tailieunhanh - Illustrator CS4 for Dummies phần 6

176 Part II: Drawing and Coloring Your Artwork Pattern brushes — too cool and utterly wacko Pattern brushes (see Figure 9-13) are too cool for words, so I can just move on. Okay, no weaseling. For openers, you can use five different pieces of art for Pattern brushes rather than just one! Of course, that fact can also make them difficult to create. You need a graphic for straight lines and curves, one for inside corners, one for outside corners, one for the start of a line, and one for the end of a line. However, the results are worth the time and. | 176 Part II Drawing and Coloring Your Artwork Pattern brushes too cool and utterly wacko Pattern brushes see Figure 9-13 are too cool for words so I can just move on. Okay no weaseling. For openers you can use five different pieces of art for Pattern brushes rather than just one Of course that fact can also make them difficult to create. You need a graphic for straight lines and curves one for inside corners one for outside corners one for the start of a line and one for the end of a line. However the results are worth the time and effort to make sure that these five graphics work together. Figure 9-13 A sampling of the Pattern brushes. Well okay if making five pieces of art is too time-intensive you can get away with using just one. The Side tile is the key pattern. If you don t create five different graphics the Pattern brush just repeats the Side tile for any missing pattern. But come on now that s cheating. If you want eye-popping results make those five graphics and take full advantage of what this wonderful brush can do. Making the artwork for a Pattern brush If you find creating a Pattern brush tricky and counterintuitive you re not alone a lot of trial and error is par for the course especially at first. The first step in building a Pattern brush is to create the five pieces of artwork. Before you can do that however you need to know just what these pieces of artwork are for. Double-click a pattern brush in the Brushes panel to open the Pattern Brush Options dialog box for a peek at the possibilities. Figure 9-14 shows the Pattern Brush Options dialog box in which you tell Illustrator just where to put Chapter 9 Creating Magnificent Brushstrokes 177 the artwork on a path. Pattern brushes are context sensitive They know what the specific part of the path they are on is supposed to look like so they use the graphic that corresponds to that part of the path. Inside Corner tile Side tile End tile Outside Corner tile Start tile Figure 9-14 Each Pattern brush .