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Shading: Axial shading (first part)

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Jakub Melka
2019-08-25 18:16:37 +02:00
parent d6d112667d
commit 7e2d1b266f
15 changed files with 544 additions and 23 deletions
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44
PdfForQtLib/sources/pdfcolorspaces.cpp
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@ -20,6 +20,7 @@
#include "pdfdocument.h"
#include "pdfexception.h"
#include "pdfutils.h"
#include "pdfpattern.h"
namespace pdf
{
@ -238,6 +239,16 @@ QImage PDFAbstractColorSpace::getImage(const PDFImageData& imageData) const
return QImage();
}
QColor PDFAbstractColorSpace::getCheckedColor(const PDFColor& color) const
{
if (getColorComponentCount() != color.size())
{
throw PDFParserException(PDFTranslationContext::tr("Invalid number of color components. Expected number is %1, actual number is %2.").arg(getColorComponentCount(), color.size()));
}
return getColor(color);
}
PDFColorSpacePointer PDFAbstractColorSpace::createColorSpace(const PDFDictionary* colorSpaceDictionary,
const PDFDocument* document,
const PDFObject& colorSpace)
@ -252,6 +263,18 @@ PDFColorSpacePointer PDFAbstractColorSpace::createDeviceColorSpaceByName(const P
return createDeviceColorSpaceByNameImpl(colorSpaceDictionary, document, name, COLOR_SPACE_MAX_LEVEL_OF_RECURSION);
}
PDFColor PDFAbstractColorSpace::convertToColor(const std::vector<PDFReal>& components)
{
PDFColor result;
for (PDFReal component : components)
{
result.push_back(component);
}
return result;
}
PDFColorSpacePointer PDFAbstractColorSpace::createColorSpaceImpl(const PDFDictionary* colorSpaceDictionary,
const PDFDocument* document,
const PDFObject& colorSpace,
@ -293,6 +316,12 @@ PDFColorSpacePointer PDFAbstractColorSpace::createColorSpaceImpl(const PDFDictio
{
stream = colorSpaceSettings.getStream();
}
if (name == COLOR_SPACE_NAME_PATTERN)
{
PDFPatternPtr pattern = PDFPattern::createPattern(colorSpaceDictionary, document, array->getItem(1));
return PDFColorSpacePointer(new PDFPatternColorSpace(qMove(pattern)));
}
}
if (dictionary)
@ -915,4 +944,19 @@ const unsigned char* PDFImageData::getRow(unsigned int rowIndex) const
return data + (rowIndex * m_stride);
}
QColor PDFPatternColorSpace::getDefaultColor() const
{
throw PDFParserException(PDFTranslationContext::tr("Pattern doesn't have default color."));
}
QColor PDFPatternColorSpace::getColor(const PDFColor& color) const
{
throw PDFParserException(PDFTranslationContext::tr("Pattern doesn't have defined uniform color."));
}
size_t PDFPatternColorSpace::getColorComponentCount() const
{
return 0;
}
} // namespace pdf