public ImageIntrinsics()

in assets/support/faq/docbook-xsl/extensions/xalan2/com/nwalsh/xalan/ImageIntrinsics.java [44:107]

52 lines of code
21 McCabe index (conditional complexity)


  public ImageIntrinsics(ExpressionContext context, String imageFn) {
    image = Toolkit.getDefaultToolkit().getImage (imageFn);
    width = image.getWidth(this);

    while (!imageFailed && (width == -1 || depth == -1)) {
      try {
	java.lang.Thread.currentThread().sleep(50);
      } catch (Exception e) {
	// nop;
      }
      width = image.getWidth(this);
      depth = image.getHeight(this);
    }

    if (imageFailed) {
      // Maybe it's an EPS or PDF?
      // FIXME: this code is crude
      BufferedReader ir = null;
      String line = null;
      int lineLimit = 100;

      try {
	ir = new BufferedReader(new FileReader(new File(imageFn)));
	line = ir.readLine();

	if (line != null && line.startsWith("%PDF-")) {
	  // We've got a PDF!
	  while (lineLimit > 0 && line != null) {
	    lineLimit--;
	    if (line.startsWith("/CropBox [")) {
	      line = line.substring(10);
	      if (line.indexOf("]") >= 0) {
		line = line.substring(0, line.indexOf("]"));
	      }
	      parseBox(line);
	      lineLimit = 0;
	    }
	    line = ir.readLine();
	  }
	} else if (line != null && line.startsWith("%!") && line.indexOf(" EPSF-") > 0) {
	  // We've got an EPS!
	  while (lineLimit > 0 && line != null) {
	    lineLimit--;
	    if (line.startsWith("%%BoundingBox: ")) {
	      line = line.substring(15);
	      parseBox(line);
	      lineLimit = 0;
	    }
	    line = ir.readLine();
	  }
	}
      } catch (Exception e) {
	// nop;
      }

      if (ir != null) {
	try {
	  ir.close();
	} catch (Exception e) {
	  // nop;
	}
      }
    }
  }