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[project @ 2005-03-19 16:39:47 by rjw] 

Stop certain colours being incorrectly highlighted

svn path=/import/netsurf/; revision=1546
This commit is contained in:
Richard Wilson 2005-03-19 16:39:47 +00:00
parent f61f097e9a
commit 5703b71610
1 changed files with 7 additions and 7 deletions
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14
render/html_redraw.c
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@ -475,7 +475,7 @@ bool html_redraw_borders(struct box *box, int x, int y,
if (!plot.polygon(z, 4, light <= 1 ? if (!plot.polygon(z, 4, light <= 1 ?
html_redraw_lighter(c) : html_redraw_lighter(c) :
html_redraw_darker(c))) html_redraw_darker(c)))
return false;; return false;
continue; continue;
case CSS_BORDER_STYLE_INSET: case CSS_BORDER_STYLE_INSET:
@ -544,11 +544,11 @@ bool html_redraw_borders(struct box *box, int x, int y,
colour html_redraw_darker(colour c) colour html_redraw_darker(colour c)
{ {
int modified, channel; int modified, channel;
channel = (((c & 0xff) * 7) - 0x8) >> 3; channel = ((((int)c & 0xff) * 15) - 256) >> 4;
modified = channel > 0 ? channel : 0; modified = channel > 0 ? channel : 0;
channel = (((c & 0xff00) * 7) - 0x800) >> 11; channel = (((((int)c >> 8) & 0xff) * 15) - 256) >> 4;
modified |= channel > 0 ? channel << 8 : 0; modified |= channel > 0 ? channel << 8 : 0;
channel = (((c & 0xff0000) * 7) - 0x80000) >> 19; channel = (((((int)c >> 16) & 0xff) * 15) - 256) >> 4;
modified |= channel > 0 ? channel << 16 : 0; modified |= channel > 0 ? channel << 16 : 0;
return modified; return modified;
} }
@ -564,11 +564,11 @@ colour html_redraw_darker(colour c)
colour html_redraw_lighter(colour c) colour html_redraw_lighter(colour c)
{ {
int modified, channel; int modified, channel;
channel = (((c & 0xff) * 9) + 0x8) >> 3; channel = ((((int)c & 0xff) * 17) + 256) >> 4;
modified = channel < 255 ? channel : 255; modified = channel < 255 ? channel : 255;
channel = (((c & 0xff00) * 9) + 0x800) >> 11; channel = (((((int)c >> 8) & 0xff) * 17) + 256) >> 4;
modified |= channel < 255 ? channel << 8 : 255 << 8; modified |= channel < 255 ? channel << 8 : 255 << 8;
channel = (((c & 0xff0000) * 9) + 0x80000) >> 19; channel = (((((int)c >> 16) & 0xff) * 17) + 256) >> 4;
modified |= channel < 255 ? channel << 16 : 255 << 16; modified |= channel < 255 ? channel << 16 : 255 << 16;
return modified; return modified;
} }