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Correct color of inks

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Jakub Melka
2021-03-27 17:36:52 +01:00
parent 019637f9f2
commit 94fdd0f63f
4 changed files with 59 additions and 17 deletions
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47
Pdf4QtLib/sources/pdftransparencyrenderer.cpp
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@ -1987,7 +1987,7 @@ void PDFTransparencyRenderer::processSoftMask(const PDFDictionary* softMask)
return;
}
PDFInkMapper inkMapper(getDocument());
PDFInkMapper inkMapper(nullptr, getDocument());
PDFTransparencyRenderer softMaskRenderer(getPage(), getDocument(), getFontCache(), getCMS(), getOptionalContentActivity(), &inkMapper, m_settings, getPagePointToDevicePointMatrix());
softMaskRenderer.initializeProcessor();
@ -3005,7 +3005,8 @@ bool PDFTransparencyRenderer::isMultithreadedPathSamplingUsed(QRect fillRect) co
return fillRect.width() * fillRect.height() > m_settings.multithreadingPathSampleThreshold && fillRect.width() > 1;
}
PDFInkMapper::PDFInkMapper(const PDFDocument* document) :
PDFInkMapper::PDFInkMapper(const PDFCMSManager* manager, const PDFDocument* document) :
m_cmsManager(manager),
m_document(document)
{
// Initialize device separations
@ -3023,96 +3024,113 @@ std::vector<PDFInkMapper::ColorInfo> PDFInkMapper::getSeparations(uint32_t proce
std::vector<ColorInfo> result;
result.reserve(getActiveSpotColorCount() + processColorCount);
PDFRenderErrorReporterDummy renderErrorReporter;
PDFCMSPointer cms = m_cmsManager ? m_cmsManager->getCurrentCMS() : nullptr;
switch (processColorCount)
{
case 1:
{
PDFDeviceGrayColorSpace grayColorSpace;
ColorInfo gray;
gray.name = "Gray";
gray.textName = PDFTranslationContext::tr("Process Gray");
gray.textName = PDFTranslationContext::tr("Gray");
gray.canBeActive = true;
gray.active = true;
gray.isSpot = false;
gray.spotColorIndex = 0;
gray.colorSpaceType = PDFAbstractColorSpace::ColorSpace::DeviceGray;
gray.color = cms ? grayColorSpace.getColor(PDFColor(1.0f), cms.get(), RenderingIntent::Perceptual, &renderErrorReporter, true) : QColor();
result.emplace_back(qMove(gray));
break;
}
case 3:
{
PDFDeviceRGBColorSpace rgbColorSpace;
ColorInfo red;
red.name = "Red";
red.textName = PDFTranslationContext::tr("Process Red");
red.textName = PDFTranslationContext::tr("Red");
red.canBeActive = true;
red.active = true;
red.isSpot = false;
red.spotColorIndex = 0;
red.colorSpaceType = PDFAbstractColorSpace::ColorSpace::DeviceRGB;
red.color = cms ? rgbColorSpace.getColor(PDFColor(1.0f, 0.0f, 0.0f), cms.get(), RenderingIntent::Perceptual, &renderErrorReporter, true) : QColor();
result.emplace_back(qMove(red));
ColorInfo green;
green.name = "Green";
green.textName = PDFTranslationContext::tr("Process Green");
green.textName = PDFTranslationContext::tr("Green");
green.canBeActive = true;
green.active = true;
green.isSpot = false;
green.spotColorIndex = 1;
green.colorSpaceType = PDFAbstractColorSpace::ColorSpace::DeviceRGB;
green.color = cms ? rgbColorSpace.getColor(PDFColor(0.0f, 1.0f, 0.0f), cms.get(), RenderingIntent::Perceptual, &renderErrorReporter, true) : QColor();
result.emplace_back(qMove(green));
ColorInfo blue;
blue.name = "Blue";
blue.textName = PDFTranslationContext::tr("Process Blue");
blue.textName = PDFTranslationContext::tr("Blue");
blue.canBeActive = true;
blue.active = true;
blue.isSpot = false;
blue.spotColorIndex = 2;
blue.colorSpaceType = PDFAbstractColorSpace::ColorSpace::DeviceRGB;
blue.color = cms ? rgbColorSpace.getColor(PDFColor(0.0f, 0.0f, 1.0f), cms.get(), RenderingIntent::Perceptual, &renderErrorReporter, true) : QColor();
result.emplace_back(qMove(blue));
