diff ext/guichan-0.8.1/include/guichan/opengl/openglimage.hpp @ 0:4a0efb7baf70

* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/guichan-0.8.1/include/guichan/opengl/openglimage.hpp	Sun Jun 29 18:44:17 2008 +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