94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
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#include "head.h"
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#include <arpa/inet.h>
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Head::Head(const std::string& p_tag, uint32_t p_checkSum, uint32_t p_offset, uint32_t p_length):
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Table(p_tag, p_checkSum, p_offset, p_length),
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fontRevisionMajor(0),
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fontRevisionMinor(0),
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flags(0),
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unitsPerEm(0),
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xMin(0),
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yMin(0),
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xMax(0),
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yMax(0),
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macStyle(0),
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lowestRecPPEM(0),
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fontDirectionHint(0),
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indexToLocFormat(0)
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{
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}
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Head::~Head()
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{
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}
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void Head::read(const std::string& path)
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{
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char * buffer;
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buffer = new char[2];
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std::ifstream file(path, std::ios::in | std::ios::binary);
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file.seekg(offset);
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file.read(buffer, 2); //version is not interesting, it is always 16.16 fixed point number equals to "1.0";
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file.read(buffer, 2); //version is not interesting, it is always 16.16 fixed point number equals to "1.0";
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file.read(buffer, 2);
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fontRevisionMajor = ntohs(*((uint16_t*) buffer));
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file.read(buffer, 2);
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fontRevisionMinor = ntohs(*((uint16_t*) buffer));
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delete[] buffer;
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buffer = new char[4];
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file.read(buffer, 4); //checkSumAdjustment - it's something fishy, no idea what to use it for;
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file.read(buffer, 4); //magicNumber, always set to 0x5f0f3cf5;
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delete[] buffer;
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buffer = new char[2];
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file.read(buffer, 2);
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flags = ntohs(*((uint16_t*) buffer));
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file.read(buffer, 2);
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unitsPerEm = ntohs(*((uint16_t*) buffer));
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file.read(buffer, 2); //creation date is a signed int64
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file.read(buffer, 2);
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file.read(buffer, 2);
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file.read(buffer, 2);
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file.read(buffer, 2); //last modification date is a signed int64
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file.read(buffer, 2);
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file.read(buffer, 2);
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file.read(buffer, 2);
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file.read(buffer, 2);
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xMin = ntohs(*((int16_t*) buffer));
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file.read(buffer, 2);
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yMin = ntohs(*((int16_t*) buffer));
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file.read(buffer, 2);
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xMax = ntohs(*((int16_t*) buffer));
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file.read(buffer, 2);
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yMax = ntohs(*((int16_t*) buffer));
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file.read(buffer, 2);
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macStyle = ntohs(*((uint16_t*) buffer));
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file.read(buffer, 2);
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lowestRecPPEM = ntohs(*((uint16_t*) buffer));
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file.read(buffer, 2);
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fontDirectionHint = ntohs(*((int16_t*) buffer));
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file.read(buffer, 2);
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indexToLocFormat = ntohs(*((int16_t*) buffer));
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//and there is stil uint16 glyph data format, but its always 0;
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file.close();
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delete[] buffer;
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}
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