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/*
* Copyright 2011, 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.
*/
// Implementations of the abstract Texture2D.
// Texture Class for handling Cairo Rendering Mode.
#ifndef O3D_CORE_CROSS_CAIRO_TEXTURE_CAIRO_H_
#define O3D_CORE_CROSS_CAIRO_TEXTURE_CAIRO_H_
#include "core/cross/texture.h"
typedef struct _cairo cairo_t;
typedef struct _cairo_surface cairo_surface_t;
namespace o3d {
namespace o2d {
class RendererCairo;
// Texture2DCairo implements the Texture2D interface.
class TextureCairo : public Texture2D {
public:
typedef SmartPointer<TextureCairo> Ref;
// Creates a new Texture2DCairo with the given specs. If the texture
// creation fails then it returns NULL otherwise it returns a pointer to the
// newly created Texture object.
static TextureCairo* Create(ServiceLocator* service_locator,
Texture::Format format,
int levels,
int width,
int height,
bool enable_render_surfaces);
virtual ~TextureCairo();
// Overridden from Texture2D
virtual void SetRect(int level,
unsigned left,
unsigned top,
unsigned width,
unsigned height,
const void* src_data,
int src_pitch);
// Gets a RGBASwizzleIndices that contains a mapping from
// RGBA to the internal format used by the rendering API.
virtual const RGBASwizzleIndices& GetABGR32FSwizzleIndices();
cairo_surface_t* image_surface() const {
return image_surface_;
}
bool content_dirty() const {
return content_dirty_;
}
void set_content_dirty(bool content_dirty) {
content_dirty_ = content_dirty;
}
protected:
// Overridden from Texture2D
virtual bool PlatformSpecificLock(int level, void** texture_data, int* pitch,
AccessMode mode);
// Overridden from Texture2D
virtual bool PlatformSpecificUnlock(int level);
// Overridden from Texture2D
virtual RenderSurface::Ref PlatformSpecificGetRenderSurface(int mip_level);
// Returns the implementation-specific texture handle for this texture.
virtual void* GetTextureHandle() const;
private:
// Initializes the Texture2D.
TextureCairo(ServiceLocator* service_locator,
cairo_surface_t* image_surface,
Texture::Format format,
int levels,
int width,
int height,
bool enable_render_surfaces);
// The Cairo image for this texture.
cairo_surface_t* image_surface_;
// Whether or not this texture's content has changed since it was last updated
// on-screen.
bool content_dirty_;
};
} // namespace o2d
} // namespace o3d
#endif // O3D_CORE_CROSS_CAIRO_TEXTURE_CAIRO_H_
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