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#include <mbgl/renderer/render_fill_layer.hpp>
#include <mbgl/renderer/fill_bucket.hpp>
#include <mbgl/style/layers/fill_layer_impl.hpp>
#include <mbgl/geometry/feature_index.hpp>
#include <mbgl/util/math.hpp>
#include <mbgl/util/intersection_tests.hpp>
namespace mbgl {
RenderFillLayer::RenderFillLayer(const style::FillLayer::Impl& _impl)
: RenderLayer(style::LayerType::Fill, _impl),
impl(&_impl) {
}
std::unique_ptr<RenderLayer> RenderFillLayer::clone() const {
return std::make_unique<RenderFillLayer>(*this);
}
std::unique_ptr<Bucket> RenderFillLayer::createBucket(const BucketParameters& parameters, const std::vector<const RenderLayer*>& layers) const {
return std::make_unique<FillBucket>(parameters, layers);
}
void RenderFillLayer::cascade(const CascadeParameters& parameters) {
unevaluated = impl->cascading.cascade(parameters, std::move(unevaluated));
}
void RenderFillLayer::evaluate(const PropertyEvaluationParameters& parameters) {
evaluated = unevaluated.evaluate(parameters);
if (unevaluated.get<style::FillOutlineColor>().isUndefined()) {
evaluated.get<style::FillOutlineColor>() = evaluated.get<style::FillColor>();
}
passes = RenderPass::None;
if (evaluated.get<style::FillAntialias>()) {
passes |= RenderPass::Translucent;
}
if (!unevaluated.get<style::FillPattern>().isUndefined()
|| evaluated.get<style::FillColor>().constantOr(Color()).a < 1.0f
|| evaluated.get<style::FillOpacity>().constantOr(0) < 1.0f) {
passes |= RenderPass::Translucent;
} else {
passes |= RenderPass::Opaque;
}
}
bool RenderFillLayer::hasTransition() const {
return unevaluated.hasTransition();
}
bool RenderFillLayer::queryIntersectsFeature(
const GeometryCoordinates& queryGeometry,
const GeometryTileFeature& feature,
const float,
const float bearing,
const float pixelsToTileUnits) const {
auto translatedQueryGeometry = FeatureIndex::translateQueryGeometry(
queryGeometry,
evaluated.get<style::FillTranslate>(),
evaluated.get<style::FillTranslateAnchor>(),
bearing,
pixelsToTileUnits);
return util::polygonIntersectsMultiPolygon(translatedQueryGeometry.value_or(queryGeometry), feature.getGeometries());
}
} // namespace mbgl
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