[core] Rationalize naming for style-related code

1 files changed, 68 insertions, 0 deletions

diff --git a/src/mbgl/style/layers/custom_layer_impl.cpp b/src/mbgl/style/layers/custom_layer_impl.cpp
new file mode 100644
index 0000000000..214d4ce663
--- /dev/null
+++ b/src/mbgl/style/layers/custom_layer_impl.cpp
@@ -0,0 +1,68 @@
+#include <mbgl/style/layers/custom_layer_impl.hpp>
+#include <mbgl/renderer/bucket.hpp>
+#include <mbgl/map/transform_state.hpp>
+
+namespace mbgl {
+namespace style {
+
+CustomLayer::Impl::Impl(const std::string& id_,
+                         CustomLayerInitializeFunction initializeFn_,
+                         CustomLayerRenderFunction renderFn_,
+                         CustomLayerDeinitializeFunction deinitializeFn_,
+                         void* context_) {
+    id = id_;
+    initializeFn = initializeFn_;
+    renderFn = renderFn_;
+    deinitializeFn = deinitializeFn_;
+    context = context_;
+}
+
+CustomLayer::Impl::Impl(const CustomLayer::Impl& other)
+    : Layer::Impl(other) {
+    id = other.id;
+    // Don't copy anything else.
+}
+
+CustomLayer::Impl::~Impl() {
+    if (deinitializeFn) {
+        deinitializeFn(context);
+    }
+}
+
+std::unique_ptr<Layer> CustomLayer::Impl::clone() const {
+    return std::make_unique<CustomLayer>(*this);
+}
+
+void CustomLayer::Impl::initialize() {
+    assert(initializeFn);
+    initializeFn(context);
+}
+
+void CustomLayer::Impl::render(const TransformState& state) const {
+    assert(renderFn);
+
+    CustomLayerRenderParameters parameters;
+
+    parameters.width = state.getWidth();
+    parameters.height = state.getHeight();
+    parameters.latitude = state.getLatLng().latitude;
+    parameters.longitude = state.getLatLng().longitude;
+    parameters.zoom = state.getZoom();
+    parameters.bearing = -state.getAngle() * util::RAD2DEG;
+    parameters.pitch = state.getPitch();
+    parameters.altitude = state.getAltitude();
+
+    renderFn(context, parameters);
+}
+
+bool CustomLayer::Impl::recalculate(const CalculationParameters&) {
+    passes = RenderPass::Translucent;
+    return false;
+}
+
+std::unique_ptr<Bucket> CustomLayer::Impl::createBucket(BucketParameters&) const {
+    return nullptr;
+}
+
+} // namespace style
+} // namespace mbgl