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Programming language

Source code of a simple computer program written in the C programming language, which will output the "[world]!" message when  compiled and run A programming language is a  formal constructed language designed to communicate instructions machine, particularly a  computer Programming languages can be used to create programs to control the behavior of a machine or to express  algorithms. Use of programming language A programming language is a special language programmers use to develop applications, scripts, or other set of instructions for computers to execute.

Definitions

A programming language is a notation for writing programs, which are specifications of a computation or algorithm. Some, but not all, authors restrict the term "programming language" to those languages that can express all possible algorithms. Traits often considered important for what constitutes a programming language include

Function and target

A computer programming language is a language used to write computer programs, which involve a computer performing some kind of computation or algorithm and possibly control external devices such as printers, disk drives, robots, and so on. For example, PostScript programs are frequently created by another program to control a computer printer or display. More generally, a programming language may describe computation on some, possibly abstract, machine. It is generally accepted that a complete specification for a programming language includes a description, possibly idealized, of a machine or processor for that language. In most practical contexts, a programming language involves a computer; consequently, programming languages are usually defined and studied this way. Programming languages differ from natural languages in that natural languages are only used for interaction between people, while programming languages also allow humans to communicate instructions to machines.

C programming examples

[programming examples]

These programs illustrate various programming elements, concepts such as usin g ope rators, loop s , functions,single and double dimensionalarrays, performing operations on strings, files, pointers etc. Browse the code from simple c program to complicated ones you are looking for, every one of them is provided with output. C program download with executable files, so that you save on your computer and run programs without compiling the source code. All programs are made using c programming language and Codeblocks, most of these will work under Dev C++ compiler also. Download software you need to develop codes.The first program prints "Hello World" on screen.

Computer Graphics Programming

Here on the computer graphics lots of programs are available om this website you computer graphics all functions available with output. All program are divided into three parts.Computer graphics function, computer graphics programs and game.

Computer Graphics function

This interface provides access to a simple graphics library that makes it possible to draw lines, rectangles, ovals, arcs, polygons, images, and strings on a graphical window.

C graphics using 'graphics.h' functions or WinBGIM (Windows 7) can be used to draw different shapes, display text in different fonts, change colors and many more. Using functions of graphics.h in Turbo C compiler you can make graphics programs, animations, projects, and games. You can draw circles, lines, rectangles, bars and many other geometrical figures. You can change their colors using the available functions and fill them. Following is a list of functions of graphics.h header file. Every function is discussed with the arguments it needs, its description, possible errors while using that function and a sample C graphics program with its output.

arc

Syntax

#include <graphics.h > void arc(int x, int y, int stangle, int endangle, int radius);

Description

arc draws a circular arc in the current drawing color centered at (x,y) with a radius given by radius. The arc travels from stangle to endangle. If stangle equals 0 and endangle equals 360, the call to arc draws a complete circle. The angle for arc is reckoned counterclockwise, with 0 degrees at 3 o'clock, 90 degrees at 12 o'clock, and so on.

C programming source code for arc

/* arc example */

#include <graphics.h>

#include <stdlib.h>

#include <stdio.h>

#include <conio.h>

int main(void)

{

/* request autodetection */

int gdriver = DETECT, gmode, errorcode;

int midx, midy;

int stangle = 45, endangle = 135;

int radius = 100;

/* initialize graphics and local variables */

initgraph(&gdriver, &gmode, "");

/* read result of initialization */

errorcode = graphresult();

if (errorcode != grOk) { /* an error occurred */

printf("Graphics error: %s\n", grapherrormsg(errorcode));

printf("Press any key to halt:");

getch();

exit(1); /* terminate with an error code */

}

midx = getmaxx() / 2;

midy = getmaxy() / 2;

setcolor(getmaxcolor());

/* draw arc */

arc(midx, midy, stangle, endangle, radius);

/* clean up */

getch();

closegraph();

return 0;

}

Computer Graphics Programs

Cg (short for C for Graphics) is a high-level shading language developed by Nvidia in close collaboration with Microsoft for programming vertex and pixel shaders. Cg is based on the C programming language and although they share the same syntax, some features of C were modified and new data types were added to make Cg more suitable for programming graphics processing units. This language is only suitable for GPU programming and is not a general programming language. The Cg compiler outputs DirectX or OpenGL shader programs. Since 2012, Cg was deprecated, with no additional development or support available.

Game Programming

Before we actually jump into game programming, we need to know something called event driven programming. Event driven programming refers to that style of programming wherein the user of the application is free to choose from several options rather than be confined to a predetermined sequence of interactions with the program. Game programming is one common example of event driven programming. A game is a closed, i.e., complete and self sufficient formal system that represents a subset of reality. A game is a perfect combination of actions-reactions or event-responses where every response is based on the most-recently occurred event.