| 1 | <!DOCTYPE html>
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| 2 | <html lang="en">
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| 3 |
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| 4 | <head>
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| 5 | <meta charset="UTF-8">
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| 6 | <meta name="viewport" content="width=device-width, initial-scale=1.0">
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| 7 | <meta http-equiv="X-UA-Compatible" content="ie=edge">
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| 8 | <title>不同绘制方法导致的模糊问题</title>
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| 9 | <script src="../build/image2D.js"></script>
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| 10 | </head>
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| 11 |
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| 12 | <body>
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| 13 |
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| 14 | <script>
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| 15 |
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| 16 | var painter = $$('<canvas>非常抱歉，您的浏览器不支持canvas!</canvas>')
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| 17 | .appendTo('body')
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| 18 | .attr({
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| 19 | width: 400,
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| 20 | height: 400
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| 21 | }).painter();
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| 22 |
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| 23 |
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| 24 | var interFun = $$.cardinal().setP([
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| 25 | [0, 300], [100, 300], [200, 200], [300, 160], [400, 300]
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| 26 | ]);
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| 27 |
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| 28 | /**
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| 29 | * 实验开始
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| 30 | * -----------------
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| 31 | */
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| 32 |
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| 33 |
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| 34 | painter
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| 35 | .config('strokeStyle', 'red')
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| 36 | .beginPath()
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| 37 | for (var deep = 0; deep < 400; deep += 0.5) {
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| 38 | painter.lineTo(deep, interFun(deep) - 10)
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| 39 | .stroke();
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| 40 | }
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| 41 |
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| 42 |
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| 43 | painter
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| 44 | .config('strokeStyle', 'blue')
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| 45 | .beginPath()
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| 46 | for (var deep = 0; deep < 400; deep += 0.5) {
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| 47 | painter.lineTo(deep, interFun(deep) + 10);
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| 48 | }
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| 49 | painter.stroke();
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| 50 |
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| 51 | </script>
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| 52 |
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| 53 | </body>
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| 54 |
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| 55 | </html>
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