mk2(float theta) const +{ + std::string filename = resources_dir() + "/icons/bed/mk2_top.png"; + if ((m_top_texture.get_id() == 0) || (m_top_texture.get_source() != filename)) + { + if (!m_top_texture.load_from_file(filename, true)) + { + _render_custom(); + return; + } + } + + filename = resources_dir() + "/icons/bed/mk2_bottom.png"; + if ((m_bottom_texture.get_id() == 0) || (m_bottom_texture.get_source() != filename)) + { + if (!m_bottom_texture.load_from_file(filename, true)) + { + _render_custom(); + return; + } + } + + _render_prusa(theta); +} + +void GLCanvas3D::Bed::_render_mk3(float theta) const +{ + std::string filename = resources_dir() + "/icons/bed/mk3_top.png"; + if ((m_top_texture.get_id() == 0) || (m_top_texture.get_source() != filename)) + { + if (!m_top_texture.load_from_file(filename, true)) + { + _render_custom(); + return; + } + } + + filename = resources_dir() + "/icons/bed/mk3_bottom.png"; + if ((m_bottom_texture.get_id() == 0) || (m_bottom_texture.get_source() != filename)) + { + if (!m_bottom_texture.load_from_file(filename, true)) + { + _render_custom(); + return; + } + } + + _render_prusa(theta); +} + +void GLCanvas3D::Bed::_render_prusa(float theta) const +{ + unsigned int triangles_vcount = m_triangles.get_vertices_count(); + if (triangles_vcount > 0) + { + ::glEnable(GL_DEPTH_TEST); + ::glDepthMask(GL_FALSE); + + ::glEnable(GL_BLEND); + ::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + ::glEnable(GL_TEXTURE_2D); + ::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); + + ::glEnableClientState(GL_VERTEX_ARRAY); + ::glEnableClientState(GL_TEXTURE_COORD_ARRAY); + + if (theta > 90.0f) + ::glFrontFace(GL_CW); + + ::glBindTexture(GL_TEXTURE_2D, (theta <= 90.0f) ? (GLuint)m_top_texture.get_id() : (GLuint)m_bottom_texture.get_id()); + ::glVertexPointer(3, GL_FLOAT, 0, (GLvoid*)m_triangles.get_vertices()); + ::glTexCoordPointer(2, GL_FLOAT, 0, (GLvoid*)m_triangles.get_tex_coords()); + ::glDrawArrays(GL_TRIANGLES, 0, (GLsizei)triangles_vcount); + + if (theta > 90.0f) + ::glFrontFace(GL_CCW); + + ::glBindTexture(GL_TEXTURE_2D, 0); + ::glDisableClientState(GL_TEXTURE_COORD_ARRAY); + ::glDisableClientState(GL_VERTEX_ARRAY); + + ::glDisable(GL_TEXTURE_2D); + + ::glDisable(GL_BLEND); + ::glDepthMask(GL_TRUE); + } +} + +void GLCanvas3D::Bed::_render_custom() const +{ + m_top_texture.reset(); + m_bottom_texture.reset(); + + unsigned int triangles_vcount = m_triangles.get_vertices_count(); + if (triangles_vcount > 0) + { + ::glEnable(GL_LIGHTING); + ::glDisable(GL_DEPTH_TEST); + + ::glEnable(GL_BLEND); + ::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + ::glEnableClientState(GL_VERTEX_ARRAY); + + ::glColor4f(0.8f, 0.6f, 0.5f, 0.4f); + ::glNormal3d(0.0f, 0.0f, 1.0f); + ::glVertexPointer(3, GL_FLOAT, 0, (GLvoid*)m_triangles.get_vertices()); + ::glDrawArrays(GL_TRIANGLES, 0, (GLsizei)triangles_vcount); + + // draw grid + unsigned int gridlines_vcount = m_gridlines.get_vertices_count(); + + // we need depth test for grid, otherwise it would disappear when looking the object from below + ::glEnable(GL_DEPTH_TEST); + ::glLineWidth(3.0f); + ::glColor4f(0.2f, 0.2f, 0.2f, 0.4f); + ::glVertexPointer(3, GL_FLOAT, 0, (GLvoid*)m_gridlines.get_vertices()); + ::glDrawArrays(GL_LINES, 0, (GLsizei)gridlines_vcount); + + ::glDisableClientState(GL_VERTEX_ARRAY); + + ::glDisable(GL_BLEND); + ::glDisable(GL_LIGHTING); + } +} + +bool GLCanvas3D::Bed::_are_equal(const Pointfs& bed_1, const Pointfs& bed_2) +{ + if (bed_1.size() != bed_2.size()) + return false; + + for (unsigned int i = 0; i < (unsigned int)bed_1.size(); ++i) + { + if (bed_1[i] != bed_2[i]) + return false; + } + + return true; +} + +GLCanvas3D::Axes::Axes() + : origin(0, 0, 0), length(0.0f) +{ +} + +void GLCanvas3D::Axes::render(bool depth_test) const +{ + if (depth_test) + ::glEnable(GL_DEPTH_TEST); + else + ::glDisable(GL_DEPTH_TEST); + + ::glLineWidth(2.0f); + ::glBegin(GL_LINES); + // draw line for x axis + ::glColor3f(1.0f, 0.0f, 0.0f); + ::glVertex3f((GLfloat)origin(0), (GLfloat)origin(1), (GLfloat)origin(2)); + ::glVertex3f((GLfloat)origin(0) + length, (GLfloat)origin(1), (GLfloat)origin(2)); + // draw line for y axis + ::glColor3f(0.0f, 1.0f, 0.0f); + ::glVertex3f((GLfloat)origin(0), (GLfloat)origin(1), (GLfloat)origin(2)); + ::glVertex3f((GLfloat)origin(0), (GLfloat)origin(1) + length, (GLfloat)origin(2)); + ::glEnd(); + // draw line for Z axis + // (re-enable depth test so that axis is correctly shown when objects are behind it) + if (!depth_test) + ::glEnable(GL_DEPTH_TEST); + + ::glBegin(GL_LINES); + ::glColor3f(0.0f, 0.0f, 1.0f); + ::glVertex3f((GLfloat)origin(0), (GLfloat)origin(1), (GLfloat)origin(2)); + ::glVertex3f((GLfloat)origin(0), (GLfloat)origin(1), (GLfloat)origin(2) + length); + ::glEnd(); +} + +GLCanvas3D::CuttingPlane::CuttingPlane() + : m_z(-1.0f) +{ +} + +bool GLCanvas3D::CuttingPlane::set(float z, const ExPolygons& polygons) +{ + m_z = z; + + // grow slices in order to display them better + ExPolygons expolygons = offset_ex(polygons, scale_(0.1)); + Lines lines = to_lines(expolygons); + return m_lines.set_from_lines(lines, m_z); +} + +void GLCanvas3D::CuttingPlane::render(const BoundingBoxf3& bb) const +{ + _render_plane(bb); + _render_contour(); +} + +void GLCanvas3D::CuttingPlane::_render_plane(const BoundingBoxf3& bb) const +{ + if (m_z >= 0.0f) + { + ::glDisable(GL_CULL_FACE); + ::glEnable(GL_BLEND); + ::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + float margin = 20.0f; + float min_x = bb.min(0) - margin; + float max_x = bb.max(0) + margin; + float min_y = bb.min(1) - margin; + float max_y = bb.max(1) + margin; + + ::glBegin(GL_QUADS); + ::glColor4f(0.8f, 0.8f, 0.8f, 0.5f); + ::glVertex3f(min_x, min_y, m_z); + ::glVertex3f(max_x, min_y, m_z); + ::glVertex3f(max_x, max_y, m_z); + ::glVertex3f(min_x, max_y, m_z); + ::glEnd(); + + ::glEnable(GL_CULL_FACE); + ::glDisable(GL_BLEND); + } +} + +void GLCanvas3D::CuttingPlane::_render_contour() const +{ + ::glEnableClientState(GL_VERTEX_ARRAY); + + if (m_z >= 0.0f) + { + unsigned int lines_vcount = m_lines.get_vertices_count(); + + ::glLineWidth(2.0f); + ::glColor3f(0.0f, 0.0f, 0.0f); + ::glVertexPointer(3, GL_FLOAT, 0, (GLvoid*)m_lines.get_vertices()); + ::glDrawArrays(GL_LINES, 0, (GLsizei)lines_vcount); + } + + ::glDisableClientState(GL_VERTEX_ARRAY); +} + +GLCanvas3D::Shader::Shader() + : m_shader(nullptr) +{ +} + +GLCanvas3D::Shader::~Shader() +{ + _reset(); +} + +bool GLCanvas3D::Shader::init(const std::string& vertex_shader_filename, const std::string& fragment_shader_filename) +{ + if (is_initialized()) + return true; + + m_shader = new GLShader(); + if (m_shader != nullptr) + { + if (!m_shader->load_from_file(fragment_shader_filename.c_str(), vertex_shader_filename.c_str())) + { + std::cout << "Compilaton of shader failed:" << std::endl; + std::cout << m_shader->last_error << std::endl; + _reset(); + return false; + } + } + + return true; +} + +bool GLCanvas3D::Shader::is_initialized() const +{ + return (m_shader != nullptr); +} + +bool GLCanvas3D::Shader::start_using() const +{ + if (is_initialized()) + { + m_shader->enable(); + return true; + } + else + return false; +} + +void GLCanvas3D::Shader::stop_using() const +{ + if (m_shader != nullptr) + m_shader->disable(); +} + +void GLCanvas3D::Shader::set_uniform(const std::string& name, float value) const +{ + if (m_shader != nullptr) + m_shader->set_uniform(name.c_str(), value); +} + +void GLCanvas3D::Shader::set_uniform(const std::string& name, const float* matrix) const +{ + if (m_shader != nullptr) + m_shader->set_uniform(name.c_str(), matrix); +} + +const GLShader* GLCanvas3D::Shader::get_shader() const +{ + return m_shader; +} + +void GLCanvas3D::Shader::_reset() +{ + if (m_shader != nullptr) + { + m_shader->release(); + delete m_shader; + m_shader = nullptr; + } +} + +GLCanvas3D::LayersEditing::LayersEditing() + : m_use_legacy_opengl(false) + , m_enabled(false) + , m_z_texture_id(0) + , state(Unknown) + , band_width(2.0f) + , strength(0.005f) + , last_object_id(-1) + , last_z(0.0f) + , last_action(0) +{ +} + +GLCanvas3D::LayersEditing::~LayersEditing() +{ + if (m_z_texture_id != 0) + { + ::glDeleteTextures(1, &m_z_texture_id); + m_z_texture_id = 0; + } +} + +bool GLCanvas3D::LayersEditing::init(const std::string& vertex_shader_filename, const std::string& fragment_shader_filename) +{ + if (!m_shader.init(vertex_shader_filename, fragment_shader_filename)) + return false; + + ::glGenTextures(1, (GLuint*)&m_z_texture_id); + ::glBindTexture(GL_TEXTURE_2D, m_z_texture_id); + ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); + ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP); + ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST); + ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1); + ::glBindTexture(GL_TEXTURE_2D, 0); + + return true; +} + +bool GLCanvas3D::LayersEditing::is_allowed() const +{ + return !m_use_legacy_opengl && m_shader.is_initialized(); +} + +void GLCanvas3D::LayersEditing::set_use_legacy_opengl(bool use_legacy_opengl) +{ + m_use_legacy_opengl = use_legacy_opengl; +} + +bool GLCanvas3D::LayersEditing::is_enabled() const +{ + return m_enabled; +} + +void GLCanvas3D::LayersEditing::set_enabled(bool enabled) +{ + m_enabled = is_allowed() && enabled; +} + +unsigned int GLCanvas3D::LayersEditing::get_z_texture_id() const +{ + return m_z_texture_id; +} + +void GLCanvas3D::LayersEditing::render(const GLCanvas3D& canvas, const PrintObject& print_object, const GLVolume& volume) const +{ + if (!m_enabled) + return; + + const Rect& bar_rect = get_bar_rect_viewport(canvas); + const Rect& reset_rect = get_reset_rect_viewport(canvas); + + ::glDisable(GL_DEPTH_TEST); + + // The viewport and camera are set to complete view and glOrtho(-$x / 2, $x / 2, -$y / 2, $y / 2, -$depth, $depth), + // where x, y is the window size divided by $self->_zoom. + ::glPushMatrix(); + ::glLoadIdentity(); + + _render_tooltip_texture(canvas, bar_rect, reset_rect); + _render_reset_texture(reset_rect); + _render_active_object_annotations(canvas, volume, print_object, bar_rect); + _render_profile(print_object, bar_rect); + + // Revert the matrices. + ::glPopMatrix(); + + ::glEnable(GL_DEPTH_TEST); +} + +int GLCanvas3D::LayersEditing::get_shader_program_id() const +{ + const GLShader* shader = m_shader.get_shader(); + return (shader != nullptr) ? shader->shader_program_id : -1; +} + +float GLCanvas3D::LayersEditing::get_cursor_z_relative(const GLCanvas3D& canvas) +{ + const Point& mouse_pos = canvas.get_local_mouse_position(); + const Rect& rect = get_bar_rect_screen(canvas); + float x = (float)mouse_pos(0); + float y = (float)mouse_pos(1); + float t = rect.get_top(); + float b = rect.get_bottom(); + + return ((rect.get_left() <= x) && (x <= rect.get_right()) && (t <= y) && (y <= b)) ? + // Inside the bar. + (b - y - 1.0f) / (b - t - 1.0f) : + // Outside the bar. + -1000.0f; +} + +bool GLCanvas3D::LayersEditing::bar_rect_contains(const GLCanvas3D& canvas, float x, float y) +{ + const Rect& rect = get_bar_rect_screen(canvas); + return (rect.get_left() <= x) && (x <= rect.get_right()) && (rect.get_top() <= y) && (y <= rect.get_bottom()); +} + +bool GLCanvas3D::LayersEditing::reset_rect_contains(const GLCanvas3D& canvas, float x, float y) +{ + const Rect& rect = get_reset_rect_screen(canvas); + return (rect.get_left() <= x) && (x <= rect.get_right()) && (rect.get_top() <= y) && (y <= rect.get_bottom()); +} + +Rect GLCanvas3D::LayersEditing::get_bar_rect_screen(const GLCanvas3D& canvas) +{ + const Size& cnv_size = canvas.get_canvas_size(); + float w = (float)cnv_size.get_width(); + float h = (float)cnv_size.get_height(); + + return Rect(w - VARIABLE_LAYER_THICKNESS_BAR_WIDTH, 0.0f, w, h - VARIABLE_LAYER_THICKNESS_RESET_BUTTON_HEIGHT); +} + +Rect GLCanvas3D::LayersEditing::get_reset_rect_screen(const GLCanvas3D& canvas) +{ + const Size& cnv_size = canvas.get_canvas_size(); + float w = (float)cnv_size.get_width(); + float h = (float)cnv_size.get_height(); + + return Rect(w - VARIABLE_LAYER_THICKNESS_BAR_WIDTH, h - VARIABLE_LAYER_THICKNESS_RESET_BUTTON_HEIGHT, w, h); +} + +Rect GLCanvas3D::LayersEditing::get_bar_rect_viewport(const GLCanvas3D& canvas) +{ + const Size& cnv_size = canvas.get_canvas_size(); + float half_w = 0.5f * (float)cnv_size.get_width(); + float half_h = 0.5f * (float)cnv_size.get_height(); + + float zoom = canvas.get_camera_zoom(); + float inv_zoom = (zoom != 0.0f) ? 1.0f / zoom : 0.0f; + + return Rect((half_w - VARIABLE_LAYER_THICKNESS_BAR_WIDTH) * inv_zoom, half_h * inv_zoom, half_w * inv_zoom, (-half_h + VARIABLE_LAYER_THICKNESS_RESET_BUTTON_HEIGHT) * inv_zoom); +} + +Rect GLCanvas3D::LayersEditing::get_reset_rect_viewport(const GLCanvas3D& canvas) +{ + const Size& cnv_size = canvas.get_canvas_size(); + float half_w = 0.5f * (float)cnv_size.get_width(); + float half_h = 0.5f * (float)cnv_size.get_height(); + + float zoom = canvas.get_camera_zoom(); + float inv_zoom = (zoom != 0.0f) ? 1.0f / zoom : 0.0f; + + return Rect((half_w - VARIABLE_LAYER_THICKNESS_BAR_WIDTH) * inv_zoom, (-half_h + VARIABLE_LAYER_THICKNESS_RESET_BUTTON_HEIGHT) * inv_zoom, half_w * inv_zoom, -half_h * inv_zoom); +} + + +bool GLCanvas3D::LayersEditing::_is_initialized() const +{ + return m_shader.is_initialized(); +} + +void GLCanvas3D::LayersEditing::_render_tooltip_texture(const GLCanvas3D& canvas, const Rect& bar_rect, const Rect& reset_rect) const +{ + if (m_tooltip_texture.get_id() == 0) + { + std::string filename = resources_dir() + "/icons/variable_layer_height_tooltip.png"; + if (!m_tooltip_texture.load_from_file(filename, false)) + return; + } + + float zoom = canvas.get_camera_zoom(); + float inv_zoom = (zoom != 0.0f) ? 1.0f / zoom : 0.0f; + float gap = 10.0f * inv_zoom; + + float bar_left = bar_rect.get_left(); + float reset_bottom = reset_rect.get_bottom(); + + float l = bar_left - (float)m_tooltip_texture.get_width() * inv_zoom - gap; + float r = bar_left - gap; + float t = reset_bottom + (float)m_tooltip_texture.get_height() * inv_zoom + gap; + float b = reset_bottom + gap; + + GLTexture::render_texture(m_tooltip_texture.get_id(), l, r, b, t); +} + +void GLCanvas3D::LayersEditing::_render_reset_texture(const Rect& reset_rect) const +{ + if (m_reset_texture.get_id() == 0) + { + std::string filename = resources_dir() + "/icons/variable_layer_height_reset.png"; + if (!m_reset_texture.load_from_file(filename, false)) + return; + } + + GLTexture::render_texture(m_reset_texture.get_id(), reset_rect.get_left(), reset_rect.get_right(), reset_rect.get_bottom(), reset_rect.get_top()); +} + +void GLCanvas3D::LayersEditing::_render_active_object_annotations(const GLCanvas3D& canvas, const GLVolume& volume, const PrintObject& print_object, const Rect& bar_rect) const +{ + float max_z = print_object.model_object()->bounding_box().max(2); + + m_shader.start_using(); + + m_shader.set_uniform("z_to_texture_row", (float)volume.layer_height_texture_z_to_row_id()); + m_shader.set_uniform("z_texture_row_to_normalized", 1.0f / (float)volume.layer_height_texture_height()); + m_shader.set_uniform("z_cursor", max_z * get_cursor_z_relative(canvas)); + m_shader.set_uniform("z_cursor_band_width", band_width); + // The shader requires the original model coordinates when rendering to the texture, so we pass it the unit matrix + m_shader.set_uniform("volume_world_matrix", UNIT_MATRIX); + + GLsizei w = (GLsizei)volume.layer_height_texture_width(); + GLsizei h = (GLsizei)volume.layer_height_texture_height(); + GLsizei half_w = w / 2; + GLsizei half_h = h / 2; + + ::glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + ::glBindTexture(GL_TEXTURE_2D, m_z_texture_id); + ::glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0); + ::glTexImage2D(GL_TEXTURE_2D, 1, GL_RGBA, half_w, half_h, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0); + ::glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, volume.layer_height_texture_data_ptr_level0()); + ::glTexSubImage2D(GL_TEXTURE_2D, 1, 0, 0, half_w, half_h, GL_RGBA, GL_UNSIGNED_BYTE, volume.layer_height_texture_data_ptr_level1()); + + // Render the color bar + float l = bar_rect.get_left(); + float r = bar_rect.get_right(); + float t = bar_rect.get_top(); + float b = bar_rect.get_bottom(); + + ::glBegin(GL_QUADS); + ::glVertex3f(l, b, 0.0f); + ::glVertex3f(r, b, 0.0f); + ::glVertex3f(r, t, max_z); + ::glVertex3f(l, t, max_z); + ::glEnd(); + ::glBindTexture(GL_TEXTURE_2D, 0); + + m_shader.stop_using(); +} + +void GLCanvas3D::LayersEditing::_render_profile(const PrintObject& print_object, const Rect& bar_rect) const +{ + // FIXME show some kind of legend. + + // Get a maximum layer height value. + // FIXME This is a duplicate code of Slicing.cpp. + double layer_height_max = DBL_MAX; + const PrintConfig& print_config = print_object.print()->config(); + const std::vector<double>& nozzle_diameters = dynamic_cast<const ConfigOptionFloats*>(print_config.option("nozzle_diameter"))->values; + const std::vector<double>& layer_heights_min = dynamic_cast<const ConfigOptionFloats*>(print_config.option("min_layer_height"))->values; + const std::vector<double>& layer_heights_max = dynamic_cast<const ConfigOptionFloats*>(print_config.option("max_layer_height"))->values; + for (unsigned int i = 0; i < (unsigned int)nozzle_diameters.size(); ++i) + { + double lh_min = (layer_heights_min[i] == 0.0) ? 