generated from bing/readnotes
85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
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#ifndef __GLYF_H__
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#define __GLYF_H__
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#include "../../../reader/reader.h"
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#define ON_CURVE_POINT 0x01
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#define X_SHORT_VECTOR 0x02
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#define Y_SHORT_VECTOR 0x04
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#define REPEAT_FLAG 0x08
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#define X_IS_SAME_OR_POSITIVE_X_SHORT_VECTOR 0x10
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#define Y_IS_SAME_OR_POSITIVE_X_SHORT_VECTOR 0x20
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#define OVERLAP_SIMPLE 0x40
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#define FLAG_Reserved 0x80
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#define list_uint8 std::vector<uint8_t>
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#define list_uint16 std::vector<uint16_t>
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/*
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header 其实是字形的边界框
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*/
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class GlyfTableHeader
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{
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private:
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int16_t _numberOfContours; //非负数表示简单字形，负数表示复合字形
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int16_t _xMin;
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int16_t _yMin;
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int16_t _xMax;
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int16_t _yMax;
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public:
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GlyfTableHeader():_numberOfContours(0),_xMax(0),_yMax(0),_xMin(0),_yMin(0){};
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~GlyfTableHeader(){};
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GlyfTableHeader(reader* rd){read(rd);};
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void read(reader*rd){
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_numberOfContours = rd->readInt16();
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_xMin = rd->readInt16();
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_yMin = rd->readInt16();
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_xMax = rd->readInt16();
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_yMax = rd->readInt16();
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}
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int16_t numberOfContours(){return _numberOfContours;};
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int16_t xMin(){return _xMin;};
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int16_t yMin()const{return _yMin;};
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int16_t xMax()const{return _xMax;};
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int16_t yMax()const{return _yMax;};
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};
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//
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class SimpleGlyfTable
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{
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private:
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uint16_t _numOfContours;
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list_uint16 _endPtsOfContours;
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uint16_t _instructionLength;
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list_uint8 _instructions;
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list_uint8 _flags;
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list_uint16 _xCoordinates;
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list_uint16 _yCoordinates;
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public:
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SimpleGlyfTable() : _instructionLength(0), _numOfContours(0) {};
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~SimpleGlyfTable() {};
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SimpleGlyfTable(uint16_t numOfContours, reader *rd)
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{
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_numOfContours = numOfContours;
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read(rd);
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};
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void read(reader *rd)
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{
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for (auto i = 0; i < _numOfContours; i++)
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{
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uint16_t n = rd->readUint16();
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_endPtsOfContours.push_back(n);
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}
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_instructionLength = rd->readUint16();
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for (auto i = 0; i < _instructionLength; i++)
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{
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uint8_t n = rd->readUint8();
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_instructions.push_back(n);
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}
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};
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list_uint16 endPtsOfContours() { return _endPtsOfContours; };
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uint16_t instructionLength() { return _instructionLength; };
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list_uint8 instructions() { return _instructions; };
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list_uint8 flags() { return _flags; };
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list_uint16 xCoordinates() { return _xCoordinates; };
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list_uint16 yCoordinates() { return _yCoordinates; };
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};
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#endif
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