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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.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/curve/editfont_undo.c
* \ingroup edcurve
*/
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include "MEM_guardedalloc.h"
#include "BLI_utildefines.h"
#include "DNA_curve_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BKE_context.h"
#include "BKE_font.h"
#include "ED_curve.h"
#include "ED_util.h"
typedef struct UndoFont {
wchar_t *textbuf;
struct CharInfo *textbufinfo;
int len, pos;
} UndoFont;
static void undoFont_to_editFont(void *uf_v, void *ecu, void *UNUSED(obdata))
{
Curve *cu = (Curve *)ecu;
EditFont *ef = cu->editfont;
const UndoFont *uf = uf_v;
size_t final_size;
final_size = sizeof(wchar_t) * (uf->len + 1);
memcpy(ef->textbuf, uf->textbuf, final_size);
final_size = sizeof(CharInfo) * (uf->len + 1);
memcpy(ef->textbufinfo, uf->textbufinfo, final_size);
ef->pos = uf->pos;
ef->len = uf->len;
ef->selstart = ef->selend = 0;
}
static void *editFont_to_undoFont(void *ecu, void *UNUSED(obdata))
{
Curve *cu = (Curve *)ecu;
EditFont *ef = cu->editfont;
UndoFont *uf = MEM_callocN(sizeof(*uf), __func__);
size_t final_size;
final_size = sizeof(wchar_t) * (ef->len + 1);
uf->textbuf = MEM_mallocN(final_size, __func__);
memcpy(uf->textbuf, ef->textbuf, final_size);
final_size = sizeof(CharInfo) * (ef->len + 1);
uf->textbufinfo = MEM_mallocN(final_size, __func__);
memcpy(uf->textbufinfo, ef->textbufinfo, final_size);
uf->pos = ef->pos;
uf->len = ef->len;
return uf;
}
static void free_undoFont(void *uf_v)
{
UndoFont *uf = uf_v;
MEM_freeN(uf->textbuf);
MEM_freeN(uf->textbufinfo);
MEM_freeN(uf);
}
static void *get_undoFont(bContext *C)
{
Object *obedit = CTX_data_edit_object(C);
if (obedit && obedit->type == OB_FONT) {
return obedit->data;
}
return NULL;
}
/* and this is all the undo system needs to know */
void undo_push_font(bContext *C, const char *name)
{
undo_editmode_push(C, name, get_undoFont, free_undoFont, undoFont_to_editFont, editFont_to_undoFont, NULL);
}
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