Initial Mercurial commit.

src/modules/graphics/opengl/ImageFont.h

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+/**
+* Copyright (c) 2006-2009 LOVE Development Team
+* 
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* 
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 
+* 1. The origin of this software must not be misrepresented; you must not
+*    claim that you wrote the original software. If you use this software
+*    in a product, an acknowledgment in the product documentation would be
+*    appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+*    misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+**/
+
+#ifndef LOVE_OPENGL_IMAGE_FONT_H
+#define LOVE_OPENGL_IMAGE_FONT_H
+
+#include <image/ImageData.h>
+#include "Font.h"
+#include "Image.h"
+
+// STD
+#include <string>
+#include <cstdio>
+
+namespace love
+{
+namespace graphics
+{
+namespace opengl
+{
+
+	/**
+	* A class to handle OpenGL image fonts.
+	*
+	* @author Michael Enger
+	* @date 2008-01-17
+	**/
+	class ImageFont : public Font
+	{
+	protected:
+		
+		Image * image;
+		
+		// List of glyphs.
+		std::string glyphs;
+		
+		// The position of each character.
+		int positions[MAX_CHARS];
+		
+		// OpenGL display lists.
+		unsigned int list;
+
+	public:
+		/**
+		* Default constructor.
+		*
+		* @param file The image file.
+		* @param glyphs A list of the characters as they appear in the image.
+		**/
+		ImageFont(Image * image, std::string glyphs);
+
+		/**
+		* Calls unload().
+		**/
+		virtual ~ImageFont();
+
+
+		// From Font
+		virtual void print(std::string text, float x, float y) const;
+		virtual void print(std::string text, float x, float y, float angle, float sx, float sy) const;
+		virtual void print(char character, float x, float y) const;
+
+		// From Resource.
+		bool load();
+		void unload();
+
+		// From Volatile.
+		bool loadVolatile();
+		void unloadVolatile();
+	
+	protected:
+		
+		/**
+		 * Returns the closest number to num which is a power of two.
+		 *
+		 * @param num The number to be 2powered.
+		 **/
+		inline int next_p2(int num);
+
+	}; // ImageFont
+
+} // opengl
+} // graphics
+} // love
+
+#endif // LOVE_OPENGL_IMAGE_FONT_H