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#pragma once
#include <mbgl/text/glyph.hpp>
#include <mbgl/renderer/render_layer.hpp>
#include <mbgl/renderer/layers/render_layer_symbol_interface.hpp>
#include <mbgl/style/image_impl.hpp>
#include <mbgl/style/layers/symbol_layer_impl.hpp>
#include <mbgl/style/layers/symbol_layer_properties.hpp>
namespace mbgl {
namespace style {
// {icon,text}-specific paint-property packs for use in the symbol Programs.
// Since each program deals either with icons or text, using a smaller property set
// lets us avoid unnecessarily binding attributes for properties the program wouldn't use.
class IconPaintProperties : public Properties<
IconOpacity,
IconColor,
IconHaloColor,
IconHaloWidth,
IconHaloBlur,
IconTranslate,
IconTranslateAnchor
> {};
class TextPaintProperties : public Properties<
TextOpacity,
TextColor,
TextHaloColor,
TextHaloWidth,
TextHaloBlur,
TextTranslate,
TextTranslateAnchor
> {};
// Repackaging evaluated values from SymbolLayoutProperties + SymbolPaintProperties
// for genericity over icons vs. text.
class SymbolPropertyValues {
public:
// Layout
AlignmentType pitchAlignment;
AlignmentType rotationAlignment;
bool keepUpright;
// Paint
std::array<float, 2> translate;
TranslateAnchorType translateAnchor;
bool hasHalo;
bool hasFill;
};
} // namespace style
class RenderSymbolLayer final: public RenderLayer, public RenderLayerSymbolInterface {
public:
explicit RenderSymbolLayer(Immutable<style::SymbolLayer::Impl>);
~RenderSymbolLayer() override;
static style::IconPaintProperties::PossiblyEvaluated iconPaintProperties(const style::SymbolPaintProperties::PossiblyEvaluated&);
static style::TextPaintProperties::PossiblyEvaluated textPaintProperties(const style::SymbolPaintProperties::PossiblyEvaluated&);
private:
void transition(const TransitionParameters&) override;
void evaluate(const PropertyEvaluationParameters&) override;
bool hasTransition() const override;
bool hasCrossfade() const override;
void upload(gfx::UploadPass&, UploadParameters&) override;
void render(PaintParameters&, RenderSource*) override;
void setRenderTiles(RenderTiles, const TransformState&) override;
// RenderLayerSymbolInterface overrides
const RenderLayerSymbolInterface* getSymbolInterface() const override;
const std::string& layerID() const override;
const std::vector<std::reference_wrapper<RenderTile>>& getRenderTiles() const override;
SymbolBucket* getSymbolBucket(const RenderTile&) const override;
// Paint properties
style::SymbolPaintProperties::Unevaluated unevaluated;
float iconSize = 1.0f;
float textSize = 16.0f;
bool hasFormatSectionOverrides = false;
bool hasVariablePlacement = false;
};
} // namespace mbgl
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