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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kolourpaint/pixmapfx/kpeffectinvert.h
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+
+/*
+ Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#ifndef KP_EFFECT_INVERT_H
+#define KP_EFFECT_INVERT_H
+
+
+#include <kpcoloreffect.h>
+
+
+class QCheckBox;
+class QImage;
+
+class kpMainWindow;
+
+
+class kpEffectInvertCommand : public kpColorEffectCommand
+{
+public:
+ enum Channel
+ {
+ None = 0,
+ Red = 1, Green = 2, Blue = 4,
+ RGB = Red | Green | Blue
+ };
+
+ kpEffectInvertCommand (int channels,
+ bool actOnSelection,
+ kpMainWindow *mainWindow);
+ kpEffectInvertCommand (bool actOnSelection,
+ kpMainWindow *mainWindow);
+ virtual ~kpEffectInvertCommand ();
+
+
+ //
+ // Inverts the colours of each pixel in the given image.
+ // These functions differ from QImage::invertPixels() in the following ways:
+ //
+ // 1. for 8-bit images, it inverts the colours of the Colour Table
+ // (this means that you would get visually similar results to inversion
+ // at higher bit depths - rather than a "random-looking" inversion
+ // depending on the contents of the Colour Table)
+ // 2. never inverts the Alpha Buffer
+ //
+
+ static void apply (QPixmap *destPixmapPtr, int channels = RGB);
+ static QPixmap apply (const QPixmap &pm, int channels = RGB);
+ static void apply (QImage *destImagePtr, int channels = RGB);
+ static QImage apply (const QImage &img, int channels = RGB);
+
+
+ //
+ // kpColorEffectCommand interface
+ //
+
+public:
+ virtual bool isInvertible () const { return true; }
+
+protected:
+ virtual QPixmap applyColorEffect (const QPixmap &pixmap);
+
+ int m_channels;
+};
+
+
+class kpEffectInvertWidget : public kpColorEffectWidget
+{
+Q_OBJECT
+
+public:
+ kpEffectInvertWidget (bool actOnSelection,
+ kpMainWindow *mainWindow,
+ QWidget *parent, const char *name = 0);
+ virtual ~kpEffectInvertWidget ();
+
+
+ int channels () const;
+
+
+ //
+ // kpColorEffectWidget interface
+ //
+
+ virtual QString caption () const;
+
+ virtual bool isNoOp () const;
+ virtual QPixmap applyColorEffect (const QPixmap &pixmap);
+
+ virtual kpColorEffectCommand *createCommand () const;
+
+protected slots:
+ void slotRGBCheckBoxToggled ();
+ void slotAllCheckBoxToggled ();
+
+protected:
+ QCheckBox *m_redCheckBox, *m_greenCheckBox, *m_blueCheckBox,
+ *m_allCheckBox;
+
+ // blockSignals() didn't seem to work
+ bool m_inSignalHandler;
+};
+
+
+
+#endif // KP_EFFECT_INVERT_H