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#include <mbgl/layer/custom_layer.hpp>
#include <mbgl/renderer/bucket.hpp>
#include <mbgl/map/transform_state.hpp>
namespace mbgl {
CustomLayer::CustomLayer(const std::string& id_,
CustomLayerInitializeFunction initializeFn_,
CustomLayerRenderFunction renderFn_,
CustomLayerDeinitializeFunction deinitializeFn_,
void * context_) {
id = id_;
initializeFn = initializeFn_;
renderFn = renderFn_;
deinitializeFn = deinitializeFn_;
context = context_;
}
CustomLayer::CustomLayer(const CustomLayer& other)
: StyleLayer(other) {
id = other.id;
// Don't copy anything else.
}
CustomLayer::~CustomLayer() {
if (deinitializeFn) {
deinitializeFn(context);
}
}
void CustomLayer::initialize() {
assert(initializeFn);
initializeFn(context);
}
void CustomLayer::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() / M_PI * 180;
parameters.pitch = state.getPitch();
parameters.altitude = state.getAltitude();
renderFn(context, parameters);
}
bool CustomLayer::recalculate(const StyleCalculationParameters&) {
passes = RenderPass::Translucent;
return false;
}
std::unique_ptr<StyleLayer> CustomLayer::clone() const {
return std::make_unique<CustomLayer>(*this);
}
std::unique_ptr<Bucket> CustomLayer::createBucket(StyleBucketParameters&) const {
return nullptr;
}
} // namespace mbgl
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