#ifndef CANVASWIDGET_H
#define CANVASWIDGET_H
#include
class QImage;
#include airbrush.h
#include image.h
class CanvasWidget : public QWidget
{
Q_OBJECT
public:
explicit CanvasWidget(QWidget *parent = nullptr);
bool loadFromPath( const QString& path );
bool saveToPath( const QString& path );
bool isModified() const { return modified; }
QColor getColor() const { return color; }
QImage getBrushImage() const;
signals:
void brushChanged( const QImage& brushImage ) const;
public slots:
void clear();
void setRadius(int r);
void setFlowRate(int f);
void setShape(const QString& str);
void setColor(const QColor& c);
protected:
void mousePressEvent(QMouseEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
void mouseReleaseEvent(QMouseEvent *event) override;
void paintEvent(QPaintEvent *event) override;
void resizeEvent(QResizeEvent *event) override;
void timerEvent(QTimerEvent *event) override;
private:
void brushAt(const QPoint &point);
void updateBrushImage();
bool modified;
graphics101::Image image;
graphics101::Image airbrush_image;
int radius;
QColor color;
int flowRate;
graphics101::AirBrushShape shape;
int flowRateTimerID;
bool painting;
QPoint lastPos;
};
#endif // CANVASWIDGET_H
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