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MapLibreParticleLab/include/llmr/renderer/text_bucket.hpp
Konstantin Käfer 2b14579986 only paint layer if it has data
refs #184
2014-05-12 19:08:59 +02:00

60 lines
1.5 KiB
C++

#ifndef LLMR_RENDERER_TEXTBUCKET
#define LLMR_RENDERER_TEXTBUCKET
#include "bucket.hpp"
#include <llmr/style/bucket_description.hpp>
#include <llmr/geometry/vao.hpp>
#include <llmr/geometry/elements_buffer.hpp>
#include <llmr/map/vector_tile.hpp>
#include <llmr/text/types.hpp>
#include <memory>
#include <map>
#include <vector>
namespace llmr {
class Style;
class TextVertexBuffer;
class TriangleElementsBuffer;
class TextShader;
class Placement;
struct pbf;
class TextBucket : public Bucket {
typedef ElementGroup triangle_group_type;
public:
TextBucket(
TextVertexBuffer &vertexBuffer,
TriangleElementsBuffer &triangleElementsBuffer,
const BucketDescription &bucket_desc, Placement &placement);
virtual void render(Painter &painter, const std::string &layer_name, const Tile::ID &id);
virtual bool hasData() const;
void addGlyphs(const PlacedGlyphs &glyphs, float placementZoom,
PlacementRange placementRange, float zoom);
void addFeature(const VectorTileFeature &feature,
const IndexedFaces &faces,
const std::map<Value, Shaping> &shapings);
void drawGlyphs(TextShader &shader);
public:
const BucketGeometryDescription &geom_desc;
private:
TextVertexBuffer& vertexBuffer;
TriangleElementsBuffer& triangleElementsBuffer;
Placement &placement;
const size_t vertex_start;
const size_t triangle_elements_start;
std::vector<triangle_group_type> triangleGroups;
};
}
#endif