screenshot

问题 Currently I'm trying to capture a screenshot using the Selenium WebDriver. But I can only obtain the whole page screen shot. However, what I wanted is just to capture a part of the page or perhaps just on specific element based on ID or any specific element locator. (For example, I wish to capture the picture with image id = "Butterfly") Is there any way to capture a screenshot by selected item or element? 回答1: We can get the element screenshot by cropping entire page screenshot as below:

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . What is a good command line tool to create screenshots of websites on Linux? I need to automatically generate screenshots of websites without human interaction. The only tool that I found was khtml2png, but I wonder if there are others that aren't based on khtml (i.e. have good JavaScript support, ...). 回答1: A

问题 Here is the html codes : <div id="divPage"> div_Page <br/> <img id="captchaimglogin" src="https://www.emirates.com/account/english/login/login.aspx?cptLogin_captcha=86e2a65e-f170-43b6-9c87-41787ff64a35&t=88d296b19e5e8000&mode=ssl" border="0" /> </div> <br/> <input type="button" id="btnSave" value="Save PNG"/> And here is jquery codes : $(function() { $("#btnSave").click(function() { html2canvas($("#divPage"), { onrendered: function(canvas) { document.body.appendChild(canvas); } });

问题 I can capture Android device screen: adb shell screencap -p | perl -pe 's/\x0D\x0A/\x0A/g' > adb-screenshot-$(date +%Y%m%d-%H%M%S).png How can I squash all those images into single GIF? 回答1: Ok, I found it. First done screenshots in single folder and then converted it all to GIF like this: convert *.png screens.gif Installed ImageMagick as described here. On Mac OS X, I've installed it like this: brew install ImageMagick . 回答2: You can use the convert command of ImageMagick to combine your

问题 This question already has answers here : Taking screenshot of screen(programmatically) (2 answers) Closed 6 years ago . I know this question has been asked many times.I am aware of two ways to do it.(1)Using screenshot library(But I am getting black screen all the time).(2)getting data from frame buffer with rooting||\dev\graphics\fb0||(But it is always 0 byte and I do not know exact location where current screenshot of device is stored).My preferred requirement is getting better frame rate

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 2 years ago . I have two questions: 1. How can I take screenshot after every 1 min, when a key is pressed E.g. 10:00: -> key pressed -> Img1 10:01: -> key pressed -> Img2 10:02: -> key pressed -> Img3 2. How can I iterate the image chain assuming my program runs for 5-10 mins string ImgPath = @

问题 I want to create an image of a view before it's rendered as a preview. I tried Take a screenshot of a whole View but the problem is that it gives a blank bitmap because the view was not rendered at that time. I also tried drawing cache, but it gives me a blank bitmap as well. Is there anyway that I can create an image of a view before it's rendered on the screen? Thanks in advance! 回答1: Every View class support the creating of an image of its current display. The following coding shows an

问题 I am trying to save a screenshot in a specific directory using Matlab. I am able to generate the screenshot but I find no solution to save it in a specific directory. I have tried save and saveas but get error messages...Any ideas? Really appreciate any help. robo = java.awt.Robot; t = java.awt.Toolkit.getDefaultToolkit(); rectangle = java.awt.Rectangle(t.getScreenSize()); image = robo.createScreenCapture(rectangle); filehandle = java.io.File(sprintf('%s_screencapture.jpg',current_stock));

问题 I am looking for a way to take screenshots of android device programmatically. I have looked at several solutions in stackoverflow that involve taking a screenshot of the running activity. I want to mimic the behavior that is by default triggered in Android by pressing volume down and power button simultaneously. Please note, I don't want to take screenshot of my own activity or running activity. I want to, for example, launch a dialog activity with a button, and when the button is clicked, I

问题 I'm working on an Augmented Reality app for a client. The OpenGL and EAGL part has been done in Unity 3D, and implemented into a View in my application. What i need now, is a button that snaps a screenshot of the OpenGL content, which is the backmost view. I tried writing it myself, but when i click a button with the assigned IBAction, it only saves 1/4 of the screen (the lower left corner) - though it does save it to the camera roll. So basically, how can i make it save the entire screensize