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blender-archive/source/blender/imbuf/intern/rectop.c
Hans Lambermont 12315f4d0e Initial revision
2002-10-12 11:37:38 +00:00

136 lines
3.0 KiB
C

/**
*
* ***** BEGIN GPL/BL DUAL 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
* allocimbuf.c
*
* $Id$
*/
#ifdef WIN32
#include "BLI_winstuff.h"
#endif
#include "BLI_blenlib.h"
#include "imbuf.h"
#include "imbuf_patch.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "IMB_allocimbuf.h"
void IMB_rectcpy(unsigned int *drect, unsigned int *srect, int x, int dummy)
{
memcpy(drect,srect, x * sizeof(int));
}
void IMB_rectfill(unsigned int *drect, unsigned int *srect, int x, int value)
{
for (;x > 0; x--) *drect++ = value;
}
void IMB_rectop(struct ImBuf *dbuf,
struct ImBuf *sbuf,
int destx,
int desty,
int srcx,
int srcy,
int width,
int height,
void (*operation)(unsigned int *, unsigned int*, int, int),
int value)
{
unsigned int *drect,*srect;
if (dbuf == 0) return;
if (operation == 0) return;
if (destx < 0){
srcx -= destx ;
width += destx ;
destx = 0;
}
if (srcx < 0){
destx -= srcx ;
width += destx ;
srcx = 0;
}
if (desty < 0){
srcy -= desty ;
height += desty ;
desty = 0;
}
if (srcy < 0){
desty -= srcy ;
height += desty ;
srcy = 0;
}
if (width > dbuf->x - destx) width = dbuf->x - destx;
if (height > dbuf->y - desty) height = dbuf->y - desty;
if (sbuf){
if (width > sbuf->x - srcx) width = sbuf->x - srcx;
if (height > sbuf->y - srcy) height = sbuf->y - srcy;
}
if (width <= 0) return;
if (height <= 0) return;
drect = dbuf->rect;
if (sbuf) srect = sbuf->rect;
drect += desty * dbuf->x;
drect += destx;
destx = dbuf->x;
if (sbuf) {
srect += srcy * sbuf->x;
srect += srcx;
srcx = sbuf->x;
} else{
srect = drect;
srcx = destx;
}
for (;height > 0; height--){
operation(drect,srect,width, value);
drect += destx;
srect += srcx;
}
}
void IMB_rectoptot(struct ImBuf *dbuf,
struct ImBuf *sbuf,
void (*operation)(unsigned int *, unsigned int*, int, int),
int value)
{
IMB_rectop(dbuf,sbuf,0,0,0,0,32767,32767,operation, value);
}