fenix/PDF4QT
1
0
Fork 0
mirror of https://github.com/JakubMelka/PDF4QT.git synced 2025-02-27 00:47:57 +01:00
Code Issues Packages Projects Releases Wiki Activity

Fix of invalid color transformation

Browse Source
This commit is contained in:
Jakub Melka 2021-03-05 19:21:20 +01:00
parent d73fbe4dff
commit 83e67979e7
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
Pdf4QtLib/sources/pdfcms.cpp
View File

@ -274,7 +274,7 @@ bool PDFLittleCMS::fillRGBBufferFromICC(const std::vector<float>& colors, Render
cmykColors = colors; cmykColors = colors;
for (size_t i = 0; i < cmykColors.size(); ++i) for (size_t i = 0; i < cmykColors.size(); ++i)
{ {
cmykColors[i] = cmykColors[i] * 100.0; cmykColors[i] = cmykColors[i] * 100.0f;
} }
inputColors = cmykColors.data(); inputColors = cmykColors.data();
} }
@ -321,7 +321,7 @@ bool PDFLittleCMS::transformColorSpace(const PDFCMS::ColorSpaceTransformParams&
cmykColors = std::vector<float>(params.input.cbegin(), params.input.cend()); cmykColors = std::vector<float>(params.input.cbegin(), params.input.cend());
for (size_t i = 0; i < cmykColors.size(); ++i) for (size_t i = 0; i < cmykColors.size(); ++i)
{ {
cmykColors[i] = cmykColors[i] * 100.0; cmykColors[i] = cmykColors[i] * 100.0f;
} }
inputColors = cmykColors.data(); inputColors = cmykColors.data();
} }
@ -645,7 +645,7 @@ QColor PDFLittleCMS::getColorFromICC(const PDFColor& color, RenderingIntent rend
{ {
for (size_t i = 0; i < color.size(); ++i) for (size_t i = 0; i < color.size(); ++i)
{ {
inputBuffer[i] = isCMYK ? color[i] * 100.0 : color[i]; inputBuffer[i] = isCMYK ? color[i] * 100.0f : color[i];
} }
std::array<float, 3> rgbOutputColor = { }; std::array<float, 3> rgbOutputColor = { };
@ -837,7 +837,9 @@ cmsHTRANSFORM PDFLittleCMS::getTransform(Profile profile, RenderingIntent intent
cmsUInt32Number PDFLittleCMS::getTransformationFlags() const cmsUInt32Number PDFLittleCMS::getTransformationFlags() const
{ {
cmsUInt32Number flags = cmsFLAGS_NOCACHE; // Flag cmsFLAGS_NONEGATIVES is used here to avoid invalid transformation
// between CMYK color space and RGB color space in the Ghent output suite examples.
cmsUInt32Number flags = cmsFLAGS_NOCACHE | cmsFLAGS_NONEGATIVES;
if (m_settings.isBlackPointCompensationActive) if (m_settings.isBlackPointCompensationActive)
{ {