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#include <mbgl/style/layers/fill_layer_impl.hpp>
#include <mbgl/style/bucket_parameters.hpp>
#include <mbgl/renderer/fill_bucket.hpp>
#include <mbgl/geometry/feature_index.hpp>
#include <mbgl/util/math.hpp>
#include <mbgl/util/intersection_tests.hpp>
namespace mbgl {
namespace style {
void FillLayer::Impl::cascade(const CascadeParameters& parameters) {
paint.cascade(parameters);
}
bool FillLayer::Impl::evaluate(const PropertyEvaluationParameters& parameters) {
paint.evaluate(parameters);
passes = RenderPass::None;
if (paint.evaluated.get<FillAntialias>()) {
passes |= RenderPass::Translucent;
}
if (!paint.evaluated.get<FillPattern>().from.empty() || (paint.evaluated.get<FillColor>().a * paint.evaluated.get<FillOpacity>()) < 1.0f) {
passes |= RenderPass::Translucent;
} else {
passes |= RenderPass::Opaque;
}
return paint.hasTransition();
}
std::unique_ptr<Bucket> FillLayer::Impl::createBucket(BucketParameters& parameters, const GeometryTileLayer& layer) const {
auto bucket = std::make_unique<FillBucket>();
parameters.eachFilteredFeature(filter, layer, [&] (const auto& feature, std::size_t index, const std::string& layerName) {
auto geometries = feature.getGeometries();
bucket->addGeometry(geometries);
parameters.featureIndex.insert(geometries, index, layerName, id);
});
return std::move(bucket);
}
float FillLayer::Impl::getQueryRadius() const {
const std::array<float, 2>& translate = paint.evaluated.get<FillTranslate>();
return util::length(translate[0], translate[1]);
}
bool FillLayer::Impl::queryIntersectsGeometry(
const GeometryCoordinates& queryGeometry,
const GeometryCollection& geometry,
const float bearing,
const float pixelsToTileUnits) const {
auto translatedQueryGeometry = FeatureIndex::translateQueryGeometry(
queryGeometry, paint.evaluated.get<FillTranslate>(), paint.evaluated.get<FillTranslateAnchor>(), bearing, pixelsToTileUnits);
return util::polygonIntersectsMultiPolygon(translatedQueryGeometry.value_or(queryGeometry), geometry);
}
} // namespace style
} // namespace mbgl
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