Canvas第三章 渐变

    科技2022-07-10  142

    第三章 渐变

    <canvas height="500" width="500" id="canvas"></canvas> <script> var elem=document.getElementById("canvas"); var canvas=elem.getContext("2d"); var grad=canvas.createLinearGradient(0,0,500,500); grad.addColorStop(0.2,"red"); grad.addColorStop(0.5,"orange"); grad.addColorStop(1,"yellow"); canvas.fillStyle=grad; canvas.fillRect(0,0,500,500); </script> <canvas height="500" width="500" id="canvas"></canvas> <script> var elem=document.getElementById("canvas"); var canvas=elem.getContext("2d"); var grad=canvas.createRadialGradient(0,0,10,500,500,100); grad.addColorStop(0.2,"red"); grad.addColorStop(0.5,"orange"); grad.addColorStop(1,"yellow"); canvas.fillStyle=grad; canvas.fillRect(0,0,500,500); </script>
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