Issue #118: First part of splitting

2025-06-05 21:59:17 +02:00 · 2023-12-03 19:11:17 +01:00
parent c01a1da4ec
commit bc8be2198b
391 changed files with 126 additions and 67 deletions
--- a/Pdf4QtLibWidgets/sources/pdfpagecontenteditortools.h
+++ b/Pdf4QtLibWidgets/sources/pdfpagecontenteditortools.h
@ -0,0 +1,292 @@
+//    Copyright (C) 2022 Jakub Melka
+//
+//    This file is part of PDF4QT.
+//
+//    PDF4QT is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    with the written consent of the copyright owner, any later version.
+//
+//    PDF4QT is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
+
+#ifndef PDFPAGECONTENTEDITORTOOLS_H
+#define PDFPAGECONTENTEDITORTOOLS_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 PDF4QTLIBSHARED_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 PDF4QTLIBSHARED_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,
+                          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 PDF4QTLIBSHARED_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,
+                          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 PDF4QTLIBSHARED_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,
+                          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 PDF4QTLIBSHARED_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,
+                          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 PDF4QTLIBSHARED_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,
+                          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 PDF4QTLIBSHARED_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,
+                          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