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3. exam safest cryptocurrency exchange
4. From cga, 8 Hours ago, written in Plain Text.
5. URL https://pastebin.pl/view/c100958d
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9.      
10.  
11. 1)draw coordinate axis at centre of screen
12. #include<graphics.h>
13. #include<conio.h>
14. void main()
15. {
16. int gd=DETECT,gm,xcen,ycen;
17. initgraph(&gd;,&gm;,"C:\\TC\\BGI");
18. xcen=getmaxx()/2;
19. ycen=getmaxy()/2;
20. line(xcen,0,xcen,getmaxy());
21. line(0,ycen,getmaxx(),ycen);
22. getch();
23. closegraph();
24. }
25.  
26. 2)
27. a. Develop the program for DDA Line drawing algorithm.
28. CODE:
29. #include<stdio.h>
30. #include<conio.h>
31. #include<graphics.h>
32. #include<math.h>
33. #include<dos.h>
34. void main()
35. {
36. int gd=DETECT,gm;
37. float x1,y1,x2,y2,i,dx,dy,m;
38. printf("\nEnter the x1 and y1 coordinate: ");
39. scanf("%f%f",&x1;,&y1;);
40. printf("\nEnter the x2 and y2 coordinate: ");
41. scanf("%f%f",&x2;,&y2;);
42. m=(y2-y1)/(x2-x1);
43. initgraph(&gd;,&gm;,"C:\\TC\\BGI");
44. for(i=x1;i<=x2;i++)
45. {
46. if(m<1)
47. {
48. dx=x1+1;
49. dy=y1+m;
50. }
51. else if(m>1)
52. {
53.  
54. }
55. else
56. {
57.  
58. }
59. dx=x1+(1/m);
60. dy=y1+1;
61.  
62. dx=x1+1;
63. dy=y1+1;
64.  
65. abs(dx);
66. abs(dy);
67. putpixel(dx,dy,15);
68. x1=dx;
69. y1=dy;
70. delay(50);
71. }
72. outtextxy(x2,y2,"DDA LINE");
73. getch();
74. closegraph();}
75.  
76. 3)
77. 5A WRITE A PROGRAM TO IMPLEMENT 2D SCALING
78. A1 WRITE A PROGRAM TO SCALE 2D LINE
79. CODE:
80. #include<conio.h>
81. #include<stdio.h>
82. #include<graphics.h>
83. void main()
84. {
85. float x1,x2,y1,y2,sx,sy;
86. int gd=DETECT,gm;
87. printf("\nEnter Start Cooridinate (x1,y1): ");
88. scanf("%f%f",&x1;,&y1;);
89. printf("\nEnter the End Cooridinate(x2,y2): ");
90. scanf("%f%f",&x2;,&y2;);
91.  
92. printf("'\nEnter Scaling Parmeters: ");
93. scanf("%f%f",&sx;,&sy;);
94. initgraph(&gd;,&gm;,"C:\\TC\\BGI");
95. line(x1,y2,x2,y2);
96. outtextxy(x1,y1,"Line Before Scaling");
97. x1=x1*sx;
98. y1=y1*sy;
99. x2=x2*sx;
100. y2=y2*sy;
101. line(x1,y1,x2,y2);
102. outtextxy(x1,y1,"Line After Scaling");
103. getch();
104. closegraph();
105. }
106.  
107. 4)
108. A)Develop a simple text screen saver using graphics functions.
109. #include <stdio.h>
110. #include <stdlib.h>
111. #include <graphics.h>
112. #include <conio.h>
113. #include <dos.h>
114. void main()
115. {
116. int
117. gdriver=DETECT,gmode,col=480,row=640,font=4,direction=2,size=8,col
118. or=15;
119. initgraph(&gdriver;,&gmode;,"C:\\TurboC3\\BGI");
120. cleardevice();
121. while(!kbhit()){
122. settextstyle(random(font),random(direction),random(size));
123. setcolor(random(color));
124. outtextxy(random(col),random(row),"Komal");
125. delay(250);
126. }
127. closegraph();
128. }
129.  
130. 5)
131. B. Draw a simple hut on the screen.
132.  
133. CODE:
134. #include<graphics.h>
135. #include<conio.h>
136. void main()
137. {
138. int gd=DETECT, gm;
139. initgraph(&gd;,&gm;,"C:\\TC\\BGI");
140. rectangle(150,180,250,300);
141. rectangle(250,180,420,300);
142. rectangle(180,250,220,300);
143. line(200,100,150,180);
144. line(200,100,250,180);
145. line(200,100,370,100);
146. line(370,100,420,180);
147. getch();
148. closegraph();
149. }
150.  
151. 6)
152. A. Divide your screen into four region, draw circle, rectangle, ellipse and
153. half ellipse in each region
154.  
155. CODE:
156. #include<graphics.h>
157. #include<conio.h>
158. void main()
159. {
160. int gd=DETECT,gm,xcen,ycen;
161. initgraph(&gd;,&gm;,"C:\\TC\\BGI");
162. xcen=getmaxx()/2;
163. ycen=getmaxy()/2;
164. line(xcen,0,xcen,getmaxy());
165. line(0,ycen,getmaxx(),ycen);
166. rectangle(xcen+50,ycen-200,xcen+200,ycen-50);
167. ellipse(xcen-xcen/2,ycen+ycen/2,0,360,100,50);
168. ellipse(xcen+xcen/2,ycen+ycen/2,0,180,100,50);
169. getch();
170. closegraph();
171. }
172. 7)
173. B) Perform smiling face animation using graphic functions.
174. #include<stdio.h>
175. #include<conio.h>
176. #include<graphics.h>
177. #include<stdlib.h>
178. void main()
179. {
180. int gd=DETECT,gm,x=250,y=250;
181. initgraph(&gd;,&gm;,"C:\\TC\\BGI");
182. cleardevice();
183. while(!kbhit())
184. {
185. setfillstyle(SOLID_FILL,14);
186. fillellipse(x,y,100,100);
187. setfillstyle(SOLID_FILL,random(6));
188. fillellipse(x-30,y-30,20,40);
189. fillellipse(x+30,y-30,20,40);
190. setcolor(random(3));
191. ellipse(x,y+10,180,0,60,50);
192. delay(500);
193. }
194. closegraph();
195. }
196.  
197. 8)
198. 5B: WRITE A PROGRAM TO IMPLEMENT 2D Translation
199. B1 WRITE A PROGRAM TO IMPLEMENT 2D Translation on a line
200. CODE:
201. #include<stdio.h>
202. #include<conio.h>
203. #include<graphics.h>
204. void main()
205. {
206. int gd=DETECT,gm;
207. float Tx,Ty,x1,y1,x2,y2;
208. printf("Enterthe coordinates(x1,y1):");
209.  
210. SYIT CGA Practical
211.  
212. Komal Jambhale 6
213. scanf("%f%f",&x1;,&y1;);
214. printf("Enterthe second coordinations(x1,y2)");
215. scanf("%f%f",&x2;,&y2;);
216. printf("Enterthe translation parameter(Tx,Ty)");
217. scanf("%f%f",&Tx;,&Ty;);
218. initgraph(&gd;,&gm;,"C:\\TC\\BGI");
219. line(x1,y1,x2,y2);
220. outtextxy(x1,y1,"Before Translation");
221. x1=x1+Tx;
222. y1=y1+Ty;
223. x2=y2+Tx;
224. y2=y2+Ty;
225. line(x1,y1,x2,y2);
226. outtextxy(x2,y2,"After Translation");
227. getch();
228. closegraph();
229. }
230.