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World of C Programming: Graphics Lab

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World of C Programming: Graphics Lab World of C Programming This is a try to put the solutions of each possible problem related to C and C++. You can find here C vital lab, C++ vital Lab, Data Structure Lab, DAA Lab, Operating System Lab, Graphics Lab, Compiler Lab, Network Lab, and other problems. Pages Home Welcome C vital lab C++ vital Lab DSA Lab DAA Lab OS Lab Graphics Lab Compiler Lab Network Lab PROBLEMS FORUM Showing posts with label Graphics Lab. Show all posts Showing posts with label Graphics Lab. Show all posts Sunday, 23 June 2013 Midpoint ellipse drawing algorithm /* compiler- Turbo c++ author- Mangilal Sharma =================================*/  #include<graphics.h>#include<conio.h>#include<stdio.h>void plotpoints(int cx, int cy, int x, int y){    putpixel(cx + x, cy + y, 4);    putpixel(cx - x, cy + y, 4);    putpixel(cx + x, cy - y, 4);    putpixel(cx - x, cy - y, 4);}void main(){    int cx, cy, rx, ry;    printf("Enter the part-way ");    scanf("%d%d", &cx, &cy);    printf("x radius : ");    scanf("%d", &rx);    printf("y radius : ");    scanf("%d", &ry);    long rx2 = (long) rx * rx;    long ry2 = (long) ry * ry;    long trx2 = 2 * rx2;    long try2 = 2 * ry2;    long p, x = 0, y = ry;    long px = 0;    long py = trx2 * y;    p = (long) ((ry2 - (rx2 * ry) + (0.25 * rx2)) + 0.5);    int gd = DETECT, gm = DETECT;    initgraph(&gd, &gm, "");    cleardevice();    putpixel(cx, cy, 15);    while (px < py) {    plotpoints(cx, cy, x, y);    x++;    px += try2;    if (p < 0)        p += ry2 + px;    else {        y--;        py -= trx2;        p += ry2 + px - py;    }    }    py = trx2 * y;    px = try2 * x;    p = (long) ((ry2 * (x + 0.5) * (x + 0.5) + rx2 * (y - 1) * (y - 1) - rx2 * ry2) + 0.5);    while (y >= 0) {    plotpoints(cx, cy, x, y);    y--;    py -= trx2;    if (p > 0)        p += rx2 - py;    else {        x++;        px += try2;        p += rx2 - py + px;    }    }    getch();} /*=============================19Nov.,2010=============================*/   Posted by Mangi Lal Sharma at 6/23/2013 12:15:00 am No comments: Links to this post Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest Labels: Graphics Lab Midpoint whirligig drawing algorithm /* compiler- Turbo c++ author- Mangilal Sharma ================================= Midpoint whirligig algorithm=================================================*/  #include<graphics.h> #include<conio.h> #include<stdio.h> void plotpoints(int x, int y, int cx, int cy) {     putpixel(cx + x, cy + y, 4);     putpixel(cx - x, cy + y, 4);     putpixel(cx + x, cy - y, 4);     putpixel(cx - x, cy - y, 4);     putpixel(cx + y, cy + x, 4);     putpixel(cx - y, cy + x, 4);     putpixel(cx + y, cy - x, 4);     putpixel(cx - y, cy - x, 4); } void main() {     int cx, cy, x = 0, y, r, p;     int gd = DETECT, gm = DETECT;     clrscr();     printf("Enter the part-way \n");     scanf("%d%d", &cx, &cy);     printf("Enter the radius : ");     scanf("%d", &r);     y = r;     p = 1 - r;     initgraph(&gd, &gm, "");     cleardevice();     while (x < y) {     plotpoints(x, y, cx, cy);     x++;     if (p < 0)         p += 2 * x + 1;     else {         y--;         p += 2 * (x - y) + 1;     }     }     getch(); } /*=============================19Nov.,2010=============================*/ Posted by Mangi Lal Sharma at 6/23/2013 12:08:00 am No comments: Links to this post Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest Labels: Graphics Lab Bresenham's line drawing