Replaced the devil love.image module with love.image.magpie, which can decide which image library to use in a similar manner to love.sound.lullaby. Some rough edges still exist.

love.filesystem.newFileData now accepts filepaths and File objects.

--HG--
branch : image-CompressedData

src/modules/image/magpie/FormatHandler.h

@@ -0,0 +1,94 @@
+/**
+ * Copyright (c) 2006-2013 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_IMAGE_MAGPIE_FORMAT_HANDLER_H
+#define LOVE_IMAGE_MAGPIE_FORMAT_HANDLER_H
+
+// LOVE
+#include "image/ImageData.h"
+#include "filesystem/File.h"
+
+namespace love
+{
+namespace image
+{
+namespace magpie
+{
+
+/**
+ * Base class for all ImageData encoder/decoder library interfaces.
+ **/
+class FormatHandler
+{
+public:
+
+	// Raw RGBA pixel data.
+	struct DecodedImage
+	{
+		int width, height;
+		size_t size;
+		unsigned char *data;
+		DecodedImage() : width(0), height(0), size(0), data(0) {};
+	};
+
+	// Pixel data encoded in a particular format.
+	struct EncodedImage
+	{
+		size_t size;
+		unsigned char *data;
+		EncodedImage() : size(0), data(0) {};
+	};
+
+	// Lets pretend we have virtual static methods...
+
+	/**
+	 * Determines whether a particular FileData can be decoded by this handler.
+	 * @param data The data to decode.
+	 **/
+	// virtual static bool canDecode(love::filesystem::FileData *data) = 0;
+
+	/**
+	 * Determines whether this handler can encode to a particular format.
+	 * @param format The format to encode to.
+	 **/
+	// virtual static bool canEncode(ImageData::Format format) = 0;
+
+	/**
+	 * Decodes an image from its encoded form into raw pixel data.
+	 * @param data The encoded data to decode.
+	 * @return The decoded pixel data.
+	 **/
+	// virtual static DecodedImage decode(love::filesystem::FileData *data) = 0;
+
+	/**
+	 * Encodes an image from raw pixel data into a particular format.
+	 * @param img The raw image data to encode.
+	 * @param format The format to encode to.
+	 * @return The encoded image data.
+	 **/
+	// virtual static EncodedImage encode(const DecodedImage &img, ImageData::Format format) = 0;
+
+}; // FormatHandler
+
+} // magpie
+} // image
+} // love
+
+#endif // LOVE_IMAGE_MAGPIE_FORMAT_HANDLER_H