void operation(Operator op, ICharStringListener listener, ArrayList operandStack, BinaryReader reader)
{
int i;
byte[] subRoutine;
switch (op)
{
case Operator.@return:
reader.BaseStream.Seek(0, SeekOrigin.End);
break;
case Operator.endchar:
if (!calculatedWidth)
{
calculatedWidth = true;
if (1 == (operandStack.Count % 2))
{
//odd number of arguments.
//the first is the width offset
int widthDiff = Convert.ToInt32(operandStack[0]);
this.width = this.nominalWidth + widthDiff;
}
}
if (operandStack.Count >= 4)
{
//seac(
// (int)operandStack[operandStack.Count - 4],
// (int)operandStack[operandStack.Count - 3],
// (int)operandStack[operandStack.Count - 2],
// (int)operandStack[operandStack.Count - 1],
// listener);
}
listener.ClosePath();
reader.BaseStream.Seek(0, SeekOrigin.End);
operandStack.Clear();
break;
case Operator.callsubr:
//subRoutine = this.localSubrs.GetData((int)operandStack[operandStack.Count - 1] + this.localSubrsBias);
operandStack.RemoveAt(operandStack.Count - 1); // remove the top element (subroutine number)
//call(subRoutine, listener);
break;
case Operator.callgsubr:
//subRoutine = this.globalSubrs.GetData((int)operandStack[operandStack.Count - 1] + this.globalSubrsBias);
operandStack.RemoveAt(operandStack.Count - 1); // remove the top element (subroutine number)
//call(subRoutine, listener);
break;
case Operator.vstem:
case Operator.hstem:
case Operator.vstemhm:
case Operator.hstemhm:
case Operator.hintmask:
case Operator.cntrmask:
//for now assume there is always one of the operators above, to see if a width is specified.
hintCount += (operandStack.Count / 2);
if (!calculatedWidth)
{
calculatedWidth = true;
if (1 == (operandStack.Count % 2))
{
//odd number of arguments.
//the first is the width offset
int widthDiff = Convert.ToInt32(operandStack[0]);
this.width = this.nominalWidth + widthDiff;
}
}
operandStack.Clear();
break;
case Operator.flex:
System.Diagnostics.Debug.Assert(operandStack.Count == 13);
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), Convert.ToDouble(operandStack[1]),
Convert.ToDouble(operandStack[2]), Convert.ToDouble(operandStack[3]),
Convert.ToDouble(operandStack[4]), Convert.ToDouble(operandStack[5]));
listener.AppendBezier(
Convert.ToDouble(operandStack[6]), Convert.ToDouble(operandStack[7]),
Convert.ToDouble(operandStack[8]), Convert.ToDouble(operandStack[9]),
Convert.ToDouble(operandStack[10]), Convert.ToDouble(operandStack[11]));
// ignore flex depth
operandStack.Clear();
break;
case Operator.hflex:
System.Diagnostics.Debug.Assert(operandStack.Count == 7);
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), 0,
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
Convert.ToDouble(operandStack[3]), 0);
listener.AppendBezier(
Convert.ToDouble(operandStack[4]), 0,
Convert.ToDouble(operandStack[5]), 0,
Convert.ToDouble(operandStack[6]), 0);
operandStack.Clear();
break;
case Operator.flex1:
System.Diagnostics.Debug.Assert(operandStack.Count == 11);
double dx6 = 0;
double dy6 = 0;
// The last value on the stack is a value for the X or Y of the last end point
// depending on the distance from the start point to the last control point.
