Remove GrRandom API in favor of SkRandom.

TEST=tests
R=bsalomon@google.com

Review URL: https://codereview.appspot.com/6855062

git-svn-id: http://skia.googlecode.com/svn/trunk@6539 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 15 insertions, 0 deletions

diff --git a/include/core/SkRandom.h b/include/core/SkRandom.h
index 4731bbed4b..c8d71996e5 100644
--- a/include/core/SkRandom.h
+++ b/include/core/SkRandom.h
@@ -40,6 +40,21 @@ public:
     */
     S16CPU nextS16() { return this->nextS() >> 16; }
 
+    /**
+     *  Returns value [0...1) as a float
+     */
+    float nextF() {
+        // const is 1 / (2^32 - 1)
+        return (float)(this->nextU() * 2.32830644e-10);
+    }
+
+    /**
+     *  Returns value [min...max) as a float
+     */
+    float nextRangeF(float min, float max) {
+        return min + this->nextF() * (max - min);
+    }
+
     /** Return the next pseudo random number, as an unsigned value of
         at most bitCount bits.
         @param bitCount The maximum number of bits to be returned