diff options
| author | Julian Rex <julian.rex@gmail.com> | 2018-09-26 12:19:26 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-09-26 12:19:26 -0400 |
| commit | a9959773128f57e05f278d4d67ea167b8b6f73f5 (patch) | |
| tree | 145b749e37b3af6d9f94697124704f6b279960b9 /platform/darwin/src | |
| parent | e6111a888e780789830daeae6634b90624fdb1e5 (diff) | |
| download | qtlocation-mapboxgl-a9959773128f57e05f278d4d67ea167b8b6f73f5.tar.gz | |
[ios] Fix for user location annotation jittering (and view annotations lagging) (#12895)
Diffstat (limited to 'platform/darwin/src')
| -rw-r--r-- | platform/darwin/src/MGLFoundation.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/platform/darwin/src/MGLFoundation.h b/platform/darwin/src/MGLFoundation.h index 3400c63979..be86bb92f9 100644 --- a/platform/darwin/src/MGLFoundation.h +++ b/platform/darwin/src/MGLFoundation.h @@ -3,3 +3,10 @@ #import <Foundation/Foundation.h> #define MGL_EXPORT __attribute__((visibility ("default"))) + +/* Using a compound statement (GNU Extension, supported by clang) */ +#define MGL_OBJC_DYNAMIC_CAST(object, type) \ + ({ \ + __typeof__( object ) temp##__LINE__ = (object); \ + (type *)([temp##__LINE__ isKindOfClass:[type class]] ? temp##__LINE__ : nil); \ + }) |