[Bf-blender-cvs] [c16126246bc] greasepencil-object: Fix some errors in Simplify and Subdivide

Antonioya noreply at git.blender.org
Tue Aug 28 21:52:04 CEST 2018


Commit: c16126246bc4c64dff91f480ea0dde86bce4007c
Author: Antonioya
Date:   Tue Aug 28 21:51:46 2018 +0200
Branches: greasepencil-object
https://developer.blender.org/rBc16126246bc4c64dff91f480ea0dde86bce4007c

Fix some errors in Simplify and Subdivide

===================================================================

M	source/blender/blenkernel/BKE_gpencil.h
M	source/blender/blenkernel/intern/gpencil_modifier.c
M	source/blender/editors/gpencil/gpencil_edit.c
M	source/blender/gpencil_modifiers/intern/MOD_gpencilsubdiv.c

===================================================================

diff --git a/source/blender/blenkernel/BKE_gpencil.h b/source/blender/blenkernel/BKE_gpencil.h
index 0aa7a0de7e6..490aa9acb6c 100644
--- a/source/blender/blenkernel/BKE_gpencil.h
+++ b/source/blender/blenkernel/BKE_gpencil.h
@@ -162,6 +162,7 @@ void BKE_gpencil_eval_geometry(struct Depsgraph *depsgraph, struct bGPdata *gpd)
 void BKE_gpencil_stroke_normal(const struct bGPDstroke *gps, float r_normal[3]);
 void BKE_gpencil_simplify_stroke(struct bGPDstroke *gps, float factor);
 void BKE_gpencil_simplify_fixed(struct bGPDstroke *gps);
+void BKE_gpencil_subdivide(struct bGPDstroke *gps, int level, int flag);
 
 void BKE_gpencil_transform(struct bGPdata *gpd, float mat[4][4]);
 
