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Fix missing font constants on iOS7

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Reviewed By: dinhviethoa

Differential Revision: D3682528

fbshipit-source-id: 7e3a0b7c2c043a869f2f5dfe9aaf404897076d0b
This commit is contained in:
Pieter De Baets 2016-08-07 11:47:33 -07:00 committed by Facebook Github Bot 4
parent 20c6d11f84
commit 6b9406ed5a
1 changed files with 19 additions and 0 deletions
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19
React/Views/RCTFont.mm
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@ -11,6 +11,25 @@
#import <mutex>
#if !defined(__IPHONE_8_2) || __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_8_2
// These constants are defined in iPhone SDK 8.2, but the app cannot run on
// iOS < 8.2 unless we redefine them here. If you target iOS 8.2 or above
// as a base target, the standard constants will be used instead.
// These constants can only be removed when React Native drops iOS8 support.
#define UIFontWeightUltraLight -0.8
#define UIFontWeightThin -0.6
#define UIFontWeightLight -0.4
#define UIFontWeightRegular 0
#define UIFontWeightMedium 0.23
#define UIFontWeightSemibold 0.3
#define UIFontWeightBold 0.4
#define UIFontWeightHeavy 0.56
#define UIFontWeightBlack 0.62
#endif
typedef CGFloat RCTFontWeight;
static RCTFontWeight weightOfFont(UIFont *font)
{