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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.
*
* The Original Code is Copyright (C) 2006 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Juho Vepsäläinen
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/nodes/intern/CMP_nodes/CMP_crop.c
* \ingroup cmpnodes
*/
#include "../CMP_util.h"
/* **************** Crop ******************** */
static bNodeSocketType cmp_node_crop_in[]= {
{ SOCK_RGBA, 1, "Image", 0.8f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static bNodeSocketType cmp_node_crop_out[]= {
{ SOCK_RGBA, 0, "Image", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static void node_composit_exec_crop(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
{
if(in[0]->data) {
NodeTwoXYs *ntxy= node->storage;
CompBuf *cbuf= in[0]->data;
CompBuf *stackbuf;
int x, y;
float *srcfp, *outfp;
rcti outputrect;
if(node->custom2) {
ntxy->x1= cbuf->x* ntxy->fac_x1;
ntxy->x2= cbuf->x* ntxy->fac_x2;
ntxy->y1= cbuf->y* ntxy->fac_y1;
ntxy->y2= cbuf->y* ntxy->fac_y2;
}
/* check input image size */
if(cbuf->x <= ntxy->x1 + 1)
ntxy->x1= cbuf->x - 1;
if(cbuf->y <= ntxy->y1 + 1)
ntxy->y1= cbuf->y - 1;
if(cbuf->x <= ntxy->x2 + 1)
ntxy->x2= cbuf->x - 1;
if(cbuf->y <= ntxy->y2 + 1)
ntxy->y2= cbuf->y - 1;
/* figure out the minimums and maximums */
outputrect.xmax=MAX2(ntxy->x1, ntxy->x2) + 1;
outputrect.xmin=MIN2(ntxy->x1, ntxy->x2);
outputrect.ymax=MAX2(ntxy->y1, ntxy->y2) + 1;
outputrect.ymin=MIN2(ntxy->y1, ntxy->y2);
if(node->custom1) {
/* this option crops the image size too */
stackbuf= get_cropped_compbuf(&outputrect, cbuf->rect, cbuf->x, cbuf->y, cbuf->type);
}
else {
/* this option won't crop the size of the image as well */
/* allocate memory for the output image */
stackbuf = alloc_compbuf(cbuf->x, cbuf->y, cbuf->type, 1);
/* select the cropped part of the image and set it to the output */
for(y=outputrect.ymin; y<outputrect.ymax; y++){
srcfp= cbuf->rect + (y * cbuf->x + outputrect.xmin) * cbuf->type;
outfp= stackbuf->rect + (y * stackbuf->x + outputrect.xmin) * stackbuf->type;
for(x=outputrect.xmin; x<outputrect.xmax; x++, outfp+= stackbuf->type, srcfp+= cbuf->type)
memcpy(outfp, srcfp, sizeof(float)*stackbuf->type);
}
}
out[0]->data= stackbuf;
}
}
static void node_composit_init_crop(bNode* node)
{
NodeTwoXYs *nxy= MEM_callocN(sizeof(NodeTwoXYs), "node xy data");
node->storage= nxy;
nxy->x1= 0;
nxy->x2= 0;
nxy->y1= 0;
nxy->y2= 0;
}
void register_node_type_cmp_crop(ListBase *lb)
{
static bNodeType ntype;
node_type_base(&ntype, CMP_NODE_CROP, "Crop", NODE_CLASS_DISTORT, NODE_OPTIONS,
cmp_node_crop_in, cmp_node_crop_out);
node_type_size(&ntype, 140, 100, 320);
node_type_init(&ntype, node_composit_init_crop);
node_type_storage(&ntype, "NodeTwoXYs", node_free_standard_storage, node_copy_standard_storage);
node_type_exec(&ntype, node_composit_exec_crop);
nodeRegisterType(lb, &ntype);
}
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