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main.cpp

+
+#include<stdio.h>
+#include<conio.h>
+#include<graphics.h>
+#include<dos.h>
+#include<stdlib.h>
+#include<math.h>
+#include<string.h>
+
+
+struct pixel
+{
+	int x,y,c;
+}pix;
+
+
+union REGS i,o;
+int shape=4,color=15;
+
+		    //shape for selecting button for shape
+		    //color for selecting button for color
+void show();
+void save();
+void magnify(float m);
+void size();
+void select();
+void repaint();
+void square();
+void cirlce();
+void lin();
+void pencil();
+void text();
+void design();
+void fill();
+void rotate();
+void clock_anti(float m);
+
+
+int readwrite(char c[20],char ch[20],int k);
+
+void show()
+{
+
+	FILE *fp;
+	fp= fopen("GRAPHICS.bin","rb");
+	while(!feof(fp))
+	{
+		fread(&pix,sizeof(struct pixel),1,fp);
+		putpixel(pix.x,pix.y,pix.c);
+	}
+	fclose(fp);
+}
+
+void save()
+{
+
+	FILE *fp;
+	int a,b,c;
+	i.x.ax=2;
+	int86(0X33,&i,&o);
+	fp= fopen("GRAPHICS.bin","wb");
+	for(a=0;a<479;a++)
+	{
+		for(b=0;b<479;b++)
+		{
+			c=getpixel(a,b);
+			if(c!=0)
+			{
+				pix.x=a;
+				pix.y=b;
+				pix.c=c;
+				fwrite(&pix,sizeof(struct pixel),1,fp);
+			}
+		}
+	}
+	fclose(fp);
+	i.x.ax=1;
+	int86(0X33,&i,&o);
+}
+
+
+void magnify(float m)
+{
+
+	FILE *fp;
+	float i,j,c;
+	fp= fopen("GRAPHICS.bin","rb");
+	while(!feof(fp))
+	{
+		fread(&pix,sizeof(struct pixel),1,fp);
+		i=pix.x*m;
+		j=pix.y*m;
+		c=pix.c;
+		putpixel(i,j,c);
+	}
+	fclose(fp);
+}
+
+void size()
+{
+	float m=1,y=1;
+	setviewport(0,0,479,479,1);
+	while(1)
+	{
+		i.x.ax=3;
+		int86(0X33,&i,&o);
+		if(o.x.bx==1)
+		{
+			y=0;
+		}
+		if(o.x.bx==0 && shape==9 && y==0)
+		{
+			y=1;
+			m+=0.1;
+			clearviewport();
+			magnify(m);
+		}
+		if(o.x.bx==0 && shape==10 && y==0)
+		{
+			y=1;
+			m-=0.1;
+			clearviewport();
+			magnify(m);
+		}
+		if(!(o.x.cx>490 && o.x.dx>250 && o.x.cx<525 && o.x.dx<290) && shape==9)
+		{
+			break;
+		}
+		if(!(o.x.cx>525 && o.x.dx>250 && o.x.cx<560 && o.x.dx<290) && shape==10)
+		{
+			break;
+		}
+	}
+}
+
+
+void clock_anti(float m)
+{
+
+	FILE *fp;
+	float i,j,c;
+	fp= fopen("GRAPHICS.bin","rb");
+	while(!feof(fp))
+	{
+		fread(&pix,sizeof(struct pixel),1,fp);
+		i=pix.x;
+		j=pix.y;
+		c=pix.c;
+		putpixel(i*cos(m)-j*sin(m)+240*(1-cos(m))+240*sin(m),(i*sin(m)+j*cos(m))+240*(1-cos(m))-240*sin(m),c);
+	}
+	fclose(fp);
+}
+
+
+
+void rotate()
+{
+	float m=0,y=1;
+	setviewport(0,0,479,479,1);
+	while(1)
+	{
+		i.x.ax=3;
+		int86(0X33,&i,&o);
+		if(o.x.bx==1)
+		{
+			y=0;
+		}
+		if(o.x.bx==0 && shape==11 && y==0)
+		{
+			y=1;
+			m-=0.1;
+			clearviewport();
+			clock_anti(m);
+		}
+		if(o.x.bx==0 && shape==12 && y==0)
+		{
+			y=1;
+			m+=0.1;
+			clearviewport();
+			clock_anti(m);
+		}
