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# HG changeset patch
# User Jonathan Kew <jkew@mozilla.com>
# Date 1452675061 0
#      Wed Jan 13 08:51:01 2016 +0000
# Node ID cf699e95e98829b465b64a7e0281d95ec851ce8c
# Parent  3c9f357598e86c2f593e9895d5725bf3498f8f5a
Bug 1228540 - pt 2 - Remove our HBGetGlyphHOrigin callback, as the default behavior is sufficient.

diff --git a/gfx/thebes/gfxHarfBuzzShaper.cpp b/gfx/thebes/gfxHarfBuzzShaper.cpp
--- a/gfx/thebes/gfxHarfBuzzShaper.cpp
+++ b/gfx/thebes/gfxHarfBuzzShaper.cpp
@@ -349,27 +349,16 @@ gfxHarfBuzzShaper::HBGetGlyphVAdvance(hb
         static_cast<const gfxHarfBuzzShaper::FontCallbackData*>(font_data);
     // Currently, we don't offer gfxFont subclasses a method to override this
     // and provide hinted platform-specific vertical advances (analogous to the
     // GetGlyphWidth method for horizontal advances). If that proves necessary,
     // we'll add a new gfxFont method and call it from here.
     return fcd->mShaper->GetGlyphVAdvance(glyph);
 }
 
-/* static */
-hb_bool_t
-gfxHarfBuzzShaper::HBGetGlyphHOrigin(hb_font_t *font, void *font_data,
-                                     hb_codepoint_t glyph,
-                                     hb_position_t *x, hb_position_t *y,
-                                     void *user_data)
-{
-    // We work in horizontal coordinates, so no origin adjustment needed here.
-    return true;
-}
-
 struct VORG {
     AutoSwap_PRUint16 majorVersion;
     AutoSwap_PRUint16 minorVersion;
     AutoSwap_PRInt16  defaultVertOriginY;
     AutoSwap_PRUint16 numVertOriginYMetrics;
 };
 
 struct VORGrec {
@@ -1262,19 +1251,16 @@ gfxHarfBuzzShaper::Initialize()
         hb_font_funcs_set_glyph_func(sHBFontFuncs, HBGetGlyph,
                                      nullptr, nullptr);
         hb_font_funcs_set_glyph_h_advance_func(sHBFontFuncs,
                                                HBGetGlyphHAdvance,
                                                nullptr, nullptr);
         hb_font_funcs_set_glyph_v_advance_func(sHBFontFuncs,
                                                HBGetGlyphVAdvance,
                                                nullptr, nullptr);
-        hb_font_funcs_set_glyph_h_origin_func(sHBFontFuncs,
-                                              HBGetGlyphHOrigin,
-                                              nullptr, nullptr);
         hb_font_funcs_set_glyph_v_origin_func(sHBFontFuncs,
                                               HBGetGlyphVOrigin,
                                               nullptr, nullptr);
         hb_font_funcs_set_glyph_extents_func(sHBFontFuncs,
                                              HBGetGlyphExtents,
                                              nullptr, nullptr);
         hb_font_funcs_set_glyph_contour_point_func(sHBFontFuncs,
                                                    HBGetContourPoint,
diff --git a/gfx/thebes/gfxHarfBuzzShaper.h b/gfx/thebes/gfxHarfBuzzShaper.h
--- a/gfx/thebes/gfxHarfBuzzShaper.h
+++ b/gfx/thebes/gfxHarfBuzzShaper.h
@@ -56,21 +56,16 @@ public:
                        hb_codepoint_t glyph, void *user_data);
 
     // get harfbuzz vertical advance in 16.16 fixed point format.
     static hb_position_t
     HBGetGlyphVAdvance(hb_font_t *font, void *font_data,
                        hb_codepoint_t glyph, void *user_data);
 
     static hb_bool_t
-    HBGetGlyphHOrigin(hb_font_t *font, void *font_data,
-                      hb_codepoint_t glyph,
-                      hb_position_t *x, hb_position_t *y,
-                      void *user_data);
-    static hb_bool_t
     HBGetGlyphVOrigin(hb_font_t *font, void *font_data,
                       hb_codepoint_t glyph,
                       hb_position_t *x, hb_position_t *y,
                       void *user_data);
 
     hb_position_t GetHKerning(uint16_t aFirstGlyph,
                               uint16_t aSecondGlyph) const;