fenix/PDF4QT
1
0
Fork 0
mirror of https://github.com/JakubMelka/PDF4QT.git synced 2025-06-05 21:59:17 +02:00
Code Issues Packages Projects Releases Wiki Activity

Issue #123: Alternative software rendering backend

Browse Source
This commit is contained in:
Jakub Melka
2024-02-04 18:05:38 +01:00
parent 87cedf01dc
commit d314683d38
48 changed files with 872 additions and 761 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
Pdf4QtLibWidgets/sources/pdfdrawwidget.h
View File

@ -27,10 +27,6 @@
#include <QTimer>
#include <QElapsedTimer>
#ifdef PDF4QT_ENABLE_OPENGL
#include <QOpenGLWidget>
#endif
namespace pdf
{
class PDFDocument;
@ -65,8 +61,7 @@ public:
/// Constructs new PDFWidget.
/// \param cmsManager Color management system manager
/// \param engine Rendering engine type
/// \param samplesCount Samples count for rendering engine MSAA antialiasing
explicit PDFWidget(const PDFCMSManager* cmsManager, RendererEngine engine, int samplesCount, QWidget* parent);
explicit PDFWidget(const PDFCMSManager* cmsManager, RendererEngine engine, QWidget* parent);
virtual ~PDFWidget() override;
virtual bool focusNextPrevChild(bool next) override;
@ -81,8 +76,7 @@ public:
/// Update rendering engine according the settings
/// \param engine Engine type
/// \param samplesCount Samples count for rendering engine MSAA antialiasing
void updateRenderer(RendererEngine engine, int samplesCount);
void updateRenderer(RendererEngine engine);
/// Updates cache limits
/// \param compiledPageCacheLimit Compiled page cache limit [bytes]
@ -115,14 +109,9 @@ signals:
void pageRenderingErrorsChanged(pdf::PDFInteger pageIndex, int errorsCount);
private:
RendererEngine getEffectiveRenderer(RendererEngine rendererEngine);
void updateRendererImpl();
void onRenderingError(PDFInteger pageIndex, const QList<PDFRenderError>& errors);
void onPageImageChanged(bool all, const std::vector<PDFInteger>& pages);
IDrawWidget* createDrawWidget(RendererEngine rendererEngine, int samplesCount);
const PDFCMSManager* m_cmsManager;
PDFToolManager* m_toolManager;
PDFWidgetAnnotationManager* m_annotationManager;
@ -133,14 +122,19 @@ private:
PDFDrawWidgetProxy* m_proxy;
PageRenderingErrors m_pageRenderingErrors;
std::vector<IDrawWidgetInputInterface*> m_inputInterfaces;
RendererEngine m_rendererEngine;
};
template<typename BaseWidget>
class PDFDrawWidgetBase : public BaseWidget, public IDrawWidget
class PDFDrawWidget : public QWidget, public IDrawWidget
{
Q_OBJECT
private:
using BaseClass = QWidget;
public:
explicit PDFDrawWidgetBase(PDFWidget* widget, QWidget* parent);
virtual ~PDFDrawWidgetBase() override = default;
explicit PDFDrawWidget(PDFWidget* widget, QWidget* parent);
virtual ~PDFDrawWidget() override = default;
/// Returns page indices, which are currently displayed in the widget
virtual std::vector<PDFInteger> getCurrentPages() const override;
@ -158,6 +152,8 @@ protected:
virtual void mouseReleaseEvent(QMouseEvent* event) override;
virtual void mouseMoveEvent(QMouseEvent* event) override;
virtual void wheelEvent(QWheelEvent* event) override;
virtual void paintEvent(QPaintEvent* event) override;
virtual void resizeEvent(QResizeEvent* event) override;
PDFWidget* getPDFWidget() const { return m_widget; }
@ -186,50 +182,9 @@ private:
QTimer m_autoScrollTimer;
QPointF m_autoScrollOffset;
QElapsedTimer m_autoScrollLastElapsedTimer;
QImage m_blend2DframeBuffer;
};
class PDFDrawWidget : public PDFDrawWidgetBase<QWidget>
{
Q_OBJECT
private:
using BaseClass = PDFDrawWidgetBase<QWidget>;
public:
explicit PDFDrawWidget(PDFWidget* widget, QWidget* parent);
virtual ~PDFDrawWidget() override;
protected:
virtual void paintEvent(QPaintEvent* event) override;
virtual void resizeEvent(QResizeEvent* event) override;
};
#ifdef PDF4QT_ENABLE_OPENGL
class PDFOpenGLDrawWidget : public PDFDrawWidgetBase<QOpenGLWidget>
{
Q_OBJECT
private:
using BaseClass = PDFDrawWidgetBase<QOpenGLWidget>;
public:
explicit PDFOpenGLDrawWidget(PDFWidget* widget, int samplesCount, QWidget* parent);
virtual ~PDFOpenGLDrawWidget() override;
protected:
virtual void resizeGL(int w, int h) override;
virtual void initializeGL() override;
virtual void paintGL() override;
};
#else
using PDFOpenGLDrawWidget = PDFDrawWidget;
#endif
#ifdef PDF4QT_ENABLE_OPENGL
extern template class PDFDrawWidgetBase<QOpenGLWidget>;
#endif
extern template class PDFDrawWidgetBase<QWidget>;
} // namespace pdf
#endif // PDFDRAWWIDGET_H