mirror of https://github.com/JakubMelka/PDF4QT.git
293 lines
10 KiB
C++
293 lines
10 KiB
C++
// Copyright (C) 2022 Jakub Melka
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//
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// This file is part of PDF4QT.
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//
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// PDF4QT is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// with the written consent of the copyright owner, any later version.
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//
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// PDF4QT is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
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#ifndef PDFPAGECONTENTEDITORTOOLS_H
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#define PDFPAGECONTENTEDITORTOOLS_H
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#include "pdfwidgettool.h"
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namespace pdf
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{
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class PDFPageContentScene;
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class PDFPageContentElement;
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class PDFPageContentImageElement;
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class PDFPageContentElementDot;
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class PDFPageContentElementLine;
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class PDFPageContentElementTextBox;
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class PDFPageContentElementRectangle;
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class PDFPageContentElementFreehandCurve;
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class PDFTextEditPseudowidget;
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class PDF4QTLIBSHARED_EXPORT PDFCreatePCElementTool : public PDFWidgetTool
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{
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Q_OBJECT
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public:
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PDFCreatePCElementTool(PDFDrawWidgetProxy* proxy,
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PDFPageContentScene* scene,
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QAction* action,
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QObject* parent);
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virtual const PDFPageContentElement* getElement() const = 0;
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virtual PDFPageContentElement* getElement() = 0;
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virtual void setPen(const QPen& pen);
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virtual void setBrush(const QBrush& brush);
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virtual void setFont(const QFont& font);
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virtual void setAlignment(Qt::Alignment alignment);
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virtual void setTextAngle(pdf::PDFReal angle);
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protected:
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static QRectF getRectangleFromPickTool(PDFPickTool* pickTool, const QMatrix& pagePointToDevicePointMatrix);
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PDFPageContentScene* m_scene;
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};
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/// Tool that creates rectangle element.
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class PDF4QTLIBSHARED_EXPORT PDFCreatePCElementRectangleTool : public PDFCreatePCElementTool
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{
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Q_OBJECT
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private:
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using BaseClass = PDFCreatePCElementTool;
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public:
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explicit PDFCreatePCElementRectangleTool(PDFDrawWidgetProxy* proxy,
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PDFPageContentScene* scene,
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QAction* action,
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bool isRounded,
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QObject* parent);
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virtual ~PDFCreatePCElementRectangleTool() override;
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virtual void drawPage(QPainter* painter,
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PDFInteger pageIndex,
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const PDFPrecompiledPage* compiledPage,
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PDFTextLayoutGetter& layoutGetter,
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const QMatrix& pagePointToDevicePointMatrix,
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QList<PDFRenderError>& errors) const override;
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virtual const PDFPageContentElement* getElement() const override;
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virtual PDFPageContentElement* getElement() override;
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private:
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void onRectanglePicked(pdf::PDFInteger pageIndex, QRectF pageRectangle);
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PDFPickTool* m_pickTool;
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PDFPageContentElementRectangle* m_element;
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};
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/// Tool that displays SVG image (or raster image)
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class PDF4QTLIBSHARED_EXPORT PDFCreatePCElementImageTool : public PDFCreatePCElementTool
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{
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Q_OBJECT
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private:
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using BaseClass = PDFCreatePCElementTool;
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public:
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explicit PDFCreatePCElementImageTool(PDFDrawWidgetProxy* proxy,
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PDFPageContentScene* scene,
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QAction* action,
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QByteArray content,
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bool askSelectImage,
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QObject* parent);
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virtual ~PDFCreatePCElementImageTool() override;
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virtual void drawPage(QPainter* painter,
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PDFInteger pageIndex,
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const PDFPrecompiledPage* compiledPage,
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PDFTextLayoutGetter& layoutGetter,
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const QMatrix& pagePointToDevicePointMatrix,
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QList<PDFRenderError>& errors) const override;
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virtual const PDFPageContentElement* getElement() const override;
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virtual PDFPageContentElement* getElement() override;
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protected:
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virtual void setActiveImpl(bool active) override;
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private:
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void selectImage();
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void onRectanglePicked(pdf::PDFInteger pageIndex, QRectF pageRectangle);
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PDFPickTool* m_pickTool;
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PDFPageContentImageElement* m_element;
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bool m_askSelectImage;
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QString m_imageDirectory;
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};
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/// Tool that creates line element.
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class PDF4QTLIBSHARED_EXPORT PDFCreatePCElementLineTool : public PDFCreatePCElementTool
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{
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Q_OBJECT
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private:
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using BaseClass = PDFCreatePCElementTool;
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public:
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explicit PDFCreatePCElementLineTool(PDFDrawWidgetProxy* proxy,
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PDFPageContentScene* scene,
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QAction* action,
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bool isHorizontal,
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bool isVertical,
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QObject* parent);
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virtual ~PDFCreatePCElementLineTool() override;
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virtual void drawPage(QPainter* painter,
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PDFInteger pageIndex,
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const PDFPrecompiledPage* compiledPage,
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PDFTextLayoutGetter& layoutGetter,
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const QMatrix& pagePointToDevicePointMatrix,
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QList<PDFRenderError>& errors) const override;
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virtual const PDFPageContentElement* getElement() const override;
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virtual PDFPageContentElement* getElement() override;
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private:
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void clear();
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void onPointPicked(pdf::PDFInteger pageIndex, QPointF pagePoint);
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PDFPickTool* m_pickTool;
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PDFPageContentElementLine* m_element;
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std::optional<QPointF> m_startPoint;
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};
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/// Tool that creates dot element.
