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/*
* Copyright 2010, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 COPYRIGHT
* OWNER OR CONTRIBUTORS 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.
*/
// An alternative class of Transform for 2d Image Rendering Mode.
#ifndef O3D_CORE_CROSS_CAIRO_LAYER_H_
#define O3D_CORE_CROSS_CAIRO_LAYER_H_
#include <vector>
#include "core/cross/bounding_box.h"
#include "core/cross/param.h"
#include "core/cross/param_cache.h"
#include "core/cross/param_object.h"
#include "core/cross/types.h"
#include "core/cross/cairo/texture_cairo.h"
namespace o3d {
namespace o2d {
class Layer : public ParamObject {
friend class Client;
public:
typedef SmartPointer<Layer> Ref;
// Set the corresponding texture for this Layer instance.
void SetTexture(Texture* texture) {
texture_ = TextureCairo::Ref(down_cast<TextureCairo*>(texture));
}
TextureCairo* GetTexture() {
return texture_;
}
float GetAlpha() {
return alpha_;
}
float GetScaleX() {
return scale_x_;
}
float GetScaleY() {
return scale_y_;
}
int GetTranslateX() {
return translate_x_;
}
int GetTranslateY() {
return translate_y_;
}
// Set the transparency of the Layer.
void SetAlpha(float alpha) { alpha_ = alpha; }
// Translate the given x,y from its origin.
void Translate(float x, float y) {
translate_x_ = x;
translate_y_ = y;
}
// Scale the image to the given x,y.
void Scale(float x, float y) {
scale_x_ = x;
scale_y_ = y;
}
private:
explicit Layer(ServiceLocator* service_locator);
friend class o3d::IClassManager;
static ObjectBase::Ref Create(ServiceLocator* service_locator);
// Texture Container.
TextureCairo::Ref texture_;
// Transparancy of the scene.
float alpha_;
// The end-x-size of which the current size needs to scale.
float scale_x_;
// The end-y-size of which the current size needs to scale.
float scale_y_;
// Size of x to translate.
float translate_x_;
// Size of y to translate.
float translate_y_;
O3D_DECL_CLASS(Layer, ParamObject)
}; // Layer
} // namespace o2d
} // namespace o3d
#endif // O3D_CORE_CROSS_CAIRO_LAYER_H_
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