Optimizing images

Objectives
In this lessons students will learn

Files to Download
Sunrise
Logo
Chemistry
Purple Shrub
White flowers
Seals
Square pattern

Handout to Download
How to resize, rotate and crop images

Saving files for the web


There are three types of image formats.

1. JPEG/JPG (Joint Photographic Experts Group) JPEG Image (122788)
2. PNG (Portable Network Graphics)
PNG‑8/PNG‑24
Adium
3. GIF (Graphics Interchange Format) barnowl
Comparison of JPEG and PNG.png Comparison of JPEG and PNG

Photoshop Toolbar

Photoshop Help - Tool Galleries
Source: Photoshop Help – Tool Galleries

Screenshot 2015-11-05 07.54.21
The Move tool 
moves selections, layers, and guides


Screenshot 2015-11-05 07.54.13 The marquee tool make rectangular, elliptical, single row, and single column selections.



Screenshot 2015-11-05 07.54.32 The lasso tools make freehand, polygonal (straight-edged), and magnetic (snap-to) selections.


Screenshot 2015-11-05 07.54.44
The Quick Selection tool
 lets you quickly “paint” a selection using an adjustable round brush tip.



Screenshot 2015-11-05 07.54.52
The Magic Wand tool
 selects similarly colored areas.



Screenshot 2015-11-05 07.55.03
The Crop tool
 trims images.


Resources

Adobe Optimizing images
Photoshop Toolbar

 

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