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/* ***** 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.
*
* The Original Code is Copyright (C) 2017, Blender Foundation
* This is a new part of Blender
*
* Contributor(s): Antonio Vazquez
*
* ***** END GPL LICENSE BLOCK *****
*
*/
/** \file blender/gpencil_modifiers/intern/MOD_gpencilsimplify.c
* \ingroup modifiers
*/
#include <stdio.h>
#include "DNA_scene_types.h"
#include "DNA_object_types.h"
#include "DNA_gpencil_types.h"
#include "DNA_gpencil_modifier_types.h"
#include "DNA_vec_types.h"
#include "BLI_utildefines.h"
#include "BKE_context.h"
#include "BKE_gpencil.h"
#include "BKE_gpencil_modifier.h"
#include "DEG_depsgraph.h"
#include "MOD_gpencil_util.h"
#include "MOD_gpencil_modifiertypes.h"
static void initData(GpencilModifierData *md)
{
SimplifyGpencilModifierData *gpmd = (SimplifyGpencilModifierData *)md;
gpmd->pass_index = 0;
gpmd->step = 1;
gpmd->factor = 0.0f;
gpmd->layername[0] = '\0';
}
static void copyData(const GpencilModifierData *md, GpencilModifierData *target)
{
BKE_gpencil_modifier_copyData_generic(md, target);
}
static void deformStroke(
GpencilModifierData *md, Depsgraph *UNUSED(depsgraph),
Object *ob, bGPDlayer *gpl, bGPDstroke *gps)
{
SimplifyGpencilModifierData *mmd = (SimplifyGpencilModifierData *)md;
if (!is_stroke_affected_by_modifier(ob,
mmd->layername, mmd->pass_index, 4, gpl, gps,
mmd->flag & GP_SIMPLIFY_INVERT_LAYER, mmd->flag & GP_SIMPLIFY_INVERT_PASS))
{
return;
}
if (mmd->mode == GP_SIMPLIFY_FIXED) {
for (int i = 0; i < mmd->step; i++) {
BKE_gpencil_simplify_fixed(gps);
}
}
else {
/* simplify stroke using Ramer-Douglas-Peucker algorithm */
BKE_gpencil_simplify_stroke(gps, mmd->factor);
}
}
static void bakeModifier(
struct Main *UNUSED(bmain), Depsgraph *depsgraph,
GpencilModifierData *md, Object *ob)
{
bGPdata *gpd = ob->data;
for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {
for (bGPDframe *gpf = gpl->frames.first; gpf; gpf = gpf->next) {
for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) {
deformStroke(md, depsgraph, ob, gpl, gps);
}
}
}
}
GpencilModifierTypeInfo modifierType_Gpencil_Simplify = {
/* name */ "Simplify",
/* structName */ "SimplifyGpencilModifierData",
/* structSize */ sizeof(SimplifyGpencilModifierData),
/* type */ eGpencilModifierTypeType_Gpencil,
/* flags */ eGpencilModifierTypeFlag_SupportsEditmode,
/* copyData */ copyData,
/* deformStroke */ deformStroke,
/* generateStrokes */ NULL,
/* bakeModifier */ bakeModifier,
/* remapTime */ NULL,
/* initData */ initData,
/* freeData */ NULL,
/* isDisabled */ NULL,
/* updateDepsgraph */ NULL,
/* dependsOnTime */ NULL,
/* foreachObjectLink */ NULL,
/* foreachIDLink */ NULL,
/* foreachTexLink */ NULL,
};
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