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| |
| #ifndef PAINTAREA_H |
| #define PAINTAREA_H |
| |
| #include <QColor> |
| #include <QImage> |
| #include <QPainterPath> |
| #include <QWidget> |
| |
| class BrushInterface; |
| |
| class PaintArea : public QWidget |
| { |
| Q_OBJECT |
| |
| public: |
| PaintArea(QWidget *parent = nullptr); |
| |
| bool openImage(const QString &fileName); |
| bool saveImage(const QString &fileName, const char *fileFormat); |
| void setImage(const QImage &image); |
| void insertShape(const QPainterPath &path); |
| void setBrushColor(const QColor &color); |
| void setBrushWidth(int width); |
| void setBrush(BrushInterface *brushInterface, const QString &brush); |
| |
| QImage image() const { return theImage; } |
| QColor brushColor() const { return color; } |
| int brushWidth() const { return thickness; } |
| QSize sizeHint() const override; |
| |
| protected: |
| void paintEvent(QPaintEvent *event) override; |
| void mousePressEvent(QMouseEvent *event) override; |
| void mouseMoveEvent(QMouseEvent *event) override; |
| void mouseReleaseEvent(QMouseEvent *event) override; |
| |
| private: |
| void setupPainter(QPainter &painter); |
| |
| QImage theImage = {500, 400, QImage::Format_RGB32}; |
| QColor color = Qt::blue; |
| int thickness = 3; |
| |
| BrushInterface *brushInterface = nullptr; |
| QString brush; |
| QPoint lastPos = {-1, -1}; |
| |
| QPainterPath pendingPath; |
| }; |
| |
| #endif |