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Diffstat (limited to 'source/blender/imbuf/intern/rectop.c')
-rw-r--r-- | source/blender/imbuf/intern/rectop.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/source/blender/imbuf/intern/rectop.c b/source/blender/imbuf/intern/rectop.c new file mode 100644 index 00000000000..32f01eea6c8 --- /dev/null +++ b/source/blender/imbuf/intern/rectop.c @@ -0,0 +1,135 @@ +/** + * + * ***** 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); +} |