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#include <mbgl/style/function/identity_stops.hpp>
#include <mbgl/style/types.hpp>
#include <mbgl/util/enum.hpp>
#include <mbgl/util/color.hpp>
#include <array>
namespace mbgl {
namespace style {
template <>
optional<float> IdentityStops<float>::evaluate(const Value& value) const {
return numericValue<float>(value);
}
template <>
optional<std::string> IdentityStops<std::string>::evaluate(const Value& value) const {
if (!value.is<std::string>()) {
return {};
}
return value.get<std::string>();
}
template <>
optional<Color> IdentityStops<Color>::evaluate(const Value& value) const {
if (!value.is<std::string>()) {
return {};
}
return Color::parse(value.get<std::string>());
}
template <>
optional<TextTransformType> IdentityStops<TextTransformType>::evaluate(const Value& value) const {
if (!value.is<std::string>()) {
return {};
}
return Enum<TextTransformType>::toEnum(value.get<std::string>());
}
template <>
optional<TextJustifyType> IdentityStops<TextJustifyType>::evaluate(const Value& value) const {
if (!value.is<std::string>()) {
return {};
}
return Enum<TextJustifyType>::toEnum(value.get<std::string>());
}
template <>
optional<SymbolAnchorType> IdentityStops<SymbolAnchorType>::evaluate(const Value& value) const {
if (!value.is<std::string>()) {
return {};
}
return Enum<SymbolAnchorType>::toEnum(value.get<std::string>());
}
template <>
optional<LineJoinType> IdentityStops<LineJoinType>::evaluate(const Value& value) const {
if (!value.is<std::string>()) {
return {};
}
return Enum<LineJoinType>::toEnum(value.get<std::string>());
}
template <>
optional<std::array<float, 2>> IdentityStops<std::array<float, 2>>::evaluate(const Value& value) const {
if (!value.is<std::vector<Value>>()) {
return {};
}
const auto& vector = value.get<std::vector<Value>>();
if (vector.size() != 2 || !numericValue<float>(vector[0]) || !numericValue<float>(vector[1])) {
return {};
}
std::array<float, 2> array {{
*numericValue<float>(vector[0]),
*numericValue<float>(vector[1])
}};
return array;
}
} // namespace style
} // namespace mbgl
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