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Fix colour tint when using raw ca correction avoid colour shift on images with (height % 2) == 1

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heckflosse
2018-09-24 16:52:03 +02:00
parent 5202a351e4
commit 52644cd7f3
1 changed files with 7 additions and 9 deletions
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8
rtengine/CA_correct_RT.cc
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@@ -1261,12 +1261,10 @@ float* RawImageSource::CA_correct_RT(
#pragma omp single #pragma omp single
{ {
if (H % 2) { if (H % 2) {
// odd height => factors for one channel are not set in last row => use values of preceding row // odd height => factors are not set in last row => use values of preceding row
const int firstCol = FC(0, 0) & 1;
const int colour = FC(0, firstCol);
const array2D<float>* nonGreen = colour == 0 ? blueFactor : redFactor;
for (int j = 0; j < (W + 1) / 2; ++j) { for (int j = 0; j < (W + 1) / 2; ++j) {
(*nonGreen)[(H + 1) / 2 - 1][j] = (*nonGreen)[(H + 1) / 2 - 2][j]; (*redFactor)[(H + 1) / 2 - 1][j] = (*redFactor)[(H + 1) / 2 - 2][j];
(*blueFactor)[(H + 1) / 2 - 1][j] = (*blueFactor)[(H + 1) / 2 - 2][j];
} }
} }