// If
if (Math.Abs((int)operandStack[0] + (int)operandStack[2] + (int)operandStack[4] +
(int)operandStack[6] + (int)operandStack[8]) >
Math.Abs((int)operandStack[1] + (int)operandStack[3] + (int)operandStack[5] +
(int)operandStack[7] + (int)operandStack[9]))
dx6 = Convert.ToDouble(operandStack[10]);
else
dy6 = Convert.ToDouble(operandStack[10]);
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), Convert.ToDouble(operandStack[1]),
Convert.ToDouble(operandStack[2]), Convert.ToDouble(operandStack[3]),
Convert.ToDouble(operandStack[4]), Convert.ToDouble(operandStack[5]));
listener.AppendBezier(
Convert.ToDouble(operandStack[6]), Convert.ToDouble(operandStack[7]),
Convert.ToDouble(operandStack[8]), Convert.ToDouble(operandStack[9]),
dx6, dy6);
operandStack.Clear();
break;
case Operator.hflex1:
System.Diagnostics.Debug.Assert(operandStack.Count == 9);
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), Convert.ToDouble(operandStack[1]),
Convert.ToDouble(operandStack[2]), Convert.ToDouble(operandStack[3]),
Convert.ToDouble(operandStack[4]), 0);
listener.AppendBezier(
Convert.ToDouble(operandStack[5]), 0,
Convert.ToDouble(operandStack[6]), Convert.ToDouble(operandStack[7]),
Convert.ToDouble(operandStack[8]), 0);
operandStack.Clear();
break;
case Operator.rmoveto:
System.Diagnostics.Debug.Assert(2 == operandStack.Count || (!calculatedWidth && 3 == operandStack.Count));
if (!calculatedWidth)
{
calculatedWidth = true;
if (3 == operandStack.Count)
{
//3 arguments, assuming 2
//the first is the width offset
int widthDiff = Convert.ToInt32(operandStack[0]);
this.width = this.nominalWidth + widthDiff;
}
}
listener.ClosePath();
listener.RelativeMoveTo(Convert.ToDouble(operandStack[operandStack.Count - 2]), Convert.ToDouble(operandStack[operandStack.Count - 1]));
operandStack.Clear();
break;
case Operator.hmoveto:
System.Diagnostics.Debug.Assert(1 == operandStack.Count || (!calculatedWidth && 2 == operandStack.Count));
if (!calculatedWidth)
{
calculatedWidth = true;
if (2 == operandStack.Count)
{
//2 arguments, assuming 1
//the first is the width offset
int widthDiff = Convert.ToInt32(operandStack[0]);
this.width = this.nominalWidth + widthDiff;
}
}
listener.ClosePath();
listener.RelativeMoveTo(Convert.ToDouble(operandStack[operandStack.Count - 1]), 0);
operandStack.Clear();
break;
case Operator.vmoveto:
System.Diagnostics.Debug.Assert(1 == operandStack.Count || (!calculatedWidth && 2 == operandStack.Count));
if (!calculatedWidth)
{
calculatedWidth = true;
if (2 == operandStack.Count)
{
//2 arguments, assuming 1
//the first is the width offset
int widthDiff = Convert.ToInt32(operandStack[0]);
this.width = this.nominalWidth + widthDiff;
}
}
listener.ClosePath();
listener.RelativeMoveTo(0, Convert.ToDouble(operandStack[operandStack.Count - 1]));
operandStack.Clear();
break;
case Operator.rlineto:
System.Diagnostics.Debug.Assert(operandStack.Count % 2 == 0);
for (i = 0; i < operandStack.Count; i += 2)
{
listener.RelativeLineTo(Convert.ToDouble(operandStack[i]), Convert.ToDouble(operandStack[i + 1]));
}
operandStack.Clear();
break;
case Operator.hlineto:
System.Diagnostics.Debug.Assert(operandStack.Count >= 1);
if (1 == (operandStack.Count % 2))
{
listener.RelativeLineTo(Convert.ToDouble(operandStack[0]), 0);
for (i = 1; i < operandStack.Count; i += 2)
{
listener.RelativeLineTo(0, Convert.ToDouble(operandStack[i]));
listener.RelativeLineTo(Convert.ToDouble(operandStack[i + 1]), 0);
}
}
else
{
for (i = 0; i < operandStack.Count; i += 2)
{
listener.RelativeLineTo(Convert.ToDouble(operandStack[i]), 0);
listener.RelativeLineTo(0, Convert.ToDouble(operandStack[i + 1]));
}
}
operandStack.Clear();
break;
case Operator.vlineto:
System.Diagnostics.Debug.Assert(operandStack.Count >= 1);
if (1 == (operandStack.Count % 2))
{
listener.RelativeLineTo(0, Convert.ToDouble(operandStack[0]));
for (i = 1; i < operandStack.Count; i += 2)
{
listener.RelativeLineTo(Convert.ToDouble(operandStack[i]), 0);
listener.RelativeLineTo(0, Convert.ToDouble(operandStack[i + 1]));
}
}
else
{
for (i = 0; i < operandStack.Count; i += 2)
{
listener.RelativeLineTo(0, Convert.ToDouble(operandStack[i]));
