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+//
+// TGA lib for cocos2d-iphone
+//
+// sources from: http://www.lighthouse3d.com/opengl/terrain/index.php3?tgasource
+//
+
+//#ifndef TGA_LIB
+//#define TGA_LIB
+
+/**
+ @file
+ TGA image support
+ */
+
+enum {
+        TGA_OK,
+        TGA_ERROR_FILE_OPEN,
+        TGA_ERROR_READING_FILE,
+        TGA_ERROR_INDEXED_COLOR,
+        TGA_ERROR_MEMORY,
+        TGA_ERROR_COMPRESSED_FILE,
+};
+
+/** TGA format */
+typedef struct sImageTGA {
+        int status;
+        unsigned char type, pixelDepth;
+        
+        /** map width */
+        short int width;
+        
+        /** map height */
+        short int height;
+        
+        /** raw data */
+        unsigned char *imageData;
+        int flipped;
+} tImageTGA;
+
+/// load the image header fields. We only keep those that matter!
+void tgaLoadHeader(FILE *file, tImageTGA *info);
+
+/// loads the image pixels. You shouldn't call this function directly
+void tgaLoadImageData(FILE *file, tImageTGA *info);
+
+/// this is the function to call when we want to load an image
+tImageTGA * tgaLoad(const char *filename);
+
+// /converts RGB to greyscale
+void tgaRGBtogreyscale(tImageTGA *info);
+
+/// releases the memory used for the image
+void tgaDestroy(tImageTGA *info);
+
+//#endif // TGA_LIB