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path: root/source/blender/editors/sculpt_paint/paint_cursor.c
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Diffstat (limited to 'source/blender/editors/sculpt_paint/paint_cursor.c')
-rw-r--r--source/blender/editors/sculpt_paint/paint_cursor.c160
1 files changed, 152 insertions, 8 deletions
diff --git a/source/blender/editors/sculpt_paint/paint_cursor.c b/source/blender/editors/sculpt_paint/paint_cursor.c
index b5b0ddd6f70..7b9ede38b39 100644
--- a/source/blender/editors/sculpt_paint/paint_cursor.c
+++ b/source/blender/editors/sculpt_paint/paint_cursor.c
@@ -44,6 +44,7 @@
#include "BKE_brush.h"
#include "BKE_context.h"
+#include "BKE_curve.h"
#include "BKE_image.h"
#include "BKE_node.h"
#include "BKE_paint.h"
@@ -58,6 +59,8 @@
#include "ED_view3d.h"
+#include "UI_resources.h"
+
#include "paint_intern.h"
/* still needed for sculpt_stroke_get_location, should be
* removed eventually (TODO) */
@@ -791,6 +794,138 @@ static void paint_draw_alpha_overlay(UnifiedPaintSettings *ups, Brush *brush,
glPopAttrib();
}
+
+BLI_INLINE void draw_tri_point(float *co, float width, bool selected)
+{
+ float w = width / 2.0f;
+ if (selected)
+ UI_ThemeColor4(TH_VERTEX_SELECT);
+ else
+ UI_ThemeColor4(TH_PAINT_CURVE_PIVOT);
+
+ glLineWidth(3.0);
+
+ glBegin(GL_LINE_LOOP);
+ glVertex2f(co[0], co[1] + w);
+ glVertex2f(co[0] - w, co[1] - w);
+ glVertex2f(co[0] + w, co[1] - w);
+ glEnd();
+
+ glColor4f(1.0, 1.0, 1.0, 0.5);
+ glLineWidth(1.0);
+
+ glBegin(GL_LINE_LOOP);
+ glVertex2f(co[0], co[1] + w);
+ glVertex2f(co[0] - w, co[1] - w);
+ glVertex2f(co[0] + w, co[1] - w);
+ glEnd();
+}
+
+BLI_INLINE void draw_rect_point(float *co, float width, bool selected)
+{
+ float w = width / 2.0f;
+ if (selected)
+ UI_ThemeColor4(TH_VERTEX_SELECT);
+ else
+ UI_ThemeColor4(TH_PAINT_CURVE_HANDLE);
+ glLineWidth(3.0);
+
+ glBegin(GL_LINE_LOOP);
+ glVertex2f(co[0] + w, co[1] + w);
+ glVertex2f(co[0] - w, co[1] + w);
+ glVertex2f(co[0] - w, co[1] - w);
+ glVertex2f(co[0] + w, co[1] - w);
+ glEnd();
+
+ glColor4f(1.0, 1.0, 1.0, 0.5);
+ glLineWidth(1.0);
+
+ glBegin(GL_LINE_LOOP);
+ glVertex2f(co[0] + w, co[1] + w);
+ glVertex2f(co[0] - w, co[1] + w);
+ glVertex2f(co[0] - w, co[1] - w);
+ glVertex2f(co[0] + w, co[1] - w);
+ glEnd();
+}
+
+
+BLI_INLINE void draw_bezier_handle_lines(BezTriple *bez)
+{
+ short line1[] = {0, 1};
+ short line2[] = {1, 2};
+
+ glVertexPointer(2, GL_FLOAT, 3 * sizeof(float), bez->vec);
+ glColor4f(0.0, 0.0, 0.0, 0.5);
+ glLineWidth(3.0);
+ glDrawArrays(GL_LINE_STRIP, 0, 3);
+
+ glLineWidth(1.0);
+ if (bez->f1 || bez->f2)
+ UI_ThemeColor4(TH_VERTEX_SELECT);
+ else
+ glColor4f(1.0, 1.0, 1.0, 0.5);
+ glDrawElements(GL_LINES, 2, GL_UNSIGNED_SHORT, line1);
+ if (bez->f3 || bez->f2)
+ UI_ThemeColor4(TH_VERTEX_SELECT);
+ else
+ glColor4f(1.0, 1.0, 1.0, 0.5);
+ glDrawElements(GL_LINES, 2, GL_UNSIGNED_SHORT, line2);
+}
+
+static void paint_draw_curve_cursor(Brush *brush)
+{
+ if (brush->paint_curve && brush->paint_curve->points) {
+ int i;
+ PaintCurve *pc = brush->paint_curve;
+ PaintCurvePoint *cp = pc->points;
+
+ glEnable(GL_LINE_SMOOTH);
+ glEnable(GL_BLEND);
+ glEnableClientState(GL_VERTEX_ARRAY);
+
+ /* draw the bezier handles and the curve segment between the current and next point */
+ for (i = 0; i < pc->tot_points - 1; i++, cp++) {
+ int j;
+ PaintCurvePoint *cp_next = cp + 1;
+ float data[(PAINT_CURVE_NUM_SEGMENTS + 1) * 2];
+ /* use color coding to distinguish handles vs curve segments */
