CHAPTER 4 DRAWING 143 Clicking on the (Web hosting packages)
CHAPTER 4 DRAWING 143 Clicking on the pattern shown in the Toolbox will bring up the Patterns dialog, where you can select from all the patterns GIMP knows about. A pattern is just an image. Right-clicking on any square in the Patterns dialog offers Open Pattern as Image, from which you can edit the image and save it as a new pattern (usually with a file name ending in .pat, though .png and .tga will also work). But a pattern is a slightly special type of image: it s usually tileable. Imagine the pattern image is a tile and you re flooring a room with it. You d want the right edge of each tile to match the left edge of the tile next to it, and similarly with the top and bottom of each tile. If the edges match, then the tile job will be seamless and look like a single huge pattern. If they don t match, then you will be able to see seams between each image. It will be obvious that you used a lot of small images, and the result won t look so good. Most of the time, the patterns built into GIMP offer whatever you need. If you want more, there are plenty of sites that offer downloadable patterns. But if you crave something really special, the GIMP can help you make an image into a tileable pattern. Filters . Map . Make Seamless changes the edges of the current image so that it can be tiled precisely. Chapter 9 will go into pattern creation in more detail. Gradients The Gradient, or Blend, tool is another way to fill areas (Figure 4-22). It s also useful in all sorts of GIMP effects, as you ll see in later chapters. Figure 4-22. Filling with a gradient
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