added sources for Slick

Former-commit-id: 1647fa32ef6894bd7db44f741f07c2f4dcdf9054
Former-commit-id: 0e5810dcfbe1fd59b13e7cabe9f1e93c5542da2d

lib/slick-source/org/newdawn/slick/opengl/LoadableImageData.java

@@ -0,0 +1,54 @@
+package org.newdawn.slick.opengl;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.ByteBuffer;
+
+/**
+ * An image data source that can load images from a stream
+ *
+ * @author kevin
+ */
+public interface LoadableImageData extends ImageData {
+	/**
+	 * Configure the edging that can be used to make texture edges
+	 * loop more cleanly
+	 * 
+	 * @param edging True if we should edge
+	 */
+	public void configureEdging(boolean edging);
+	
+	/**
+	 * Load a image from the specified stream
+	 * 
+	 * @param fis The stream from which we'll load the TGA
+	 * @throws IOException Indicates a failure to read the TGA
+	 * @return The byte buffer containing texture data
+	 */
+	public ByteBuffer loadImage(InputStream fis) throws IOException;
+
+	/**
+	 * Load a image from the specified stream
+	 * 
+	 * @param fis The stream from which we'll load the TGA
+	 * @param flipped True if we loading in flipped mode (used for cursors)
+	 * @param transparent The colour to interpret as transparent or null if none
+	 * @return The byte buffer containing texture data
+	 * @throws IOException Indicates a failure to read the TGA
+	 */
+	public ByteBuffer loadImage(InputStream fis, boolean flipped, int[] transparent)
+			throws IOException;
+	
+	/**
+	 * Load a image from the specified stream
+	 * 
+	 * @param fis The stream from which we'll load the TGA
+	 * @param flipped True if we loading in flipped mode (used for cursors)
+	 * @param forceAlpha Force the output to have an alpha channel
+	 * @param transparent The colour to interpret as transparent or null if none
+	 * @return The byte buffer containing texture data
+	 * @throws IOException Indicates a failure to read the TGA
+	 */
+	public ByteBuffer loadImage(InputStream fis, boolean flipped, boolean forceAlpha, int[] transparent)
+			throws IOException;
+}