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