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102 lines
2.4 KiB
102 lines
2.4 KiB
/* ============================================================
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*
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* This file is a part of kipi-plugins project
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* http://www.kipi-plugins.org
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*
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* Date : 2007-11-14
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* Description : a kipi plugin to slide images.
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*
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* Copyright (C) 2007 by Valerio Fuoglio <valerio dot fuoglio at gmail dot com>
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*
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* Parts of this code are based on smoothslidesaver by Carsten Weinhold
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* <carsten dot weinhold at gmx dot de>
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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) 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 KBEFFECT_H
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#define KBEFFECT_H
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namespace KIPISlideShowPlugin
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{
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class Image;
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class SlideShowKB;
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class KBEffect
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{
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public:
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typedef enum { Fade, Blend } Type;
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KBEffect(SlideShowKB *parent, bool m_needFadeIn = true);
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virtual ~KBEffect();
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virtual void advanceTime(float step) = 0;
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virtual Type type() = 0;
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virtual bool done() = 0;
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virtual bool fadeIn() const { return m_needFadeIn; };
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static Type chooseKBEffect(Type oldType);
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protected:
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void setupNewImage(int img);
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void swapImages();
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Image *image(int img);
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protected:
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static int m_numKBEffectRepeated;
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bool m_needFadeIn;
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Image *m_img[2];
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private:
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SlideShowKB *slideWidget;
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};
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// -------------------------------------------------------------------------
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class FadeKBEffect: public KBEffect
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{
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public:
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FadeKBEffect(SlideShowKB *parent, bool m_needFadeIn = true);
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virtual ~FadeKBEffect();
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virtual void advanceTime(float step);
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virtual Type type() { return Fade; };
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virtual bool done();
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};
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// -------------------------------------------------------------------------
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class BlendKBEffect: public KBEffect
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{
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public:
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BlendKBEffect(SlideShowKB *parent, bool m_needFadeIn = true);
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virtual ~BlendKBEffect();
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virtual void advanceTime(float step);
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virtual Type type() { return Blend; };
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virtual bool done();
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};
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} // NameSpace KIPISlideShowPlugin
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#endif // KBEFFECT_H
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