130 lines
3.8 KiB
C
130 lines
3.8 KiB
C
/*
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*
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2006 Blender Foundation.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): Juho Vepsäläinen
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/nodes/intern/CMP_nodes/CMP_crop.c
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* \ingroup cmpnodes
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*/
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#include "../CMP_util.h"
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/* **************** Crop ******************** */
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static bNodeSocketType cmp_node_crop_in[]= {
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{ SOCK_RGBA, 1, "Image", 0.8f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f},
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{ -1, 0, "" }
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};
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static bNodeSocketType cmp_node_crop_out[]= {
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{ SOCK_RGBA, 0, "Image", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
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{ -1, 0, "" }
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};
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static void node_composit_exec_crop(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
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{
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if(in[0]->data) {
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NodeTwoXYs *ntxy= node->storage;
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CompBuf *cbuf= in[0]->data;
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CompBuf *stackbuf;
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int x, y;
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float *srcfp, *outfp;
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rcti outputrect;
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if(node->custom2) {
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ntxy->x1= cbuf->x* ntxy->fac_x1;
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ntxy->x2= cbuf->x* ntxy->fac_x2;
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ntxy->y1= cbuf->y* ntxy->fac_y1;
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ntxy->y2= cbuf->y* ntxy->fac_y2;
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}
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/* check input image size */
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if(cbuf->x <= ntxy->x1 + 1)
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ntxy->x1= cbuf->x - 1;
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if(cbuf->y <= ntxy->y1 + 1)
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ntxy->y1= cbuf->y - 1;
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if(cbuf->x <= ntxy->x2 + 1)
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ntxy->x2= cbuf->x - 1;
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if(cbuf->y <= ntxy->y2 + 1)
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ntxy->y2= cbuf->y - 1;
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/* figure out the minimums and maximums */
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outputrect.xmax=MAX2(ntxy->x1, ntxy->x2) + 1;
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outputrect.xmin=MIN2(ntxy->x1, ntxy->x2);
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outputrect.ymax=MAX2(ntxy->y1, ntxy->y2) + 1;
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outputrect.ymin=MIN2(ntxy->y1, ntxy->y2);
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if(node->custom1) {
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/* this option crops the image size too */
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stackbuf= get_cropped_compbuf(&outputrect, cbuf->rect, cbuf->x, cbuf->y, cbuf->type);
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}
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else {
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/* this option won't crop the size of the image as well */
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/* allocate memory for the output image */
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stackbuf = alloc_compbuf(cbuf->x, cbuf->y, cbuf->type, 1);
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/* select the cropped part of the image and set it to the output */
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for(y=outputrect.ymin; y<outputrect.ymax; y++){
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srcfp= cbuf->rect + (y * cbuf->x + outputrect.xmin) * cbuf->type;
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outfp= stackbuf->rect + (y * stackbuf->x + outputrect.xmin) * stackbuf->type;
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for(x=outputrect.xmin; x<outputrect.xmax; x++, outfp+= stackbuf->type, srcfp+= cbuf->type)
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memcpy(outfp, srcfp, sizeof(float)*stackbuf->type);
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}
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}
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out[0]->data= stackbuf;
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}
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}
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static void node_composit_init_crop(bNode* node)
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{
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NodeTwoXYs *nxy= MEM_callocN(sizeof(NodeTwoXYs), "node xy data");
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node->storage= nxy;
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nxy->x1= 0;
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nxy->x2= 0;
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nxy->y1= 0;
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nxy->y2= 0;
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}
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void register_node_type_cmp_crop(ListBase *lb)
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{
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static bNodeType ntype;
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node_type_base(&ntype, CMP_NODE_CROP, "Crop", NODE_CLASS_DISTORT, NODE_OPTIONS,
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cmp_node_crop_in, cmp_node_crop_out);
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node_type_size(&ntype, 140, 100, 320);
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node_type_init(&ntype, node_composit_init_crop);
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node_type_storage(&ntype, "NodeTwoXYs", node_free_standard_storage, node_copy_standard_storage);
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node_type_exec(&ntype, node_composit_exec_crop);
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nodeRegisterType(lb, &ntype);
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}
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