+ draw_bezier_handle_lines(&cp->bez);
+ draw_tri_point(&cp->bez.vec[1][0], 10.0, cp->bez.f2);
+ draw_rect_point(&cp->bez.vec[0][0], 8.0, cp->bez.f1 || cp->bez.f2);
+ draw_rect_point(&cp->bez.vec[2][0], 8.0, cp->bez.f3 || cp->bez.f2);
+
+ for (j = 0; j < 2; j++)
+ BKE_curve_forward_diff_bezier(
+ cp->bez.vec[1][j],
+ cp->bez.vec[2][j],
+ cp_next->bez.vec[0][j],
+ cp_next->bez.vec[1][j],
+ data + j, PAINT_CURVE_NUM_SEGMENTS, sizeof(float[2]));
+
+ glVertexPointer(2, GL_FLOAT, 0, data);
+ glLineWidth(3.0);
+ glColor4f(0.0, 0.0, 0.0, 0.5);
+ glDrawArrays(GL_LINE_STRIP, 0, PAINT_CURVE_NUM_SEGMENTS + 1);
+
+ glLineWidth(1.0);
+ glColor4f(0.9, 0.9, 1.0, 0.5);
+ glDrawArrays(GL_LINE_STRIP, 0, PAINT_CURVE_NUM_SEGMENTS + 1);
+ }
+
+ /* draw last line segment */
+ draw_bezier_handle_lines(&cp->bez);
+ draw_tri_point(&cp->bez.vec[1][0], 10.0, cp->bez.f2);
+ draw_rect_point(&cp->bez.vec[0][0], 8.0, cp->bez.f1 || cp->bez.f2);
+ draw_rect_point(&cp->bez.vec[2][0], 8.0, cp->bez.f3 || cp->bez.f2);
+
+ glLineWidth(1.0);
+
+ glDisable(GL_BLEND);
+ glDisable(GL_LINE_SMOOTH);
+ glDisableClientState(GL_VERTEX_ARRAY);
+ }
+}
+
/* Special actions taken when paint cursor goes over mesh */
/* TODO: sculpt only for now */
static void paint_cursor_on_hit(UnifiedPaintSettings *ups, Brush *brush, ViewContext *vc,
@@ -848,6 +983,12 @@ static void paint_draw_cursor(bContext *C, int x, int y, void *UNUSED(unused))
zoomx = max_ff(zoomx, zoomy);
mode = BKE_paintmode_get_active_from_context(C);
+ /* skip everything and draw brush here */
+ if (brush->flag & BRUSH_CURVE) {
+ paint_draw_curve_cursor(brush);
+ return;
+ }
+
/* set various defaults */
translation[0] = x;
translation[1] = y;
@@ -857,8 +998,11 @@ static void paint_draw_cursor(bContext *C, int x, int y, void *UNUSED(unused))
/* don't calculate rake angles while a stroke is active because the rake variables are global and
* we may get interference with the stroke itself. For line strokes, such interference is visible */
- if (!ups->stroke_active && (brush->flag & BRUSH_RAKE))
- paint_calculate_rake_rotation(ups, translation);
+ if (!ups->stroke_active) {
+ if (brush->flag & BRUSH_RAKE)
+ /* here, translation contains the mouse coordinates. */
+ paint_calculate_rake_rotation(ups, translation);
+ }
/* draw overlay */
paint_draw_alpha_overlay(ups, brush, &vc, x, y, zoomx, mode);
@@ -878,7 +1022,7 @@ static void paint_draw_cursor(bContext *C, int x, int y, void *UNUSED(unused))
/* check if brush is subtracting, use different color then */
/* TODO: no way currently to know state of pen flip or
* invert key modifier without starting a stroke */
- if ((!(brush->flag & BRUSH_INVERTED) ^
+ if ((!(ups->draw_inverted) ^
!(brush->flag & BRUSH_DIR_IN)) &&
ELEM(brush->sculpt_tool, SCULPT_TOOL_DRAW,
SCULPT_TOOL_INFLATE, SCULPT_TOOL_CLAY,
@@ -890,12 +1034,12 @@ static void paint_draw_cursor(bContext *C, int x, int y, void *UNUSED(unused))
/* only do if brush is over the mesh */
if (hit)
paint_cursor_on_hit(ups, brush, &vc, location);
+ }
- if (ups->draw_anchored) {
- final_radius = ups->anchored_size;
- translation[0] = ups->anchored_initial_mouse[0];
- translation[1] = ups->anchored_initial_mouse[1];
- }
+ if (ups->draw_anchored) {
+ final_radius = ups->anchored_size;
+ translation[0] = ups->anchored_initial_mouse[0];
+ translation[1] = ups->anchored_initial_mouse[1];
}
/* make lines pretty */
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-02 00:40:51 +0300