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#include <mbgl/layer/fill_layer.hpp>
#include <mbgl/style/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 {
std::unique_ptr<StyleLayer> FillLayer::clone() const {
return std::make_unique<FillLayer>(*this);
}
void FillLayer::parsePaints(const JSValue& layer) {
paint.fillAntialias.parse("fill-antialias", layer);
paint.fillOpacity.parse("fill-opacity", layer);
paint.fillColor.parse("fill-color", layer);
paint.fillOutlineColor.parse("fill-outline-color", layer);
paint.fillTranslate.parse("fill-translate", layer);
paint.fillTranslateAnchor.parse("fill-translate-anchor", layer);
paint.fillPattern.parse("fill-pattern", layer);
}
void FillLayer::cascade(const StyleCascadeParameters& parameters) {
paint.fillAntialias.cascade(parameters);
paint.fillOpacity.cascade(parameters);
paint.fillColor.cascade(parameters);
paint.fillOutlineColor.cascade(parameters);
paint.fillTranslate.cascade(parameters);
paint.fillTranslateAnchor.cascade(parameters);
paint.fillPattern.cascade(parameters);
}
bool FillLayer::recalculate(const StyleCalculationParameters& parameters) {
bool hasTransitions = false;
hasTransitions |= paint.fillAntialias.calculate(parameters);
hasTransitions |= paint.fillOpacity.calculate(parameters);
hasTransitions |= paint.fillColor.calculate(parameters);
hasTransitions |= paint.fillOutlineColor.calculate(parameters);
hasTransitions |= paint.fillTranslate.calculate(parameters);
hasTransitions |= paint.fillTranslateAnchor.calculate(parameters);
hasTransitions |= paint.fillPattern.calculate(parameters);
passes = RenderPass::None;
if (paint.fillAntialias) {
passes |= RenderPass::Translucent;
}
if (!paint.fillPattern.value.from.empty() || (paint.fillColor.value[3] * paint.fillOpacity) < 1.0f) {
passes |= RenderPass::Translucent;
} else {
passes |= RenderPass::Opaque;
}
return hasTransitions;
}
std::unique_ptr<Bucket> FillLayer::createBucket(StyleBucketParameters& parameters) const {
auto bucket = std::make_unique<FillBucket>();
auto& name = bucketName();
parameters.eachFilteredFeature(filter, [&] (const auto& feature, std::size_t index, const std::string& layerName) {
auto geometries = feature.getGeometries();
bucket->addGeometry(geometries);
parameters.featureIndex.insert(geometries, index, layerName, name);
});
return std::move(bucket);
}
float FillLayer::getQueryRadius() const {
const std::array<float, 2>& translate = paint.fillTranslate;
return util::length(translate[0], translate[1]);
}
bool FillLayer::queryIntersectsGeometry(
const GeometryCollection& queryGeometry,
const GeometryCollection& geometry,
const float bearing,
const float pixelsToTileUnits) const {
auto translatedQueryGeometry = FeatureIndex::translateQueryGeometry(
queryGeometry, paint.fillTranslate, paint.fillTranslateAnchor, bearing, pixelsToTileUnits);
return util::multiPolygonIntersectsMultiPolygon(translatedQueryGeometry.value_or(queryGeometry), geometry);
}
} // namespace mbgl
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