File: alpha.js

package info (click to toggle)
qtscript-opensource-src 5.15.15%2Bdfsg-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 29,776 kB
  • sloc: cpp: 163,715; javascript: 94,206; yacc: 1,768; ansic: 1,718; perl: 425; sh: 169; python: 55; makefile: 14
file content (21 lines) | stat: -rw-r--r-- 530 bytes parent folder | download | duplicates (20)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
var ctx = document.getElementById('tutorial').getContext('2d');
  // draw background
  ctx.fillStyle = '#FD0';
  ctx.fillRect(0,0,75,75);
  ctx.fillStyle = '#6C0';
  ctx.fillRect(75,0,75,75);
  ctx.fillStyle = '#09F';
  ctx.fillRect(0,75,75,75);
  ctx.fillStyle = '#F30';
  ctx.fillRect(75,75,75,75);
  ctx.fillStyle = '#FFF';

  // set transparency value
  ctx.globalAlpha = 0.2;

  // Draw semi transparent circles
  for (i=0;i<7;i++){
      ctx.beginPath();
      ctx.arc(75,75,10+10*i,0,Math.PI*2,true);
      ctx.fill();
  }