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Last change
on this file since 266 was 2, checked in by Dmitry A. Kuminov, 16 years ago |
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Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
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File size:
530 bytes
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| 1 | var ctx = document.getElementById('tutorial').getContext('2d');
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| 2 | // draw background
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| 3 | ctx.fillStyle = '#FD0';
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| 4 | ctx.fillRect(0,0,75,75);
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| 5 | ctx.fillStyle = '#6C0';
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| 6 | ctx.fillRect(75,0,75,75);
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| 7 | ctx.fillStyle = '#09F';
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| 8 | ctx.fillRect(0,75,75,75);
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| 9 | ctx.fillStyle = '#F30';
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| 10 | ctx.fillRect(75,75,75,75);
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| 11 | ctx.fillStyle = '#FFF';
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| 12 |
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| 13 | // set transparency value
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| 14 | ctx.globalAlpha = 0.2;
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| 15 |
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| 16 | // Draw semi transparent circles
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| 17 | for (i=0;i<7;i++){
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| 18 | ctx.beginPath();
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| 19 | ctx.arc(75,75,10+10*i,0,Math.PI*2,true);
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| 20 | ctx.fill();
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| 21 | }
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