tailieunhanh - Thiết kế flash với flash cs5 part 32

Thiết lập nén Bitmap Khi bạn xuất một bộ phim Flash, bạn có thể quyết định bao nhiêu thông tin màu sắc bao gồm trong mỗi xuất khẩu bitmap. Đây được gọi là nén. Các bạn áp dụng nén nhiều hơn, các thông tin được bao gồm ít màu sắc và thấp hơn kích thước và chất lượng của hình ảnh. | Setting Bitmap Compression When you export a Flash movie you can decide how much color information to include in each exported bitmap. This is called compression. The more compression you apply the less color information is included and the lower the size and quality of the image. Lossy compression reduces the file size by removing color information while lossless compression reduces the file size not as much without removing information. You can choose to set a global compression for all bitmap files used in a Flash movie or you can set a separate compression for each image. As with all image compression file size needs to be weighed against image quality. It is always best to experiment until you get the results you want. Set Compression for a Bitmap Open the Library panel. Select the bitmap from the Library item list in which you want to set compression. Click the Properties icon in the bottom of the panel or double-click the bitmap file in the list. Select the Allow Smoothing check box to anti-alias the edges of the image making it appear smoother. Click the Compression popup and then select from the following options Lossless PNG GIF . Compresses the image without losing any information remains in its highest quality. Photo JPEG . You can choose to use the compression information contained by selecting the Use Document Default Quality check box. By deselecting this feature you can set the level of JPEG compression applied to the bitmap. The values are 1-100. The higher the number the less compression applied producing a higher quality image. Q Click OK. Thumbnail preview Click to test and preview the image in thumbnail. 6 210 Chapter 6 Using Break Apart to Create Fill Patterns By default when you import a bitmap into Flash and drag it to the Stage you are limited in how you can edit it. Break Apart the image to remove the image from its bounding box and enable you to cut into the image remove parts select regions and use it as a fill pattern. The bitmap is .

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