[core, ios, macos, android, node] Heatmap layer (#11046)

Co-Authored-By: Konstantin Käfer <mail@kkaefer.com>
Co-Authored-By: Anand Thakker <anandthakker@users.noreply.github.com>
Co-Authored-By: Minh Nguyễn <1ec5@users.noreply.github.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/src/mbgl/style/layers/heatmap_layer_impl.hpp b/src/mbgl/style/layers/heatmap_layer_impl.hpp
new file mode 100644
index 0000000000..cc27c3076a
--- /dev/null
+++ b/src/mbgl/style/layers/heatmap_layer_impl.hpp
@@ -0,0 +1,21 @@
+#pragma once
+
+#include <mbgl/style/layer_impl.hpp>
+#include <mbgl/style/layers/heatmap_layer.hpp>
+#include <mbgl/style/layers/heatmap_layer_properties.hpp>
+
+namespace mbgl {
+namespace style {
+
+class HeatmapLayer::Impl : public Layer::Impl {
+public:
+    using Layer::Impl::Impl;
+
+    bool hasLayoutDifference(const Layer::Impl&) const override;
+    void stringifyLayout(rapidjson::Writer<rapidjson::StringBuffer>&) const override;
+
+    HeatmapPaintProperties::Transitionable paint;
+};
+
+} // namespace style
+} // namespace mbgl