1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/**
* $Id$
*
* ***** 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): Robin Allen
*
* ***** 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, TexParams *p, bNode *node, bNodeStack **UNUSED(in), short UNUSED(thread))
{
float x = p->co[0];
float y = p->co[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, 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
};
|
