Prelim- Lesson 3 Flashcards
What is Photoshop?
Photo retouching
Image editing
color painting program
graphic design tool
Uses of Photoshop
●Art (line drawings, charcoal, color original)
● Photographic
● Restoration
● WWW (GIFS, JPEGS, etc.)
● Montage
File Formats
JPEG
GIF
PNG
PSD
It’s a standard image format for containing lossy and compressed image data.
JPEG- Joint Photographic Experts Group
lossless format for image files that supports both animated and static
images. It was the standard for 8-bit colour images on the internet until PNG became a viable alternative.
GIF- Graphics Interchange Format
lossless compression algorithm and no
image data loss
PNG- Portable Network Graphic
It’s an image editing friendly format that supports multiple image layers and various imaging options.
PSD- Adobe Phpotoshop
Color and Tonal Adjustments
Histograms
Navigator Palette
Gamma Settings
Curve Controls
Unsharp Mask Filter
It shows how the pixels are distributed by graphing the number of pixels at each of the 256 brightness levels in an image.
Histograms
Photoshop contains over two dozen
palettes that can be shown or hidden by using the Window menu and selecting the palette you wish to reveal.
Navigator Palette
Gamma correction enables you to adjust how an image is displayed on your monitor.
Gamma Settings
Click directly on the curve line and then drag the control point to adjust a tonal
area.
Curve Controls
sharpens an image by increasing contrast along the edges in an image.
Unsharp Mask Filter
the first tool visible in the default Toolbar. shares space with the Artboard Tool
Move Tool
create a rectangular selection
Rectangular Marquee Tool
create an elliptical selection
Elliptical Marquee Tool
can be a bit difficult to use if you need a precise selection, but it works well for creating a rough selection.
Lasso Tools
creates a selection with straight lines. This tool offers a little more precision than the Lasso Tool.
Polygonal Lasso Tool
an object in your image, allowing more control in your selection than the
Lasso Tool, and more flexibility than the Polygonal Lasso Tool.
Magnetic Lasso Tool
selects a portion of your image that has the same or similar colors.
Magic Wand Tool
selects an object in your image by interpreting and selecting along defined edges visible in your
image.
Quick Selection Tool
allows you to select an object within your photo simply by drawing a
selection around the object.
Object Selection Tool
Photoshop will fill all pixels matching the color of the area you’ve clicked on with your foreground color.
Paint Bucket Tool
fill a selection with a gradient instead of a solid color.
Gradient Tool
