diff options
author | Campbell Barton <ideasman42@gmail.com> | 2017-08-03 01:27:22 +0300 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2017-08-03 01:30:58 +0300 |
commit | acde5bb66916c7e48c7cc2e36962f9a5ee81660b (patch) | |
tree | 7141280ebe76277d2569610105cfa1869d11a71d /source/blender/editors/space_view3d/view3d_manipulator_camera.c | |
parent | be7de5f2399dc1ad36ef1768345b8a5b3523463b (diff) |
Cleanup: split 3D view manipulators by type
Diffstat (limited to 'source/blender/editors/space_view3d/view3d_manipulator_camera.c')
-rw-r--r-- | source/blender/editors/space_view3d/view3d_manipulator_camera.c | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/source/blender/editors/space_view3d/view3d_manipulator_camera.c b/source/blender/editors/space_view3d/view3d_manipulator_camera.c new file mode 100644 index 00000000000..2d60c98e09b --- /dev/null +++ b/source/blender/editors/space_view3d/view3d_manipulator_camera.c @@ -0,0 +1,227 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/editors/space_view3d/view3d_manipulator_camera.c + * \ingroup spview3d + */ + + +#include "BLI_blenlib.h" +#include "BLI_math.h" +#include "BLI_utildefines.h" + +#include "BKE_camera.h" +#include "BKE_context.h" + +#include "DNA_object_types.h" +#include "DNA_camera_types.h" + +#include "ED_armature.h" +#include "ED_screen.h" +#include "ED_manipulator_library.h" + +#include "MEM_guardedalloc.h" + +#include "RNA_access.h" + +#include "WM_api.h" +#include "WM_types.h" + +#include "view3d_intern.h" /* own include */ + + +/* -------------------------------------------------------------------- */ + +/** \name Camera Manipulators + * \{ */ + +struct CameraWidgetGroup { + wmManipulator *dop_dist; + wmManipulator *focal_len; + wmManipulator *ortho_scale; +}; + +static bool WIDGETGROUP_camera_poll(const bContext *C, wmManipulatorGroupType *UNUSED(wgt)) +{ + Object *ob = CTX_data_active_object(C); + + return (ob && ob->type == OB_CAMERA); +} + +static void cameragroup_property_setup(wmManipulator *widget, Object *ob, Camera *ca, const bool is_ortho) +{ + const float scale[3] = {1.0f / len_v3(ob->obmat[0]), 1.0f / len_v3(ob->obmat[1]), 1.0f / len_v3(ob->obmat[2])}; + const float scale_fac = ca->drawsize; + const float drawsize = is_ortho ? + (0.5f * ca->ortho_scale) : + (scale_fac / ((scale[0] + scale[1] + scale[2]) / 3.0f)); + const float half_sensor = 0.5f * ((ca->sensor_fit == CAMERA_SENSOR_FIT_VERT) ? ca->sensor_y : ca->sensor_x); + const char *propname = is_ortho ? "ortho_scale" : "lens"; + + PointerRNA camera_ptr; + float min, max, range; + float step, precision; + + RNA_pointer_create(&ca->id, &RNA_Camera, ca, &camera_ptr); + + /* get property range */ + PropertyRNA *prop = RNA_struct_find_property(&camera_ptr, propname); + RNA_property_float_ui_range(&camera_ptr, prop, &min, &max, &step, &precision); + range = max - min; + + ED_manipulator_arrow3d_set_range_fac(widget, is_ortho ? (scale_fac * range) : (drawsize * range / half_sensor)); +} + +static void WIDGETGROUP_camera_setup(const bContext *C, wmManipulatorGroup *mgroup) +{ + Object *ob = CTX_data_active_object(C); + Camera *ca = ob->data; + float dir[3]; + + const wmManipulatorType *wt_arrow = WM_manipulatortype_find("MANIPULATOR_WT_arrow_3d", true); + + struct CameraWidgetGroup *camgroup = MEM_callocN(sizeof(struct CameraWidgetGroup), __func__); + mgroup->customdata = camgroup; + + negate_v3_v3(dir, ob->obmat[2]); + + /* dof distance */ + { + const float color[4] = {1.0f, 0.3f, 0.0f, 1.0f}; + const float color_hi[4] = {1.0f, 0.3f, 0.0f, 1.0f}; + + camgroup->dop_dist = WM_manipulator_new_ptr(wt_arrow, mgroup, NULL); + RNA_enum_set(camgroup->dop_dist->ptr, "draw_style", ED_MANIPULATOR_ARROW_STYLE_CROSS); + WM_manipulator_set_flag(camgroup->dop_dist, WM_MANIPULATOR_DRAW_HOVER, true); + WM_manipulator_set_color(camgroup->dop_dist, color); + WM_manipulator_set_color_highlight(camgroup->dop_dist, color_hi); + } + + /* focal length + * - logic/calculations are similar to BKE_camera_view_frame_ex, better keep in sync */ + { + const float color[4] = {1.0f, 1.0, 0.27f, 0.5f}; + const float color_hi[4] = {1.0f, 1.0, 0.27f, 1.0f}; + + camgroup->focal_len = WM_manipulator_new_ptr(wt_arrow, mgroup, NULL); + RNA_enum_set(camgroup->focal_len->ptr, "draw_style", ED_MANIPULATOR_ARROW_STYLE_CONE); + RNA_enum_set(camgroup->focal_len->ptr, "draw_options", ED_MANIPULATOR_ARROW_STYLE_CONSTRAINED); + + WM_manipulator_set_color(camgroup->focal_len, color); + WM_manipulator_set_color_highlight(camgroup->focal_len, color_hi); + cameragroup_property_setup(camgroup->focal_len, ob, ca, false); + + camgroup->ortho_scale = WM_manipulator_new_ptr(wt_arrow, mgroup, NULL); + RNA_enum_set(camgroup->ortho_scale->ptr, "draw_style", ED_MANIPULATOR_ARROW_STYLE_CONE); + RNA_enum_set(camgroup->ortho_scale->ptr, "draw_options", ED_MANIPULATOR_ARROW_STYLE_CONSTRAINED); + + WM_manipulator_set_color(camgroup->ortho_scale, color); + WM_manipulator_set_color_highlight(camgroup->ortho_scale, color_hi); + cameragroup_property_setup(camgroup->ortho_scale, ob, ca, true); + } +} + +static void WIDGETGROUP_camera_refresh(const bContext *C, wmManipulatorGroup *mgroup) +{ + if (!mgroup->customdata) + return; + + struct CameraWidgetGroup *camgroup = mgroup->customdata; + Object *ob = CTX_data_active_object(C); + Camera *ca = ob->data; + PointerRNA camera_ptr; + float dir[3]; + + RNA_pointer_create(&ca->id, &RNA_Camera, ca, &camera_ptr); + + negate_v3_v3(dir, ob->obmat[2]); + + if (ca->flag & CAM_SHOWLIMITS) { + WM_manipulator_set_matrix_location(camgroup->dop_dist, ob->obmat[3]); + WM_manipulator_set_matrix_rotation_from_yz_axis(camgroup->dop_dist, ob->obmat[1], dir); + WM_manipulator_set_scale(camgroup->dop_dist, ca->drawsize); + WM_manipulator_set_flag(camgroup->dop_dist, WM_MANIPULATOR_HIDDEN, false); + + /* need to set property here for undo. TODO would prefer to do this in _init */ + WM_manipulator_target_property_def_rna(camgroup->dop_dist, "offset", &camera_ptr, "dof_distance", -1); + } + else { + WM_manipulator_set_flag(camgroup->dop_dist, WM_MANIPULATOR_HIDDEN, true); + } + + /* TODO - make focal length/ortho scale widget optional */ + if (true) { + const bool is_ortho = (ca->type == CAM_ORTHO); + const float scale[3] = {1.0f / len_v3(ob->obmat[0]), 1.0f / len_v3(ob->obmat[1]), 1.0f / len_v3(ob->obmat[2])}; + const float scale_fac = ca->drawsize; + const float drawsize = is_ortho ? + (0.5f * ca->ortho_scale) : + (scale_fac / ((scale[0] + scale[1] + scale[2]) / 3.0f)); + float offset[3]; + float aspect[2]; + + wmManipulator *widget = is_ortho ? camgroup->ortho_scale : camgroup->focal_len; + WM_manipulator_set_flag(widget, WM_MANIPULATOR_HIDDEN, false); + WM_manipulator_set_flag(is_ortho ? camgroup->focal_len : camgroup->ortho_scale, WM_MANIPULATOR_HIDDEN, true); + + + /* account for lens shifting */ + offset[0] = ((ob->size[0] > 0.0f) ? -2.0f : 2.0f) * ca->shiftx; + offset[1] = 2.0f * ca->shifty; + offset[2] = 0.0f; + + /* get aspect */ + const Scene *scene = CTX_data_scene(C); + const float aspx = (float)scene->r.xsch * scene->r.xasp; + const float aspy = (float)scene->r.ysch * scene->r.yasp; + const int sensor_fit = BKE_camera_sensor_fit(ca->sensor_fit, aspx, aspy); + aspect[0] = (sensor_fit == CAMERA_SENSOR_FIT_HOR) ? 1.0f : aspx / aspy; + aspect[1] = (sensor_fit == CAMERA_SENSOR_FIT_HOR) ? aspy / aspx : 1.0f; + + WM_manipulator_set_matrix_location(widget, ob->obmat[3]); + WM_manipulator_set_matrix_rotation_from_yz_axis(widget, ob->obmat[1], dir); + + RNA_float_set_array(widget->ptr, "aspect", aspect); + + WM_manipulator_set_matrix_offset_location(widget, offset); + WM_manipulator_set_scale(widget, drawsize); + + /* need to set property here for undo. TODO would prefer to do this in _init */ + WM_manipulator_target_property_def_rna(camgroup->focal_len, "offset", &camera_ptr, "lens", -1); + WM_manipulator_target_property_def_rna(camgroup->ortho_scale, "offset", &camera_ptr, "ortho_scale", -1); + } +} + +void VIEW3D_WGT_camera(wmManipulatorGroupType *wgt) +{ + wgt->name = "Camera Widgets"; + wgt->idname = "VIEW3D_WGT_camera"; + + wgt->flag = (WM_MANIPULATORGROUPTYPE_PERSISTENT | + WM_MANIPULATORGROUPTYPE_3D | + WM_MANIPULATORGROUPTYPE_SCALE | + WM_MANIPULATORGROUPTYPE_DEPTH_3D); + + wgt->poll = WIDGETGROUP_camera_poll; + wgt->setup = WIDGETGROUP_camera_setup; + wgt->refresh = WIDGETGROUP_camera_refresh; +} + +/** \} */ |