1. Dev C++ Math Library
2. Dev C++ Math Functions

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.

C graphics

C graphics examples

Dev C++ Math Library

1. Drawing concentric circles

Keep in mind that C mathematical operations follow a particular order much the same as high school math. For example, multiplication and division take precedence over addition and subtraction. The order in which these operations are evaluated can be changed using parentheses. Adding, Subtracting, Multiplying and Dividing edit. The classic function notation looks like this: functionName. In the previous snippet we would be calling a function called functionName which doesn't take any values to work properly (if it took any values - we'd put them in the brackets). A classic example of a function is the sqrt function which is defined inside math.h. We used this back. A few days ago, I worked on project in VC. I found out, that math.h in VC differs much from dev-cpp math.h. Particulary its round function, that is not present in Visual C math.h, but is contained in dev-cpp math.

Dev C++ Math Functions

Prev Next All C inbuilt functions which are declared in stdio.h header file are given below. The source code for stdio.h header file is also given below for your reference. List of inbuilt C functions in stdio.h file: Function Description printf This function is used to print the character, string, float, integer, octal and hexadecimal values onto the output screen scanf This function is. Powers and Square Root. Most calculators have a power (e.g., 10 to the 5th power) or square root function. The math is still the same in C, but these are functions within the math library. Header declares a set of functions to compute common mathematical operations and transformations. The sqrt function in C returns the square root of a number. Mathematics √x = sqrt(x) In C Programming This function is defined in header file.

int main()
{
int gd = DETECT, gm;
int x =320, y =240, radius;
initgraph(&gd,&gm,'C:TCBGI');
for( radius =25; radius <=125; radius = radius +20)
circle(x, y, radius);
getch();
closegraph();
return0;
}

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2. C graphics program moving car

int main()
{
int i, j =0, gd = DETECT, gm;

initgraph(&gd,&gm,'C:TCBGI');

settextstyle(DEFAULT_FONT,HORIZ_DIR,2);
outtextxy(25,240,'Press any key to view the moving car');

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for( i =0; i <=420; i = i +10, j++)
{
rectangle(50+i,275,150+i,400);
rectangle(150+i,350,200+i,400);
circle(75+i,410,10);
circle(175+i,410,10);
setcolor(j);
delay(100);

if( i 420)
break;
if( j 15)
j =2;

cleardevice();// clear screen
}

getch();
closegraph();
return0;
}

C graphics functions

C graphics programs

Graphics in Windows 7 or Vista

Most of the functions are two dimensional except bar3d which draws a 3d bar, you can also implement these functions using already existing algorithms. You can also use these functions in C++ programs. You can use these functions for developing programs in Windows 7 and Vista using Dev C++ compiler. For that you need to download an additional package WinBGIm, download WinBGIm. Now open Dev C++ compiler go to Tools->Package Manager, use install button and then browse the package location. Now create a new project and select WinBGIm. This library also offers many functions which can be used for image manipulation, you can open image files, create bitmaps and print images, RGB colors and mouse handling.