examples/script/context2d/scripts/rgba.js
changeset 0 1918ee327afb
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-1:000000000000 0:1918ee327afb
       
     1 var ctx = document.getElementById('tutorial').getContext('2d');
       
     2 
       
     3   // Draw background
       
     4   ctx.fillStyle = 'rgb(255,221,0)';
       
     5   ctx.fillRect(0,0,150,37.5);
       
     6   ctx.fillStyle = 'rgb(102,204,0)';
       
     7   ctx.fillRect(0,37.5,150,37.5);
       
     8   ctx.fillStyle = 'rgb(0,153,255)';
       
     9   ctx.fillRect(0,75,150,37.5);
       
    10   ctx.fillStyle = 'rgb(255,51,0)';
       
    11   ctx.fillRect(0,112.5,150,37.5);
       
    12 
       
    13   // Draw semi transparent rectangles
       
    14   for (i=0;i<10;i++){
       
    15     ctx.fillStyle = 'rgba(255,255,255,'+(i+1)/10+')';
       
    16     for (j=0;j<4;j++){
       
    17       ctx.fillRect(5+i*14,5+j*37.5,14,27.5)
       
    18     }
       
    19   }