Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 3 years ago. Improve this question I’m trying to write a script to download images using node.js. This is what I … Read more
My Express app is receiving a base64-encoded PNG from the browser (generated from canvas with toDataURL() ) and writing it to a file. But the file isn’t a valid image file, and the “file” utility simply identifies it as “data”. var body = req.rawBody, base64Data = body.replace(/^data:image\/png;base64,/,””), binaryData = new Buffer(base64Data, ‘base64’).toString(‘binary’); require(“fs”).writeFile(“out.png”, binaryData, “binary”, … Read more
I know that it is impossible to actually modify an image with CSS, which is why I put crop in quotes. What I’d like to do is take rectangular images and use CSS to make them appear square without distorting the image at all. I’d basically like to turn this: Into this: 11 Answers 11
What libraries, extensions etc. would be required to render a portion of a PDF document to an image file? Most PHP PDF libraries that I have found center around creating PDF documents, but is there a simple way to render a document to an image format suitable for web use? Our environment is a LAMP … Read more
I have a large bitmap (say 3888×2592) in a file. Now, I want to resize that bitmap to 800×533 and save it to another file. I normally would scale the bitmap by calling Bitmap.createBitmap method but it needs a source bitmap as the first argument, which I can’t provide because loading the original image into … Read more
I need to put an image in my page. I want to disable dragging of that image. I am trying lot of things but no help. Can somebody help me out ? I don’t want to keep that image as a background-image because I am resizing the image. 25 Answers 25
I have made a small demo site and on it I am storing images within a image column on the sql server. A few questions I have are… Is this a bad idea? Will it affect performance on my site when it grows? The alternative would be to store the image on disc and only … Read more
How to draw a rectangle on an image, like this: import matplotlib.pyplot as plt from PIL import Image import numpy as np im = np.array(Image.open(‘dog.png’), dtype=np.uint8) plt.imshow(im) I don’t know how to proceed. 4 Answers 4
I cannot get the colorbar on imshow graphs like this one to be the same height as the graph, short of using Photoshop after the fact. How do I get the heights to match? 7 Answers 7
I have an image in my project stored at Resources/myimage.jpg. How can I dynamically load this image into Bitmap object? 16 Answers 16
