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gui/animation/Drawable.h

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+/* 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/managed_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::ManagedSurface *getBitmap() const { return _bitmap; }
+	void setBitmap(Graphics::ManagedSurface *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 && _bitmap && _bitmap->w && _bitmap->h)
+			return getWidth() * _displayRatio * _bitmap->h / _bitmap->w;
+
+		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::ManagedSurface *_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 */