diff options
Diffstat (limited to 'src/gui/painting/qcolorspace.cpp')
| -rw-r--r-- | src/gui/painting/qcolorspace.cpp | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/gui/painting/qcolorspace.cpp b/src/gui/painting/qcolorspace.cpp index 8b2ea4e04d..dd30c64640 100644 --- a/src/gui/painting/qcolorspace.cpp +++ b/src/gui/painting/qcolorspace.cpp @@ -146,13 +146,17 @@ QColorMatrix QColorSpacePrimaries::toXyzMatrix() const QColorVector srcCone = abrad.map(wXyz); QColorVector dstCone = abrad.map(wXyzD50); - QColorMatrix wToD50 = { { dstCone.x / srcCone.x, 0, 0 }, - { 0, dstCone.y / srcCone.y, 0 }, - { 0, 0, dstCone.z / srcCone.z } }; + if (srcCone.x && srcCone.y && srcCone.z) { + QColorMatrix wToD50 = { { dstCone.x / srcCone.x, 0, 0 }, + { 0, dstCone.y / srcCone.y, 0 }, + { 0, 0, dstCone.z / srcCone.z } }; - QColorMatrix chromaticAdaptation = abradinv * (wToD50 * abrad); - toXyz = chromaticAdaptation * toXyz; + QColorMatrix chromaticAdaptation = abradinv * (wToD50 * abrad); + toXyz = chromaticAdaptation * toXyz; + } else { + toXyz.r = {0, 0, 0}; // set to invalid value + } } return toXyz; @@ -844,3 +848,5 @@ QDebug operator<<(QDebug dbg, const QColorSpace &colorSpace) #endif QT_END_NAMESPACE + +#include "moc_qcolorspace.cpp" |