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109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* Additional copyright for this file:
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* Copyright (C) 1995-1997 Presto Studios, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef PEGASUS_TRANSITION_H
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#define PEGASUS_TRANSITION_H
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#include "pegasus/fader.h"
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namespace Graphics {
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struct Surface;
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}
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namespace Pegasus {
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class ScreenFader : public Fader {
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public:
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ScreenFader();
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virtual ~ScreenFader();
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void doFadeOutSync(const TimeValue = kOneSecondPerThirtyTicks, const TimeScale = kThirtyTicksPerSecond, bool isBlack = true);
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void doFadeInSync(const TimeValue = kHalfSecondPerThirtyTicks, const TimeScale = kThirtyTicksPerSecond, bool isBlack = true);
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void setFaderValue(const int32);
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private:
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bool _isBlack;
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uint32 fadePixel(uint32 color, int32 percent) const;
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Graphics::Surface *_screen;
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};
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// Transitions are faders that range over [0,1000], which makes their
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// "resolution" one tenth of a percent
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static const int kTransitionBottom = 0;
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static const int kTransitionTop = 1000;
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static const int kTransitionRange = kTransitionTop - kTransitionBottom;
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class Transition : public FaderAnimation {
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public:
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Transition(const DisplayElementID id);
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virtual ~Transition() {}
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virtual void setBounds(const Common::Rect &);
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virtual void setInAndOutElements(DisplayElement *, DisplayElement *);
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DisplayElement *getInElement() { return _inPicture; }
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DisplayElement *getOutElement() { return _outPicture; }
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protected:
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DisplayElement *_outPicture;
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DisplayElement *_inPicture;
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CoordType _boundsWidth, _boundsHeight;
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};
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class Slide : public Transition {
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public:
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Slide(const DisplayElementID id) : Transition(id) {}
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virtual ~Slide() {}
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virtual void setSlideDirection(SlideDirection dir) { _direction = dir; }
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virtual void draw(const Common::Rect &);
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virtual void setDirection(const SlideDirection dir) { _direction = dir; }
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protected:
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virtual void adjustSlideRects(Common::Rect &, Common::Rect &);
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virtual void drawElements(const Common::Rect &, const Common::Rect &, const Common::Rect &);
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virtual void drawSlideElement(const Common::Rect &, const Common::Rect &, DisplayElement *);
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SlideDirection _direction;
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};
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class Push : public Slide {
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public:
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Push(const DisplayElementID id) : Slide(id) {}
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virtual ~Push() {}
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protected:
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virtual void adjustSlideRects(Common::Rect &, Common::Rect &);
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};
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} // End of namespace Pegasus
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#endif
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