Enable use of distance fields via SkPaint flag.

include/core/SkPaint.h

Index: include/core/SkPaint.h
diff --git a/include/core/SkPaint.h b/include/core/SkPaint.h
index 7d553ec8e0cd5a219e69a0652fa3f79fb5ec38a9..2b30a7cda5d5950084804280c03217a5103ae20a 100644
--- a/include/core/SkPaint.h
+++ b/include/core/SkPaint.h
@@ -118,6 +118,8 @@ public:
         kAutoHinting_Flag     = 0x800,  //!< mask to force Freetype's autohinter
         kVerticalText_Flag    = 0x1000,
         kGenA8FromLCD_Flag    = 0x2000, // hack for GDI -- do not use if you can help it
+        kDistanceFieldTextTEMP_Flag = 0x4000, //!< TEMPORARY mask to enable distance fields
+                                              // currently overrides LCD and subpixel rendering
         // when adding extra flags, note that the fFlags member is specified
         // with a bit-width and you'll have to expand it.
 
@@ -284,6 +286,19 @@ public:
     */
     void setDevKernText(bool devKernText);
 
+    /** Helper for getFlags(), returns true if kDistanceFieldTextTEMP_Flag bit is set
+     @return true if the distanceFieldText bit is set in the paint's flags.
+     */
+    bool isDistanceFieldTextTEMP() const {
+        return SkToBool(this->getFlags() & kDistanceFieldTextTEMP_Flag);
+    }
+
+    /** Helper for setFlags(), setting or clearing the kDistanceFieldTextTEMP_Flag bit
+     @param distanceFieldText true to set the kDistanceFieldTextTEMP_Flag bit in the paint's
+     flags, false to clear it.
+     */
+    void setDistanceFieldTextTEMP(bool distanceFieldText);
+
     enum FilterLevel {
         kNone_FilterLevel,
         kLow_FilterLevel,
@@ -1063,7 +1078,6 @@ private:
 
     uint32_t fDirtyBits;
 
-
     SkDrawCacheProc    getDrawCacheProc() const;
     SkMeasureCacheProc getMeasureCacheProc(TextBufferDirection dir,
                                            bool needFullMetrics) const;