1 files changed, 111 insertions, 0 deletions
diff --git a/kolourpaint/pixmapfx/kpcoloreffect.h b/kolourpaint/pixmapfx/kpcoloreffect.h
new file mode 100644
index 00000000..8b3dfd09
--- /dev/null
+++ b/kolourpaint/pixmapfx/kpcoloreffect.h
@@ -0,0 +1,111 @@
+
+/*
+   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_COLOR_EFFECT_H
+#define KP_COLOR_EFFECT_H
+
+#include <qstring.h>
+#include <qwidget.h>
+
+#include <kpcommandhistory.h>
+
+class QPixmap;
+
+class kpDocument;
+class kpMainWindow;
+
+
+class kpColorEffectCommand : public kpCommand
+{
+public:
+    kpColorEffectCommand (const QString &name,
+                          bool actOnSelection,
+                          kpMainWindow *mainWindow);
+    virtual ~kpColorEffectCommand ();
+
+    virtual QString name () const;
+    virtual int size () const;
+
+public:
+    virtual void execute ();
+    virtual void unexecute ();
+
+public:
+    // Return true if applyColorEffect(applyColorEffect(pixmap)) == pixmap
+    // to avoid storing the old pixmap, saving memory.
+    virtual bool isInvertible () const { return false; }
+
+protected:
+    virtual QPixmap applyColorEffect (const QPixmap &pixmap) = 0;
+
+private:
+    QString m_name;
+    bool m_actOnSelection;
+
+    QPixmap *m_oldPixmapPtr;
+};
+
+
+class kpColorEffectWidget : public QWidget
+{
+Q_OBJECT
+
+public:
+    kpColorEffectWidget (bool actOnSelection,
+                         kpMainWindow *mainWindow,
+                         QWidget *parent, const char *name = 0);
+    virtual ~kpColorEffectWidget ();
+
+signals:
+    void settingsChangedNoWaitCursor ();
+    
+    void settingsChanged ();
+
+    // (same as settingsChanged() but preview doesn't update until there
+    //  has been no activity for a while - used for sliders in slow effects)
+    void settingsChangedDelayed ();
+
+public:
+    virtual QString caption () const;
+
+    virtual bool isNoOp () const = 0;
+    virtual QPixmap applyColorEffect (const QPixmap &pixmap) = 0;
+
+    virtual kpColorEffectCommand *createCommand () const = 0;
+
+protected:
+    int marginHint () const;
+    int spacingHint () const;
+
+protected:
+    bool m_actOnSelection;
+    kpMainWindow *m_mainWindow;
+};
+
+
+#endif  // KP_COLOR_EFFECT_H