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get Draw_SubImage doing transparencies

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This commit is contained in:
Bill Currie 2002-07-25 05:04:22 +00:00
parent 51b189f56a
commit 51e4cad3fe
1 changed files with 8 additions and 4 deletions
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12
libs/video/renderer/sw32/draw.c
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@ -486,7 +486,7 @@ void
Draw_SubPic (int x, int y, qpic_t *pic, int srcx, int srcy, int width,
int height)
{
byte *source;
byte *source, tbyte;
int v, u;
if ((x < 0) ||
@ -502,7 +502,9 @@ Draw_SubPic (int x, int y, qpic_t *pic, int srcx, int srcy, int width,
byte *dest = (byte *) vid.buffer + y * vid.rowbytes + x;
for (v = 0; v < height; v++) {
memcpy (dest, source, width);
for (u = 0; u < width; u++)
if ((tbyte = source[u]) != TRANSPARENT_COLOR)
dest[u] = tbyte;
dest += vid.rowbytes;
source += pic->width;
}
@ -515,7 +517,8 @@ Draw_SubPic (int x, int y, qpic_t *pic, int srcx, int srcy, int width,
for (v = 0; v < height; v++, dest += vid.rowbytes >> 1,
source += pic->width)
for (u = 0; u < width; u++)
dest[u] = d_8to16table[source[u]];
if ((tbyte = source[u]) != TRANSPARENT_COLOR)
dest[u] = d_8to16table[tbyte];
}
break;
case 4:
@ -525,7 +528,8 @@ Draw_SubPic (int x, int y, qpic_t *pic, int srcx, int srcy, int width,
for (v = 0; v < height; v++, dest += vid.rowbytes >> 2,
source += pic->width)
for (u = 0; u < width; u++)
dest[u] = d_8to24table[source[u]];
if ((tbyte = source[u]) != TRANSPARENT_COLOR)
dest[u] = d_8to24table[tbyte];
}
break;
default: