1 files changed, 357 insertions, 0 deletions
diff --git a/source/blender/imbuf/intern/allocimbuf.c b/source/blender/imbuf/intern/allocimbuf.c
new file mode 100644
index 00000000000..8d9eb17c9c2
--- /dev/null
+++ b/source/blender/imbuf/intern/allocimbuf.c
@@ -0,0 +1,357 @@
+/**
+ * allocimbuf.c
+ *
+ * $Id$
+ *
+ * ***** 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 *****
+ */
+
+/* It's become a bit messy... Basically, only the IMB_ prefixed files
+ * should remain. */
+
+#include "IMB_imbuf_types.h"
+
+#include "imbuf.h"
+#include "imbuf_patch.h"
+#include "IMB_imbuf.h"
+
+#include "IMB_divers.h"
+#include "IMB_allocimbuf.h"
+
+static unsigned int dfltcmap[16] = {
+	0x00000000, 0xffffffff, 0x777777ff, 0xccccccff, 
+	0xcc3344ff, 0xdd8844ff, 0xccdd44ff, 0x888833ff, 
+	0x338844ff, 0x44dd44ff, 0x44ddccff, 0x3388ccff, 
+	0x8888ddff, 0x4433ccff, 0xcc33ccff, 0xcc88ddff
+};
+
+void imb_freeplanesImBuf(struct ImBuf * ibuf)
+{
+	if (ibuf==0) return;
+	if (ibuf->planes){
+		if (ibuf->mall & IB_planes) free(ibuf->planes);
+	}
+	ibuf->planes = 0;
+	ibuf->mall &= ~IB_planes;
+}
+
+
+void imb_freerectImBuf(struct ImBuf * ibuf)
+{
+	if (ibuf==0) return;
+	if (ibuf->rect){
+		if (ibuf->mall & IB_rect) free(ibuf->rect);
+	}
+	ibuf->rect=0;
+	ibuf->mall &= ~IB_rect;
+}
+
+static void freeencodedbufferImBuf(struct ImBuf * ibuf)
+{
+	if (ibuf==0) return;
+	if (ibuf->encodedbuffer){
+		if (ibuf->mall & IB_mem) free(ibuf->encodedbuffer);
+	}
+	ibuf->encodedbuffer = 0;
+	ibuf->encodedbuffersize = 0;
+	ibuf->encodedsize = 0;
+	ibuf->mall &= ~IB_mem;
+}
+
+void IMB_freezbufImBuf(struct ImBuf * ibuf)
+{
+	if (ibuf==0) return;
+	if (ibuf->zbuf){
+		if (ibuf->mall & IB_zbuf) free(ibuf->zbuf);
+	}
+	ibuf->zbuf=0;
+	ibuf->mall &= ~IB_zbuf;
+}
+
+void IMB_freecmapImBuf(struct ImBuf * ibuf)
+{
+	if (ibuf == 0) return;
+	if (ibuf->cmap){
+		if (ibuf->mall & IB_cmap) free(ibuf->cmap);
+	}
+	ibuf->cmap = 0;
+	ibuf->mall &= ~IB_cmap;
+}
+
+
+void IMB_freeImBuf(struct ImBuf * ibuf)
+{
+	if (ibuf){
+		imb_freeplanesImBuf(ibuf);
+		imb_freerectImBuf(ibuf);
+		IMB_freezbufImBuf(ibuf);
+		IMB_freecmapImBuf(ibuf);
+		freeencodedbufferImBuf(ibuf);
+		free(ibuf);
+	}
+}
+
+
+static short addzbufImBuf(struct ImBuf * ibuf)
+{
+	int size;
+
+	if (ibuf==0) return(FALSE);
+	IMB_freezbufImBuf(ibuf);
+
+	size = ibuf->x * ibuf->y * sizeof(unsigned int);
+	if (ibuf->zbuf = MEM_mallocN(size, "addzbufImBuf")){
+		ibuf->mall |= IB_zbuf;
+		return (TRUE);
+	}
+
+	return (FALSE);
+}
+
+
+short imb_addencodedbufferImBuf(struct ImBuf * ibuf)
+{
+	if (ibuf==0) return(FALSE);
+
+	freeencodedbufferImBuf(ibuf);
+
+	if (ibuf->encodedbuffersize == 0) 
+		ibuf->encodedbuffersize = 10000;
+
+	ibuf->encodedsize = 0;
+
+	if (ibuf->encodedbuffer = MEM_mallocN(ibuf->encodedbuffersize, "addencodedbufferImBuf")){
+		ibuf->mall |= IB_mem;
+		return (TRUE);
+	}
+
+	return (FALSE);
+}
+
+
+short imb_enlargeencodedbufferImBuf(struct ImBuf * ibuf)
+{
+	unsigned int newsize, encodedsize;
+	void *newbuffer;
+
+	if (ibuf==0) return(FALSE);
+
+	if (ibuf->encodedbuffersize < ibuf->encodedsize) {
+		printf("imb_enlargeencodedbufferImBuf: error in parameters\n");
+		return(FALSE);
+	}
+
+	newsize = 2 * ibuf->encodedbuffersize;
+	if (newsize < 10000) newsize = 10000;
+
+	newbuffer = MEM_mallocN(newsize, "enlargeencodedbufferImBuf");
+	if (newbuffer == NULL) return(FALSE);
+
+	if (ibuf->encodedbuffer) {
+		memcpy(newbuffer, ibuf->encodedbuffer, ibuf->encodedsize);
+	} else {
+		ibuf->encodedsize = 0;
+	}
+
+	encodedsize = ibuf->encodedsize;
+
+	freeencodedbufferImBuf(ibuf);
+
