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#include <mbgl/style/layers/custom_layer_impl.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_)
: Layer::Impl(LayerType::Custom, id_, std::string()) {
initializeFn = initializeFn_;
renderFn = renderFn_;
deinitializeFn = deinitializeFn_;
context = context_;
}
bool CustomLayer::Impl::hasLayoutDifference(const Layer::Impl&) const {
return false;
}
void CustomLayer::Impl::stringifyLayout(rapidjson::Writer<rapidjson::StringBuffer>&) const {
}
void CustomLayer::Impl::initialize() const {
assert(initializeFn);
initializeFn(context);
}
void CustomLayer::Impl::deinitialize() const {
if (deinitializeFn) {
deinitializeFn(context);
}
}
void CustomLayer::Impl::render(const TransformState& state) const {
assert(renderFn);
CustomLayerRenderParameters parameters;
parameters.width = state.getSize().width;
parameters.height = state.getSize().height;
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.fieldOfView = state.getFieldOfView();
renderFn(context, parameters);
}
} // namespace style
} // namespace mbgl
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