SkTypeface to use SkStreamAsset.

src/ports/SkFontHost_linux.cpp

 /*
  * 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.
  */
 
 #include "SkFontHost.h"
 #include "SkFontHost_FreeType_common.h"
 #include "SkFontDescriptor.h"
@@ skipping 55 matching lines @@
 /** The empty SkTypeface implementation for the custom font manager.
  *  Used as the last resort fallback typeface.
  */
 class SkTypeface_Empty : public SkTypeface_Custom {
 public:
     SkTypeface_Empty() : INHERITED(SkFontStyle(), false, true, SkString(), 0) {}
 
     const char* getUniqueString() const SK_OVERRIDE { return NULL; }
 
 protected:
-    SkStream* onOpenStream(int*) const SK_OVERRIDE { return NULL; }
+    SkStreamAsset* onOpenStream(int*) const SK_OVERRIDE { return NULL; }
 
 private:
     typedef SkTypeface_Custom INHERITED;
 };
 
 /** The stream SkTypeface implementation for the custom font manager. */
 class SkTypeface_Stream : public SkTypeface_Custom {
 public:
     SkTypeface_Stream(const SkFontStyle& style, bool isFixedPitch, bool sysFont,
-                      const SkString familyName, SkStream* stream, int index)
+                      const SkString familyName, SkStreamAsset* stream, int index)
         : INHERITED(style, isFixedPitch, sysFont, familyName, index)
         , fStream(stream)
     { }
 
     const char* getUniqueString() const SK_OVERRIDE { return NULL; }
 
 protected:
-    SkStream* onOpenStream(int* ttcIndex) const SK_OVERRIDE {
+    SkStreamAsset* onOpenStream(int* ttcIndex) const SK_OVERRIDE {
         *ttcIndex = this->getIndex();
         return fStream->duplicate();
     }
 
 private:
-    const SkAutoTDelete<const SkStream> fStream;
+    const SkAutoTDelete<const SkStreamAsset> fStream;
 
     typedef SkTypeface_Custom INHERITED;
 };
 
 // This configuration option is useful if we need to open and hold handles to
 // all found system font data (e.g., for skfiddle, where the application can't
 // access the filesystem to read fonts on demand)
 
 SK_CONF_DECLARE(bool, c_CustomTypefaceRetain, "fonts.customFont.retainAllData", false,
                 "Retain the open stream for each found font on the system.");
@@ skipping 10 matching lines @@
 
     const char* getUniqueString() const SK_OVERRIDE {
         const char* str = strrchr(fPath.c_str(), '/');
         if (str) {
             str += 1;   // skip the '/'
         }
         return str;
     }
 
 protected:
-    SkStream* onOpenStream(int* ttcIndex) const SK_OVERRIDE {
+    SkStreamAsset* onOpenStream(int* ttcIndex) const SK_OVERRIDE {
         *ttcIndex = this->getIndex();
         if (fStream.get()) {
             return fStream->duplicate();
         } else {
             return SkStream::NewFromFile(fPath.c_str());
         }
     }
 
 private:
     SkString fPath;
@@ skipping 137 matching lines @@
                 }
             }
         }
         return NULL;
     }
 
     SkTypeface* onCreateFromData(SkData* data, int ttcIndex) const SK_OVERRIDE {
         return this->createFromStream(new SkMemoryStream(data), ttcIndex);
     }
 
-    SkTypeface* onCreateFromStream(SkStream* stream, int ttcIndex) const SK_OVERRIDE {
-        SkAutoTDelete<SkStream> streamDeleter(stream);
+    SkTypeface* onCreateFromStream(SkStreamAsset* bareStream, int ttcIndex) const SK_OVERRIDE {
+        SkAutoTDelete<SkStreamAsset> stream(bareStream);
         if (NULL == stream || stream->getLength() <= 0) {
             return NULL;
         }
 
         bool isFixedPitch;
         SkFontStyle style;
         SkString name;
         if (fScanner.scanFont(stream, ttcIndex, &name, &style, &isFixedPitch)) {
             return SkNEW_ARGS(SkTypeface_Stream, (style, isFixedPitch, false, name,
-                                                  streamDeleter.detach(), ttcIndex));
+                                                  stream.detach(), ttcIndex));
         } else {
             return NULL;
         }
     }
 
     SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const SK_OVERRIDE {
-        SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(path));
+        SkAutoTDelete<SkStreamAsset> stream(SkStream::NewFromFile(path));
         return stream.get() ? this->createFromStream(stream.detach(), ttcIndex) : NULL;
     }
 
     virtual SkTypeface* onLegacyCreateTypeface(const char familyName[],
                                                unsigned styleBits) const SK_OVERRIDE
     {
         SkTypeface::Style oldStyle = (SkTypeface::Style)styleBits;
         SkFontStyle style = SkFontStyle(oldStyle & SkTypeface::kBold
                                                  ? SkFontStyle::kBold_Weight
                                                  : SkFontStyle::kNormal_Weight,
@@ skipping 112 matching lines @@
 
     SkTArray<SkAutoTUnref<SkFontStyleSet_Custom>, true> fFamilies;
     SkFontStyleSet_Custom* gDefaultFamily;
     SkTypeface* gDefaultNormal;
     SkTypeface_FreeType::Scanner fScanner;
 };
 
 SkFontMgr* SkFontMgr::Factory() {
     return new SkFontMgr_Custom(SK_FONT_FILE_PREFIX);
 }