Mercurial > fife-parpg
diff ext/guichan-0.8.2/include/guichan/opengl/openglimage.hpp @ 378:64738befdf3b
bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
author | vtchill@33b003aa-7bff-0310-803a-e67f0ece8222 |
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date | Mon, 11 Jan 2010 23:34:52 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ext/guichan-0.8.2/include/guichan/opengl/openglimage.hpp Mon Jan 11 23:34:52 2010 +0000 @@ -0,0 +1,157 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * 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