1 files changed, 39 insertions, 0 deletions
diff --git a/src/mbgl/layer/symbol_layer.cpp b/src/mbgl/layer/symbol_layer.cpp
new file mode 100644
index 0000000000..bdfa577ce7
--- /dev/null
+++ b/src/mbgl/layer/symbol_layer.cpp
@@ -0,0 +1,39 @@
+#include <mbgl/layer/symbol_layer.hpp>
+#include <mbgl/style/style_bucket.hpp>
+#include <mbgl/style/property_evaluator.hpp>
+
+namespace mbgl {
+
+RenderPass SymbolLayer::applyStyleProperties(const float z, const TimePoint& now, const ZoomHistory& zoomHistory) {
+    applyTransitionedStyleProperty(PropertyKey::IconOpacity, properties.icon.opacity, z, now, zoomHistory);
+    applyTransitionedStyleProperty(PropertyKey::IconColor, properties.icon.color, z, now, zoomHistory);
+    applyTransitionedStyleProperty(PropertyKey::IconHaloColor, properties.icon.halo_color, z, now, zoomHistory);
+    applyTransitionedStyleProperty(PropertyKey::IconHaloWidth, properties.icon.halo_width, z, now, zoomHistory);
+    applyTransitionedStyleProperty(PropertyKey::IconHaloBlur, properties.icon.halo_blur, z, now, zoomHistory);
+    applyTransitionedStyleProperty(PropertyKey::IconTranslate, properties.icon.translate, z, now, zoomHistory);
+    applyStyleProperty(PropertyKey::IconTranslateAnchor, properties.icon.translate_anchor, z, now, zoomHistory);
+
+    applyTransitionedStyleProperty(PropertyKey::TextOpacity, properties.text.opacity, z, now, zoomHistory);
+    applyTransitionedStyleProperty(PropertyKey::TextColor, properties.text.color, z, now, zoomHistory);
+    applyTransitionedStyleProperty(PropertyKey::TextHaloColor, properties.text.halo_color, z, now, zoomHistory);
+    applyTransitionedStyleProperty(PropertyKey::TextHaloWidth, properties.text.halo_width, z, now, zoomHistory);
+    applyTransitionedStyleProperty(PropertyKey::TextHaloBlur, properties.text.halo_blur, z, now, zoomHistory);
+    applyTransitionedStyleProperty(PropertyKey::TextTranslate, properties.text.translate, z, now, zoomHistory);
+    applyStyleProperty(PropertyKey::TextTranslateAnchor, properties.text.translate_anchor, z, now, zoomHistory);
+
+    // text-size and icon-size are layout properties but they also need to be evaluated as paint properties:
+    auto it = bucket->layout.properties.find(PropertyKey::IconSize);
+    if (it != bucket->layout.properties.end()) {
+        const PropertyEvaluator<float> evaluator(z, zoomHistory);
+        properties.icon.size = mapbox::util::apply_visitor(evaluator, it->second);
+    }
+    it = bucket->layout.properties.find(PropertyKey::TextSize);
+    if (it != bucket->layout.properties.end()) {
+        const PropertyEvaluator<float> evaluator(z, zoomHistory);
+        properties.text.size = mapbox::util::apply_visitor(evaluator, it->second);
+    }
+
+    return properties.isVisible() ? RenderPass::Translucent : RenderPass::None;
+}
+
+}