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Asynchronous calculation of document text layout

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Jakub Melka
2020-01-01 18:23:18 +01:00
parent c832c4ecef
commit e9481fc446
12 changed files with 313 additions and 81 deletions
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11
PdfForQtLib/sources/pdfdrawspacecontroller.h
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@ -32,10 +32,12 @@ class QScrollBar;
namespace pdf
{
class PDFProgress;
class PDFWidget;
class IDrawWidget;
class PDFCMSManager;
class PDFAsynchronousPageCompiler;
class PDFAsynchronousTextLayoutCompiler;
/// This class controls draw space - page layout. Pages are divided into blocks
/// each block can contain one or multiple pages. Units are in milimeters.
@ -274,6 +276,8 @@ public:
const PDFMeshQualitySettings& getMeshQualitySettings() const { return m_meshQualitySettings; }
PDFAsynchronousPageCompiler* getCompiler() const { return m_compiler; }
const PDFCMSManager* getCMSManager() const;
PDFProgress* getProgress() const { return m_progress; }
void setProgress(PDFProgress* progress) { m_progress = progress; }
void setFeatures(PDFRenderer::Features features);
void setPreferredMeshResolutionRatio(PDFReal ratio);
@ -326,6 +330,7 @@ private:
/// Converts rectangle from device space to the pixel space
QRectF fromDeviceSpace(const QRectF& rect) const;
void onTextLayoutChanged();
void onColorManagementSystemChanged();
void onHorizontalScrollbarValueChanged(int value);
void onVerticalScrollbarValueChanged(int value);
@ -408,8 +413,14 @@ private:
/// Page compiler
PDFAsynchronousPageCompiler* m_compiler;
/// Text layout compiler
PDFAsynchronousTextLayoutCompiler* m_textLayoutCompiler;
/// Page image rasterizer for thumbnails
PDFRasterizer* m_rasterizer;
/// Progress
PDFProgress* m_progress;
};
} // namespace pdf