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/*
* 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) 2020 Blender Foundation
* All rights reserved.
*/
/** \file
* \ingroup bgpencil
*/
#include <cstdio>
#include "BLI_listbase.h"
#include "DNA_gpencil_types.h"
#include "DNA_screen_types.h"
#include "DNA_space_types.h"
#include "BKE_context.h"
#include "BKE_gpencil.h"
#include "BKE_main.h"
#include "BKE_scene.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_query.h"
#include "../gpencil_io.h"
#ifdef WITH_HARU
# include "gpencil_io_export_pdf.hh"
#endif
#ifdef WITH_PUGIXML
# include "gpencil_io_export_svg.hh"
#endif
#include "gpencil_io_import_svg.hh"
#ifdef WITH_HARU
using blender::io::gpencil::GpencilExporterPDF;
#endif
#ifdef WITH_PUGIXML
using blender::io::gpencil::GpencilExporterSVG;
#endif
using blender::io::gpencil::GpencilImporterSVG;
/* Check if frame is included. */
#ifdef WITH_HARU
static bool is_keyframe_included(bGPdata *gpd_, const int32_t framenum, const bool use_selected)
{
/* Check if exist a frame. */
LISTBASE_FOREACH (bGPDlayer *, gpl, &gpd_->layers) {
if (gpl->flag & GP_LAYER_HIDE) {
continue;
}
LISTBASE_FOREACH (bGPDframe *, gpf, &gpl->frames) {
if (gpf->framenum == framenum) {
if ((!use_selected) || (use_selected && (gpf->flag & GP_FRAME_SELECT))) {
return true;
}
}
}
}
return false;
}
#endif
/* Import frame. */
static bool gpencil_io_import_frame(void *in_importer, const GpencilIOParams &iparams)
{
bool result = false;
switch (iparams.mode) {
case GP_IMPORT_FROM_SVG: {
GpencilImporterSVG *importer = (GpencilImporterSVG *)in_importer;
result |= importer->read();
break;
}
/* Add new import formats here. */
default:
break;
}
return result;
}
/* Export frame in PDF. */
#ifdef WITH_HARU
static bool gpencil_io_export_pdf(Depsgraph *depsgraph,
Scene *scene,
Object *ob,
GpencilExporterPDF *exporter,
const GpencilIOParams *iparams)
{
bool result = false;
Object *ob_eval_ = (Object *)DEG_get_evaluated_id(depsgraph, &ob->id);
bGPdata *gpd_eval = (bGPdata *)ob_eval_->data;
exporter->frame_number_set(iparams->frame_cur);
result |= exporter->new_document();
const bool use_frame_selected = (iparams->frame_mode == GP_EXPORT_FRAME_SELECTED);
if (use_frame_selected) {
for (int32_t i = iparams->frame_start; i < iparams->frame_end + 1; i++) {
if (!is_keyframe_included(gpd_eval, i, use_frame_selected)) {
continue;
}
CFRA = i;
BKE_scene_graph_update_for_newframe(depsgraph);
exporter->prepare_camera_params(iparams);
exporter->frame_number_set(i);
exporter->add_newpage();
exporter->add_body();
}
result = exporter->write();
/* Back to original frame. */
exporter->frame_number_set(iparams->frame_cur);
CFRA = iparams->frame_cur;
BKE_scene_graph_update_for_newframe(depsgraph);
}
else {
exporter->prepare_camera_params(iparams);
exporter->add_newpage();
exporter->add_body();
result = exporter->write();
}
return result;
}
#endif
/* Export current frame in SVG. */
#ifdef WITH_PUGIXML
static bool gpencil_io_export_frame_svg(GpencilExporterSVG *exporter,
const GpencilIOParams *iparams,
const bool newpage,
const bool body,
const bool savepage)
{
bool result = false;
exporter->frame_number_set(iparams->frame_cur);
exporter->prepare_camera_params(iparams);
if (newpage) {
result |= exporter->add_newpage();
}
if (body) {
result |= exporter->add_body();
}
if (savepage) {
result = exporter->write();
}
return result;
}
#endif
/* Main import entry point function. */
bool gpencil_io_import(const char *filename, GpencilIOParams *iparams)
{
GpencilImporterSVG importer = GpencilImporterSVG(filename, iparams);
return gpencil_io_import_frame(&importer, *iparams);
}
/* Main export entry point function. */
bool gpencil_io_export(const char *filename, GpencilIOParams *iparams)
{
Depsgraph *depsgraph_ = CTX_data_depsgraph_pointer(iparams->C);
Scene *scene_ = CTX_data_scene(iparams->C);
Object *ob = CTX_data_active_object(iparams->C);
UNUSED_VARS(filename, depsgraph_, scene_, ob);
switch (iparams->mode) {
#ifdef WITH_PUGIXML
case GP_EXPORT_TO_SVG: {
GpencilExporterSVG exporter = GpencilExporterSVG(filename, iparams);
return gpencil_io_export_frame_svg(&exporter, iparams, true, true, true);
break;
}
#endif
#ifdef WITH_HARU
case GP_EXPORT_TO_PDF: {
GpencilExporterPDF exporter = GpencilExporterPDF(filename, iparams);
return gpencil_io_export_pdf(depsgraph_, scene_, ob, &exporter, iparams);
break;
}
#endif
/* Add new export formats here. */
default:
break;
}
return false;
}
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