start to plumb ttcIndex into fonthost. For now just add to SkFontStream and its callers.
Review URL: https://codereview.chromium.org/12485002
git-svn-id: http://skia.googlecode.com/svn/trunk@7998 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/core/SkFontStream.h b/src/core/SkFontStream.h
index 283aee0..9cd51fc 100644
--- a/src/core/SkFontStream.h
+++ b/src/core/SkFontStream.h
@@ -15,16 +15,29 @@
class SkFontStream {
public:
/**
+ * Return the number of shared 'fonts' inside a TTC sfnt, or return 0
+ * if the stream is a normal sfnt (not a TTC).
+ *
* Note: the stream is rewound initially, but is returned at an arbitrary
* read offset.
*/
- static int GetTableTags(SkStream*, SkFontTableTag tags[]);
+ static int CountTTCEntries(SkStream*);
/**
+ * @param ttcIndex 0 for normal sfnts, or the index within a TTC sfnt.
+ *
* Note: the stream is rewound initially, but is returned at an arbitrary
* read offset.
*/
- static size_t GetTableData(SkStream*, SkFontTableTag tag,
+ static int GetTableTags(SkStream*, int ttcIndex, SkFontTableTag tags[]);
+
+ /**
+ * @param ttcIndex 0 for normal sfnts, or the index within a TTC sfnt.
+ *
+ * Note: the stream is rewound initially, but is returned at an arbitrary
+ * read offset.
+ */
+ static size_t GetTableData(SkStream*, int ttcIndex, SkFontTableTag tag,
size_t offset, size_t length, void* data);
};