@shopify/react-native-skia/lib/module/headless/index.js

High-performance React Native Graphics using Skia

// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore

import { JsiSkApi } from "../skia/web";
import { SkiaRoot } from "../renderer/Reconciler";
import { JsiDrawingContext } from "../dom/types";
export * from "../renderer/components";
let Skia;
export const makeOffscreenSurface = (width, height) => {
  if (!Skia) {
    Skia = JsiSkApi(CanvasKit);
  }
  const surface = Skia.Surface.MakeOffscreen(width, height);
  if (surface === null) {
    throw new Error("Couldn't create surface!");
  }
  return surface;
};
export const getSkiaExports = () => {
  if (!Skia) {
    Skia = JsiSkApi(CanvasKit);
  }
  return {
    Skia
  };
};
export const drawOffscreen = (surface, element) => {
  const root = new SkiaRoot(Skia, false);
  root.render(element);
  const canvas = surface.getCanvas();
  const ctx = new JsiDrawingContext(Skia, canvas);
  root.dom.render(ctx);
  root.unmount();
  surface.flush();
  return surface.makeImageSnapshot();
};
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