+		if(!(o.x.cx>560 && o.x.dx>250 && o.x.cx<595 && o.x.dx<290) && shape==11)
+		{
+			break;
+		}
+		if(!(o.x.cx>595 && o.x.dx>250 && o.x.cx<630 && o.x.dx<290) && shape==12)
+		{
+			break;
+		}
+	}
+}
+
+
+
+
+void select()
+{
+	int y=1;
+	while(1)
+	{
+		i.x.ax=3;
+		int86(51,&i,&o);
+		if(o.x.bx==1&&y==1)
+		{
+			y=0;
+		}
+		if(o.x.bx==0&&y==0)
+		{
+			y=1;
+			if(o.x.cx>520 && o.x.dx>10 && o.x.cx<600 && o.x.dx<30)
+			{
+				shape=0;	//clear
+				repaint();
+				delay(500);
+				break;
+			}
+			if(o.x.cx>490 && o.x.dx>40 && o.x.cx<560 && o.x.dx<110)
+				shape=1;	//rectangle
+
+			if(o.x.cx>560 && o.x.dx>40 && o.x.cx<630 && o.x.dx<110)
+				shape=2;	//circle
+
+			if(o.x.cx>490 && o.x.dx>110 && o.x.cx<560 && o.x.dx<180)
+				shape=3;              //line
+
+			if(o.x.cx>560 && o.x.dx>110 && o.x.cx<630 && o.x.dx<180)
+				shape=4;	//pencil
+			if(o.x.cx>490 && o.x.dx>180 && o.x.cx<560 && o.x.dx<250)
+				shape=5;	//text
+			if(o.x.cx>560 && o.x.dx>180 && o.x.cx<630 && o.x.dx<250)
+				shape=6;	//design
+			if(o.x.cx>510 && o.x.dx>450 && o.x.cx<560 && o.x.dx<470)
+				shape=7;	//fill
+			if(o.x.cx>560 && o.x.dx>450 && o.x.cx<610 && o.x.dx<470)
+			{
+				shape=8;	//exit
+				repaint();
+				delay(500);
+				break;
+			}
+			if(o.x.cx>490 && o.x.dx>250 && o.x.cx<525 && o.x.dx<290)
+			{
+				shape=9;	//zoom in
+				repaint();
+				delay(500);
+				break;
+			}
+			if(o.x.cx>525 && o.x.dx>250 && o.x.cx<560 && o.x.dx<290)
+			{
+				shape=10;	//zoom out
+				repaint();
+				delay(500);
+				break;
+			}
+			if(o.x.cx>560 && o.x.dx>250 && o.x.cx<595 && o.x.dx<290)
+			{
+				shape=11;	//clockwise
+				repaint();
+				delay(500);
+				break;
+			}
+			if(o.x.cx>595 && o.x.dx>250 && o.x.cx<630 && o.x.dx<290)
+			{
+				shape=12;	//anticlockwise
+				repaint();
+				delay(500);
+				break;
+			}
+
+			if(o.x.cx>490 && o.x.dx>290 && o.x.cx<525 && o.x.dx<325)      //colors button
+				color=0;
+			if(o.x.cx>525 && o.x.dx>290 && o.x.cx<560 && o.x.dx<325)      //colors button
+				color=1;
+			if(o.x.cx>560 && o.x.dx>290 && o.x.cx<595 && o.x.dx<325)      //colors button
+				color=2;
+			if(o.x.cx>595 && o.x.dx>290 && o.x.cx<630 && o.x.dx<325)      //colors button
+				color=3;
+			if(o.x.cx>490 && o.x.dx>325 && o.x.cx<525 && o.x.dx<360)      //colors button
+				color=4;
+			if(o.x.cx>525 && o.x.dx>325 && o.x.cx<560 && o.x.dx<360)      //colors button
+				color=5;
+			if(o.x.cx>560 && o.x.dx>325 && o.x.cx<595 && o.x.dx<360)      //colors button
+				color=6;
+			if(o.x.cx>595 && o.x.dx>325 && o.x.cx<630 && o.x.dx<360)      //colors button
+				color=7;
+			if(o.x.cx>490 && o.x.dx>360 && o.x.cx<525 && o.x.dx<395)      //colors button
+				color=8;
+			if(o.x.cx>525 && o.x.dx>360 && o.x.cx<560 && o.x.dx<395)      //colors button
