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author | Mikhail Pozdnyakov <mikhail.pozdnyakov@mapbox.com> | 2018-08-08 15:09:27 +0300 |
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committer | Mikhail Pozdnyakov <mikhail.pozdnyakov@mapbox.com> | 2018-08-23 19:01:40 +0300 |
commit | fb5afd34b9b25e993a4b109385215eba0b83923f (patch) | |
tree | 61474b72e7d099808eb85ea60275e58da11bdd39 /platform/darwin/src/MGLLineStyleLayer.h | |
parent | 52275f835a38897ebf1aeb2158ccfca2272e4770 (diff) | |
download | qtlocation-mapboxgl-fb5afd34b9b25e993a4b109385215eba0b83923f.tar.gz |
[core] Add `line-gradient` property
Porting of https://github.com/mapbox/mapbox-gl-js/pull/6303
See the link above for the description of the feature and
its limitations).
Based on patch from @lbud (Lauren Budorick).
Diffstat (limited to 'platform/darwin/src/MGLLineStyleLayer.h')
-rw-r--r-- | platform/darwin/src/MGLLineStyleLayer.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/platform/darwin/src/MGLLineStyleLayer.h b/platform/darwin/src/MGLLineStyleLayer.h index 1080244bdb..a7ac7f1462 100644 --- a/platform/darwin/src/MGLLineStyleLayer.h +++ b/platform/darwin/src/MGLLineStyleLayer.h @@ -366,6 +366,50 @@ MGL_EXPORT */ @property (nonatomic) MGLTransition lineGapWidthTransition; +#if TARGET_OS_IPHONE +/** + Defines a gradient with which to color a line feature. Can only be used with + GeoJSON sources that specify `"lineMetrics": true`. + + This property is only applied to the style if `lineDasharray` is set to `nil`, + and `linePattern` is set to `nil`, and the data source requirements are met. + Otherwise, it is ignored. + + You can set this property to an expression containing any of the following: + + * Constant `UIColor` values + * Predefined functions, including mathematical and string operators + * Conditional expressions + * Variable assignments and references to assigned variables + * Interpolation and step functions applied to the `$lineProgress` variable + + This property does not support applying interpolation or step functions to + feature attributes. + */ +@property (nonatomic, null_resettable) NSExpression *lineGradient; +#else +/** + Defines a gradient with which to color a line feature. Can only be used with + GeoJSON sources that specify `"lineMetrics": true`. + + This property is only applied to the style if `lineDasharray` is set to `nil`, + and `linePattern` is set to `nil`, and the data source requirements are met. + Otherwise, it is ignored. + + You can set this property to an expression containing any of the following: + + * Constant `NSColor` values + * Predefined functions, including mathematical and string operators + * Conditional expressions + * Variable assignments and references to assigned variables + * Interpolation and step functions applied to the `$lineProgress` variable + + This property does not support applying interpolation or step functions to + feature attributes. + */ +@property (nonatomic, null_resettable) NSExpression *lineGradient; +#endif + /** The line's offset. For linear features, a positive value offsets the line to the right, relative to the direction of the line, and a negative value to the |