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PDF4QT/Pdf4QtLibWidgets/sources/pdfpagecontenteditortools.h
2025-04-27 12:39:06 +02:00

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// MIT License
//
// Copyright (c) 2018-2025 Jakub Melka and Contributors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#ifndef PDFPAGECONTENTEDITORTOOLS_H
#define PDFPAGECONTENTEDITORTOOLS_H
#include "pdfwidgetsglobal.h"
#include "pdfwidgettool.h"
namespace pdf
{
class PDFPageContentScene;
class PDFPageContentElement;
class PDFPageContentImageElement;
class PDFPageContentElementDot;
class PDFPageContentElementLine;
class PDFPageContentElementTextBox;
class PDFPageContentElementRectangle;
class PDFPageContentElementFreehandCurve;
class PDFTextEditPseudowidget;
class PDF4QTLIBWIDGETSSHARED_EXPORT PDFCreatePCElementTool : public PDFWidgetTool
{
Q_OBJECT
public:
PDFCreatePCElementTool(PDFDrawWidgetProxy* proxy,
PDFPageContentScene* scene,
QAction* action,
QObject* parent);
virtual const PDFPageContentElement* getElement() const = 0;
virtual PDFPageContentElement* getElement() = 0;
virtual void setPen(const QPen& pen);
virtual void setBrush(const QBrush& brush);
virtual void setFont(const QFont& font);
virtual void setAlignment(Qt::Alignment alignment);
virtual void setTextAngle(pdf::PDFReal angle);
protected:
static QRectF getRectangleFromPickTool(PDFPickTool* pickTool, const QTransform& pagePointToDevicePointMatrix);
PDFPageContentScene* m_scene;
};
/// Tool that creates rectangle element.
class PDF4QTLIBWIDGETSSHARED_EXPORT PDFCreatePCElementRectangleTool : public PDFCreatePCElementTool
{
Q_OBJECT
private:
using BaseClass = PDFCreatePCElementTool;
public:
explicit PDFCreatePCElementRectangleTool(PDFDrawWidgetProxy* proxy,
PDFPageContentScene* scene,
QAction* action,
bool isRounded,
QObject* parent);
virtual ~PDFCreatePCElementRectangleTool() override;
virtual void drawPage(QPainter* painter,
PDFInteger pageIndex,
const PDFPrecompiledPage* compiledPage,
PDFTextLayoutGetter& layoutGetter,
const QTransform& pagePointToDevicePointMatrix,
const PDFColorConvertor& convertor,
QList<PDFRenderError>& errors) const override;
virtual const PDFPageContentElement* getElement() const override;
virtual PDFPageContentElement* getElement() override;
private:
void onRectanglePicked(pdf::PDFInteger pageIndex, QRectF pageRectangle);
PDFPickTool* m_pickTool;
PDFPageContentElementRectangle* m_element;
};
/// Tool that displays SVG image (or raster image)
class PDF4QTLIBWIDGETSSHARED_EXPORT PDFCreatePCElementImageTool : public PDFCreatePCElementTool
{
Q_OBJECT
private:
using BaseClass = PDFCreatePCElementTool;
public:
explicit PDFCreatePCElementImageTool(PDFDrawWidgetProxy* proxy,
PDFPageContentScene* scene,
QAction* action,
QByteArray content,
bool askSelectImage,
QObject* parent);
virtual ~PDFCreatePCElementImageTool() override;
virtual void drawPage(QPainter* painter,
PDFInteger pageIndex,
const PDFPrecompiledPage* compiledPage,
PDFTextLayoutGetter& layoutGetter,
const QTransform& pagePointToDevicePointMatrix,
const PDFColorConvertor& convertor,
QList<PDFRenderError>& errors) const override;
virtual const PDFPageContentElement* getElement() const override;
virtual PDFPageContentElement* getElement() override;
protected:
virtual void setActiveImpl(bool active) override;
private:
void selectImage();
void onRectanglePicked(pdf::PDFInteger pageIndex, QRectF pageRectangle);
PDFPickTool* m_pickTool;
PDFPageContentImageElement* m_element;
bool m_askSelectImage;
QString m_imageDirectory;
};
/// Tool that creates line element.
class PDF4QTLIBWIDGETSSHARED_EXPORT PDFCreatePCElementLineTool : public PDFCreatePCElementTool
{
Q_OBJECT
private:
using BaseClass = PDFCreatePCElementTool;
public:
explicit PDFCreatePCElementLineTool(PDFDrawWidgetProxy* proxy,
PDFPageContentScene* scene,
QAction* action,
bool isHorizontal,
bool isVertical,
QObject* parent);
virtual ~PDFCreatePCElementLineTool() override;
virtual void drawPage(QPainter* painter,
PDFInteger pageIndex,
const PDFPrecompiledPage* compiledPage,
PDFTextLayoutGetter& layoutGetter,
const QTransform& pagePointToDevicePointMatrix,
const PDFColorConvertor& convertor,
QList<PDFRenderError>& errors) const override;
virtual const PDFPageContentElement* getElement() const override;
virtual PDFPageContentElement* getElement() override;
private:
void clear();
void onPointPicked(pdf::PDFInteger pageIndex, QPointF pagePoint);
PDFPickTool* m_pickTool;
PDFPageContentElementLine* m_element;
std::optional<QPointF> m_startPoint;
};
/// Tool that creates dot element.
