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#include <mbgl/layer/circle_layer.hpp>
#include <mbgl/style/style_bucket_parameters.hpp>
#include <mbgl/renderer/circle_bucket.hpp>
#include <mbgl/util/get_geometries.hpp>
namespace mbgl {
std::unique_ptr<StyleLayer> CircleLayer::clone() const {
return std::make_unique<CircleLayer>(*this);
}
void CircleLayer::parsePaints(const JSValue& layer) {
paint.circleRadius.parse("circle-radius", layer);
paint.circleColor.parse("circle-color", layer);
paint.circleOpacity.parse("circle-opacity", layer);
paint.circleTranslate.parse("circle-translate", layer);
paint.circleTranslateAnchor.parse("circle-translate-anchor", layer);
paint.circleBlur.parse("circle-blur", layer);
}
void CircleLayer::cascade(const StyleCascadeParameters& parameters) {
paint.circleRadius.cascade(parameters);
paint.circleColor.cascade(parameters);
paint.circleOpacity.cascade(parameters);
paint.circleTranslate.cascade(parameters);
paint.circleTranslateAnchor.cascade(parameters);
paint.circleBlur.cascade(parameters);
}
bool CircleLayer::recalculate(const StyleCalculationParameters& parameters) {
bool hasTransitions = false;
hasTransitions |= paint.circleRadius.calculate(parameters);
hasTransitions |= paint.circleColor.calculate(parameters);
hasTransitions |= paint.circleOpacity.calculate(parameters);
hasTransitions |= paint.circleTranslate.calculate(parameters);
hasTransitions |= paint.circleTranslateAnchor.calculate(parameters);
hasTransitions |= paint.circleBlur.calculate(parameters);
passes = (paint.circleRadius > 0 && paint.circleColor.value[3] > 0 && paint.circleOpacity > 0)
? RenderPass::Translucent : RenderPass::None;
return hasTransitions;
}
std::unique_ptr<Bucket> CircleLayer::createBucket(StyleBucketParameters& parameters) const {
auto bucket = std::make_unique<CircleBucket>(parameters.mode);
parameters.eachFilteredFeature(filter, [&] (const auto& feature) {
bucket->addGeometry(getGeometries(feature));
});
return std::move(bucket);
}
} // namespace mbgl
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