tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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clip-multiple-move-2.html (656B)

      1 <!DOCTYPE html>
      2 <html>
      3 <head>
      4 <canvas id="canvas" width="150" height="150"></canvas>
      5 
      6 <script>
      7 
      8 var canvas = document.getElementById('canvas');
      9 var ctx = canvas.getContext('2d');
     10 
     11 ctx.fillStyle = '#f00';
     12 ctx.fillRect(0, 0, 150, 150);
     13 
     14 ctx.beginPath();
     15 ctx.moveTo(0, 0);
     16 ctx.moveTo(0, -1);
     17 ctx.lineTo(0, 150);
     18 ctx.lineTo(150, 150);
     19 
     20 // The coordinate '149.99999' makes skia use GrConvexPolyEffect to handle the points.
     21 // The result should be same as '150'. So this test checks if the GrConvexPolyEffect
     22 // works well.
     23 ctx.lineTo(149.99999, -1);
     24 
     25 ctx.closePath();
     26 ctx.clip();
     27 
     28 ctx.fillStyle = '#0f0';
     29 ctx.fillRect(0, 0, 150, 150);
     30 
     31 </script>
     32 </body></html>