Is canvas.save/restore or canvas.drawBitmap(Bitmap,Matrix,Paint) better?up vote 0 down vote favorite Which is the difference between these two code ...

Android BitmapShader实现圆形和圆角图片

mBitmapPaint); } else { canvas.drawCircle(mRadius, mRadius, mRadius, mBitmapPaint); // drawSomeThing(canvas); } } @Override protected void onSizeChang...

canvas.drawBitmap(bitmap, src, dst, paint)-极客学院

(Canvas canvas, Bitmap blt, int x, int y, int w, int h, int bx, int by) { //x,y表示绘画的起点, Rect src = new Rect();// 图片 Rect ...

Android canvas.drawBitmap()方法的比较_已解决_博问_博客园

android中canvas.drawBitmap()方法有很多种重写。其中基本的canvas.drawBitmap(bitmap, x, y, paint);很简单,将图画到指定坐标;第二种,can...

Android 图形用户界面 之 绘图(一) - 蚂蚁乐园 - ITeye技术网站

(bitmap, 0, 0, paint); canvas.drawText("Hello Android", 25, 55, paint); return bitmap1; } @Override protected void onDraw(Canvas canvas) { super...

8.3.18 Canvas API详解(Part 3)Matrix和drawBitmapMash | 菜鸟教程

本节引言: 在Canvas的API文档中,我们看到这样一个方法:drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) 这个Matrix可是有大文章的,前面我们在学Paint的API...

android bitmap加载图片,然后涂鸦,实现橡皮擦功能-CSDN问答

canvas.drawBitmap(mBitmap, 0, 0, null); } mPaint.setAlpha(0); mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN)); 用这种方法是可...

Android canvas.drawBitmap实现透明效果 - wen66 - ITeye技术网站

以下是针对,canvas.drawBitmap方法实施透明效果. Paint paint = new Paint(); paint.setAlpha(0x40); //设置透明程度 canvas.drawBitmap(this.bitmap, this....

android Canvas让我很困惑 - 低级写手 我自由了 - ITeye技术网站

import android.graphics.Bitmap; import android.graphics.Canvas; import android....Paint; import android.graphics.Typeface; import android.graphics.Bitmap....

...drawMySelf canvas paint canvas drawBitmap exit2 440paint ...

pushBoxActivitymySprite pushBoxActivitymySprite drawMySelf canvas paint canvas drawBitmap exit2 440paint 绘制退出按钮 else 恭喜过关胜利是的信息 paint ...

Android Canvas绘图详解(图文) - 泡在网上的日子

上面代码创建了一个尺寸是100*100的Bitmap,使用它作为Canvas操作的对象,这时候的...void onDraw(Canvas canvas) { canvas.drawCircle(100, 100, 90, paint); }...

Android中Paint字体的使用-Canvas/Bitmap - android视频教程,...

安卓教程网首页 图形图像 Canvas/Bitmap Android中Paint字体...一、android中Paint字体属性的设置: 在Android SDK中使用Typeface类来定义字体,可以...

Canvas drawText 字太长使用省略号 | 学步园

canvas.drawText(duration, bitmap.getWidth() - paint.measureText(duration) - mOverlayHorizontalInset, bitmap.getHeight() - mOverlayHeight + m...

8.2.14 drawBitmap方法:绘制图像 - 51CTO.COM

《Android语法范例参考大全》第8章Android绘图,本章详细介绍了Paint类和Canvas类...这个时候,便可以使用drawBitmap方法来在画布上直接显示图像。 【基本语法】public...

...do setDither,setFilterBitmap and setAntiAlias in a Canvas?...

Usually samples that I see,use this methods when try to draw bitmaps on canvas.For example: paint.setAntiAlias(true); paint.setFilterBitmap(true); ...

...Chart来学习Android绘图类Rect,Paint,Bitmap,Canvas(附源码) -...

通过创建一个位图的XY Chart来学习Android绘图类Rect,Paint,Bitmap,Canvas(附源码) 绘制一个XY集是一种很常见的任务,基于Android平台的绘制很简单,它让所有的GUI...

Android实现动态绘图 - StephenLee的日志 - 网易博客

import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Path; impo...

Android给PNG描边 – 程序猿沈垚

drawPath(path, paint); // 画出边缘 Canvas canvas = new Canvas(SrcBmp); canvas.drawBitmap(bitmap, offsetX, offsetY, null); return SrcBmp; } 以上...

[android]在canvas上绘制虚线

: canvas ...Bitmap mBitmap; private Canvas mCanvas; private Path mPath; private Paint ...

Android画图之抗锯齿 - 封碎 - ITeye技术网站

canvas.drawBitmap(bmp, matrix, null); canvas.translate(0, 250); canvas.drawBitmap(bmp, matrix, mPaint); canvas.setDrawFilter(pfd); canvas.translate(...

android描边效果 - Android问答 - Mars Android \ - Powered by ...

canvas.drawBitmap(qq2, 98, 100, paint); canvas.drawBitmap(qq2, 98, 98, paint); canvas.drawBitmap(qq2, 98, 102, paint); canvas.drawBitmap(...

Android笔记二十八.Android绘图深度解析-爱编程

绘制一个图形由四部分组成:Bitmap、Canvas、Path/Rect/text等、Paint,其中Bitmap为绘制图形存放的像素位图,Canvas用于提供绘制图像方法、Paint为画笔、Path/Rect/text...

Android canvas.drawBitmap兑现透明效果_IT知识问答_希赛网

Android canvas.drawBitmap实现透明效果 以下是针对, canvas.drawBitmap方法实施透明效果. Paint paint = new Paint(); paint.setAlpha(0x40); //设置透明程度 ...

Android电子白板实现,Canvas画布_Android_移动开发-ITnose

(this); mBitmapPaint = new Paint(Paint.DITHER_FLAG); mBitmap = MainApplication.getBitmap(); mCanvas = new Canvas(mBitmap); } @Override protected ...

【Android】图片切角,切指定的边。 - 桥下一粒砂 - ITeye技术网站