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Axial shading sampling

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Jakub Melka
2021-03-01 15:24:04 +01:00
parent 5b8b1de2db
commit d9c6c5e2b4
9 changed files with 405 additions and 26 deletions
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12
Pdf4QtLib/sources/pdfpagecontentprocessor.h
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@ -41,6 +41,7 @@ class PDFCMS;
class PDFMesh;
class PDFImage;
class PDFTilingPattern;
class PDFShadingPattern;
class PDFOptionalContentActivity;
static constexpr const char* PDF_RESOURCE_EXTGSTATE = "ExtGState";
@ -505,6 +506,17 @@ protected:
/// \param fillRule Fill rule used in the fill mode
virtual void performPathPainting(const QPainterPath& path, bool stroke, bool fill, bool text, Qt::FillRule fillRule);
/// This function is used, when we want to implement custom fill using shading. If path is successfully
/// filled by shading, then true should be returned.
/// \param path Path to be filled
/// \param stroke Is path actually stroked?
/// \param fill Is path actually filled?
/// \param shadingPattern Shading pattern
virtual bool performPathPaintingUsingShading(const QPainterPath& path, bool stroke, bool fill, const PDFShadingPattern* shadingPattern);
/// This function is called after path paintig is finished
virtual void performFinishPathPainting();
/// This function has to be implemented in the client drawing implementation, it should
/// clip along the path (intersect with current clipping path).
virtual void performClipping(const QPainterPath& path, Qt::FillRule fillRule);