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133 lines
3.5 KiB
133 lines
3.5 KiB
/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2004-08-20
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* Description : a widget to display an image with guides
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*
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* Copyright (C) 2004-2008 Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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#ifndef IMAGEGUIDEWIDGET_H
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#define IMAGEGUIDEWIDGET_H
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// TQt includes.
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#include <tqwidget.h>
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#include <tqpoint.h>
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#include <tqcolor.h>
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// Local includes.
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#include "dcolor.h"
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#include "digikam_export.h"
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class TQPixmap;
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namespace Digikam
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{
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class DColor;
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class ImageIface;
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class ImageGuideWidgetPriv;
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class DIGIKAM_EXPORT ImageGuideWidget : public TQWidget
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{
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TQ_OBJECT
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public:
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enum GuideToolMode
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{
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HVGuideMode=0,
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PickColorMode
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};
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enum RenderingPreviewMode
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{
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PreviewOriginalImage=0, // Original image only.
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PreviewBothImagesHorz, // Horizontal with original and target duplicated.
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PreviewBothImagesVert, // Vertical with original and target duplicated.
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PreviewBothImagesHorzCont, // Horizontal with original and target in contiguous.
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PreviewBothImagesVertCont, // Vertical with original and target in contiguous.
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PreviewTargetImage, // Target image only.
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PreviewToggleOnMouseOver, // Original image if mouse is over image area, else target image.
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NoPreviewMode // Target image only without information displayed.
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};
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enum ColorPointSrc
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{
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OriginalImage=0,
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PreviewImage,
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TargetPreviewImage
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};
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public:
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ImageGuideWidget(int w, int h, TQWidget *parent=0,
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bool spotVisible=true, int guideMode=HVGuideMode,
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const TQColor& guideColor=TQt::red, int guideSize=1,
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bool blink=false, bool useImageSelection=false);
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~ImageGuideWidget();
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ImageIface* imageIface();
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TQPoint getSpotPosition();
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DColor getSpotColor(int getColorFrom);
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void setSpotVisible(bool spotVisible, bool blink=false);
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int getRenderingPreviewMode();
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void resetSpotPosition();
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void updatePreview();
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public slots:
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void slotChangeGuideColor(const TQColor &color);
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void slotChangeGuideSize(int size);
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void slotChangeRenderingPreviewMode(int mode);
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void slotToggleUnderExposure(bool);
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void slotToggleOverExposure(bool);
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signals:
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void spotPositionChangedFromOriginal(const Digikam::DColor &color, const TQPoint &position);
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void spotPositionChangedFromTarget(const Digikam::DColor &color, const TQPoint &position);
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void signalResized();
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protected:
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void paintEvent(TQPaintEvent*);
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void resizeEvent(TQResizeEvent*);
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void timerEvent(TQTimerEvent*);
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void mousePressEvent(TQMouseEvent*);
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void mouseReleaseEvent(TQMouseEvent*);
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void mouseMoveEvent(TQMouseEvent*);
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void enterEvent(TQEvent*);
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void leaveEvent(TQEvent*);
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private:
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void updatePixmap();
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private:
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ImageGuideWidgetPriv *d;
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};
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} // NameSpace Digikam
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#endif /* IMAGEGUIDEWIDGET_H */
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