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Rendering options

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Jakub Melka
2019-07-06 15:55:37 +02:00
parent 584211bf36
commit 9ed17fc8ca
11 changed files with 241 additions and 24 deletions
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13
PdfForQtLib/sources/pdfrenderer.h
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@ -32,17 +32,19 @@ class PDFOptionalContentActivity;
class PDFRenderer
{
public:
explicit PDFRenderer(const PDFDocument* document, const PDFFontCache* fontCache, const PDFOptionalContentActivity* optionalContentActivity);
enum Feature
{
Antialiasing = 0x0001, ///< Antialiasing for lines, shapes, etc.
TextAntialiasing = 0x0002, ///< Antialiasing for drawing text
SmoothImages = 0x0004 ///< Adjust images to the device space using smooth transformation (slower, but better performance quality)
Antialiasing = 0x0001, ///< Antialiasing for lines, shapes, etc.
TextAntialiasing = 0x0002, ///< Antialiasing for drawing text
SmoothImages = 0x0004, ///< Adjust images to the device space using smooth transformation (slower, but better image quality)
IgnoreOptionalContent = 0x0008, ///< Ignore optional content (so all is drawn ignoring settings of optional content)
};
Q_DECLARE_FLAGS(Features, Feature)
explicit PDFRenderer(const PDFDocument* document, const PDFFontCache* fontCache, const PDFOptionalContentActivity* optionalContentActivity, Features features);
/// Paints desired page onto the painter. Page is painted in the rectangle using best-fit method.
/// If the page doesn't exist, then error is returned. No exception is thrown. Rendering errors
/// are reported and returned in the error list. If no error occured, empty list is returned.
@ -56,6 +58,9 @@ public:
/// Rendering errors are reported and returned in the error list. If no error occured, empty list is returned.
QList<PDFRenderError> render(QPainter* painter, const QMatrix& matrix, size_t pageIndex) const;
/// Returns default renderer features
static constexpr Features getDefaultFeatures() { return Antialiasing | TextAntialiasing; }
private:
const PDFDocument* m_document;
const PDFFontCache* m_fontCache;