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1311.HTML canvas arcTo() 方法

HTML canvas arcTo() 方法 Canvas 對(duì)象實(shí)例在畫布上創(chuàng)建介于兩個(gè)切線之間的?。篩ourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath(); ctx.moveTo(20,20); // Create a starting pointctx.lin...

http://o2fo.com/jsref/met-canvas-arcto.html

1312.HTML canvas fillText() 方法

HTML canvas fillText() 方法 Canvas 對(duì)象實(shí)例使用 fillText(),在畫布上寫文本 "Hello world!" 和 "Big smile!":YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.font="20px Georgia";ctx.fillText("Hello World!...

http://o2fo.com/jsref/met-canvas-filltext.html

1313.HTML canvas stroke() 方法

HTML canvas stroke() 方法 Canvas 對(duì)象實(shí)例繪制一條路徑,形狀是紅色的字母 L:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath();ctx.moveTo(20,20);ctx.lineTo(20,100);ctx.lineTo(70,100);ctx.st...

http://o2fo.com/jsref/met-canvas-stroke.html

1314.HTML canvas isPointInPath() 方法

HTML canvas isPointInPath() 方法 Canvas 對(duì)象實(shí)例如果點(diǎn) 20,50 位于當(dāng)前路徑中,則繪制一個(gè)矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.rect(20,20,150,100);if (ctx.isPointInPath(20,50)) {...

http://o2fo.com/jsref/met-canvas-ispointinpath.html

1315.HTML canvas strokeText() 方法

HTML canvas strokeText() 方法 Canvas 對(duì)象實(shí)例使用 strokeText(),在畫布上寫文本 "Hello world!" 和 "Big smile!"(帶漸變):YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.font="20px Georgia";ctx.str...

http://o2fo.com/jsref/met-canvas-stroketext.html

1316.HTML canvas beginPath() 方法

HTML canvas beginPath() 方法 Canvas 對(duì)象實(shí)例在畫布上繪制兩條路徑;綠色和紫色:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath(); ctx.lineWidth="5";ctx.strokeStyle="green"; // Green pathc...

http://o2fo.com/jsref/met-canvas-beginpath.html

1317.HTML canvas scale() 方法

HTML canvas scale() 方法 Canvas 對(duì)象實(shí)例繪制矩形,放大到 200%,然后再次繪制矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.strokeRect(5,5,25,15);ctx.scale(2,2);ctx.strokeRect(5,5,25,15);嘗...

http://o2fo.com/jsref/met-canvas-scale.html

1318.HTML canvas measureText() 方法

HTML canvas measureText() 方法 Canvas 對(duì)象實(shí)例在畫布上輸出文本之前,檢查字體的寬度:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");varctx=c.getContext("2d");ctx.font="30px Arial";var txt="Hello World"ctx.fillText("width:" + ...

http://o2fo.com/jsref/met-canvas-measuretext.html

1319.HTML canvas moveTo() 方法

HTML canvas moveTo() 方法 Canvas 對(duì)象實(shí)例開始一條路徑,移動(dòng)到位置 0,0。創(chuàng)建到達(dá)位置 300,150 的一條線:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath();ctx.moveTo(0,0);ctx.lineTo(...

http://o2fo.com/jsref/met-canvas-moveto.html

1320.HTML canvas rotate() 方法

HTML canvas rotate() 方法 Canvas 對(duì)象實(shí)例將矩形旋轉(zhuǎn) 20 度:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.rotate(20*Math.PI/180);ctx.fillRect(50,20,100,50);嘗試一下 ?瀏覽器支持Internet Explorer 9...

http://o2fo.com/jsref/met-canvas-rotate.html

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1311.HTML canvas arcTo() 方法

HTML canvas arcTo() 方法 Canvas 對(duì)象實(shí)例在畫布上創(chuàng)建介于兩個(gè)切線之間的?。篩ourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath(); ctx.moveTo(20,20); // Create a starting pointctx.lin...

http://o2fo.com/jsref/met-canvas-arcto.html

1312.HTML canvas fillText() 方法

HTML canvas fillText() 方法 Canvas 對(duì)象實(shí)例使用 fillText(),在畫布上寫文本 "Hello world!" 和 "Big smile!":YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.font="20px Georgia";ctx.fillText("Hello World!...

http://o2fo.com/jsref/met-canvas-filltext.html

1313.HTML canvas stroke() 方法

HTML canvas stroke() 方法 Canvas 對(duì)象實(shí)例繪制一條路徑,形狀是紅色的字母 L:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath();ctx.moveTo(20,20);ctx.lineTo(20,100);ctx.lineTo(70,100);ctx.st...

http://o2fo.com/jsref/met-canvas-stroke.html

1314.HTML canvas isPointInPath() 方法

HTML canvas isPointInPath() 方法 Canvas 對(duì)象實(shí)例如果點(diǎn) 20,50 位于當(dāng)前路徑中,則繪制一個(gè)矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.rect(20,20,150,100);if (ctx.isPointInPath(20,50)) {...

http://o2fo.com/jsref/met-canvas-ispointinpath.html

1315.HTML canvas strokeText() 方法

HTML canvas strokeText() 方法 Canvas 對(duì)象實(shí)例使用 strokeText(),在畫布上寫文本 "Hello world!" 和 "Big smile!"(帶漸變):YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.font="20px Georgia";ctx.str...

http://o2fo.com/jsref/met-canvas-stroketext.html

1316.HTML canvas beginPath() 方法

HTML canvas beginPath() 方法 Canvas 對(duì)象實(shí)例在畫布上繪制兩條路徑;綠色和紫色:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath(); ctx.lineWidth="5";ctx.strokeStyle="green"; // Green pathc...

http://o2fo.com/jsref/met-canvas-beginpath.html

1317.HTML canvas scale() 方法

HTML canvas scale() 方法 Canvas 對(duì)象實(shí)例繪制矩形,放大到 200%,然后再次繪制矩形:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.strokeRect(5,5,25,15);ctx.scale(2,2);ctx.strokeRect(5,5,25,15);嘗...

http://o2fo.com/jsref/met-canvas-scale.html

1318.HTML canvas measureText() 方法

HTML canvas measureText() 方法 Canvas 對(duì)象實(shí)例在畫布上輸出文本之前,檢查字體的寬度:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");varctx=c.getContext("2d");ctx.font="30px Arial";var txt="Hello World"ctx.fillText("width:" + ...

http://o2fo.com/jsref/met-canvas-measuretext.html

1319.HTML canvas moveTo() 方法

HTML canvas moveTo() 方法 Canvas 對(duì)象實(shí)例開始一條路徑,移動(dòng)到位置 0,0。創(chuàng)建到達(dá)位置 300,150 的一條線:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath();ctx.moveTo(0,0);ctx.lineTo(...

http://o2fo.com/jsref/met-canvas-moveto.html

1320.HTML canvas rotate() 方法

HTML canvas rotate() 方法 Canvas 對(duì)象實(shí)例將矩形旋轉(zhuǎn) 20 度:YourbrowserdoesnotsupporttheHTML5canvastag.JavaScript:var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.rotate(20*Math.PI/180);ctx.fillRect(50,20,100,50);嘗試一下 ?瀏覽器支持Internet Explorer 9...

http://o2fo.com/jsref/met-canvas-rotate.html

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