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canvas-drawing-app
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Commit 23d98b56 authored by Jalay 's avatar Jalay
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Delete EDITOR.C

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#include<graphics.h>
#include<dos.h>
#include<math.h>
#include "edfile.c"
//#include<stdlib.h>
#include<stdio.h>
#include<conio.h>
union REGS i, o;
int leftcolor[15];
double bez(double t,int p[],int a,int b)
{
if(a==b)
return p[a];
else
return (1-t)*bez(t,p,a,b-1)+t*bez(t,p,a+1,b);
}
int get_key()
{
union REGS i,o;
i.h.ah = 0;
int86(22,&i,&o);
return ( o.h.ah );
}
void draw_color_panel()
{
int left, top, c, color;
left = 5;
top = 215;
color = getcolor();
setcolor(BLACK);
outtextxy(left,top,"color");
outtextxy(left,top+15,"palette");
top+=30;
for( c = 1 ; c <= 16 ; c+=2 )
{
setfillstyle(SOLID_FILL, c);
bar(left, top, left+20, top+20);
rectangle(left, top, left+20, top+20);
setfillstyle(SOLID_FILL, c+1);
bar(left+30, top, left+50, top+20);
rectangle(left+30, top, left+50, top+20);
leftcolor[c-1] = left;
top+=30;
}
setcolor(color);
}
void draw_shape_panel()
{
int left, top, c, color,points[]={15,157,7,173,15,165,23,173,15,157};
left = 5;
top = 5;
color = getcolor();
setfillstyle(SOLID_FILL,LIGHTGRAY);
bar(1,1,60,480);
// bar(100,100,200,200);
setcolor(BLACK);
outtextxy(left,top,"Tools");
top+=30;
for( c = 1 ; c <= 11 ; c+=2 )
{
rectangle(left, top, left+20, top+20);
rectangle(left+30, top, left+50, top+20);
top += 30;
}
setfillstyle(SOLID_FILL,BLACK);
bar(7,40,23,50);
rectangle(37,40,53,50);
line(7,83,22,68);
line(37,83,43,73);
line(43,73,45,73);
line(45,73,47,76);
line(47,76,49,76);
line(49,76,53,68);
fillellipse(15,105,8,6);
ellipse(45,105,0,360,8,6);
fillellipse(15,135,7,7);
ellipse(45,135,0,360,7,7);
fillpoly(5,points);
for(c=0;c<=8;c+=2)
{
points[c]+=30;
}
drawpoly(5,points); //5 185
line(7,203,12,187);
line(12,187,18,187);
line(18,187,23,203);
setfillstyle(SOLID_FILL,WHITE);
bar(38,189,52,200);
// erase();
setcolor(color);
}
void change_color(int x, int y)
{
int c,left=5,top=245;
// printf("H");
// line(left,top,left+50,top);
for( c = 1 ; c <= 16 ; c+=2 )
{
if( x > left && x < left+20 && y > top && y < top+20 )
{ setcolor(c); break; }
if( x > left+30 && x < left+50 && y > top && y < top+20 )
{ setcolor(c+1); break; }
top+=30;
}
}
char change_shape(int x, int y)
{
int c,left,top;
char flag='a';
left = 5;
top = 35;
for( c = 1 ; c <= 11 ; c+=2,flag+=2)
{
if(x>left && y>top && x<left+20 && y<top+20)
return flag;
if(x>left+30 && y>top && x<left+50 && y<top+20)
return flag+1;
top += 30;
}
return flag;
}
void showmouseptr()
{
i.x.ax = 1;
int86(0x33,&i,&o);
}
void hidemouseptr()
{
i.x.ax = 2;
int86(0x33,&i,&o);
}
void restrictmouseptr( int x1, int y1, int x2, int y2)
{
i.x.ax = 7;
i.x.cx = x1;
i.x.dx = x2;
int86(0x33,&i,&o);
i.x.ax = 8;
i.x.cx = y1;
i.x.dx = y2;
int86(0x33,&i,&o);
}
void getmousepos(int *button,int *x,int *y)
{
i.x.ax = 3;
int86(0x33,&i,&o);
*button = o.x.bx;
*x = o.x.cx;
*y = o.x.dx;
}
main()
{
int gd = DETECT,gm;
dp* temp;int maxx,maxy,x,y,button,prevx,prevy,temp1,temp2,key,color,points[50];
int step,j,l,k,arrx[30],arry[30];
char ch = 'a' ;
int i,signdx,signdy;
float len,abx,aby,dx,dy,xx,yy;
double size,t,xi,yi;
initgraph(&gd,&gm,"..//BGI");
maxx = getmaxx();
maxy = getmaxy();
setcolor(WHITE);
rectangle(0,0,maxx,maxy);
setcolor(YELLOW);
/* settextstyle(SANS_SERIF_FONT,HORIZ_DIR,2);
