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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
#include "image.hpp"
#include "specs.hpp"
image *load_targa(char *filename, palette *pal)
{
bFILE *fp=open_file(filename,"rb");
if (!fp)
return 0;
if (fp->open_failure())
{
delete fp;
return 0;
}
unsigned char id,color_map,im_type;
id=fp->read_byte();
color_map=fp->read_byte();
im_type=fp->read_byte();
if (color_map!=0)
{
delete fp;
return 0;
}
if (!(im_type==2 || im_type==10))
{
delete fp;
return 0;
}
fp->read_short();
fp->read_short();
fp->read_byte();
fp->read_short();
fp->read_short();
int w=fp->read_short();
int h=fp->read_short();
unsigned char bpp=fp->read_byte();
unsigned char im_des=fp->read_byte();
if (bpp!=32)
{
delete fp;
return 0;
}
image *im=new image(w,h);
int x,y;
unsigned char ctrl;
unsigned char bgra[4],*sl,c,lr,lg,lb,ll=0,lc;
if (im_type==10)
{
for (y=0;y<h;y++)
{
sl=im->scan_line(h-y-1);
for (x=0;x<w;)
{
ctrl=fp->read_byte();
if (ctrl&0x80)
{
fp->read(bgra,4);
ctrl&=(~0x80);
ctrl++;
if (bgra[3])
{
if (ll && lr==bgra[2] && lg==bgra[1] && lb==bgra[0])
c=lc;
else
{
c=pal->find_closest_non0(bgra[2],bgra[1],bgra[0]);
lr=bgra[2];
lg=bgra[1];
lb=bgra[0];
lc=c;
ll=1;
}
}
else c=0;
while (ctrl--)
{
*sl=c;
sl++;
x++;
}
} else
{
ctrl++;
while (ctrl--)
{
fp->read(bgra,4);
if (bgra[3])
{
c=pal->find_closest_non0(bgra[2],bgra[1],bgra[0]);
}
else c=0;
*sl=c;
sl++;
x++;
}
}
}
}
}
delete fp;
return im;
}
|