listener.RelativeLineTo(Convert.ToDouble(operandStack[i + 1]), 0);
}
}
operandStack.Clear();
break;
case Operator.rrcurveto:
System.Diagnostics.Debug.Assert(operandStack.Count % 6 == 0);
for (i = 0; i < (operandStack.Count - 5); i += 6)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), Convert.ToDouble(operandStack[i + 1]),
Convert.ToDouble(operandStack[i + 2]), Convert.ToDouble(operandStack[i + 3]),
Convert.ToDouble(operandStack[i + 4]), Convert.ToDouble(operandStack[i + 5]));
}
operandStack.Clear();
break;
case Operator.hhcurveto:
System.Diagnostics.Debug.Assert(operandStack.Count % 4 == 0 || operandStack.Count % 4 == 1);
i = 0;
if ((operandStack.Count % 4) == 1)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[0]),
Convert.ToDouble(operandStack[2]), Convert.ToDouble(operandStack[3]),
Convert.ToDouble(operandStack[4]), 0);
i += 5;
}
for (; (i + 3) < operandStack.Count; i += 4)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), 0,
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
Convert.ToDouble(operandStack[i + 3]), 0);
}
operandStack.Clear();
break;
case Operator.hvcurveto:
switch (operandStack.Count % 8)
{
default:
System.Diagnostics.Debug.Assert(false);
break;
case 4:
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), 0,
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
0, Convert.ToDouble(operandStack[3]));
for (i = 4; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i]),
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
Convert.ToDouble(operandStack[i + 3]), 0);
listener.AppendBezier(
Convert.ToDouble(operandStack[i + 4]), 0,
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
0, Convert.ToDouble(operandStack[i + 7]));
}
break;
case 5:
if (5 < operandStack.Count)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), 0,
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
0, Convert.ToDouble(operandStack[3]));
}
else
{
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), 0,
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
Convert.ToDouble(operandStack[4]), Convert.ToDouble(operandStack[3]));
}
for (i = 4; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i]),
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
Convert.ToDouble(operandStack[i + 3]), 0);
if ((i + 9) < operandStack.Count)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i + 4]), 0,
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
0, Convert.ToDouble(operandStack[i + 7]));
}
else
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i + 4]), 0,
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 8]), Convert.ToDouble(operandStack[i + 7]));
break;
}
}
break;
case 0:
for (i = 0; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), 0,
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
0, Convert.ToDouble(operandStack[i + 3]));
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i + 4]),
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 7]), 0);
}
break;
case 1:
for (i = 0; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), 0,
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
0, Convert.ToDouble(operandStack[i + 3]));
if ((i + 9) < operandStack.Count)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i + 4]),
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 7]), 0);
}
else
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i + 4]),
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 7]), Convert.ToDouble(operandStack[i + 8]));
}
}
break;
}
operandStack.Clear();
break;
case Operator.rcurveline:
System.Diagnostics.Debug.Assert(operandStack.Count % 6 == 2);
for (i = 0; (i + 2) < operandStack.Count; i += 6)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), Convert.ToDouble(operandStack[i + 1]),
Convert.ToDouble(operandStack[i + 2]), Convert.ToDouble(operandStack[i + 3]),
Convert.ToDouble(operandStack[i + 4]), Convert.ToDouble(operandStack[i + 5]));
}
listener.RelativeLineTo(Convert.ToDouble(operandStack[i]), Convert.ToDouble(operandStack[i + 1]));
operandStack.Clear();
break;
case Operator.rlinecurve:
System.Diagnostics.Debug.Assert(operandStack.Count >= 6 && (operandStack.Count - 6) % 2 == 0);
for (i = 0; (i + 6) < operandStack.Count; i += 2)
{
