64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
#include <mbgl/layermanager/layer_factory.hpp>
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#include <mbgl/layout/layout.hpp>
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#include <mbgl/renderer/bucket.hpp>
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#include <mbgl/renderer/bucket_parameters.hpp>
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#include <mbgl/style/conversion/constant.hpp>
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#include <mbgl/style/conversion/filter.hpp>
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#include <mbgl/style/conversion_impl.hpp>
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#include <mbgl/style/layer.hpp>
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namespace mbgl {
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optional<std::string> LayerFactory::getSource(const style::conversion::Convertible& value) const noexcept {
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auto sourceValue = objectMember(value, "source");
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if (!sourceValue) {
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return nullopt;
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}
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optional<std::string> source = toString(*sourceValue);
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if (!source) {
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return nullopt;
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}
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return source;
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}
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std::unique_ptr<Bucket> LayerFactory::createBucket(const BucketParameters&, const std::vector<Immutable<style::LayerProperties>>&) noexcept {
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assert(false);
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return nullptr;
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}
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std::unique_ptr<Layout> LayerFactory::createLayout(const LayoutParameters&,
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std::unique_ptr<GeometryTileLayer>,
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const std::vector<Immutable<style::LayerProperties>>&) noexcept {
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assert(false);
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return nullptr;
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}
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bool LayerFactory::initSourceLayerAndFilter(style::Layer* layer, const style::conversion::Convertible& value) const noexcept {
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auto sourceLayerValue = objectMember(value, "source-layer");
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if (sourceLayerValue) {
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optional<std::string> sourceLayer = toString(*sourceLayerValue);
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if (!sourceLayer) {
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return false;
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}
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layer->setSourceLayer(*sourceLayer);
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}
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auto filterValue = objectMember(value, "filter");
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if (filterValue) {
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style::conversion::Error error;
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optional<style::Filter> filter = style::conversion::convert<style::Filter>(*filterValue, error);
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if (!filter) {
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return false;
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}
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layer->setFilter(*filter);
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}
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return true;
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}
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} // namespace mbgl
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