1. Introduction

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dobe Photoshop CS is the latest in a parade of versions of the world’s leading professional image-editing program since its beginnings, Photoshop has moved far beyond its original purpose as a mere digital darkroom. The program is widely used for prepress photograph preparation; for special effects; to reinterpret photographs as paintings; and for creating graphic elements for use in presentations, video, film, and print projects. Version CS extends the program to make it even more useful for isolating subjects from their backgrounds to create what are called knockouts. In addition, for the first time, Photoshop is fully capable of preparing image for the Web and of creating interactive Web graphics.

2. Run Photoshop

1. Go to Start
2.  Point to Programs
3.   Point to Adobe
4.  Click on Adobe Photoshop CS

3. Creating a New Image:

The New command is used to create a blank image/canvas.

To base the image dimensions and resolution (Photoshop) on the Clipboard contents, if the Clipboard does not contain image data, the image dimensions and resolution are based on the last image you created.

(Photoshop) To base the image size on the default dimensions and resolution or the last entered settings, hold down Alt when you choose File >New.

            1.         File menu>New
                        Or,

            2.         Hold down the CTRL key and double click on blank area.

4. Resolution:

The number of pixels displayed per unit of printed length in an image, usually measured in pixels per inch (ppi). In Photoshop, you can change the resolution of an image.

In Photoshop, image resolution and pixel dimensions are interdependent. The amount of detail in an image depends on its pixel dimensions, while the image resolution controls how much space the pixels are printed over. For example, you can modify an image's resolution without changing the actual pixel data in the image--all you change is the printed size of the image. However, if you want to maintain the same output dimensions, changing the image's resolution requires a change in the total number of pixels.

            -           Type the 72 pixel/inch resolution for web and 300 for print. 

5. Mode:

A color mode determines the color model used to display and print images. Photoshop bases its color modes on established models for describing and reproducing color. Common models include HSB (hue, saturation, brightness); RGB (red, green, blue); CMYK (cyan, magenta, yellow, black); and CIE Lab. Photoshop also includes modes for specialized color output such as Indexed Color and Duotone. In addition to determining the number of colors that can be displayed in an image, color modes affect the number of channels and the file size of an image.

-           Choose RGB for web and CMYK for print from the mode dropdown list.

            -           Choose White from the contents and click on Ok. 

6. Canvas Size:

The Canvas Size command lets you add or remove work space around an existing image. You can crop an image by decreasing the canvas area. Added canvas appears in the same color or transparency as the background.

To use the Canvas Size command:

¨       Choose Image > Canvas Size

¨       Choose the units of measurement you want.

Do one of the following:

¨       Enter the dimensions you want the canvas to be in the Width and Height boxes.

¨       Select Relative, and enter the amount by which you want to increase or decrease the size of the canvas. (Enter a negative number to decrease the size of the canvas.)

¨       For Anchor, click a square to indicate where to position the existing image on the new canvas.

¨       Click OK. 

7. Open Image: Open Image:

You can open files using the Open command and Open Recent command. In Photoshop, you can also open files using the File Browser.

There may be instances when Photoshop cannot determine the correct format for a file. For example, transferring a file between Mac OS and Windows can cause the format to be mislabeled. In such cases, you must specify the correct format in which to open the file.

¨       Choose File > Open.

¨       Select the name of the file you want to open. If the file does not appear, select the option for showing all files from the Files of Type pop-up menu.

¨       Ok.