COMPUTER GRAPHICS

                               COMPUTER GRAPHICS 

INTRODUCTION :

                                 Graphics means representing any information in the form of graphs . Graphics is used in almost all types of computers. All the operating systems there days make the use of computer graphics. As for beginners , in C programming here we only dealing with command line interface . C also provides facility of graphics under the header file graphics.h  . C graphics has two capabilities -text handling and regular graphics .

1. Text mode-graphics functions 

It is possible to display or capture only text in terms of ASCII value. The text mode functions are concerned with placing text in certain areas of screen . These functions can work with any monitor and adapter .The text mode can be displayed in two forms as 25 rows and 80 columns and vice versa . some of text mode functions are :

• Windows()
• Cputs()
• clrscr()
• putch()
• Gotoxy 

2. Graphics mode ()

       This mode supports both text as well as graphics. The graphics mode depends upon the picture elements. some function of it are as follow:

• Initgraph()
• Closegraph()
• circle()
• Arc()