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// ο(rgb)֥Ψ(lv)ꤷƶɤĤ֤
#include "config.h"
#include "portab.h"
#include "surface.h"
#include "ngraph.h"
#include "ags.h"
int gr_fill_alpha_color(surface_t *dst, int dx, int dy, int dw, int dh, int r, int g, int b, int lv) {
int x, y;
BYTE *dp;
if (!gr_clip_xywh(dst, &dx, &dy, &dw, &dh)) {
return NG;
}
dp = GETOFFSET_PIXEL(dst, dx, dy);
switch(dst->depth) {
case 15:
{
WORD pic15 = PIX15(r, g, b);
WORD *yls;
for (y = 0; y < dh; y++) {
yls = (WORD *)(dp + y * dst->bytes_per_line);
for (x = 0; x < dw; x++) {
*yls = ALPHABLEND15(pic15, *yls, lv);
yls++;
}
}
break;
}
case 16:
if (nact->mmx_is_ok) {
#ifdef ENABLE_MMX
int alpha = lv | lv << 8 | lv << 16 | lv << 24;
WORD pic16 = PIX16(r, g, b);
ablend16_dpd(dp, pic16, dp, alpha, dw, dh, dst->bytes_per_line, dst->bytes_per_line);
#endif
} else {
WORD pic16 = PIX16(r, g, b);
WORD *yls;
for (y = 0; y < dh; y++) {
yls = (WORD *)(dp + y * dst->bytes_per_line);
for (x = 0; x < dw; x++) {
*yls = ALPHABLEND16(pic16, *yls, lv);
yls++;
}
}
}
break;
case 24:
case 32:
{
DWORD pic24 = PIX24(r, g, b);
DWORD *yls;
for (y = 0; y < dh; y++) {
yls = (DWORD *)(dp + y * dst->bytes_per_line);
for (x = 0; x < dw; x++) {
*yls = ALPHABLEND24(pic24, *yls, lv);
yls++;
}
}
break;
}
}
return OK;
}
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