effect

问题 Can any one tell me how to do a border-bottom hover effect from bottom to top? Src: http://www.sony.com/electronics/playstation 回答1: Here is a simple sample using the pseudo element ::after The advantage using this in favor of the border-bottom , it will not move the element up and down a { position: relative; padding: 10px 20px; } a::after { content: ' '; position: absolute; left: 0; bottom: -5px; width: 100%; height: 0; background: blue; transition: height 0.3s; } a:hover::after { height:

问题 I'm create a simple shader for drawing progress bar in XNA. Idea is simple: there are two textures and value and if X texture coord less then value use pixel from foreground texture, else use background texture. /* Variables */ texture BackgroundTexture; sampler2D BackgroundSampler = sampler_state { Texture = (BackgroundTexture); MagFilter = Point; MinFilter = Point; AddressU = Clamp; AddressV = Clamp; }; texture ForegroundTexture; sampler2D ForegroundSampler = sampler_state { Texture =

问题 i use this code for change the size and the opacity of div and create the "zoom-effect" : $("#div5").click(function () { $('#wrap').animate({ 'opacity' : 0, 'zoom': 1.08, },500); $('#wrap').hide(500,function(){ $('#dBenefits').show(); $('#dBenefits').animate({ 'opacity' : +10, 'zoom': 1.08, },500); }); }); $('#back').click(function (){ $('#dBenefits').animate({ 'opacity' : 0, 'zoom': 1, },500); $('#dBenefits').hide(500, function (){ $('#wrap').show({'opacity' : 0,},500); $('#wrap').animate({

问题 i use this code for change the size and the opacity of div and create the "zoom-effect" : $("#div5").click(function () { $('#wrap').animate({ 'opacity' : 0, 'zoom': 1.08, },500); $('#wrap').hide(500,function(){ $('#dBenefits').show(); $('#dBenefits').animate({ 'opacity' : +10, 'zoom': 1.08, },500); }); }); $('#back').click(function (){ $('#dBenefits').animate({ 'opacity' : 0, 'zoom': 1, },500); $('#dBenefits').hide(500, function (){ $('#wrap').show({'opacity' : 0,},500); $('#wrap').animate({

问题 i've found a shake effect in stackoverflow question (here) Code is like below; jQuery.fn.shake = function(intShakes, intDistance, intDuration) { this.each(function() { $(this).css("position","relative"); for (var x=1; x<=intShakes; x++) { $(this).animate({left:(intDistance*-1)}, (((intDuration/intShakes)/4))) .animate({left:intDistance}, ((intDuration/intShakes)/2)) .animate({left:0}, (((intDuration/intShakes)/4))); } }); return this; }; but i need a way to add a callback function (or any

问题 How would I add an outer glow effect to a text of a UILabel. I tried to use the layer.shadow... properties but they are really just for a drop shadow. _count.backgroundColor = [UIColor clearColor]; _count.layer.masksToBounds = NO; _count.layer.shadowOpacity = .8; _count.layer.shadowRadius = 5.0; _count.layer.shadowColor = [UIColor whiteColor].CGColor; _count.layer.shadowOffset = CGSizeMake(0.0, 0.0); Thanks 回答1: So I determined there was no way to put this kind effect on text there are ways

问题 I using ffmpeg through Android-NDK . I've 2 pieces of the videos , The first one is my main video and the second one is my effect video. Now I wanna mix this 2 videos together, Is it possible ? Note : Both videos decoding through MP4 format. 回答1: I don't know how to translate this into the API offhand, but the command-line version of what you're trying to do is something like: ffmpeg -i main.mp4 -vf 'movie=effect.mp4 [f];[in][f] overlay=0:0 [out]' out.mp4 See the docs on movie and overlay for

问题 I need your help to know how to create an iPhone application to show a photo with SCRATCH OUT EFFECT. Something like the effect in this flash tutorial http://www.tutorial5.com/content/view/115/46/ Please help. Thanks. 回答1: You can have a look at the following post on how to create a blurred image effect, I don't think it's the best & fasted method, but it might get you started: UIImage blur 回答2: You can implement the scratch out effect by using CoreGraphics. Subclass UIView for the

问题 I use this code to play a short sound effect. This happens when user clicks the return button of the keyboard, which makes the keyboard click sound effect louder than usual. Is it possible to play the effect at certain volume without affecting system sounds? - (void)playCorrectAnswerSound { NSString *path = [[NSBundle mainBundle] pathForResource:@"correct" ofType:@"mp3"]; NSURL *urlPath = [NSURL fileURLWithPath:path]; self.player = [[AVAudioPlayer alloc] initWithContentsOfURL:urlPath error

问题 I have a WPF ListBox control which displays items of an RSS feed. I occasionally check the source of the RSS feed for new items. Once I detect a new item I add it to the observable collection which immediately adds the new item to the ListBox display. Is there a way to 'slide in' the new item from the top, pushing down the existing items? How would I achieve such an effect? Can it be done with a ListBox, or do I need to resort to my own container, such as a StackPanel and animate for example