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/*
* kis_tool_crop.h - part of Krita
*
* Copyright (c) 2004 Boudewijn Rempt <boud@valdyas.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KIS_TOOL_CROP_H_
#define KIS_TOOL_CROP_H_
#include <qpoint.h>
#include <qregion.h>
#include <kis_tool_non_paint.h>
#include <kis_tool_factory.h>
class QRect;
class QCursor;
class WdgToolCrop;
/**
* Crop tool
*
* TODO: - crop from selection -- i.e, set crop outline to the exact bounds of the selection.
* - (when moving to Qt 4: replace rectangle with darker, dimmer overlay layer
* like we have for selections right now)
*/
class KisToolCrop : public KisToolNonPaint {
typedef KisToolNonPaint super;
Q_OBJECT
public:
KisToolCrop();
virtual ~KisToolCrop();
virtual void update(KisCanvasSubject *subject);
virtual QWidget* createOptionWidget(QWidget* parent);
virtual QWidget* optionWidget();
virtual void setup(KActionCollection *collection);
virtual enumToolType toolType() { return TOOL_TRANSFORM; }
virtual Q_UINT32 priority() { return 1; }
virtual void paint(KisCanvasPainter& gc);
virtual void paint(KisCanvasPainter& gc, const QRect& rc);
virtual void buttonPress(KisButtonPressEvent *e);
virtual void move(KisMoveEvent *e);
virtual void buttonRelease(KisButtonReleaseEvent *e);
virtual void doubleClick(KisDoubleClickEvent *);
public slots:
virtual void activate();
virtual void deactivate();
private:
void clearRect();
QRegion handles(QRect rect);
void paintOutlineWithHandles();
void paintOutlineWithHandles(KisCanvasPainter& gc, const QRect& rc);
Q_INT32 mouseOnHandle (const QPoint currentViewPoint);
void setMoveResizeCursor (Q_INT32 handle);
void validateSelection(bool updateratio = true);
void setOptionWidgetX(Q_INT32 x);
void setOptionWidgetY(Q_INT32 y);
void setOptionWidgetWidth(Q_INT32 x);
void setOptionWidgetHeight(Q_INT32 y);
void setOptionWidgetRatio(double ratio);
private slots:
void crop();
void setCropX(int x);
void setCropY(int y);
void setCropWidth(int x);
void setCropHeight(int y);
void setRatio(double ratio);
inline QRect realRectCrop() { QRect r = m_rectCrop; r.setSize(r.size() - QSize(1,1)); return r; }
private:
void updateWidgetValues(bool updateratio = true);
KisCanvasSubject *m_subject;
QRect m_rectCrop; // Is the coordinate of the outline rect and not of the region to crop (to get the region to crop you need to remove 1 to width and height
// QPoint m_startPos;
// QPoint m_endPos;
bool m_selecting;
QPoint m_dragStart;
QPoint m_dragStop;
WdgToolCrop* m_optWidget;
Q_INT32 m_handleSize;
QRegion m_handlesRegion;
bool m_haveCropSelection;
Q_INT32 m_dx, m_dy;
Q_INT32 m_mouseOnHandleType;
QCursor m_cropCursor;
enum handleType
{
None = 0,
UpperLeft = 1,
UpperRight = 2,
LowerLeft = 3,
LowerRight = 4,
Upper = 5,
Lower = 6,
Left = 7,
Right = 8,
Inside = 9
};
};
class KisToolCropFactory : public KisToolFactory {
typedef KisToolFactory super;
public:
KisToolCropFactory() : super() {};
virtual ~KisToolCropFactory(){};
virtual KisTool * createTool(KActionCollection * ac) {
KisTool * t = new KisToolCrop();
Q_CHECK_PTR(t);
t->setup(ac);
return t;
}
virtual KisID id() { return KisID("crop", i18n("Crop Tool")); }
};
#endif // KIS_TOOL_CROP_H_
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