public void SetTransformationMatrix(PDFTransformationMatrix matrix, bool appliesToText, bool appliesToDrawing)
{
float[] all = matrix.Components;
if (all.Length != Matrix2DTransformationLength)
{
throw new IndexOutOfRangeException("A 2D transformation matrix can only have 6 values");
}
if (appliesToDrawing)
{
for (int i = 0; i < Matrix2DTransformationLength; i++)
{
this.Writer.WriteRealS(all[i]);
}
this.Writer.WriteOpCodeS(PDFOpCode.GraphTransformMatrix);
}
if (appliesToText)
{
for (int i = 0; i < Matrix2DTransformationLength; i++)
{
this.Writer.WriteRealS(all[i]);
}
this.Writer.WriteOpCodeS(PDFOpCode.TxtTransformMatrix);
}
}
//
// calculations
//
public static PDFTransformationMatrix Multiply(PDFTransformationMatrix one, PDFTransformationMatrix two)
{
if (null == one)
{
throw new ArgumentNullException("one");
}
if (null == two)
{
throw new ArgumentNullException("two");
}
one = new PDFTransformationMatrix(one._matrix.Clone());
one._matrix.Multiply(two._matrix);
return(one);
}