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CINE: Add a safeguard to avoid a divide by zero in Palette::save()

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This commit is contained in:
Strangerke 2014-05-25 18:11:14 +02:00
parent 58fcb43c19
commit ff569b0d2e
1 changed files with 3 additions and 3 deletions
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6
engines/cine/pal.cpp
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@ -332,9 +332,9 @@ byte *Palette::save(byte *buf, const uint size, const Graphics::PixelFormat form
// Save the palette to the output in the specified format
for (uint i = firstIndex; i < firstIndex + numColors; i++) {
const uint r = (_colors[i].r * rNewMax) / rOrigMax;
const uint g = (_colors[i].g * gNewMax) / gOrigMax;
const uint b = (_colors[i].b * bNewMax) / bOrigMax;
const uint r = (_colors[i].r * rNewMax) / (rOrigMax == 0 ? 1 : rOrigMax);
const uint g = (_colors[i].g * gNewMax) / (gOrigMax == 0 ? 1 : gOrigMax);
const uint b = (_colors[i].b * bNewMax) / (bOrigMax == 0 ? 1 : bOrigMax);
buf[i * format.bytesPerPixel + rBytePos] |= r << (format.rShift % 8);
buf[i * format.bytesPerPixel + gBytePos] |= g << (format.gShift % 8);