+				color=9;
+			if(o.x.cx>560 && o.x.dx>360 && o.x.cx<595 && o.x.dx<395)      //colors button
+				color=10;
+			if(o.x.cx>595 && o.x.dx>360 && o.x.cx<630 && o.x.dx<395)      //colors button
+				color=11;
+			if(o.x.cx>490 && o.x.dx>395 && o.x.cx<525 && o.x.dx<430)      //colors button
+				color=12;
+			if(o.x.cx>525 && o.x.dx>395 && o.x.cx<560 && o.x.dx<430)      //colors button
+				color=13;
+			if(o.x.cx>560 && o.x.dx>395 && o.x.cx<595 && o.x.dx<430)      //colors button
+				color=14;
+			if(o.x.cx>595 && o.x.dx>395 && o.x.cx<630 && o.x.dx<430)      //colors button
+				color=15;
+			repaint();
+			setcolor(color);
+		}
+		if(o.x.cx<480)
+			break;
+	}
+}
+
+void repaint()
+{
+	int i=0;
+	setviewport(0,0,479,479,0);
+	setcolor(15);
+	line(480,0,480,480);         //separate tools and worksheet
+	while(i<2)
+	{
+		if(i==0||shape==0)
+		{
+			rectangle(520,10,600,30);	//clear
+			outtextxy(540,20,"Clear");
+		}
+		if(i==0||shape==1)
+		{
+			rectangle(490,40,560,110);   //button
+			rectangle(510,60,540,90);	//rectangle
+		}
+		if(i==0||shape==2)
+		{
+			rectangle(560,40,630,110);    //button
+			circle(595,75,20);	//circle
+		}
+		if(i==0||shape==3)
+		{
+			rectangle(490,110,560,180);    //button
+			line(510,130,540,160);              //line
+		}
+		if(i==0||shape==4)
+		{
+			rectangle(560,110,630,180);	//button
+			rectangle(590,120,600,160);	//pencil
+			line(590,160,595,170);
+			line(600,160,595,170);
+		}
+		if(i==0||shape==5)
+		{
+			rectangle(490,180,560,250);	//button
+			outtextxy(510,210,"TEXT");		//text
+		}
+		if(i==0||shape==6)
+		{
+			rectangle(560,180,630,250);	//button
+			rectangle(590,190,600,230);	//design
+			line(590,230,590,240);
+			line(600,230,590,240);
+		}
+		if(i==0||shape==7)
+		{
+			rectangle(510,450,560,470);	//button
+			outtextxy(520,460,"FILL");		//text
+		}
+		if(i==0||shape==8)
+		{
+			rectangle(560,450,610,470);	//button
+			outtextxy(570,460,"EXIT");		//text
+		}
+		if(i==0||shape==9)
+		{
+			rectangle(490,250,525,290);	//button
+			line(500,270,513,270);		//zoom in +
+			line(506,263,506,277);
+		}
+		if(i==0||shape==10)
+		{
+			rectangle(525,250,560,290);	//button
+			line(535,270,548,270);		//zoom out -
+		}
+		if(i==0||shape==11)
+		{
+			rectangle(560,250,595,290);	//button
+			circle(578,270,10);    	        //clockwise
+			line(583,275,588,268);
+			line(588,268,593,275);
+		}
+		if(i==0||shape==12)
+		{
+			rectangle(595,250,630,290);	//button
+			circle(612,270,10);		//anticlockwise
+			line(617,268,622,275);
+			line(622,275,627,268);
+		}
+
+
+		if(i==0||color==0)
+		{
+			rectangle(490,290,525,325);      //colors button
+			setfillstyle(SOLID_FILL,0);
+			if(i==0)
+			floodfill(491,291,WHITE);
+			else