0.07 : std::max(0.01, layer_heights_min[i]); + double lh_max = (layer_heights_max[i] == 0.0) ? (0.75 * nozzle_diameters[i]) : layer_heights_max[i]; + layer_height_max = std::min(layer_height_max, std::max(lh_min, lh_max)); + } + + // Make the vertical bar a bit wider so the layer height curve does not touch the edge of the bar region. + layer_height_max *= 1.12; + + double max_z = unscale<double>(print_object.size(2)); + double layer_height = dynamic_cast<const ConfigOptionFloat*>(print_object.config().option("layer_height"))->value; + float l = bar_rect.get_left(); + float w = bar_rect.get_right() - l; + float b = bar_rect.get_bottom(); + float t = bar_rect.get_top(); + float h = t - b; + float scale_x = w / (float)layer_height_max; + float scale_y = h / (float)max_z; + float x = l + (float)layer_height * scale_x; + + // Baseline + ::glColor3f(0.0f, 0.0f, 0.0f); + ::glBegin(GL_LINE_STRIP); + ::glVertex2f(x, b); + ::glVertex2f(x, t); + ::glEnd(); + + // Curve + const ModelObject* model_object = print_object.model_object(); + if (model_object->layer_height_profile_valid) + { + const std::vector<double>& profile = model_object->layer_height_profile; + + ::glColor3f(0.0f, 0.0f, 1.0f); + ::glBegin(GL_LINE_STRIP); + for (unsigned int i = 0; i < profile.size(); i += 2) + { + ::glVertex2f(l + (float)profile[i + 1] * scale_x, b + (float)profile[i] * scale_y); + } + ::glEnd(); + } +} + +const Point GLCanvas3D::Mouse::Drag::Invalid_2D_Point(INT_MAX, INT_MAX); +const Vec3d GLCanvas3D::Mouse::Drag::Invalid_3D_Point(DBL_MAX, DBL_MAX, DBL_MAX); + +GLCanvas3D::Mouse::Drag::Drag() + : start_position_2D(Invalid_2D_Point) + , start_position_3D(Invalid_3D_Point) + , volume_center_offset(0, 0, 0) + , move_with_shift(false) + , move_volume_idx(-1) + , gizmo_volume_idx(-1) +{ +} + +GLCanvas3D::Mouse::Mouse() + : dragging(false) + , position(DBL_MAX, DBL_MAX) +{ +} + +void GLCanvas3D::Mouse::set_start_position_2D_as_invalid() +{ + drag.start_position_2D = Drag::Invalid_2D_Point; +} + +void GLCanvas3D::Mouse::set_start_position_3D_as_invalid() +{ + drag.start_position_3D = Drag::Invalid_3D_Point; +} + +bool GLCanvas3D::Mouse::is_start_position_2D_defined() const +{ + return (drag.start_position_2D != Drag::Invalid_2D_Point); +} + +bool GLCanvas3D::Mouse::is_start_position_3D_defined() const +{ + return (drag.start_position_3D != Drag::Invalid_3D_Point); +} + +const float GLCanvas3D::Gizmos::OverlayTexturesScale = 0.75f; +const float GLCanvas3D::Gizmos::OverlayOffsetX = 10.0f * OverlayTexturesScale; +const float GLCanvas3D::Gizmos::OverlayGapY = 5.0f * OverlayTexturesScale; + +GLCanvas3D::Gizmos::Gizmos() + : m_enabled(false) + , m_current(Undefined) +{ +} + +GLCanvas3D::Gizmos::~Gizmos() +{ + _reset(); +} + +bool GLCanvas3D::Gizmos::init(GLCanvas3D& parent) +{ + GLGizmoBase* gizmo = new GLGizmoMove3D(parent); + if (gizmo == nullptr) + return false; + + if (!gizmo->init()) + return false; + +#if !ENABLE_MODELINSTANCE_3D_OFFSET + // temporary disable z grabber + gizmo->disable_grabber(2); +#endif // !ENABLE_MODELINSTANCE_3D_OFFSET + + m_gizmos.insert(GizmosMap::value_type(Move, gizmo)); + + gizmo = new GLGizmoScale3D(parent); + if (gizmo == nullptr) + return false; + + if (!gizmo->init()) + return false; + + // temporary disable x grabbers + gizmo->disable_grabber(0); + gizmo->disable_grabber(1); + // temporary disable y grabbers + gizmo->disable_grabber(2); + gizmo->disable_grabber(3); + // temporary disable z grabbers + gizmo->disable_grabber(4); + gizmo->disable_grabber(5); + + m_gizmos.insert(GizmosMap::value_type(Scale, gizmo)); + + gizmo = new GLGizmoRotate3D(parent); + if (gizmo == nullptr) + { + _reset(); + return false; + } + + if (!gizmo->init()) + { + _reset(); + return false; + } + + // temporary disable x and y grabbers + gizmo->disable_grabber(0); + gizmo->disable_grabber(1); + + m_gizmos.insert(GizmosMap::value_type(Rotate, gizmo)); + + gizmo = new GLGizmoFlatten(parent); + if (gizmo == nullptr) + return false; + + if (!gizmo->init()) { + _reset(); + return false; + } + + m_gizmos.insert(GizmosMap::value_type(Flatten, gizmo)); + + + return true; +} + +bool GLCanvas3D::Gizmos::is_enabled() const +{ + return m_enabled; +} + +void GLCanvas3D::Gizmos::set_enabled(bool enable) +{ + m_enabled = enable; +} + +void GLCanvas3D::Gizmos::update_hover_state(const GLCanvas3D& canvas, const Vec2d& mouse_pos) +{ + if (!m_enabled) + return; + + float cnv_h = (float)canvas.get_canvas_size().get_height(); + float height = _get_total_overlay_height(); + float top_y = 0.5f * (cnv_h - height); + for (GizmosMap::const_iterator it = m_gizmos.begin(); it != m_gizmos.end(); ++it) + { + if (it->second == nullptr) + continue; + + float tex_size = (float)it->second->get_textures_size() * OverlayTexturesScale; + float half_tex_size = 0.5f * tex_size; + + // we currently use circular icons for gizmo, so we check the radius + if (it->second->get_state() != GLGizmoBase::On) + { + bool inside = (mouse_pos - Vec2d(OverlayOffsetX + half_tex_size, top_y + half_tex_size)).norm() < half_tex_size; + it->second->set_state(inside ? GLGizmoBase::Hover : GLGizmoBase::Off); + } + top_y += (tex_size + OverlayGapY); + } +} + +void GLCanvas3D::Gizmos::update_on_off_state(const GLCanvas3D& canvas, const Vec2d& mouse_pos) +{ + if (!m_enabled) + return; + + float cnv_h = (float)canvas.get_canvas_size().get_height(); + float height = _get_total_overlay_height(); + float top_y = 0.5f * (cnv_h - height); + for (GizmosMap::const_iterator it = m_gizmos.begin(); it != m_gizmos.end(); ++it) + { + if (it->second == nullptr) + continue; + + float tex_size = (float)it->second->get_textures_size() * OverlayTexturesScale; + float half_tex_size = 0.5f * tex_size; + + // we currently use circular icons for gizmo, so we check the radius + if ((mouse_pos - Vec2d(OverlayOffsetX + half_tex_size, top_y + half_tex_size)).norm() < half_tex_size) + { + if ((it->second->get_state() == GLGizmoBase::On)) + { + it->second->set_state(GLGizmoBase::Off); + m_current = Undefined; + } + else + { + it->second->set_state(GLGizmoBase::On); + m_current = it->first; + } + } + else + it->second->set_state(GLGizmoBase::Off); + + top_y += (tex_size + OverlayGapY); + } +} + +void GLCanvas3D::Gizmos::reset_all_states() +{ + if (!m_enabled) + return; + + for (GizmosMap::const_iterator it = m_gizmos.begin(); it != m_gizmos.end(); ++it) + { + if (it->second != nullptr) + { + it->second->set_state(GLGizmoBase::Off); + it->second->set_hover_id(-1); + } + } + + m_current = Undefined; +} + +void GLCanvas3D::Gizmos::set_hover_id(int id) +{ + if (!m_enabled) + return; + + for (GizmosMap::const_iterator it = m_gizmos.begin(); it != m_gizmos.end(); ++it) + { + if ((it->second != nullptr) && (it->second->get_state() == GLGizmoBase::On)) + it->second->set_hover_id(id); + } +} + +bool GLCanvas3D::Gizmos::overlay_contains_mouse(const GLCanvas3D& canvas, const Vec2d& mouse_pos) const +{ + if (!m_enabled) + return false; + + float cnv_h = (float)canvas.get_canvas_size().get_height(); + float height = _get_total_overlay_height(); + float top_y = 0.5f * (cnv_h - height); + for (GizmosMap::const_iterator it = m_gizmos.begin(); it != m_gizmos.end(); ++it) + { + if (it->second == nullptr) + continue; + + float tex_size = (float)it->second->get_textures_size() * OverlayTexturesScale; + float half_tex_size = 0.5f * tex_size; + + // we currently use circular icons for gizmo, so we check the radius + if ((mouse_pos - Vec2d(OverlayOffsetX + half_tex_size, top_y + half_tex_size)).norm() < half_tex_size) + return true; + + top_y += (tex_size + OverlayGapY); + } + + return false; +} + +bool GLCanvas3D::Gizmos::grabber_contains_mouse() const +{ + if (!m_enabled) + return false; + + GLGizmoBase* curr = _get_current(); + return (curr != nullptr) ? (curr->get_hover_id() != -1) : false; +} + +void GLCanvas3D::Gizmos::update(const Linef3& mouse_ray) +{ + if (!m_enabled) + return; + + GLGizmoBase* curr = _get_current(); + if (curr != nullptr) + curr->update(mouse_ray); +} + +GLCanvas3D::Gizmos::EType GLCanvas3D::Gizmos::get_current_type() const +{ + return m_current; +} + +bool GLCanvas3D::Gizmos::is_running() const +{ + if (!m_enabled) + return false; + + GLGizmoBase* curr = _get_current(); + return (curr != nullptr) ? (curr->get_state() == GLGizmoBase::On) : false; +} + +bool GLCanvas3D::Gizmos::is_dragging() const +{ + GLGizmoBase* curr = _get_current(); + return (curr != nullptr) ? curr->is_dragging() : false; +} + +void GLCanvas3D::Gizmos::start_dragging(const BoundingBoxf3& box) +{ + GLGizmoBase* curr = _get_current(); + if (curr != nullptr) + curr->start_dragging(box); +} + +void GLCanvas3D::Gizmos::stop_dragging() +{ + GLGizmoBase* curr = _get_current(); + if (curr != nullptr) + curr->stop_dragging(); +} + +Vec3d GLCanvas3D::Gizmos::get_position() const +{ + if (!m_enabled) + return Vec3d::Zero(); + + GizmosMap::const_iterator it = m_gizmos.find(Move); + return (it != m_gizmos.end()) ? reinterpret_cast<GLGizmoMove3D*>(it->second)->get_position() : Vec3d::Zero(); +} + +void GLCanvas3D::Gizmos::set_position(const Vec3d& position) +{ + if (!m_enabled) + return; + + GizmosMap::const_iterator it = m_gizmos.find(Move); + if (it != m_gizmos.end()) + reinterpret_cast<GLGizmoMove3D*>(it->second)->set_position(position); +} + +float GLCanvas3D::Gizmos::get_scale() const +{ + if (!m_enabled) + return 1.0f; + + GizmosMap::const_iterator it = m_gizmos.find(Scale); + return (it != m_gizmos.end()) ? reinterpret_cast<GLGizmoScale3D*>(it->second)->get_scale_x() : 1.0f; +} + +void GLCanvas3D::Gizmos::set_scale(float scale) +{ + if (!m_enabled) + return; + + GizmosMap::const_iterator it = m_gizmos.find(Scale); + if (it != m_gizmos.end()) + reinterpret_cast<GLGizmoScale3D*>(it->second)->set_scale(scale); +} + +float GLCanvas3D::Gizmos::get_angle_z() const +{ + if (!m_enabled) + return 0.0f; + + GizmosMap::const_iterator it = m_gizmos.find(Rotate); + return (it != m_gizmos.end()) ? reinterpret_cast<GLGizmoRotate3D*>(it->second)->get_angle_z() : 0.0f; +} + +void GLCanvas3D::Gizmos::set_angle_z(float angle_z) +{ + if (!m_enabled) + return; + + GizmosMap::const_iterator it = m_gizmos.find(Rotate); + if (it != m_gizmos.end()) + reinterpret_cast<GLGizmoRotate3D*>(it->second)->set_angle_z(angle_z); +} + +Vec3d GLCanvas3D::Gizmos::get_flattening_normal() const +{ + if (!m_enabled) + return Vec3d::Zero(); + + GizmosMap::const_iterator it = m_gizmos.find(Flatten); + return (it != m_gizmos.end()) ? reinterpret_cast<GLGizmoFlatten*>(it->second)->get_flattening_normal() : Vec3d::Zero(); +} + +void GLCanvas3D::Gizmos::set_flattening_data(const ModelObject* model_object) +{ + if (!m_enabled) + return; + + GizmosMap::const_iterator it = m_gizmos.find(Flatten); + if (it != m_gizmos.end()) + reinterpret_cast<GLGizmoFlatten*>(it->second)->set_flattening_data(model_object); +} + +void GLCanvas3D::Gizmos::render_current_gizmo(const BoundingBoxf3& box) const +{ + if (!m_enabled) + return; + + ::glDisable(GL_DEPTH_TEST); + + if (box.radius() > 0.0) + _render_current_gizmo(box); +} + +void GLCanvas3D::Gizmos::render_current_gizmo_for_picking_pass(const BoundingBoxf3& box) const +{ + if (!m_enabled) + return; + + GLGizmoBase* curr = _get_current(); + if (curr != nullptr) + curr->render_for_picking(box); +} + +void GLCanvas3D::Gizmos::render_overlay(const GLCanvas3D& canvas) const +{ + if (!m_enabled) + return; + + ::glDisable(GL_DEPTH_TEST); + + ::glPushMatrix(); + ::glLoadIdentity(); + + _render_overlay(canvas); + + ::glPopMatrix(); +} + +void GLCanvas3D::Gizmos::_reset() +{ + for (GizmosMap::value_type& gizmo : m_gizmos) + { + delete gizmo.second; + gizmo.second = nullptr; + } + + m_gizmos.clear(); +} + +void GLCanvas3D::Gizmos::_render_overlay(const GLCanvas3D& canvas) const +{ + if (m_gizmos.empty()) + return; + + float cnv_w = (float)canvas.get_canvas_size().get_width(); + float zoom = canvas.get_camera_zoom(); + float inv_zoom = (zoom != 0.0f) ? 1.0f / zoom : 0.0f; + + float height = _get_total_overlay_height(); + float top_x = (OverlayOffsetX - 0.5f * cnv_w) * inv_zoom; + float top_y = 0.5f * height * inv_zoom; + float scaled_gap_y = OverlayGapY * inv_zoom; + for (GizmosMap::const_iterator it = m_gizmos.begin(); it != m_gizmos.end(); ++it) + { + float tex_size = (float)it->second->get_textures_size() * OverlayTexturesScale * inv_zoom; + GLTexture::render_texture(it->second->get_texture_id(), top_x, top_x + tex_size, top_y - tex_size, top_y); + top_y -= (tex_size + scaled_gap_y); + } +} + +void GLCanvas3D::Gizmos::_render_current_gizmo(const BoundingBoxf3& box) const +{ + GLGizmoBase* curr = _get_current(); + if (curr != nullptr) + curr->render(box); +} + +float GLCanvas3D::Gizmos::_get_total_overlay_height() const +{ + float height = 0.0f; + + for (GizmosMap::const_iterator it = m_gizmos.begin(); it != m_gizmos.end(); ++it) + { + height += (float)it->second->get_textures_size(); + if (std::distance(it, m_gizmos.end()) > 1) + height += OverlayGapY; + } + + return height; +} + +const unsigned char GLCanvas3D::WarningTexture::Background_Color[3] = { 9, 91, 134 }; +const unsigned char GLCanvas3D::WarningTexture::Opacity = 255; + +GLCanvas3D::WarningTexture::WarningTexture() + : GUI::GLTexture() + , m_original_width(0) + , m_original_height(0) +{ +} + +bool GLCanvas3D::WarningTexture::generate(const std::string& msg) +{ + reset(); + + if (msg.empty()) + return false; + + wxMemoryDC memDC; + // select default font + wxFont font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); + font.MakeLarger(); + font.MakeBold(); + memDC.SetFont(font); + + // calculates texture size + wxCoord w, h; + memDC.GetTextExtent(msg, &w, &h); + + int pow_of_two_size = next_highest_power_of_2(std::max<unsigned int>(w, h)); + + m_original_width = (int)w; + m_original_height = (int)h; + m_width = pow_of_two_size; + m_height = pow_of_two_size; + + // generates bitmap + wxBitmap bitmap(m_width, m_height); + +#if defined(__APPLE__) || defined(_MSC_VER) + bitmap.UseAlpha(); +#endif + + memDC.SelectObject(bitmap); + memDC.SetBackground(wxBrush(wxColour(Background_Color[0], Background_Color[1], Background_Color[2]))); + memDC.Clear(); + + memDC.SetTextForeground(*wxWHITE); + + // draw message + memDC.DrawText(msg, 0, 0); + + memDC.SelectObject(wxNullBitmap); + + // Convert the bitmap into a linear data ready to be loaded into the GPU. + wxImage image = bitmap.ConvertToImage(); + image.SetMaskColour(Background_Color[0], Background_Color[1], Background_Color[2]); + + // prepare buffer + std::vector<unsigned char> data(4 * m_width * m_height, 0); + for (int h = 0; h < m_height; ++h) + { + int hh = h * m_width; + unsigned char* px_ptr = data.data() + 4 * hh; + for (int w = 0; w < m_width; ++w) + { + *px_ptr++ = image.GetRed(w, h); + *px_ptr++ = image.GetGreen(w, h); + *px_ptr++ = image.GetBlue(w, h); + *px_ptr++ = image.IsTransparent(w, h) ? 0 : Opacity; + } + } + + // sends buffer to gpu + ::glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + ::glGenTextures(1, &m_id); + ::glBindTexture(GL_TEXTURE_2D, (GLuint)m_id); + ::glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, (GLsizei)m_width, (GLsizei)m_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, (const void*)data.data()); + ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1); + ::glBindTexture(GL_TEXTURE_2D, 0); + + return true; +} + +void GLCanvas3D::WarningTexture::render(const GLCanvas3D& canvas) const +{ + if ((m_id > 0) && (m_original_width > 0) && (m_original_height > 0) && (m_width > 0) && (m_height > 0)) + { + ::glDisable(GL_DEPTH_TEST); + ::glPushMatrix(); + ::glLoadIdentity(); + + const Size& cnv_size = canvas.get_canvas_size(); + float zoom = canvas.get_camera_zoom(); + float inv_zoom = (zoom != 0.0f) ? 1.0f / zoom : 0.0f; + float left = (-0.5f * (float)m_original_width) * inv_zoom; + float top = (-0.5f * (float)cnv_size.get_height() + (float)m_original_height + 2.0f) * inv_zoom; + float right = left + (float)m_original_width * inv_zoom; + float bottom = top - (float)m_original_height * inv_zoom; + + float uv_left = 0.0f; + float uv_top = 0.0f; + float uv_right = (float)m_original_width / (float)m_width; + float uv_bottom = (float)m_original_height / (float)m_height; + + GLTexture::Quad_UVs uvs; + uvs.left_top = { uv_left, uv_top }; + uvs.left_bottom = { uv_left, uv_bottom }; + uvs.right_bottom = { uv_right, uv_bottom }; + uvs.right_top = { uv_right, uv_top }; + + GLTexture::render_sub_texture(m_id, left, right, bottom, top, uvs); + + ::glPopMatrix(); + ::glEnable(GL_DEPTH_TEST); + } +} + +const unsigned char GLCanvas3D::LegendTexture::Squares_Border_Color[3] = { 64, 64, 64 }; +const unsigned char GLCanvas3D::LegendTexture::Background_Color[3] = { 9, 91, 134 }; +const unsigned char GLCanvas3D::LegendTexture::Opacity = 255; + +GLCanvas3D::LegendTexture::LegendTexture() + : GUI::GLTexture() + , m_original_width(0) + , m_original_height(0) +{ +} + +bool GLCanvas3D::LegendTexture::generate(const GCodePreviewData& preview_data, const std::vector<float>& tool_colors) +{ + reset(); + + // collects items to render + auto title = _(preview_data.get_legend_title()); + const GCodePreviewData::LegendItemsList& items = preview_data.get_legend_items(tool_colors); + + unsigned int items_count = (unsigned int)items.size(); + if (items_count == 0) + // nothing to render, return + return false; + + wxMemoryDC memDC; + // select default font + memDC.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); + + // calculates texture size + wxCoord w, h; + memDC.GetTextExtent(title, &w, &h); + int title_width = (int)w; + int title_height = (int)h; + + int max_text_width = 0; + int max_text_height = 0; + for (const GCodePreviewData::LegendItem& item : items) + { + memDC.GetTextExtent(GUI::from_u8(item.text), &w, &h); + max_text_width = std::max(max_text_width, (int)w); + max_text_height = std::max(max_text_height, (int)h); + } + + m_original_width = std::max(2 * Px_Border + title_width, 2 * (Px_Border + Px_Square_Contour) + Px_Square + Px_Text_Offset + max_text_width); + m_original_height = 2 * (Px_Border + Px_Square_Contour) + title_height + Px_Title_Offset + items_count * Px_Square; + if (items_count > 1) + m_original_height += (items_count - 1) * Px_Square_Contour; + + int pow_of_two_size = next_highest_power_of_2(std::max(m_original_width, m_original_height)); + + m_width = pow_of_two_size; + m_height = pow_of_two_size; + + // generates bitmap + wxBitmap bitmap(m_width, m_height); + +#if defined(__APPLE__) || defined(_MSC_VER) + bitmap.UseAlpha(); +#endif + + memDC.SelectObject(bitmap); + memDC.SetBackground(wxBrush(wxColour(Background_Color[0], Background_Color[1], Background_Color[2]))); + memDC.Clear(); + + memDC.SetTextForeground(*wxWHITE); + + // draw title + int title_x = Px_Border; + int title_y = Px_Border; + memDC.DrawText(title, title_x, title_y); + + // draw icons contours as background + int squares_contour_x = Px_Border; + int squares_contour_y = Px_Border + title_height + Px_Title_Offset; + int squares_contour_width = Px_Square + 2 * Px_Square_Contour; + int squares_contour_height = items_count * Px_Square + 2 * Px_Square_Contour; + if (items_count > 1) + squares_contour_height += (items_count - 1) * Px_Square_Contour; + + wxColour color(Squares_Border_Color[0], Squares_Border_Color[1], Squares_Border_Color[2]); + wxPen pen(color); + wxBrush brush(color); + memDC.SetPen(pen); + memDC.SetBrush(brush); + memDC.DrawRectangle(wxRect(squares_contour_x, squares_contour_y, squares_contour_width, squares_contour_height)); + + // draw items (colored icon + text) + int icon_x = squares_contour_x + Px_Square_Contour; + int icon_x_inner = icon_x + 1; + int icon_y = squares_contour_y + Px_Square_Contour; + int icon_y_step = Px_Square + Px_Square_Contour; + + int text_x = icon_x + Px_Square + Px_Text_Offset; + int text_y_offset = (Px_Square - max_text_height) / 2; + + int px_inner_square = Px_Square - 2; + + for (const GCodePreviewData::LegendItem& item : items) + { + // draw darker icon perimeter + const std::vector<unsigned char>& item_color_bytes = item.color.as_bytes(); + wxImage::HSVValue dark_hsv = wxImage::RGBtoHSV(wxImage::RGBValue(item_color_bytes[0], item_color_bytes[1], item_color_bytes[2])); + dark_hsv.value *= 0.75; + wxImage::RGBValue dark_rgb = wxImage::HSVtoRGB(dark_hsv); + color.Set(dark_rgb.red, dark_rgb.green, dark_rgb.blue, item_color_bytes[3]); + pen.SetColour(color); + brush.SetColour(color); + memDC.SetPen(pen); + memDC.SetBrush(brush); + memDC.DrawRectangle(wxRect(icon_x, icon_y, Px_Square, Px_Square)); + + // draw icon interior + color.Set(item_color_bytes[0], item_color_bytes[1], item_color_bytes[2], item_color_bytes[3]); + pen.SetColour(color); + brush.SetColour(color); + memDC.SetPen(pen); + memDC.SetBrush(brush); + memDC.DrawRectangle(wxRect(icon_x_inner, icon_y + 1, px_inner_square, px_inner_square)); + + // draw text + memDC.DrawText(GUI::from_u8(item.text), text_x, icon_y + text_y_offset); + + // update y + icon_y += icon_y_step; + } + + memDC.SelectObject(wxNullBitmap); + + // Convert the bitmap into a linear data ready to be loaded into the GPU. + wxImage image = bitmap.ConvertToImage(); + image.SetMaskColour(Background_Color[0], Background_Color[1], Background_Color[2]); + + // prepare buffer + std::vector<unsigned char> data(4 * m_width * m_height, 0); + for (int h = 0; h < m_height; ++h) + { + int hh = h * m_width; + unsigned char* px_ptr = data.data() + 4 * hh; + for (int w = 0; w < m_width; ++w) + { + *px_ptr++ = image.GetRed(w, h); + *px_ptr++ = image.GetGreen(w, h); + *px_ptr++ = image.GetBlue(w, h); + *px_ptr++ = image.IsTransparent(w, h) ? 