[core] Add static getters for property default values (#6124)

1 files changed, 12 insertions, 0 deletions

diff --git a/src/mbgl/style/layers/background_layer.cpp b/src/mbgl/style/layers/background_layer.cpp
index 42cd76d01f..e5747e07ce 100644
--- a/src/mbgl/style/layers/background_layer.cpp
+++ b/src/mbgl/style/layers/background_layer.cpp
@@ -37,6 +37,10 @@ std::unique_ptr<Layer> BackgroundLayer::Impl::cloneRef(const std::string& id_) c
 
 // Paint properties
 
+PropertyValue<Color> BackgroundLayer::getDefaultBackgroundColor() {
+    return { Color::black() };
+}
+
 PropertyValue<Color> BackgroundLayer::getBackgroundColor() const {
     return impl->paint.backgroundColor.get();
 }
@@ -45,6 +49,10 @@ void BackgroundLayer::setBackgroundColor(PropertyValue<Color> value, const optio
     impl->paint.backgroundColor.set(value, klass);
 }
 
+PropertyValue<std::string> BackgroundLayer::getDefaultBackgroundPattern() {
+    return { "" };
+}
+
 PropertyValue<std::string> BackgroundLayer::getBackgroundPattern() const {
     return impl->paint.backgroundPattern.get();
 }
@@ -53,6 +61,10 @@ void BackgroundLayer::setBackgroundPattern(PropertyValue<std::string> value, con
     impl->paint.backgroundPattern.set(value, klass);
 }
 
+PropertyValue<float> BackgroundLayer::getDefaultBackgroundOpacity() {
+    return { 1 };
+}
+
 PropertyValue<float> BackgroundLayer::getBackgroundOpacity() const {
     return impl->paint.backgroundOpacity.get();
 }