viewport

问题 Suppose I need to set an opacity mask on a WPF control that highlights a portion of it in precise position (suppose a 50x50 square at (50;50) position). To do that I create a DrawingGroup containing 2 GeometryDrawing objects: 1 semi-transparent rectangle for the whole actual size of the control and 1 opaque rectangle for highlighted area. Then I create a DrawingBrush from this DrawingGroup, set it's Stretch property to None and set this brush as OpacityMask of the control that needs to be

问题 I am new into SDL2(version 2.0.10) and I teach it from Lazy Foo tutorial. In Lesson of The ViewPort example code render me only first image in left viewport and others not. Render of rects in different viewports don't work either. What I am doing wrong when I want render rects in different viewports like this: while( !quit ){ while( SDL_PollEvent( &e ) != 0 ){ if( e.type == SDL_QUIT ){ quit = true; } } //Clear screen SDL_SetRenderDrawColor( gRenderer, 0xFF, 0xFF, 0xFF, 0xFF ); SDL_RenderClear

问题 I'm building a project for school, and I'm having issues with the background image. I've used this code snippet to do it (https://css-tricks.com/perfect-full-page-background-image/), and it works fine on desktop and on Chrome Dev Tools (for mobile devices, that is). It doesn't work properly when I open my website on Chrome or Safari on my phone. Screenshots as follows: Chrome on Phone Chrome on phone Here's my code on CSS: .container-hero { height: 100vh; width: 100%; background: url("..

问题 When I run a new page, I must specify size of the viewport using the setViewport function: await page.setViewport({ width: 1920, height: 1080 }) I want use max viewport. How can I make the viewport resizable according to the window size? 回答1: I may be very late on this. Nevertheless for others, try: const browser = await puppeteer.launch({defaultViewport: null}); Set the defaultViewport option to null as above to disable the 800x600 resolution. It takes the max resolution then. 回答2: You can

来源： https://stackoverflow.com/questions/38359782/how-to-lock-viewport-to-portrait-orientation-in-html5-css3

来源： https://stackoverflow.com/questions/38359782/how-to-lock-viewport-to-portrait-orientation-in-html5-css3

来源： https://stackoverflow.com/questions/46221210/jest-enzyme-how-to-test-at-different-viewports

来源： https://stackoverflow.com/questions/46221210/jest-enzyme-how-to-test-at-different-viewports

来源： https://stackoverflow.com/questions/28850230/my-website-doesnt-scroll-on-mobile-devices

来源： https://stackoverflow.com/questions/28850230/my-website-doesnt-scroll-on-mobile-devices