osb/source/rendering/StarFontTextureGroup.hpp

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2023-06-20 04:33:09 +00:00
#ifndef STAR_FONT_TEXTURE_GROUP_HPP
#define STAR_FONT_TEXTURE_GROUP_HPP
#include "StarColor.hpp"
#include "StarFont.hpp"
#include "StarRenderer.hpp"
namespace Star {
STAR_CLASS(FontTextureGroup);
class FontTextureGroup {
public:
FontTextureGroup(FontPtr font, TextureGroupPtr textureGroup);
TexturePtr glyphTexture(String::Char, unsigned fontSize);
TexturePtr glyphTexture(String::Char, unsigned fontSize, String const& processingDirectives);
unsigned glyphWidth(String::Char c, unsigned fontSize);
// Removes glyphs that haven't been used in more than the given time in
// milliseconds
void cleanup(int64_t timeout);
private:
typedef tuple<String::Char, unsigned, String> GlyphDescriptor;
struct GlyphTexture {
TexturePtr texture;
int64_t time;
};
FontPtr m_font;
TextureGroupPtr m_textureGroup;
HashMap<GlyphDescriptor, GlyphTexture> m_glyphs;
};
}
#endif