listener.RelativeLineTo(Convert.ToDouble(operandStack[i]), Convert.ToDouble(operandStack[i + 1]));
}
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), Convert.ToDouble(operandStack[i + 1]),
Convert.ToDouble(operandStack[i + 2]), Convert.ToDouble(operandStack[i + 3]),
Convert.ToDouble(operandStack[i + 4]), Convert.ToDouble(operandStack[i + 5]));
operandStack.Clear();
break;
case Operator.vhcurveto:
switch (operandStack.Count % 8)
{
default:
System.Diagnostics.Debug.Assert(false);
break;
case 4:
listener.AppendBezier(
0, Convert.ToDouble(operandStack[0]),
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
Convert.ToDouble(operandStack[3]), 0);
for (i = 4; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), 0,
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
0, Convert.ToDouble(operandStack[i + 3]));
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i + 4]),
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 7]), 0);
}
break;
case 5:
if (5 < operandStack.Count)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[0]),
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
Convert.ToDouble(operandStack[3]), 0);
}
else
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[0]),
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
Convert.ToDouble(operandStack[3]), Convert.ToDouble(operandStack[4]));
}
for (i = 4; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), 0,
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
0, Convert.ToDouble(operandStack[i + 3]));
if ((i + 9) < operandStack.Count)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i + 4]),
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 7]), 0);
}
else
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i + 4]),
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 7]), Convert.ToDouble(operandStack[i + 8]));
break;
}
}
break;
case 0:
for (i = 0; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i]),
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
Convert.ToDouble(operandStack[i + 3]), 0);
listener.AppendBezier(
Convert.ToDouble(operandStack[i + 4]), 0,
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
0, Convert.ToDouble(operandStack[i + 7]));
}
break;
case 1:
for (i = 0; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i]),
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
Convert.ToDouble(operandStack[i + 3]), 0);
if ((i + 9) < operandStack.Count)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i + 4]), 0,
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
0, Convert.ToDouble(operandStack[i + 7]));
}
else
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i + 4]), 0,
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 8]), Convert.ToDouble(operandStack[i + 7]));
}
}
break;
}
operandStack.Clear();
break;
case Operator.vvcurveto:
System.Diagnostics.Debug.Assert(operandStack.Count % 4 == 0 || operandStack.Count % 4 == 1);
i = 0;
if ((operandStack.Count % 4) == 1)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), Convert.ToDouble(operandStack[1]),
Convert.ToDouble(operandStack[2]), Convert.ToDouble(operandStack[3]),
0, Convert.ToDouble(operandStack[4]));
i = 5;
}
for (; (i + 3) < operandStack.Count; i += 4)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i]),
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
0, Convert.ToDouble(operandStack[i + 3]));
}
operandStack.Clear();
break;
case Operator.eq:
System.Diagnostics.Debug.Assert(operandStack.Count >= 2);
double num1 = Convert.ToDouble(operandStack[operandStack.Count - 1]);
double num2 = Convert.ToDouble(operandStack[operandStack.Count - 2]);
operandStack.Clear();
operandStack.Add(num1 == num2 ? 1 : 0);
break;
case Operator.unknown:
throw new ArgumentException("Unnown operator in type 2 charstring");
case Operator.deprecated:
// do nothing
break;
}
}
void operation(Operator op, ICharStringListener listener, ArrayList operandStack, BinaryReader reader)
{
int i;
byte[] subRoutine;
switch (op)
{
case Operator.@return:
reader.BaseStream.Seek(0, SeekOrigin.End);
break;
case Operator.endchar:
if (!calculatedWidth)
{
calculatedWidth = true;
if (1 == (operandStack.Count % 2))
{
//odd number of arguments.
