fix ref() in CreateTypeface

fix comment in SkDraw.cpp



git-svn-id: http://skia.googlecode.com/svn/trunk@111 2bbb7eff-a529-9590-31e7-b0007b416f81

src/core/SkDraw.cpp

@@ -934,7 +934,7 @@ void SkDraw::drawBitmapAsMask(const SkBitmap& bitmap,
             c.concat(*fMatrix);
 
             // We can't call drawBitmap, or we'll infinitely recurse. Instead
-            // we mannually build a shader and draw that into our new mask
+            // we manually build a shader and draw that into our new mask
             SkPaint tmpPaint;
             tmpPaint.setFlags(paint.getFlags());
             SkAutoBitmapShaderInstall   install(bitmap, &tmpPaint);

src/ports/SkFontHost_android.cpp

@@ -564,6 +564,8 @@ SkTypeface* SkFontHost::CreateTypeface(const SkTypeface* familyFace,
         tf = find_best_face(gDefaultFamily, style);
     }
 
+    // we ref(), since the symantic is to return a new instance
+    tf->ref();
     return tf;
 }
 
@@ -576,6 +578,8 @@ bool SkFontHost::ValidFontID(uint32_t fontID)
 
 SkStream* SkFontHost::OpenStream(uint32_t fontID)
 {
+    SkAutoMutexAcquire  ac(gFamilyMutex);
+    
     FamilyTypeface* tf = (FamilyTypeface*)find_from_uniqueID(fontID);
     SkStream* stream = tf ? tf->openStream() : NULL;