Antonio Vazquez
45ec08dc99
This option uses the same logic of the merge by distance but as an option of modifier to allow dynamic merge. This option will be very useful for LANPR generated strokes.
145 lines
4.3 KiB
C
145 lines
4.3 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2017, Blender Foundation
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* This is a new part of Blender
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*/
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/** \file
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* \ingroup modifiers
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*/
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#include <stdio.h>
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#include "BLI_utildefines.h"
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#include "DNA_scene_types.h"
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#include "DNA_object_types.h"
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#include "DNA_gpencil_types.h"
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#include "DNA_gpencil_modifier_types.h"
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#include "DNA_vec_types.h"
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#include "BKE_gpencil.h"
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#include "BKE_gpencil_modifier.h"
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#include "DEG_depsgraph.h"
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#include "MOD_gpencil_util.h"
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#include "MOD_gpencil_modifiertypes.h"
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static void initData(GpencilModifierData *md)
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{
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SimplifyGpencilModifierData *gpmd = (SimplifyGpencilModifierData *)md;
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gpmd->pass_index = 0;
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gpmd->step = 1;
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gpmd->factor = 0.0f;
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gpmd->length = 0.1f;
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gpmd->layername[0] = '\0';
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}
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static void copyData(const GpencilModifierData *md, GpencilModifierData *target)
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{
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BKE_gpencil_modifier_copyData_generic(md, target);
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}
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static void deformStroke(GpencilModifierData *md,
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Depsgraph *UNUSED(depsgraph),
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Object *ob,
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bGPDlayer *gpl,
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bGPDframe *gpf,
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bGPDstroke *gps)
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{
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SimplifyGpencilModifierData *mmd = (SimplifyGpencilModifierData *)md;
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if (!is_stroke_affected_by_modifier(ob,
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mmd->layername,
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mmd->pass_index,
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mmd->layer_pass,
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mmd->mode == GP_SIMPLIFY_SAMPLE ? 3 : 4,
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gpl,
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gps,
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mmd->flag & GP_SIMPLIFY_INVERT_LAYER,
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mmd->flag & GP_SIMPLIFY_INVERT_PASS,
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mmd->flag & GP_SIMPLIFY_INVERT_LAYERPASS)) {
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return;
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}
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/* Select simplification mode. */
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switch (mmd->mode) {
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case GP_SIMPLIFY_FIXED: {
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for (int i = 0; i < mmd->step; i++) {
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BKE_gpencil_simplify_fixed(gps);
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}
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break;
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}
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case GP_SIMPLIFY_ADAPTIVE: {
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/* simplify stroke using Ramer-Douglas-Peucker algorithm */
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BKE_gpencil_simplify_stroke(gps, mmd->factor);
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break;
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}
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case GP_SIMPLIFY_SAMPLE: {
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BKE_gpencil_sample_stroke(gps, mmd->length, false);
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break;
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}
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case GP_SIMPLIFY_MERGE: {
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BKE_gpencil_merge_distance_stroke(gpf, gps, mmd->length, true);
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break;
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}
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default:
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break;
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}
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}
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static void bakeModifier(struct Main *UNUSED(bmain),
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Depsgraph *depsgraph,
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GpencilModifierData *md,
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Object *ob)
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{
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bGPdata *gpd = ob->data;
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for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {
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for (bGPDframe *gpf = gpl->frames.first; gpf; gpf = gpf->next) {
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for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) {
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deformStroke(md, depsgraph, ob, gpl, gpf, gps);
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}
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}
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}
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}
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GpencilModifierTypeInfo modifierType_Gpencil_Simplify = {
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/* name */ "Simplify",
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/* structName */ "SimplifyGpencilModifierData",
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/* structSize */ sizeof(SimplifyGpencilModifierData),
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/* type */ eGpencilModifierTypeType_Gpencil,
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/* flags */ eGpencilModifierTypeFlag_SupportsEditmode,
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/* copyData */ copyData,
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/* deformStroke */ deformStroke,
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/* generateStrokes */ NULL,
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/* bakeModifier */ bakeModifier,
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/* remapTime */ NULL,
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/* initData */ initData,
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/* freeData */ NULL,
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/* isDisabled */ NULL,
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/* updateDepsgraph */ NULL,
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/* dependsOnTime */ NULL,
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/* foreachObjectLink */ NULL,
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/* foreachIDLink */ NULL,
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/* foreachTexLink */ NULL,
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/* getDuplicationFactor */ NULL,
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};
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