Robin Allen
f9ceeeede6
Delegates now receive a TexParams* instead of float *coords. This gives texture nodes access to dxt, dyt, cfra as well as coords. This fixes the time node and allows nice sampling to be implemented.
107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/**
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* $Id$
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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): Robin Allen
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#include "../TEX_util.h"
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static bNodeSocketType outputs[]= {
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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 colorfn(float *out, TexParams *p, bNode *node, bNodeStack **in, short thread)
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{
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float x = p->coord[0];
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float y = p->coord[1];
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Image *ima= (Image *)node->id;
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ImageUser *iuser= (ImageUser *)node->storage;
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if( ima ) {
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ImBuf *ibuf = BKE_image_get_ibuf(ima, iuser);
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if( ibuf ) {
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float xsize, ysize;
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float xoff, yoff;
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int px, py;
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float *result;
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xsize = ibuf->x / 2;
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ysize = ibuf->y / 2;
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xoff = yoff = -1;
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px = (int)( (x-xoff) * xsize );
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py = (int)( (y-yoff) * ysize );
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if( (!xsize) || (!ysize) ) return;
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if( !ibuf->rect_float ) IMB_float_from_rect(ibuf);
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while( px < 0 ) px += ibuf->x;
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while( py < 0 ) py += ibuf->y;
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while( px >= ibuf->x ) px -= ibuf->x;
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while( py >= ibuf->y ) py -= ibuf->y;
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result = ibuf->rect_float + py*ibuf->x*4 + px*4;
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QUATCOPY( out, result );
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}
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}
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};
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static void exec(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
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{
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tex_output(node, in, out[0], &colorfn);
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tex_do_preview(node, out[0], data);
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}
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static void init(bNode* node)
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{
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ImageUser *iuser= MEM_callocN(sizeof(ImageUser), "node image user");
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node->storage= iuser;
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iuser->sfra= 1;
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iuser->fie_ima= 2;
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iuser->ok= 1;
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}
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bNodeType tex_node_image= {
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/* *next,*prev */ NULL, NULL,
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/* type code */ TEX_NODE_IMAGE,
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/* name */ "Image",
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/* width+range */ 120, 80, 300,
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/* class+opts */ NODE_CLASS_INPUT, NODE_PREVIEW|NODE_OPTIONS,
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/* input sock */ NULL,
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/* output sock */ outputs,
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/* storage */ "ImageUser",
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/* execfunc */ exec,
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/* butfunc */ NULL,
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/* initfunc */ init,
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/* freestoragefunc */ node_free_standard_storage,
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/* copystoragefunc */ node_copy_standard_storage,
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/* id */ NULL
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};
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