Exporting images using stage.toDataURL() ios devices will have black edges

konvajs / konva

Konva.js is an HTML5 Canvas JavaScript framework that extends the 2d context by enabling canvas interactivity for desktop and mobile applications.

http://konvajs.org/

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Closed Jonas949 closed 3 months ago

Jonas949 commented 3 months ago

When pixelRatio: window.devicePixelRatio is set using the stage.toDataURL() method, a black edge appears when the ios device exports images

If I don't set pixelRatio, there will be no black edges.

Android devices do not appear similar situation, please tell me how I should adapt.

Jonas949 commented 3 months ago

My export Settings.

lavrton commented 3 months ago

Please make a small online demo.