kis_image_patch.h

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/*
 *  SPDX-FileCopyrightText: 2010 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef KIS_IMAGE_PATCH_H_
#define KIS_IMAGE_PATCH_H_
 
#include <QPainter>
#include <QImage>
#include <kis_types.h>
 
#define BORDER_SIZE(scale) (ceil(0.5/scale))
 
 
class KisImagePatch
{
public:
    KisImagePatch();
 
    KisImagePatch(QRect imageRect, qint32 borderWidth,
                  qreal scaleX, qreal scaleY);
 
    void setImage(QImage image);
 
    void preScale(const QRectF &dstRect);
 
    QRect patchRect();
 
    void drawMe(QPainter &gc,
                const QRectF &dstRect,
                QPainter::RenderHints renderHints);
 
    bool isValid();
 
private:
    qreal m_scaleX {0.0};
    qreal m_scaleY {0.0};
 
    QRect m_patchRect;
 
    QRectF m_interestRect;
 
    QImage m_image;
    bool m_isScaled {false};
};
 
#endif /* KIS_IMAGE_PATCH_H_ */