add SkCreateTypefaceFromCTFont() to create a typeface directly from a CTFontRef

Compute the actual style from the returned CTFontRef, rather than assuming the
request will always be met.



git-svn-id: http://skia.googlecode.com/svn/trunk@979 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 32 insertions, 0 deletions

diff --git a/include/ports/SkTypeface_mac.h b/include/ports/SkTypeface_mac.h
new file mode 100644
index 0000000000..61b226bbc2
--- /dev/null
+++ b/include/ports/SkTypeface_mac.h
@@ -0,0 +1,32 @@
+/*
+    Copyright 2011 Google Inc.
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+ */
+
+
+#ifndef SkTypeface_mac_DEFINED
+#define SkTypeface_mac_DEFINED
+
+#include "SkTypeface.h"
+#include <Carbon/Carbon.h>
+
+/**
+ *  Like the other Typeface create methods, this returns a new reference to the
+ *  corresponding typeface for the specified CTFontRef. The caller must call
+ *  unref() when it is finished.
+ */
+SK_API extern SkTypeface* SkCreateTypefaceFromCTFont(CTFontRef);
+
+#endif
+