Canvas drawImage() with image doesn’t draw anything

I want to change all images src of document to dataURL. I am trying to draw all image in canvas through for of loop but it doesn’t work. Help me! <...

What’s wrong with the addEventListeners

the vector should be able to be pulled and repositioned. ugh!. I have it up on fiddle at jsFiddle var canvas = document.getElementById(‘cv2’), c = canvas.getContext(‘2d’); var wide = canvas….

drawStar() with mouse inside canvas mouse up mouse down

What am I missing? The drawCircle and DrawPolygon (it is located in codepen https://codepen.io/mancod/pen/oNYdrVL work fine. I am still very new to all this still, and beat myself up as nothing in …

Assign a linearGradient to a canvas background color

I have created a gradient, and wish to make it the background color of the canvas, but the canvas doesn’t work with it. the rectangle which I drew to ensure the validity of the gradient works just …

Canvas linear gradient taking the value of another input type color field

So I have this simple image editor where I’m using a canvas to draw in a user-selected image and some texts. That is the user can upload an image and then if they want they can add texts or just …

I want to change the color of an image inside a image in html5-canvas

I’m using canvas to make a badge. To draw the image I used the code : let image = new Image() image.src = ‘imageSource’ image.onload = () => { ctx.drawImage(image, xOffset, yOffset, newWidth, …

Performances of ‘lineTo’ method when going beyond canvas dimensions

Using a canvas context, assuming I call beginPath then twice lineTo with x=-999, y=-999 and x=50, y=50 then finally stroke, it will draw a line from the top-left corner to the (50,50) point. During …

How to keep drawing on canvas when scrolling?

I’m wanting to implement canvas as background for my website so users can use their cursors to paint on the webpage like this codepen: https://codepen.io/cocotx/pen/PoGRdxQ?editors=1010 (this is an …

Promise never gets resolved in javascript

I have a asyn function in which I call another function that return a promise and also calls to another async function. Here is the code: async function asyncAwaitRepeat(index) { if(index < 9) {...

Canvas 2DPath Clip overlap pr

I’m trying to create one compound shape in canvas that masks all the content below it – i will be animating these paths so they will eventually intersect – the problem is, when they intersect, they …