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| author | Monroe Linden <monroe@lindenlab.com> | 2010-02-18 13:40:32 -0800 |
|---|---|---|
| committer | Monroe Linden <monroe@lindenlab.com> | 2010-02-18 13:40:32 -0800 |
| commit | 08e3e05c0a1aa99bc6cf300191ea3c7feb97ff9a (patch) | |
| tree | 3d039671b8fab5123beef3fc566842fefce08f8d /indra/llrender/llfontfreetype.cpp | |
| parent | 3e8320201fb89ce01bed18dc1ab7a41811fd3982 (diff) | |
Additional optimizations to text reflow for EXT-5071.
Added versions of LLFontFreeType::getXAdvance() and LLFontFreeType::getXKerning() that take LLFontGlyphInfo* instead of llwchar. This allows code in LLFontGL that already has the LLFontGlyphInfo* to pass them instead, saving calls to LLFontFreetype::getGlyphInfo.
Reviewed by Richard.
Diffstat (limited to 'indra/llrender/llfontfreetype.cpp')
| -rw-r--r-- | indra/llrender/llfontfreetype.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/indra/llrender/llfontfreetype.cpp b/indra/llrender/llfontfreetype.cpp index 22fad792da..a86bbbffff 100644 --- a/indra/llrender/llfontfreetype.cpp +++ b/indra/llrender/llfontfreetype.cpp @@ -270,6 +270,14 @@ F32 LLFontFreetype::getXAdvance(llwchar wch) const return (F32)mFontBitmapCachep->getMaxCharWidth(); } +F32 LLFontFreetype::getXAdvance(const LLFontGlyphInfo* glyph) const +{ + if (mFTFace == NULL) + return 0.0; + + return glyph->mXAdvance; +} + F32 LLFontFreetype::getXKerning(llwchar char_left, llwchar char_right) const { if (mFTFace == NULL) @@ -289,6 +297,21 @@ F32 LLFontFreetype::getXKerning(llwchar char_left, llwchar char_right) const return delta.x*(1.f/64.f); } +F32 LLFontFreetype::getXKerning(const LLFontGlyphInfo* left_glyph_info, const LLFontGlyphInfo* right_glyph_info) const +{ + if (mFTFace == NULL) + return 0.0; + + U32 left_glyph = left_glyph_info ? left_glyph_info->mGlyphIndex : 0; + U32 right_glyph = right_glyph_info ? right_glyph_info->mGlyphIndex : 0; + + FT_Vector delta; + + llverify(!FT_Get_Kerning(mFTFace, left_glyph, right_glyph, ft_kerning_unfitted, &delta)); + + return delta.x*(1.f/64.f); +} + BOOL LLFontFreetype::hasGlyph(llwchar wch) const { llassert(!mIsFallback); |