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Fix build with CoreText on OS X 10.7 and earlier (#952)

This commit is contained in:
Ryan Schmidt 2018-04-05 17:03:36 -05:00 committed by Ebrahim Byagowi
parent d3984b45b5
commit 58e569e5f7
1 changed files with 28 additions and 2 deletions
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30
src/hb-coretext.cc
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@ -168,6 +168,10 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
if (CFStringHasPrefix (cg_postscript_name, CFSTR (".SFNSText")) ||
CFStringHasPrefix (cg_postscript_name, CFSTR (".SFNSDisplay")))
{
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1080
# define kCTFontUIFontSystem kCTFontSystemFontType
# define kCTFontUIFontEmphasizedSystem kCTFontEmphasizedSystemFontType
#endif
CTFontUIFontType font_type = kCTFontUIFontSystem;
if (CFStringHasSuffix (cg_postscript_name, CFSTR ("-Bold")))
font_type = kCTFontUIFontEmphasizedSystem;
@ -206,7 +210,18 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
return ct_font;
}
CFURLRef original_url = (CFURLRef)CTFontCopyAttribute(ct_font, kCTFontURLAttribute);
CFURLRef original_url = NULL;
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
ATSFontRef atsFont;
FSRef fsref;
OSStatus status;
atsFont = CTFontGetPlatformFont (ct_font, NULL);
status = ATSFontGetFileReference (atsFont, &fsref);
if (status == noErr)
original_url = CFURLCreateFromFSRef (NULL, &fsref);
#else
original_url = (CFURLRef) CTFontCopyAttribute (ct_font, kCTFontURLAttribute);
#endif
/* Create font copy with cascade list that has LastResort first; this speeds up CoreText
* font fallback which we don't need anyway. */
@ -225,7 +240,15 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
* system locations that we cannot access from the sandboxed renderer
* process in Blink. This can be detected by the new file URL location
* that the newly found font points to. */
CFURLRef new_url = (CFURLRef) CTFontCopyAttribute (new_ct_font, kCTFontURLAttribute);
CFURLRef new_url = NULL;
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
atsFont = CTFontGetPlatformFont (new_ct_font, NULL);
status = ATSFontGetFileReference (atsFont, &fsref);
if (status == noErr)
new_url = CFURLCreateFromFSRef (NULL, &fsref);
#else
new_url = (CFURLRef) CTFontCopyAttribute (new_ct_font, kCTFontURLAttribute);
#endif
// Keep reconfigured font if URL cannot be retrieved (seems to be the case
// on Mac OS 10.12 Sierra), speculative fix for crbug.com/625606
if (!original_url || !new_url || CFEqual (original_url, new_url)) {
@ -944,6 +967,9 @@ resize_and_retry:
int level = HB_DIRECTION_IS_FORWARD (buffer->props.direction) ? 0 : 1;
CFNumberRef level_number = CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &level);
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
extern const CFStringRef kCTTypesetterOptionForcedEmbeddingLevel;
#endif
CFDictionaryRef options = CFDictionaryCreate (kCFAllocatorDefault,
(const void **) &kCTTypesetterOptionForcedEmbeddingLevel,
(const void **) &level_number,