CHAPTER 4 DRAWING (Linux web host) 119 You can also
CHAPTER 4 DRAWING 119 You can also make a new image transparent. This can be useful if you re making an icon for a web page, or an image that will be pasted onto a photograph later. But the gray checkerboard pattern GIMP uses for transparency can be distracting. When you re learning drawing techniques, it s easier to draw on layers over a white background, and then turn off the background before you save the file. You ll see how that helps in the drawing project at the end of this chapter. The New Image dialog offers one more option: a space for a comment, defaulting to Created with the GIMP. You can use this space for your name and copyright information, or information about the image you re creating and what it represents. Or, of course, you can just leave it blank. Note Not all image formats can include a comment, but the most common formats JPEG, PNG, and GIF all have it. Using Layers for Drawing The first rule of drawing is: Use a new layer. You just created a new image with a perfectly clean background. Why should you add yet another layer? What if you want to change the background color later? Or make the background transparent? What if you decide you want to move part of your image to a different place? What if you want to duplicate a figure you ve drawn, so you can have two of them against the same background? Sure, it s possible to make all these changes with the GIMP later: but it s a lot more work than just using layers to begin with. You don t need to make a new layer for every line you draw. But try to think of your drawing in terms of functional units: the background is one layer, grass might be another, trees a third, and the sky a fourth. So, the first step is to create a new blank layer. To do that, go to the Layers dialog and press the New Layer button in the lower-left corner. Up pops the New Layer dialog (Figure 4-2).
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