Midpoint | Student Projects https://studentprojects.in Microcontroller projects, Circuit Diagrams, Project Ideas Fri, 02 Oct 2009 09:51:23 +0000 en-US hourly 1 https://wordpress.org/?v=6.1.7 C Program to for Midpoint Line algorithm https://studentprojects.in/software-development/c-tutorials/c/graphics/c-program-to-for-midpoint-line-algorithm/ https://studentprojects.in/software-development/c-tutorials/c/graphics/c-program-to-for-midpoint-line-algorithm/#comments Fri, 02 Oct 2009 09:51:23 +0000 http://studentprojects.in/?p=820 Program to implement the Midpoint Line algorithm to generate a line of given slope and thickness. Implement the polyline (many lines) command using this algorithm as a routine that display a set of straight lines between N input points. For n=1 the routine displays a single point.

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]]> Program to implement the Midpoint Line algorithm to generate a line of given slope and thickness. Implement the polyline (many lines) command using this algorithm as a routine that display a set of straight lines between N input points. For n=1 the routine displays a single point.

#include
#include
#include
#include
#include
#define MAX 10

void swap(int* a,int* b)
{
	int t=*a;
	*a=*b;
	*b=t;
}

void midpointline(int x1,int y1,int x2,int y2)
{
	int dx,dy,d,incry,incre,incrne,slopegt1=0;
	dx=abs(x1-x2);dy=abs(y1-y2);
	if(dy>dx)
	{
		swap(&x1,&y1);
		swap(&x2,&y2);
		swap(&dx,&dy);
		slopegt1=1;
	}
	if(x1>x2)
	{
		swap(&x1,&x2);
		swap(&y1,&y2);
	}
	if(y1>y2)
		incry=-1;
	else
		incry=1;
	d=2*dy-dx;
	incre=2*dy;
	incrne=2*(dy-dx);
	while(x1
The post C Program to for Midpoint Line algorithm first appeared on Student Projects.
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