diff --git a/source/blender/blenkernel/intern/gpencil_modifier.c b/source/blender/blenkernel/intern/gpencil_modifier.c
index 7957420bb48..458cc548263 100644
--- a/source/blender/blenkernel/intern/gpencil_modifier.c
+++ b/source/blender/blenkernel/intern/gpencil_modifier.c
@@ -241,7 +241,9 @@ static void gpencil_rdp_stroke(bGPDstroke *gps, vec2f *points2d, float epsilon)
 				dvert_src = &old_dvert[i];
 				MDeformVert *dvert = &gps->dvert[j];
 				memcpy(dvert, dvert_src, sizeof(MDeformVert));
-				memcpy(dvert->dw, dvert_src->dw, sizeof(MDeformWeight));
+				if (dvert_src->dw) {
+					memcpy(dvert->dw, dvert_src->dw, sizeof(MDeformWeight));
+				}
 			}
 			j++;
 		}
@@ -315,7 +317,9 @@ void BKE_gpencil_simplify_fixed(bGPDstroke *gps)
 				dvert_src = &old_dvert[i];
 				MDeformVert *dvert = &gps->dvert[j];
 				memcpy(dvert, dvert_src, sizeof(MDeformVert));
-				memcpy(dvert->dw, dvert_src->dw, sizeof(MDeformWeight));
+				if (dvert_src->dw) {
+					memcpy(dvert->dw, dvert_src->dw, sizeof(MDeformWeight));
+				}
 			}
 			j++;
 		}
@@ -710,3 +714,108 @@ void BKE_gpencil_instance_modifier_instance_tfm(InstanceGpencilModifierData *mmd
 	/* calculate matrix */
 	loc_eul_size_to_mat4(r_mat, offset, rot, scale);
 }
+
+void BKE_gpencil_subdivide(bGPDstroke *gps, int level, int flag)
+{
+	bGPDspoint *temp_points;
+	MDeformVert *temp_dverts = NULL;
+	MDeformVert *dvert = NULL;
+	MDeformVert *dvert_final = NULL;
+	MDeformVert *dvert_next = NULL;
+	int totnewpoints, oldtotpoints;
+	int i2;
+
+	for (int s = 0; s < level; s++) {
+		totnewpoints = gps->totpoints - 1;
+		/* duplicate points in a temp area */
+		temp_points = MEM_dupallocN(gps->points);
+		oldtotpoints = gps->totpoints;
+
+		/* resize the points arrys */
+		gps->totpoints += totnewpoints;
+		gps->points = MEM_recallocN(gps->points, sizeof(*gps->points) * gps->totpoints);
+		if (gps->dvert != NULL) {
+			temp_dverts = MEM_dupallocN(gps->dvert);
+			gps->dvert = MEM_recallocN(gps->dvert, sizeof(*gps->dvert) * gps->totpoints);
+		}
+		gps->flag |= GP_STROKE_RECALC_CACHES;
+
+		/* move points from last to first to new place */
+		i2 = gps->totpoints - 1;
+		for (int i = oldtotpoints - 1; i > 0; i--) {
+			bGPDspoint *pt = &temp_points[i];
+			bGPDspoint *pt_final = &gps->points[i2];
+
+			copy_v3_v3(&pt_final->x, &pt->x);
+			pt_final->pressure = pt->pressure;
+			pt_final->strength = pt->strength;
+			pt_final->time = pt->time;
+			pt_final->flag = pt->flag;
+
+			if (gps->dvert != NULL) {
+				dvert = &temp_dverts[i];
+				dvert_final = &gps->dvert[i2];
+				dvert_final->totweight = dvert->totweight;
+				dvert_final->dw = dvert->dw;
+			}
+			i2 -= 2;
+		}
+		/* interpolate mid points */
+		i2 = 1;
+		for (int i = 0; i < oldtotpoints - 1; i++) {
+			bGPDspoint *pt = &temp_points[i];
+			bGPDspoint *next = &temp_points[i + 1];
+			bGPDspoint *pt_final = &gps->points[i2];
+
+			/* add a half way point */
+			interp_v3_v3v3(&pt_final->x, &pt->x, &next->x, 0.5f);
+			pt_final->pressure = interpf(pt->pressure, next->pressure, 0.5f);
+			pt_final->strength = interpf(pt->strength, next->strength, 0.5f);
+			CLAMP(pt_final->strength, GPENCIL_STRENGTH_MIN, 1.0f);
+			pt_final->time = interpf(pt->time, next->time, 0.5f);
+
+			if (gps->dvert != NULL) {
+				dvert = &temp_dverts[i];
+				dvert_next = &temp_dverts[i + 1];
+				dvert_final = &gps->dvert[i2];
+
+				dvert_final->totweight = dvert->totweight;
+				dvert_final->dw = MEM_dupallocN(dvert->dw);
+
+				/* interpolate weight values */
+				for (int d = 0; d < dvert->totweight; d++) {
+					MDeformWeight *dw_a = &dvert->dw[d];
+					if (dvert_next->totweight > d) {
+						MDeformWeight *dw_b = &dvert_next->dw[d];
+						MDeformWeight *dw_final = &dvert_final->dw[d];
+						dw_final->weight = interpf(dw_a->weight, dw_b->weight, 0.5f);
+					}
+				}
+			}
+
+			i2 += 2;
+		}
+
+		MEM_SAFE_FREE(temp_points);
+		MEM_SAFE_FREE(temp_dverts);
+
+		/* move points to smooth stroke (not simple flag )*/
+		if ((flag & GP_SUBDIV_SIMPLE) == 0) {
+			/* duplicate points in a temp area with the new subdivide data */
+			temp_points = MEM_dupallocN(gps->points);
+
+			/* extreme points are not changed */
+			for (int i = 0; i < gps->totpoints - 2; i++) {
+				bGPDspoint *pt = &temp_points[i];
+				bGPDspoint *next = &temp_points[i + 1];
+				bGPDspoint *pt_final = &gps->points[i + 1];
+
+				/* move point */
+				interp_v3_v3v3(&pt_final->x, &pt->x, &next->x, 0.5f);
+			}
+			/* free temp memory */
+			MEM_SAFE_FREE(temp_points);
+		}
+
+	}
+}
diff --git a/source/blender/editors/gpencil/gpencil_edit.c b/source/blender/editors/gpencil/gpencil_edit.c
index 6f8ee35e42a..dfc0be46b8f 100644
--- a/source/blender/editors/gpencil/gpencil_edit.c
+++ b/source/blender/editors/gpencil/gpencil_edit.c
@@ -2920,15 +2920,7 @@ static int gp_count_subdivision_cuts(bGPDstroke *gps)
 static int gp_stroke_subdivide_exec(bContext *C, wmOperator *op)
 {
 	bGPdata *gpd = ED_gpencil_data_get_active(C);
-	bGPDspoint *temp_points;
-	MDeformVert *temp_dverts;
-
 	const int cuts = RNA_int_get(op->ptr, "number_cuts");
-	MDeformVert *temp_dvert = NULL;
-	MDeformVert *dvert_final = NULL;
-
-	int totnewpoints, oldtotpoints;
-	int i2;
 
