[Bf-blender-cvs] [eb2a078f4d0] master: GPencil: New function to dissolve points in stroke
Antonio Vazquez
noreply at git.blender.org
Fri Aug 2 11:30:09 CEST 2019
Commit: eb2a078f4d0675874046a3281652b81b79b442c1
Author: Antonio Vazquez
Date: Fri Aug 2 11:01:00 2019 +0200
Branches: master
https://developer.blender.org/rBeb2a078f4d0675874046a3281652b81b79b442c1
GPencil: New function to dissolve points in stroke
This function will be used for new operators.
===================================================================
M source/blender/blenkernel/BKE_gpencil.h
M source/blender/blenkernel/intern/gpencil.c
===================================================================
diff --git a/source/blender/blenkernel/BKE_gpencil.h b/source/blender/blenkernel/BKE_gpencil.h
index 60e9e6b91d3..9ec872f3676 100644
--- a/source/blender/blenkernel/BKE_gpencil.h
+++ b/source/blender/blenkernel/BKE_gpencil.h
@@ -217,6 +217,7 @@ bool BKE_gpencil_smooth_stroke_strength(struct bGPDstroke *gps, int point_index,
bool BKE_gpencil_smooth_stroke_thickness(struct bGPDstroke *gps, int point_index, float influence);
bool BKE_gpencil_smooth_stroke_uv(struct bGPDstroke *gps, int point_index, float influence);
bool BKE_gpencil_close_stroke(struct bGPDstroke *gps);
+void BKE_gpencil_dissolve_points(struct bGPDframe *gpf, struct bGPDstroke *gps, const short tag);
void BKE_gpencil_get_range_selected(struct bGPDlayer *gpl, int *r_initframe, int *r_endframe);
float BKE_gpencil_multiframe_falloff_calc(
diff --git a/source/blender/blenkernel/intern/gpencil.c b/source/blender/blenkernel/intern/gpencil.c
index 133c6e7297b..731e9aff926 100644
--- a/source/blender/blenkernel/intern/gpencil.c
+++ b/source/blender/blenkernel/intern/gpencil.c
@@ -2056,3 +2056,85 @@ bool BKE_gpencil_close_stroke(bGPDstroke *gps)
return true;
}
+
+/* Dissolve points in stroke */
+void BKE_gpencil_dissolve_points(bGPDframe *gpf, bGPDstroke *gps, const short tag)
+{
+ bGPDspoint *pt;
+ MDeformVert *dvert = NULL;
+ int i;
+
+ int tot = gps->totpoints; /* number of points in new buffer */
+ /* first pass: count points to remove */
+ /* Count how many points are selected (i.e. how many to remove) */
+ for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
+ if (pt->flag & tag) {
+ /* selected point - one of the points to remove */
+ tot--;
+ }
+ }
+
+ /* if no points are left, we simply delete the entire stroke */
+ if (tot <= 0) {
+ /* remove the entire stroke */
+ if (gps->points) {
+ MEM_freeN(gps->points);
+ }
+ if (gps->dvert) {
+ BKE_gpencil_free_stroke_weights(gps);
+ MEM_freeN(gps->dvert);
+ }
+ if (gps->triangles) {
+ MEM_freeN(gps->triangles);
+ }
+ BLI_freelinkN(&gpf->strokes, gps);
+ }
+ else {
+ /* just copy all points to keep into a smaller buffer */
+ bGPDspoint *new_points = MEM_callocN(sizeof(bGPDspoint) * tot, "new gp stroke points copy");
+ bGPDspoint *npt = new_points;
+
+ MDeformVert *new_dvert = NULL;
+ MDeformVert *ndvert = NULL;
+
+ if (gps->dvert != NULL) {
+ new_dvert = MEM_callocN(sizeof(MDeformVert) * tot, "new gp stroke weights copy");
+ ndvert = new_dvert;
+ }
+
+ (gps->dvert != NULL) ? dvert = gps->dvert : NULL;
+ for (i = 0, pt = gps->points; i < gps->totpoints; i++, pt++) {
+ if ((pt->flag & tag) == 0) {
+ *npt = *pt;
+ npt++;
+
+ if (gps->dvert != NULL) {
+ *ndvert = *dvert;
+ ndvert->dw = MEM_dupallocN(dvert->dw);
+ ndvert++;
+ }
+ }
+ if (gps->dvert != NULL) {
+ dvert++;
+ }
+ }
+
+ /* free the old buffer */
+ if (gps->points) {
+ MEM_freeN(gps->points);
+ }
+ if (gps->dvert) {
+ BKE_gpencil_free_stroke_weights(gps);
+ MEM_freeN(gps->dvert);
+ }
+
+ /* save the new buffer */
+ gps->points = new_points;
+ gps->dvert = new_dvert;
+ gps->totpoints = tot;
+
+ /* triangles cache needs to be recalculated */
+ gps->flag |= GP_STROKE_RECALC_GEOMETRY;
+ gps->tot_triangles = 0;
+ }
+}
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