/usr/include/guichan/opengl/openglimage.hpp is in libguichan-dev 0.8.2-16.
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* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
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*
* Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
*
*
* Per Larsson a.k.a finalman
* Olof Naessén a.k.a jansem/yakslem
*
* Visit: http://guichan.sourceforge.net
*
* License: (BSD)
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of Guichan 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.
*/
#ifndef GCN_OPENGLIMAGE_HPP
#define GCN_OPENGLIMAGE_HPP
#if defined (_WIN32)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#if defined (__amigaos4__)
#include <mgl/gl.h>
#elif defined (__APPLE__)
#include <OpenGL/gl.h>
#else
#include <GL/gl.h>
#endif
#include <string>
#include "guichan/color.hpp"
#include "guichan/platform.hpp"
#include "guichan/image.hpp"
namespace gcn
{
/**
* OpenGL implementation of Image.
*/
class GCN_EXTENSION_DECLSPEC OpenGLImage : public Image
{
public:
/**
* Constructor. Loads an image from an array of pixels. The pixel array is
* is copied in the constructor and should thus be freed after the constructor
* has been called.
*
* NOTE: The functions getPixel and putPixel are only guaranteed to work
* before an image has been converted to display format.
*
* @param pixels to load from.
* @param width the width of the image.
* @param height the height of the image.
* @param convertToDisplayFormat true if the image should be converted
* to display, false otherwise.
*/
OpenGLImage(const unsigned int* pixels, int width, int height, bool convertToDisplayFormat = true);
/**
* Constructor. Load an image from an OpenGL texture handle. The width
* and height specifies the size of the "interesting" part of the
* texture, the real width and height of the texture are assumed to
* be the closest higher power of two.
*
* @param textureHandle the texture handle from which to load.
* @param width the width of the image.
* @param height the height of the image.
* @param autoFree true if the surface should automatically be deleted.
*/
OpenGLImage(GLuint textureHandle, int width, int height, bool autoFree);
/**
* Destructor.
*/
virtual ~OpenGLImage();
/**
* Gets the OpenGL texture handle for the image.
*
* @return the OpenGL texture handle for the image.
*/
virtual GLuint getTextureHandle() const;
/**
* Gets the width of texture.
*
* @return the width of the texture.
*/
virtual int getTextureWidth() const;
/**
* Gets the height of the texture.
*
* @return the height of the texture.
*/
virtual int getTextureHeight() const;
// Inherited from Image
virtual void free();
virtual int getWidth() const;
virtual int getHeight() const;
virtual Color getPixel(int x, int y);
virtual void putPixel(int x, int y, const Color& color);
virtual void convertToDisplayFormat();
protected:
GLuint mTextureHandle;
unsigned int* mPixels;
bool mAutoFree;
int mWidth;
int mHeight;
int mTextureWidth;
int mTextureHeight;
};
}
#endif // end GCN_OPENGLIMAGE_HPP
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