HTML5 canvas: is there a way to resize image with "nearest neighbour" resampling?

I have some JS that makes some manipulations with images. I want to have pixelart-like graphics, so I had to enlarge original images in graphics editor. But I think it'd be good idea to make all...

HTML5 drag and drop multiple images from one canvas to another canvas

Im new to HTML5 and jquery(2 weeks) and i need to create a drag and drop multiple images from one canvas to another canvas using jquery and html5 and also must be able to resize the images(my boss...

how to resize an SVG with Imagick/ImageMagick

I am sending a string representation of an SVG file to the server and using Imagick to turn this into a jpeg in the following manner: $image = stripslashes($_POST['json']); $filename =...

Sticky CSS Footer

Can someone help me make the original code from HTML5 Boilerplate Initializser, have the footer stick to the bottom of the browser, I've tried all manor of codes from web examples but...

Can I load a local file into an html canvas element?

My goal is to have users on iPad load an image into a canvas, then get the base 64 encoded said image all while being OFFLINE JSFiddle JSFiddle Code ...

Resize an image with javascript for use inside a canvas createPattern

I've seen a few tricks on how you resize an image you want to use inside an IMG-tag but I want to have an image variable inside a Javascript, resize it and then use the image inside...

How to compress an image via Javascript in the browser?

TL;DR; Is there a way to compress an image (mostly jpeg, png and gif) directly browser-side, before uploading it ? I'm pretty sure JavaScript can do this, but I can't find a way to achieve...

Getting binary (base64) data from HTML5 Canvas (readAsBinaryString)

Is there any way of reading the contents of a HTML Canvas as binary data? At the moment I've got the following HTML to show an input file and the canvas below it: <p><button id="myButton"...

HTML5 Canvas Resize (Downscale) Image High Quality?

I use html5 canvas elements to resize images im my browser. It turns out that the quality is very low. I found this:...

Resize image with javascript canvas (smoothly)

I'm trying to resize some images with canvas but I'm clueless on how to smoothen them. On photoshop, browsers etc.. there are a few algorithms they use (e.g. bicubic, bilinear) but I don't know if...

Resizing Image and fit it to the Canvas size

Can anyone help me to resize the image using ImageTk? I have a canvas and I will put pictures there. I have different kinds of pictures = different sizes for all pictures And when I attach the...

How to resize then crop an image with canvas

I already know how to -> resize an image: var image = document.getElementById('myImage'), canvas = document.createElement('canvas'), ctx =...

D3.js get the rendered dimensions of a tree when nodeSize is specified

I'm rendering a tree layout with d3.js. I need to use the nodeSize option because the number of nodes and breadth/depth is widely variable (data is loaded dynamically). Now I have an image export...

How to crop image and upload using ng-file-upload?

This is my view. <div class="btn btn-primary" ng-model="file" name="file" accept="image/*" ngf-select ngf-pattern="'image/*'" ngf-min-height="100" ngf-min-width="100" ...

HTML 5 Canvas] Image quality when I resize

thank you for taking a look. What I am trying to do here is... load image from computer (by using FileReader), put img tag's src to the file. Then draw canvas with that image. function...

How to set up image background in three.js?

I am trying to set up image background for my scene with globe in three.js, but unfortunately, when I did it the main object of my scene also became black (the same colour with background. I used...

Resize Bitmap to 512x512 Without changing original aspect ratio

I have a created bitmaps. Sizes are not specific. Sometimes 120x60 , 129x800 , 851x784. Its not have a specific value... I want to make these bitmaps resizing to 512x512 always but without...

HTML canvas displays image below canvas instead of inside canvas

I am trying to display a background image inside HTML5 canvas. I have made sure that the image and the html file are in the same folder, therefore, the image is displaying. I have also tried to...

Android, how to reduce the size of a bitmap?

I have an app that allows the user to change their profile image to another one that is stored on their device. For this, the app sends the selected image to a remote server. All this works well,...

canvas element resizing using window event

I am using typescript to draw canvas element. I would like to make my canvas element responsive to the screen size. So that I can match the canvas size to the parent div element. I have tried to...

Problem when using ghostscript in a subprocess to convert a .ps file into a .png file, and save the last one

I have a postscript file obtained by using the postscript method on a canvas(I created a scolled frame by using the ScrolledFrame class written by @furas (which uses canvas)). I want to save this...

Error: unexpected character at line 1 column 1 of the JSON data

While using particles.js with this JSON file, I obtain the following error: SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON dataparticles.js:1530:26 ...

Collision detection algorithm in Javascript

I want to create a function that make collision detection with two objects in canvas using JavaScript. I have coin objects and piggy bank objects. I am trying to create a function that when the...

How to position WPF controls within a Canvas on a Fullscreen window?

I am currently working on a full screen WPF app. The app goes fullscreen at the Window_Loaded event. Inside the window, I have a Canvas. Inside the Canvas, I have a MediaElement and 3 Images. Here...

Flutter - convert and resize asset image to dart ui image

I'm attempting to take an asset image, resize the image to an arbitrary width and height, and convert the image to a dart ui image so that I can draw the image on a canvas using the drawImage...

Is there a way to scan QR codes in colab?

I have a colab notebook and have been fruitlessly trying to find a way to scan a QR code that would be held up to my webcam. I have code to capture an image, if live QR code detection is a problem...

Flutter desktop custom game loop appears to drop frames

I'm testing a basic game loop for Flutter Desktop using the code below but it is not entirely smooth. It sort of seems to very briefly pause every half second or so and jump forward. I suspect...

Distorting images using FabricJS filters and custom controls, by dragging the corner control points image resizes from center

I have created a subclass in Fabric.js 4.3.0 extending fabric.Image, this helps me change the render function so that image will always fit in the bounding box. I have also created a custom filter...

Show thumbnail of youtube video in canvas using pytube and tkinter

i want to show a yt video's thumbnail using tkinter and pytube but it won't work my code is as follow: from tkinter import * import urllib.request, io from PIL import ImageTk, Image from pytube...

HTML Canvas not showing on Safari

I'm using the code in the Codepen below in order to create a full-width canvas that simulates video playback on an image sequence on scroll. It works fine in Chrome, but I can't manage to make it...