+	ibuf->encodedbuffersize = newsize;
+	ibuf->encodedsize = encodedsize;
+	ibuf->encodedbuffer = newbuffer;
+	ibuf->mall |= IB_mem;
+
+	return (TRUE);
+}
+
+
+short imb_addrectImBuf(struct ImBuf * ibuf)
+{
+	int size;
+
+	if (ibuf==0) return(FALSE);
+	imb_freerectImBuf(ibuf);
+
+	size = ibuf->x * ibuf->y * sizeof(unsigned int);
+	if (ibuf->rect = MEM_mallocN(size, "imb_addrectImBuf")){
+		ibuf->mall |= IB_rect;
+		if (ibuf->depth > 32) return (addzbufImBuf(ibuf));
+		else return (TRUE);
+	}
+
+	return (FALSE);
+}
+
+
+short imb_addcmapImBuf(struct ImBuf *ibuf)
+{
+	int min;
+	
+	if (ibuf==0) return(FALSE);
+	IMB_freecmapImBuf(ibuf);
+
+	imb_checkncols(ibuf);
+	if (ibuf->maxcol == 0) return (TRUE);
+
+	if (ibuf->cmap = MEM_callocN(sizeof(unsigned int) * ibuf->maxcol, "imb_addcmapImBuf")){
+		min = ibuf->maxcol * sizeof(unsigned int);
+		if (min > sizeof(dfltcmap)) min = sizeof(dfltcmap);
+		memcpy(ibuf->cmap, dfltcmap, min);
+		ibuf->mall |= IB_cmap;
+		return (TRUE);
+	}
+
+	return (FALSE);
+}
+
+
+short imb_addplanesImBuf(struct ImBuf *ibuf)
+{
+	int size;
+	short skipx,d,y;
+	unsigned int **planes;
+	unsigned int *point2;
+
+	if (ibuf==0) return(FALSE);
+	imb_freeplanesImBuf(ibuf);
+
+	skipx = ((ibuf->x+31) >> 5);
+	ibuf->skipx=skipx;
+	y=ibuf->y;
+	d=ibuf->depth;
+
+	planes = MEM_mallocN( (d*skipx*y)*sizeof(int) + d*sizeof(int *), "imb_addplanesImBuf");
+	
+	ibuf->planes = planes;
+	if (planes==0) return (FALSE);
+
+	point2 = (unsigned int *)(planes+d);
+	size = skipx*y;
+
+	for (;d>0;d--){
+		*(planes++) = point2;
+		point2 += size;
+	}
+	ibuf->mall |= IB_planes;
+
+	return (TRUE);
+}
+
+
+struct ImBuf *IMB_allocImBuf(short x,short y,uchar d,unsigned int flags,uchar bitmap)
+{
+	struct ImBuf *ibuf;
+
+	ibuf = MEM_callocN(sizeof(struct ImBuf), "ImBuf_struct");
+	if (bitmap) flags |= IB_planes;
+
+	if (ibuf){
+		ibuf->x=x;
+		ibuf->y=y;
+		ibuf->depth=d;
+		ibuf->ftype=TGA;
+
+		if (flags & IB_rect){
+			if (imb_addrectImBuf(ibuf)==FALSE){
+				IMB_freeImBuf(ibuf);
+				return (0);
+			}
+		}
+		
+		if (flags & IB_zbuf){
+			if (addzbufImBuf(ibuf)==FALSE){
+				IMB_freeImBuf(ibuf);
+				return (0);
+			}
+		}
+		
+		if (flags & IB_planes){
+			if (imb_addplanesImBuf(ibuf)==FALSE){
+				IMB_freeImBuf(ibuf);
+				return (0);
+			}
+		}
+	}
+	return (ibuf);
+}
+
+
+struct ImBuf *IMB_dupImBuf(struct ImBuf *ibuf1)
+{
+	struct ImBuf *ibuf2, tbuf;
+	int flags = 0;
+	int x, y;
+	
+	if (ibuf1 == 0) return (0);
+
+	if (ibuf1->rect) flags |= IB_rect;
+	if (ibuf1->planes) flags |= IB_planes;
+
+	x = ibuf1->x;
+	y = ibuf1->y;
+	if (ibuf1->flags & IB_fields) y *= 2;
+	
+	ibuf2 = IMB_allocImBuf(x, y, ibuf1->depth, flags, 0);
+	if (ibuf2 == 0) return (0);
+
+	if (flags & IB_rect) memcpy(ibuf2->rect,ibuf1->rect,x * y * sizeof(int));
+	if (flags & IB_planes) memcpy(*(ibuf2->planes),*(ibuf1->planes),ibuf1->depth * ibuf1->skipx * y * sizeof(int));
+
+	if (ibuf1->encodedbuffer) {
+		ibuf2->encodedbuffersize = ibuf1->encodedbuffersize;
+		if (imb_addencodedbufferImBuf(ibuf2) == FALSE) {
+			IMB_freeImBuf(ibuf2);
+			return(0);
+		}
+
+		memcpy(ibuf2->encodedbuffer, ibuf1->encodedbuffer, ibuf1->encodedsize);
+	}
+
+
+	tbuf = *ibuf1;
+	
+	// pointers goedzetten
+	tbuf.rect		= ibuf2->rect;
+	tbuf.planes		= ibuf2->planes;
+	tbuf.cmap		= ibuf2->cmap;
+	tbuf.encodedbuffer = ibuf2->encodedbuffer;
+	
+	// malloc flag goed zetten
+	tbuf.mall		= ibuf2->mall;
+	
+	*ibuf2 = tbuf;
+	
+	if (ibuf1->cmap){
+		imb_addcmapImBuf(ibuf2);
+		if (ibuf2->cmap) memcpy(ibuf2->cmap,ibuf1->cmap,ibuf2->maxcol * sizeof(int));
+	}
+
+	return(ibuf2);
+}