#include <cstring>

#include "math.h"

namespace pdf2htmlEX {

void tm_transform(const double * tm, double & x, double & y, bool is_delta)

{

double xx = x, yy = y;

x = tm[0] * xx + tm[2] * yy;

y = tm[1] * xx + tm[3] * yy;

if(!is_delta)

{

x += tm[4];

y += tm[5];

}

}

void tm_multiply(double * tm_left, const double * tm_right)

{

double old[4];

memcpy(old, tm_left, sizeof(old));

tm_left[0] = old[0] * tm_right[0] + old[2] * tm_right[1];

tm_left[1] = old[1] * tm_right[0] + old[3] * tm_right[1];

tm_left[2] = old[0] * tm_right[2] + old[2] * tm_right[3];

tm_left[3] = old[1] * tm_right[2] + old[3] * tm_right[3];

tm_left[4] += old[0] * tm_right[4] + old[2] * tm_right[5];

tm_left[5] += old[1] * tm_right[4] + old[3] * tm_right[5];

}

} //namespace pdf2htmlEX