//the first is the width offset
int widthDiff = Convert.ToInt32(operandStack[0]);
this.width = this.nominalWidth + widthDiff;
}
}
if (operandStack.Count >= 4)
{
//seac(
// (int)operandStack[operandStack.Count - 4],
// (int)operandStack[operandStack.Count - 3],
// (int)operandStack[operandStack.Count - 2],
// (int)operandStack[operandStack.Count - 1],
// listener);
}
listener.ClosePath();
reader.BaseStream.Seek(0, SeekOrigin.End);
operandStack.Clear();
break;
case Operator.callsubr:
//subRoutine = this.localSubrs.GetData((int)operandStack[operandStack.Count - 1] + this.localSubrsBias);
operandStack.RemoveAt(operandStack.Count - 1); // remove the top element (subroutine number)
//call(subRoutine, listener);
break;
case Operator.callgsubr:
//subRoutine = this.globalSubrs.GetData((int)operandStack[operandStack.Count - 1] + this.globalSubrsBias);
operandStack.RemoveAt(operandStack.Count - 1); // remove the top element (subroutine number)
//call(subRoutine, listener);
break;
case Operator.vstem:
case Operator.hstem:
case Operator.vstemhm:
case Operator.hstemhm:
case Operator.hintmask:
case Operator.cntrmask:
//for now assume there is always one of the operators above, to see if a width is specified.
hintCount += (operandStack.Count / 2);
if (!calculatedWidth)
{
calculatedWidth = true;
if (1 == (operandStack.Count % 2))
{
//odd number of arguments.
//the first is the width offset
int widthDiff = Convert.ToInt32(operandStack[0]);
this.width = this.nominalWidth + widthDiff;
}
}
operandStack.Clear();
break;
case Operator.flex:
System.Diagnostics.Debug.Assert(operandStack.Count == 13);
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), Convert.ToDouble(operandStack[1]),
Convert.ToDouble(operandStack[2]), Convert.ToDouble(operandStack[3]),
Convert.ToDouble(operandStack[4]), Convert.ToDouble(operandStack[5]));
listener.AppendBezier(
Convert.ToDouble(operandStack[6]), Convert.ToDouble(operandStack[7]),
Convert.ToDouble(operandStack[8]), Convert.ToDouble(operandStack[9]),
Convert.ToDouble(operandStack[10]), Convert.ToDouble(operandStack[11]));
// ignore flex depth
operandStack.Clear();
break;
case Operator.hflex:
System.Diagnostics.Debug.Assert(operandStack.Count == 7);
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), 0,
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
Convert.ToDouble(operandStack[3]), 0);
listener.AppendBezier(
Convert.ToDouble(operandStack[4]), 0,
Convert.ToDouble(operandStack[5]), 0,
Convert.ToDouble(operandStack[6]), 0);
operandStack.Clear();
break;
case Operator.flex1:
System.Diagnostics.Debug.Assert(operandStack.Count == 11);
double dx6 = 0;
double dy6 = 0;
// The last value on the stack is a value for the X or Y of the last end point
// depending on the distance from the start point to the last control point.
