diff options
Diffstat (limited to 'source/blender/nodes/intern/TEX_nodes/TEX_image.c')
-rw-r--r-- | source/blender/nodes/intern/TEX_nodes/TEX_image.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/source/blender/nodes/intern/TEX_nodes/TEX_image.c b/source/blender/nodes/intern/TEX_nodes/TEX_image.c new file mode 100644 index 00000000000..f9477fef12b --- /dev/null +++ b/source/blender/nodes/intern/TEX_nodes/TEX_image.c @@ -0,0 +1,106 @@ +/** + * $Id: TEX_image.c 10456 2007-04-04 13:58:12Z jesterking $ + * + * ***** 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 "../TEX_util.h" + +static bNodeSocketType outputs[]= { + { SOCK_RGBA, 0, "Image", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f}, + { -1, 0, "" } +}; + +static void colorfn(float *out, float *coord, bNode *node, bNodeStack **in, short thread) +{ + float x = coord[0]; + float y = coord[1]; + Image *ima= (Image *)node->id; + ImageUser *iuser= (ImageUser *)node->storage; + + if( ima ) { + ImBuf *ibuf = BKE_image_get_ibuf(ima, iuser); + if( ibuf ) { + float xsize, ysize; + float xoff, yoff; + int px, py; + + float *result; + + xsize = ibuf->x / 2; + ysize = ibuf->y / 2; + xoff = yoff = -1; + + px = (int)( (x-xoff) * xsize ); + py = (int)( (y-yoff) * ysize ); + + if( (!xsize) || (!ysize) ) return; + if( !ibuf->rect_float ) IMB_float_from_rect(ibuf); + + while( px < 0 ) px += ibuf->x; + while( py < 0 ) py += ibuf->y; + while( px >= ibuf->x ) px -= ibuf->x; + while( py >= ibuf->y ) py -= ibuf->y; + + result = ibuf->rect_float + py*ibuf->x*4 + px*4; + QUATCOPY( out, result ); + } + } +}; + +static void exec(void *data, bNode *node, bNodeStack **in, bNodeStack **out) +{ + tex_output(node, in, out[0], &colorfn); + + tex_do_preview(node, out[0], data); +} + +static void init(bNode* node) +{ + ImageUser *iuser= MEM_callocN(sizeof(ImageUser), "node image user"); + node->storage= iuser; + iuser->sfra= 1; + iuser->fie_ima= 2; + iuser->ok= 1; +} + +bNodeType tex_node_image= { + /* *next,*prev */ NULL, NULL, + /* type code */ TEX_NODE_IMAGE, + /* name */ "Image", + /* width+range */ 120, 80, 300, + /* class+opts */ NODE_CLASS_INPUT, NODE_PREVIEW|NODE_OPTIONS, + /* input sock */ NULL, + /* output sock */ outputs, + /* storage */ "ImageUser", + /* execfunc */ exec, + /* butfunc */ NULL, + /* initfunc */ init, + /* freestoragefunc */ node_free_standard_storage, + /* copystoragefunc */ node_copy_standard_storage, + /* id */ NULL +}; + |