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// fill rectangle
#include <string.h>
#include "portab.h"
#include "surface.h"
#include "ngraph.h"
#include "ags.h"
int gr_fill(surface_t *dst, int dx, int dy, int dw, int dh, int r, int g, int b) {
BYTE *dp, *dp_;
int x, y;
if (!gr_clip_xywh(dst, &dx, &dy, &dw, &dh)) {
return NG;
}
dp = dp_ = GETOFFSET_PIXEL(dst, dx, dy);
switch(dst->depth) {
case 8:
memset(dp, r, dw);
break;
case 15:
{
WORD pic15 = PIX15(r, g, b);
for (x = 0; x < dw; x++) {
*((WORD *)dp + x) = pic15;
}
break;
}
case 16:
{
WORD pic16 = PIX16(r, g, b);
for (x = 0; x < dw; x++) {
*((WORD *)dp + x) = pic16;
}
break;
}
case 24:
case 32:
{
DWORD pic24 = PIX24(r, g, b);
for (x = 0; x < dw; x++) {
*((DWORD *)dp + x) = pic24;
}
break;
}
}
dp += dst->bytes_per_line;
for (y = 1; y < dh; y++) {
memcpy(dp, dp_, dw * dst->bytes_per_pixel);
dp += dst->bytes_per_line;
}
return OK;
}
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