// If
if (Math.Abs((int)operandStack[0] + (int)operandStack[2] + (int)operandStack[4] +
(int)operandStack[6] + (int)operandStack[8]) >
Math.Abs((int)operandStack[1] + (int)operandStack[3] + (int)operandStack[5] +
(int)operandStack[7] + (int)operandStack[9]))
{
dx6 = Convert.ToDouble(operandStack[10]);
}
else
{
dy6 = Convert.ToDouble(operandStack[10]);
}
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), Convert.ToDouble(operandStack[1]),
Convert.ToDouble(operandStack[2]), Convert.ToDouble(operandStack[3]),
Convert.ToDouble(operandStack[4]), Convert.ToDouble(operandStack[5]));
listener.AppendBezier(
Convert.ToDouble(operandStack[6]), Convert.ToDouble(operandStack[7]),
Convert.ToDouble(operandStack[8]), Convert.ToDouble(operandStack[9]),
dx6, dy6);
operandStack.Clear();
break;
case Operator.hflex1:
System.Diagnostics.Debug.Assert(operandStack.Count == 9);
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), Convert.ToDouble(operandStack[1]),
Convert.ToDouble(operandStack[2]), Convert.ToDouble(operandStack[3]),
Convert.ToDouble(operandStack[4]), 0);
listener.AppendBezier(
Convert.ToDouble(operandStack[5]), 0,
Convert.ToDouble(operandStack[6]), Convert.ToDouble(operandStack[7]),
Convert.ToDouble(operandStack[8]), 0);
operandStack.Clear();
break;
case Operator.rmoveto:
System.Diagnostics.Debug.Assert(2 == operandStack.Count || (!calculatedWidth && 3 == operandStack.Count));
if (!calculatedWidth)
{
calculatedWidth = true;
if (3 == operandStack.Count)
{
//3 arguments, assuming 2
//the first is the width offset
int widthDiff = Convert.ToInt32(operandStack[0]);
this.width = this.nominalWidth + widthDiff;
}
}
listener.ClosePath();
listener.RelativeMoveTo(Convert.ToDouble(operandStack[operandStack.Count - 2]), Convert.ToDouble(operandStack[operandStack.Count - 1]));
operandStack.Clear();
break;
case Operator.hmoveto:
System.Diagnostics.Debug.Assert(1 == operandStack.Count || (!calculatedWidth && 2 == operandStack.Count));
if (!calculatedWidth)
{
calculatedWidth = true;
if (2 == operandStack.Count)
{
//2 arguments, assuming 1
//the first is the width offset
int widthDiff = Convert.ToInt32(operandStack[0]);
this.width = this.nominalWidth + widthDiff;
}
}
listener.ClosePath();
listener.RelativeMoveTo(Convert.ToDouble(operandStack[operandStack.Count - 1]), 0);
operandStack.Clear();
break;
case Operator.vmoveto:
System.Diagnostics.Debug.Assert(1 == operandStack.Count || (!calculatedWidth && 2 == operandStack.Count));
if (!calculatedWidth)
{
calculatedWidth = true;
if (2 == operandStack.Count)
{
//2 arguments, assuming 1
//the first is the width offset
int widthDiff = Convert.ToInt32(operandStack[0]);
this.width = this.nominalWidth + widthDiff;
}
}
listener.ClosePath();
listener.RelativeMoveTo(0, Convert.ToDouble(operandStack[operandStack.Count - 1]));
operandStack.Clear();
break;
case Operator.rlineto:
System.Diagnostics.Debug.Assert(operandStack.Count % 2 == 0);
for (i = 0; i < operandStack.Count; i += 2)
{
listener.RelativeLineTo(Convert.ToDouble(operandStack[i]), Convert.ToDouble(operandStack[i + 1]));
}
operandStack.Clear();
break;
case Operator.hlineto:
System.Diagnostics.Debug.Assert(operandStack.Count >= 1);
if (1 == (operandStack.Count % 2))
{
listener.RelativeLineTo(Convert.ToDouble(operandStack[0]), 0);
for (i = 1; i < operandStack.Count; i += 2)
{
listener.RelativeLineTo(0, Convert.ToDouble(operandStack[i]));
listener.RelativeLineTo(Convert.ToDouble(operandStack[i + 1]), 0);
}
}
else
{
for (i = 0; i < operandStack.Count; i += 2)
{
listener.RelativeLineTo(Convert.ToDouble(operandStack[i]), 0);
listener.RelativeLineTo(0, Convert.ToDouble(operandStack[i + 1]));
}
}
operandStack.Clear();
break;
case Operator.vlineto:
System.Diagnostics.Debug.Assert(operandStack.Count >= 1);
if (1 == (operandStack.Count % 2))
{
listener.RelativeLineTo(0, Convert.ToDouble(operandStack[0]));
for (i = 1; i < operandStack.Count; i += 2)
{
listener.RelativeLineTo(Convert.ToDouble(operandStack[i]), 0);
listener.RelativeLineTo(0, Convert.ToDouble(operandStack[i + 1]));
}
}
else
{
for (i = 0; i < operandStack.Count; i += 2)
{
