eraser

如何擦除Mac上的USB驱动器

由 独自空忆成欢 提交于 2020-02-26 11:38:48
DoYourData Super Eraser功能强大且易于使用。借助适用于Mac的超级橡皮擦，每个人都可以轻松擦除Mac上的USB驱动器。下面小编为大家详细介绍一下如何使用DoYourData Super Eraser擦除Mac上的USB驱动器。 步骤1：在Mac上下载并安装Mac版Super Eraser。 在Mac计算机上下载并安装 DoYourData Super Eraser ，然后从启动板运行它。 步骤2：将USB驱动器与Mac连接。 通过USB电缆将USB闪存驱动器连接到Mac。DoYourData超级橡皮擦将自动识别USB闪存驱动器。 步骤3：运行Mac版Super Eraser擦除数据。 Mac专用的DoYourData超级橡皮擦提供三种擦除USB闪存盘数据的模式。 －删除文件/文件夹-永久删除USB闪存驱动器中的文件和文件夹。 －擦拭硬盘驱动器-擦拭整个USB闪存驱动器以永久擦除USB闪存驱动器上的所有数据。 －擦除可用空间-擦除USB闪存驱动器的可用磁盘空间以擦除所有已删除的数据。 通过上面的三个简单步骤，适用于Mac的Super Eraser可以完全擦除Mac OS下USB驱动器上的数据。清除数据后，您的数据将永久丢失，无法通过任何类型的数据恢复软件/方法进行恢复。Mac专用的超级橡皮擦还可以擦除Mac硬盘，存储卡，SD卡等上的数据。

Android: Painting app with eraser not working

由 时间秒杀一切 提交于 2020-01-17 02:20:14
问题 I am working on a painting app, with undo/redo function and would like to add eraser function. Code for MainActivity case R.id.undoBtn: doodleView.onClickUndo(); break; case R.id.redoBtn: doodleView.onClickRedo(); break; case R.id.eraserBtn: Constants.mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_OUT)); break; DrawView // Drawing Part private Bitmap mBitmap; private Paint mBitmapPaint; private Canvas mCanvas; private Path mPath; private int selectedColor = Color.BLACK; private

Android: Painting app with eraser not working

由 做~自己de王妃 提交于 2020-01-17 02:20:13
问题 I am working on a painting app, with undo/redo function and would like to add eraser function. Code for MainActivity case R.id.undoBtn: doodleView.onClickUndo(); break; case R.id.redoBtn: doodleView.onClickRedo(); break; case R.id.eraserBtn: Constants.mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_OUT)); break; DrawView // Drawing Part private Bitmap mBitmap; private Paint mBitmapPaint; private Canvas mCanvas; private Path mPath; private int selectedColor = Color.BLACK; private

Eraser effect using canvas

由 三世轮回 提交于 2019-12-23 17:25:07
问题 I have a custom view class which extends the view. I am using the over-ridden onDraw method to doodle on the canvas. I have a list of a POJO which includes Path and Paint with the help of which I can re-create the old paths drawn, something like this: @Override protected void onDraw(Canvas canvas){ for (POJO pojo : pojoList { canvas.drawPath(pojo.path, pojo.paint); } canvas.drawPath(path, paint); } I want to implement erase function which should work like a proper erase. I know one way to do

How to delete a drawn line on a form?

由 僤鯓⒐⒋嵵緔 提交于 2019-12-11 14:10:25
问题 Actually there are some similar questions about this topic but I couldn't see the answer what I am looking for. For example I have drawn 2 lines on windows form and I want to delete one of them and keep the other , how can I do that? this.Invalidate(); or Graphics.Clear(); clear all the form, I don't want this, I want to delete specific line . Do you have any other solutions? 回答1: The following will delete the all created lines in reverse chronological sequence. Graphics g; Pen p; Bitmap bmp;

How to create an Eraser for CALayer.SubLayer Using a CAShapeLayer in Swift

由 五迷三道 提交于 2019-12-08 13:58:06
问题 I have been looking everywhere for the answer to a question that has been asked a ton of times. I have spent hours looking through SO and Google. There has to be an answer that isn't going to take a mountain moving effort. I am working on a vector drawing app and finally got the drawing and undo-ing functionality working. Now I need an eraser :-o EDIT: Per the great write up from @DonMag I was able to get pretty close to an eraser, but something still isn't quite right. So I am going to try

Implementing an eraser in an Android drawing app - black trail and then transparent

由 一曲冷凌霜 提交于 2019-11-30 12:04:37
问题 I have an drawing app for Android and I am currently trying to add a real eraser to it. Before, I had just used white paint for an eraser, but that won't do anymore since now I allow background colors and images. I do this by having an image view underneath my transparent canvas. The problem that I am facing is that whenever I enable my eraser, it draws a solid black trail while I have my finger down, but once I release it goes to transparent. See the screen shots below: This is how it looks

Implementing an eraser in an Android drawing app - black trail and then transparent

由 情到浓时终转凉″ 提交于 2019-11-30 02:04:33
I have an drawing app for Android and I am currently trying to add a real eraser to it. Before, I had just used white paint for an eraser, but that won't do anymore since now I allow background colors and images. I do this by having an image view underneath my transparent canvas. The problem that I am facing is that whenever I enable my eraser, it draws a solid black trail while I have my finger down, but once I release it goes to transparent. See the screen shots below: This is how it looks while my finger is on the screen - a solid black trail This is what it looks like once I remove my
订阅 eraser