# An android Bitmap, get an instance using the AssetManager or the ResourceManager
private extern class NativeBitmap in "Java" `{ android.graphics.Bitmap `}
	super JavaObject

	# Create a NativeBitmap from a NativeInputStream retrieved with `open` function of the AssetManager
	# Called by the AssetManager
	new from_stream(input_stream: NativeInputStream) in "Java" `{ return BitmapFactory.decodeStream(input_stream); `}

	# Create a NativeBitmap using a resource ID and the NativeResources
	# Called by the ResourceManager
	new from_resources(res: NativeResources, id: Int) in "Java" `{ return BitmapFactory.decodeResource(res, (int)id); `}

	# Width in pixels
	#
	# Wraps Java: `int android.graphics.Bitmap.getWidth()`
	fun width: Int in "Java" `{ return self.getWidth(); `}

	# Height in pixels
	#
	# Wraps Java: `int android.graphics.Bitmap.getHeight()`
	fun height: Int in "Java" `{ return self.getHeight(); `}

	# Number of bytes per row
	#
	# Wraps Java: `int android.graphics.Bitmap.getRowBytes()`
	fun row_bytes: Int in "Java" `{
		return self.getRowBytes();
	`}

	# Does this bitmap has an alpha channel?
	#
	# Wraps Java: `boolean android.graphics.Bitmap.hasAlpha()`
	fun has_alpha: Bool in "Java" `{
		return self.hasAlpha();
	`}

	fun recycle in "Java" `{
		self.recycle();
	`}

	# HACK for bug #845
	redef fun new_global_ref import sys, Sys.jni_env `{
		Sys sys = NativeBitmap_sys(self);
		JNIEnv *env = Sys_jni_env(sys);
		return (*env)->NewGlobalRef(env, self);
	`}

	redef fun pop_from_local_frame_with_env(jni_env) `{
		return (*jni_env)->PopLocalFrame(jni_env, self);
	`}
end