c6f3cc8b60
* [core] Bump gl-js version * [core] Implement image expression * [core] Use new image expression * [core] Coerce image expression to / from string * [core] Serialize evaluated image * [core] Pass available images to layout * [core] Pass images to evaluation context * [core] Set available flag value based on image availability * [core] Allow image coercion to boolean to indicate image availability * [core] Coalesce image expression * [core] Add image expression to next build system * [core] Align serialization format and evaluated type with gl-js * [core] Add images to expression evaluation method * [core] Add support for Image expression to expression test runner * [core] Unskip image expression tests * [core] Update unit tests * [core] Use image expression in annotation manager * [core] Add string to ImageExpression conversion * [core] Add image expression to expression dsl * [core] Convert tokens for implicitly created Image literal * [core] Fix clang format * [core] Split generated style code lines that are over 120 characters * [core] Add unit test for image expression equality * [core] Add image property expression evaluation unit test * [core] Unskip image expression render test * [core] Skip 'in' expression tests * [core] Ignore fill-pattern/update-feature-state render test * [core] Rename Image::serialize to Image::toValue
39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
#pragma once
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#include <mbgl/style/expression/expression.hpp>
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#include <mbgl/style/expression/compound_expression.hpp>
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namespace mbgl {
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namespace style {
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namespace expression {
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template <typename T>
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bool isGlobalPropertyConstant(const Expression& expression, const T& properties) {
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if (expression.getKind() == Kind::CompoundExpression) {
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auto e = static_cast<const CompoundExpression*>(&expression);
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for (const std::string& property : properties) {
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if (e->getOperator() == property) {
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return false;
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}
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}
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}
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bool isConstant = true;
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expression.eachChild([&](const Expression& e) {
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if (isConstant && !isGlobalPropertyConstant(e, properties)) {
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isConstant = false;
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}
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});
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return isConstant;
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}
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bool isFeatureConstant(const Expression& expression);
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bool isZoomConstant(const Expression& e);
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// Returns true if expression does not depend on information provided by the runtime.
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bool isRuntimeConstant(const Expression& e);
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} // namespace expression
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} // namespace style
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} // namespace mbgl
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