Enable use of distance fields via SkPaint flag.

include/core/SkPaint.h

 
 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
@@ skipping 100 matching lines @@
         kStrikeThruText_Flag  = 0x10,   //!< mask to enable strike-thru text
         kFakeBoldText_Flag    = 0x20,   //!< mask to enable fake-bold text
         kLinearText_Flag      = 0x40,   //!< mask to enable linear-text
         kSubpixelText_Flag    = 0x80,   //!< mask to enable subpixel text positioning
         kDevKernText_Flag     = 0x100,  //!< mask to enable device kerning text
         kLCDRenderText_Flag   = 0x200,  //!< mask to enable subpixel glyph renderering
         kEmbeddedBitmapText_Flag = 0x400, //!< mask to enable embedded bitmap strikes
         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.
 
         kAllFlags = 0xFFFF
     };
 
     /** Return the paint's flags. Use the Flag enum to test flag values.
         @return the paint's flags (see enums ending in _Flag for bit masks)
     */
     uint32_t getFlags() const { return fFlags; }
@@ skipping 146 matching lines @@
     bool isDevKernText() const {
         return SkToBool(this->getFlags() & kDevKernText_Flag);
     }
 
     /** Helper for setFlags(), setting or clearing the kKernText_Flag bit
         @param kernText true to set the kKernText_Flag bit in the paint's
                             flags, false to clear it.
     */
     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,
         kMedium_FilterLevel,
         kHigh_FilterLevel
     };
 
     /**
      *  Return the filter level. This affects the quality (and performance) of
      *  drawing scaled images.
@@ skipping 759 matching lines @@
             unsigned        fHinting : 2;
             //unsigned      fFreeBits : 4;
         };
         uint32_t fBitfields;
     };
     uint32_t getBitfields() const { return fBitfields; }
     void setBitfields(uint32_t bitfields);
 
     uint32_t fDirtyBits;
 
-
     SkDrawCacheProc    getDrawCacheProc() const;
     SkMeasureCacheProc getMeasureCacheProc(TextBufferDirection dir,
                                            bool needFullMetrics) const;
 
     SkScalar measure_text(SkGlyphCache*, const char* text, size_t length,
                           int* count, SkRect* bounds) const;
 
     SkGlyphCache* detachCache(const SkDeviceProperties* deviceProperties, const SkMatrix*) const;
 
     void descriptorProc(const SkDeviceProperties* deviceProperties, const SkMatrix* deviceMatrix,
@@ skipping 56 matching lines @@
 #ifdef SK_BUILD_FOR_ANDROID
     SkPaintOptionsAndroid fPaintOptionsAndroid;
 
     // In order for the == operator to work properly this must be the last field
     // in the struct so that we can do a memcmp to this field's offset.
     uint32_t        fGenerationID;
 #endif
 };
 
 #endif