public static Object[] SplitDAelements(String da)
{
PRTokeniser tk = new PRTokeniser(PdfEncodings.ConvertToBytes(da, null));
ArrayList stack = new ArrayList();
Object[] ret = new Object[3];
while (tk.NextToken()) {
if (tk.TokenType == PRTokeniser.TK_COMMENT)
continue;
if (tk.TokenType == PRTokeniser.TK_OTHER) {
String oper = tk.StringValue;
if (oper.Equals("Tf")) {
if (stack.Count >= 2) {
ret[DA_FONT] = stack[stack.Count - 2];
ret[DA_SIZE] = float.Parse((String)stack[stack.Count - 1], NumberFormatInfo.InvariantInfo);
}
}
else if (oper.Equals("g")) {
if (stack.Count >= 1) {
float gray = float.Parse((String)stack[stack.Count - 1], NumberFormatInfo.InvariantInfo);
if (gray != 0)
ret[DA_COLOR] = new GrayColor(gray);
}
}
else if (oper.Equals("rg")) {
if (stack.Count >= 3) {
float red = float.Parse((String)stack[stack.Count - 3], NumberFormatInfo.InvariantInfo);
float green = float.Parse((String)stack[stack.Count - 2], NumberFormatInfo.InvariantInfo);
float blue = float.Parse((String)stack[stack.Count - 1], NumberFormatInfo.InvariantInfo);
ret[DA_COLOR] = new Color(red, green, blue);
}
}
else if (oper.Equals("k")) {
if (stack.Count >= 4) {
float cyan = float.Parse((String)stack[stack.Count - 4], NumberFormatInfo.InvariantInfo);
float magenta = float.Parse((String)stack[stack.Count - 3], NumberFormatInfo.InvariantInfo);
float yellow = float.Parse((String)stack[stack.Count - 2], NumberFormatInfo.InvariantInfo);
float black = float.Parse((String)stack[stack.Count - 1], NumberFormatInfo.InvariantInfo);
ret[DA_COLOR] = new CMYKColor(cyan, magenta, yellow, black);
}
}
stack.Clear();
}
else
stack.Add(tk.StringValue);
}
return ret;
}
/**
* Creates a new instance of PdfContentParser
* @param tokeniser the tokeniser with the content
*/
public PdfContentParser(PRTokeniser tokeniser)
{
this.tokeniser = tokeniser;
}
/**
* Creates a new instance of PdfContentParser
* @param tokeniser the tokeniser with the content
*/
public PdfContentParser(PRTokeniser tokeniser)
{
this.tokeniser = tokeniser;
}
public static int[] CheckObjectStart(byte[] line)
{
try {
PRTokeniser tk = new PRTokeniser(line);
int num = 0;
int gen = 0;
if (!tk.NextToken() || tk.TokenType != TK_NUMBER)
return null;
num = tk.IntValue;
if (!tk.NextToken() || tk.TokenType != TK_NUMBER)
return null;
gen = tk.IntValue;
if (!tk.NextToken())
return null;
if (!tk.StringValue.Equals("obj"))
return null;
return new int[]{num, gen};
}
catch {
}
return null;
}