org.oscim.backend: docs and cleanups

vtm-gdx-desktop/src/org/oscim/awt/AwtBitmap.java

@@ -67,7 +67,7 @@ public class AwtBitmap implements Bitmap {
 	private int dbgCnt;
 
 	@Override
-	public int uploadToTexture(boolean replace) {
+	public void uploadToTexture(boolean replace) {
 		int[] pixels;
 		IntBuffer buffer;
 
@@ -113,8 +113,6 @@ public class AwtBitmap implements Bitmap {
 
 		Gdx.gl20.glTexImage2D(GL20.GL_TEXTURE_2D, 0, GL20.GL_RGBA, width,
 		                      height, 0, GL20.GL_RGBA, GL20.GL_UNSIGNED_BYTE, buffer);
-
-		return 0;
 	}
 
 	@Override

vtm-gdx-desktop/src/org/oscim/awt/AwtGraphics.java

@@ -24,23 +24,11 @@ public class AwtGraphics extends CanvasAdapter {
 		// do nothing
 	}
 
-	@Override
-	public int getColor(Color color) {
-		// TODO Auto-generated method stub
-		return 0;
-	}
-
 	@Override
 	public Paint getPaint() {
 		return new AwtPaint();
 	}
 
-	@Override
-	public int parseColor(String colorString) {
-		// TODO Auto-generated method stub
-		return 0;
-	}
-
 	@Override
 	public Bitmap getBitmap(int width, int height, int format) {
 		return new AwtBitmap(width, height, format);