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Diffstat (limited to 'include/mbgl/ios/MGLStyleFunctionValue.h')
-rw-r--r--include/mbgl/ios/MGLStyleFunctionValue.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/mbgl/ios/MGLStyleFunctionValue.h b/include/mbgl/ios/MGLStyleFunctionValue.h
new file mode 100644
index 0000000000..27a867548b
--- /dev/null
+++ b/include/mbgl/ios/MGLStyleFunctionValue.h
@@ -0,0 +1,23 @@
+#import <UIKit/UIKit.h>
+
+@interface MGLStyleFunctionValue : NSObject
+
++ (instancetype)linearFunctionWithBaseZoomLevel:(CGFloat)zBase
+ initialValue:(CGFloat)val
+ slope:(CGFloat)slope
+ minimumValue:(CGFloat)min
+ maximumValue:(CGFloat)max;
+
++ (instancetype)exponentialFunctionWithBaseZoomLevel:(CGFloat)zBase
+ initialValue:(CGFloat)val
+ slope:(CGFloat)slope
+ minimumValue:(CGFloat)min
+ maximumValue:(CGFloat)max;
+
++ (instancetype)minimumZoomLevelFunction:(CGFloat)minimumZoom;
+
++ (instancetype)maximumZoomLevelFunction:(CGFloat)maximumZoom;
+
++ (instancetype)stopsFunctionWithZoomLevelsAndValues:(NSNumber *)firstZoom, ... NS_REQUIRES_NIL_TERMINATION;
+
+@end