Support for icon-text-fit, icon-text-fit-padding (#5334)

* Add support for icon-text-fit

* Port unit tests for getIconQuads() from js => cpp

* Add support for padding in all 4 directions.

* Update all hashes post-merge

3 files changed, 20 insertions, 0 deletions

diff --git a/src/mbgl/style/layers/symbol_layer.cpp b/src/mbgl/style/layers/symbol_layer.cpp
index 282873b501..38a898deca 100644
--- a/src/mbgl/style/layers/symbol_layer.cpp
+++ b/src/mbgl/style/layers/symbol_layer.cpp
@@ -106,6 +106,20 @@ PropertyValue<float> SymbolLayer::getIconSize() const {
 void SymbolLayer::setIconSize(PropertyValue<float> value) {
     impl->layout.iconSize.set(value);
 }
+PropertyValue<IconTextFitType> SymbolLayer::getIconTextFit() const {
+    return impl->layout.iconTextFit.get();
+}
+
+void SymbolLayer::setIconTextFit(PropertyValue<IconTextFitType> value) {
+    impl->layout.iconTextFit.set(value);
+}
+PropertyValue<std::array<float, 4>> SymbolLayer::getIconTextFitPadding() const {
+    return impl->layout.iconTextFitPadding.get();
+}
+
+void SymbolLayer::setIconTextFitPadding(PropertyValue<std::array<float, 4>> value) {
+    impl->layout.iconTextFitPadding.set(value);
+}
 PropertyValue<std::string> SymbolLayer::getIconImage() const {
     return impl->layout.iconImage.get();
 }
diff --git a/src/mbgl/style/layers/symbol_layer_properties.cpp b/src/mbgl/style/layers/symbol_layer_properties.cpp
index 5c6f65112d..d77d10700c 100644
--- a/src/mbgl/style/layers/symbol_layer_properties.cpp
+++ b/src/mbgl/style/layers/symbol_layer_properties.cpp
@@ -14,6 +14,8 @@ void SymbolLayoutProperties::parse(const JSValue& value) {
     iconOptional.parse("icon-optional", value);
     iconRotationAlignment.parse("icon-rotation-alignment", value);
     iconSize.parse("icon-size", value);
+    iconTextFit.parse("icon-text-fit", value);
+    iconTextFitPadding.parse("icon-text-fit-padding", value);
     iconImage.parse("icon-image", value);
     iconRotate.parse("icon-rotate", value);
     iconPadding.parse("icon-padding", value);
@@ -49,6 +51,8 @@ void SymbolLayoutProperties::recalculate(const CalculationParameters& parameters
     iconOptional.calculate(parameters);
     iconRotationAlignment.calculate(parameters);
     iconSize.calculate(parameters);
+    iconTextFit.calculate(parameters);
+    iconTextFitPadding.calculate(parameters);
     iconImage.calculate(parameters);
     iconRotate.calculate(parameters);
     iconPadding.calculate(parameters);
diff --git a/src/mbgl/style/layers/symbol_layer_properties.hpp b/src/mbgl/style/layers/symbol_layer_properties.hpp
index 772445f051..1882c03fef 100644
--- a/src/mbgl/style/layers/symbol_layer_properties.hpp
+++ b/src/mbgl/style/layers/symbol_layer_properties.hpp
@@ -25,6 +25,8 @@ public:
     LayoutProperty<bool> iconOptional { false };
     LayoutProperty<AlignmentType> iconRotationAlignment { AlignmentType::Viewport };
     LayoutProperty<float> iconSize { 1 };
+    LayoutProperty<IconTextFitType> iconTextFit { IconTextFitType::None };
+    LayoutProperty<std::array<float, 4>> iconTextFitPadding { {{ 0, 0, 0, 0 }} };
     LayoutProperty<std::string> iconImage { "" };
     LayoutProperty<float> iconRotate { 0 };
     LayoutProperty<float> iconPadding { 2 };