因为它可以对Bitmap做几乎任何改变,是的,你没听错,是任何,几乎无所不能,这个屌毛方法我曾一度怀疑谷歌那些逗比为何将它屈尊在Canvas下,因为它对Bitmap的处理实在在强大了。上一节我们在讲到Matrix的时候说过Matrix可以对我们的图像做多种变换,实际上drawBitmapMesh也可以,只不过需要一点计算,比如我们可以使用drawBitma...
canvas.drawCircle(500,500,400,mPaint);// 绘制一个圆心坐标在(500,500),半径为400 的圆。 绘制圆形有四个参数,前两个是圆心坐标,第三个是半径,最后一个是画笔。 绘制圆弧: 绘制圆弧就比较神奇一点了,为了理解这个比较神奇的东西,我们先看一下它需要的几个参数: // 第一种publicvoiddrawArc(@NonNullRect...
(asyncfunction(){console.log("starting");letImage=require("canvas").Image;letcreateCanvas=require("canvas").createCanvas;letimg=awaitnewPromise((resolve,reject)=>{letimg=newImage();img.onerror=reject;img.onload=resolve;img.src="data:image/webp;base64,UklGRvYRAABXRUJQVlA4IOoRAAAQgQCdASpAAfAA...
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();Log.i(TAG,"Current SaveCount = "+canvas.getSaveCount());canvas.translate(400,400);RectFrectF=newRectF(0,0,600,600);canvas.drawBitmap(mBitmap,null,rectF,mPaint);//第2次保存,并通过canvas.getSaveCount的到当前状态栈容量canvas.save();Log.i(TAG,"Current SaveCount = "+canvas.get...
coding-ldh / lucky-canvas codyht01 / lucky-canvas cofess / lucky-canvas coffeefoam / lucky-canvas colorcloud5 / lucky-canvas core-admin / lucky-canvas CoreUnionCollect / lucky-canvas cpengcheng / lucky-canvas CrazyUnluck / lucky-canvas ...
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