You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
116 lines
2.9 KiB
116 lines
2.9 KiB
/* ============================================================
|
|
*
|
|
* This file is a part of digiKam project
|
|
* http://www.digikam.org
|
|
*
|
|
* Date : 2004-08-17
|
|
* Description : a widget to draw an image clip region.
|
|
*
|
|
* Copyright (C) 2004-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
|
|
*
|
|
* 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, 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.
|
|
*
|
|
* ============================================================ */
|
|
|
|
#ifndef IMAGEREGIONWIDGET_H
|
|
#define IMAGEREGIONWIDGET_H
|
|
|
|
// TQt includes.
|
|
|
|
#include <tqrect.h>
|
|
|
|
// Local includes.
|
|
|
|
#include "previewwidget.h"
|
|
#include "dimg.h"
|
|
#include "digikam_export.h"
|
|
|
|
namespace Digikam
|
|
{
|
|
|
|
class ImageRegionWidgetPriv;
|
|
|
|
class DIGIKAM_EXPORT ImageRegionWidget : public PreviewWidget
|
|
{
|
|
Q_OBJECT
|
|
TQ_OBJECT
|
|
|
|
public:
|
|
|
|
enum SeparateViewMode
|
|
{
|
|
SeparateViewHorizontal=0,
|
|
SeparateViewVertical,
|
|
SeparateViewNone,
|
|
SeparateViewDuplicateVert,
|
|
SeparateViewDuplicateHorz
|
|
};
|
|
|
|
public:
|
|
|
|
ImageRegionWidget(int wp, int hp, TQWidget *parent=0, bool scrollBar=true);
|
|
~ImageRegionWidget();
|
|
|
|
void setContentsPosition(int x, int y, bool targetDone);
|
|
void setCenterContentsPosition();
|
|
|
|
/** To get image region including original or/and target area depending of separate view mode.
|
|
The region is given using not scaled image unit.*/
|
|
TQRect getImageRegion();
|
|
|
|
/** To get target image region area to render */
|
|
TQRect getImageRegionToRender();
|
|
|
|
/** To get target image region image to use for render operations */
|
|
DImg getImageRegionImage();
|
|
|
|
void updatePreviewImage(DImg *img);
|
|
|
|
void backupPixmapRegion();
|
|
void restorePixmapRegion();
|
|
|
|
void setHighLightPoints(const TQPointArray& pointsList);
|
|
void drawSeparateView();
|
|
|
|
public slots:
|
|
|
|
void slotSeparateViewToggled(int mode);
|
|
|
|
private slots:
|
|
|
|
void slotZoomFactorChanged();
|
|
|
|
private:
|
|
|
|
void updatePixmap(DImg& img);
|
|
TQRect getLocalTargetImageRegion();
|
|
TQRect getLocalImageRegionToRender();
|
|
void viewportPaintExtraData();
|
|
int previewWidth();
|
|
int previewHeight();
|
|
bool previewIsNull();
|
|
void resetPreview();
|
|
void setContentsSize();
|
|
void resizeEvent(TQResizeEvent *);
|
|
void contentsWheelEvent(TQWheelEvent *);
|
|
|
|
inline void paintPreview(TQPixmap *pix, int sx, int sy, int sw, int sh);
|
|
|
|
private:
|
|
|
|
ImageRegionWidgetPriv* d;
|
|
};
|
|
|
|
} // NameSpace Digikam
|
|
|
|
#endif /* IMAGEREGIONWIDGET_H */
|