kis_qpainter_canvas.h

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/* This file is part of the KDE project
 * SPDX-FileCopyrightText: 2006 Boudewijn Rempt <boud@valdyas.org>
 * SPDX-FileCopyrightText: 2009 Lukáš Tvrdý <lukast.dev@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
#ifndef KIS_QPAINTER_CANVAS_H
#define KIS_QPAINTER_CANVAS_H
 
#include <QWidget>
 
#include "kis_canvas_widget_base.h"
#include "kis_ui_types.h"
 
class QPaintEvent;
class KisCanvas2;
 
class KisQPainterCanvas : public QWidget, public KisCanvasWidgetBase
{
 
    Q_OBJECT
 
public:
 
    KisQPainterCanvas(KisCanvas2 * canvas, KisCoordinatesConverter *coordinatesConverter, QWidget * parent);
 
    ~KisQPainterCanvas() override;
 
    void setPrescaledProjection(KisPrescaledProjectionSP prescaledProjection);
 
public: // QWidget overrides
 
    void paintEvent(QPaintEvent * ev) override;
 
    void resizeEvent(QResizeEvent *e) override;
 
    QVariant inputMethodQuery(Qt::InputMethodQuery query) const override;
    void inputMethodEvent(QInputMethodEvent *event) override;
 
    void focusInEvent(QFocusEvent *event) override;
    void focusOutEvent(QFocusEvent *event) override;
 
    void hideEvent(QHideEvent *event) override;
    void showEvent(QShowEvent *event) override;
 
public: // Implement kis_abstract_canvas_widget interface
    void setDisplayFilter(QSharedPointer<KisDisplayFilter> displayFilter) override;
    void notifyImageColorSpaceChanged(const KoColorSpace *cs) override;
    void setWrapAroundViewingMode(bool value) override;
    bool wrapAroundViewingMode() const override;
    void setWrapAroundViewingModeAxis(WrapAroundAxis value) override;
    WrapAroundAxis wrapAroundViewingModeAxis() const override;
    void channelSelectionChanged(const QBitArray &channelFlags) override;
    void setDisplayConfig(const KisDisplayConfig &config) override;
    void finishResizingImage(qint32 w, qint32 h) override;
    KisUpdateInfoSP startUpdateCanvasProjection(const QRect & rc) override;
    QRect updateCanvasProjection(KisUpdateInfoSP info) override;
    using KisCanvasWidgetBase::updateCanvasProjection;
 
    QWidget * widget() override {
        return this;
    }
 
    bool isBusy() const override {
        return false;
    }
 
    void setLodResetInProgress(bool value) override {
        Q_UNUSED(value);
    }
 
    void updateCanvasImage(const QRect &imageUpdateRect) override {
        update(imageUpdateRect);
    }
 
    void updateCanvasDecorations(const QRect &decoUpdateRect) override {
        update(decoUpdateRect);
    }
 
protected: // KisCanvasWidgetBase
 
    bool callFocusNextPrevChild(bool next) override;
 
protected:
    virtual void drawImage(QPainter & gc, const QRect &updateWidgetRect) const;
 
private Q_SLOTS:
    void slotConfigChanged();
 
private:
    class Private;
    Private * const m_d;
};
 
#endif