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imagefloat: correctly clip the values when outputting to 8- or 16-bit formats

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Fixes #4310
This commit is contained in:
Alberto Griggio
2018-01-23 13:44:58 +01:00
parent 9a4359995f
commit 4cd1ad066d
1 changed files with 6 additions and 6 deletions
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12
rtengine/imagefloat.cc
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@@ -163,15 +163,15 @@ void Imagefloat::getScanline (int row, unsigned char* buffer, int bps)
} else if (bps == 16) {
unsigned short *sbuffer = (unsigned short *)buffer;
for (int i = 0, ix = 0; i < width; i++) {
sbuffer[ix++] = r(row, i);
sbuffer[ix++] = g(row, i);
sbuffer[ix++] = b(row, i);
sbuffer[ix++] = CLIP(r(row, i));
sbuffer[ix++] = CLIP(g(row, i));
sbuffer[ix++] = CLIP(b(row, i));
}
} else if (bps == 8) {
for (int i = 0, ix = 0; i < width; i++) {
buffer[ix++] = rtengine::uint16ToUint8Rounded(r(row, i));
buffer[ix++] = rtengine::uint16ToUint8Rounded(g(row, i));
buffer[ix++] = rtengine::uint16ToUint8Rounded(b(row, i));
buffer[ix++] = rtengine::uint16ToUint8Rounded(CLIP(r(row, i)));
buffer[ix++] = rtengine::uint16ToUint8Rounded(CLIP(g(row, i)));
buffer[ix++] = rtengine::uint16ToUint8Rounded(CLIP(b(row, i)));
}
}
}