screenshot

问题 My code is as follow : protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button upload = (Button) findViewById(R.id.screeshotdButton); upload.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { folderCheck(); } }); } private void folderCheck(){ File folder = new File(Environment.getExternalStorageDirectory() + "/cloze_screenshots"); boolean success = true; // If the folder

问题 I have asked this question before but now with more elaborate way. I working on this for past two months and the result is zero. All i need is .i am allowing the client to create a diagram by dropping the images on a div whose background is a esri Map . When they clik save ,the snapshot of the whole div has to be saved as image in database. If some one could suggest activx plug-in for taking print screen ot capture the client screen .pls suggest EDITED I tried something like savefrom URL ,but

问题 I have a problem with creating a screenshot of a scatterview. My screenshot always contains a black frame. Here's my XAML-Code: <s:SurfaceWindow xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="http://schemas.microsoft.com/surface/2008" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" x:Class="MakeScreenshots

问题 How to take screenshot of AVplayerLayer. I tried with the following code it works well, it captures the entire view as it was func screenShotMethod() { let window = UIApplication.shared.delegate!.window!! //capture the entire window into an image UIGraphicsBeginImageContextWithOptions(window.bounds.size, false, UIScreen.main.scale) window.drawHierarchy(in: window.bounds, afterScreenUpdates: false) let windowImage = UIGraphicsGetImageFromCurrentImageContext() UIGraphicsEndImageContext() //now

问题 So i need to get a bunch of screenshots every second, like 5. I am using it to program a bot for a game. However imagegrab method takes like 0.3 seconds, which is terribly slow for me. Even after specifying the bbox values it still takes like 0.3 seconds. I think should mention that I am on a mac. Is there a better way for me I even tried the os.system("screencapture filename.png") which has a runtime of 0.15-0.2 seconds which is nice but I want to go faster. 回答1: Another solution is to use

问题 I have a screenshot of the entire screen, screenshot , generated using the following: let layer = UIApplication.sharedApplication().keyWindow!.layer let scale = UIScreen.mainScreen().scale UIGraphicsBeginImageContextWithOptions(layer.frame.size, false, scale); layer.renderInContext(UIGraphicsGetCurrentContext()) let screenshot = UIGraphicsGetImageFromCurrentImageContext() UIGraphicsEndImageContext() I'd like to crop it so that the tab bar is not included, and I tried using the following code:

问题 Background: I'm developing a bussiness application, and in the final stages we are encountering some extrange errors, mostly with connection and some edge use cases. For this kind of exceptions, we now provide a nice dialog with error details, of which the user take a screenshot, and send by email with some remarks. Problem: I would like to provide a better experience, and provide a single button in the same dialog, wich uppon click, would open outlook and prepare the email, with a screenshot

问题 Screenshot captured using BitBlt in c# resulted a black image on Windows 10 . Please help me to resolve this. Screenshot is black image for Chrome (when hardware accelerated mode is on) and IE/Edge windows. Output image is black only for Edge, IE browser windows in Windows 10 and Chrome browser window when hardware accelerated mode is ON. Apart from all other windows including transparent windows screenshots are good. Here is the code: const int Srccopy = 0x00CC0020; var windowRect = new Rect

问题 I'm currently trying to take a screenshot using libx11 #include <X11/Xlib.h> #include <X11/Xutil.h> #include <stdio.h> int main(void) { XImage* pic; Display* dpl; unsigned int buffer_size; dpl = XOpenDisplay("127.0.0.1:0.0"); pic = XGetImage(dpl, RootWindow(dpl, DefaultScreen(dpl)), 10, 10, 201, 201, AllPlanes, ZPixmap); } if I compile the code using -lX11 and run it I keep getting a segmentation fault. Any ideas? Thanks in advance! 回答1: The X11 server does not usually listen on TCP/IP

问题 I'm currently trying to take a screenshot using libx11 #include <X11/Xlib.h> #include <X11/Xutil.h> #include <stdio.h> int main(void) { XImage* pic; Display* dpl; unsigned int buffer_size; dpl = XOpenDisplay("127.0.0.1:0.0"); pic = XGetImage(dpl, RootWindow(dpl, DefaultScreen(dpl)), 10, 10, 201, 201, AllPlanes, ZPixmap); } if I compile the code using -lX11 and run it I keep getting a segmentation fault. Any ideas? Thanks in advance! 回答1: The X11 server does not usually listen on TCP/IP