DrawLine精品文章

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  python實(shí)現(xiàn)屏保計(jì)時(shí)器

  ...import turtle, time def drawGap(): turtle.penup() turtle.fd(5) def drawLine(draw): drawGap() turtle.pendown() if draw else turtle.penup() turtle.fd(40) drawGap() turtle....

  fuyi501 2019-07-31 10:57 評(píng)論0 收藏0
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  JAVA橋接模式 2013軟件設(shè)計(jì)師下半年下午題

  ...地圖片啊 ↑圖在上面鏈接↑ interface Drawing{ public void drawLine(double x1,double y1,double x2,double y2); public void drawCircle(double x,double y,double r); } class V1Drawing implements Drawing{ ...

  SegmentFault 2019-08-14 16:41 評(píng)論0 收藏0
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  交互式數(shù)據(jù)可視化－D3.js（四）形狀生成器

  ..., 200]] var linePath = d3.line().curve(d3.curveCatmullRom.alpha(0.5)); var drawLine = d3.select(#line).append(svg).attr(width, 400).attr(height, 300); drawLine.append(path).attr(d, linePath(lines))...

  Terry_Tai 2019-08-02 11:54 評(píng)論0 收藏0
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  交互式數(shù)據(jù)可視化－D3.js（四）形狀生成器

  ..., 200]] var linePath = d3.line().curve(d3.curveCatmullRom.alpha(0.5)); var drawLine = d3.select(#line).append(svg).attr(width, 400).attr(height, 300); drawLine.append(path).attr(d, linePath(lines))...

  crossea 2019-08-23 12:44 評(píng)論0 收藏0
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  canvas繪制文本內(nèi)容自動(dòng)換行

  ...axWidth, lineNum) { var drawTxt = ; // 當(dāng)前繪制的內(nèi)容 var drawLine = 1; // 第幾行開始繪制 var drawIndex = 0; // 當(dāng)前繪制內(nèi)容的索引 // 判斷內(nèi)容是否可以一行繪制完畢 if(ctx.measureText(content).width = lineMaxWidth) ...

  MageekChiu 2019-08-23 14:40 評(píng)論0 收藏0
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  canvas離屏、旋轉(zhuǎn)效果實(shí)踐——旋轉(zhuǎn)的雪花

  ...效果 用離屏canvas畫基礎(chǔ)部分 1、封裝畫線函數(shù) function drawLine(ctx,x1,y1,x2,y2,color){ ctx.save(); ctx.beginPath(); ctx.strokeStyle = color; ctx.lineTo(x1, y1); ctx.lineTo(x2, y2); ctx.stroke(); ctx.re...

  maochunguang 2019-08-20 16:31 評(píng)論0 收藏0
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  用Canvas畫一棵二叉樹

  ...+ unit) // 再給每個(gè)正方形加個(gè)名字 } 這直線怎么畫 function drawLine(x1, y1, x2, y2) { ctx.moveTo(x1, y1) ctx.lineTo(x2, y2) ctx.stroke() } 這關(guān)系怎么畫 // 前序遍歷二叉樹 function preOrderTraverse(root, x, y){ drawRect(ro...

  lordharrd 2019-08-22 11:16 評(píng)論0 收藏0
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  Canvas畫板---手機(jī)上也可以用的畫板

  ...= {x: x, y: y};//記錄鼠標(biāo)移動(dòng)到的新坐標(biāo) drawLine(lastPoint.x, lastPoint.y, newPoint.x, newPoint.y) //繪制線條 lastPoint = newPoint;//將當(dāng)前坐標(biāo)作為下次移動(dòng)的首坐標(biāo) } ...

  oogh 2019-08-22 13:51 評(píng)論0 收藏0
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  Canvas畫板---手機(jī)上也可以用的畫板

  ...= {x: x, y: y};//記錄鼠標(biāo)移動(dòng)到的新坐標(biāo) drawLine(lastPoint.x, lastPoint.y, newPoint.x, newPoint.y) //繪制線條 lastPoint = newPoint;//將當(dāng)前坐標(biāo)作為下次移動(dòng)的首坐標(biāo) } ...

  ernest.wang 2019-08-29 14:14 評(píng)論0 收藏0
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  canvas進(jìn)階——如何畫出平滑的曲線?

  ... y: (lastTwoPoints[0].y + lastTwoPoints[1].y) / 2, } drawLine(beginPoint, controlPoint, endPoint); beginPoint = endPoint; } } function up(evt) { if (!isDown) ...

  Cobub 2019-08-02 11:40 評(píng)論0 收藏0