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
|
// surfaceΰ뤵 lv/255 ܤƥԡ
#include <string.h>
#include "portab.h"
#include "surface.h"
#include "ngraph.h"
#include "ags.h"
void gr_copy_bright(surface_t *dst, int dx, int dy, surface_t *src, int sx, int sy, int width, int height, int lv) {
int x, y;
BYTE *sp, *dp;
if (!gr_clip(src, &sx, &sy, &width, &height, dst, &dx, &dy)) return;
sp = GETOFFSET_PIXEL(src, sx, sy);
dp = GETOFFSET_PIXEL(dst, dx, dy);
if (sp == NULL || dp == NULL) return;
switch(dst->depth) {
case 15:
{
WORD *yls, *yld;
for (y = 0; y < height; y++) {
yls = (WORD *)(sp + y * src->bytes_per_line);
yld = (WORD *)(dp + y * dst->bytes_per_line);
for (x = 0; x < width; x++) {
*yld = ALPHALEVEL15(*yls, lv);
yls++; yld++;
}
}
break;
}
case 16:
if (nact->mmx_is_ok) {
// if (0) {
#ifdef ENABLE_MMX
int alpha;
lv = 255 - lv;
alpha = lv | lv << 8 | lv << 16 | lv << 24;
ablend16_dpd(dp, 0, sp, alpha, width, height, dst->bytes_per_line, src->bytes_per_line);
#endif
} else {
WORD *yls, *yld;
for (y = 0; y < height; y++) {
yls = (WORD *)(sp + y * src->bytes_per_line);
yld = (WORD *)(dp + y * dst->bytes_per_line);
for (x = 0; x < width; x++) {
*yld = ALPHALEVEL16(*yls, lv);
yls++; yld++;
}
}
}
break;
case 24:
case 32:
{
DWORD *yls, *yld;
for (y = 0; y < height; y++) {
yls = (DWORD *)(sp + y * src->bytes_per_line);
yld = (DWORD *)(dp + y * dst->bytes_per_line);
for (x = 0; x < width; x++) {
*yld = ALPHALEVEL24(*yls, lv);
yls++; yld++;
}
}
break;
}
}
}
|
