This module enables the learner to understand the main concepts underlying digital images and to use an image editing application to enhance images, apply effects, and prepare an image for printing and publishing.On completion of this module the learner will be able to:

• Understand the main concepts of using digital images; understand graphic format options and colour concepts.
• Open an existing image; save an image in different formats; set image file options.
• Use built-in options, such as displaying toolbars, palettes, to enhance productivity.
• Capture and save an image; use various selection tools; manipulate images.
• Create and use layers; work with text; use effects and filters; use drawing and painting tools.
• Prepare images for printing or publishing.

Target Audience

This course is intended for learners with little or no knowledge of using an image editing application to edit digital images.

Assumed Skills

The learner must be able to:

• operate a Personal Computer, use keyboard and mouse
• read, write, speak and understand English (Work Place Literacy Level 4 – lower secondary level)

Course Content

1. Imaging Concepts

Digital Images

• Identify common uses of digital images like: web and print publishing, distribution by e-mail and mobile phone, homeprinting, digital photo frames.
• Understand the terms pixel, resolution and identify the key features of a digital image: composed of discrete pixels,represented digitally in binary code.
• Understand the terms lossy, lossless image file compression.
• Understand the term copyright and the implications for image use. Understand the terms royalty-free images and rightsmanaged images.

Graphic Formats

• Understand the terms raster and vector graphics and distinguish between them. Identify common raster (jpeg, gif) and vector (svg, eps) formats.
• Recognize proprietary digital image editing application formats: psd, psp, xcf, cpt.

Colour Concepts

• Understand the term colour model and recognize common colour models: RGB, HSB, CMYK, grayscale.
• Understand the terms colour palette, colour depth.
• Understand the terms hue, saturation, colour balance.
• Understand the terms contrast, brightness, gamma.
• Understand the term transparency.

2. Image Capture

Capturing Images

• Save an image from a digital camera to a location on a drive.
• Use the print screen facility to capture a full screen, active window.
• Save an image from an image library, web page to a location on a drive.
• Open a scanning application and scan an image: preview, set scanning parameters, scan, save.

3. Using The Application

Image Creation

• Open, close an image editing application. Open, close image files.
• Create a new image file and set options: colour model, size, resolution, background colour.
• Create a new image file from clipboard.
• Switch between open image files.
• Save an image to a location on a drive. Save an image under another name to a location on a drive.
• Save, export an image as another file type like: jpeg, gif, tiff, png.

Settings

• Set background colour, foreground colour.
• Set grid properties: units, horizontal spacing, vertical spacing, colour.

Enhancing Productivity

4. Working With Images

Selection

Image Manipulations

Layers

Text

Effects And Filters

5. Drawing And Painting

Drawing Tools

Painting Tools

6. Prepare Outputs

Setup

Print

• Set basic options/ preferences in the application like: transparency, grid settings, measurement units.
• Use available Help functions.
• Use magnification/zoom tools.
• Use the undo, redo command. Use the undo history.
• Display, hide built-in toolbars, palettes, windows.
• Select an entire image, layer(s).
• Set selection tool properties: relationship between multiple selections, feathering, antialiasing, width, height.
• Select part of an image using selection tools: rectangular, elliptic, magic wand, magnetic lasso, freehand image.
• Inverse a selection.
• Save a selection, load a saved selection.
• Change the canvas size of an image.
• Resize an image in pixels, measurement units.
• Crop an image.
• Copy, move image(s), selection within an image.
• Rotate, mirror an image, selection within an image.
• Define and understand the term layer.
• Create, copy, delete a layer.
• Set layer properties: name, hide, show, lock, opacity, blending mode.
• Arrange, merge, link, flatten layers.
• Transform layer(s): scale, rotate, flip, move, trim.
• Convert a drawn object to a raster layer.
• Create an animated gif from layers.
• Add, edit, delete text.
• Copy, move text.
• Align text: left, centre, right, justified.
• Apply text formatting: font sizes, font types, font colour.
• Apply a text warp.
• Apply artistic, distortion effects: pixelate, emboss, wind, ripple, twirl, desaturate.
• Apply blur effects: gaussian, motion.
• Apply lighting effects: lighting, flare.
• Apply adjustments: brightness-contrast, hue-saturation, colour balance.
• Apply sharpen, unsharpen mask.
• Apply red eye reduction.
• Add a line to an image: straight line, free drawn line, curves. Set, modify line weight, style and colour.
• Add a shape to an image: rectangle, ellipse, n-shaped polygon. Set, modify line, fill style and colour.
• Pick up a colour value with the dropper.
• Fill a portion of an image with the gradient tool, selecting opacity/transparency, radial, linear, position, rotation.
• Colour a portion of an image with the paintbrush tool, selecting colour, shape, size.
• Erase a portion of an image with the eraser tool, selecting its shape and size.
• Fill a portion of an image with colour using the paint bucket tool.
• Clone a portion of an image using a clone tool, selecting size, opacity.
• Preview an image.
• Select appropriate colour depth, resolution, image size, graphic format for web, screen, print use.
• Change print output orientation: portrait, landscape. Change paper size.
• Print an image to an installed printer using defined options, default settings.