break;
}
case 4:
{
PDFDeviceCMYKColorSpace cmykColorSpace;
ColorInfo cyan;
cyan.name = "Cyan";
cyan.textName = PDFTranslationContext::tr("Process Cyan");
cyan.textName = PDFTranslationContext::tr("Cyan");
cyan.canBeActive = true;
cyan.active = true;
cyan.isSpot = false;
cyan.spotColorIndex = 0;
cyan.colorSpaceType = PDFAbstractColorSpace::ColorSpace::DeviceCMYK;
cyan.color = cms ? cmykColorSpace.getColor(PDFColor(1.0f, 0.0f, 0.0f, 0.0f), cms.get(), RenderingIntent::Perceptual, &renderErrorReporter, true) : QColor();
result.emplace_back(qMove(cyan));
ColorInfo magenta;
magenta.name = "Magenta";
magenta.textName = PDFTranslationContext::tr("Process Magenta");
magenta.textName = PDFTranslationContext::tr("Magenta");
magenta.canBeActive = true;
magenta.active = true;
magenta.isSpot = false;
magenta.spotColorIndex = 1;
magenta.colorSpaceType = PDFAbstractColorSpace::ColorSpace::DeviceCMYK;
magenta.color = cms ? cmykColorSpace.getColor(PDFColor(0.0f, 1.0f, 0.0f, 0.0f), cms.get(), RenderingIntent::Perceptual, &renderErrorReporter, true) : QColor();
result.emplace_back(qMove(magenta));
ColorInfo yellow;
yellow.name = "Yellow";
yellow.textName = PDFTranslationContext::tr("Process Yellow");
yellow.textName = PDFTranslationContext::tr("Yellow");
yellow.canBeActive = true;
yellow.active = true;
yellow.isSpot = false;
yellow.spotColorIndex = 2;
yellow.colorSpaceType = PDFAbstractColorSpace::ColorSpace::DeviceCMYK;
yellow.color = cms ? cmykColorSpace.getColor(PDFColor(0.0f, 0.0f, 1.0f, 0.0f), cms.get(), RenderingIntent::Perceptual, &renderErrorReporter, true) : QColor();
result.emplace_back(qMove(yellow));
ColorInfo black;
black.name = "Black";
black.textName = PDFTranslationContext::tr("Process Black");
black.textName = PDFTranslationContext::tr("Black");
black.canBeActive = true;
black.active = true;
black.isSpot = false;
black.spotColorIndex = 3;
black.colorSpaceType = PDFAbstractColorSpace::ColorSpace::DeviceCMYK;
black.color = cms ? cmykColorSpace.getColor(PDFColor(0.0f, 0.0f, 0.0f, 1.0f), cms.get(), RenderingIntent::Perceptual, &renderErrorReporter, true) : QColor();
result.emplace_back(qMove(black));
break;
}
@ -3155,6 +3173,9 @@ void PDFInkMapper::createSpotColors(bool activate)
m_spotColors.clear();
m_activeSpotColors = 0;
PDFRenderErrorReporterDummy renderErrorReporter;
PDFCMSPointer cms = m_cmsManager ? m_cmsManager->getCurrentCMS() : nullptr;
const PDFCatalog* catalog = m_document->getCatalog();
const size_t pageCount = catalog->getPageCount();
for (size_t i = 0; i < pageCount; ++i)
@ -3203,6 +3224,7 @@ void PDFInkMapper::createSpotColors(bool activate)
info.textName = PDFEncoding::convertTextString(info.name);
info.colorSpace = colorSpacePointer;
info.spotColorIndex = uint32_t(m_spotColors.size());
info.color = cms ? separationColorSpace->getColor(pdf::PDFColor(1.0f), cms.get(), pdf::RenderingIntent::Perceptual, &renderErrorReporter, true) : nullptr;
m_spotColors.emplace_back(qMove(info));
}
}
@ -3222,12 +3244,17 @@ void PDFInkMapper::createSpotColors(bool activate)
const PDFDeviceNColorSpace::ColorantInfo& colorantInfo = colorants[i];
if (!containsSpotColor(colorantInfo.name) && !containsProcessColor(colorantInfo.name))
{
PDFColor color;
color.resize(deviceNColorSpace->getColorComponentCount());
color[i] = 1.0f;
ColorInfo info;
info.name = colorantInfo.name;
info.textName = PDFEncoding::convertTextString(info.name);
info.colorSpaceIndex = uint32_t(i);
info.colorSpace = colorSpacePointer;
info.spotColorIndex = uint32_t(m_spotColors.size());
info.color = cms ? deviceNColorSpace->getColor(color, cms.get(), pdf::RenderingIntent::Perceptual, &renderErrorReporter, true) : nullptr;
m_spotColors.emplace_back(qMove(info));
}
}