public void png_convert_from_DateTime(ref png_time ptime, DateTime ttime)
{
ptime.year = (ushort)ttime.Year;
ptime.month = (byte)(ttime.Month + 1);
ptime.day = (byte)ttime.Day;
ptime.hour = (byte)ttime.Hour;
ptime.minute = (byte)ttime.Minute;
ptime.second = (byte)ttime.Second;
}
public PNG_INFO png_get_tIME(ref png_time mod_time)
{
if ((info_ptr_valid & PNG_INFO.tIME) != PNG_INFO.tIME)
{
return(PNG_INFO.None);
}
mod_time = info_ptr_mod_time;
return(PNG_INFO.tIME);
}
public PNG_INFO png_get_tIME(ref png_time mod_time)
{
if((info_ptr_valid&PNG_INFO.tIME)!=PNG_INFO.tIME) return PNG_INFO.None;
mod_time=info_ptr_mod_time;
return PNG_INFO.tIME;
}
public void png_set_tIME(png_time mod_time)
{
info_ptr_mod_time = mod_time;
info_ptr_valid |= PNG_INFO.tIME;
}
public void png_set_tIME(png_time mod_time)
{
info_ptr_mod_time=mod_time;
info_ptr_valid|=PNG_INFO.tIME;
}
// Write the tIME chunk. Use either png_convert_from_struct_tm()
// or png_convert_from_time_t(), or fill in the structure yourself.
void png_write_tIME(png_time mod_time)
{
byte[] buf=new byte[7];
if(mod_time.month>12||mod_time.month<1||mod_time.day>31||mod_time.day<1||mod_time.hour>23||mod_time.second>60)
{
Debug.WriteLine("Invalid time specified for tIME chunk");
return;
}
png_save_uint_16(buf, mod_time.year);
buf[2]=mod_time.month;
buf[3]=mod_time.day;
buf[4]=mod_time.hour;
buf[5]=mod_time.minute;
buf[6]=mod_time.second;
png_write_chunk(PNG.tIME, buf, 7);
}
public void png_convert_from_DateTime(ref png_time ptime, DateTime ttime)
{
ptime.year=(ushort)ttime.Year;
ptime.month=(byte)(ttime.Month+1);
ptime.day=(byte)ttime.Day;
ptime.hour=(byte)ttime.Hour;
ptime.minute=(byte)ttime.Minute;
ptime.second=(byte)ttime.Second;
}