60 lines
1.2 KiB
C++
60 lines
1.2 KiB
C++
|
#include "hmtx.h"
|
||
|
|
#include <arpa/inet.h>
|
||
|
|
|
||
|
|
Hmtx::Hmtx(const std::string& p_tag, uint32_t p_checkSum, uint32_t p_offset, uint32_t p_length):
|
||
|
|
Table(p_tag, p_checkSum, p_offset, p_length),
|
||
|
|
numOfLongHorMetrics(0),
|
||
|
|
longHorMetric(0)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
Hmtx::~Hmtx()
|
||
|
|
{
|
||
|
|
delete longHorMetric;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Hmtx::read(const std::string& path)
|
||
|
|
{
|
||
|
|
if (numOfLongHorMetrics == 0) {
|
||
|
|
throw 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
std::ifstream file(path, std::ios::in | std::ios::binary);
|
||
|
|
file.seekg(offset);
|
||
|
|
|
||
|
|
char * buffer;
|
||
|
|
buffer = new char[2];
|
||
|
|
|
||
|
|
longHorMetric = new std::vector<HMetric>(numOfLongHorMetrics);
|
||
|
|
|
||
|
|
for (int i = 0; i < numOfLongHorMetrics; ++i) {
|
||
|
|
HMetric& met = longHorMetric->at(i);
|
||
|
|
|
||
|
|
file.read(buffer, 2);
|
||
|
|
uint16_t aw = ntohs(*((uint16_t*) buffer));
|
||
|
|
|
||
|
|
file.read(buffer, 2);
|
||
|
|
int16_t lsb = ntohs(*((int16_t*) buffer));
|
||
|
|
|
||
|
|
met.advanceWidth = aw;
|
||
|
|
met.leftSideBearing = lsb;
|
||
|
|
}
|
||
|
|
file.close();
|
||
|
|
delete[] buffer;
|
||
|
|
}
|
||
|
|
|
||
|
|
Hmtx::HMetric::HMetric():
|
||
|
|
advanceWidth(0),
|
||
|
|
leftSideBearing(0)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
Hmtx::HMetric Hmtx::getMetric(uint16_t cid) const
|
||
|
|
{
|
||
|
|
if (cid >= longHorMetric->size()) {
|
||
|
|
cid = longHorMetric->size() - 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return longHorMetric->at(cid);
|
||
|
|
}
|