listener.RelativeLineTo(0, Convert.ToDouble(operandStack[i]));
listener.RelativeLineTo(Convert.ToDouble(operandStack[i + 1]), 0);
}
}
operandStack.Clear();
break;
case Operator.rrcurveto:
System.Diagnostics.Debug.Assert(operandStack.Count % 6 == 0);
for (i = 0; i < (operandStack.Count - 5); i += 6)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), Convert.ToDouble(operandStack[i + 1]),
Convert.ToDouble(operandStack[i + 2]), Convert.ToDouble(operandStack[i + 3]),
Convert.ToDouble(operandStack[i + 4]), Convert.ToDouble(operandStack[i + 5]));
}
operandStack.Clear();
break;
case Operator.hhcurveto:
System.Diagnostics.Debug.Assert(operandStack.Count % 4 == 0 || operandStack.Count % 4 == 1);
i = 0;
if ((operandStack.Count % 4) == 1)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[0]),
Convert.ToDouble(operandStack[2]), Convert.ToDouble(operandStack[3]),
Convert.ToDouble(operandStack[4]), 0);
i += 5;
}
for (; (i + 3) < operandStack.Count; i += 4)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), 0,
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
Convert.ToDouble(operandStack[i + 3]), 0);
}
operandStack.Clear();
break;
case Operator.hvcurveto:
switch (operandStack.Count % 8)
{
default:
System.Diagnostics.Debug.Assert(false);
break;
case 4:
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), 0,
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
0, Convert.ToDouble(operandStack[3]));
for (i = 4; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i]),
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
Convert.ToDouble(operandStack[i + 3]), 0);
listener.AppendBezier(
Convert.ToDouble(operandStack[i + 4]), 0,
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
0, Convert.ToDouble(operandStack[i + 7]));
}
break;
case 5:
if (5 < operandStack.Count)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), 0,
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
0, Convert.ToDouble(operandStack[3]));
}
else
{
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), 0,
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
Convert.ToDouble(operandStack[4]), Convert.ToDouble(operandStack[3]));
}
for (i = 4; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i]),
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
Convert.ToDouble(operandStack[i + 3]), 0);
if ((i + 9) < operandStack.Count)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i + 4]), 0,
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
0, Convert.ToDouble(operandStack[i + 7]));
}
else
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i + 4]), 0,
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 8]), Convert.ToDouble(operandStack[i + 7]));
break;
}
}
break;
case 0:
for (i = 0; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), 0,
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
0, Convert.ToDouble(operandStack[i + 3]));
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i + 4]),
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 7]), 0);
}
break;
case 1:
for (i = 0; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), 0,
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
0, Convert.ToDouble(operandStack[i + 3]));
if ((i + 9) < operandStack.Count)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i + 4]),
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 7]), 0);
}
else
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i + 4]),
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 7]), Convert.ToDouble(operandStack[i + 8]));
}
}
break;
}
operandStack.Clear();
break;
case Operator.rcurveline:
System.Diagnostics.Debug.Assert(operandStack.Count % 6 == 2);
for (i = 0; (i + 2) < operandStack.Count; i += 6)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), Convert.ToDouble(operandStack[i + 1]),
Convert.ToDouble(operandStack[i + 2]), Convert.ToDouble(operandStack[i + 3]),
Convert.ToDouble(operandStack[i + 4]), Convert.ToDouble(operandStack[i + 5]));
}
listener.RelativeLineTo(Convert.ToDouble(operandStack[i]), Convert.ToDouble(operandStack[i + 1]));
operandStack.Clear();
break;
case Operator.rlinecurve:
