Initial commit. Not in build system so shouldn't interfere with anything at this point. Will commit modified versions of existing files once build system is tested.

1 files changed, 178 insertions, 0 deletions

diff --git a/source/blender/nodes/intern/CMP_nodes/CMP_splitViewer.c b/source/blender/nodes/intern/CMP_nodes/CMP_splitViewer.c
new file mode 100644
index 00000000000..39b7af840b4
--- /dev/null
+++ b/source/blender/nodes/intern/CMP_nodes/CMP_splitViewer.c
@@ -0,0 +1,178 @@
+/**
+ * $Id$
+ *
+ * ***** 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2006 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#include "../CMP_util.h"
+
+/* **************** SPLIT VIEWER ******************** */
+static bNodeSocketType cmp_node_splitviewer_in[]= {
+	{	SOCK_RGBA, 1, "Image",		0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
+	{	SOCK_RGBA, 1, "Image",		0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
+	{	-1, 0, ""	}
+};
+
+static void do_copy_split_rgba(bNode *node, float *out, float *in1, float *in2, float *fac)
+{
+	if(*fac==0.0f) {
+		QUATCOPY(out, in1);
+	}
+	else {
+		QUATCOPY(out, in2);
+	}
+}
+
+static void node_composit_exec_splitviewer(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
+{
+	/* image assigned to output */
+	/* stack order input sockets: image image */
+	
+	if(in[0]->data==NULL || in[1]->data==NULL)
+		return;
+	
+	if(node->id && (node->flag & NODE_DO_OUTPUT)) {	/* only one works on out */
+		Image *ima= (Image *)node->id;
+		RenderData *rd= data;
+		ImBuf *ibuf;
+		CompBuf *cbuf, *buf1, *buf2, *mask;
+		int x, y;
+		float offset;
+		
+		buf1= typecheck_compbuf(in[0]->data, CB_RGBA);
+		buf2= typecheck_compbuf(in[1]->data, CB_RGBA);
+		
+		BKE_image_user_calc_imanr(node->storage, rd->cfra, 0);
+		
+		/* always returns for viewer image, but we check nevertheless */
+		ibuf= BKE_image_get_ibuf(ima, node->storage);
+		if(ibuf==NULL) {
+			printf("node_composit_exec_viewer error\n");
+			return;
+		}
+		
+		/* free all in ibuf */
+		imb_freerectImBuf(ibuf);
+		imb_freerectfloatImBuf(ibuf);
+		IMB_freezbuffloatImBuf(ibuf);
+		
+		/* make ibuf, and connect to ima */
+		ibuf->x= buf1->x;
+		ibuf->y= buf1->y;
+		imb_addrectfloatImBuf(ibuf);
+		
+		ima->ok= IMA_OK_LOADED;
+
+		/* output buf */
+		cbuf= alloc_compbuf(buf1->x, buf1->y, CB_RGBA, 0);	/* no alloc*/
+		cbuf->rect= ibuf->rect_float;
+		
+		/* mask buf */
+		mask= alloc_compbuf(buf1->x, buf1->y, CB_VAL, 1);
+		
+		
+		/* Check which offset mode is selected and limit offset if needed */
+		if(node->custom2 == 0) {
+			offset = buf1->x / 100.0f * node->custom1;
+			CLAMP(offset, 0, buf1->x);
+		}
+		else {
+			offset = buf1->y / 100.0f * node->custom1;
+			CLAMP(offset, 0, buf1->y);
+		}
+		
+		if(node->custom2 == 0) {
+			for(y=0; y<buf1->y; y++) {
+				float *fac= mask->rect + y*buf1->x;
+				for(x=offset; x>0; x--, fac++)
+					*fac= 1.0f;
+			}
+		}
+		else {
+			for(y=0; y<offset; y++) {
+				float *fac= mask->rect + y*buf1->x;
+				for(x=buf1->x; x>0; x--, fac++)
+					*fac= 1.0f;
+			}
+		}
+		
+		composit3_pixel_processor(node, cbuf, buf1, in[0]->vec, buf2, in[1]->vec, mask, NULL, do_copy_split_rgba, CB_RGBA, CB_RGBA, CB_VAL);
+		
+		generate_preview(node, cbuf);
+		free_compbuf(cbuf);
+		free_compbuf(mask);
+		
+		if(in[0]->data != buf1) 
+			free_compbuf(buf1);
+		if(in[1]->data != buf2) 
+			free_compbuf(buf2);
+	}
+}
+
+static int node_composit_buts_splitviewer(uiBlock *block, bNodeTree *ntree, bNode *node, rctf *butr)
+{
+   if(block) {	
+      uiBlockBeginAlign(block);
+
+      uiDefButS(block, ROW, B_NODE_EXEC+node->nr, "X",
+         butr->xmin, butr->ymin+19, (butr->xmax-butr->xmin)/2, 20, 
+         &node->custom2, 0.0, 0.0, 0, 0, "");
+      uiDefButS(block, ROW, B_NODE_EXEC+node->nr, "Y",
+         butr->xmin+(butr->xmax-butr->xmin)/2, butr->ymin+19, (butr->xmax-butr->xmin)/2, 20, 
+         &node->custom2, 0.0, 1.0, 0, 0, "");
+
+      uiDefButS(block, NUMSLI, B_NODE_EXEC+node->nr, "Split %: ",
+         butr->xmin, butr->ymin, butr->xmax-butr->xmin, 20, &node->custom1, 0, 100, 10, 0, "");
+   }
+   return 40;
+}
+
+static void node_composit_init_splitviewer(bNode* node)
+{
+   ImageUser *iuser= MEM_callocN(sizeof(ImageUser), "node image user");
+   node->storage= iuser;
+   iuser->sfra= 1;
+   iuser->fie_ima= 2;
+   iuser->ok= 1;
+   node->custom1= 50;	/* default 50% split */
+}
+
+bNodeType cmp_node_splitviewer= {
+	/* type code   */	CMP_NODE_SPLITVIEWER,
+	/* name        */	"SplitViewer",
+	/* width+range */	140, 100, 320,
+	/* class+opts  */	NODE_CLASS_OUTPUT, NODE_PREVIEW|NODE_OPTIONS,
+	/* input sock  */	cmp_node_splitviewer_in,
+	/* output sock */	NULL,
+	/* storage     */	"ImageUser",
+	/* execfunc    */	node_composit_exec_splitviewer,
+   /* butfunc     */ node_composit_buts_splitviewer,
+                     node_composit_init_splitviewer
+};
+
+
+
+