scummvm/gui/animation/Drawable.h
2021-12-26 18:48:43 +01:00

109 lines
3.0 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 of the License, 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// Based on code by omergilad.
#ifndef GUI_ANIMATION_DRAWABLE_H
#define GUI_ANIMATION_DRAWABLE_H
#include "common/ptr.h"
#include "graphics/transparent_surface.h"
#include "gui/animation/Animation.h"
namespace GUI {
class Animation;
typedef Common::SharedPtr<Animation> AnimationPtr;
class Drawable {
public:
Drawable() :
_bitmap(NULL), _positionX(0), _positionY(0), _width(0), _height(0), _alpha(1),
_usingSnapshot(false), _shouldCenter(false) {
_displayRatio = 1.0;
}
virtual ~Drawable() {
if (_usingSnapshot)
delete _bitmap;
}
void updateAnimation(long currentTime) {
if (_animation.get() != NULL) {
_animation->update(this, currentTime);
}
}
bool isAnimationFinished() {
if (_animation.get() != NULL)
return _animation->isFinished();
return false;
}
float getAlpha() const { return _alpha; }
void setAlpha(float alpha) { _alpha = alpha; }
AnimationPtr getAnimation() const { return _animation; }
void setAnimation(AnimationPtr animation) { _animation = animation; }
Graphics::TransparentSurface *getBitmap() const { return _bitmap; }
void setBitmap(Graphics::TransparentSurface *bitmap) { _bitmap = bitmap; }
float getPositionX() const { return _positionX; }
void setPositionX(float positionX) { _positionX = positionX; }
float getPositionY() const { return _positionY; }
void setPositionY(float positionY) { _positionY = positionY; }
virtual float getWidth() const { return _width; }
void setWidth(float width) { _width = width; }
virtual float getHeight() const {
if (_height == 0)
return getWidth() * _bitmap->getRatio() * _displayRatio;
return _height;
}
void setHeight(float height) { _height = height; }
void setDisplayRatio(float ratio) { _displayRatio = ratio; }
inline bool shouldCenter() const { return _shouldCenter; }
void setShouldCenter(bool shouldCenter) { _shouldCenter = shouldCenter; }
protected:
bool _usingSnapshot;
private:
Graphics::TransparentSurface *_bitmap;
float _positionX;
float _positionY;
float _width;
float _height;
float _alpha;
bool _shouldCenter;
AnimationPtr _animation;
float _displayRatio;
};
typedef Common::SharedPtr<Drawable> DrawablePtr;
} // End of namespace GUI
#endif /* GUI_ANIMATION_DRAWABLE_H */