Monday, August 08, 2005

Write a TIFF in Java

At time of writing the documentation for the Java Image I/O API is a bit sparse, particularily when it comes to file types other than JPG, PNG or GIF.
Although the API is actually incredible easy to use, it took me a couple of hours to find a straightforward way of writing a compressed TIFF that actually worked. I use "PackBits" because it was the only kind of compression that produced a usable TIFF in the application I was targetting (Freehand). Here is my code. Sorry about the lack of indentation. You can download the snippet. Use freely at your own risk.

protected boolean saveTiff(String filename, BufferedImage image) {

File tiffFile = new File(filename);
ImageOutputStream ios = null;
ImageWriter writer = null;

try {

// find an appropriate writer
Iterator it = ImageIO.getImageWritersByFormatName("TIF");
if (it.hasNext()) {
writer = (ImageWriter);
} else {
return false;

// setup writer
ios = ImageIO.createImageOutputStream(tiffFile);
TIFFImageWriteParam writeParam = new TIFFImageWriteParam(Locale.ENGLISH);
// see writeParam.getCompressionTypes() for available compression type strings

// convert to an IIOImage
IIOImage iioImage = new IIOImage(image, null, null);

// write it!
writer.write(null, iioImage, writeParam);

} catch (IOException e) {
return false;
return true;


Wednesday, August 03, 2005

Fireworks MX: HTML Preview without margin

This is a quickie. Maybe there's another way to do this but anyway ...
If you press F12 in Fireworks MX you get a preview of what you're working on in a browser - useful when designing a webpage.
By default, the page you see has a white margin around it which is a bit annoying.
To get around this, first change the HTML style (File->HTML Setup) from the default 'Dreamweaver' to 'Generic'. Then edit the file called 'SLICES.XTT', which I found here:
C:\Program Files\Macromedia\Fireworks MX 2004\Configuration\HTML Code\Generic.
In this file replace:

WRITE_HTML("<body bgcolor=\"#", exportDoc.backgroundColor.toString(16), "\"");


WRITE_HTML("<body marginwidth=\"0\" marginheight=\"0\" leftmargin=\"0\" topmargin=\"0\" bgcolor=\"#", exportDoc.backgroundColor.toString(16), "\"");

This got rid of the margins for me. Try at your own risk.