// interpreter for hershey fonts
// see http://paulbourke.net/dataformats/hershey/
// sends commands to an driver which can do the drawing
public void interpret(string commands, IHersheyCommandDriver driver)
{
// translate a char to a value it encodes
Func <char, float> translate = (char p) => {
return((float)(p - 'R'));
};
Func <uint, float> readAndTranslate = (uint index) => {
return(translate(commands[(int)index]));
};
Func <uint, bool> isRaiseCommand = (uint index) => {
return(commands[(int)index] == ' ' && commands[(int)index + 1] == 'R');
};
float leftHandPosition = readAndTranslate(8);
float rightHandPosition = readAndTranslate(9);
driver.setPositions(leftHandPosition, rightHandPosition);
EnumCommandType commandType = EnumCommandType.MOVE;
for (uint i = 0; ; i++)
{
uint i2 = 10 + i * 2;
Debug.Assert(i2 <= commands.Length);
if (i2 == commands.Length)
{
break;
}
if (isRaiseCommand(i2))
{
driver.raise();
commandType = EnumCommandType.MOVE;
}
else
{
float x, y;
// C# implementation of readAndTranslateCoordinate(i2, /*out*/ x, /*out*/ y);
{
x = readAndTranslate(i2);
y = readAndTranslate(i2 + 1);
}
driver.command(commandType, x, y);
commandType = EnumCommandType.DRAW;
}
}
}
public static void CreateParametrs <T>(SqlCommand command, EnumCommandType ect, T entity)
{
PropertyInfo[] properties = typeof(T).GetProperties();
foreach (PropertyInfo item in properties)
{
string name = item.Name;
if (name == "Id" && ect == EnumCommandType.Insert)
{
continue;
}
else if (name != "Id" && ect == EnumCommandType.Delete)
{
continue;
}
else if ((name == "EntryTime" || name == "Active") && ect == EnumCommandType.Update)
{
continue;
}
object value = item.GetValue(entity);
command.Parameters.AddWithValue("@" + name, value);
}
}
