add isValid() to Bitmap interface

2014-01-20 22:49:33 +01:00
parent 652024c5dc
commit 94011804be
5 changed files with 22 additions and 1 deletions
--- a/vtm-android/src/org/oscim/android/canvas/AndroidBitmap.java
+++ b/vtm-android/src/org/oscim/android/canvas/AndroidBitmap.java
@@ -25,11 +25,15 @@ import android.opengl.GLUtils;

 public class AndroidBitmap implements org.oscim.backend.canvas.Bitmap {
 	final Bitmap mBitmap;
-
 	public AndroidBitmap(InputStream inputStream) {
 		mBitmap = BitmapFactory.decodeStream(inputStream);
 	}

+	@Override
+	public boolean isValid(){
+		return mBitmap != null;
+	}
+
 	/**
 	 * @param format ignored always ARGB8888
 	 */