Adobe Photoshop

T.Ahlam Algharasi

Adobe Photoshop

• Adobe Photoshop is a seriously powerful photo and image edit ( treating and manipulation, compositing, converting to different formats, printing, etc.)

Creating a New Document

• Creating a New Document– To create a new document in Photoshop, select

File > New from the Menu Bar.– A dialog box will appear such as the one shown

below:

Creating a New Document

• A. Document Name – Set the document name here (optional).

• B. Presets – Choose a document size from a list of presets.

• C. Document Dimensions – Set the width and height of the document here.

Creating a New Document

• D. Document Units – Set the units of the dimensions of the document. Pixels should be your typical choice for any work you’re displaying on the web or on a monitor.

• E. Resolution – Set the Resolution of the document. Resolution typically means the number of dots (or pixels) per inch. – In printing, you typically want a high value here (300 or

higher), which will also increase the documents size. However, for web based work, or on-screen work, 72 is the default resolution.

Creating a New Document

• F. Color Mode – Set the color mode of the document. Unless you are doing special printing, you typically will be working with RGB Color (Red/Green/Blue).

• G. Background Contents – Set up the background for your

The Work Area

The Work Area

• A. Menu Bar – An organized menu area categorized by the type of task being handled.

• B. Options Bar – Contains options for the currently selected tool.

• C. Tool Bar – Contains a wide selection of available tools in Photoshop, as well as the Foreground Color, Background Color, and other features.

• D. Document Window – The Containing Window of a document being worked on inside of Photoshop.

The Work Area• E. Active Image Area – The Document Window

contains the Active Image Area (Shown in White above). This is the area an artist works in.

• F. Navigator – A small version of the current documents active image area. Used for navigating large images, or when zoomed in.

• G. Color Palette – A palette used to select foreground and background colors for painting / drawing with.

The Work Area

• H. History – Constantly updating record of previous changes made inside of a document. Can be used to reverse steps taken (Undo).

• I. Layers - Layers in Photoshop allow you to work on a single canvas, letting some things appear above or below others.

The ToolBox

Layers• layers are used to work on individual parts of an

image while not affecting other parts. You might say that layers are like transparency papers stacked on top of one another which can be repositioned and separately drawn on without disturbing each other.

Layers

Layers

Layers

• Create new layer in Photoshop – To create empty layer, click on the create a new layer

button.

Layers

• Rename Photoshop Layer– you can double-click on the layer label, the label will then

turn into text box for you to enter new name.– or by right click on the layer and then select layer

properties…, enter a new name into the Name field.

Layers

• Creating new layer from existing image – First, select the lasso tool to select a part of an image.– Right click the selected area and select Layer via Copy or

Layer via Cut. Both command will create a new layer with the selected image area in it.

Layers

• Group layers in Photoshop .• Create a group from the icon Create a new set then move

the layers into the folder.

Layers

• Merge Layers in Photoshop• When you want to combine layer back into one piece, you

can do so by merging the layer.• There are 3 way to merge layer:– Merge Layer will merge all the selected layer into one layer.– Merge Down will merge the selected layer to its lower layer.– Merge Visible will merge all the visible layer into one layer.

• Duplicate layer in Photoshop • Right click on the layer > Duplicate layer.• Select Layer > Duplicate Layer

Layers

• Lock all: If the box is checked the layer is totally protected from any editing.

• Lock Position: You can make any changes except for moving the image.

• Lock Image pixels: You cannot draw on this layer if checked.

• Lock transparent: You can paint on this layer but not where it is transparent

Layers

• Layer opacity: Adjusts how transparent each layer is. 0 is completely transparent, 100 is completely opaque.

• Blending mode: Changes the way the layers interact with each other.

Selection Tools

• The selection tools are used to facilitate the process of making selections of shapes, colors, and objects inside of Photoshop, and positioning them in the working image area. With tools like the magnetic lasso and magic wand.

Marquee Tools

• Marquee Tools– are used to make rectangular, elliptical, horizontal

and vertical line selections. To create a selection with a marquee tool, simple hold down your mouse button over the active image area, and drag out your shape.

Marquee Tools

• Note :– When making selections with the Rectangular

Marquee Tool or Elliptical Marquee Tool, it’s possible to make perfect square and circular selections by holding shift when drawing our your selection.

Lasso Tools

• The Lasso Selection Tools– allow you to make selections of irregular shapes.

Using the ordinary lasso tool, simply click and drag a freehand selection with your mouse.

– You can toggle between freehand and straight line mode by pressing the Alt/Option key while you are drawing the selection.

Polygonal Lasso tool

• The Polygonal Lasso tool– is used to draw straight line selections. – You can make the polygonal lasso tool work just like the

regular lasso tool by holding down the Alt key to draw freehand selection.

– One difference with the Polygonal lasso tool is that you can use the Shift key to constrain the selection lines to 45° increments.

– you can press the delete key at any time to remove the last segment. To remove multiple segments, press delete repeatedly.

Questions