diff options
Diffstat (limited to 'graphics')
| -rw-r--r-- | graphics/java/android/graphics/drawable/Drawable.java | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/graphics/java/android/graphics/drawable/Drawable.java b/graphics/java/android/graphics/drawable/Drawable.java index e8e4664..532c888 100644 --- a/graphics/java/android/graphics/drawable/Drawable.java +++ b/graphics/java/android/graphics/drawable/Drawable.java @@ -809,6 +809,14 @@ public abstract class Drawable { * {@link android.graphics.PixelFormat#TRANSPARENT}, or * {@link android.graphics.PixelFormat#OPAQUE}. * + * <p>An OPAQUE drawable is one that draws all all content within its bounds, completely + * covering anything behind the drawable. A TRANSPARENT drawable is one that draws nothing + * within its bounds, allowing everything behind it to show through. A TRANSLUCENT drawable + * is a drawable in any other state, where the drawable will draw some, but not all, + * of the content within its bounds and at least some content behind the drawable will + * be visible. If the visibility of the drawable's contents cannot be determined, the + * safest/best return value is TRANSLUCENT. + * * <p>Generally a Drawable should be as conservative as possible with the * value it returns. For example, if it contains multiple child drawables * and only shows one of them at a time, if only one of the children is |