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class PDF4QTLIBSHARED_EXPORT PDFCreatePCElementDotTool : public PDFCreatePCElementTool
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{
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Q_OBJECT
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private:
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using BaseClass = PDFCreatePCElementTool;
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public:
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explicit PDFCreatePCElementDotTool(PDFDrawWidgetProxy* proxy,
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PDFPageContentScene* scene,
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QAction* action,
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QObject* parent);
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virtual ~PDFCreatePCElementDotTool() override;
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virtual void drawPage(QPainter* painter,
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PDFInteger pageIndex,
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const PDFPrecompiledPage* compiledPage,
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PDFTextLayoutGetter& layoutGetter,
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const QMatrix& pagePointToDevicePointMatrix,
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QList<PDFRenderError>& errors) const override;
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virtual const PDFPageContentElement* getElement() const override;
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virtual PDFPageContentElement* getElement() override;
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private:
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void onPointPicked(pdf::PDFInteger pageIndex, QPointF pagePoint);
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PDFPickTool* m_pickTool;
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PDFPageContentElementDot* m_element;
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};
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/// Tool that creates freehand curve element.
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class PDF4QTLIBSHARED_EXPORT PDFCreatePCElementFreehandCurveTool : public PDFCreatePCElementTool
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{
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Q_OBJECT
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private:
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using BaseClass = PDFCreatePCElementTool;
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public:
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explicit PDFCreatePCElementFreehandCurveTool(PDFDrawWidgetProxy* proxy,
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PDFPageContentScene* scene,
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QAction* action,
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QObject* parent);
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virtual ~PDFCreatePCElementFreehandCurveTool() override;
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virtual void drawPage(QPainter* painter,
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PDFInteger pageIndex,
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const PDFPrecompiledPage* compiledPage,
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PDFTextLayoutGetter& layoutGetter,
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const QMatrix& pagePointToDevicePointMatrix,
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QList<PDFRenderError>& errors) const override;
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virtual const PDFPageContentElement* getElement() const override;
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virtual PDFPageContentElement* getElement() override;
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virtual void mousePressEvent(QWidget* widget, QMouseEvent* event) override;
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virtual void mouseReleaseEvent(QWidget* widget, QMouseEvent* event) override;
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virtual void mouseMoveEvent(QWidget* widget, QMouseEvent* event) override;
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protected:
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virtual void setActiveImpl(bool active) override;
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private:
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void resetTool();
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PDFPageContentElementFreehandCurve* m_element;
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};
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/// Tool that displays SVG image
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class PDF4QTLIBSHARED_EXPORT PDFCreatePCElementTextTool : public PDFCreatePCElementTool
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{
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Q_OBJECT
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private:
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using BaseClass = PDFCreatePCElementTool;
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public:
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explicit PDFCreatePCElementTextTool(PDFDrawWidgetProxy* proxy,
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PDFPageContentScene* scene,
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QAction* action,
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QObject* parent);
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virtual ~PDFCreatePCElementTextTool() override;
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virtual void drawPage(QPainter* painter,
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PDFInteger pageIndex,
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const PDFPrecompiledPage* compiledPage,
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PDFTextLayoutGetter& layoutGetter,
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const QMatrix& pagePointToDevicePointMatrix,
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QList<PDFRenderError>& errors) const override;
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virtual const PDFPageContentElement* getElement() const override;
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virtual PDFPageContentElement* getElement() override;
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virtual void setPen(const QPen& pen) override;
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virtual void setFont(const QFont& font) override;
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virtual void setAlignment(Qt::Alignment alignment) override;
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virtual void setActiveImpl(bool active) override;
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virtual void shortcutOverrideEvent(QWidget* widget, QKeyEvent* event) override;
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virtual void keyPressEvent(QWidget* widget, QKeyEvent* event) override;
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virtual void mousePressEvent(QWidget* widget, QMouseEvent* event) override;
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virtual void mouseDoubleClickEvent(QWidget* widget, QMouseEvent* event) override;
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virtual void mouseMoveEvent(QWidget* widget, QMouseEvent* event) override;
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virtual void wheelEvent(QWidget* widget, QWheelEvent* event) override;
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private:
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void onRectanglePicked(pdf::PDFInteger pageIndex, QRectF pageRectangle);
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void finishEditing();
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void resetTool();
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std::optional<QPointF> getPagePointUnderMouse(QMouseEvent* event) const;
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bool isEditing() const;
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PDFPickTool* m_pickTool;
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PDFPageContentElementTextBox* m_element;
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PDFTextEditPseudowidget* m_textEditWidget;
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};
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} // namespace pdf
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#endif // PDFPAGECONTENTEDITORTOOLS_H
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