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Viewing changes to source/blender/nodes/texture/nodes/node_texture_image.c

  • Committer: Package Import Robot
  • Author(s): Matteo F. Vescovi
  • Date: 2012-07-23 08:54:18 UTC
  • mfrom: (14.2.16 sid)
  • mto: (14.2.19 sid)
  • mto: This revision was merged to the branch mainline in revision 42.
  • Revision ID: package-import@ubuntu.com-20120723085418-9foz30v6afaf5ffs
Tags: 2.63a-2
http://bugs.debian.org/658075
* debian/: Cycles support added (Closes: #658075)
  For now, this top feature has been enabled only
  on [any-amd64 any-i386] architectures because
  of OpenImageIO failing on all others
* debian/: scripts installation path changed
  from /usr/lib to /usr/share:
  + debian/patches/: patchset re-worked for path changing
  + debian/control: "Breaks" field added on yafaray-exporter

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source/blender/nodes/texture/nodes/node_texture_image.c
 
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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): Robin Allen
 
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 *
 
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 * ***** END GPL LICENSE BLOCK *****
 
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 */
 
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/** \file blender/nodes/texture/nodes/node_texture_image.c
 
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 *  \ingroup texnodes
 
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 */
 
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#include "node_texture_util.h"
 
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#include "NOD_texture.h"
 
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static bNodeSocketTemplate outputs[]= {
 
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        { SOCK_RGBA, 0, "Image"},
 
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        { -1, 0, "" }
 
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};
 
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static void colorfn(float *out, TexParams *p, bNode *node, bNodeStack **UNUSED(in), short UNUSED(thread))
 
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{
 
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        float x = p->co[0];
 
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        float y = p->co[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 ) {
 
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                                BLI_lock_thread(LOCK_IMAGE);
 
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                                if ( !ibuf->rect_float )
 
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                                        IMB_float_from_rect(ibuf);
 
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                                BLI_unlock_thread(LOCK_IMAGE);
 
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                        }
 
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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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                        copy_v4_v4( 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, data);
 
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}
 
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static void init(bNodeTree *UNUSED(ntree), bNode* node, bNodeTemplate *UNUSED(ntemp))
 
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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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void register_node_type_tex_image(bNodeTreeType *ttype)
 
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{
 
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        static bNodeType ntype;
 
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        node_type_base(ttype, &ntype, TEX_NODE_IMAGE, "Image", NODE_CLASS_INPUT, NODE_PREVIEW|NODE_OPTIONS);
 
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        node_type_socket_templates(&ntype, NULL, outputs);
 
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        node_type_size(&ntype, 120, 80, 300);
 
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        node_type_init(&ntype, init);
 
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        node_type_storage(&ntype, "ImageUser", node_free_standard_storage, node_copy_standard_storage);
 
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        node_type_exec(&ntype, exec);
 
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        nodeRegisterType(ttype, &ntype);
 
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}