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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date : 2004-12-06
+ * Description : Black and White conversion tool.
+ *
+ * Copyright (C) 2004-2005 by Renchi Raju <[email protected]>
+ * Copyright (C) 2006-2008 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 BWSEPIATOOL_H
+#define BWSEPIATOOL_H
+
+// TQt includes.
+
+#include <tqstring.h>
+
+// Digikam includes.
+
+#include "editortool.h"
+
+class TQHButtonGroup;
+class TQComboBox;
+class TQButtonGroup;
+class TQListBox;
+
+class KTabWidget;
+
+namespace KDcrawIface
+{
+class RIntNumInput;
+}
+
+namespace Digikam
+{
+class HistogramWidget;
+class ColorGradientWidget;
+class ImageWidget;
+class DColor;
+class DImg;
+class CurvesWidget;
+}
+
+namespace DigikamImagesPluginCore
+{
+
+class PreviewPixmapFactory;
+
+class BWSepiaTool : public Digikam::EditorTool
+{
+ TQ_OBJECT
+
+
+public:
+
+ BWSepiaTool(TQObject *parent);
+ ~BWSepiaTool();
+
+ friend class PreviewPixmapFactory;
+
+protected:
+
+ TQPixmap getThumbnailForEffect(int type);
+ void finalRendering();
+
+private:
+
+ void readSettings();
+ void writeSettings();
+ void blackAndWhiteConversion(uchar *data, int w, int h, bool sb, int type);
+
+private slots:
+
+ void slotResetSettings();
+ void slotSaveAsSettings();
+ void slotLoadSettings();
+ void slotEffect();
+ void slotChannelChanged(int channel);
+ void slotScaleChanged(int scale);
+ void slotSpotColorChanged(const Digikam::DColor &color);
+ void slotColorSelectedFromTarget( const Digikam::DColor &color );
+ void slotFilterSelected(int filter);
+
+private:
+
+ enum BlackWhiteConversionType
+ {
+ BWNoFilter=0, // B&W filter to the front of lens.
+ BWGreenFilter,
+ BWOrangeFilter,
+ BWRedFilter,
+ BWYellowFilter,
+
+ BWGeneric, // B&W film simulation.
+ BWAgfa200X,
+ BWAgfapan25,
+ BWAgfapan100,
+ BWAgfapan400,
+ BWIlfordDelta100,
+ BWIlfordDelta400,
+ BWIlfordDelta400Pro3200,
+ BWIlfordFP4,
+ BWIlfordHP5,
+ BWIlfordPanF,
+ BWIlfordXP2Super,
+ BWKodakTmax100,
+ BWKodakTmax400,
+ BWKodakTriX,
+
+ BWNoTone, // Chemical color tone filter.
+ BWSepiaTone,
+ BWBrownTone,
+ BWColdTone,
+ BWSeleniumTone,
+ BWPlatinumTone,
+ BWGreenTone
+ };
+
+ enum HistogramScale
+ {
+ Linear=0,
+ Logarithmic
+ };
+
+ enum ColorChannel
+ {
+ LuminosityChannel=0,
+ RedChannel,
+ GreenChannel,
+ BlueChannel
+ };
+
+ enum SettingsTab
+ {
+ FilmTab=0,
+ BWFiltersTab,
+ ToneTab,
+ LuminosityTab
+ };
+
+ // Color filter attenuation in percents.
+ double m_redAttn, m_greenAttn, m_blueAttn;
+
+ // Channel mixer color multiplier.
+ double m_redMult, m_greenMult, m_blueMult;
+
+ uchar *m_destinationPreviewData;
+
+ TQComboBox *m_channelCB;
+
+ TQHButtonGroup *m_scaleBG;
+
+ TQListBox *m_bwFilters;
+ TQListBox *m_bwFilm;
+ TQListBox *m_bwTone;
+
+ KDcrawIface::RIntNumInput *m_cInput;
+ KDcrawIface::RIntNumInput *m_strengthInput;
+
+ KTabWidget *m_tab;
+
+ Digikam::ImageWidget *m_previewWidget;
+
+ Digikam::ColorGradientWidget *m_hGradient;
+
+ Digikam::HistogramWidget *m_histogramWidget;
+
+ Digikam::CurvesWidget *m_curvesWidget;
+
+ Digikam::DImg *m_originalImage;
+ Digikam::DImg m_thumbnailImage;
+
+ PreviewPixmapFactory *m_previewPixmapFactory;
+};
+
+} // NameSpace DigikamImagesPluginCore
+
+#endif /* BWSEPIATOOL_H */