+			floodfill(491,291,1);
+		}
+		if(i==0||color==1)
+		{
+			rectangle(525,290,560,325);      //colors button
+			setfillstyle(SOLID_FILL,1);
+			if(i==0)
+			floodfill(526,291,WHITE);
+			else
+			floodfill(526,291,1);
+		}
+		if(i==0||color==2)
+		{
+			rectangle(560,290,595,325);      //colors button
+			setfillstyle(SOLID_FILL,2);
+			if(i==0)
+			floodfill(561,291,WHITE);
+			else
+			floodfill(561,291,1);
+		}
+		if(i==0||color==3)
+		{
+			rectangle(595,290,630,325);      //colors button
+			setfillstyle(SOLID_FILL,3);
+			if(i==0)
+			floodfill(596,291,WHITE);
+			else
+			floodfill(596,291,1);
+		}
+		if(i==0||color==4)
+		{
+			rectangle(490,325,525,360);      //colors button
+			setfillstyle(SOLID_FILL,4);
+			if(i==0)
+			floodfill(491,326,WHITE);
+			else
+			floodfill(491,326,1);
+		}
+		if(i==0||color==5)
+		{
+			rectangle(525,325,560,360);      //colors button
+			setfillstyle(SOLID_FILL,5);
+			if(i==0)
+			floodfill(526,326,WHITE);
+			else
+			floodfill(526,326,1);
+		}
+		if(i==0||color==6)
+		{
+			rectangle(560,325,595,360);      //colors button
+			setfillstyle(SOLID_FILL,6);
+			if(i==0)
+			floodfill(561,326,WHITE);
+			else
+			floodfill(561,326,1);
+		}
+		if(i==0||color==7)
+		{
+			rectangle(595,325,630,360);      //colors button
+			setfillstyle(SOLID_FILL,7);
+			if(i==0)
+			floodfill(596,326,WHITE);
+			else
+			floodfill(596,326,1);
+		}
+		if(i==0||color==8)
+		{
+			rectangle(490,360,525,395);      //colors button
+			setfillstyle(SOLID_FILL,8);
+			if(i==0)
+			floodfill(491,361,WHITE);
+			else
+			floodfill(491,361,1);
+		}
+		if(i==0||color==9)
+		{
+			rectangle(525,360,560,395);      //colors button
+			setfillstyle(SOLID_FILL,9);
+			if(i==0)
+			floodfill(526,361,WHITE);
+			else
+			floodfill(526,361,1);
+		}
+		if(i==0||color==10)
+		{
+			rectangle(560,360,595,395);      //colors button
+			setfillstyle(SOLID_FILL,10);
+			if(i==0)
+			floodfill(561,361,WHITE);
+			else
+			floodfill(561,361,1);
+		}
+		if(i==0||color==11)
+		{
+			rectangle(595,360,630,395);      //colors button
+			setfillstyle(SOLID_FILL,11);
+			if(i==0)
+			floodfill(596,361,WHITE);
+			else
+			floodfill(596,361,1);
+		}
+		if(i==0||color==12)
+		{
+			rectangle(490,395,525,430);      //colors button
+			setfillstyle(SOLID_FILL,12);
+			if(i==0)
+			floodfill(491,396,WHITE);
+			else
+			floodfill(491,396,1);
+		}
+		if(i==0||color==13)
+		{
+			rectangle(525,395,560,430);      //colors button
+			setfillstyle(SOLID_FILL,13);
+			if(i==0)
+			floodfill(526,396,WHITE);
+			else
+			floodfill(526,396,1);
+		}
+		if(i==0||color==14)
+		{
+			rectangle(560,395,595,430);      //colors button
+			setfillstyle(SOLID_FILL,14);
+			if(i==0)
+			floodfill(561,396,WHITE);
+			else