 	/* sanity checks */
 	if (ELEM(NULL, gpd))
@@ -2938,98 +2930,7 @@ static int gp_stroke_subdivide_exec(bContext *C, wmOperator *op)
 	GP_EDITABLE_STROKES_BEGIN(C, gpl, gps)
 	{
 		if (gps->flag & GP_STROKE_SELECT) {
-			/* loop as many times as cuts */
-			for (int s = 0; s < cuts; s++) {
-				totnewpoints = gp_count_subdivision_cuts(gps);
-				if (totnewpoints == 0) {
-					continue;
-				}
-				/* duplicate points in a temp area */
-				temp_points = MEM_dupallocN(gps->points);
-				if (gps->dvert == NULL) {
-					gps->dvert = MEM_callocN(sizeof(MDeformVert) * gps->totpoints, "gp_stroke_weights");
-				}
-				temp_dverts = MEM_dupallocN(gps->dvert);
-
-				oldtotpoints = gps->totpoints;
-				if (gps->dvert != NULL) {
-					temp_dvert = MEM_dupallocN(gps->dvert);
-				}
-				/* resize the points arrys */
-				gps->totpoints += totnewpoints;
-				gps->points = MEM_recallocN(gps->points, sizeof(*gps->points) * gps->totpoints);
-				if (gps->dvert != NULL) {
-					gps->dvert = MEM_recallocN(gps->dvert, sizeof(*gps->dvert) * gps->totpoints);
-				}
-
-				gps->flag |= GP_STROKE_RECALC_CACHES;
-
-				/* loop and interpolate */
-				i2 = 0;
-				for (int i = 0; i < oldtotpoints; i++) {
-					bGPDspoint *pt = &temp_points[i];
-					bGPDspoint *pt_final = &gps->points[i2];
-
-					MDeformVert *dvert = NULL;
-					if (gps->dvert != NULL) {
-						dvert = &temp_dvert[i];
-					}
-
-					/* copy current point */
-					copy_v3_v3(&pt_final->x, &pt->x);
-					pt_final->pressure = pt->pressure;
-					pt_final->strength = pt->strength;
-					pt_final->time = pt->time;
-					pt_final->flag = pt->flag;
-
-					if (gps->dvert != NULL) {
-						dvert_final = &gps->dvert[i2];
-						dvert_final->totweight = dvert->totweight;
-						dvert_final->dw = dvert->dw;
-					}
-					i2++;
-
-					/* if next point is selected add a half way point */
-					if (pt->flag & GP_SPOINT_SELECT) {
-						if (i + 1 < oldtotpoints) {
-							if (temp_points[i + 1].flag & GP_SPOINT_SELECT) {
-								pt_final = &gps->points[i2];
-								if (gps->dvert != NULL) {
-									dvert_final = &gps->dvert[i2];
-								}
-								/* Interpolate all values */
-								bGPDspoint *next = &temp_points[i + 1];
-								interp_v3_v3v3(&pt_final->x, &pt->x, &next->x, 0.5f);
-								pt_final->pressure = interpf(pt->pressure, next->pressure, 0.5f);
-								pt_final->strength = interpf(pt->strength, next->strength, 0.5f);
-								CLAMP(pt_final->strength, GPENCIL_STRENGTH_MIN, 1.0f);
-								pt_final->time = interpf(pt->time, next->time, 0.5f);
-								pt_final->flag |= GP_SPOINT_SELECT;
-
-								if (gps->dvert != NULL) {
-									MDeformVert *dvert_next = &temp_dverts[i + 1];
-									dvert_final->totweight = dvert->totweight;
-									dvert_final->dw = MEM_dupallocN(dvert->dw);
-
-									/* interpolate weight values */
-									for (int d = 0; d < dvert->totweight; d++) {
-										MDeformWeight *dw_a = &dvert->dw[d];
-										if (dvert_next->totweight > d) {
-											MDeformWeight *dw_b = &dvert_next->dw[d];
-											MDeformWeight *dw_final = &dvert_final->dw[d];
-											dw_final->weight = interpf(dw_a->weight, dw_b->weight, 0.5f);
-										}
-									}
-								}
-								i2++;
-							}
-						}
-					}
-				}
-				/* free temp memory */
-				MEM_SAFE_FREE(temp_points);
-				MEM_SAFE_FREE(temp_dvert);
-			}
+			BKE_gpencil_subdivide(gps, cuts, 0);
 		}
 	}
 	GP_EDITABLE_STROKES_END;
diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpencilsubdiv.c b/source/blender/gpencil_modifiers/intern/MOD_gpencilsubdiv.c
index c3ac9840860..bea2b69177f 100644
--- a/source/blender/gpencil_modifiers/intern/MOD_gpencilsubdiv.c
+++ b/source/blender/gpencil_modifiers/intern/MOD_gpencilsubdiv.c
@@ -69,13 +69,6 @@ static void deformStroke(
         Object *ob, bGPDlayer *gpl, bGPDstroke *gps)
 {
 	SubdivGpencilModifierData *mmd = (SubdivGpencilModifierData *)md;
-	bGPDspoint *temp_points;
-	MDeformVert *temp_dverts = NULL;
-	MDeformVert *dvert = NULL;
-	MDeformVert *dvert_final = NULL;
-	MDeformVert *dvert_next = NULL;
-	int totnewpoints, oldtotpoints;
-	int i2;
 
 	if (!is_stroke_affected_by_modifier(ob,
 	        mmd->layername, mmd->pass_index, 3, gpl, gps,
@@ -84,99 +77,7 @@ static void deformStroke(
 		return;
 	}
 
-	/* loop as many times as levels */
-	for (int s = 0; s < mmd->level; s++) {
-		totnewpoints = gps->totpo

@@ Diff output truncated at 10240 characters. @@



More information about the Bf-blender-cvs mailing list