From 947ebe27b2874ddd6661cbb7b19e30385ab8da85 Mon Sep 17 00:00:00 2001
From: Edwin Flores <eflores@mozilla.com>
Date: Thu, 6 Sep 2012 16:58:47 +1200
Subject: [PATCH] Bug 719286 - Implement GetFontTable for downloaded fonts in
 linux r=karl

---
 gfx/thebes/gfxPangoFonts.cpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/gfx/thebes/gfxPangoFonts.cpp b/gfx/thebes/gfxPangoFonts.cpp
index 2b023ed3a0c..ec7a8c14f28 100644
--- a/gfx/thebes/gfxPangoFonts.cpp
+++ b/gfx/thebes/gfxPangoFonts.cpp
@@ -44,6 +44,8 @@
 #include <pango/pango-modules.h>
 #include <pango/pangofc-fontmap.h>
 
+#include FT_TRUETYPE_TABLES_H
+
 #ifdef MOZ_WIDGET_GTK
 #include <gdk/gdk.h>
 #endif
@@ -533,6 +535,9 @@ public:
     // lifetime of the FontEntry.
     PangoCoverage *GetPangoCoverage();
 
+    virtual nsresult
+    GetFontTable(uint32_t aTableTag, FallibleTArray<uint8_t>& aBuffer) MOZ_OVERRIDE;
+
 protected:
     void InitPattern();
 
@@ -748,6 +753,29 @@ gfxDownloadedFcFontEntry::GetPangoCoverage()
     return mPangoCoverage;
 }
 
+nsresult
+gfxDownloadedFcFontEntry::GetFontTable(uint32_t aTableTag,
+                                       FallibleTArray<uint8_t>& aBuffer)
+{
+    FT_ULong length = 0;
+    FT_Error error = FT_Load_Sfnt_Table(mFace, aTableTag, 0, nullptr, &length);
+    if (error) {
+        return NS_ERROR_NOT_AVAILABLE;
+    }
+
+    if (!aBuffer.SetLength(length)) {
+        return NS_ERROR_OUT_OF_MEMORY;
+    }
+
+    error = FT_Load_Sfnt_Table(mFace, aTableTag, 0, aBuffer.Elements(), &length);
+    if (error) {
+        aBuffer.Clear();
+        return NS_ERROR_FAILURE;
+    }
+
+    return NS_OK;
+}
+
 /*
  * gfxFcFont
  *