Commit: 34afceb924553643d4dc56641d7d039f8da3d208
Author: Antonio Vazquez
Date: Mon Aug 7 16:58:13 2017 +0200
Branches: greasepencil-object
https://developer.blender.org/rB34afceb924553643d4dc56641d7d039f8da3d208
New Simplify stroke operator
Internally runs the same function used in Simplify modifier, but as operator.
===================================================================
M release/scripts/startup/bl_ui/properties_grease_pencil_common.py
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/editors/gpencil/gpencil_intern.h
M source/blender/editors/gpencil/gpencil_ops.c
===================================================================
diff --git a/release/scripts/startup/bl_ui/properties_grease_pencil_common.py
b/release/scripts/startup/bl_ui/properties_grease_pencil_common.py
index 2ad008ccd7f..5077cb43f44 100644
--- a/release/scripts/startup/bl_ui/properties_grease_pencil_common.py
+++ b/release/scripts/startup/bl_ui/properties_grease_pencil_common.py
@@ -220,6 +220,7 @@ class GreasePencilStrokeEditPanel:
layout.separator()
col = layout.column(align=True)
col.operator("gpencil.stroke_subdivide", text="Subdivide")
+ col.operator("gpencil.stroke_simplify", text="Simplify")
col.operator("gpencil.stroke_join", text="Join").type = 'JOIN'
col.operator("gpencil.stroke_join", text="Join & Copy").type =
'JOINCOPY'
col.operator("gpencil.stroke_flip", text="Flip Direction")
@@ -811,6 +812,7 @@ class GPENCIL_MT_gpencil_edit_specials(Menu):
layout.operator_context = 'INVOKE_REGION_WIN'
layout.operator("gpencil.stroke_subdivide", text="Subdivide")
+ layout.operator("gpencil.stroke_simplify", text="Simplify")
layout.separator()
diff --git a/source/blender/blenkernel/BKE_gpencil.h
b/source/blender/blenkernel/BKE_gpencil.h
index 09e12fde229..e7d5b57e28d 100644
--- a/source/blender/blenkernel/BKE_gpencil.h
+++ b/source/blender/blenkernel/BKE_gpencil.h
@@ -173,6 +173,9 @@ void BKE_gpencil_array_modifier(int id, struct
GpencilArrayModifierData *mmd, st
void BKE_gpencil_dupli_modifier(int id, struct GpencilDupliModifierData *mmd,
struct Object *ob, struct bGPDlayer *gpl, struct bGPDframe *gpf);
void BKE_gpencil_opacity_modifier(int id, struct GpencilOpacityModifierData
*mmd, struct Object *ob, struct bGPDlayer *gpl, struct bGPDstroke *gps);
+/* (wrapper api) simplify stroke using Ramer-Douglas-Peucker algorithm */
+void BKE_gpencil_simplify_stroke(struct bGPDlayer *gpl, struct bGPDstroke
*gps, float factor);
+
bool BKE_gpencil_use_this_lattice(struct Object *ob, struct Object *lattice);
void BKE_gpencil_lattice_init(struct Object *ob);
void BKE_gpencil_lattice_modifier(int id, struct GpencilLatticeModifierData
*mmd, struct Object *ob, struct bGPDlayer *gpl, struct bGPDstroke *gps);
diff --git a/source/blender/blenkernel/intern/gpencil_modifier.c
b/source/blender/blenkernel/intern/gpencil_modifier.c
index b44774ea988..6b67b895bac 100644
--- a/source/blender/blenkernel/intern/gpencil_modifier.c
+++ b/source/blender/blenkernel/intern/gpencil_modifier.c
@@ -848,6 +848,20 @@ void gpencil_rdp_stroke(bGPDstroke *gps, tbGPDspoint
*points2d, float epsilon)
MEM_SAFE_FREE(marked);
}
+/* (wrapper api) simplify stroke using Ramer-Douglas-Peucker algorithm */
+void BKE_gpencil_simplify_stroke(bGPDlayer *gpl, bGPDstroke *gps, float factor)
+{
+ /* first create temp data and convert points to 2D */
+ tbGPDspoint *points2d = MEM_mallocN(sizeof(tbGPDspoint) *
gps->totpoints, "GP Stroke temp 2d points");
