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Chapter Objectives

Chapter Objectives. Explain Web page typography issues Discuss effective use of Web page images Describe image file formats Discuss how to prepare Web-ready images. Typography. The appearance and arrangement of characters that make up your text Typeface Type style Type size Font.

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Chapter Objectives

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  1. Chapter Objectives • Explain Web page typography issues • Discuss effective use of Web page images • Describe image file formats • Discuss how to prepare Web-ready images Chapter 5: Typography and Images

  2. Typography • The appearance and arrangement of characters that make up your text • Typeface • Type style • Type size • Font Chapter 5: Typography and Images

  3. Typography Chapter 5: Typography and Images

  4. Typography • Sans serif fonts are a popular choice of many Web designers • Serifs do not always play a large role in the readability of online text • Web fonts are specifically designed for online reading Chapter 5: Typography and Images

  5. Typography Chapter 5: Typography and Images

  6. Typography • Font size can be expressed as an absolute size or a relative size • Absolute font sizes allow designers to maintain control over the size of page text • Relative font sizes allow visitors to control the font sizes in their browsers • Not all fonts are available on all computer operating systems • Font selection can contribute to a specific mood Chapter 5: Typography and Images

  7. Typography Chapter 5: Typography and Images

  8. Typography • Image text • Converts text into an image so that it displays properly Chapter 5: Typography and Images

  9. Web Page Images • Images can: • Add value to your Web site • Match or complement your Web site’s color scheme • Accurately represent the content to which they link, if used for image mapping • Contribute to the overall mood you want to set and support the site’s message Chapter 5: Typography and Images

  10. Sources for Images • Digital camera • Takes a digital image and records it electronically Chapter 5: Typography and Images

  11. Sources for Images • Scanners • Flatbed scanner • Sheet-fed scanner • Drum scanner Chapter 5: Typography and Images

  12. Sources for Images • Guidelines for scanning • Scan at the size at which they will be displayed • Scan illustrations at 256 colors • Save images in Tagged Image File Format (TIFF) Chapter 5: Typography and Images

  13. Sources for Images • Screen capture software and Illustration software • SnagIt • !QuickScreen Capture • FullShot • Adobe Illustrator • Xara Xtreme • Expression Design Chapter 5: Typography and Images

  14. Sources for Images Chapter 5: Typography and Images

  15. Image File Formats • Image files are grouped into two categories: • Raster • Vector • Web pages mostly display three formats • Graphics Interchange Format (GIF) • Joint Photographic Experts Group (JPEG) • Portable Network Graphics (PNG) Chapter 5: Typography and Images

  16. Image File Formats Chapter 5: Typography and Images

  17. Graphics Interchange Format (GIF) • Original graphics format used on the Web • Display up to 256 colors • Interlaced GIF displays image in a sequence of passes • Each pass displays the image at a higher resolution • You can turn off a single color in a transparent GIF Chapter 5: Typography and Images

  18. Graphics Interchange Format (GIF) Chapter 5: Typography and Images

  19. Joint Photographic Experts Group (JPEG) • Best suited for digital photographs on the Web that are more than 256 colors • A progressive JPEG displays on the screen in a sequence of passes with progressively improved image quality Chapter 5: Typography and Images

  20. Joint Photographic Experts Group (JPEG) Chapter 5: Typography and Images

  21. Portable Network Graphics (PNG) Format • Developed as a free open source image format to replace the GIF format • Greater range of colors than the GIF format • Superior transparency capabilities • Undecided whether PNG images will replace GIF images • Lack of browser support Chapter 5: Typography and Images

  22. Web-ready Images • Crop images to remove unwanted subject matter Chapter 5: Typography and Images

  23. Web-ready Images • Optimizing Your Images for Size and Quality • Lossy vs. Lossless compression Chapter 5: Typography and Images

  24. Web-ready Images • Guidelines for preparing Web-ready images • Determine the appropriate image file format • Refine your images using enhancement features • Refine and edit your image files in a lossless compression format, and then save them one time in a lossy compression format • Use optimization features Chapter 5: Typography and Images

  25. Chapter Summary • Explain Web page typography issues • Discuss effective use of Web page images • Describe image file formats • Discuss how to prepare Web-ready images Chapter 5: Typography and Images

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