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Axial mapping finishing, fix of color mapping

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Jakub Melka
2021-03-01 19:40:47 +01:00
parent d9c6c5e2b4
commit 08815d1b8b
5 changed files with 233 additions and 74 deletions
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20
Pdf4QtLib/sources/pdftransparencyrenderer.h
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@ -339,6 +339,7 @@ public:
bool canBeActive = false; ///< Can spot color be activated?
bool active = false; ///< Is spot color active?
bool isSpot = true;
PDFAbstractColorSpace::ColorSpace colorSpaceType = PDFAbstractColorSpace::ColorSpace::Invalid;
};
static constexpr const uint32_t MAX_COLOR_COMPONENTS = PDF_MAX_COLOR_COMPONENTS;
@ -349,7 +350,8 @@ public:
/// and spot colors. Only active spot colors are added. Only 1, 3 and 4
/// process colors are supported.
/// \param processColorCount Process color count
std::vector<ColorInfo> getSeparations(uint32_t processColorCount) const;
/// \param withSpots Add active spot colors?
std::vector<ColorInfo> getSeparations(uint32_t processColorCount, bool withSpots = true) const;
/// Scan document for spot colors and fills color info
/// \param activate Set spot colors active?
@ -366,6 +368,15 @@ public:
/// \param colorName Color name
const ColorInfo* getSpotColor(const QByteArray& colorName) const;
/// Returns process color information (or nullptr, if process color is not present)
/// \param colorName Color name
const ColorInfo* getProcessColor(const QByteArray& colorName) const;
/// Returns process color information (or nullptr, if process color is not present or is inactive)
/// \param colorName Color name
/// \param colorSpace Color space (actively used color space)
const ColorInfo* getActiveProcessColor(const QByteArray& colorName, PDFAbstractColorSpace::ColorSpace colorSpace) const;
/// Returns active spot color with given index. If index
/// of the spot color is invalid, or no active spot color
/// is found, then nullptr is returned.
@ -390,6 +401,7 @@ public:
private:
const PDFDocument* m_document;
std::vector<ColorInfo> m_spotColors;
std::vector<ColorInfo> m_deviceColors; ///< Device color space separations
size_t m_activeSpotColors = 0;
};
@ -666,6 +678,12 @@ private:
PDFMappedColor createMappedColor(const PDFColor& sourceColor,
const PDFAbstractColorSpace* sourceColorSpace);
/// Converts image in some other color space to the blend color space,
/// so pixel format is equal to the draw buffer's pixel format and active
/// colors are set.
/// \param image Image
PDFFloatBitmapWithColorSpace convertImageToBlendSpace(const PDFFloatBitmapWithColorSpace& image);
/// Converts RGB bitmap to the image.
QImage toImageImpl(const PDFFloatBitmapWithColorSpace& floatImage, bool use16Bit) const;