A Raster-Scan System is a method of displaying images on a screen by scanning them line by line from top to bottom. This is the most common technique used in CRT (Cathode Ray Tube) monitors, modern LCD/LED screens, and most televisions. In this system, the display is made up of pixels arranged in a rectangular […]

We can create simple animation sequences in our programs using real-time methods. We can produce an animation sequence on a raster-scan system one frame at a time, so that each completed frame could be saved in a file for later viewing. The animation can then be viewed by cycling through the completed frame sequence, or […]

 We can also generate real-time raster animations for limited applications using block transfers of a rectangular array of pixel values.  A simple method for translating an object from one location to another in the xy plane is to transfer the group of pixel values that define the shape of the object to the new location […]

Animation sequence in general is designed in the following steps. 1. Storyboard layout 2. Object definitions. 3. Key-frame specifications 4. Generation of in-between frames.  This approach of carrying out animations is applied to any other applications as well, although some applications are exceptional cases and do not follow this sequence. For frame-by-frame animation, every frame […]

➢ The type within glBegin() specifies the type of the object and its value can be as follows: GL_POINTS ➢ Each vertex is displayed as a point. ➢ The size of the point would be of at least one pixel. ➢ Then this coordinate position, along with other geometric descriptions we may have in our […]

✓ A great deal of graphics development is now done on the Internet. ✓ Computers on the Internet communicate using TCP/IP. ✓ Resources such as graphics files are identified by URL (Uniform resource locator). ✓ The World Wide Web provides a hypertext system that allows users to locate and view documents, audio and graphics. ✓ […]

➔ So far, we have mainly considered graphics applications on an isolated system with a single user. ➔ Multiuser environments & computer networks are now common elements in many graphics applications. ➔ Various resources, such as processors, printers, plotters and data files can be distributed on a network & shared by multiple users. ➔ A […]

A video controller is a crucial component in any computer or multimedia device that manages the display of images, graphics, and videos on a screen. Often integrated into a graphics card or as part of a motherboard chipset, the video controller acts as a communication bridge between the system’s CPU and the display device. Its […]

A video controller is a key hardware component in a computer or multimedia system responsible for managing the display of images, graphics, and videos on a screen. It acts as an interface between the CPU (Central Processing Unit) and the display device such as a monitor, projector, or VR headset. Often integrated into a graphics […]

➢ Touch panels allow displayed objects or screen positions to be selected with the touch of a finger. ➢ Touch panel is used for the selection of processing options that are represented as a menu of graphical icons. ➢ Optical touch panel-uses LEDs along one vertical and horizontal edge of the frame. ➢ Acoustical touch […]