overlay

问题 I'm looking for a way to overlay the visible areas of a transparent black silhouette PNG file with a certain pattern. Is there a CSS, JavaScript, mixed solution for this? Example: I have one image of a weapon silhoutte and a set of camo patterns which I want to lay over the weapon. Demo: In Photoshop the same result is givin when selecting layer mask > overlay. Ps: my question is similar to this thread: Silhouette a PNG image using CSS except I am looking for the exact opposite. 回答1: You can

问题 I have problem with the custom actionbar and actionbar tabs for android 4.0.when my application run in the 4.4(in nexus 7.0 tabs)it works fine,but the problem with 4.0 device.the custom actionbar and tabbar are combined and it shown in the whole actionbar. like this Class package com.android.timeline; @SuppressLint({ "SimpleDateFormat", "NewApi" }) public class MainActivity extends FragmentActivity implements ActionBar.TabListener { public int width; private ActionBar actionBar; private

问题 I have a following snippet of code in my ASP.NET application (simplified): <asp:Panel ID="Panel7" runat="server"> <asp:TextBox ID="RecTextBox" runat="server" autocomplete="off" Height="18px" Width="800px"/> <ajaxToolkit:AutoCompleteExtender ID="AutoCompleteExtender1" runat="server" CompletionListCssClass="autocomplete_completionListElements" CompletionListHighlightedItemCssClass="autocomplete_highlightedListItem" CompletionListItemCssClass="autocomplete_listItem" CompletionSetCount="20"

问题 I wanting to create an app which displays a map and on top of this map, the roads and points of interests will be painted as lines and ovals. These lines and ovals will have listeners attached to them so the user can drag them around or delete them. I am using openstreetmaps with osmdroid however it seems to be exactly the same as Google Maps. I was thinking of extending the OverlayItem class to represent a point of interest or a road. The Overlay class would be extended and contain an

问题 I'd like to overlay a number of images (PNG, same size for all, with transparency). So far, my code is as follows. bg = New Bitmap(My.Resources.blue) g = Graphics.FromImage(bg) overlay = New Bitmap(tree.Image) g.DrawImage(overlay, 0, 0) Now, I would like to overlay one more image, but this is based on a user's input from a textbox. So, to get that image, we need to take the user's input, and get the respective resource file. I do it as follows: Dim stream As IO.Stream = Nothing Dim path As

问题 How to make a hardware overlay in Qt 5.1? This is what I have so far: QGLFormat fmt; fmt.setSamples(16); fmt.setOverlay(true); MainWidget w(fmt); w.show(); //////////////////////////////////////////////////////////////////////////////// MainWidget::MainWidget(const QGLFormat &format, QWidget *parent) : QGLWidget(format, parent) { qDebug() << format().hasOverlay() ? "Hardware overlay is supported" : "No hardware overlay support"; qDebug() << "OpenGL " + QString::number(this->format()

问题 How can I overlay a t-density to my histogram using R? Here's my function: simfun <- function(a=56.25102409,b=1.78977412,c=0.08664925,n=18,x1.sd=18.87671,x2.sd=18.87671,e.sd=18.87671) { X1 <- rnorm(n, mean=0, sd=x1.sd) X2 <- rnorm(n, mean=0, sd=x2.sd) e <- rnorm(n, mean=0, sd=e.sd) Z <- a+b*X1+c*X2+e data.frame(X1,X2,Z) } statfun <- function(samples) { coef(lm(Z~X1+X2,data=samples)) } library(plyr) B=raply(1000,statfun(simfun())) (hist(B[,2])) 回答1: Change the last line to: hist(B[,2], prob

问题 I am trying to build a small utility where someone can start watching an HTML5 video (not YouTube - this will stream from the same server the site is hosted on), click in a specific area of the video, have it pause and put a small circle on the video where they clicked. Once that occurs, a small window will pop up so the user can comment indicating why they clicked there (something wrong in the video, etc.). The basic HTML structure is this: <div id="videoContainer" style="margin-left: auto;

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 I have a JPanel with GroupLayout with 3 JLabels in it. I also have a hidden JButton in it. I have added a MouseListener to JPanel showing the button in mouseEntered and hide the button in mouseExited events respectively. At this time, their is space for button between 2 labels and their only the button is shown or hidden using setVisible(). When the btn is visible, the labels below it goes down making space for button and if the btn is hidden it again comes to its original size. What I want -