Fixing SkTileGrid to clamp rather than clip content and querries that are outside the bounds of the…

include/core/SkMath.h

Index: include/core/SkMath.h
===================================================================
--- include/core/SkMath.h	(revision 8533)
+++ include/core/SkMath.h	(working copy)
@@ -55,6 +55,14 @@
     return value & ~(value >> 31);
 }
 
+/** Given an integer and an integer range, return the value
+ *  pinned against min and max, inclusive.
+ *  @return min if value < min, max if value > max, else value
+ */
+static inline int SkClampMinMax(int value, int min, int max) {

[reed1, 2013/04/09 15:23:42]

How is this different from SkPin32() ?

+    return (value < min ? min : (value > max ? max : value));
+}
+
 /** Given an integer and a positive (max) integer, return the value
  *  pinned against 0 and max, inclusive.
  *  @param value    The value we want returned pinned between [0...max]