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Add ptr_lr shape and iconise outline for pre-RISC OS 5.

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svn path=/trunk/netsurf/; revision=2807
This commit is contained in:
Richard Wilson 2006-08-04 19:18:27 +00:00
parent 0fa805df8f
commit cad95f5aca
3 changed files with 14 additions and 10 deletions
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!NetSurf/!Sprites22,ff9
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24
riscos/bitmap.c
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@ -33,7 +33,7 @@
#include "netsurf/utils/utils.h"
/** Colour in the overlay sprite that allows the bitmap to show through */
#define OVERLAY_KEY 0xff0000U
#define OVERLAY_INDEX 0xfe
#define MAINTENANCE_THRESHOLD 32
@ -263,22 +263,25 @@ void bitmap_overlay_sprite(struct bitmap *bitmap, const osspriteop_header *s)
error->errnum, error->errmess));
return;
}
sp_offset = ((s->width + 1) * 4) - w;
if (w > bitmap->width) w = bitmap->width;
if (h > bitmap->height) h = bitmap->height;
if (w > bitmap->width)
w = bitmap->width;
if (h > bitmap->height)
h = bitmap->height;
dp_offset = bitmap_get_rowstride(bitmap)/4;
dp_offset = bitmap_get_rowstride(bitmap) / 4;
dp = (unsigned*)bitmap_get_buffer(bitmap);
if (!dp)
return;
sp = (byte*)s + s->image;
mp = (byte*)s + s->mask;
sp += s->left_bit / 8;
mp += s->left_bit / 8;
if (s->image > sizeof(*s))
if (s->image > (int)sizeof(*s))
palette = (os_colour*)(s + 1);
else
palette = default_palette8;
@ -291,14 +294,15 @@ void bitmap_overlay_sprite(struct bitmap *bitmap, const osspriteop_header *s)
/* (partially-)transparent pixels in the overlayed sprite retain
their transparency in the output bitmap; opaque sprite pixels
are also propagated to the bitmap, except those which are the
OVERLAY_KEY colour which allow the original bitmap contents to
OVERLAY_INDEX colour which allow the original bitmap contents to
show through */
for(y = 0; y < h; y++) {
for (y = 0; y < h; y++) {
unsigned *sdp = dp;
for(x = 0; x < w; x++) {
os_colour d = ((unsigned)palette[(*sp++) << 1]) >> 8;
if (d == OVERLAY_KEY) d = *dp;
os_colour d = ((unsigned)palette[(*sp) << 1]) >> 8;
if (*sp++ == OVERLAY_INDEX)
d = *dp;
if (masked) {
if (alpha)
d |= ((*mp << 24) ^ 0xff000000U);