blur

问题 I have collectionView Cell In that i have this text,I want to blur the text as shown in image. I have tried Using UIVisualEffect but i didnt get exact response. Code: UIGraphicsBeginImageContext(self.bounds.size); [self.layer renderInContext:UIGraphicsGetCurrentContext()]; UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); //Blur the UIImage with a CIFilter CIImage *imageToBlur = [CIImage imageWithCGImage:viewImage.CGImage]; CIFilter

问题 Is it possible to have a background image on the Body tag, and then add blur filter on it, whitout getting the blur effect on the div's thats inside the body ? Or do U need to add it on the first div inside the body as I can see many ex. on ? 回答1: Using CSS filters, all child elements of the element being blurred will also be blurred. However, rather than clutter your markup with an extra div just for the sake of a bg image with blur, you can use a pseudo element. Don't forget to give it a z

问题 http://blurjs.com In the website above, the windows create a Gaussian blur effect like looking through frosted glass. I could put any text/image/element behind each of those windows and the blur effect of those things will be seen. So I tried the blur.js plugin itself, but it's simply not working for me: CSS: body { background-image: url(orangewallpaper.jpg); } #bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: -2; background: #FFF; background-size: cover

问题 This question already has answers here : Gaussian Blur onHover Using jQuery (4 answers) Closed 6 years ago . Hej! I need some jQuery that blurs my fullscreen background image 1000px in the middle (so: margin: 0 auto; width: 1000px;). Here's an example: http://imageshack.us/a/img443/4976/j7qj.jpg I know that this is less a question - but I need some help, because my jQuery (or JS) knowledge is less than basic. Anyway, I hope someone can help me. I'm using this for my fullscreen background

问题 Here's a fiddle: FIDDLE function blanker(){ var c = $('.whatever').html().replace("thisWillBlank", "<form><input type='text' id='thisWillBlank'></form>"); $('.whatever').html(c); } $('#alreadyBlanked').focus(); setTimeout(function(){blanker()}, 3000); Using JS/jquery/css I would just like for whichever form that has been clicked on, to remain in focus even if new ones appear. Thanks. 回答1: You're replacing the elements, so the old element is no longer available, but as long as it has an ID,

问题 I have a simple educational details page where I am generating textboxes dynamically to enter qualification details. When I try to validate the textboxes, the validation gets fired but not properly. If I try it 2-3 times then it becomes proper. In the first attempt alternate textboxes get validated. When I click on "add row" button a new row gets added but when I try to validate it for 2-3 attempts the validation error is not shown. After few more attempts the validation works. It is all very

问题 all, I want an image to blur (using the Blur effect) when the mouse hovers over it, and return to normal when the mouse leaves. I'm using WPF 4, XAML, and VB.NET 2010 in a Silverlight-based project. 回答1: The simplest way is to use the VisualStateManager and modify the MouseOverState <VisualStateGroup x:Name="CommonStateGroup"> <VisualState x:Name="MouseOverState"> <Storyboard> <DoubleAnimation From="10" To="0" Duration="00:00:02" Storyboard.TargetName="blurEffect" Storyboard.TargetProperty=

问题 I my app, i have one uiscrollview and have subview uiimageview on it, when user clicks any photo from library it display on that imageview, user can move,zoom and scale the image, when user clicks crops button it should crop that part which is in imageview, in iPhone 3GS its working perfectly fine, however in retina it not working correctly cropping is showing different image. - (UIImage *)currentSlice { CGSize sliceSize = imageView.frame.size; UIGraphicsBeginImageContextWithOptions(sliceSize

问题 I am using the CSS3 filter property and trying to get similar results in Chrome and Firefox, though the syntax and implementation differ in each browser. In Chrome I am using the following CSS to apply a blur effect to an image: #chrome-blur { -webkit-filter: blur(10px); } In Firefox I am using the following CSS to apply the blur effect, which references an SVG filter in the body of the page. #firefox-blur { filter: url(#blur); } This all works fine, however the Firefox version displays

问题 Forgive me if I am unable to explain well because I am not native speaker. I am working on blurring the part of image according to the white part of segmentation map. For example here is my segmentation image ( bmp image ). . Now what I want is to blur the part of original image where the pixels are white in the segmentation map. I just wrote the following code to so. mask = mask >= 0.5 mask = np.reshape(mask, (512, 512)) mh, mw = 512, 512 mask_n = np.ones((mh, mw, 3)) mask_n[:,:,0] *= mask