Qt 4.7: bezier.js Example File (script/context2d/scripts/bezier.js)

Qt Reference Documentation

# bezier.js Example File

script/context2d/scripts/bezier.js

     function drawShape() {
     // get the canvas element using the DOM
     var canvas = document.getElementById('tutorial');

       // Make sure we don't execute when canvas isn't supported
       if (canvas.getContext){

         // use getContext to use the canvas for drawing
         var ctx = canvas.getContext('2d');

         // Draw shapes

         ctx.beginPath();
         ctx.moveTo(75,40);
         ctx.bezierCurveTo(75,37,70,25,50,25);
         ctx.bezierCurveTo(20,25,20,62.5,20,62.5);
         ctx.bezierCurveTo(20,80,40,102,75,120);
         ctx.bezierCurveTo(110,102,130,80,130,62.5);
         ctx.bezierCurveTo(130,62.5,130,25,100,25);
         ctx.bezierCurveTo(85,25,75,37,75,40);
         ctx.fill();
         ctx.globalAlpha = 0.5;
      }
     }

     drawShape();