Questions tagged [konvajs]

Konva stands out as a powerful HTML5 Canvas JavaScript framework offering top-notch capabilities for creating high-performance animations, transitions, node nesting, layering, filtering, caching, and event handling designed specifically for both desktop and mobile applications.

When using Konva getContext('2d') to retrieve image data, the data returned may be incorrect when viewing the image at varying resolutions and levels of zoom

Recently, I began using Konva and everything was functioning properly. However, when I opened the same HTML page on a 1920x1080 monitor with 150% zoom, I noticed that the data points array was incorrect at this resolution. layer.getContext('2d').getImageD ...

Save Konva as an image on the server without the need for rendering

I have a specific template that allows users to change the image within it, triggering the server to generate a new image automatically. This is the main goal I am aiming for. Previously, I created a JSON file from the template. Now, I am looking to expor ...

"Exploring multi-touch gestures with KonvaJS for panning and zooming on

Having recently switched to a Macbook, I am using KonvaJS, specifically `vue-konva`. I am looking to enable two-finger scrolling and panning. Although I have the `mousemove`/`mouseup`/`mousedown` event set up for one-click panning, I am struggling with imp ...

What could I be overlooking in utilizing the Vue.js Konva library for showcasing a basic image?

After reviewing the sample code provided on the vue-konva page, I gained insight into creating shapes and decided to attempt displaying a simple image as a starting point. The base code is shown below. My inquiry revolves around how to properly attach the ...