M.-Leander Reimer wrote:
> But the byte array I would require must be
> bigger than 8x8 and would need to differ from image to image, so a
> statically defined byte array is unsuitable.

You are referring to the example in Chapter 5, but you probably
overlooked this paragraph on page 157: "In real life, you'll want
something that looks much better than figure 5.10, but this example
serves mainly to introduce the theory of hard and soft masks in images.
A hard mask has only one bit per component; 1 covers the image and
0 is transparent. A soft mask contains a gradient from 0 to 1.
We'll deal with this concept in more depth later on in chapter 11;
this is just a simple example that serves as an introduction."

> So the questions is: Can I make a hard mask directly from images loaded
> from a file, and if so, what formats are supported here?

Skip to chapter 11, section 11.3 "Clipping content" (p341-344).
http://itext.ugent.be/itext-in-action/
br,
Bruno

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