+			floodfill(561,396,1);
+		}
+		if(i==0||color==15)
+		{
+			rectangle(595,395,630,430);      //colors button
+			setfillstyle(SOLID_FILL,15);
+			if(i==0)
+			floodfill(596,396,WHITE);
+			else
+			floodfill(596,396,1);
+		}
+		i++;
+		setcolor(1);
+	}
+
+}
+
+void cirlce()
+{
+	int y=1,m,n,oi,s,p,a;
+	setviewport(0,0,479,479,1);
+	save();
+	while(1)
+	{
+		i.x.ax=3;
+		int86(0X33,&i,&o);
+		if(o.x.bx==1&&y==1)
+		{
+			m=o.x.cx;
+			n=o.x.dx;
+			y=0;
+		}
+		if(o.x.bx==1&&y==0)
+		{
+			i.x.ax=3;
+			int86(0X33,&i,&o);
+			oi=o.x.cx;
+			p=o.x.dx;
+			a=(oi-m)/2;
+			a=a>=0?a:-a;
+			s=(p-n)/2;
+			s=s>=0?s:-s;
+			clearviewport();
+			show();
+			ellipse((m+oi)/2,(n+p)/2,0,360,a,s);
+			delay(60);
+
+			i.x.ax=3;
+			int86(0X33,&i,&o);
+			if(o.x.bx==0)
+			{
+				y=1;
+				save();
+			}
+		}
+		if(o.x.cx>480&&y==1)
+		{
+			break;
+		}
+	}
+}
+
+void square()
+{
+	int y=1,m,n,oi,p;
+	setviewport(0,0,479,479,1);
+	save();
+	while(1)
+	{
+		i.x.ax=3;
+		int86(0X33,&i,&o);
+		if(o.x.bx==1&&y==1)
+		{
+			m=o.x.cx;
+			n=o.x.dx;
+			y=0;
+			i.x.ax=2;
+			int86(0X33,&i,&o);
+		}
+		if(o.x.bx==1&&y==0)
+		{
+			i.x.ax=3;
+			int86(0X33,&i,&o);
+			oi=o.x.cx;
+			p=o.x.dx;
+			clearviewport();
+			show();
+			rectangle(m,n,oi,p);
+			delay(60);
+
+			i.x.ax=3;
+			int86(0X33,&i,&o);
+			if(o.x.bx==0)
+			{
+				y=1;
+				save();
+				i.x.ax=1;
+				int86(0X33,&i,&o);
+			}
+		}
+		if(o.x.cx>480&&y==1)
+		{
+			break;
+		}
+	}
+}
+
+void lin()
+{
+	int y=1,m,n,oi,p;
+	setviewport(0,0,479,479,1);
+	save();
+	while(1)
+	{
+		i.x.ax=3;
+		int86(0X33,&i,&o);
+		if(o.x.bx==1&&y==1)
+		{
+			m=o.x.cx;
+			n=o.x.dx;
+			y=0;
+			i.x.ax=2;
+			int86(0X33,&i,&o);
+		}
+		if(o.x.bx==1&&y==0)
+		{
+			i.x.ax=3;
+			int86(0X33,&i,&o);
+			oi=o.x.cx;
+			p=o.x.dx;
+			clearviewport();
+			show();
+			line(m,n,oi,p);
+			delay(60);
+
+			i.x.ax=3;
+			int86(0X33,&i,&o);
+			if(o.x.bx==0)
+			{
+				y=1;
+				save();
+				i.x.ax=1;
+				int86(0X33,&i,&o);
+			}
+		}
+		if(o.x.cx>480&&y==1)
+		{
+			break;
+		}
+	}
+}
+
+void pencil()
+{
+	int m,n,a,b;
+	setviewport(0,0,479,479,1);
+	while(1)
+	{
+		i.x.ax=3;
+		int86(0X33,&i,&o);
+		if(o.x.bx==1)
+		{
+			m=o.x.cx;
+			n=o.x.dx;
+			delay(50);
+			i.x.ax=2;
+			int86(0X33,&i,&o);
+			i.x.ax=3;
+			int86(0X33,&i,&o);
+			line(m,n,o.x.cx,o.x.dx);
+
+		}
+		else
+		{
+			i.x.ax=1;
+			int86(0X33,&i,&o);
+			i.x.ax=3;
+			int86(0X33,&i,&o);
+		}
+		if(o.x.cx>480&&o.x.bx==0)
+		{
+			break;
+		}
+	}
+
+}
+
+void text()
+{
+	int y=1,x,z;
+	char ch,msg[50]="",buf[1]="";
+	setviewport(0,0,479,479,1);
+	while(1)
+	{
+		i.x.ax=3;
+		int86(0X33,&i,&o);
+		if(o.x.bx==1&&y==1)
+		{
+			y=0;
+		}
+		if(o.x.bx==0&&y==0)
+		{
+			y=1;
+			strcpy(msg,"");
+			x=o.x