msdf-atlas-gen/msdf-atlas-gen/ImmediateAtlasGenerator.h

50 lines
1.5 KiB
C++

#pragma once
#include <vector>
#include "GlyphBox.h"
#include "Workload.h"
#include "AtlasGenerator.h"
namespace msdf_atlas {
/**
* An implementation of AtlasGenerator that uses the specified generator function
* and AtlasStorage class and generates glyph bitmaps immediately
* (does not return until all submitted work is finished),
* but may use multiple threads (setThreadCount).
*/
template <typename T, int N, GeneratorFunction<T, N> GEN_FN, class AtlasStorage>
class ImmediateAtlasGenerator {
public:
ImmediateAtlasGenerator();
ImmediateAtlasGenerator(int width, int height);
template <typename... ARGS>
ImmediateAtlasGenerator(int width, int height, ARGS... storageArgs);
void generate(const GlyphGeometry *glyphs, int count);
void rearrange(int width, int height, const Remap *remapping, int count);
void resize(int width, int height);
/// Sets attributes for the generator function
void setAttributes(const GeneratorAttributes &attributes);
/// Sets the number of threads to be run by generate
void setThreadCount(int threadCount);
/// Allows access to the underlying AtlasStorage
const AtlasStorage &atlasStorage() const;
/// Returns the layout of the contained glyphs as a list of GlyphBoxes
const std::vector<GlyphBox> &getLayout() const;
private:
AtlasStorage storage;
std::vector<GlyphBox> layout;
std::vector<T> glyphBuffer;
std::vector<byte> errorCorrectionBuffer;
GeneratorAttributes attributes;
int threadCount;
};
}
#include "ImmediateAtlasGenerator.hpp"