0 : Opacity; + } + } + + // sends buffer to gpu + ::glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + ::glGenTextures(1, &m_id); + ::glBindTexture(GL_TEXTURE_2D, (GLuint)m_id); + ::glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, (GLsizei)m_width, (GLsizei)m_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, (const void*)data.data()); + ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1); + ::glBindTexture(GL_TEXTURE_2D, 0); + + return true; +} + +void GLCanvas3D::LegendTexture::render(const GLCanvas3D& canvas) const +{ + if ((m_id > 0) && (m_original_width > 0) && (m_original_height > 0) && (m_width > 0) && (m_height > 0)) + { + ::glDisable(GL_DEPTH_TEST); + ::glPushMatrix(); + ::glLoadIdentity(); + + const Size& cnv_size = canvas.get_canvas_size(); + float zoom = canvas.get_camera_zoom(); + float inv_zoom = (zoom != 0.0f) ? 1.0f / zoom : 0.0f; + float left = (-0.5f * (float)cnv_size.get_width()) * inv_zoom; + float top = (0.5f * (float)cnv_size.get_height()) * inv_zoom; + float right = left + (float)m_original_width * inv_zoom; + float bottom = top - (float)m_original_height * inv_zoom; + + float uv_left = 0.0f; + float uv_top = 0.0f; + float uv_right = (float)m_original_width / (float)m_width; + float uv_bottom = (float)m_original_height / (float)m_height; + + GLTexture::Quad_UVs uvs; + uvs.left_top = { uv_left, uv_top }; + uvs.left_bottom = { uv_left, uv_bottom }; + uvs.right_bottom = { uv_right, uv_bottom }; + uvs.right_top = { uv_right, uv_top }; + + GLTexture::render_sub_texture(m_id, left, right, bottom, top, uvs); + + ::glPopMatrix(); + ::glEnable(GL_DEPTH_TEST); + } +} + +GLGizmoBase* GLCanvas3D::Gizmos::_get_current() const +{ + GizmosMap::const_iterator it = m_gizmos.find(m_current); + return (it != m_gizmos.end()) ? it->second : nullptr; +} + +GLCanvas3D::GLCanvas3D(wxGLCanvas* canvas) + : m_canvas(canvas) + , m_context(nullptr) + , m_timer(nullptr) + , m_toolbar(*this) + , m_config(nullptr) + , m_print(nullptr) + , m_model(nullptr) + , m_dirty(true) + , m_initialized(false) + , m_use_VBOs(false) + , m_force_zoom_to_bed_enabled(false) + , m_apply_zoom_to_volumes_filter(false) + , m_hover_volume_id(-1) + , m_toolbar_action_running(false) + , m_warning_texture_enabled(false) + , m_legend_texture_enabled(false) + , m_picking_enabled(false) + , m_moving_enabled(false) + , m_shader_enabled(false) + , m_dynamic_background_enabled(false) + , m_multisample_allowed(false) + , m_color_by("volume") + , m_select_by("object") + , m_drag_by("instance") + , m_reload_delayed(false) +{ + if (m_canvas != nullptr) + { + m_context = new wxGLContext(m_canvas); + m_timer = new wxTimer(m_canvas); + } +} + +GLCanvas3D::~GLCanvas3D() +{ + reset_volumes(); + + if (m_timer != nullptr) + { + delete m_timer; + m_timer = nullptr; + } + + if (m_context != nullptr) + { + delete m_context; + m_context = nullptr; + } + + _deregister_callbacks(); +} + +bool GLCanvas3D::init(bool useVBOs, bool use_legacy_opengl) +{ + if (m_initialized) + return true; + + if ((m_canvas == nullptr) || (m_context == nullptr)) + return false; + + ::glClearColor(1.0f, 1.0f, 1.0f, 1.0f); + ::glClearDepth(1.0f); + + ::glDepthFunc(GL_LESS); + + ::glEnable(GL_DEPTH_TEST); + ::glEnable(GL_CULL_FACE); + ::glEnable(GL_BLEND); + ::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + // Set antialiasing / multisampling + ::glDisable(GL_LINE_SMOOTH); + ::glDisable(GL_POLYGON_SMOOTH); + + // ambient lighting + GLfloat ambient[4] = { 0.3f, 0.3f, 0.3f, 1.0f }; + ::glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient); + + ::glEnable(GL_LIGHT0); + ::glEnable(GL_LIGHT1); + + // light from camera + GLfloat specular_cam[4] = { 0.3f, 0.3f, 0.3f, 1.0f }; + ::glLightfv(GL_LIGHT1, GL_SPECULAR, specular_cam); + GLfloat diffuse_cam[4] = { 0.2f, 0.2f, 0.2f, 1.0f }; + ::glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse_cam); + + // light from above + GLfloat specular_top[4] = { 0.2f, 0.2f, 0.2f, 1.0f }; + ::glLightfv(GL_LIGHT0, GL_SPECULAR, specular_top); + GLfloat diffuse_top[4] = { 0.5f, 0.5f, 0.5f, 1.0f }; + ::glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse_top); + + // Enables Smooth Color Shading; try GL_FLAT for (lack of) fun. + ::glShadeModel(GL_SMOOTH); + + // A handy trick -- have surface material mirror the color. + ::glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE); + ::glEnable(GL_COLOR_MATERIAL); + + if (m_multisample_allowed) + ::glEnable(GL_MULTISAMPLE); + + if (useVBOs && !m_shader.init("gouraud.vs", "gouraud.fs")) + return false; + + if (useVBOs && !m_layers_editing.init("variable_layer_height.vs", "variable_layer_height.fs")) + return false; + + m_use_VBOs = useVBOs; + m_layers_editing.set_use_legacy_opengl(use_legacy_opengl); + + // on linux the gl context is not valid until the canvas is not shown on screen + // we defer the geometry finalization of volumes until the first call to render() + if (!m_volumes.empty()) + m_volumes.finalize_geometry(m_use_VBOs); + + if (m_gizmos.is_enabled() && !m_gizmos.init(*this)) + return false; + + if (!_init_toolbar()) + return false; + + m_initialized = true; + + return true; +} + +bool GLCanvas3D::set_current() +{ + if ((m_canvas != nullptr) && (m_context != nullptr)) + return m_canvas->SetCurrent(*m_context); + + return false; +} + +void GLCanvas3D::set_as_dirty() +{ + m_dirty = true; +} + +unsigned int GLCanvas3D::get_volumes_count() const +{ + return (unsigned int)m_volumes.volumes.size(); +} + +void GLCanvas3D::reset_volumes() +{ + if (!m_volumes.empty()) + { + // ensures this canvas is current + if (!set_current()) + return; + + m_volumes.release_geometry(); + m_volumes.clear(); + m_dirty = true; + } + + enable_warning_texture(false); + _reset_warning_texture(); +} + +void GLCanvas3D::deselect_volumes() +{ + for (GLVolume* vol : m_volumes.volumes) + { + if (vol != nullptr) + vol->selected = false; + } +} + +void GLCanvas3D::select_volume(unsigned int id) +{ + if (id < (unsigned int)m_volumes.volumes.size()) + { + GLVolume* vol = m_volumes.volumes[id]; + if (vol != nullptr) + vol->selected = true; + } +} + +void GLCanvas3D::update_volumes_selection(const std::vector<int>& selections) +{ + if (m_model == nullptr) + return; + + if (selections.empty()) + return; + + for (unsigned int obj_idx = 0; obj_idx < (unsigned int)m_model->objects.size(); ++obj_idx) + { + if ((selections[obj_idx] == 1) && (obj_idx < (unsigned int)m_objects_volumes_idxs.size())) + { + const std::vector<int>& volume_idxs = m_objects_volumes_idxs[obj_idx]; + for (int v : volume_idxs) + { + select_volume(v); + } + } + } +} + +int GLCanvas3D::check_volumes_outside_state(const DynamicPrintConfig* config) const +{ + ModelInstance::EPrintVolumeState state; + m_volumes.check_outside_state(config, &state); + return (int)state; +} + +bool GLCanvas3D::move_volume_up(unsigned int id) +{ + if ((id > 0) && (id < (unsigned int)m_volumes.volumes.size())) + { + std::swap(m_volumes.volumes[id - 1], m_volumes.volumes[id]); + std::swap(m_volumes.volumes[id - 1]->composite_id, m_volumes.volumes[id]->composite_id); + std::swap(m_volumes.volumes[id - 1]->select_group_id, m_volumes.volumes[id]->select_group_id); + std::swap(m_volumes.volumes[id - 1]->drag_group_id, m_volumes.volumes[id]->drag_group_id); + return true; + } + + return false; +} + +bool GLCanvas3D::move_volume_down(unsigned int id) +{ + if ((id >= 0) && (id + 1 < (unsigned int)m_volumes.volumes.size())) + { + std::swap(m_volumes.volumes[id + 1], m_volumes.volumes[id]); + std::swap(m_volumes.volumes[id + 1]->composite_id, m_volumes.volumes[id]->composite_id); + std::swap(m_volumes.volumes[id + 1]->select_group_id, m_volumes.volumes[id]->select_group_id); + std::swap(m_volumes.volumes[id + 1]->drag_group_id, m_volumes.volumes[id]->drag_group_id); + return true; + } + + return false; +} + +void GLCanvas3D::set_objects_selections(const std::vector<int>& selections) +{ + m_objects_selections = selections; +} + +void GLCanvas3D::set_config(DynamicPrintConfig* config) +{ + m_config = config; +} + +void GLCanvas3D::set_print(Print* print) +{ + m_print = print; +} + +void GLCanvas3D::set_model(Model* model) +{ + m_model = model; +} + +void GLCanvas3D::set_bed_shape(const Pointfs& shape) +{ + bool new_shape = m_bed.set_shape(shape); + + // Set the origin and size for painting of the coordinate system axes. + m_axes.origin = Vec3d(0.0, 0.0, (double)GROUND_Z); + set_axes_length(0.3f * (float)m_bed.get_bounding_box().max_size()); + + if (new_shape) + { + // forces the selection of the proper camera target + if (m_volumes.volumes.empty()) + zoom_to_bed(); + else + zoom_to_volumes(); + } + + m_dirty = true; +} + +void GLCanvas3D::set_auto_bed_shape() +{ + // draw a default square bed around object center + const BoundingBoxf3& bbox = volumes_bounding_box(); + double max_size = bbox.max_size(); + const Vec3d center = bbox.center(); + + Pointfs bed_shape; + bed_shape.reserve(4); + bed_shape.emplace_back(center(0) - max_size, center(1) - max_size); + bed_shape.emplace_back(center(0) + max_size, center(1) - max_size); + bed_shape.emplace_back(center(0) + max_size, center(1) + max_size); + bed_shape.emplace_back(center(0) - max_size, center(1) + max_size); + + set_bed_shape(bed_shape); + + // Set the origin for painting of the coordinate system axes. + m_axes.origin = Vec3d(center(0), center(1), (double)GROUND_Z); +} + +void GLCanvas3D::set_axes_length(float length) +{ + m_axes.length = length; +} + +void GLCanvas3D::set_cutting_plane(float z, const ExPolygons& polygons) +{ + m_cutting_plane.set(z, polygons); +} + +void GLCanvas3D::set_color_by(const std::string& value) +{ + m_color_by = value; +} + +void GLCanvas3D::set_select_by(const std::string& value) +{ + m_select_by = value; + m_volumes.set_select_by(value); +} + +void GLCanvas3D::set_drag_by(const std::string& value) +{ + m_drag_by = value; + m_volumes.set_drag_by(value); +} + +const std::string& GLCanvas3D::get_select_by() const +{ + return m_select_by; +} + +const std::string& GLCanvas3D::get_drag_by() const +{ + return m_drag_by; +} + +float GLCanvas3D::get_camera_zoom() const +{ + return m_camera.zoom; +} + +BoundingBoxf3 GLCanvas3D::volumes_bounding_box() const +{ + BoundingBoxf3 bb; + for (const GLVolume* volume : m_volumes.volumes) + { + if (!m_apply_zoom_to_volumes_filter || ((volume != nullptr) && volume->zoom_to_volumes)) + bb.merge(volume->transformed_bounding_box()); + } + return bb; +} + +bool GLCanvas3D::is_layers_editing_enabled() const +{ + return m_layers_editing.is_enabled(); +} + +bool GLCanvas3D::is_layers_editing_allowed() const +{ + return m_layers_editing.is_allowed(); +} + +bool GLCanvas3D::is_shader_enabled() const +{ + return m_shader_enabled; +} + +bool GLCanvas3D::is_reload_delayed() const +{ + return m_reload_delayed; +} + +void GLCanvas3D::enable_layers_editing(bool enable) +{ + m_layers_editing.set_enabled(enable); +} + +void GLCanvas3D::enable_warning_texture(bool enable) +{ + m_warning_texture_enabled = enable; +} + +void GLCanvas3D::enable_legend_texture(bool enable) +{ + m_legend_texture_enabled = enable; +} + +void GLCanvas3D::enable_picking(bool enable) +{ + m_picking_enabled = enable; +} + +void GLCanvas3D::enable_moving(bool enable) +{ + m_moving_enabled = enable; +} + +void GLCanvas3D::enable_gizmos(bool enable) +{ + m_gizmos.set_enabled(enable); +} + +void GLCanvas3D::enable_toolbar(bool enable) +{ + m_toolbar.set_enabled(enable); +} + +void GLCanvas3D::enable_shader(bool enable) +{ + m_shader_enabled = enable; +} + +void GLCanvas3D::enable_force_zoom_to_bed(bool enable) +{ + m_force_zoom_to_bed_enabled = enable; +} + +void GLCanvas3D::enable_dynamic_background(bool enable) +{ + m_dynamic_background_enabled = enable; +} + +void GLCanvas3D::allow_multisample(bool allow) +{ + m_multisample_allowed = allow; +} + +void GLCanvas3D::enable_toolbar_item(const std::string& name, bool enable) +{ + if (enable) + m_toolbar.enable_item(name); + else + m_toolbar.disable_item(name); +} + +bool GLCanvas3D::is_toolbar_item_pressed(const std::string& name) const +{ + return m_toolbar.is_item_pressed(name); +} + +void GLCanvas3D::zoom_to_bed() +{ + _zoom_to_bounding_box(m_bed.get_bounding_box()); +} + +void GLCanvas3D::zoom_to_volumes() +{ + m_apply_zoom_to_volumes_filter = true; + _zoom_to_bounding_box(volumes_bounding_box()); + m_apply_zoom_to_volumes_filter = false; +} + +void GLCanvas3D::select_view(const std::string& direction) +{ + const float* dir_vec = nullptr; + + if (direction == "iso") + dir_vec = VIEW_DEFAULT; + else if (direction == "left") + dir_vec = VIEW_LEFT; + else if (direction == "right") + dir_vec = VIEW_RIGHT; + else if (direction == "top") + dir_vec = VIEW_TOP; + else if (direction == "bottom") + dir_vec = VIEW_BOTTOM; + else if (direction == "front") + dir_vec = VIEW_FRONT; + else if (direction == "rear") + dir_vec = VIEW_REAR; + + if ((dir_vec != nullptr) && !empty(volumes_bounding_box())) + { + m_camera.phi = dir_vec[0]; + m_camera.set_theta(dir_vec[1]); + + m_on_viewport_changed_callback.call(); + + if (m_canvas != nullptr) + m_canvas->Refresh(); + } +} + +void GLCanvas3D::set_viewport_from_scene(const GLCanvas3D& other) +{ + m_camera.phi = other.m_camera.phi; + m_camera.set_theta(other.m_camera.get_theta()); + m_camera.target = other.m_camera.target; + m_camera.zoom = other.m_camera.zoom; + m_dirty = true; +} + +void GLCanvas3D::update_volumes_colors_by_extruder() +{ + if (m_config != nullptr) + m_volumes.update_colors_by_extruder(m_config); +} + +void GLCanvas3D::update_gizmos_data() +{ + if (!m_gizmos.is_enabled()) + return; + + int id = _get_first_selected_object_id(); + if ((id != -1) && (m_model != nullptr)) + { + ModelObject* model_object = m_model->objects[id]; + if (model_object != nullptr) + { + ModelInstance* model_instance = model_object->instances[0]; + if (model_instance != nullptr) + { +#if ENABLE_MODELINSTANCE_3D_OFFSET + m_gizmos.set_position(model_instance->get_offset()); +#else + m_gizmos.set_position(Vec3d(model_instance->offset(0), model_instance->offset(1), 0.0)); +#endif // ENABLE_MODELINSTANCE_3D_OFFSET + m_gizmos.set_scale(model_instance->scaling_factor); + m_gizmos.set_angle_z(model_instance->rotation); + m_gizmos.set_flattening_data(model_object); + } + } + } + else + { + m_gizmos.set_position(Vec3d::Zero()); + m_gizmos.set_scale(1.0f); + m_gizmos.set_angle_z(0.0f); + m_gizmos.set_flattening_data(nullptr); + } +} + +void GLCanvas3D::render() +{ + if (m_canvas == nullptr) + return; + + if (!_is_shown_on_screen()) + return; + + // ensures this canvas is current and initialized + if (!set_current() || !