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Some bugfixing

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Jakub Melka
2021-01-31 19:15:11 +01:00
parent 8d6b47dbd4
commit 3a2fa64ac0
7 changed files with 123 additions and 13 deletions
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21
Pdf4QtLib/sources/pdftransparencyrenderer.h
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@ -67,11 +67,11 @@ public:
constexpr uint8_t getColorChannelIndexStart() const { return (hasProcessColors() || hasSpotColors()) ? 0 : INVALID_CHANNEL_INDEX; }
constexpr uint8_t getColorChannelIndexEnd() const { return (hasProcessColors() || hasSpotColors()) ? (m_processColors + m_spotColors) : INVALID_CHANNEL_INDEX; }
constexpr uint8_t getShapeChannelIndex() const { return hasShapeChannel() ? getProcessColorChannelCount() + getSpotColorChannelCount() : INVALID_CHANNEL_INDEX; }
constexpr uint8_t getOpacityChannelIndex() const { return hasShapeChannel() ? getProcessColorChannelCount() + getSpotColorChannelCount() + getShapeChannelCount() : INVALID_CHANNEL_INDEX; }
constexpr uint8_t getOpacityChannelIndex() const { return hasOpacityChannel() ? getProcessColorChannelCount() + getSpotColorChannelCount() + getShapeChannelCount() : INVALID_CHANNEL_INDEX; }
/// Pixel format is valid, if we have at least one color channel
/// (it doesn't matter, if it is process color, or spot color)
constexpr bool isValid() const { return getColorChannelCount() > 0; }
constexpr bool isValid() const { return getChannelCount() > 0; }
inline void setProcessColors(const uint8_t& processColors) { m_processColors = processColors; }
inline void setSpotColors(const uint8_t& spotColors) { m_spotColors = spotColors; }
@ -237,7 +237,7 @@ private:
};
/// Ink mapper for mapping device inks (device colors) and spot inks (spot colors).
class PDFInkMapper
class Pdf4QtLIBSHARED_EXPORT PDFInkMapper
{
public:
explicit PDFInkMapper(const PDFDocument* document);
@ -281,7 +281,7 @@ private:
/// page blending space and device blending space. So, painted graphics is being
/// blended to the page blending space, and then converted to the device blending
/// space.
class PDFTransparencyRenderer : public PDFPageContentProcessor
class Pdf4QtLIBSHARED_EXPORT PDFTransparencyRenderer : public PDFPageContentProcessor
{
private:
using BaseClass = PDFPageContentProcessor;
@ -292,13 +292,23 @@ public:
const PDFFontCache* fontCache,
const PDFCMS* cms,
const PDFOptionalContentActivity* optionalContentActivity,
const PDFInkMapper* inkMapper,
QMatrix pagePointToDevicePointMatrix);
/// Sets device color space. This is final color space, to which
/// is painted page transformed.
/// \param colorSpace Color space
void setDeviceColorSpace(PDFColorSpacePointer colorSpace);
/// Sets process color space. This color space is used for blending
/// and intermediate results. If page has transparency group, then
/// blending color space from transparency group is used.
/// \param colorSpace Color space
void setProcessColorSpace(PDFColorSpacePointer colorSpace);
/// Starts painting on the device. This function must be called before page
/// content stream is being processed (and must be called exactly once).
void beginPaint();
void beginPaint(QSize pixelSize);
/// Finishes painting on the device. This function must be called after page
/// content stream is processed and all result graphics is being drawn. Page
@ -345,6 +355,7 @@ private:
PDFColorSpacePointer m_processColorSpace; ///< Process color space (color space, in which is page graphic's blended)
std::unique_ptr<PDFTransparencyGroupGuard> m_pageTransparencyGroupGuard;
std::vector<PDFTransparencyGroupPainterData> m_transparencyGroupDataStack;
const PDFInkMapper* m_inkMapper;
bool m_active;
};