class PDF4QTLIBWIDGETSSHARED_EXPORT PDFCreatePCElementDotTool : public PDFCreatePCElementTool
{
Q_OBJECT
private:
using BaseClass = PDFCreatePCElementTool;
public:
explicit PDFCreatePCElementDotTool(PDFDrawWidgetProxy* proxy,
PDFPageContentScene* scene,
QAction* action,
QObject* parent);
virtual ~PDFCreatePCElementDotTool() override;
virtual void drawPage(QPainter* painter,
PDFInteger pageIndex,
const PDFPrecompiledPage* compiledPage,
PDFTextLayoutGetter& layoutGetter,
const QTransform& pagePointToDevicePointMatrix,
const PDFColorConvertor& convertor,
QList<PDFRenderError>& errors) const override;
virtual const PDFPageContentElement* getElement() const override;
virtual PDFPageContentElement* getElement() override;
private:
void onPointPicked(pdf::PDFInteger pageIndex, QPointF pagePoint);
PDFPickTool* m_pickTool;
PDFPageContentElementDot* m_element;
};
/// Tool that creates freehand curve element.
class PDF4QTLIBWIDGETSSHARED_EXPORT PDFCreatePCElementFreehandCurveTool : public PDFCreatePCElementTool
{
Q_OBJECT
private:
using BaseClass = PDFCreatePCElementTool;
public:
explicit PDFCreatePCElementFreehandCurveTool(PDFDrawWidgetProxy* proxy,
PDFPageContentScene* scene,
QAction* action,
QObject* parent);
virtual ~PDFCreatePCElementFreehandCurveTool() override;
virtual void drawPage(QPainter* painter,
PDFInteger pageIndex,
const PDFPrecompiledPage* compiledPage,
PDFTextLayoutGetter& layoutGetter,
const QTransform& pagePointToDevicePointMatrix,
const PDFColorConvertor& convertor,
QList<PDFRenderError>& errors) const override;
virtual const PDFPageContentElement* getElement() const override;
virtual PDFPageContentElement* getElement() override;
virtual void mousePressEvent(QWidget* widget, QMouseEvent* event) override;
virtual void mouseReleaseEvent(QWidget* widget, QMouseEvent* event) override;
virtual void mouseMoveEvent(QWidget* widget, QMouseEvent* event) override;
protected:
virtual void setActiveImpl(bool active) override;
private:
void resetTool();
PDFPageContentElementFreehandCurve* m_element;
};
/// Tool that displays SVG image
class PDF4QTLIBWIDGETSSHARED_EXPORT PDFCreatePCElementTextTool : public PDFCreatePCElementTool
{
Q_OBJECT
private:
using BaseClass = PDFCreatePCElementTool;
public:
explicit PDFCreatePCElementTextTool(PDFDrawWidgetProxy* proxy,
PDFPageContentScene* scene,
QAction* action,
QObject* parent);
virtual ~PDFCreatePCElementTextTool() override;
virtual void drawPage(QPainter* painter,
PDFInteger pageIndex,
const PDFPrecompiledPage* compiledPage,
PDFTextLayoutGetter& layoutGetter,
const QTransform& pagePointToDevicePointMatrix,
const PDFColorConvertor& convertor,
QList<PDFRenderError>& errors) const override;
virtual const PDFPageContentElement* getElement() const override;
virtual PDFPageContentElement* getElement() override;
virtual void setPen(const QPen& pen) override;
virtual void setFont(const QFont& font) override;
virtual void setAlignment(Qt::Alignment alignment) override;
virtual void setActiveImpl(bool active) override;
virtual void shortcutOverrideEvent(QWidget* widget, QKeyEvent* event) override;
virtual void keyPressEvent(QWidget* widget, QKeyEvent* event) override;
virtual void mousePressEvent(QWidget* widget, QMouseEvent* event) override;
virtual void mouseDoubleClickEvent(QWidget* widget, QMouseEvent* event) override;
virtual void mouseMoveEvent(QWidget* widget, QMouseEvent* event) override;
virtual void wheelEvent(QWidget* widget, QWheelEvent* event) override;
private:
void onRectanglePicked(pdf::PDFInteger pageIndex, QRectF pageRectangle);
void finishEditing();
void resetTool();
std::optional<QPointF> getPagePointUnderMouse(QMouseEvent* event) const;
bool isEditing() const;
PDFPickTool* m_pickTool;
PDFPageContentElementTextBox* m_element;
PDFTextEditPseudowidget* m_textEditWidget;
};
} // namespace pdf
#endif // PDFPAGECONTENTEDITORTOOLS_H