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50
51#ifndef PAINTAREA_H
52#define PAINTAREA_H
53
54#include <QColor>
55#include <QImage>
56#include <QPainterPath>
57#include <QWidget>
58
59class BrushInterface;
60
61class PaintArea : public QWidget
62{
63 Q_OBJECT
64
65public:
66 PaintArea(QWidget *parent = nullptr);
67
68 bool openImage(const QString &fileName);
69 bool saveImage(const QString &fileName, const char *fileFormat);
70 void setImage(const QImage &image);
71 void insertShape(const QPainterPath &path);
72 void setBrushColor(const QColor &color);
73 void setBrushWidth(int width);
74 void setBrush(BrushInterface *brushInterface, const QString &brush);
75
76 QImage image() const { return theImage; }
77 QColor brushColor() const { return color; }
78 int brushWidth() const { return thickness; }
79 QSize sizeHint() const override;
80
81protected:
82 void paintEvent(QPaintEvent *event) override;
83 void mousePressEvent(QMouseEvent *event) override;
84 void mouseMoveEvent(QMouseEvent *event) override;
85 void mouseReleaseEvent(QMouseEvent *event) override;
86
87private:
88 void setupPainter(QPainter &painter);
89
90 QImage theImage = {500, 400, QImage::Format_RGB32};
91 QColor color = Qt::blue;
92 int thickness = 3;
93
94 BrushInterface *brushInterface = nullptr;
95 QString brush;
96 QPoint lastPos = {-1, -1};
97
98 QPainterPath pendingPath;
99};
100
101#endif
102