algorithm /* compiler- Turbo c++ author- Mangilal Sharma =================================*/  #include<stdio.h> #include<conio.h> #include<graphics.h> #include<math.h> void swap(int &x, int &y) {     int k = x;     x = y;     y = k; } void main() {     int gd = DETECT, gm = DETECT, x1, x2, y1, y2, dx, dy, p, k;     bladder m = 0;     clrscr();     printf("Enter the sarting point x1 & y1\n");     scanf("%d%d", &x1, &y1);     printf("Enter the end point x2 & y2\n");     scanf("%d%d", &x2, &y2);     dx = abs(x2 - x1);     dy = abs(y2 - y1);     m = (float) (y2 - y1) / (x2 - x1);     initgraph(&gd, &gm, "");     cleardevice();     if (fabs(m) > 1) {     swap(x1, y1);     swap(x2, y2);     swap(dx, dy);     }     if ((x1 > x2)) {     x1 = x2;     y1 = y2;     }     p = 2 * dy - dx;     for (k = 0; k < abs(dx); k++) {     if (p < 0) {         p = p + 2 * dy;     } else {         if (m < 0)         y1--;         else         y1++;         p = p + (2 * dy) - (2 * dx);     }     if (fabs(m) <= 1)         putpixel(x1++, y1, 15);     else         putpixel(y1, x1++, 15);     }     getch(); } /*=============================19Nov.,2010=============================*/ Posted by Mangi Lal Sharma at 6/23/2013 12:02:00 am No comments: Links to this post Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest Labels: Graphics Lab Saturday, 22 June 2013 DDA (Digital differential analyzer) Line Drawing Algorithm /* compiler- Turbo c++ author- Mangilal Sharma ================================= DDA (Digital differential analyzer) Line Drawing Algorithm========================*/  #include <graphics.h> #include <stdio.h> #include <conio.h> #include <math.h> void main() {     int gd = DETECT, gm = DETECT, s, dx, dy, m, x1, y1, x2, y2;     bladder xi, yi, x, y;     clrscr();     printf("Enter the sarting point x1 & y1\n");     scanf("%d%d", &x1, &y1);     printf("Enter the end point x2 & y2\n");     scanf("%d%d", &x2, &y2);     initgraph(&gd, &gm, "");     cleardevice();     dx = x2 - x1;     dy = y2 - y1;     if (abs(dx) > abs(dy))     s = abs(dx);     else     s = abs(dy);     xi = dx / (float) s;     yi = dy / (float) s;     x = x1;     y = y1;     putpixel(x1, y1, 4);     for (m = 0; m < s; m++) {     x += xi;     y += yi;     putpixel(x, y, 4);     }     getch(); } /*=============================19Nov.,2010=============================*/ Posted by Mangi Lal Sharma at 6/22/2013 10:19:00 pm No comments: Links to this post Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest Labels: Graphics Lab Thursday, 29 November 2012 introduction of C graphics /*Program to impelement vital introduction of C graphics compiler- Turbo c++     author- Mangilal Sharma --------------------------------------------------------*/ #include<graphics.h> #include<conio.h> void main() {  int gd = DETECT, gm;  initgraph(&gd, &gm, "c:\tc\bgi ");  circle(200, 100, 150);  getch();  closegraph(); } /*=========================4Aug.,2012=============================*/ Posted by Mangi Lal Sharma at 11/29/2012 08:57:00 am No comments: Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest Labels: Graphics Lab Older Posts Home Subscribe to: Posts (Atom) Labels DSA Lab (20) C vital lab (16) OS Lab (12) DAA Lab (7) Graphics Lab (5) C++ vital lab (4) Attention (3) Compiler Lab (3) FORUM (1) Problems (1) Welcome (1) Feedjit Feedjit Live Blog Stats About Me Mangi Lal Sharma View my well-constructed profile My other blogs mangilalsaraswat.blogspot.com Total Pageviews Get My Help To Write Your Program mangilalsharma Fiverr Seller Main Skills: WordPress, C, C++, Java, PHP. 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