_3DScene::init(m_canvas)) + return; + + if (m_force_zoom_to_bed_enabled) + _force_zoom_to_bed(); + + _camera_tranform(); + + GLfloat position_cam[4] = { 1.0f, 0.0f, 1.0f, 0.0f }; + ::glLightfv(GL_LIGHT1, GL_POSITION, position_cam); + GLfloat position_top[4] = { -0.5f, -0.5f, 1.0f, 0.0f }; + ::glLightfv(GL_LIGHT0, GL_POSITION, position_top); + + float theta = m_camera.get_theta(); + bool is_custom_bed = m_bed.is_custom(); + + // picking pass + _picking_pass(); + + // draw scene + _render_background(); + + if (is_custom_bed) // untextured bed needs to be rendered before objects + { + _render_bed(theta); + // disable depth testing so that axes are not covered by ground + _render_axes(false); + } + _render_objects(); + if (!is_custom_bed) // textured bed needs to be rendered after objects + { + _render_axes(true); + _render_bed(theta); + } + + _render_current_gizmo(); + _render_cutting_plane(); + + // draw overlays + _render_gizmos_overlay(); + _render_warning_texture(); + _render_legend_texture(); + _render_toolbar(); + _render_layer_editing_overlay(); + + m_canvas->SwapBuffers(); +} + +std::vector<double> GLCanvas3D::get_current_print_zs(bool active_only) const +{ + return m_volumes.get_current_print_zs(active_only); +} + +void GLCanvas3D::set_toolpaths_range(double low, double high) +{ + m_volumes.set_range(low, high); +} + +std::vector<int> GLCanvas3D::load_object(const ModelObject& model_object, int obj_idx, std::vector<int> instance_idxs) +{ + if (instance_idxs.empty()) + { + for (unsigned int i = 0; i < model_object.instances.size(); ++i) + { + instance_idxs.push_back(i); + } + } + return m_volumes.load_object(&model_object, obj_idx, instance_idxs, m_color_by, m_select_by, m_drag_by, m_use_VBOs && m_initialized); +} + +std::vector<int> GLCanvas3D::load_object(const Model& model, int obj_idx) +{ + if ((0 <= obj_idx) && (obj_idx < (int)model.objects.size())) + { + const ModelObject* model_object = model.objects[obj_idx]; + if (model_object != nullptr) + return load_object(*model_object, obj_idx, std::vector<int>()); + } + + return std::vector<int>(); +} + +int GLCanvas3D::get_first_volume_id(int obj_idx) const +{ + for (int i = 0; i < (int)m_volumes.volumes.size(); ++i) + { + if ((m_volumes.volumes[i] != nullptr) && (m_volumes.volumes[i]->object_idx() == obj_idx)) + return i; + } + + return -1; +} + +int GLCanvas3D::get_in_object_volume_id(int scene_vol_idx) const +{ + return ((0 <= scene_vol_idx) && (scene_vol_idx < (int)m_volumes.volumes.size())) ? m_volumes.volumes[scene_vol_idx]->volume_idx() : -1; +} + +void GLCanvas3D::reload_scene(bool force) +{ + if ((m_canvas == nullptr) || (m_config == nullptr) || (m_model == nullptr)) + return; + + reset_volumes(); + + // ensures this canvas is current + if (!set_current()) + return; + + set_bed_shape(dynamic_cast<const ConfigOptionPoints*>(m_config->option("bed_shape"))->values); + + if (!m_canvas->IsShown() && !force) + { + m_reload_delayed = true; + return; + } + + m_reload_delayed = false; + + m_objects_volumes_idxs.clear(); + + for (unsigned int obj_idx = 0; obj_idx < (unsigned int)m_model->objects.size(); ++obj_idx) + { + m_objects_volumes_idxs.push_back(load_object(*m_model, obj_idx)); + } + + // 1st call to reset if no objects left + update_gizmos_data(); + update_volumes_selection(m_objects_selections); + // 2nd call to restore selection, if any + if (!m_objects_selections.empty()) + update_gizmos_data(); + + if (m_config->has("nozzle_diameter")) + { + // Should the wipe tower be visualized ? + unsigned int extruders_count = (unsigned int)dynamic_cast<const ConfigOptionFloats*>(m_config->option("nozzle_diameter"))->values.size(); + + bool semm = dynamic_cast<const ConfigOptionBool*>(m_config->option("single_extruder_multi_material"))->value; + bool wt = dynamic_cast<const ConfigOptionBool*>(m_config->option("wipe_tower"))->value; + bool co = dynamic_cast<const ConfigOptionBool*>(m_config->option("complete_objects"))->value; + + if ((extruders_count > 1) && semm && wt && !co) + { + // Height of a print (Show at least a slab) + double height = std::max(m_model->bounding_box().max(2), 10.0); + + float x = dynamic_cast<const ConfigOptionFloat*>(m_config->option("wipe_tower_x"))->value; + float y = dynamic_cast<const ConfigOptionFloat*>(m_config->option("wipe_tower_y"))->value; + float w = dynamic_cast<const ConfigOptionFloat*>(m_config->option("wipe_tower_width"))->value; + float a = dynamic_cast<const ConfigOptionFloat*>(m_config->option("wipe_tower_rotation_angle"))->value; + + float depth = m_print->get_wipe_tower_depth(); + if (!m_print->is_step_done(psWipeTower)) + depth = (900.f/w) * (float)(extruders_count - 1) ; + + m_volumes.load_wipe_tower_preview(1000, x, y, w, depth, (float)height, a, m_use_VBOs && m_initialized, !m_print->is_step_done(psWipeTower), + m_print->config().nozzle_diameter.values[0] * 1.25f * 4.5f); + } + } + + update_volumes_colors_by_extruder(); + + // checks for geometry outside the print volume to render it accordingly + if (!m_volumes.empty()) + { + ModelInstance::EPrintVolumeState state; + bool contained = m_volumes.check_outside_state(m_config, &state); + + if (!contained) + { + enable_warning_texture(true); + _generate_warning_texture(L("Detected object outside print volume")); + m_on_enable_action_buttons_callback.call(state == ModelInstance::PVS_Fully_Outside); + } + else + { + enable_warning_texture(false); + m_volumes.reset_outside_state(); + _reset_warning_texture(); + m_on_enable_action_buttons_callback.call(!m_model->objects.empty()); + } + } + else + { + enable_warning_texture(false); + _reset_warning_texture(); + m_on_enable_action_buttons_callback.call(false); + } +} + +void GLCanvas3D::load_gcode_preview(const GCodePreviewData& preview_data, const std::vector<std::string>& str_tool_colors) +{ + if ((m_canvas != nullptr) && (m_print != nullptr)) + { + // ensures that this canvas is current + if (!set_current()) + return; + + if (m_volumes.empty()) + { + std::vector<float> tool_colors = _parse_colors(str_tool_colors); + + m_gcode_preview_volume_index.reset(); + + _load_gcode_extrusion_paths(preview_data, tool_colors); + _load_gcode_travel_paths(preview_data, tool_colors); + _load_gcode_retractions(preview_data); + _load_gcode_unretractions(preview_data); + + if (m_volumes.empty()) + reset_legend_texture(); + else + { + _generate_legend_texture(preview_data, tool_colors); + + // removes empty volumes + m_volumes.volumes.erase(std::remove_if(m_volumes.volumes.begin(), m_volumes.volumes.end(), + [](const GLVolume* volume) { return volume->print_zs.empty(); }), m_volumes.volumes.end()); + + _load_shells(); + } + _update_toolpath_volumes_outside_state(); + } + + _update_gcode_volumes_visibility(preview_data); + _show_warning_texture_if_needed(); + } +} + +void GLCanvas3D::load_preview(const std::vector<std::string>& str_tool_colors) +{ + if (m_print == nullptr) + return; + + _load_print_toolpaths(); + _load_wipe_tower_toolpaths(str_tool_colors); + for (const PrintObject* object : m_print->objects()) + { + if (object != nullptr) + _load_print_object_toolpaths(*object, str_tool_colors); + } + + for (GLVolume* volume : m_volumes.volumes) + { + volume->is_extrusion_path = true; + } + + _update_toolpath_volumes_outside_state(); + _show_warning_texture_if_needed(); + reset_legend_texture(); +} + +void GLCanvas3D::register_on_viewport_changed_callback(void* callback) +{ + if (callback != nullptr) + m_on_viewport_changed_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_double_click_callback(void* callback) +{ + if (callback != nullptr) + m_on_double_click_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_right_click_callback(void* callback) +{ + if (callback != nullptr) + m_on_right_click_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_select_object_callback(void* callback) +{ + if (callback != nullptr) + m_on_select_object_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_model_update_callback(void* callback) +{ + if (callback != nullptr) + m_on_model_update_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_remove_object_callback(void* callback) +{ + if (callback != nullptr) + m_on_remove_object_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_arrange_callback(void* callback) +{ + if (callback != nullptr) + m_on_arrange_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_rotate_object_left_callback(void* callback) +{ + if (callback != nullptr) + m_on_rotate_object_left_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_rotate_object_right_callback(void* callback) +{ + if (callback != nullptr) + m_on_rotate_object_right_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_scale_object_uniformly_callback(void* callback) +{ + if (callback != nullptr) + m_on_scale_object_uniformly_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_increase_objects_callback(void* callback) +{ + if (callback != nullptr) + m_on_increase_objects_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_decrease_objects_callback(void* callback) +{ + if (callback != nullptr) + m_on_decrease_objects_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_instance_moved_callback(void* callback) +{ + if (callback != nullptr) + m_on_instance_moved_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_wipe_tower_moved_callback(void* callback) +{ + if (callback != nullptr) + m_on_wipe_tower_moved_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_enable_action_buttons_callback(void* callback) +{ + if (callback != nullptr) + m_on_enable_action_buttons_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_gizmo_scale_uniformly_callback(void* callback) +{ + if (callback != nullptr) + m_on_gizmo_scale_uniformly_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_gizmo_rotate_callback(void* callback) +{ + if (callback != nullptr) + m_on_gizmo_rotate_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_gizmo_flatten_callback(void* callback) +{ + if (callback != nullptr) + m_on_gizmo_flatten_callback.register_callback(callback); +} + +void GLCanvas3D::register_on_update_geometry_info_callback(void* callback) +{ + if (callback != nullptr) + m_on_update_geometry_info_callback.register_callback(callback); +} + +void GLCanvas3D::register_action_add_callback(void* callback) +{ + if (callback != nullptr) + m_action_add_callback.register_callback(callback); +} + +void GLCanvas3D::register_action_delete_callback(void* callback) +{ + if (callback != nullptr) + m_action_delete_callback.register_callback(callback); +} + +void GLCanvas3D::register_action_deleteall_callback(void* callback) +{ + if (callback != nullptr) + m_action_deleteall_callback.register_callback(callback); +} + +void GLCanvas3D::register_action_arrange_callback(void* callback) +{ + if (callback != nullptr) + m_action_arrange_callback.register_callback(callback); +} + +void GLCanvas3D::register_action_more_callback(void* callback) +{ + if (callback != nullptr) + m_action_more_callback.register_callback(callback); +} + +void GLCanvas3D::register_action_fewer_callback(void* callback) +{ + if (callback != nullptr) + m_action_fewer_callback.register_callback(callback); +} + +void GLCanvas3D::register_action_split_callback(void* callback) +{ + if (callback != nullptr) + m_action_split_callback.register_callback(callback); +} + +void GLCanvas3D::register_action_cut_callback(void* callback) +{ + if (callback != nullptr) + m_action_cut_callback.register_callback(callback); +} + +void GLCanvas3D::register_action_settings_callback(void* callback) +{ + if (callback != nullptr) + m_action_settings_callback.register_callback(callback); +} + +void GLCanvas3D::register_action_layersediting_callback(void* callback) +{ + if (callback != nullptr) + m_action_layersediting_callback.register_callback(callback); +} + +void GLCanvas3D::register_action_selectbyparts_callback(void* callback) +{ + if (callback != nullptr) + m_action_selectbyparts_callback.register_callback(callback); +} + +void GLCanvas3D::bind_event_handlers() +{ + if (m_canvas != nullptr) + { + m_canvas->Bind(wxEVT_SIZE, &GLCanvas3D::on_size, this); + m_canvas->Bind(wxEVT_IDLE, &GLCanvas3D::on_idle, this); + m_canvas->Bind(wxEVT_CHAR, &GLCanvas3D::on_char, this); + m_canvas->Bind(wxEVT_MOUSEWHEEL, &GLCanvas3D::on_mouse_wheel, this); + m_canvas->Bind(wxEVT_TIMER, &GLCanvas3D::on_timer, this); + m_canvas->Bind(wxEVT_LEFT_DOWN, &GLCanvas3D::on_mouse, this); + m_canvas->Bind(wxEVT_LEFT_UP, &GLCanvas3D::on_mouse, this); + m_canvas->Bind(wxEVT_MIDDLE_DOWN, &GLCanvas3D::on_mouse, this); + m_canvas->Bind(wxEVT_MIDDLE_UP, &GLCanvas3D::on_mouse, this); + m_canvas->Bind(wxEVT_RIGHT_DOWN, &GLCanvas3D::on_mouse, this); + m_canvas->Bind(wxEVT_RIGHT_UP, &GLCanvas3D::on_mouse, this); + m_canvas->Bind(wxEVT_MOTION, &GLCanvas3D::on_mouse, this); + m_canvas->Bind(wxEVT_ENTER_WINDOW, &GLCanvas3D::on_mouse, this); + m_canvas->Bind(wxEVT_LEAVE_WINDOW, &GLCanvas3D::on_mouse, this); + m_canvas->Bind(wxEVT_LEFT_DCLICK, &GLCanvas3D::on_mouse, this); + m_canvas->Bind(wxEVT_MIDDLE_DCLICK, &GLCanvas3D::on_mouse, this); + m_canvas->Bind(wxEVT_RIGHT_DCLICK, &GLCanvas3D::on_mouse, this); + m_canvas->Bind(wxEVT_PAINT, &GLCanvas3D::on_paint, this); + m_canvas->Bind(wxEVT_KEY_DOWN, &GLCanvas3D::on_key_down, this); + } +} + +void GLCanvas3D::unbind_event_handlers() +{ + if (m_canvas != nullptr) + { + m_canvas->Unbind(wxEVT_SIZE, &GLCanvas3D::on_size, this); + m_canvas->Unbind(wxEVT_IDLE, &GLCanvas3D::on_idle, this); + m_canvas->Unbind(wxEVT_CHAR, &GLCanvas3D::on_char, this); + m_canvas->Unbind(wxEVT_MOUSEWHEEL, &GLCanvas3D::on_mouse_wheel, this); + m_canvas->Unbind(wxEVT_TIMER, &GLCanvas3D::on_timer, this); + m_canvas->Unbind(wxEVT_LEFT_DOWN, &GLCanvas3D::on_mouse, this); + m_canvas->Unbind(wxEVT_LEFT_UP, &GLCanvas3D::on_mouse, this); + m_canvas->Unbind(wxEVT_MIDDLE_DOWN, &GLCanvas3D::on_mouse, this); + m_canvas->Unbind(wxEVT_MIDDLE_UP, &GLCanvas3D::on_mouse, this); + m_canvas->Unbind(wxEVT_RIGHT_DOWN, &GLCanvas3D::on_mouse, this); + m_canvas->Unbind(wxEVT_RIGHT_UP, &GLCanvas3D::on_mouse, this); + m_canvas->Unbind(wxEVT_MOTION, &GLCanvas3D::on_mouse, this); + m_canvas->Unbind(wxEVT_ENTER_WINDOW, &GLCanvas3D::on_mouse, this); + m_canvas->Unbind(wxEVT_LEAVE_WINDOW, &GLCanvas3D::on_mouse, this); + m_canvas->Unbind(wxEVT_LEFT_DCLICK, &GLCanvas3D::on_mouse, this); + m_canvas->Unbind(wxEVT_MIDDLE_DCLICK, &GLCanvas3D::on_mouse, this); + m_canvas->Unbind(wxEVT_RIGHT_DCLICK, &GLCanvas3D::on_mouse, this); + m_canvas->Unbind(wxEVT_PAINT, &GLCanvas3D::on_paint, this); + m_canvas->Unbind(wxEVT_KEY_DOWN, &GLCanvas3D::on_key_down, this); + } +} + +void GLCanvas3D::on_size(wxSizeEvent& evt) +{ + m_dirty = true; +} + +void GLCanvas3D::on_idle(wxIdleEvent& evt) +{ + if (!m_dirty) + return; + + _refresh_if_shown_on_screen(); +} + +void GLCanvas3D::on_char(wxKeyEvent& evt) +{ + if (evt.HasModifiers()) + evt.Skip(); + else + { + int keyCode = evt.GetKeyCode(); + switch (keyCode - 48) + { + // numerical input + case 0: { select_view("iso"); break; } + case 1: { select_view("top"); break; } + case 2: { select_view("bottom"); break; } + case 3: { select_view("front"); break; } + case 4: { select_view("rear"); break; } + case 5: { select_view("left"); break; } + case 6: { select_view("right"); break; } + default: + { + // text input + switch (keyCode) + { + // key + + case 43: { m_on_increase_objects_callback.call(); break; } + // key - + case 45: { m_on_decrease_objects_callback.call(); break; } + // key A/a + case 65: + case 97: { m_on_arrange_callback.call(); break; } + // key B/b + case 66: + case 98: { zoom_to_bed(); break; } + // key L/l + case 76: + case 108: { m_on_rotate_object_left_callback.call(); break; } + // key R/r + case 82: + case 114: { m_on_rotate_object_right_callback.call(); break; } + // key S/s + case 83: + case 115: { m_on_scale_object_uniformly_callback.call(); break; } + // key Z/z + case 90: + case 122: { zoom_to_volumes(); break; } + default: + { + evt.Skip(); + break; + } + } + } + } + } +} + +void GLCanvas3D::on_mouse_wheel(wxMouseEvent& evt) +{ + // Ignore the wheel events if the middle button is pressed. + if (evt.MiddleIsDown()) + return; + + // Performs layers editing updates, if enabled + if (is_layers_editing_enabled()) + { + int object_idx_selected = _get_first_selected_object_id(); + if (object_idx_selected != -1) + { + // A volume is selected. Test, whether hovering over a layer thickness bar. + if (m_layers_editing.bar_rect_contains(*this, (float)evt.GetX(), (float)evt.GetY())) + { + // Adjust the width of the selection. + m_layers_editing.band_width = std::max(std::min(m_layers_editing.band_width * (1.0f + 0.1f * (float)evt.GetWheelRotation() / (float)evt.GetWheelDelta()), 10.0f), 1.5f); + if (m_canvas != nullptr) + m_canvas->Refresh(); + + return; + } + } + } + + // Calculate the zoom delta and apply it to the current zoom factor + float zoom = (float)evt.GetWheelRotation() / (float)evt.GetWheelDelta(); + zoom = std::max(std::min(zoom, 4.0f), -4.0f) / 10.0f; + zoom = get_camera_zoom() / (1.0f - zoom); + + // Don't allow to zoom too far outside the scene. + float zoom_min = _get_zoom_to_bounding_box_factor(_max_bounding_box()); + if (zoom_min > 0.0f) + zoom = std::max(zoom, zoom_min * 0.8f); + + m_camera.zoom = zoom; + m_on_viewport_changed_callback.call(); + + _refresh_if_shown_on_screen(); +} + +void GLCanvas3D::on_timer(wxTimerEvent& evt) +{ + if (m_layers_editing.state != LayersEditing::Editing) + return; + + _perform_layer_editing_action(); +} + +void GLCanvas3D::on_mouse(wxMouseEvent& evt) +{ + Point pos(evt.GetX(), evt.GetY()); + + int selected_object_idx = _get_first_selected_object_id(); + int layer_editing_object_idx = is_layers_editing_enabled() ? selected_object_idx : -1; + m_layers_editing.last_object_id = layer_editing_object_idx; + bool gizmos_overlay_contains_mouse = m_gizmos.overlay_contains_mouse(*this, m_mouse.position); + int toolbar_contains_mouse = m_toolbar.contains_mouse(m_mouse.position); + + if (evt.Entering()) + { +#if defined(__WXMSW__) || defined(__linux__) + // On Windows and Linux needs focus in order to catch key events + if (m_canvas != nullptr) + m_canvas->SetFocus(); + + m_mouse.set_start_position_2D_as_invalid(); +#endif + } + else if (evt.Leaving()) + { + // to remove hover on objects when the mouse goes out of this canvas + m_mouse.position = Vec2d(-1.0, -1.0); + m_dirty = true; + } + else if (evt.LeftDClick() && (m_hover_volume_id != -1) && !gizmos_overlay_contains_mouse && (toolbar_contains_mouse == -1)) + m_on_double_click_callback.call(); + else if (evt.LeftDClick() && (toolbar_contains_mouse != -1)) + { + m_toolbar_action_running = true; + m_toolbar.do_action((unsigned int)toolbar_contains_mouse); + } + else if (evt.LeftDown() || evt.RightDown()) + { + // If user pressed left or right button we first check whether this happened + // on a volume or not. + int volume_idx = m_hover_volume_id; + m_layers_editing.state = LayersEditing::Unknown; + if ((layer_editing_object_idx != -1) && m_layers_editing.bar_rect_contains(*this, pos(0), pos(1))) + { + // A volume is selected and the mouse is inside the layer thickness bar. + // Start editing the layer height. + m_layers_editing.state = LayersEditing::Editing; + _perform_layer_editing_action(&evt); + } + else if ((layer_editing_object_idx != -1) && m_layers_editing.reset_rect_contains(*this, pos(0), pos(1))) + { + if (evt.LeftDown()) + { + // A volume is selected and the mouse is inside the reset button. + // The PrintObject::adjust_layer_height_profile() call adjusts the profile of its associated ModelObject, it does not modify the profile of the PrintObject itself, + // therefore it is safe to call it while the background processing is running. + const_cast<PrintObject*>(m_print->get_object(layer_editing_object_idx))->reset_layer_height_profile(); + // Index 2 means no editing, just wait for mouse up event. + m_layers_editing.state = LayersEditing::Completed; + + m_dirty = true; + } + } + else if ((selected_object_idx != -1) && gizmos_overlay_contains_mouse) + { + update_gizmos_data(); + m_gizmos.update_on_off_state(*this, m_mouse.position); + m_dirty = true; + } + else if ((selected_object_idx != -1) && m_gizmos.grabber_contains_mouse()) + { + update_gizmos_data(); + m_gizmos.start_dragging(_selected_volumes_bounding_box()); + m_mouse.drag.gizmo_volume_idx = _get_first_selected_volume_id(selected_object_idx); + + if (m_gizmos.get_current_type() == Gizmos::Flatten) { + // Rotate the object so the normal points downward: + Vec3d normal = m_gizmos.get_flattening_normal(); + if (normal(0) != 0.0 || normal(1) != 0.0 || normal(2) != 0.0) { + Vec3d axis = normal(2) > 0.999 ? Vec3d::UnitX() : normal.cross(-Vec3d::UnitZ()).normalized(); + float angle = acos(clamp(-1.0, 1.0, -normal(2))); + m_on_gizmo_flatten_callback.call(angle, (float)axis(0), (float)axis(1), (float)axis(2)); + } + } + + m_dirty = true; + } + else if (toolbar_contains_mouse != -1) + { + m_toolbar_action_running = true; + m_toolbar.do_action((unsigned int)toolbar_contains_mouse); + } + else + { + // Select volume in this 3D canvas. + // Don't deselect a volume if layer editing is enabled. We want the object to stay selected + // during the scene manipulation. + + if (m_picking_enabled && ((volume_idx != -1) || !is_layers_editing_enabled())) + { + if (volume_idx != -1) + { + deselect_volumes(); + select_volume(volume_idx); + int group_id = m_volumes.volumes[volume_idx]->select_group_id; + if (group_id != -1) + { + for (GLVolume* vol : m_volumes.volumes) + { + if ((vol != nullptr) && (vol->select_group_id == group_id)) + vol->selected = true; + } + } + + update_gizmos_data(); + m_dirty = true; + } + } + + // propagate event through callback + if (m_picking_enabled && (volume_idx != -1)) + _on_select(volume_idx, selected_object_idx); + + if (volume_idx != -1) + { + if (evt.LeftDown() && m_moving_enabled) + { + // The mouse_to_3d gets the Z coordinate from the Z buffer at the screen coordinate pos x, y, + // an converts the screen space coordinate to unscaled object space. + Vec3d pos3d = (volume_idx == -1) ? Vec3d(DBL_MAX, DBL_MAX, DBL_MAX) : _mouse_to_3d(pos); + + // Only accept the initial position, if it is inside the volume bounding box. + BoundingBoxf3 volume_bbox = m_volumes.volumes[volume_idx]->transformed_bounding_box(); + volume_bbox.offset(1.0); + if (volume_bbox.contains(pos3d)) + { + // The dragging operation is initiated. + m_mouse.drag.move_with_shift = evt.ShiftDown(); + m_mouse.drag.move_volume_idx = volume_idx; + m_mouse.drag.start_position_3D = pos3d; + // Remember the shift to to the object center.The object center will later be used + // to limit the object placement close to the bed. + m_mouse.drag.volume_center_offset = volume_bbox.center() - pos3d; + } + } + else if (evt.RightDown()) + { + // forces a frame render to ensure that m_hover_volume_id is updated even when the user right clicks while + // the context menu is already shown, ensuring it to disappear if the mouse is outside any volume + m_mouse.position = Vec2d((double)pos(0), (double)pos(1)); + render(); + if (m_hover_volume_id != -1) + { + // if right clicking on volume, propagate event through callback (shows context menu) + if (m_volumes.volumes[volume_idx]->hover) + m_on_right_click_callback.call(pos(0), pos(1)); + } + } + } + } + } + else if (evt.Dragging() && evt.LeftIsDown() && !gizmos_overlay_contains_mouse && (m_layers_editing.state == LayersEditing::Unknown) && (m_mouse.drag.move_volume_idx != -1)) + { + m_mouse.dragging = true; + + // Get new position at the same Z of the initial click point. + float z0 = 0.0f; + float z1 = 1.0f; + Vec3d cur_pos = Linef3(_mouse_to_3d(pos, &z0), _mouse_to_3d(pos, &z1)).intersect_plane(m_mouse.drag.start_position_3D(2)); + + // Clip the new position, so the object center remains close to the bed. + cur_pos += m_mouse.drag.volume_center_offset; + Point cur_pos2(scale_(cur_pos(0)), scale_(cur_pos(1))); + if (!m_bed.contains(cur_pos2)) + { + Point ip = m_bed.point_projection(cur_pos2); + cur_pos(0) = unscale<double>(ip(0)); + cur_pos(1) = unscale<double>(ip(1)); + } + cur_pos -= m_mouse.drag.volume_center_offset; + + // Calculate the translation vector. + Vec3d vector = cur_pos - m_mouse.drag.start_position_3D; + // Get the volume being dragged. + GLVolume* volume = m_volumes.volumes[m_mouse.drag.move_volume_idx]; + // Get all volumes belonging to the same group, if any. + std::vector<GLVolume*> volumes; + int group_id = m_mouse.drag.move_with_shift ? volume->select_group_id : volume->drag_group_id; + if (group_id == -1) + volumes.push_back(volume); + else + { + for (GLVolume* v : m_volumes.volumes) + { + if (v != nullptr) + { + if ((m_mouse.drag.move_with_shift && (v->select_group_id == group_id)) || (!m_mouse.drag.move_with_shift && (v->drag_group_id == group_id))) + volumes.push_back(v); + } + } + } + + // Apply new temporary volume origin and ignore Z. + for (GLVolume* v : volumes) + { + v->set_offset(v->get_offset() + Vec3d(vector(0), vector(1), 0.0)); + } + + update_position_values(volume->get_offset()); + m_mouse.drag.start_position_3D = cur_pos; + + m_dirty = true; + } + else if (evt.Dragging() && m_gizmos.is_dragging()) + { + if (!m_canvas->HasCapture()) + m_canvas->CaptureMouse(); + + m_mouse.dragging = true; + m_gizmos.update(mouse_ray(pos)); + + std::vector<GLVolume*> volumes; + if (m_mouse.drag.gizmo_volume_idx != -1) + { + GLVolume* volume = m_volumes.volumes[m_mouse.drag.gizmo_volume_idx]; + // Get all volumes belonging to the same group, if any. + if (volume->select_group_id == -1) + volumes.push_back(volume); + else + { + for (GLVolume* v : m_volumes.volumes) + { + if ((v != nullptr) && (v->select_group_id == volume->select_group_id)) + volumes.push_back(v); + } + } + } + + switch (m_gizmos.get_current_type()) + { + case Gizmos::Move: + { + // Apply new temporary offset + GLVolume* volume = m_volumes.volumes[m_mouse.drag.gizmo_volume_idx]; + Vec3d offset = m_gizmos.get_position() - volume->get_offset(); + for (GLVolume* v : volumes) + { + v->set_offset(v->get_offset() + offset); + } + update_position_values(volume->get_offset()); + break; + } + case Gizmos::Scale: + { + // Apply new temporary scale factor + float scale_factor = m_gizmos.get_scale(); + for (GLVolume* v : volumes) + { + v->set_scaling_factor((double)scale_factor); + } + update_scale_values((double)scale_factor); + break; + } + case Gizmos::Rotate: + { + // Apply new temporary angle_z + float angle_z = m_gizmos.get_angle_z(); + for (GLVolume* v : volumes) + { + v->set_rotation((double)angle_z); + } + update_rotation_value((double)angle_z, Z); + break; + } + default: + break; + } + + if (!volumes.empty()) + { + BoundingBoxf3 bb; + for (const GLVolume* volume : volumes) + { + bb.merge(volume->transformed_bounding_box()); + } + const Vec3d& size = bb.size(); + m_on_update_geometry_info_callback.call(size(0), size(1), size(2), m_gizmos.get_scale()); + } + + m_dirty = true; + } + else if (evt.Dragging() && !gizmos_overlay_contains_mouse) + { + m_mouse.dragging = true; + + if ((m_layers_editing.state != LayersEditing::Unknown) && (layer_editing_object_idx != -1)) + { + if (m_layers_editing.state == LayersEditing::Editing) + _perform_layer_editing_action(&evt); + } + else if (evt.LeftIsDown()) + { + // if dragging over blank area with left button, rotate + if (m_mouse.is_start_position_3D_defined()) + { + const Vec3d& orig = m_mouse.drag.start_position_3D; + m_camera.phi += (((float)pos(0) - (float)orig(0)) * TRACKBALLSIZE); + m_camera.set_theta(m_camera.get_theta() - ((float)pos(1) - (float)orig(1)) * TRACKBALLSIZE); + + m_on_viewport_changed_callback.call(); + + m_dirty = true; + } + m_mouse.drag.start_position_3D = Vec3d((double)pos(0), (double)pos(1), 0.0); + } + else if (evt.MiddleIsDown() || evt.RightIsDown()) + { + // If dragging over blank area with right button, pan. + if (m_mouse.is_start_position_2D_defined()) + { + // get point in model space at Z = 0 + float z = 0.0f; + const Vec3d& cur_pos = _mouse_to_3d(pos, &z); + Vec3d orig = _mouse_to_3d(m_mouse.drag.start_position_2D, &z); + m_camera.target += orig - cur_pos; + + m_on_viewport_changed_callback.call(); + + m_dirty = true; + } + + m_mouse.drag.start_position_2D = pos; + } + } + else if (evt.LeftUp() || evt.MiddleUp() || evt.RightUp()) + { + if (m_layers_editing.state != LayersEditing::Unknown) + { + m_layers_editing.state = LayersEditing::Unknown; + _stop_timer(); + + if (layer_editing_object_idx != -1) + m_on_model_update_callback.call(); + } + else if ((m_mouse.drag.move_volume_idx != -1) && m_mouse.dragging) + { + // get all volumes belonging to the same group, if any + std::vector<int> volume_idxs; + int vol_id = m_mouse.drag.move_volume_idx; + int group_id = m_mouse.drag.move_with_shift ? m_volumes.volumes[vol_id]->select_group_id : m_volumes.volumes[vol_id]->drag_group_id; + if (group_id == -1) + volume_idxs.push_back(vol_id); + else + { + for (int i = 0; i < (int)m_volumes.volumes.size(); ++i) + { + if ((m_mouse.drag.move_with_shift && (m_volumes.volumes[i]->select_group_id == group_id)) || (m_volumes.volumes[i]->drag_group_id == group_id)) + volume_idxs.push_back(i); + } + } + + _on_move(volume_idxs); + + // force re-selection of the wipe tower, if needed + if ((volume_idxs.size() == 1) && m_volumes.volumes[volume_idxs[0]]->is_wipe_tower) + select_volume(volume_idxs[0]); + } + else if (evt.LeftUp() && !m_mouse.dragging && (m_hover_volume_id == -1) && !gizmos_overlay_contains_mouse && !m_gizmos.is_dragging() && !is_layers_editing_enabled()) + { + // deselect and propagate event through callback + if (m_picking_enabled && !m_toolbar_action_running) + { + deselect_volumes(); + _on_select(-1, -1); + update_gizmos_data(); + } + } + else if (evt.LeftUp() && m_gizmos.is_dragging()) + { + switch (m_gizmos.get_current_type()) + { + case Gizmos::Move: + { + // get all volumes belonging to the same group, if any + std::vector<int> volume_idxs; + int vol_id = m_mouse.drag.gizmo_volume_idx; + int group_id = m_volumes.volumes[vol_id]->select_group_id; + if (group_id == -1) + volume_idxs.push_back(vol_id); + else + { + for (int i = 0; i < (int)m_volumes.volumes.size(); ++i) + { + if (m_volumes.volumes[i]->select_group_id == group_id) + volume_idxs.push_back(i); + } + } + + _on_move(volume_idxs); + + break; + } + case Gizmos::Scale: + { + m_on_gizmo_scale_uniformly_callback.call((double)m_gizmos.get_scale()); + break; + } + case Gizmos::Rotate: + { + m_on_gizmo_rotate_callback.call((double)m_gizmos.get_angle_z()); + break; + } + default: + break; + } + m_gizmos.stop_dragging(); + Slic3r::GUI::update_settings_value(); + } + + m_mouse.drag.move_volume_idx = -1; + m_mouse.drag.gizmo_volume_idx = -1; + m_mouse.set_start_position_3D_as_invalid(); + m_mouse.set_start_position_2D_as_invalid(); + m_mouse.dragging = false; + m_toolbar_action_running = false; + m_dirty = true; + + if (m_canvas->HasCapture()) + m_canvas->ReleaseMouse(); + } + else if (evt.Moving()) + { + m_mouse.position = Vec2d((double)pos(0), (double)pos(1)); + // Only refresh if picking is enabled, in that case the objects may get highlighted if the mouse cursor hovers over. + if (m_picking_enabled) + m_dirty = true; + } + else + evt.Skip(); +} + +void GLCanvas3D::on_paint(wxPaintEvent& evt) +{ + render(); +} + +void GLCanvas3D::on_key_down(wxKeyEvent& evt) +{ + if (evt.HasModifiers()) + evt.Skip(); + else + { + int key = evt.GetKeyCode(); + if (key == WXK_DELETE) + m_on_remove_object_callback.call(); + else + { +#ifdef __WXOSX__ + if (key == WXK_BACK) + m_on_remove_object_callback.call(); +#endif + evt.Skip(); + } + } +} + +Size GLCanvas3D::get_canvas_size() const +{ + int w = 0; + int h = 0; + + if (m_canvas != nullptr) + m_canvas->GetSize(&w, &h); + + return Size(w, h); +} + +Point GLCanvas3D::get_local_mouse_position() const +{ + if (m_canvas == nullptr) + return Point(); + + wxPoint mouse_pos = m_canvas->ScreenToClient(wxGetMousePosition()); + return Point(mouse_pos.x, mouse_pos.y); +} + +void GLCanvas3D::reset_legend_texture() +{ + if (!set_current()) + return; + + m_legend_texture.reset(); +} + +void GLCanvas3D::set_tooltip(const std::string& tooltip) +{ + if (m_canvas != nullptr) + m_canvas->SetToolTip(tooltip); +} + +bool GLCanvas3D::_is_shown_on_screen() const +{ + return (m_canvas != nullptr) ? m_canvas->IsShownOnScreen() : false; +} + +void GLCanvas3D::_force_zoom_to_bed() +{ + zoom_to_bed(); + m_force_zoom_to_bed_enabled = false; +} + +bool GLCanvas3D::_init_toolbar() +{ + if (!m_toolbar.is_enabled()) + return true; + + if (!m_toolbar.init("toolbar.png", 36, 1, 1)) + { + // unable to init the toolbar texture, disable it + m_toolbar.set_enabled(false); + return true; + } + +// m_toolbar.set_layout_type(GLToolbar::Layout::Vertical); + m_toolbar.set_layout_type(GLToolbar::Layout::Horizontal); + m_toolbar.set_separator_size(5); + m_toolbar.set_gap_size(2); + + GLToolbarItem::Data item; + + item.name = "add"; + item.tooltip = GUI::L_str("Add..."); + item.sprite_id = 0; + item.is_toggable = false; + item.action_callback = &m_action_add_callback; + if (!m_toolbar.add_item(item)) + return false; + + item.name = "delete"; + item.tooltip = GUI::L_str("Delete"); + item.sprite_id = 1; + item.is_toggable = false; + item.action_callback = &m_action_delete_callback; + if (!m_toolbar.add_item(item)) + return false; + + item.name = "deleteall"; + item.tooltip = GUI::L_str("Delete all"); + item.sprite_id = 2; + item.is_toggable = false; + item.action_callback = &m_action_deleteall_callback; + if (!m_toolbar.add_item(item)) + return false; + + item.name = "arrange"; + item.tooltip = GUI::L_str("Arrange"); + item.sprite_id = 3; + item.is_toggable = false; + item.action_callback = &m_action_arrange_callback; + if (!m_toolbar.add_item(item)) + return false; + + if (!m_toolbar.add_separator()) + return false; + + item.name = "more"; + item.tooltip = GUI::L_str("Add instance"); + item.sprite_id = 4; + item.is_toggable = false; + item.action_callback = &m_action_more_callback; + if (!m_toolbar.add_item(item)) + return false; + + item.name = "fewer"; + item.tooltip = GUI::L_str("Remove instance"); + item.sprite_id = 5; + item.is_toggable = false; + item.action_callback = &m_action_fewer_callback; + if (!m_toolbar.add_item(item)) + return false; + + if (!m_toolbar.add_separator()) + return false; + + item.name = "split"; + item.tooltip = GUI::L_str("Split"); + item.sprite_id = 6; + item.is_toggable = false; + item.action_callback = &m_action_split_callback; + if (!m_toolbar.add_item(item)) + return false; + + item.name = "cut"; + item.tooltip = GUI::L_str("Cut..."); + item.sprite_id = 7; + item.is_toggable = false; + item.action_callback = &m_action_cut_callback; + if (!m_toolbar.add_item(item)) + return false; + + if (!m_toolbar.add_separator()) + return false; + + item.name = "settings"; + item.tooltip = GUI::L_str("Settings..."); + item.sprite_id = 8; + item.is_toggable = false; + item.action_callback = &m_action_settings_callback; + if (!m_toolbar.add_item(item)) + return false; + + item.name = "layersediting"; + item.tooltip = GUI::L_str("Layers editing"); + item.sprite_id = 9; + item.is_toggable = true; + item.action_callback = &m_action_layersediting_callback; + if (!m_toolbar.add_item(item)) + return false; + + if (!m_toolbar.add_separator()) + return false; + + item.name = "selectbyparts"; + item.tooltip = GUI::L_str("Select by parts"); + item.sprite_id = 10; + item.is_toggable = true; + item.action_callback = &m_action_selectbyparts_callback; + if (!m_toolbar.add_item(item)) + return false; + + enable_toolbar_item("add", true); + + return true; +} + +void GLCanvas3D::_resize(unsigned int w, unsigned int h) +{ + if ((m_canvas == nullptr) && (m_context == nullptr)) + return; + + // ensures that this canvas is current + set_current(); + ::glViewport(0, 0, w, h); + + ::glMatrixMode(GL_PROJECTION); + ::glLoadIdentity(); + + const BoundingBoxf3& bbox = _max_bounding_box(); + + switch (m_camera.type) + { + case Camera::Ortho: + { + float w2 = w; + float h2 = h; + float two_zoom = 2.0f * get_camera_zoom(); + if (two_zoom != 0.0f) + { + float inv_two_zoom = 1.0f / two_zoom; + w2 *= inv_two_zoom; + h2 *= inv_two_zoom; + } + + // FIXME: calculate a tighter value for depth will improve z-fighting + float depth = 5.0f * (float)bbox.max_size(); + ::glOrtho(-w2, w2, -h2, h2, -depth, depth); + + break; + } +// case Camera::Perspective: +// { +// float bbox_r = (float)bbox.radius(); +// float fov = PI * 45.0f / 180.0f; +// float fov_tan = tan(0.5f * fov); +// float cam_distance = 0.5f * bbox_r / fov_tan; +// m_camera.distance = cam_distance; +// +// float nr = cam_distance - bbox_r * 1.1f; +// float fr = cam_distance + bbox_r * 1.1f; +// if (nr < 1.0f) +// nr = 1.0f; +// +// if (fr < nr + 1.0f) +// fr = nr + 1.0f; +// +// float h2 = fov_tan * nr; +// float w2 = h2 * w / h; +// ::glFrustum(-w2, w2, -h2, h2, nr, fr); +// +// break; +// } + default: + { + throw std::runtime_error("Invalid camera type."); + break; + } + } + + ::glMatrixMode(GL_MODELVIEW); + + m_dirty = false; +} + +BoundingBoxf3 GLCanvas3D::_max_bounding_box() const +{ + BoundingBoxf3 bb = m_bed.get_bounding_box(); + bb.merge(volumes_bounding_box()); + return bb; +} + +BoundingBoxf3 GLCanvas3D::_selected_volumes_bounding_box() const +{ + BoundingBoxf3 bb; + + std::vector<const GLVolume*> selected_volumes; + for (const GLVolume* volume : m_volumes.volumes) + { + if ((volume != nullptr) && !volume->is_wipe_tower && volume->selected) + selected_volumes.push_back(volume); + } + + bool use_drag_group_id = selected_volumes.size() > 1; + if (use_drag_group_id) + { + int drag_group_id = selected_volumes[0]->drag_group_id; + for (const GLVolume* volume : selected_volumes) + { + if (drag_group_id != volume->drag_group_id) + { + use_drag_group_id = false; + break; + } + } + } + + if (use_drag_group_id) + { + for (const GLVolume* volume : selected_volumes) + { + bb.merge(volume->bounding_box); + } + + bb = bb.transformed(selected_volumes[0]->world_matrix().cast<double>()); + } + else + { + for (const GLVolume* volume : selected_volumes) + { + bb.merge(volume->transformed_bounding_box()); + } + } + + return bb; +} + +void GLCanvas3D::_zoom_to_bounding_box(const BoundingBoxf3& bbox) +{ + // Calculate the zoom factor needed to adjust viewport to bounding box. + float zoom = _get_zoom_to_bounding_box_factor(bbox); + if (zoom > 0.0f) + { + m_camera.zoom = zoom; + // center view around bounding box center + m_camera.target = bbox.center(); + + m_on_viewport_changed_callback.call(); + + _refresh_if_shown_on_screen(); + } +} + +float GLCanvas3D::_get_zoom_to_bounding_box_factor(const BoundingBoxf3& bbox) const +{ + float max_bb_size = bbox.max_size(); + if (max_bb_size == 0.0f) + return -1.0f; + + // project the bbox vertices on a plane perpendicular to the camera forward axis + // then calculates the vertices coordinate on this plane along the camera xy axes + + // we need the view matrix, we let opengl calculate it (same as done in render()) + _camera_tranform(); + + // get the view matrix back from opengl + GLfloat matrix[16]; + ::glGetFloatv(GL_MODELVIEW_MATRIX, matrix); + + // camera axes + Vec3d right((double)matrix[0], (double)matrix[4], (double)matrix[8]); + Vec3d up((double)matrix[1], (double)matrix[5], (double)matrix[9]); + Vec3d forward((double)matrix[2], (double)matrix[6], (double)matrix[10]); + + Vec3d bb_min = bbox.min; + Vec3d bb_max = bbox.max; + Vec3d bb_center = bbox.center(); + + // bbox vertices in world space + std::vector<Vec3d> vertices; + vertices.reserve(8); + vertices.push_back(bb_min); + vertices.emplace_back(bb_max(0), bb_min(1), bb_min(2)); + vertices.emplace_back(bb_max(0), bb_max(1), bb_min(2)); + vertices.emplace_back(bb_min(0), bb_max(1), bb_min(2)); + vertices.emplace_back(bb_min(0), bb_min(1), bb_max(2)); + vertices.emplace_back(bb_max(0), bb_min(1), bb_max(2)); + vertices.push_back(bb_max); + vertices.emplace_back(bb_min(0), bb_max(1), bb_max(2)); + + double max_x = 0.0; + double max_y = 0.0; + + // margin factor to give some empty space around the bbox + double margin_factor = 1.25; + + for (const Vec3d v : vertices) + { + // project vertex on the plane perpendicular to camera forward axis + Vec3d pos(v(0) - bb_center(0), v(1) - bb_center(1), v(2) - bb_center(2)); + Vec3d proj_on_plane = pos - pos.dot(forward) * forward; + + // calculates vertex coordinate along camera xy axes + double x_on_plane = proj_on_plane.dot(right); + double y_on_plane = proj_on_plane.dot(up); + + max_x = std::max(max_x, margin_factor * std::abs(x_on_plane)); + max_y = std::max(max_y, margin_factor * std::abs(y_on_plane)); + } + + if ((max_x == 0.0) || (max_y == 0.0)) + return -1.0f; + + max_x *= 2.0; + max_y *= 2.0; + + const Size& cnv_size = get_canvas_size(); + return (float)std::min((double)cnv_size.get_width() / max_x, (double)cnv_size.get_height() / max_y); +} + +void GLCanvas3D::_deregister_callbacks() +{ + m_on_viewport_changed_callback.deregister_callback(); + m_on_double_click_callback.deregister_callback(); + m_on_right_click_callback.deregister_callback(); + m_on_select_object_callback.deregister_callback(); + m_on_model_update_callback.deregister_callback(); + m_on_remove_object_callback.deregister_callback(); + m_on_arrange_callback.deregister_callback(); + m_on_rotate_object_left_callback.deregister_callback(); + m_on_rotate_object_right_callback.deregister_callback(); + m_on_scale_object_uniformly_callback.deregister_callback(); + m_on_increase_objects_callback.deregister_callback(); + m_on_decrease_objects_callback.deregister_callback(); + m_on_instance_moved_callback.deregister_callback(); + m_on_wipe_tower_moved_callback.deregister_callback(); + m_on_enable_action_buttons_callback.deregister_callback(); + m_on_gizmo_scale_uniformly_callback.deregister_callback(); + m_on_gizmo_rotate_callback.deregister_callback(); + m_on_gizmo_flatten_callback.deregister_callback(); + m_on_update_geometry_info_callback.deregister_callback(); + + m_action_add_callback.deregister_callback(); + m_action_delete_callback.deregister_callback(); + m_action_deleteall_callback.deregister_callback(); + m_action_arrange_callback.deregister_callback(); + m_action_more_callback.deregister_callback(); + m_action_fewer_callback.deregister_callback(); + m_action_split_callback.deregister_callback(); + m_action_cut_callback.deregister_callback(); + m_action_settings_callback.deregister_callback(); + m_action_layersediting_callback.deregister_callback(); + m_action_selectbyparts_callback.deregister_callback(); +} + +void GLCanvas3D::_mark_volumes_for_layer_height() const +{ + if (m_print == nullptr) + return; + + for (GLVolume* vol : m_volumes.volumes) + { + int object_id = int(vol->select_group_id / 1000000); + int shader_id = m_layers_editing.get_shader_program_id(); + + if (is_layers_editing_enabled() && (shader_id != -1) && vol->selected && + vol->has_layer_height_texture() && (object_id < (int)m_print->objects().size())) + { + vol->set_layer_height_texture_data(m_layers_editing.get_z_texture_id(), shader_id, + m_print->get_object(object_id), _get_layers_editing_cursor_z_relative(), m_layers_editing.band_width); + } + else + vol->reset_layer_height_texture_data(); + } +} + +void GLCanvas3D::_refresh_if_shown_on_screen() +{ + if (_is_shown_on_screen()) + { + const Size& cnv_size = get_canvas_size(); + _resize((unsigned int)cnv_size.get_width(), (unsigned int)cnv_size.get_height()); + if (m_canvas != nullptr) + m_canvas->Refresh(); + } +} + +void GLCanvas3D::_camera_tranform() const +{ + ::glMatrixMode(GL_MODELVIEW); + ::glLoadIdentity(); + + ::glRotatef(-m_camera.get_theta(), 1.0f, 0.0f, 0.0f); // pitch + ::glRotatef(m_camera.phi, 0.0f, 0.0f, 1.0f); // yaw + + Vec3d neg_target = - m_camera.target; + ::glTranslatef((GLfloat)neg_target(0), (GLfloat)neg_target(1), (GLfloat)neg_target(2)); +} + +void GLCanvas3D::_picking_pass() const +{ + const Vec2d& pos = m_mouse.position; + + if (m_picking_enabled && !m_mouse.dragging && (pos != Vec2d(DBL_MAX, DBL_MAX))) + { + // Render the object for picking. + // FIXME This cannot possibly work in a multi - sampled context as the color gets mangled by the anti - aliasing. + // Better to use software ray - casting on a bounding - box hierarchy. + + if (m_multisample_allowed) + ::glDisable(GL_MULTISAMPLE); + + ::glDisable(GL_BLEND); + ::glEnable(GL_DEPTH_TEST); + + ::glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + _render_volumes(true); + m_gizmos.render_current_gizmo_for_picking_pass(_selected_volumes_bounding_box()); + + if (m_multisample_allowed) + ::glEnable(GL_MULTISAMPLE); + + int volume_id = -1; + for (GLVolume* vol : m_volumes.volumes) + { + vol->hover = false; + } + + GLubyte color[4] = { 0, 0, 0, 0 }; + const Size& cnv_size = get_canvas_size(); + bool inside = (0 <= pos(0)) && (pos(0) < cnv_size.get_width()) && (0 <= pos(1)) && (pos(1) < cnv_size.get_height()); + if (inside) + { + ::glReadPixels(pos(0), cnv_size.get_height() - pos(1) - 1, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, (void*)color); + volume_id = color[0] + color[1] * 256 + color[2] * 256 * 256; + } + + if ((0 <= volume_id) && (volume_id < (int)m_volumes.volumes.size())) + { + m_hover_volume_id = volume_id; + m_volumes.volumes[volume_id]->hover = true; + int group_id = m_volumes.volumes[volume_id]->select_group_id; + if (group_id != -1) + { + for (GLVolume* vol : m_volumes.volumes) + { + if (vol->select_group_id == group_id) + vol->hover = true; + } + } + m_gizmos.set_hover_id(-1); + } + else + { + m_hover_volume_id = -1; + m_gizmos.set_hover_id(inside ? (254 - (int)color[2]) : -1); + } + + // updates gizmos overlay + if (_get_first_selected_object_id() != -1) + m_gizmos.update_hover_state(*this, pos); + else + m_gizmos.reset_all_states(); + + m_toolbar.update_hover_state(pos); + } +} + +void GLCanvas3D::_render_background() const +{ + ::glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + ::glPushMatrix(); + ::glLoadIdentity(); + ::glMatrixMode(GL_PROJECTION); + ::glPushMatrix(); + ::glLoadIdentity(); + + // Draws a bluish bottom to top gradient over the complete screen. + ::glDisable(GL_DEPTH_TEST); + + ::glBegin(GL_QUADS); + ::glColor3f(0.0f, 0.0f, 0.0f); + ::glVertex2f(-1.0f, -1.0f); + ::glVertex2f(1.0f, -1.0f); + + if (m_dynamic_background_enabled && _is_any_volume_outside()) + ::glColor3f(ERROR_BG_COLOR[0], ERROR_BG_COLOR[1], ERROR_BG_COLOR[2]); + else + ::glColor3f(DEFAULT_BG_COLOR[0], DEFAULT_BG_COLOR[1], DEFAULT_BG_COLOR[2]); + + ::glVertex2f(1.0f, 1.0f); + ::glVertex2f(-1.0f, 1.0f); + ::glEnd(); + + ::glEnable(GL_DEPTH_TEST); + + ::glPopMatrix(); + ::glMatrixMode(GL_MODELVIEW); + ::glPopMatrix(); +} + +void GLCanvas3D::_render_bed(float theta) const +{ + m_bed.render(theta); +} + +void GLCanvas3D::_render_axes(bool depth_test) const +{ + m_axes.render(depth_test); +} + +void GLCanvas3D::_render_objects() const +{ + if (m_volumes.empty()) + return; + + ::glEnable(GL_LIGHTING); + ::glEnable(GL_DEPTH_TEST); + + if (!m_shader_enabled) + _render_volumes(false); + else if (m_use_VBOs) + { + if (m_picking_enabled) + { + _mark_volumes_for_layer_height(); + + if (m_config != nullptr) + { + const BoundingBoxf3& bed_bb = m_bed.get_bounding_box(); + m_volumes.set_print_box((float)bed_bb.min(0), (float)bed_bb.min(1), 0.0f, (float)bed_bb.max(0), (float)bed_bb.max(1), (float)m_config->opt_float("max_print_height")); + m_volumes.check_outside_state(m_config, nullptr); + } + // do not cull backfaces to show broken geometry, if any + ::glDisable(GL_CULL_FACE); + } + + m_shader.start_using(); + m_volumes.render_VBOs(); + m_shader.stop_using(); + + if (m_picking_enabled) + ::glEnable(GL_CULL_FACE); + } + else + { + // do not cull backfaces to show broken geometry, if any + if (m_picking_enabled) + ::glDisable(GL_CULL_FACE); + + m_volumes.render_legacy(); + + if (m_picking_enabled) + ::glEnable(GL_CULL_FACE); + } + + ::glDisable(GL_LIGHTING); +} + +void GLCanvas3D::_render_cutting_plane() const +{ + m_cutting_plane.render(volumes_bounding_box()); +} + +void GLCanvas3D::_render_warning_texture() const +{ + if (!m_warning_texture_enabled) + return; + + m_warning_texture.render(*this); +} + +void GLCanvas3D::_render_legend_texture() const +{ + if (!m_legend_texture_enabled) + return; + + m_legend_texture.render(*this); +} + +void GLCanvas3D::_render_layer_editing_overlay() const +{ + if (m_print == nullptr) + return; + + GLVolume* volume = nullptr; + + for (GLVolume* vol : m_volumes.volumes) + { + if ((vol != nullptr) && vol->selected && vol->has_layer_height_texture()) + { + volume = vol; + break; + } + } + + if (volume == nullptr) + return; + + // If the active object was not allocated at the Print, go away.This should only be a momentary case between an object addition / deletion + // and an update by Platter::async_apply_config. + int object_idx = int(volume->select_group_id / 1000000); + if ((int)m_print->objects().size() < object_idx) + return; + + const PrintObject* print_object = m_print->get_object(object_idx); + if (print_object == nullptr) + return; + + m_layers_editing.render(*this, *print_object, *volume); +} + +void GLCanvas3D::_render_volumes(bool fake_colors) const +{ + static const GLfloat INV_255 = 1.0f / 255.0f; + + if (!fake_colors) + ::glEnable(GL_LIGHTING); + + // do not cull backfaces to show broken geometry, if any + ::glDisable(GL_CULL_FACE); + + ::glEnable(GL_BLEND); + ::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + ::glEnableClientState(GL_VERTEX_ARRAY); + ::glEnableClientState(GL_NORMAL_ARRAY); + + unsigned int volume_id = 0; + for (GLVolume* vol : m_volumes.volumes) + { + if (fake_colors) + { + // Object picking mode. Render the object with a color encoding the object index. + unsigned int r = (volume_id & 0x000000FF) >> 0; + unsigned int g = (volume_id & 0x0000FF00) >> 8; + unsigned int b = (volume_id & 0x00FF0000) >> 16; + ::glColor3f((GLfloat)r * INV_255, (GLfloat)g * INV_255, (GLfloat)b * INV_255); + } + else + { + vol->set_render_color(); + ::glColor4f(vol->render_color[0], vol->render_color[1], vol->render_color[2], vol->render_color[3]); + } + + vol->render(); + ++volume_id; + } + + ::glDisableClientState(GL_NORMAL_ARRAY); + ::glDisableClientState(GL_VERTEX_ARRAY); + ::glDisable(GL_BLEND); + + ::glEnable(GL_CULL_FACE); + + if (!fake_colors) + ::glDisable(GL_LIGHTING); +} + +void GLCanvas3D::_render_current_gizmo() const +{ + m_gizmos.render_current_gizmo(_selected_volumes_bounding_box()); +} + +void GLCanvas3D::_render_gizmos_overlay() const +{ + m_gizmos.render_overlay(*this); +} + +void GLCanvas3D::_render_toolbar() const +{ + _resize_toolbar(); + m_toolbar.render(); +} + +float GLCanvas3D::_get_layers_editing_cursor_z_relative() const +{ + return m_layers_editing.get_cursor_z_relative(*this); +} + +void GLCanvas3D::_perform_layer_editing_action(wxMouseEvent* evt) +{ + int object_idx_selected = m_layers_editing.last_object_id; + if (object_idx_selected == -1) + return; + + if (m_print == nullptr) + return; + + const PrintObject* selected_obj = m_print->get_object(object_idx_selected); + if (selected_obj == nullptr) + return; + + // A volume is selected. Test, whether hovering over a layer thickness bar. + if (evt != nullptr) + { + const Rect& rect = LayersEditing::get_bar_rect_screen(*this); + float b = rect.get_bottom(); + m_layers_editing.last_z = unscale<double>(selected_obj->size(2)) * (b - evt->GetY() - 1.0f) / (b - rect.get_top()); + m_layers_editing.last_action = evt->ShiftDown() ? (evt->RightIsDown() ? 3 : 2) : (evt->RightIsDown() ? 0 : 1); + } + + // Mark the volume as modified, so Print will pick its layer height profile ? Where to mark it ? + // Start a timer to refresh the print ? schedule_background_process() ? + // The PrintObject::adjust_layer_height_profile() call adjusts the profile of its associated ModelObject, it does not modify the profile of the PrintObject itself, + // therefore it is safe to call it while the background processing is running. + const_cast<PrintObject*>(selected_obj)->adjust_layer_height_profile(m_layers_editing.last_z, m_layers_editing.strength, m_layers_editing.band_width, m_layers_editing.last_action); + + // searches the id of the first volume of the selected object + int volume_idx = 0; + for (int i = 0; i < object_idx_selected; ++i) + { + const PrintObject* obj = m_print->get_object(i); + if (obj != nullptr) + { + for (int j = 0; j < (int)obj->region_volumes.size(); ++j) + { + volume_idx += (int)obj->region_volumes[j].size(); + } + } + } + + m_volumes.volumes[volume_idx]->generate_layer_height_texture(selected_obj, 1); + _refresh_if_shown_on_screen(); + + // Automatic action on mouse down with the same coordinate. + _start_timer(); +} + +Vec3d GLCanvas3D::_mouse_to_3d(const Point& mouse_pos, float* z) +{ + if (m_canvas == nullptr) + return Vec3d(DBL_MAX, DBL_MAX, DBL_MAX); + + _camera_tranform(); + + GLint viewport[4]; + ::glGetIntegerv(GL_VIEWPORT, viewport); + GLdouble modelview_matrix[16]; + ::glGetDoublev(GL_MODELVIEW_MATRIX, modelview_matrix); + GLdouble projection_matrix[16]; + ::glGetDoublev(GL_PROJECTION_MATRIX, projection_matrix); + + GLint y = viewport[3] - (GLint)mouse_pos(1); + GLfloat mouse_z; + if (z == nullptr) + ::glReadPixels((GLint)mouse_pos(0), y, 1, 1, GL_DEPTH_COMPONENT, GL_FLOAT, (void*)&mouse_z); + else + mouse_z = *z; + + GLdouble out_x, out_y, out_z; + ::gluUnProject((GLdouble)mouse_pos(0), (GLdouble)y, (GLdouble)mouse_z, modelview_matrix, projection_matrix, viewport, &out_x, &out_y, &out_z); + return Vec3d((double)out_x, (double)out_y, (double)out_z); +} + +Vec3d GLCanvas3D::_mouse_to_bed_3d(const Point& mouse_pos) +{ + return mouse_ray(mouse_pos).intersect_plane(0.0); +} + +Linef3 GLCanvas3D::mouse_ray(const Point& mouse_pos) +{ + float z0 = 0.0f; + float z1 = 1.0f; + return Linef3(_mouse_to_3d(mouse_pos, &z0), _mouse_to_3d(mouse_pos, &z1)); +} + +void GLCanvas3D::_start_timer() +{ + if (m_timer != nullptr) + m_timer->Start(100, wxTIMER_CONTINUOUS); +} + +void GLCanvas3D::_stop_timer() +{ + if (m_timer != nullptr) + m_timer->Stop(); +} + +int GLCanvas3D::_get_first_selected_object_id() const +{ + if (m_print != nullptr) + { + int objects_count = (int)m_print->objects().size(); + + for (const GLVolume* vol : m_volumes.volumes) + { + if ((vol != nullptr) && vol->selected) + { + int object_id = vol->select_group_id / 1000000; + // Objects with object_id >= 1000 have a specific meaning, for example the wipe tower proxy. + if (object_id < 10000) + return (object_id >= objects_count) ? -1 : object_id; + } + } + } + return -1; +} + +int GLCanvas3D::_get_first_selected_volume_id(int object_id) const +{ + int volume_id = -1; + + for (const GLVolume* vol : m_volumes.volumes) + { + ++volume_id; + if ((vol != nullptr) && vol->selected && (object_id == vol->select_group_id / 1000000)) + return volume_id; + } + + return -1; +} + +void GLCanvas3D::_load_print_toolpaths() +{ + // ensures this canvas is current + if (!set_current()) + return; + + if (m_print == nullptr) + return; + + if (!m_print->is_step_done(psSkirt) || !m_print->is_step_done(psBrim)) + return; + + if (!m_print->has_skirt() && (m_print->config().brim_width.value == 0)) + return; + + const float color[] = { 0.5f, 1.0f, 0.5f, 1.0f }; // greenish + + // number of skirt layers + size_t total_layer_count = 0; + for (const PrintObject* print_object : m_print->objects()) + { + total_layer_count = std::max(total_layer_count, print_object->total_layer_count()); + } + size_t skirt_height = m_print->has_infinite_skirt() ? total_layer_count : std::min<size_t>(m_print->config().skirt_height.value, total_layer_count); + if ((skirt_height == 0) && (m_print->config().brim_width.value > 0)) + skirt_height = 1; + + // get first skirt_height layers (maybe this should be moved to a PrintObject method?) + const PrintObject* object0 = m_print->objects().front(); + std::vector<float> print_zs; + print_zs.reserve(skirt_height * 2); + for (size_t i = 0; i < std::min(skirt_height, object0->layers().size()); ++i) + { + print_zs.push_back(float(object0->layers()[i]->print_z)); + } + //FIXME why there are support layers? + for (size_t i = 0; i < std::min(skirt_height, object0->support_layers().size()); ++i) + { + print_zs.push_back(float(object0->support_layers()[i]->print_z)); + } + sort_remove_duplicates(print_zs); + if (print_zs.size() > skirt_height) + print_zs.erase(print_zs.begin() + skirt_height, print_zs.end()); + + m_volumes.volumes.emplace_back(new GLVolume(color)); + GLVolume& volume = *m_volumes.volumes.back(); + for (size_t i = 0; i < skirt_height; ++i) { + volume.print_zs.push_back(print_zs[i]); + volume.offsets.push_back(volume.indexed_vertex_array.quad_indices.size()); + volume.offsets.push_back(volume.indexed_vertex_array.triangle_indices.size()); + if (i == 0) + _3DScene::extrusionentity_to_verts(m_print->brim(), print_zs[i], Point(0, 0), volume); + + _3DScene::extrusionentity_to_verts(m_print->skirt(), print_zs[i], Point(0, 0), volume); + } + volume.bounding_box = volume.indexed_vertex_array.bounding_box(); + volume.indexed_vertex_array.finalize_geometry(m_use_VBOs && m_initialized); +} + +void GLCanvas3D::_load_print_object_toolpaths(const PrintObject& print_object, const std::vector<std::string>& str_tool_colors) +{ + std::vector<float> tool_colors = _parse_colors(str_tool_colors); + + struct Ctxt + { + const Points *shifted_copies; + std::vector<const Layer*> layers; + bool has_perimeters; + bool has_infill; + bool has_support; + const std::vector<float>* tool_colors; + + // Number of vertices (each vertex is 6x4=24 bytes long) + static const size_t alloc_size_max() { return 131072; } // 3.15MB + // static const size_t alloc_size_max () { return 65536; } // 1.57MB + // static const size_t alloc_size_max () { return 32768; } // 786kB + static const size_t alloc_size_reserve() { return alloc_size_max() * 2; } + + static const float* color_perimeters() { static float color[4] = { 1.0f, 1.0f, 0.0f, 1.f }; return color; } // yellow + static const float* color_infill() { static float color[4] = { 1.0f, 0.5f, 0.5f, 