diff options
Diffstat (limited to 'content/common/font_loader_mac.mm')
| -rw-r--r-- | content/common/font_loader_mac.mm | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/content/common/font_loader_mac.mm b/content/common/font_loader_mac.mm index b2ff8f4..867e1d3 100644 --- a/content/common/font_loader_mac.mm +++ b/content/common/font_loader_mac.mm @@ -10,7 +10,9 @@ #include "base/file_path.h" #include "base/file_util.h" #include "base/logging.h" +#include "base/mac/foundation_util.h" #include "base/mac/mac_util.h" +#include "base/mac/scoped_cftyperef.h" #include "base/sys_string_conversions.h" extern "C" { @@ -135,6 +137,36 @@ bool FontLoader::LoadFontIntoBuffer(NSFont* font_to_encode, } // static +bool FontLoader::CGFontRefFromBuffer(base::SharedMemoryHandle font_data, + uint32 font_data_size, + CGFontRef* out) { + *out = NULL; + + using base::SharedMemory; + DCHECK(SharedMemory::IsHandleValid(font_data)); + DCHECK_GT(font_data_size, 0U); + + SharedMemory shm(font_data, /*read_only=*/true); + if (!shm.Map(font_data_size)) + return false; + + NSData* data = [NSData dataWithBytes:shm.memory() + length:font_data_size]; + base::mac::ScopedCFTypeRef<CGDataProviderRef> provider( + CGDataProviderCreateWithCFData(base::mac::NSToCFCast(data))); + if (!provider) + return false; + + *out = CGFontCreateWithDataProvider(provider.get()); + + if (*out == NULL) + return false; + + return true; +} + +// TODO(jeremy): Remove once http://webk.it/66935 lands. +// static bool FontLoader::ATSFontContainerFromBuffer(base::SharedMemoryHandle font_data, uint32 font_data_size, ATSFontContainerRef* font_container) |