I have code that generates multiple signature pads on a page, giving them a unique ID along the way. I would like to be able to do individual signaturePad.toDataURL() and calls and signaturePad.isEmpty() checks as I process a button click,…
I have a SVG filter saved in a file hosted on the same website as the canvas. The canvas attempts to use that filter to draw a filtered image, but the original image is rendered instead, ignoring the filter. The…
I have script that writes two triangle, blue and red. I want to make transparent this area instead of blue and red like Paper-cutting work. (I want to put the image background, so it must be transparent not white.) I…
I simulate an interactive view for a player. As long as a component of the game is within the view width, it should be possible to interact with it. With my code, it is not a problem to play the…
I'm trying to save an HTML div containing both text and images as an image. I've used canvas-based methods like html2canvas, but it takes a lot of time to generate the image, especially for larger or more complex content. Is…
I have a fabricjs canvas, and I'm trying to add an SVG to it. But whatever I do, I get problems. It keeps saying: "Uncaught (in promise) TypeError: t is not iterable". let svg = `<svg viewBox="-8 -8 136 136">…
How to make a signature pad canvas in signature-pad.js work responsively? My challenge is the following: I either get the cursor positioning while drawing correctly but lose the input on resize // OR // I save the input while resizing…
I would like to darken parts of the CustomPainter by applying another CustomPainter on-top of it while not affecting layers below it. The basic structure would be as follows: Stack( children: [ CustomPaint( painter: BottomPaint(), // unaffected child: const SizedBox.expand(),…
My goal is to read the PDF file through the PDF.js library and display the PDF in a dark mode with black background and white text and preserve the original state of the images from the document. With the help…
I am creating a game using JavaScript an HTML canvas on my webpage. I want to make the experience as smooth as possible, so I want to try and prevent any user actions, eg. scrolling, zooming, selection. I also want…