screenshot
How do take a screenshot correctly with xlib?
You are mistaken about the way array is laid out in memory, as you can find out by declaring img before the loop and adding this printf to your inner loop: printf(“%ld %ld %u %u %u\n”,x,y,pic.offset(x,y,0),pic.offset(x,y,1),pic.offset(x,y,2)); This yields (on my 1920×1200 screen): 0 0 0 2304000 4608000 0 1 1920 2305920 4609920 0 2 3840 … Read more
Is it possible to take a screenshot of the whole page with Selenium/Capybara?
In case anyone washed up this shore looking for how to do this with Poltergeist you just need to pass the full argument: page.save_screenshot(‘screen.png’, full: true) # If providing a custom file name. page.save_screenshot(full: true) # Capybara sets a name based on timestamp. page.save_and_open_screenshot(‘screen.png’, full: true) # Same as save_screenshot. page.save_and_open_screenshot(full: true) # Same as … Read more
Xcode 9 – Simulator: Screenshots taken are not of correct resolution for ItunesConnect / AppStore Connect
In Xcode 9.1, go to Simulator Menu > Debug > Optimize Rendering for Window Scale. disable this option, now the screenshots will be in the right size (resolution).
C# – Capturing the Mouse cursor image
While I can’t explain exactly why this happens, I think I can show how to get around it. The ICONINFO struct contains two members, hbmMask and hbmColor, that contain the mask and color bitmaps, respectively, for the cursor (see the MSDN page for ICONINFO for the official documentation). When you call GetIconInfo() for the default … Read more
How to take a screenshot of a WPF control?
A screenshot is a shot of the screen… everything on the screen. What you want is to save an image from a single UIElement and you can do that using the RenderTargetBitmap.Render Method. This method takes a Visual input parameter and luckily, that is one of the base classes for all UIElements. So assuming that … Read more
Webdriver Screenshot in Python
Use driver.save_screenshot(‘/path/to/file’) or driver.get_screenshot_as_file(‘/path/to/file’): import selenium.webdriver as webdriver import contextlib @contextlib.contextmanager def quitting(thing): yield thing thing.quit() with quitting(webdriver.Firefox()) as driver: driver.implicitly_wait(10) driver.get(‘http://www.google.com’) driver.get_screenshot_as_file(‘/tmp/google.png’) # driver.save_screenshot(‘/tmp/google.png’)
How to take a screenshot with Selenium WebDriver?
Java Yes, it is possible. The following example is in Java: WebDriver driver = new FirefoxDriver(); driver.get(“http://www.google.com/”); File scrFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE); // Now you can do whatever you need to do with it, for example copy somewhere FileUtils.copyFile(scrFile, new File(“c:\\tmp\\screenshot.png”));
Fastest method for screen capturing on Linux
This is possible using VirtualGL in a server with hardware acceleration. Basically just configure the server appropiately, then either on the same machine or on a machine in the same network, run export DISPLAY=<your xvfb display> vglrun <your_app> This will have the following advantages: 1) your app will render using virtualGL, which will use the … Read more