This is used to zoom an object when you click on the button, when ever you click on '+' i.e zomm in button the object will zoom and when you press '-' button it zoom out and when you press 'r' the object will get reset.

PhotoZoom Pro 2 is software for enlarging digital images, available for OS X 10.3+ and Windows. It is based on S-Spline XL: a renewed and improved version of our patented, self-adjusting S-Spline interpolation technology. S-Spline XL is able to render sharp and crisp clear image magnifications, perfectly focused, yet without the jagged edges, loss of detail or lack of photorealism that normally come with enlarging images.

Run your own web server. LogiSphere does it all: motion detection, video broadcast, emailing, archiving, FTP upload, chat server, windows media server, video recording etc.
Use any capturdevice to stream video. Supports more than 800 capture devices
Use the zoom feature with any webcam
Supports TV tuners
Tilt/Pan/Zoom for Logitech Sphere, Creative Live! Motion and TrackerPod

PhotoZoom Pro 2 is software for enlarging digital images, available for OS X 10.3+ and Windows. It is based on S-Spline XL: a renewed and improved version of our patented, self-adjusting S-Spline interpolation technology. S-Spline XL is able to render sharp and crisp clear image magnifications, perfectly focused, yet without the jagged edges, loss of detail or lack of photorealism that normally come with enlarging images.

Asp.net web server component for adding visual zoom & popup effects to your projects. Add images, text or HTML text Popups to your products, icons, pictures,... Simply by dragging the control from the visual studio toolbar to your web form. Crossbrowser & W3C compliant control, Supports : databinding, CSS templates, offset from mouse pointer, many popup directions, custom delays, custom loading messages, url navigation, ...

Inzomia image viewer 3 is a very fast free zooming image viewer that will allow you to spend more time viewing pictures and less time waiting.
It prepares the next image in the background as you are viewing.
It has fullscreen mode and a number of layouts for different types of work.
It can show zip and rar image archives.
It remembers zoom.
It has XML support to integrate into custom solutions.

ProspectV is an image visualization and exploration tools which loads 2D images (BMP, TGA, PNG amd JPG), and using the rendering ability of any 3D video card visualizes them in full screen, at full frame rate and in real-time, using panning, zooms and rotations, according to the camera instructions provided by a simple-text script. PV also supports music (OGG) and sound/speech (WAVE) on two separate channels.

Wallpaper Tuner is a program for customizing the desktop wallpaper. It allows you to precisely position and flexibly zoom the desktop image, use images with the sizes that are not standard for your screen as wallpaper keeping their aspect ratio. The program will be especially useful for those who own wide-screen monitors.

Wallpaper Tuner can be integrated into the Explorer context menu and it has a simple and original interface.

Zoommy is a highly flexible on-screen magnifier. You can zoom out to 4x and zoom in up to 30x, measure the selected area in various units, make its screenshot and know the color of the pixel. The tool allows you to vary the size of the lens as well as fine-tune brightness, contrast and the color mode. Each function can be easily adjusted in one click. Zoommy also features the unique Slow Mouse mode allowing you to navigate with pinpoint accuracy

A perfect tool bar to suit with all your requirements
Search directory tabs contain hundreds of new popular search engines and web sites in categories.
You can save fragments from search results to your reference page. Zoom a single image or the entire page, scroll the page by dragging with mouse right button, make page transparent and more.
Features include, group search by categories, direct search, catalog mode for browsing, anti-spywares.

How to find out the size of something on the screen or to take a closer look at it?

Use Perfect Screen Ruler. You will easily find out the size of any item on the screen, for instance, the size of a button or the distance between two points. You will be able to enlarge the image if necessary. It is useful when you measure some small images or when you need to study the enlarged area of the screen in detail.

Zoom in and save are of your screen. This utility allows you to select and preview an area of your screen, select magnification for it and save it as an image file on your hard disk. You can continiously see a magnified portion of your screen in a preview area, select another area from the preview and save all captured image or a part of it on your hard drive.

Vista Toolbar Icons is a set of splendid stock icons carried out in the style of MS Windows Vista. Icons are thoroughly designed and shine with superb quality so they will indeed ornament your interface and make it look up-to-date and respectable. With Vista Toolbar Icons you'll give your interface a new, fresh look and put an emphasis on reliability of your enterprise. For your convenience icons are delivered in different color depth and sizes.

Reshade now offers its innovative image enlargement technology in the new stand-alone application. Easy to use automatic settings for beginners and advanced controls for professionals make Reshade the perfect choice for anyone. No other image resizer on the market (Photoshop® and third parties included) provides not even close the control level that reshade does. This allows accurate, high quality and realistic enlargements at any zoom factor.