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Enable OpenGL drawing

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Jakub Melka
2019-09-01 18:26:52 +02:00
parent 69ba66ae04
commit 135fa6fc86
4 changed files with 166 additions and 64 deletions
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68
PdfForQtLib/sources/pdfdrawwidget.h
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@@ -24,6 +24,7 @@
#include <QWidget>
#include <QScrollBar>
#include <QOpenGLWidget>
namespace pdf
{
@@ -31,6 +32,17 @@ class PDFDocument;
class PDFDrawWidget;
class PDFDrawWidgetProxy;
class IDrawWidget
{
public:
virtual ~IDrawWidget() = default;
virtual QWidget* getWidget() = 0;
/// Returns page indices, which are currently displayed in the widget
virtual std::vector<PDFInteger> getCurrentPages() const = 0;
};
class PDFFORQTLIBSHARED_EXPORT PDFWidget : public QWidget
{
Q_OBJECT
@@ -48,7 +60,7 @@ public:
/// \param optionalContentActivity Optional content activity
void setDocument(const PDFDocument* document, const PDFOptionalContentActivity* optionalContentActivity);
PDFDrawWidget* getDrawWidget() const { return m_drawWidget; }
IDrawWidget* getDrawWidget() const { return m_drawWidget; }
QScrollBar* getHorizontalScrollbar() const { return m_horizontalScrollBar; }
QScrollBar* getVerticalScrollbar() const { return m_verticalScrollBar; }
PDFDrawWidgetProxy* getDrawWidgetProxy() const { return m_proxy; }
@@ -61,35 +73,35 @@ signals:
private:
void onRenderingError(PDFInteger pageIndex, const QList<PDFRenderError>& errors);
PDFDrawWidget* m_drawWidget;
IDrawWidget* m_drawWidget;
QScrollBar* m_horizontalScrollBar;
QScrollBar* m_verticalScrollBar;
PDFDrawWidgetProxy* m_proxy;
PageRenderingErrors m_pageRenderingErrors;
};
class PDFFORQTLIBSHARED_EXPORT PDFDrawWidget : public QWidget
template<typename BaseWidget>
class PDFDrawWidgetBase : public BaseWidget, public IDrawWidget
{
Q_OBJECT
public:
explicit PDFDrawWidget(PDFWidget* widget, QWidget* parent);
virtual ~PDFDrawWidget() override;
explicit PDFDrawWidgetBase(PDFWidget* widget, QWidget* parent);
virtual ~PDFDrawWidgetBase() override = default;
/// Returns page indices, which are currently displayed in the widget
std::vector<PDFInteger> getCurrentPages() const;
virtual std::vector<PDFInteger> getCurrentPages() const override;
virtual QSize minimumSizeHint() const override;
virtual QWidget* getWidget() override { return this; }
protected:
virtual void paintEvent(QPaintEvent* event) override;
virtual void resizeEvent(QResizeEvent* event) override;
virtual void keyPressEvent(QKeyEvent* event) override;
virtual void mousePressEvent(QMouseEvent* event) override;
virtual void mouseReleaseEvent(QMouseEvent* event) override;
virtual void mouseMoveEvent(QMouseEvent* event) override;
virtual void wheelEvent(QWheelEvent* event) override;
PDFWidget* getPDFWidget() const { return m_widget; }
private:
enum class MouseOperation
{
@@ -106,6 +118,42 @@ private:
MouseOperation m_mouseOperation;
};
class PDFOpenGLDrawWidget : public PDFDrawWidgetBase<QOpenGLWidget>
{
Q_OBJECT
private:
using BaseClass = PDFDrawWidgetBase<QOpenGLWidget>;
public:
explicit PDFOpenGLDrawWidget(PDFWidget* widget, QWidget* parent);
virtual ~PDFOpenGLDrawWidget() override;
protected:
virtual void resizeGL(int w, int h) override;
virtual void initializeGL() override;
virtual void paintGL() override;
};
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;
};
extern template class PDFDrawWidgetBase<QOpenGLWidget>;
extern template class PDFDrawWidgetBase<QWidget>;
} // namespace pdf
#endif // PDFDRAWWIDGET_H