public static int CalculateCrc32(byte[] buffer)
{
CRC32Calculator cal = new CRC32Calculator();
cal.SlurpBlock(buffer, 0, buffer.Length);
return(cal.Crc32Result);
}
public static int CalculateCrc32(string inputData)
{
CRC32Calculator cal = new CRC32Calculator();
byte[] utf8 = System.Text.Encoding.UTF8.GetBytes(inputData);
cal.SlurpBlock(utf8, 0, utf8.Length);
return(cal.Crc32Result);
}
static int RegisterFontName(string fontName)
{
fontName = fontName.ToUpper();
if (!s_registerFontNames.TryGetValue(fontName, out int found))
{
int nameCrc32 = CRC32Calculator.CalculateCrc32(fontName);
s_registerFontNames.Add(fontName, nameCrc32);
return(nameCrc32);
}
return(found);
}