106 lines
3.6 KiB
C++
106 lines
3.6 KiB
C++
#ifndef MBGL_SYMBOL_LAYER
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#define MBGL_SYMBOL_LAYER
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#include <mbgl/style/style_layer.hpp>
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#include <mbgl/style/layout_property.hpp>
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#include <mbgl/style/paint_property.hpp>
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namespace mbgl {
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class SpriteAtlas;
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class SymbolLayoutProperties {
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public:
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LayoutProperty<PlacementType> placement { PlacementType::Point };
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LayoutProperty<float> spacing { 250.0f };
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LayoutProperty<bool> avoidEdges { false };
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class IconProperties {
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public:
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LayoutProperty<bool> allowOverlap { false };
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LayoutProperty<bool> ignorePlacement { false };
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LayoutProperty<bool> optional { false };
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LayoutProperty<RotationAlignmentType> rotationAlignment { RotationAlignmentType::Viewport };
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LayoutProperty<float> size { 1.0f };
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LayoutProperty<std::string> image { "" };
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LayoutProperty<float> rotate { 0.0f };
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LayoutProperty<float> padding { 2.0f };
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LayoutProperty<bool> keepUpright { false };
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LayoutProperty<std::array<float, 2>> offset { {{ 0, 0 }} };
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} icon;
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class TextProperties {
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public:
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LayoutProperty<RotationAlignmentType> rotationAlignment { RotationAlignmentType::Viewport };
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LayoutProperty<std::string> field { "" };
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LayoutProperty<std::string> font { "Open Sans Regular, Arial Unicode MS Regular" };
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LayoutProperty<float> size { 16.0f };
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LayoutProperty<float> maxWidth { 15.0f /* em */ };
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LayoutProperty<float> lineHeight { 1.2f /* em */ };
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LayoutProperty<float> letterSpacing { 0.0f /* em */ };
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LayoutProperty<TextJustifyType> justify { TextJustifyType::Center };
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LayoutProperty<TextAnchorType> anchor { TextAnchorType::Center };
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LayoutProperty<float> maxAngle { 45.0f /* degrees */ };
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LayoutProperty<float> rotate { 0.0f };
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LayoutProperty<float> padding { 2.0f };
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LayoutProperty<bool> keepUpright { true };
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LayoutProperty<TextTransformType> transform { TextTransformType::None };
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LayoutProperty<std::array<float, 2>> offset { {{ 0, 0 }} };
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LayoutProperty<bool> allowOverlap { false };
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LayoutProperty<bool> ignorePlacement { false };
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LayoutProperty<bool> optional { false };
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} text;
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// Special case.
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float iconMaxSize = 1.0f;
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float textMaxSize = 16.0f;
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};
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class SymbolPaintProperties {
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public:
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class PaintProperties {
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public:
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PaintProperties(float size_) : size(size_) {}
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PaintProperty<float> opacity { 1.0f };
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PaintProperty<Color> color { {{ 0, 0, 0, 1 }} };
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PaintProperty<Color> haloColor { {{ 0, 0, 0, 0 }} };
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PaintProperty<float> haloWidth { 0.0f };
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PaintProperty<float> haloBlur { 0.0f };
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PaintProperty<std::array<float, 2>> translate { {{ 0, 0 }} };
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PaintProperty<TranslateAnchorType> translateAnchor { TranslateAnchorType::Map };
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// Special case
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float size;
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bool isVisible() const {
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return opacity > 0 && (color.value[3] > 0 || haloColor.value[3] > 0) && size > 0;
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}
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};
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PaintProperties icon { 1.0f };
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PaintProperties text { 16.0f };
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};
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class SymbolLayer : public StyleLayer {
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public:
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std::unique_ptr<StyleLayer> clone() const override;
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void parseLayout(const JSValue&) override;
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void parsePaints(const JSValue&) override;
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void cascade(const StyleCascadeParameters&) override;
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bool recalculate(const StyleCalculationParameters&) override;
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std::unique_ptr<Bucket> createBucket(StyleBucketParameters&) const override;
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SymbolLayoutProperties layout;
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SymbolPaintProperties paint;
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SpriteAtlas* spriteAtlas;
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};
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} // namespace mbgl
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#endif
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