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Photoshop cs5 by steve Johnson part 70

Thiết kế cho web và thiết bị Nếu bạn cần phải thao tác một hình ảnh để đặt nó trên mạng, đó không phải là một chương trình tốt hơn trên thị trường hơn so với Adobe Photoshop sẽ làm công việc cho bạn. Bạn có thể chuẩn bị hình ảnh cho Internet tất cả các quyền từ Photoshop. Photoshop sử dụng định dạng tài liệu khác nhau như JPEG, GIF, PNG, và WBMP (Wireless BMP), để lưu hình ảnh trên Web, | Designing for the Web and Devices 19 Introduction What You ll Do If you need to manipulate a photographic image to place it on the Web there s not a better program on the market than Adobe Photoshop that will do the job for you. You can prepare images for the Internet all right from Photoshop. Photoshop uses various document formats such as JPEG GIF PNG and WBMP Wireless BMP to save images for the Web. For example the JPEG format is used primarily for compressing photographic images while the GIF format is used for compressing clip art and text. Each format is designed to serve a purpose and knowing when to use a specific format will help you design fast-loading dynamic web documents. However saving files in a specific file format is not the only way Photoshop helps you create web-friendly images you can also slice images. When you slice an image you re cutting the image into several pieces. Since the Internet handles smaller packets of information more efficiently than one large piece slicing an image makes the whole graphic load faster and Photoshop helps you slice images with ease. Save for the Web Work with Save For Web Options Optimize an Image to File Size Work with Web File Formats Optimize a JPEG Document Optimize a GIF Document Optimize a PNG-8 Document Optimize a PNG-24 Document Optimize a WBMP Document Create an Animated GIF Work with Animation Slice Images the Easy Way Work with Slices Arrange Slices Save a Sliced Image for the Web Add HTML Text or URL Link to Slices Define and Edit Web Data Variables Export Directly to Video Export to Zoomify 443 Saving for the Web Photoshop s Save For Web Devices command is a dream come true for preparing images for the Internet or even for saving images in a quick-loading format for Microsoft PowerPoint slide presentations and you don t even have to leave Photoshop. The Save For Web Devices command lets you open any Photoshop document and convert it into a web-friendly format using the GIF JPEG PNG or WBMP formats. .