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Round when converting to 8 bits (#3429)

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Flössie
2016-09-21 21:54:46 +02:00
parent 309b823f93
commit 1e7b8035c4
5 changed files with 21 additions and 21 deletions
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6
rtengine/imagefloat.cc
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@@ -335,9 +335,9 @@ Imagefloat::to8()
for (int h = 0; h < height; ++h) {
for (int w = 0; w < width; ++w) {
img8->r(h, w) = static_cast<unsigned short>(r(h, w)) / 257;
img8->g(h, w) = static_cast<unsigned short>(g(h, w)) / 257;
img8->b(h, w) = static_cast<unsigned short>(b(h, w)) / 257;
img8->r(h, w) = (static_cast<unsigned int>(r(h, w)) + 128) / 257;
img8->g(h, w) = (static_cast<unsigned int>(g(h, w)) + 128) / 257;
img8->b(h, w) = (static_cast<unsigned int>(b(h, w)) + 128) / 257;
}
}