35 lines
725 B
C++
35 lines
725 B
C++
#pragma once
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#include <QWidget>
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class QPixmap;
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class DrawingCanvasWidget : public QWidget
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{
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Q_OBJECT
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public:
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explicit DrawingCanvasWidget(QWidget *parent = nullptr);
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QPixmap *pixmap() { return m_pixmap; }
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const QPixmap *pixmap() const { return m_pixmap; }
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void setPixmap(QPixmap &pixmap);
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float scale() const { return m_scale; }
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void setScale(float scale);
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signals:
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void scaleChanged(float scale);
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protected:
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void paintEvent(QPaintEvent *ev) override;
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void mousePressEvent(QMouseEvent *event) override;
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void mouseReleaseEvent(QMouseEvent *event) override;
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void mouseMoveEvent(QMouseEvent *event) override;
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private:
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QPixmap *m_pixmap{};
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float m_scale{4.f};
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};
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