Fix several issues with crop/straighten

bug:7386266
bug:7386270
bug:7385727

- use a transparent white for the bounds instead of green
- add "rule of third" lines to the crop tool
- improves preview image quality for geometric operations

Change-Id: I94c233e7ea89d67451e7808fb71537d03a1c183d

1 files changed, 5 insertions, 1 deletions

diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterGeometry.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterGeometry.java
index b9c94b634..2c7ed2dd8 100644
--- a/src/com/android/gallery3d/filtershow/filters/ImageFilterGeometry.java
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterGeometry.java
@@ -105,7 +105,11 @@ public class ImageFilterGeometry extends ImageFilter {
                 bitmap.getWidth() / rp.width(), null);
         */
         Canvas canvas = new Canvas(temp);
-        canvas.drawBitmap(bitmap, drawMatrix, new Paint());
+        Paint paint = new Paint();
+        paint.setAntiAlias(true);
+        paint.setFilterBitmap(true);
+        paint.setDither(true);
+        canvas.drawBitmap(bitmap, drawMatrix, paint);
         return temp;
     }