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Photo Editing for PowerPoint & the Web

Photo Editing for PowerPoint & the Web. Instructor: Vicki Weidler Assistant: Joaquin Obieta. Overview. Use Photoshop to correct & optimize images Insert images & backgrounds in PowerPoint, FrontPage, & Dreamweaver Transfer files to a remote web server. Graphic Limitations for PowerPoint.

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Photo Editing for PowerPoint & the Web

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  1. Photo Editing for PowerPoint & the Web Instructor: Vicki Weidler Assistant: Joaquin Obieta

  2. Overview • Use Photoshop to correct & optimize images • Insert images & backgrounds in PowerPoint, FrontPage, & Dreamweaver • Transfer files to a remote web server

  3. Graphic Limitations for PowerPoint • Avoid complex graphics • Use small file sizes • Use appropriate graphic file formats

  4. Graphic Limitations for the Web • Connection Speeds • User Configurations

  5. Display Considerations • Screen Sizes • Colors

  6. Cross Platform/Browser-Safe Colors • 256 vs. 216 Colors • Dithering • Using the Color Picker

  7. File Formats • JPEG – Joint Photographic Experts Group • GIF – Graphics Interchange Format • PNG – Portable Network Graphics

  8. JPEG • Best for photos or continuous tone, full-color images • Uses 16 million colors • Browsers use reasonable approximations • Work in RGB mode • Uses lossy compression • Saving (Standard, Optimized, Progressive)

  9. GIF • Best for solid color images (buttons, logos) • Uses 256 colors • Browsers uses 216 colors • Work in Indexed mode • Good compression • Interlaced • Used for transparent backgrounds

  10. PNG (8-bit) • Best for line art (logos) • Compresses solid areas of color well and maintains sharp detail • Generally, has better compression than GIF (10-30% smaller) • If considering saving as GIF, also consider saving as PNG (8-bit) • Not supported by older browsers

  11. PNG (24-bit) • Best for continuous-tone images • Compresses well, but can be larger than JPEGs • If considering saving as JPEG, could also consider PNG (24-bit) • Not supported by older browsers

  12. JPEG vs PNG Comparison of JPEG and PNG 68K PNG 31K JPG

  13. GIF vs PNG Comparison of JPEG and PNG 10.8K PNG-8 with 64 colors 9.5K GIF with 64 colors

  14. Vector Graphic

  15. Resolution Guidelines • Monitor or Browser = 72-96 ppi • Printer = 300-600 dpi • Email = 150 ppi or less

  16. Summary • Use Photoshop to correct & optimize images • Insert images & backgrounds in PowerPoint, FrontPage, & Dreamweaver • Transfer files to a remote web server

  17. Conclusion • Resources • Questions & Answers • Evaluations • Thank You!!!

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