Fix color emoji.

src/gpu/GrFontScaler.cpp

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrTemplates.h"
@@ skipping 67 matching lines @@
     }
 }
 
 const GrFontDescKey* GrFontScaler::getKey() {
     if (NULL == fKey) {
         fKey = SkNEW_ARGS(GrFontDescKey, (fStrike->getDescriptor()));
     }
     return fKey;
 }
 
+GrMaskFormat GrFontScaler::getPackedGlyphMaskFormat(GrGlyph::PackedID packed) {
+    const SkGlyph& glyph = fStrike->getGlyphIDMetrics(GrGlyph::UnpackID(packed),
+                                                      GrGlyph::UnpackFixedX(packed),
+                                                      GrGlyph::UnpackFixedY(packed));
+    SkMask::Format format = static_cast<SkMask::Format>(glyph.fMaskFormat);
+    switch (format) {
+        case SkMask::kBW_Format:
+            // fall through to kA8 -- we store BW glyphs in our 8-bit cache
+        case SkMask::kA8_Format:
+            return kA8_GrMaskFormat;
+        case SkMask::kLCD16_Format:
+            return kA565_GrMaskFormat;
+        case SkMask::kLCD32_Format:
+            return kA888_GrMaskFormat;
+        case SkMask::kARGB32_Format:
+            return kARGB_GrMaskFormat;
+        default:
+            SkDEBUGFAIL("unsupported SkMask::Format");
+            return kA8_GrMaskFormat;
+    }
+}
+
 bool GrFontScaler::getPackedGlyphBounds(GrGlyph::PackedID packed, SkIRect* bounds) {
     const SkGlyph& glyph = fStrike->getGlyphIDMetrics(GrGlyph::UnpackID(packed),
                                                       GrGlyph::UnpackFixedX(packed),
                                                       GrGlyph::UnpackFixedY(packed));
     bounds->setXYWH(glyph.fLeft, glyph.fTop, glyph.fWidth, glyph.fHeight);
 
     return true;
 }
 
 bool GrFontScaler::getPackedGlyphDFBounds(GrGlyph::PackedID packed, SkIRect* bounds) {
@@ skipping 106 matching lines @@
 bool GrFontScaler::getGlyphPath(uint16_t glyphID, SkPath* path) {
 
     const SkGlyph& glyph = fStrike->getGlyphIDMetrics(glyphID);
     const SkPath* skPath = fStrike->findPath(glyph);
     if (skPath) {
         *path = *skPath;
         return true;
     }
     return false;
 }