what is the proper way to use setTextMatrix when you really me 2006-08-29 - By CG
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I have a chicken-and-the-egg type problem. I won't know how large an artifact
will be until I apply the transformation. I also won't know how to translate
the artifact to keep it within the clipping area of the template until it is
transformed. I'm almost there, but I need a nudge on how to get the proper
transformation.
//with an active Document and PdfContentByte
BaseFont fontArial = BaseFont.createFont("c:\\windows\\fonts\\arial.ttf",
"winansi", BaseFont.NOT_EMBEDDED);
float fontSize = 24;
AffineTransform at = AffineTransform.getRotateInstance(Math.PI/-4);
double [] mx = new double[6];
at.getMatrix(mx);
String textValue = "Rotation";
Rectangle.Double r = new
Rectangle.Double(0,0,(double)fontArial.getWidthPoint(textValue,
fontSize),(double)fontArial.getAscentPoint(textValue, fontSize));
Shape s = at.createTransformedShape(r);
PdfTemplate t =
contentByte.createTemplate(s.getBounds().width,s.getBounds().height);
t.beginText();
t.setColorFill(Color.black);
t.setFontAndSize(fontArial, fontSize);
t.setTextMatrix(float)mx[0], (float)mx[1], (float)mx[2], (float)mx[3],
(float)mx[4], (float)mx[5]);
t.showText(textValue);
t.endText();
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