shaped.hpp

[詳解]

#ifndef TYPESET_INL_SHAPED_HPP
#define TYPESET_INL_SHAPED_HPP
 
#include <cstdint>
#include <memory>
#include <string>
#include <vector>
 
#include <glyphware/Face.h>
 
#include "typeset/dl/display_list.hpp"
#include "typeset/obj/object.hpp"
#include "typeset/geom.hpp"
#include "typeset/style.hpp"
#include "typeset/text/char_class.hpp"
 
namespace typeset::inl {
 
struct PlacedGlyph {
    std::shared_ptr<glyphware::Face> face;
    uint32_t gid = 0;
    Pt inline_ = 0.0f;      
    Pt block = 0.0f;        
    Pt advance = 0.0f;      
    Pt boxBefore = 0.0f;
    Pt boxAfter = 0.0f;
    Mat2 xform;             
    Pt size = 0.0f;         
    uint32_t charIndex = 0; 
    Pt embolden = 0.0f;     
    uint32_t styleIndex = 0;
    bool annotation = false;
    bool placeholder = false;
    bool monochrome = false;
 
    std::shared_ptr<const dl::Image> image;
    Size imageSize;
    std::shared_ptr<const obj::ObjectResult> object;
};
 
struct ShapedCluster {
    uint32_t glyphStart = 0;
    uint32_t glyphCount = 0;
    size_t charStart = 0;
    size_t charEnd = 0;
    Pt origin = 0.0f;       
    Pt advance = 0.0f;      
    text::CharClass charClass = text::CharClass::Unknown;
    bool upright = true;    
    uint32_t styleIndex = 0;
    bool object = false;    
    uint8_t level = 0;      
};
 
struct ShapedText {
    std::u16string sourceText;
    std::vector<PlacedGlyph> glyphs;
    std::vector<ShapedCluster> clusters;
    Pt advance = 0.0f;      
    Pt blockMin = 0.0f;     
    Pt blockMax = 0.0f;     
    int paragraphLevel = 0; 
    bool bidi = false;      
};
 
struct StyleRun {
    size_t start = 0;
    size_t end = 0;
    uint32_t styleIndex = 0;
};
 
} // namespace typeset::inl
 
#endif // TYPESET_INL_SHAPED_HPP