source: golgotha/src/i4/loaders/tga_write.cc @ 80

Last change on this file since 80 was 80, checked in by Sam Hocevar, 12 years ago
  • Adding the Golgotha source code. Not sure what's going to be interesting in there, but since it's all public domain, there's certainly stuff to pick up.
File size: 2.0 KB
Line 
1/********************************************************************** <BR>
2  This file is part of Crack dot Com's free source code release of
3  Golgotha. <a href="http://www.crack.com/golgotha_release"> <BR> for
4  information about compiling & licensing issues visit this URL</a>
5  <PRE> If that doesn't help, contact Jonathan Clark at
6  golgotha_source@usa.net (Subject should have "GOLG" in it)
7***********************************************************************/
8
9#include "image/image.hh"
10#include "loaders/tga_write.hh"
11#include "file/file.hh"
12#include "palette/pal.hh"
13
14
15i4_bool i4_tga_write(i4_image_class *im, i4_file_class *fp, int include_alpha)
16{
17  fp->write_8(0);   // no id field
18  fp->write_8(0);   // no color map
19  fp->write_8(2);   // type = True color uncompressed
20 
21  fp->write_16(0);  // first color map entry
22  fp->write_16(0);  // color map length
23  fp->write_8(0);   // color map entry size
24
25  fp->write_16(0);  // origin x & y
26  fp->write_16(0);
27
28  sw32 w=im->width(), h=im->height(), x,y;
29  fp->write_16(w);   // image width & height
30  fp->write_16(h);
31
32  if (include_alpha)
33    fp->write_8(32);   // bits per pixel
34  else
35    fp->write_8(24);   // bits per pixel
36
37  fp->write_8(0);
38
39
40  w8 out[4];
41  i4_color color;
42
43  const i4_pal *pal=im->get_pal();
44  i4_pixel_format to;
45  to.default_format();
46
47  if (include_alpha)
48  {
49    for (y=h-1; y>=0; y--)
50    {
51      for (x=0; x<w; x++)
52      {
53        color=im->get_pixel(x,y);
54           
55        out[0]=color&0xff;
56        out[1]=(color>>8)&0xff;
57        out[2]=(color>>16)&0xff;
58        out[3]=(color>>24)&0xff;
59        fp->write(out,4);
60      }
61    }
62  }
63  else
64  { 
65    for (y=h-1; y>=0; y--)
66    {
67      for (x=0; x<w; x++)
68      {
69        color=im->get_pixel(x,y);
70           
71        out[0]=color&0xff;
72        out[1]=(color>>8)&0xff;
73        out[2]=(color>>16)&0xff;
74        fp->write(out,3);
75      }
76    }
77  }
78
79  return i4_T;
80   
81}
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