System.Diagnostics.Debug.Assert(operandStack.Count >= 6 && (operandStack.Count - 6) % 2 == 0);
for (i = 0; (i + 6) < operandStack.Count; i += 2)
{
listener.RelativeLineTo(Convert.ToDouble(operandStack[i]), Convert.ToDouble(operandStack[i + 1]));
}
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), Convert.ToDouble(operandStack[i + 1]),
Convert.ToDouble(operandStack[i + 2]), Convert.ToDouble(operandStack[i + 3]),
Convert.ToDouble(operandStack[i + 4]), Convert.ToDouble(operandStack[i + 5]));
operandStack.Clear();
break;
case Operator.vhcurveto:
switch (operandStack.Count % 8)
{
default:
System.Diagnostics.Debug.Assert(false);
break;
case 4:
listener.AppendBezier(
0, Convert.ToDouble(operandStack[0]),
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
Convert.ToDouble(operandStack[3]), 0);
for (i = 4; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), 0,
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
0, Convert.ToDouble(operandStack[i + 3]));
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i + 4]),
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 7]), 0);
}
break;
case 5:
if (5 < operandStack.Count)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[0]),
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
Convert.ToDouble(operandStack[3]), 0);
}
else
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[0]),
Convert.ToDouble(operandStack[1]), Convert.ToDouble(operandStack[2]),
Convert.ToDouble(operandStack[3]), Convert.ToDouble(operandStack[4]));
}
for (i = 4; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i]), 0,
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
0, Convert.ToDouble(operandStack[i + 3]));
if ((i + 9) < operandStack.Count)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i + 4]),
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 7]), 0);
}
else
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i + 4]),
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 7]), Convert.ToDouble(operandStack[i + 8]));
break;
}
}
break;
case 0:
for (i = 0; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i]),
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
Convert.ToDouble(operandStack[i + 3]), 0);
listener.AppendBezier(
Convert.ToDouble(operandStack[i + 4]), 0,
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
0, Convert.ToDouble(operandStack[i + 7]));
}
break;
case 1:
for (i = 0; (i + 7) < operandStack.Count; i += 8)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i]),
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
Convert.ToDouble(operandStack[i + 3]), 0);
if ((i + 9) < operandStack.Count)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i + 4]), 0,
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
0, Convert.ToDouble(operandStack[i + 7]));
}
else
{
listener.AppendBezier(
Convert.ToDouble(operandStack[i + 4]), 0,
Convert.ToDouble(operandStack[i + 5]), Convert.ToDouble(operandStack[i + 6]),
Convert.ToDouble(operandStack[i + 8]), Convert.ToDouble(operandStack[i + 7]));
}
}
break;
}
operandStack.Clear();
break;
case Operator.vvcurveto:
System.Diagnostics.Debug.Assert(operandStack.Count % 4 == 0 || operandStack.Count % 4 == 1);
i = 0;
if ((operandStack.Count % 4) == 1)
{
listener.AppendBezier(
Convert.ToDouble(operandStack[0]), Convert.ToDouble(operandStack[1]),
Convert.ToDouble(operandStack[2]), Convert.ToDouble(operandStack[3]),
0, Convert.ToDouble(operandStack[4]));
i = 5;
}
for (; (i + 3) < operandStack.Count; i += 4)
{
listener.AppendBezier(
0, Convert.ToDouble(operandStack[i]),
Convert.ToDouble(operandStack[i + 1]), Convert.ToDouble(operandStack[i + 2]),
0, Convert.ToDouble(operandStack[i + 3]));
}
operandStack.Clear();
break;
case Operator.eq:
System.Diagnostics.Debug.Assert(operandStack.Count >= 2);
double num1 = Convert.ToDouble(operandStack[operandStack.Count - 1]);
double num2 = Convert.ToDouble(operandStack[operandStack.Count - 2]);
operandStack.Clear();
operandStack.Add(num1 == num2 ? 1 : 0);
break;
case Operator.unknown:
throw new ArgumentException("Unnown operator in type 2 charstring");
case Operator.deprecated:
// do nothing
break;
}
}
