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| author | Andrew Weintraub <asweintraub@google.com> | 2018-01-04 16:23:07 -0500 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2018-01-08 15:17:51 +0000 |
| commit | de8be21859ce52b5f9b4d9e33687c42c9ea79fb1 (patch) | |
| tree | 8b676099a7e14aadf462a2c2ede92627acd4b85a /core/fxge/cfx_fontmgr.cpp | |
| parent | dc36f99188feec82454f62d5f489f358dc5fd9c1 (diff) | |
| download | pdfium-de8be21859ce52b5f9b4d9e33687c42c9ea79fb1.tar.xz | |
Always enable hinting with versions of Freetype >= 2.8.1, which include subpixel rendering unencumbered by patents.
Bug:
Change-Id: Idaff1bf21a1d17b6ea40b9fecec04c5f2d0c9392
Reviewed-on: https://pdfium-review.googlesource.com/22012
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'core/fxge/cfx_fontmgr.cpp')
| -rw-r--r-- | core/fxge/cfx_fontmgr.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/core/fxge/cfx_fontmgr.cpp b/core/fxge/cfx_fontmgr.cpp index d9b03549e0..0d4524c954 100644 --- a/core/fxge/cfx_fontmgr.cpp +++ b/core/fxge/cfx_fontmgr.cpp @@ -98,9 +98,17 @@ void CFX_FontMgr::InitFTLibrary() { if (m_FTLibrary) return; FXFT_Init_FreeType(&m_FTLibrary); + FT_Int major; + FT_Int minor; + FT_Int patch; + FXFT_Library_Version(m_FTLibrary, &major, &minor, &patch); + // Freetype versions >= 2.8.1 support hinting even if subpixel rendering is + // disabled. https://sourceforge.net/projects/freetype/files/freetype2/2.8.1/ m_FTLibrarySupportsHinting = + major > 2 || (major >= 2 && minor > 8) || + (major >= 2 && minor >= 8 && patch >= 1) || FXFT_Library_SetLcdFilter(m_FTLibrary, FT_LCD_FILTER_DEFAULT) != - FT_Err_Unimplemented_Feature; + FT_Err_Unimplemented_Feature; } void CFX_FontMgr::SetSystemFontInfo( |