+
+ gpencil_stroke_project_2d(gps->points, gps->totpoints, points2d);
+
+ gpencil_rdp_stroke(gps, points2d, factor);
+
+ MEM_SAFE_FREE(points2d);
+}
+
+
/* simplify stroke using Ramer-Douglas-Peucker algorithm */
void BKE_gpencil_simplify_modifier(int UNUSED(id), GpencilSimplifyModifierData
*mmd, Object *UNUSED(ob), bGPDlayer *gpl, bGPDstroke *gps)
{
diff --git a/source/blender/editors/gpencil/gpencil_edit.c
b/source/blender/editors/gpencil/gpencil_edit.c
index 437f4126af0..570eb1b3441 100644
--- a/source/blender/editors/gpencil/gpencil_edit.c
+++ b/source/blender/editors/gpencil/gpencil_edit.c
@@ -2724,3 +2724,53 @@ void GPENCIL_OT_stroke_subdivide(wmOperatorType *ot)
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
}
+
+/* ** simplify stroke *** */
+static int gp_stroke_simplify_exec(bContext *C, wmOperator *op)
+{
+ bGPdata *gpd = ED_gpencil_data_get_active(C);
+ float factor = RNA_float_get(op->ptr, "factor");
+
+ /* sanity checks */
+ if (ELEM(NULL, gpd))
+ return OPERATOR_CANCELLED;
+
+ /* Go through each editable + selected stroke */
+ GP_EDITABLE_STROKES_BEGIN(C, gpl, gps)
+ {
+ if (gps->flag & GP_STROKE_SELECT) {
+ /* simplify stroke using Ramer-Douglas-Peucker
algorithm */
+ BKE_gpencil_simplify_stroke(gpl, gps, factor);
+ }
+ }
+ GP_EDITABLE_STROKES_END;
+
+ /* notifiers */
+ BKE_gpencil_batch_cache_dirty(gpd);
+ WM_event_add_notifier(C, NC_GPENCIL | ND_DATA | NA_EDITED, NULL);
+
+ return OPERATOR_FINISHED;
+}
+
+void GPENCIL_OT_stroke_simplify(wmOperatorType *ot)
+{
+ PropertyRNA *prop;
+
+ /* identifiers */
+ ot->name = "Simplify Stroke";
+ ot->idname = "GPENCIL_OT_stroke_simplify";
+ ot->description = "Simplify selected stroked reducing number of points";
+
+ /* api callbacks */
+ ot->exec = gp_stroke_simplify_exec;
+ ot->poll = gp_active_layer_poll;
+
+ /* flags */
+ ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO | OPTYPE_BLOCKING;
+
+ /* properties */
+ prop = RNA_def_float(ot->srna, "factor", 0.0f, 0.0f, 100.0f, "Factor",
"", 0.0f, 100.0f);
+ /* avoid re-using last var */
+ RNA_def_property_flag(prop, PROP_SKIP_SAVE);
+
+}
diff --git a/source/blender/editors/gpencil/gpencil_intern.h
b/source/blender/editors/gpencil/gpencil_intern.h
index 13a051cd427..a639b804c5b 100644
--- a/source/blender/editors/gpencil/gpencil_intern.h
+++ b/source/blender/editors/gpencil/gpencil_intern.h
@@ -244,6 +244,7 @@ void GPENCIL_OT_stroke_cyclical_set(struct wmOperatorType
*ot);
void GPENCIL_OT_stroke_join(struct wmOperatorType *ot);
void GPENCIL_OT_stroke_flip(struct wmOperatorType *ot);
void GPENCIL_OT_stroke_subdivide(struct wmOperatorType *ot);
+void GPENCIL_OT_stroke_simplify(struct wmOperatorType *ot);
void GPENCIL_OT_brush_add(struct wmOperatorType *ot);
void GPENCIL_OT_brush_remove(struct wmOperatorType *ot);
diff --git a/source/blender/editors/gpencil/gpencil_ops.c
b/source/blender/editors/gpencil/gpencil_ops.c
index 71813bb18c4..ba283eabd8b 100644
--- a/source/blender/editors/gpencil/gpencil_ops.c
+++ b/source/blender/editors/gpencil/gpencil_ops.c
@@ -652,6 +652,7 @@ void ED_operatortypes_gpencil(void)
WM_operatortype_append(GPENCIL_OT_stroke_join);
WM_operatortype_append(GPENCIL_OT_stroke_flip);
WM_operatortype_append(GPENCIL_OT_stroke_subdivide);
+ WM_operatortype_append(GPENCIL_OT_stroke_simplify);
WM_operatortype_append(GPENCIL_OT_brush_add);
WM_operatortype_append(GPENCIL_OT_brush_remove);
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