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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2006-01-10
* Description : a widget to display CIE tongue from
* an ICC profile.
*
* Copyright (C) 2006-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
*
* Any source code are inspired from lprof project and
* Copyright (C) 1998-2001 Marti Maria
*
* 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 CIETONGUEWIDGET_H
#define CIETONGUEWIDGET_H
#include <config.h>
// TQt includes.
#include <tqwidget.h>
#include <tqcolor.h>
// KDE includes.
#include <kurl.h>
// lcms includes.
#include LCMS_HEADER
#if LCMS_VERSION < 114
#define cmsTakeCopyright(profile) "Unknown"
#endif // LCMS_VERSION < 114
// Local includes.
#include "digikam_export.h"
namespace Digikam
{
class CIETongueWidgetPriv;
class DIGIKAM_EXPORT CIETongueWidget : public TQWidget
{
TQ_OBJECT
public:
CIETongueWidget(int w, int h, TQWidget *parent=0, cmsHPROFILE hMonitor=0);
~CIETongueWidget();
bool setProfileData(const TQByteArray& profileData=TQByteArray());
bool setProfileFromFile(const KURL& file=KURL());
void loadingStarted();
void loadingFailed();
protected:
int grids(double val) const;
void outlineTongue();
void fillTongue();
void drawTongueAxis();
void drawTongueGrid();
void drawLabels();
TQRgb colorByCoord(double x, double y);
void drawSmallElipse(LPcmsCIExyY xyY, BYTE r, BYTE g, BYTE b, int sz);
void paintEvent( TQPaintEvent * );
private:
void drawColorantTriangle();
void drawWhitePoint();
void drawPatches();
void mapPoint(int& icx, int& icy, LPcmsCIExyY xyY);
void biasedLine(int x1, int y1, int x2, int y2);
void biasedText(int x, int y, TQString Txt);
void sweep_sRGB();
void setProfile(cmsHPROFILE hProfile);
private slots:
void slotBlinkTimerDone();
private :
CIETongueWidgetPriv* d;
};
} // namespace Digikam
#endif /* CIETONGUEWIDGET_H */
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