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Chapter 5. Advanced Graphics > Creating Transparent GIFs

Creating Transparent GIFs

When you make a transparent GIF, you designate one color in the image's palette to be the transparent color. Pixels painted with the transparent color enable the background color to show through.

This technique is useful in getting rid of the bounding box that typically surrounds a graphic. When you compose an image in a graphics program, the workspace is almost always rectangular. Your image goes inside this rectangular region (the bounding box), and invariably some amount of space exists between the image and the edges of the box.


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