CHAPTER 9 ADVANCED DRAWING 339 Figure 9-7.
CHAPTER 9 ADVANCED DRAWING 339 Figure 9-7. Blurring beyond the size of the image creates squared-off edges. This happens because the oval frame gets bigger when it s blurred, and the image isn t big enough to contain it. For a really fuzzy border, you have to leave quite a bit of room around your original selection. If you think you might want a very fuzzy boundary, you re best off not cropping much until the very end. Note You can do the same sort of operation on GIMP s QuickMask: select the image with a fuzzy border, and then paste it onto a white background. Why use a layer mask? Because that makes it easier to see the effect of the operation. With the QuickMask, you have to modify the mask, change it to a selection, copy it, and paste it somewhere else only then will you see whether you need to go back and modify the QuickMask. Of course, since the layer mask is just a black-and-white image itself, you can modify it in a variety of ways to make all sorts of borders, like the ones in Figure 9-8. Experiment! You may not like most of the effects, but you might also find the perfect look.
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