1.f }; return color; } // redish + static const float* color_support() { static float color[4] = { 0.5f, 1.0f, 0.5f, 1.f }; return color; } // greenish + + // For cloring by a tool, return a parsed color. + bool color_by_tool() const { return tool_colors != nullptr; } + size_t number_tools() const { return this->color_by_tool() ? tool_colors->size() / 4 : 0; } + const float* color_tool(size_t tool) const { return tool_colors->data() + tool * 4; } + int volume_idx(int extruder, int feature) const + { + return this->color_by_tool() ? std::min<int>(this->number_tools() - 1, std::max<int>(extruder - 1, 0)) : feature; + } + } ctxt; + + ctxt.shifted_copies = &print_object.copies(); + + // order layers by print_z + ctxt.layers.reserve(print_object.layers().size() + print_object.support_layers().size()); + for (const Layer *layer : print_object.layers()) + ctxt.layers.push_back(layer); + for (const Layer *layer : print_object.support_layers()) + ctxt.layers.push_back(layer); + std::sort(ctxt.layers.begin(), ctxt.layers.end(), [](const Layer *l1, const Layer *l2) { return l1->print_z < l2->print_z; }); + + // Maximum size of an allocation block: 32MB / sizeof(float) + ctxt.has_perimeters = print_object.is_step_done(posPerimeters); + ctxt.has_infill = print_object.is_step_done(posInfill); + ctxt.has_support = print_object.is_step_done(posSupportMaterial); + ctxt.tool_colors = tool_colors.empty() ? nullptr : &tool_colors; + + BOOST_LOG_TRIVIAL(debug) << "Loading print object toolpaths in parallel - start"; + + //FIXME Improve the heuristics for a grain size. + size_t grain_size = std::max(ctxt.layers.size() / 16, size_t(1)); + tbb::spin_mutex new_volume_mutex; + auto new_volume = [this, &new_volume_mutex](const float *color) -> GLVolume* { + auto *volume = new GLVolume(color); + new_volume_mutex.lock(); + m_volumes.volumes.emplace_back(volume); + new_volume_mutex.unlock(); + return volume; + }; + const size_t volumes_cnt_initial = m_volumes.volumes.size(); + std::vector<GLVolumeCollection> volumes_per_thread(ctxt.layers.size()); + tbb::parallel_for( + tbb::blocked_range<size_t>(0, ctxt.layers.size(), grain_size), + [&ctxt, &new_volume](const tbb::blocked_range<size_t>& range) { + std::vector<GLVolume*> vols; + if (ctxt.color_by_tool()) { + for (size_t i = 0; i < ctxt.number_tools(); ++i) + vols.emplace_back(new_volume(ctxt.color_tool(i))); + } + else + vols = { new_volume(ctxt.color_perimeters()), new_volume(ctxt.color_infill()), new_volume(ctxt.color_support()) }; + for (GLVolume *vol : vols) + vol->indexed_vertex_array.reserve(ctxt.alloc_size_reserve()); + for (size_t idx_layer = range.begin(); idx_layer < range.end(); ++idx_layer) { + const Layer *layer = ctxt.layers[idx_layer]; + for (size_t i = 0; i < vols.size(); ++i) { + GLVolume &vol = *vols[i]; + if (vol.print_zs.empty() || vol.print_zs.back() != layer->print_z) { + vol.print_zs.push_back(layer->print_z); + vol.offsets.push_back(vol.indexed_vertex_array.quad_indices.size()); + vol.offsets.push_back(vol.indexed_vertex_array.triangle_indices.size()); + } + } + for (const Point © : *ctxt.shifted_copies) { + for (const LayerRegion *layerm : layer->regions()) { + if (ctxt.has_perimeters) + _3DScene::extrusionentity_to_verts(layerm->perimeters, float(layer->print_z), copy, + *vols[ctxt.volume_idx(layerm->region()->config().perimeter_extruder.value, 0)]); + if (ctxt.has_infill) { + for (const ExtrusionEntity *ee : layerm->fills.entities) { + // fill represents infill extrusions of a single island. + const auto *fill = dynamic_cast<const ExtrusionEntityCollection*>(ee); + if (!fill->entities.empty()) + _3DScene::extrusionentity_to_verts(*fill, float(layer->print_z), copy, + *vols[ctxt.volume_idx( + is_solid_infill(fill->entities.front()->role()) ? + layerm->region()->config().solid_infill_extruder : + layerm->region()->config().infill_extruder, + 1)]); + } + } + } + if (ctxt.has_support) { + const SupportLayer *support_layer = dynamic_cast<const SupportLayer*>(layer); + if (support_layer) { + for (const ExtrusionEntity *extrusion_entity : support_layer->support_fills.entities) + _3DScene::extrusionentity_to_verts(extrusion_entity, float(layer->print_z), copy, + *vols[ctxt.volume_idx( + (extrusion_entity->role() == erSupportMaterial) ? + support_layer->object()->config().support_material_extruder : + support_layer->object()->config().support_material_interface_extruder, + 2)]); + } + } + } + for (size_t i = 0; i < vols.size(); ++i) { + GLVolume &vol = *vols[i]; + if (vol.indexed_vertex_array.vertices_and_normals_interleaved.size() / 6 > ctxt.alloc_size_max()) { + // Store the vertex arrays and restart their containers, + vols[i] = new_volume(vol.color); + GLVolume &vol_new = *vols[i]; + // Assign the large pre-allocated buffers to the new GLVolume. + vol_new.indexed_vertex_array = std::move(vol.indexed_vertex_array); + // Copy the content back to the old GLVolume. + vol.indexed_vertex_array = vol_new.indexed_vertex_array; + // Finalize a bounding box of the old GLVolume. + vol.bounding_box = vol.indexed_vertex_array.bounding_box(); + // Clear the buffers, but keep them pre-allocated. + vol_new.indexed_vertex_array.clear(); + // Just make sure that clear did not clear the reserved memory. + vol_new.indexed_vertex_array.reserve(ctxt.alloc_size_reserve()); + } + } + } + for (GLVolume *vol : vols) { + vol->bounding_box = vol->indexed_vertex_array.bounding_box(); + vol->indexed_vertex_array.shrink_to_fit(); + } + }); + + BOOST_LOG_TRIVIAL(debug) << "Loading print object toolpaths in parallel - finalizing results"; + // Remove empty volumes from the newly added volumes. + m_volumes.volumes.erase( + std::remove_if(m_volumes.volumes.begin() + volumes_cnt_initial, m_volumes.volumes.end(), + [](const GLVolume *volume) { return volume->empty(); }), + m_volumes.volumes.end()); + for (size_t i = volumes_cnt_initial; i < m_volumes.volumes.size(); ++i) + m_volumes.volumes[i]->indexed_vertex_array.finalize_geometry(m_use_VBOs && m_initialized); + + BOOST_LOG_TRIVIAL(debug) << "Loading print object toolpaths in parallel - end"; +} + +void GLCanvas3D::_load_wipe_tower_toolpaths(const std::vector<std::string>& str_tool_colors) +{ + if ((m_print == nullptr) || m_print->wipe_tower_data().tool_changes.empty()) + return; + + if (!m_print->is_step_done(psWipeTower)) + return; + + std::vector<float> tool_colors = _parse_colors(str_tool_colors); + + struct Ctxt + { + const Print *print; + const std::vector<float> *tool_colors; + WipeTower::xy wipe_tower_pos; + float wipe_tower_angle; + + // Number of vertices (each vertex is 6x4=24 bytes long) + static const size_t alloc_size_max() { return 131072; } // 3.15MB + static const size_t alloc_size_reserve() { return alloc_size_max() * 2; } + + static const float* color_support() { static float color[4] = { 0.5f, 1.0f, 0.5f, 1.f }; return color; } // greenish + + // For cloring by a tool, return a parsed color. + bool color_by_tool() const { return tool_colors != nullptr; } + size_t number_tools() const { return this->color_by_tool() ? tool_colors->size() / 4 : 0; } + const float* color_tool(size_t tool) const { return tool_colors->data() + tool * 4; } + int volume_idx(int tool, int feature) const + { + return this->color_by_tool() ? std::min<int>(this->number_tools() - 1, std::max<int>(tool, 0)) : feature; + } + + const std::vector<WipeTower::ToolChangeResult>& tool_change(size_t idx) { + const auto &tool_changes = print->wipe_tower_data().tool_changes; + return priming.empty() ? + ((idx == tool_changes.size()) ? final : tool_changes[idx]) : + ((idx == 0) ? priming : (idx == tool_changes.size() + 1) ? final : tool_changes[idx - 1]); + } + std::vector<WipeTower::ToolChangeResult> priming; + std::vector<WipeTower::ToolChangeResult> final; + } ctxt; + + ctxt.print = m_print; + ctxt.tool_colors = tool_colors.empty() ? nullptr : &tool_colors; + if (m_print->wipe_tower_data().priming && m_print->config().single_extruder_multi_material_priming) + ctxt.priming.emplace_back(*m_print->wipe_tower_data().priming.get()); + if (m_print->wipe_tower_data().final_purge) + ctxt.final.emplace_back(*m_print->wipe_tower_data().final_purge.get()); + + ctxt.wipe_tower_angle = ctxt.print->config().wipe_tower_rotation_angle.value/180.f * PI; + ctxt.wipe_tower_pos = WipeTower::xy(ctxt.print->config().wipe_tower_x.value, ctxt.print->config().wipe_tower_y.value); + + BOOST_LOG_TRIVIAL(debug) << "Loading wipe tower toolpaths in parallel - start"; + + //FIXME Improve the heuristics for a grain size. + size_t n_items = m_print->wipe_tower_data().tool_changes.size() + (ctxt.priming.empty() ? 0 : 1); + size_t grain_size = std::max(n_items / 128, size_t(1)); + tbb::spin_mutex new_volume_mutex; + auto new_volume = [this, &new_volume_mutex](const float *color) -> GLVolume* { + auto *volume = new GLVolume(color); + new_volume_mutex.lock(); + m_volumes.volumes.emplace_back(volume); + new_volume_mutex.unlock(); + return volume; + }; + const size_t volumes_cnt_initial = m_volumes.volumes.size(); + std::vector<GLVolumeCollection> volumes_per_thread(n_items); + tbb::parallel_for( + tbb::blocked_range<size_t>(0, n_items, grain_size), + [&ctxt, &new_volume](const tbb::blocked_range<size_t>& range) { + // Bounding box of this slab of a wipe tower. + std::vector<GLVolume*> vols; + if (ctxt.color_by_tool()) { + for (size_t i = 0; i < ctxt.number_tools(); ++i) + vols.emplace_back(new_volume(ctxt.color_tool(i))); + } + else + vols = { new_volume(ctxt.color_support()) }; + for (GLVolume *volume : vols) + volume->indexed_vertex_array.reserve(ctxt.alloc_size_reserve()); + for (size_t idx_layer = range.begin(); idx_layer < range.end(); ++idx_layer) { + const std::vector<WipeTower::ToolChangeResult> &layer = ctxt.tool_change(idx_layer); + for (size_t i = 0; i < vols.size(); ++i) { + GLVolume &vol = *vols[i]; + if (vol.print_zs.empty() || vol.print_zs.back() != layer.front().print_z) { + vol.print_zs.push_back(layer.front().print_z); + vol.offsets.push_back(vol.indexed_vertex_array.quad_indices.size()); + vol.offsets.push_back(vol.indexed_vertex_array.triangle_indices.size()); + } + } + for (const WipeTower::ToolChangeResult &extrusions : layer) { + for (size_t i = 1; i < extrusions.extrusions.size();) { + const WipeTower::Extrusion &e = extrusions.extrusions[i]; + if (e.width == 0.) { + ++i; + continue; + } + size_t j = i + 1; + if (ctxt.color_by_tool()) + for (; j < extrusions.extrusions.size() && extrusions.extrusions[j].tool == e.tool && extrusions.extrusions[j].width > 0.f; ++j); + else + for (; j < extrusions.extrusions.size() && extrusions.extrusions[j].width > 0.f; ++j); + size_t n_lines = j - i; + Lines lines; + std::vector<double> widths; + std::vector<double> heights; + lines.reserve(n_lines); + widths.reserve(n_lines); + heights.assign(n_lines, extrusions.layer_height); + WipeTower::Extrusion e_prev = extrusions.extrusions[i-1]; + + if (!extrusions.priming) { // wipe tower extrusions describe the wipe tower at the origin with no rotation + e_prev.pos.rotate(ctxt.wipe_tower_angle); + e_prev.pos.translate(ctxt.wipe_tower_pos); + } + + for (; i < j; ++i) { + WipeTower::Extrusion e = extrusions.extrusions[i]; + assert(e.width > 0.f); + if (!extrusions.priming) { + e.pos.rotate(ctxt.wipe_tower_angle); + e.pos.translate(ctxt.wipe_tower_pos); + } + + lines.emplace_back(Point::new_scale(e_prev.pos.x, e_prev.pos.y), Point::new_scale(e.pos.x, e.pos.y)); + widths.emplace_back(e.width); + + e_prev = e; + } + _3DScene::thick_lines_to_verts(lines, widths, heights, lines.front().a == lines.back().b, extrusions.print_z, + *vols[ctxt.volume_idx(e.tool, 0)]); + } + } + } + for (size_t i = 0; i < vols.size(); ++i) { + GLVolume &vol = *vols[i]; + if (vol.indexed_vertex_array.vertices_and_normals_interleaved.size() / 6 > ctxt.alloc_size_max()) { + // Store the vertex arrays and restart their containers, + vols[i] = new_volume(vol.color); + GLVolume &vol_new = *vols[i]; + // Assign the large pre-allocated buffers to the new GLVolume. + vol_new.indexed_vertex_array = std::move(vol.indexed_vertex_array); + // Copy the content back to the old GLVolume. + vol.indexed_vertex_array = vol_new.indexed_vertex_array; + // Finalize a bounding box of the old GLVolume. + vol.bounding_box = vol.indexed_vertex_array.bounding_box(); + // Clear the buffers, but keep them pre-allocated. + vol_new.indexed_vertex_array.clear(); + // Just make sure that clear did not clear the reserved memory. + vol_new.indexed_vertex_array.reserve(ctxt.alloc_size_reserve()); + } + } + for (GLVolume *vol : vols) { + vol->bounding_box = vol->indexed_vertex_array.bounding_box(); + vol->indexed_vertex_array.shrink_to_fit(); + } + }); + + BOOST_LOG_TRIVIAL(debug) << "Loading wipe tower toolpaths in parallel - finalizing results"; + // Remove empty volumes from the newly added volumes. + m_volumes.volumes.erase( + std::remove_if(m_volumes.volumes.begin() + volumes_cnt_initial, m_volumes.volumes.end(), + [](const GLVolume *volume) { return volume->empty(); }), + m_volumes.volumes.end()); + for (size_t i = volumes_cnt_initial; i < m_volumes.volumes.size(); ++i) + m_volumes.volumes[i]->indexed_vertex_array.finalize_geometry(m_use_VBOs && m_initialized); + + BOOST_LOG_TRIVIAL(debug) << "Loading wipe tower toolpaths in parallel - end"; +} + +static inline int hex_digit_to_int(const char c) +{ + return + (c >= '0' && c <= '9') ? int(c - '0') : + (c >= 'A' && c <= 'F') ? int(c - 'A') + 10 : + (c >= 'a' && c <= 'f') ? int(c - 'a') + 10 : -1; +} + +void GLCanvas3D::_load_gcode_extrusion_paths(const GCodePreviewData& preview_data, const std::vector<float>& tool_colors) +{ + // helper functions to select data in dependence of the extrusion view type + struct Helper + { + static float path_filter(GCodePreviewData::Extrusion::EViewType type, const ExtrusionPath& path) + { + switch (type) + { + case GCodePreviewData::Extrusion::FeatureType: + return (float)path.role(); + case GCodePreviewData::Extrusion::Height: + return path.height; + case GCodePreviewData::Extrusion::Width: + return path.width; + case GCodePreviewData::Extrusion::Feedrate: + return path.feedrate; + case GCodePreviewData::Extrusion::VolumetricRate: + return path.feedrate * (float)path.mm3_per_mm; + case GCodePreviewData::Extrusion::Tool: + return (float)path.extruder_id; + default: + return 0.0f; + } + + return 0.0f; + } + + static GCodePreviewData::Color path_color(const GCodePreviewData& data, const std::vector<float>& tool_colors, float value) + { + switch (data.extrusion.view_type) + { + case GCodePreviewData::Extrusion::FeatureType: + return data.get_extrusion_role_color((ExtrusionRole)(int)value); + case GCodePreviewData::Extrusion::Height: + return data.get_height_color(value); + case GCodePreviewData::Extrusion::Width: + return data.get_width_color(value); + case GCodePreviewData::Extrusion::Feedrate: + return data.get_feedrate_color(value); + case GCodePreviewData::Extrusion::VolumetricRate: + return data.get_volumetric_rate_color(value); + case GCodePreviewData::Extrusion::Tool: + { + GCodePreviewData::Color color; + ::memcpy((void*)color.rgba, (const void*)(tool_colors.data() + (unsigned int)value * 4), 4 * sizeof(float)); + return color; + } + default: + return GCodePreviewData::Color::Dummy; + } + + return GCodePreviewData::Color::Dummy; + } + }; + + // Helper structure for filters + struct Filter + { + float value; + ExtrusionRole role; + GLVolume* volume; + + Filter(float value, ExtrusionRole role) + : value(value) + , role(role) + , volume(nullptr) + { + } + + bool operator == (const Filter& other) const + { + if (value != other.value) + return false; + + if (role != other.role) + return false; + + return true; + } + }; + + typedef std::vector<Filter> FiltersList; + size_t initial_volumes_count = m_volumes.volumes.size(); + + // detects filters + FiltersList filters; + for (const GCodePreviewData::Extrusion::Layer& layer : preview_data.extrusion.layers) + { + for (const ExtrusionPath& path : layer.paths) + { + ExtrusionRole role = path.role(); + float path_filter = Helper::path_filter(preview_data.extrusion.view_type, path); + if (std::find(filters.begin(), filters.end(), Filter(path_filter, role)) == filters.end()) + filters.emplace_back(path_filter, role); + } + } + + // nothing to render, return + if (filters.empty()) + return; + + // creates a new volume for each filter + for (Filter& filter : filters) + { + m_gcode_preview_volume_index.first_volumes.emplace_back(GCodePreviewVolumeIndex::Extrusion, (unsigned int)filter.role, (unsigned int)m_volumes.volumes.size()); + GLVolume* volume = new GLVolume(Helper::path_color(preview_data, tool_colors, filter.value).rgba); + if (volume != nullptr) + { + filter.volume = volume; + volume->is_extrusion_path = true; + m_volumes.volumes.emplace_back(volume); + } + else + { + // an error occourred - restore to previous state and return + m_gcode_preview_volume_index.first_volumes.pop_back(); + if (initial_volumes_count != m_volumes.volumes.size()) + { + std::vector<GLVolume*>::iterator begin = m_volumes.volumes.begin() + initial_volumes_count; + std::vector<GLVolume*>::iterator end = m_volumes.volumes.end(); + for (std::vector<GLVolume*>::iterator it = begin; it < end; ++it) + { + GLVolume* volume = *it; + delete volume; + } + m_volumes.volumes.erase(begin, end); + return; + } + } + } + + // populates volumes + for (const GCodePreviewData::Extrusion::Layer& layer : preview_data.extrusion.layers) + { + for (const ExtrusionPath& path : layer.paths) + { + float path_filter = Helper::path_filter(preview_data.extrusion.view_type, path); + FiltersList::iterator filter = std::find(filters.begin(), filters.end(), Filter(path_filter, path.role())); + if (filter != filters.end()) + { + filter->volume->print_zs.push_back(layer.z); + filter->volume->offsets.push_back(filter->volume->indexed_vertex_array.quad_indices.size()); + filter->volume->offsets.push_back(filter->volume->indexed_vertex_array.triangle_indices.size()); + + _3DScene::extrusionentity_to_verts(path, layer.z, *filter->volume); + } + } + } + + // finalize volumes and sends geometry to gpu + if (m_volumes.volumes.size() > initial_volumes_count) + { + for (size_t i = initial_volumes_count; i < m_volumes.volumes.size(); ++i) + { + GLVolume* volume = m_volumes.volumes[i]; + volume->bounding_box = volume->indexed_vertex_array.bounding_box(); + volume->indexed_vertex_array.finalize_geometry(m_use_VBOs && m_initialized); + } + } +} + +void GLCanvas3D::_load_gcode_travel_paths(const GCodePreviewData& preview_data, const std::vector<float>& tool_colors) +{ + size_t initial_volumes_count = m_volumes.volumes.size(); + m_gcode_preview_volume_index.first_volumes.emplace_back(GCodePreviewVolumeIndex::Travel, 0, (unsigned int)initial_volumes_count); + + bool res = true; + switch (preview_data.extrusion.view_type) + { + case GCodePreviewData::Extrusion::Feedrate: + { + res = _travel_paths_by_feedrate(preview_data); + break; + } + case GCodePreviewData::Extrusion::Tool: + { + res = _travel_paths_by_tool(preview_data, tool_colors); + break; + } + default: + { + res = _travel_paths_by_type(preview_data); + break; + } + } + + if (!res) + { + // an error occourred - restore to previous state and return + if (initial_volumes_count != m_volumes.volumes.size()) + { + std::vector<GLVolume*>::iterator begin = m_volumes.volumes.begin() + initial_volumes_count; + std::vector<GLVolume*>::iterator end = m_volumes.volumes.end(); + for (std::vector<GLVolume*>::iterator it = begin; it < end; ++it) + { + GLVolume* volume = *it; + delete volume; + } + m_volumes.volumes.erase(begin, end); + } + + return; + } + + // finalize volumes and sends geometry to gpu + if (m_volumes.volumes.size() > initial_volumes_count) + { + for (size_t i = initial_volumes_count; i < m_volumes.volumes.size(); ++i) + { + GLVolume* volume = m_volumes.volumes[i]; + volume->bounding_box = volume->indexed_vertex_array.bounding_box(); + volume->indexed_vertex_array.finalize_geometry(m_use_VBOs && m_initialized); + } + } +} + +bool GLCanvas3D::_travel_paths_by_type(const GCodePreviewData& preview_data) +{ + // Helper structure for types + struct Type + { + GCodePreviewData::Travel::EType value; + GLVolume* volume; + + explicit Type(GCodePreviewData::Travel::EType value) + : value(value) + , volume(nullptr) + { + } + + bool operator == (const Type& other) const + { + return value == other.value; + } + }; + + typedef std::vector<Type> TypesList; + + // colors travels by travel type + + // detects types + TypesList types; + for (const GCodePreviewData::Travel::Polyline& polyline : preview_data.travel.polylines) + { + if (std::find(types.begin(), types.end(), Type(polyline.type)) == types.end()) + types.emplace_back(polyline.type); + } + + // nothing to render, return + if (types.empty()) + return true; + + // creates a new volume for each type + for (Type& type : types) + { + GLVolume* volume = new GLVolume(preview_data.travel.type_colors[type.value].rgba); + if (volume == nullptr) + return false; + else + { + type.volume = volume; + m_volumes.volumes.emplace_back(volume); + } + } + + // populates volumes + for (const GCodePreviewData::Travel::Polyline& polyline : preview_data.travel.polylines) + { + TypesList::iterator type = std::find(types.begin(), types.end(), Type(polyline.type)); + if (type != types.end()) + { + type->volume->print_zs.push_back(unscale<double>(polyline.polyline.bounding_box().min(2))); + type->volume->offsets.push_back(type->volume->indexed_vertex_array.quad_indices.size()); + type->volume->offsets.push_back(type->volume->indexed_vertex_array.triangle_indices.size()); + + _3DScene::polyline3_to_verts(polyline.polyline, preview_data.travel.width, preview_data.travel.height, *type->volume); + } + } + + return true; +} + +bool GLCanvas3D::_travel_paths_by_feedrate(const GCodePreviewData& preview_data) +{ + // Helper structure for feedrate + struct Feedrate + { + float value; + GLVolume* volume; + + explicit Feedrate(float value) + : value(value) + , volume(nullptr) + { + } + + bool operator == (const Feedrate& other) const + { + return value == other.value; + } + }; + + typedef std::vector<Feedrate> FeedratesList; + + // colors travels by feedrate + + // detects feedrates + FeedratesList feedrates; + for (const GCodePreviewData::Travel::Polyline& polyline : preview_data.travel.polylines) + { + if (std::find(feedrates.begin(), feedrates.end(), Feedrate(polyline.feedrate)) == feedrates.end()) + feedrates.emplace_back(polyline.feedrate); + } + + // nothing to render, return + if (feedrates.empty()) + return true; + + // creates a new volume for each feedrate + for (Feedrate& feedrate : feedrates) + { + GLVolume* volume = new GLVolume(preview_data.get_feedrate_color(feedrate.value).rgba); + if (volume == nullptr) + return false; + else + { + feedrate.volume = volume; + m_volumes.volumes.emplace_back(volume); + } + } + + // populates volumes + for (const GCodePreviewData::Travel::Polyline& polyline : preview_data.travel.polylines) + { + FeedratesList::iterator feedrate = std::find(feedrates.begin(), feedrates.end(), Feedrate(polyline.feedrate)); + if (feedrate != feedrates.end()) + { + feedrate->volume->print_zs.push_back(unscale<double>(polyline.polyline.bounding_box().min(2))); + feedrate->volume->offsets.push_back(feedrate->volume->indexed_vertex_array.quad_indices.size()); + feedrate->volume->offsets.push_back(feedrate->volume->indexed_vertex_array.triangle_indices.size()); + + _3DScene::polyline3_to_verts(polyline.polyline, preview_data.travel.width, preview_data.travel.height, *feedrate->volume); + } + } + + return true; +} + +bool GLCanvas3D::_travel_paths_by_tool(const GCodePreviewData& preview_data, const std::vector<float>& tool_colors) +{ + // Helper structure for tool + struct Tool + { + unsigned int value; + GLVolume* volume; + + explicit Tool(unsigned int value) + : value(value) + , volume(nullptr) + { + } + + bool operator == (const Tool& other) const + { + return value == other.value; + } + }; + + typedef std::vector<Tool> ToolsList; + + // colors travels by tool + + // detects tools + ToolsList tools; + for (const GCodePreviewData::Travel::Polyline& polyline : preview_data.travel.polylines) + { + if (std::find(tools.begin(), tools.end(), Tool(polyline.extruder_id)) == tools.end()) + tools.emplace_back(polyline.extruder_id); + } + + // nothing to render, return + if (tools.empty()) + return true; + + // creates a new volume for each tool + for (Tool& tool : tools) + { + GLVolume* volume = new GLVolume(tool_colors.data() + tool.value * 4); + if (volume == nullptr) + return false; + else + { + tool.volume = volume; + m_volumes.volumes.emplace_back(volume); + } + } + + // populates volumes + for (const GCodePreviewData::Travel::Polyline& polyline : preview_data.travel.polylines) + { + ToolsList::iterator tool = std::find(tools.begin(), tools.end(), Tool(polyline.extruder_id)); + if (tool != tools.end()) + { + tool->volume->print_zs.push_back(unscale<double>(polyline.polyline.bounding_box().min(2))); + tool->volume->offsets.push_back(tool->volume->indexed_vertex_array.quad_indices.size()); + tool->volume->offsets.push_back(tool->volume->indexed_vertex_array.triangle_indices.size()); + + _3DScene::polyline3_to_verts(polyline.polyline, preview_data.travel.width, preview_data.travel.height, *tool->volume); + } + } + + return true; +} + +void GLCanvas3D::_load_gcode_retractions(const GCodePreviewData& preview_data) +{ + m_gcode_preview_volume_index.first_volumes.emplace_back(GCodePreviewVolumeIndex::Retraction, 0, (unsigned int)m_volumes.volumes.size()); + + // nothing to render, return + if (preview_data.retraction.positions.empty()) + return; + + GLVolume* volume = new GLVolume(preview_data.retraction.color.rgba); + if (volume != nullptr) + { + m_volumes.volumes.emplace_back(volume); + + GCodePreviewData::Retraction::PositionsList copy(preview_data.retraction.positions); + std::sort(copy.begin(), copy.end(), [](const GCodePreviewData::Retraction::Position& p1, const GCodePreviewData::Retraction::Position& p2){ return p1.position(2) < p2.position(2); }); + + for (const GCodePreviewData::Retraction::Position& position : copy) + { + volume->print_zs.push_back(unscale<double>(position.position(2))); + volume->offsets.push_back(volume->indexed_vertex_array.quad_indices.size()); + volume->offsets.push_back(volume->indexed_vertex_array.triangle_indices.size()); + + _3DScene::point3_to_verts(position.position, position.width, position.height, *volume); + } + + // finalize volumes and sends geometry to gpu + volume->bounding_box = volume->indexed_vertex_array.bounding_box(); + volume->indexed_vertex_array.finalize_geometry(m_use_VBOs && m_initialized); + } +} + +void GLCanvas3D::_load_gcode_unretractions(const GCodePreviewData& preview_data) +{ + m_gcode_preview_volume_index.first_volumes.emplace_back(GCodePreviewVolumeIndex::Unretraction, 0, (unsigned int)m_volumes.volumes.size()); + + // nothing to render, return + if (preview_data.unretraction.positions.empty()) + return; + + GLVolume* volume = new GLVolume(preview_data.unretraction.color.rgba); + if (volume != nullptr) + { + m_volumes.volumes.emplace_back(volume); + + GCodePreviewData::Retraction::PositionsList copy(preview_data.unretraction.positions); + std::sort(copy.begin(), copy.end(), [](const GCodePreviewData::Retraction::Position& p1, const GCodePreviewData::Retraction::Position& p2){ return p1.position(2) < p2.position(2); }); + + for (const GCodePreviewData::Retraction::Position& position : copy) + { + volume->print_zs.push_back(unscale<double>(position.position(2))); + volume->offsets.push_back(volume->indexed_vertex_array.quad_indices.size()); + volume->offsets.push_back(volume->indexed_vertex_array.triangle_indices.size()); + + _3DScene::point3_to_verts(position.position, position.width, position.height, *volume); + } + + // finalize volumes and sends geometry to gpu + volume->bounding_box = volume->indexed_vertex_array.bounding_box(); + volume->indexed_vertex_array.finalize_geometry(m_use_VBOs && m_initialized); + } +} + +void GLCanvas3D::_load_shells() +{ + size_t initial_volumes_count = m_volumes.volumes.size(); + m_gcode_preview_volume_index.first_volumes.emplace_back(GCodePreviewVolumeIndex::Shell, 0, (unsigned int)initial_volumes_count); + + if (m_print->objects().empty()) + // nothing to render, return + return; + + // adds objects' volumes + unsigned int object_id = 0; + for (const PrintObject* obj : m_print->objects()) + { + const ModelObject* model_obj = obj->model_object(); + + std::vector<int> instance_ids(model_obj->instances.size()); + for (int i = 0; i < (int)model_obj->instances.size(); ++i) + { + instance_ids[i] = i; + } + + m_volumes.load_object(model_obj, object_id, instance_ids, "object", "object", "object", m_use_VBOs && m_initialized); + + ++object_id; + } + + // adds wipe tower's volume + double max_z = m_print->objects()[0]->model_object()->get_model()->bounding_box().max(2); + const PrintConfig& config = m_print->config(); + unsigned int extruders_count = config.nozzle_diameter.size(); + if ((extruders_count > 1) && config.single_extruder_multi_material && config.wipe_tower && !config.complete_objects) { + float depth = m_print->get_wipe_tower_depth(); + if (!m_print->is_step_done(psWipeTower)) + depth = (900.f/config.wipe_tower_width) * (float)(extruders_count - 1) ; + m_volumes.load_wipe_tower_preview(1000, config.wipe_tower_x, config.wipe_tower_y, config.wipe_tower_width, depth, max_z, config.wipe_tower_rotation_angle, + m_use_VBOs && m_initialized, !m_print->is_step_done(psWipeTower), m_print->config().nozzle_diameter.values[0] * 1.25f * 4.5f); + } +} + +void GLCanvas3D::_update_gcode_volumes_visibility(const GCodePreviewData& preview_data) +{ + unsigned int size = (unsigned int)m_gcode_preview_volume_index.first_volumes.size(); + for (unsigned int i = 0; i < size; ++i) + { + std::vector<GLVolume*>::iterator begin = m_volumes.volumes.begin() + m_gcode_preview_volume_index.first_volumes[i].id; + std::vector<GLVolume*>::iterator end = (i + 1 < size) ? m_volumes.volumes.begin() + m_gcode_preview_volume_index.first_volumes[i + 1].id : m_volumes.volumes.end(); + + for (std::vector<GLVolume*>::iterator it = begin; it != end; ++it) + { + GLVolume* volume = *it; + + switch (m_gcode_preview_volume_index.first_volumes[i].type) + { + case GCodePreviewVolumeIndex::Extrusion: + { + if ((ExtrusionRole)m_gcode_preview_volume_index.first_volumes[i].flag == erCustom) + volume->zoom_to_volumes = false; + + volume->is_active = preview_data.extrusion.is_role_flag_set((ExtrusionRole)m_gcode_preview_volume_index.first_volumes[i].flag); + break; + } + case GCodePreviewVolumeIndex::Travel: + { + volume->is_active = preview_data.travel.is_visible; + volume->zoom_to_volumes = false; + break; + } + case GCodePreviewVolumeIndex::Retraction: + { + volume->is_active = preview_data.retraction.is_visible; + volume->zoom_to_volumes = false; + break; + } + case GCodePreviewVolumeIndex::Unretraction: + { + volume->is_active = preview_data.unretraction.is_visible; + volume->zoom_to_volumes = false; + break; + } + case GCodePreviewVolumeIndex::Shell: + { + volume->is_active = preview_data.shell.is_visible; + volume->color[3] = 0.25f; + volume->zoom_to_volumes = false; + break; + } + default: + { + volume->is_active = false; + volume->zoom_to_volumes = false; + break; + } + } + } + } +} + +void GLCanvas3D::_update_toolpath_volumes_outside_state() +{ + // tolerance to avoid false detection at bed edges + static const double tolerance_x = 0.05; + static const double tolerance_y = 0.05; + + BoundingBoxf3 print_volume; + if (m_config != nullptr) + { + const ConfigOptionPoints* opt = dynamic_cast<const ConfigOptionPoints*>(m_config->option("bed_shape")); + if (opt != nullptr) + { + BoundingBox bed_box_2D = get_extents(Polygon::new_scale(opt->values)); + print_volume = BoundingBoxf3(Vec3d(unscale<double>(bed_box_2D.min(0)) - tolerance_x, unscale<double>(bed_box_2D.min(1)) - tolerance_y, 0.0), Vec3d(unscale<double>(bed_box_2D.max(0)) + tolerance_x, unscale<double>(bed_box_2D.max(1)) + tolerance_y, m_config->opt_float("max_print_height"))); + // Allow the objects to protrude below the print bed + print_volume.min(2) = -1e10; + } + } + + for (GLVolume* volume : m_volumes.volumes) + { + volume->is_outside = ((print_volume.radius() > 0.0) && volume->is_extrusion_path) ? !print_volume.contains(volume->bounding_box) : false; + } +} + +void GLCanvas3D::_show_warning_texture_if_needed() +{ + if (_is_any_volume_outside()) + { + enable_warning_texture(true); + _generate_warning_texture(L("Detected toolpath outside print volume")); + } + else + { + enable_warning_texture(false); + _reset_warning_texture(); + } +} + +void GLCanvas3D::_on_move(const std::vector<int>& volume_idxs) +{ + if (m_model == nullptr) + return; + + std::set<std::string> done; // prevent moving instances twice + bool object_moved = false; + Vec3d wipe_tower_origin = Vec3d::Zero(); + for (int volume_idx : volume_idxs) + { + GLVolume* volume = m_volumes.volumes[volume_idx]; + int obj_idx = volume->object_idx(); + int instance_idx = volume->instance_idx(); + + // prevent moving instances twice + char done_id[64]; + ::sprintf(done_id, "%d_%d", obj_idx, instance_idx); + if (done.find(done_id) != done.end()) + continue; + + done.insert(done_id); + + if (obj_idx < 1000) + { + // Move a regular object. + ModelObject* model_object = m_model->objects[obj_idx]; + if (model_object != nullptr) + { +#if ENABLE_MODELINSTANCE_3D_OFFSET + model_object->instances[instance_idx]->set_offset(volume->get_offset()); +#else + const Vec3d& offset = volume->get_offset(); + model_object->instances[instance_idx]->offset = Vec2d(offset(0), offset(1)); +#endif // ENABLE_MODELINSTANCE_3D_OFFSET + model_object->invalidate_bounding_box(); + update_position_values(); + object_moved = true; + } + } + else if (obj_idx == 1000) + // Move a wipe tower proxy. + wipe_tower_origin = volume->get_offset(); + } + + if (object_moved) + m_on_instance_moved_callback.call(); + + if (wipe_tower_origin != Vec3d::Zero()) + m_on_wipe_tower_moved_callback.call(wipe_tower_origin(0), wipe_tower_origin(1)); +} + +void GLCanvas3D::_on_select(int volume_idx, int object_idx) +{ + int vol_id = -1; + int obj_id = -1; + + if ((volume_idx != -1) && (volume_idx < (int)m_volumes.volumes.size())) + { + if (m_select_by == "volume") + { + if (m_volumes.volumes[volume_idx]->object_idx() != object_idx) + { + set_select_by("object"); + obj_id = m_volumes.volumes[volume_idx]->object_idx(); + vol_id = -1; + } + else + { + obj_id = object_idx; + vol_id = m_volumes.volumes[volume_idx]->volume_idx(); + } + } + else if (m_select_by == "object") + { + obj_id = m_volumes.volumes[volume_idx]->object_idx(); + vol_id = -1; + } + } + + m_on_select_object_callback.call(obj_id, vol_id); + Slic3r::GUI::select_current_volume(obj_id, vol_id); +} + +std::vector<float> GLCanvas3D::_parse_colors(const std::vector<std::string>& colors) +{ + static const float INV_255 = 1.0f / 255.0f; + + std::vector<float> output(colors.size() * 4, 1.0f); + for (size_t i = 0; i < colors.size(); ++i) + { + const std::string& color = colors[i]; + const char* c = color.data() + 1; + if ((color.size() == 7) && (color.front() == '#')) + { + for (size_t j = 0; j < 3; ++j) + { + int digit1 = hex_digit_to_int(*c++); + int digit2 = hex_digit_to_int(*c++); + if ((digit1 == -1) || (digit2 == -1)) + break; + + output[i * 4 + j] = float(digit1 * 16 + digit2) * INV_255; + } + } + } + return output; +} + +void GLCanvas3D::_generate_legend_texture(const GCodePreviewData& preview_data, const std::vector<float>& tool_colors) +{ + if (!set_current()) + return; + + m_legend_texture.generate(preview_data, tool_colors); +} + +void GLCanvas3D::_generate_warning_texture(const std::string& msg) +{ + if (!set_current()) + return; + + m_warning_texture.generate(msg); +} + +void GLCanvas3D::_reset_warning_texture() +{ + if (!set_current()) + return; + + m_warning_texture.reset(); +} + +bool GLCanvas3D::_is_any_volume_outside() const +{ + for (const GLVolume* volume : m_volumes.volumes) + { + if ((volume != nullptr) && volume->is_outside) + return true; + } + + return false; +} + +void GLCanvas3D::_resize_toolbar() const +{ + Size cnv_size = get_canvas_size(); + float zoom = get_camera_zoom(); + float inv_zoom = (zoom != 0.0f) ? 1.0f / zoom : 0.0f; + + switch (m_toolbar.get_layout_type()) + { + default: + case GLToolbar::Layout::Horizontal: + { + // centers the toolbar on the top edge of the 3d scene + unsigned int toolbar_width = m_toolbar.get_width(); + float top = (0.5f * (float)cnv_size.get_height() - 2.0f) * inv_zoom; + float left = -0.5f * (float)toolbar_width * inv_zoom; + m_toolbar.set_position(top, left); + break; + } + case GLToolbar::Layout::Vertical: + { + // centers the toolbar on the right edge of the 3d scene + unsigned int toolbar_width = m_toolbar.get_width(); + unsigned int toolbar_height = m_toolbar.get_height(); + float top = 0.5f * (float)toolbar_height * inv_zoom; + float left = (0.5f * (float)cnv_size.get_width() - toolbar_width - 2.0f) * inv_zoom; + m_toolbar.set_position(top, left); + break; + } + } +} + +} // namespace GUI +} // namespace Slic3r |