Fix range on blur intrinsic.

The intrinsic fails when the radius was 0. A blur
of radius 0 is a nop and should be disallowed. Fix the
test to allow sub-pixel radius to be selected.

bug 7273437

Change-Id: I2805674e29d557615eb7ac65c7910d4dffa28b58

1 files changed, 3 insertions, 3 deletions

diff --git a/graphics/java/android/renderscript/ScriptIntrinsicBlur.java b/graphics/java/android/renderscript/ScriptIntrinsicBlur.java
index 61e5d4f..2a04b42 100644
--- a/graphics/java/android/renderscript/ScriptIntrinsicBlur.java
+++ b/graphics/java/android/renderscript/ScriptIntrinsicBlur.java
@@ -69,13 +69,13 @@ public final class ScriptIntrinsicBlur extends ScriptIntrinsic {
     /**
      * Set the radius of the Blur.
      *
-     * Supported range 0-25
+     * Supported range 0 < radius <= 25
      *
      * @param radius The radius of the blur
      */
     public void setRadius(float radius) {
-        if (radius < 0 || radius > 25) {
-            throw new RSIllegalArgumentException("Radius out of range (0-25).");
+        if (radius <= 0 || radius > 25) {
+            throw new RSIllegalArgumentException("Radius out of range (0 < r <= 25).");
         }
         setVar(0, radius);
     }