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added support for loading/saving alpha channels in palette files

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Joshua Ogunyinka 2021-08-28 09:51:13 +04:00 committed by David Capello
parent 1f6c6951af
commit 971ba32338
1 changed files with 9 additions and 4 deletions
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13
src/doc/file/pal_file.cpp
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@ -59,10 +59,10 @@ Palette* load_pal_file(const char *filename)
if (line.empty())
continue;
int r, g, b;
int r, g, b, a=255;
std::istringstream lineIn(line);
lineIn >> r >> g >> b;
pal->addEntry(rgba(r, g, b, 255));
lineIn >> r >> g >> b >> a;
pal->addEntry(rgba(r, g, b, a));
}
return pal.release();
@ -77,11 +77,16 @@ bool save_pal_file(const Palette *pal, const char *filename)
<< "0100\n"
<< pal->size() << "\n";
const bool hasAlpha = pal->hasAlpha();
for (int i=0; i<pal->size(); ++i) {
uint32_t col = pal->getEntry(i);
f << ((int)rgba_getr(col)) << " "
<< ((int)rgba_getg(col)) << " "
<< ((int)rgba_getb(col)) << "\n";
<< ((int)rgba_getb(col));
if (hasAlpha) {
f << " " << ((int)rgba_geta(col));
}
f << "\n";
}
return true;