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问题 I am using an ImageList in C# to display images on buttons dynamically. When I set the image index, it displays the image like so: Here is the same image in Photoshop: 回答1: To anyone else who has this problem, Open all the images in an image editor and replace transparency with something like (255, 0, 255) and in Visual Studio set "Transparency Color" to (255, 0, 255). 回答2: I had same problem using image with transparent background. Setting appropriate color depth solved the issue. imageList

问题 I want make 2 different colors on the output image when using Imagemagick. I have an original image with "Hello World" in it. And a modified image with "Hello Warcraft" in the same area. The default compare command will give me a image and mark all the differences with red. Now I want to use 2 different colors like "orld" marked as red, and "arcraft" marked as another color, maybe blue. Is ImageMagick able to do this? If not, how to use ImageMagick to transfer a specified color to another one

问题 i trying use image from google drive at my html-page , i shared image and copied link to file. and pasted it to image tag: <img ng-src="https://drive.google.com/open?id=0B0etQtBsI2KmVGVmYjNOSS15VVk" /> but it don't displays: may be somebody knows how i can resolve it ? Thanks for your answers! 回答1: That won't work, the link you are using is an html page. Taken from question Displaying files (e.g. images) stored in Google Drive on a website Replace the open part of the link with uc and it will

问题 Okay, this is likely to be flagged as a repeated question, but please hear me out first. I have looked all over the internet and have tried various ways to show an image in a JFrame , but nothing has worked for me. Is there any simple, foolproof! way to show an image in JFrame ? Because if it's not foolproof, I'm sure to mess it up :/ 回答1: You can try this out, I have commented what I have done and where to try and make it understandable and included a bit about resizing from this post. See

问题 i want to creat an android app that shows all pixels of an image but when i zoom color of the corners of the pixels blend with other pixels around it i want pixels to show their color perfectly in their squares ( like pixel art or ms paint when you zoom it) i tried drawing a rectangle on canvas and drawing a bitmap 1×1 with color what i want but it blends here is a picture and code upper pic 4×4 what it creates lower pic what i want try{ //creating bitmap from other for background bt2 =

问题 If I add an item to a listview, the items is added but the image is not showed. I have to restart application to view it. The Item is correctly added but the image is not visible. here the cs. ObservableCollection<Libreria> items = new ObservableCollection<Libreria>(new Libreria().GetLibrerie()); public Home() { InitializeComponent (); lstLibrerie.ItemsSource = items; //pickerLibrerie.ItemsSource = new Libreria().GetLibrerie(); } public void Reload(Libreria newLib) { items.Insert(0, newLib);

问题 I render image by props like this : function AdImg(props) { const propImg = `http://localhost:5000/${props.img}`; return ( <img placeholder={require('../../../app-data/img/default.png')} alt="ad-img" className="img-fluid rounded" src={propImg} /> ); } export default AdImg; The propblem is when this component renders it doesn't show the placeholder till it render the actual image . How can I set a default placeholder image so it shows the placeholder till it renders the actual image ? 回答1:

问题 I'm trying to align an image in my bootstrap column to the right and have the text wrap around it on the left like this: https://codepen.io/freeCodeCamp/full/YqLyXB I've been researching flexbox and vertical align all day instead of doing my job (woops) and feel like it's time to just ask the experts. Here's what mine looks like: https://codepen.io/Seaplush/pen/rKVLmX .col2 img{ max-width: 100%; height: 50%; float: right; } .col2{ background-color: #cccccc; height: 50vh; display: flex; flex

问题 Using Python I am trying to convert each pixel of a B/W image to hex and store it in a '.txt' file. I have to use C for my application so its easier to read from a text file then do the entire conversion in C code. I have tweaked some example code from online, but I am still not very experienced with using Python. When I run my python script it only produces two hex values instead of eight. At first I thought this was from the image being B/W, but an RGB image should contain 0x000000 for

问题 The Fourier transform of the convolution (with stride 1) of two images is equivalent to point-wise multiplication of their individual Fourier transforms. I need to perform stride-'n' convolution using the above FFT-based convolution. For some reasons I need to operate in the frequency domain itself after taking the point-wise product of the transforms, and not come back to space domain by taking inverse Fourier transform, so I cannot drop the excess values from the inverse Fourier transform