Chapter 3: Painting and Drawing with Color

1) Brush Palette

   - contains an unlimited number of options and settings to create and customize brushes. 

  

2) Brush Tool

  - add color to an image or to retouch area of an image.
  - only work on pixels and not on vector image.        

3) Creating Blends

  - smooth transition between 2 or more colors.
  - affect how paint interacts with the pixels underneath the painted area.
  - affects the transparency of the color, pattern, or effect.

4) Eraser Tool

• Normal Eraser Tool

          - Background layer : paints with the background color

          - Normal layer        : erases all data, making that area transparent 

          

• Background Eraser Tool

          - deletes the background pixels of a layer

• Magic Eraser Tool

          - erasers pixels of the same color of the area that was clicked.

Chapter 2: Viewing And Managing Document

1) Color Modes 

      -Visible Spectrum are colors that can be seen by the human eye.
      - Gamut are range of colors that can be produced by a process or device.

• RGB mode ( Red, Green, Blue)
• CYMK mode ( Cyan, Magenta, Yellow & Black)
• Indexed Color
• Grayscale or Bitmap

2) Correcting mistakes using History Palette

     






  -  History palette list recently executed
     commands with the most recent
     command at the bottom.

3) Manipulating Onscreen Image Size

   

                       


              Image > Image Size

Chapter 1

1) How to open / save images

• to open : file > >open
•  to save  : file>>save

2)Types of file format

• PSD (Photoshop document)
• PDF (Portable document format)
• PSB (Large document format)
• TIFF (Tagged image file format)

3)Pixel (picture element)

• An image resolution is the number of pixels per inch of the image
• The higher the resolution the more detailed is the image
• A higher resolution will also result in an increase of file size
  
  

4)Relationship between on screen size and print size

          Formula to determine the printed size of a photoshop image :-

                    On screen size/Resolution = Printed width

Photoshop workspace