Computer Graphics
Graphics Functions in C
List of Graphics Functions in C initgraph( ); Initializes the graphics system. Declaration: void far initgraph (int far *graphdriver, int far *graphmode, char far *path to driver); Remarks: To start the graphics system, you must first call initgraph. Initgraph Initializes the graphics system by loading a graphics driver from Disk (or validating a registered driver) … Read more
Introduction of Computer graphics using C
‘C’ is the language of choice for the system programming. It also provides the facility to draw the graphics on the screen. All the graphical related functions are kept in the header file graphics.h. C is a popular programming language. It supports computer graphics and provides number of standard library functions for drawing regular diagrams … Read more
Three Dimensional Devices
Though the display on the CRT monitor always presents a 2 dimensional picture, it is not necessary that the data stored in the computer about the picture also should be two-dimensional. In particular, when one is taking data from 3-dimensional models it becomes necessary to map input data, which is 3-dimensional in nature into the … Read more
The light Pen in computer
We know that every pixel on the screen that is a part of the picture emits light. In fact they are much brighter than their surrounding pixels. All that the light pen does is to make use of this light signal to indicate the position. A small aperture is held against the portion of the … Read more
TABLETS in Computer
The Tablets work on the principle of sound and its speed through which the position of the pointer on the screen will be decided. It makes use of flat surface on which we are writing with a stylus. The stylus tip is covered with material called ceramic. It makes sound when writing on the flat … Read more
Input Devices in computer
List of Input Devices in computer Mouse: The mouse consists of a small plastic box resting on a metal wheel . It was developed originally at Stanford Research Institute. The wheel of the mouse is connected to two variable resistors that deliver analog voltage for every incremental rotation of the wheel. As the mouse is … Read more
Laser Scan Display in computer graphics
The laser-scan display is one of the high resolutions, large screen display device. It is capable of displaying an image measuring 3 by 4 feet and still has good resolution. The main principle behind working of this display device is light source mixed with laser light and the deflection of laser light according to the … Read more