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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2017 Blender Foundation. */
/** \file
* \ingroup edgpencil
*/
#include "BLI_math.h"
#include "BLI_utildefines.h"
#include "DNA_gpencil_types.h"
#include "DNA_material_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BKE_context.h"
#include "BKE_gpencil.h"
#include "BKE_gpencil_geom.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "BLT_translation.h"
#include "DEG_depsgraph.h"
#include "ED_gpencil.h"
/* Definition of the most important info from a color */
typedef struct ColorTemplate {
const char *name;
float line[4];
float fill[4];
} ColorTemplate;
/* Add color an ensure duplications (matched by name) */
static int gpencil_stroke_material(Main *bmain, Object *ob, const ColorTemplate *pct)
{
int index;
Material *ma = BKE_gpencil_object_material_ensure_by_name(bmain, ob, DATA_(pct->name), &index);
copy_v4_v4(ma->gp_style->stroke_rgba, pct->line);
srgb_to_linearrgb_v4(ma->gp_style->stroke_rgba, ma->gp_style->stroke_rgba);
copy_v4_v4(ma->gp_style->fill_rgba, pct->fill);
srgb_to_linearrgb_v4(ma->gp_style->fill_rgba, ma->gp_style->fill_rgba);
return index;
}
/* ***************************************************************** */
/* Stroke Geometry */
/* ***************************************************************** */
/* Color Data */
static const ColorTemplate gp_stroke_material_black = {
N_("Black"),
{0.0f, 0.0f, 0.0f, 1.0f},
{0.0f, 0.0f, 0.0f, 0.0f},
};
/* ***************************************************************** */
/* Blank API */
void ED_gpencil_create_blank(bContext *C, Object *ob, float UNUSED(mat[4][4]))
{
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
bGPdata *gpd = (bGPdata *)ob->data;
/* create colors */
int color_black = gpencil_stroke_material(bmain, ob, &gp_stroke_material_black);
/* set first color as active and in brushes */
ob->actcol = color_black + 1;
/* layers */
bGPDlayer *layer = BKE_gpencil_layer_addnew(gpd, "GP_Layer", true, false);
/* frames */
BKE_gpencil_frame_addnew(layer, scene->r.cfra);
/* update depsgraph */
DEG_id_tag_update(&gpd->id, ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY);
gpd->flag |= GP_DATA_CACHE_IS_DIRTY;
}
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