MapLibreParticleLab/src/mbgl/style/layers/layer.cpp.ejs

<%
  const type = locals.type;
  const layoutProperties = locals.layoutProperties;
  const paintProperties = locals.paintProperties;
-%>
// This file is generated. Edit scripts/generate-style-code.js, then run `make style-code`.

#include <mbgl/style/layers/<%- type.replace('-', '_') %>_layer.hpp>
#include <mbgl/style/layers/<%- type.replace('-', '_') %>_layer_impl.hpp>
#include <mbgl/style/layer_observer.hpp>
<% if (type === 'heatmap') { -%>
// for constructing default heatmap-color ramp expression from style JSON
#include <mbgl/style/conversion.hpp>
#include <mbgl/style/conversion/json.hpp>
#include <mbgl/style/conversion/heatmap_color_property_value.hpp>
<% } -%>

namespace mbgl {
namespace style {

<% if (type === 'background') { -%>
<%- camelize(type) %>Layer::<%- camelize(type) %>Layer(const std::string& layerID)
    : Layer(makeMutable<Impl>(LayerType::<%- camelize(type) %>, layerID, std::string())) {
}
<% } else { -%>
<%- camelize(type) %>Layer::<%- camelize(type) %>Layer(const std::string& layerID, const std::string& sourceID)
    : Layer(makeMutable<Impl>(LayerType::<%- camelize(type) %>, layerID, sourceID)) {
}
<% } -%>

<%- camelize(type) %>Layer::<%- camelize(type) %>Layer(Immutable<Impl> impl_)
    : Layer(std::move(impl_)) {
}

<%- camelize(type) %>Layer::~<%- camelize(type) %>Layer() = default;

const <%- camelize(type) %>Layer::Impl& <%- camelize(type) %>Layer::impl() const {
    return static_cast<const Impl&>(*baseImpl);
}

Mutable<<%- camelize(type) %>Layer::Impl> <%- camelize(type) %>Layer::mutableImpl() const {
    return makeMutable<Impl>(impl());
}

std::unique_ptr<Layer> <%- camelize(type) %>Layer::cloneRef(const std::string& id_) const {
    auto impl_ = mutableImpl();
    impl_->id = id_;
    impl_->paint = <%- camelize(type) %>PaintProperties::Transitionable();
    return std::make_unique<<%- camelize(type) %>Layer>(std::move(impl_));
}

<% if (layoutProperties.length) { -%>
void <%- camelize(type) %>Layer::Impl::stringifyLayout(rapidjson::Writer<rapidjson::StringBuffer>& writer) const {
    layout.stringify(writer);
}
<% } else { -%>
void <%- camelize(type) %>Layer::Impl::stringifyLayout(rapidjson::Writer<rapidjson::StringBuffer>&) const {
}
<% } -%>

<% if (type !== 'background') { -%>
// Source

const std::string& <%- camelize(type) %>Layer::getSourceID() const {
    return impl().source;
}

<% if (type !== 'raster' && type !== 'hillshade') { -%>
void <%- camelize(type) %>Layer::setSourceLayer(const std::string& sourceLayer) {
    auto impl_ = mutableImpl();
    impl_->sourceLayer = sourceLayer;
    baseImpl = std::move(impl_);
}

const std::string& <%- camelize(type) %>Layer::getSourceLayer() const {
    return impl().sourceLayer;
}

// Filter

void <%- camelize(type) %>Layer::setFilter(const Filter& filter) {
    auto impl_ = mutableImpl();
    impl_->filter = filter;
    baseImpl = std::move(impl_);
    observer->onLayerChanged(*this);
}

const Filter& <%- camelize(type) %>Layer::getFilter() const {
    return impl().filter;
}
<% } -%>
<% } -%>

// Visibility

void <%- camelize(type) %>Layer::setVisibility(VisibilityType value) {
    if (value == getVisibility())
        return;
    auto impl_ = mutableImpl();
    impl_->visibility = value;
    baseImpl = std::move(impl_);
    observer->onLayerChanged(*this);
}

// Zoom range

void <%- camelize(type) %>Layer::setMinZoom(float minZoom) {
    auto impl_ = mutableImpl();
    impl_->minZoom = minZoom;
    baseImpl = std::move(impl_);
}

void <%- camelize(type) %>Layer::setMaxZoom(float maxZoom) {
    auto impl_ = mutableImpl();
    impl_->maxZoom = maxZoom;
    baseImpl = std::move(impl_);
}

// Layout properties

<% for (const property of layoutProperties) { -%>
<%- propertyValueType(property) %> <%- camelize(type) %>Layer::getDefault<%- camelize(property.name) %>() {
    return <%- camelize(property.name) %>::defaultValue();
}

<%- propertyValueType(property) %> <%- camelize(type) %>Layer::get<%- camelize(property.name) %>() const {
    return impl().layout.get<<%- camelize(property.name) %>>();
}

void <%- camelize(type) %>Layer::set<%- camelize(property.name) %>(<%- propertyValueType(property) %> value) {
    if (value == get<%- camelize(property.name) %>())
        return;
    auto impl_ = mutableImpl();
    impl_->layout.get<<%- camelize(property.name) %>>() = value;
    baseImpl = std::move(impl_);
    observer->onLayerChanged(*this);
}
<% } -%>

// Paint properties
<% for (const property of paintProperties) { %>
<%- propertyValueType(property) %> <%- camelize(type) %>Layer::getDefault<%- camelize(property.name) %>() {
<% if (property.name === 'heatmap-color') { -%>
    conversion::Error error;
    std::string rawValue = R"JSON(<%- JSON.stringify(property.default) %>)JSON";
    return *conversion::convertJSON<<%- propertyValueType(property)%>>(rawValue, error);
<% } else { -%>
    return { <%- defaultValue(property) %> };
<% } -%>
}

<%- propertyValueType(property) %> <%- camelize(type) %>Layer::get<%- camelize(property.name) %>() const {
    return impl().paint.template get<<%- camelize(property.name) %>>().value;
}

void <%- camelize(type) %>Layer::set<%- camelize(property.name) %>(<%- propertyValueType(property) %> value) {
    if (value == get<%- camelize(property.name) %>())
        return;
    auto impl_ = mutableImpl();
    impl_->paint.template get<<%- camelize(property.name) %>>().value = value;
    baseImpl = std::move(impl_);
    observer->onLayerChanged(*this);
}

void <%- camelize(type) %>Layer::set<%- camelize(property.name) %>Transition(const TransitionOptions& options) {
    auto impl_ = mutableImpl();
    impl_->paint.template get<<%- camelize(property.name) %>>().options = options;
    baseImpl = std::move(impl_);
}

TransitionOptions <%- camelize(type) %>Layer::get<%- camelize(property.name) %>Transition() const {
    return impl().paint.template get<<%- camelize(property.name) %>>().options;
}
<% } -%>

} // namespace style
} // namespace mbgl