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Fix shading ink for sprites with more than 256 colors

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When the shading ink is used on RGBA sprites, we can have color palettes
with more than 256 colors. In this way the shade will contain entries
with indexes >= 256.
This commit is contained in:
David Capello 2016-02-16 17:11:30 -03:00
parent 24e329ffeb
commit fd71ceb4c9
1 changed files with 12 additions and 6 deletions
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18
src/app/tools/ink_processing.h
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@ -724,13 +724,19 @@ public:
void processPixel(int x, int y) {
color_t src = *m_srcAddress;
int i = m_rgbmap->mapColor(rgba_getr(src),
rgba_getg(src),
rgba_getb(src),
rgba_geta(src));
// The color must be an exact match
if (src != m_palette->getEntry(i)) {
// We cannot use the m_rgbmap->mapColor() function because RgbMaps
// are created with findBestfit(), and findBestfit() limits the
// returned indexes to [0,255] range (it's mainly used for RGBA ->
// Indexed image conversion).
int i = m_palette->findExactMatch(rgba_getr(src),
rgba_getg(src),
rgba_getb(src),
rgba_geta(src),
-1);
// If we didn't find the exact match.
if (i < 0) {
*m_dstAddress = src;
return;
}