outtextxy(maxx/2-120,maxy-23,"*** DRAWING WINDOW ***");
*/
draw_shape_panel();
draw_color_panel();
setviewport(1,1,maxx-1,maxy-1,1);
restrictmouseptr(1,1,maxx-1,maxy-1);
showmouseptr();
setcolor(BLUE);
setfillstyle(SOLID_FILL,15);
bar(60,1,640,480);
setviewport(60,2,639,479,1);
// temp= openeditor();
while(1)
{ // printf("d");
if(kbhit())
{
key = get_key();
if( key == 1 )
{
closegraph();
closeeditor();
exit(0);
}
}
getmousepos(&button,&x,&y);
if( button == 1 )
{
if( x > 1 && x < 60 && y > 1 && y < 245 )
ch = change_shape( x, y );
else if ( x > 1 && x < 60 && y > 245 && y < 480 )
change_color( x, y );
temp1 = x ;
temp2 = y ;
// printf("%c",ch);
if ( ch == 'd' )
{ // printf("j");
hidemouseptr();
moveto(x-60,y);
// temp=saveeditor(temp,0,getcolor(),x-60,y);
while( button == 1 )
{
line(temp1-60,temp2,x-60,y);
// temp=saveeditor(temp,4,getcolor(),x-60,y);
temp1 = x;
temp2 = y;
getmousepos(&button,&x,&y);
}
showmouseptr();
}
while( button == 1)
{ //printf("k");
getmousepos(&button,&x,&y);
}
/* to avoid interference of mouse while drawing */
hidemouseptr();
if ( ch == 'a' )
{ // printf("D");
setfillstyle(SOLID_FILL,getcolor());
bar(temp1-60,temp2,x-60,y);
}
else if ( ch == 'c')
{
line(temp1-60,temp2,x-60,y);
}
else if ( ch == 'f')
ellipse(temp1-60,temp2,0,360,abs(x-temp1),abs(y-temp2));
else if(ch == 'e' )
{
setfillstyle(SOLID_FILL,getcolor());
fillellipse(temp1-60,temp2,abs(x-temp1),abs(y-temp2));
}
else if(ch == 'g' )
{
setfillstyle(SOLID_FILL,getcolor());
fillellipse(temp1-60,temp2,abs(x-temp1),abs(x-temp1));
}
else if(ch == 'h' )
ellipse(temp1-60,temp2,0,360,abs(x-temp1),abs(x-temp1));
else if ( ch == 'b' )
rectangle(temp1-60,temp2,x-60,y);
else if ( ch == 'l' )
{
ch = 'a'; // setting to freehand drawing
clearviewport();
color = getcolor();
setcolor(WHITE);
setfillstyle(SOLID_FILL,15);
bar(0,0,640,480);
setcolor(color);
removeall();
}
else if(ch == 'j' || ch == 'i' || ch == 'k' )
{ i=0; //xx=-1; delay(10);
while(1)
{ // restrictmouseptr(60,2,639,479);
if(kbhit())
{
key = get_key();
if( key == 1 )
{
closegraph();
exit(0);
}
}
showmouseptr();
getmousepos(&button,&x,&y);
if(button==1)
{// printf("G");
// printf("%d%d",xx,i);
while(button==1)
getmousepos(&button,&x,&y);
// if(xx==i)continue;
// printf("g"); hidemouseptr;
if(i!=0)
{
if(abs(x-60-points[0])<4 && abs(y-points[1])<4)
{ // printf("h");
points[i]=points[0];
points[i+1]=points[1]; // printf("%d%d",points[i],points[i+1]);
i+=2;
hidemouseptr();
// printf("i/2=%d",i/2);
if(ch == 'j')
drawpoly(i/2,points);
else if(ch == 'i') {
setfillstyle(SOLID_FILL,getcolor());
fillpoly(i/2,points);
}
else
{
// setfillstyle(SOLID_FILL,WHITE);
// fillpoly(i/2,points);
step=500;
size=1.0/(double)step;
l=0;
k=getcolor();
setcolor(WHITE);
for(j=0;j<i;j+=2)
{
line(points[j],points[j+1],points[j+2],points[j+3]);
}
setcolor(k);
for(k=0;k<=i;k+=2)
{
arrx[l]=points[k];
arry[l]=points[k+1];
l++;
}
moveto(arrx[0],arry[0]);
temp=saveeditor(temp,0,getcolor(),arrx[0],arry[0]);
//printf("%d %d",arrx[0],arry[0]);
for(j=1;j<step;j++)
{
t=size*(double)j;
//printf("%df",t);
xi=bez(t,arrx,0,i/2-2);
yi=bez(t,arry,0,i/2-2);
//if(j<10)
//printf("%f%f ",xi,yi);
lineto(xi,yi);
temp=saveeditor(temp,1,getcolor(),xi,yi);
}
}
break;
}
else
{
points[i]=x-60;
points[i+1]=y;
// if(ch!='k')
line(points[i],points[i+1],points[i-2],points[i-1]);
i+=2; }
}
else {
points[i]=x-60;
points[i+1]=y;
i+=2; }
}// xx=i;
} i=0;
}
showmouseptr();
}
}
}
\ No newline at end of file
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