Tuesday, May 12, 2015

Computers-Photoshop

Photoshop

Photoshop is a graphic editor  that allows you to create,modify,combine and optimize digital images.Photoshop creates sophisticated images for both print and web.
You can brighten,darken and change the hue of colors in parts of image with photoshop’s dodge,burn and similar tools.Photoshop’s effects let you easily add drop shadows,3d shading and other styles to images.
After editing,images can be used in a variety of ways.
PHOTOSHOP WORKSPACE
Menu Bar
Displays the menus that contain most of photoshops commands.
Option Bar
Displays controls that let you customize the selected tool in the toolbox.
Toolbox
Displays a variety of icons,each one representing an image editing tool.You click and drag inside your image to apply most of the tools.
Image Window
Contains each image you open in photoshop.
Panels
Small windows that give you access to common commands and resources.You can click the tabs and icons to display and hide panels.
The Photoshop Toolbox
The toolbox contains many separate tools.You can simply click on the tool to select it for working on your image.If you leave your mouse cursor over the tool,photoshop will indicate the name of the tool and the keyboard shortcut to access the tool.A small black arrow in the bottom right corner of the tool indicates additional tools are stacked behind.
Create a new image windows
Photoshop project can be started by creating a blank image.
Click on file.The file menu will open.
Click on new.
Type a name for the image.
Cropping the image
Crop tool can change the size of an image.
Click on crop tool.
Click and drag to select the area of the image you want to keep.
You can click and drag the sides and corner handles to adjust the size of the cropping boundary.
Zoom Tool
With zoom,magnification of an image can be changed.
Selecting with marquee tools
Marquee tools are used to select a rectangular or elliptical area of image.
Selecting Lasso tool
You can create oddly shaped selections with lasso tool.Then you can move,delete,or stylize the selected area using other photoshop commands.
Click on lasso tool.
Click and drag with your cursor to make a selection.
Drag to the beginning point and release the mouse button to complete the selection.

Moving the selection

With the help of move tool,a selection can be moved which helps to rearrange elements of image.

Rubber Stamp Tool

You can clean up small flaws or erase elements in image with the help of rubber stamp tool.The tool copies information from one area of an image to another.

Selecting with Magic Wand Tool

Groups of similarly colored pixels can be selected with the use of Magic Wand tool.

Click on magic wand tool.
Click on the area you want to select inside the image.
Photoshop selects the pixels you clicked and any similarly colored pixels near it.

Using Paintbrush tool

You can use the paintbrush tool to add color to your image.

C lick on the Paintbrush tool.


Click on the rubber stamp in the toolbox.
Click on the down arrow of brush.
Select the brush size and type.
Press the alt key on the keyboard and click the area of the image where you want to copy from.
Click and drag to apply the rubber stamp.
The area is copied to where you click and drag.
Click and drag repeatedly over the area to achieve the desired effect.

Color Modes

You can change the color modes in the picture.

RGB Mode

RGB is the most common mode for working with color images in photoshop.

Click on image in the menu bar.
Click on Mode.
Click on RGB color.
Click on window to view the different color components of an RGB image.
Click on channels.
Click on any channel(Red,Green,Blue).
A grayscale version of the image displays the amount of channels the image contains.

Converting color images to grayscale

To remove the color from your image,you can convert it to grayscale mode.

Click on image in the menu bar.
Click on mode.
Click on grayscale.
Click on Discard.

Foreground and Background colors

A foreground color and a background color can be selected to work in photoshop.

Click on foreground color icon.
Click in the color window to select a color.
Drag the slider or enter the value in the boxes to change the range of color in the window.
Click on OK.


Click on the background Color icon.
The color picker dialog box will open.
Click in the color window to select a color.
Drag the slider to change the range of color in the window.
Click on OK.

Selecting color using Eyedropper Tool

You can select a color from an open image with the eyedropper tool.This tool enables you to paint using a color already present in your image.

Click on the eyedropper tool.
Place the eyedropper tool over an open image and click to select the color under eyedropper tool’s tip.



Brightness and Contrast

You can adjust the brightness and contrast of image.

Click on Image in the menu bar.
Click on adjustments.
Click on Brightness/Contrast.
To lighten the image,click and drag the brightness:slider to the right,or darken the image by dragging it to the left.
To increase the contrast,click and drag the contrast:slider to the right,or to decrease contrast,drag it to the left.
Click on OK.


Color Balance

To change the amount of specific colors in your image,you can use the color balance command.
Click on Image in the menu bar.
Click on adjustments.
Click on color balance.
Select the radio button of tones in the image that you want to affect.
Click and drag the color slider to adjust the color or type a number from -100 to 100 in the color levels:field.
Click on OK.


Using Dodge Effect

You can use the dodge tool to lighten a specific area of an image.Dodge is a photographic term that describes the diffusing of light when developing a film negative.

Click on the dodge tool.
Click on the down arrow button of brush:menu and choose the brush size and type that you would like to use.
You can also select the range of colors you want to affect.
Click and drag over the area that you want to lighten.

Using Burn Effect

You can use the burn tool to darken a specific area of an image.Burn is a photographic term that describes the focusing of light when developing a film negative.

Click and hold the dodge tool.A box appears.
Click the burn tool in the box that appears.
Click on the down arrow button of brush:menu and choose the brush size and type.
You can also select the range of colors you want to affect.
Click and drag over the area that you want to darken.