Interface ImageDataObject

Intermediate data of an image produced by visualizing a DataObject according to the conditions of a ColorMap. The RGBA color components are stored as a Uint8ClampedArray. It is almost the same as the ImageData available in browser and Deno environments, but it is defined independently so that it can be used uniformly even in Node.js and Bun environments where ImageData is not available.

Depending on the runtime environment, use the following functions to convert it to a final image.

• createCanvasByImageDataObject (converts to HTMLCanvasElement, limited to the browser main thread)
• createOffscreenCanvasByImageDataObject (converts to OffscreenCanvas, limited to the browser main thread or a web worker)
• createPngUint8ArrayByImageDataObject (converts to a Uint8Array of a PNG image in browser, Node.js, Deno, and Bun)

If an ImageDataObject is not needed, the following functions can convert directly from a DataObject and a ColorMap to an image.

• createCanvas (converts to HTMLCanvasElement, limited to the browser main thread)
• createOffscreenCanvas (converts to OffscreenCanvas, limited to the browser main thread or a web worker)
• createPng (converts to a Uint8Array of a PNG image in browser, Node.js, Deno, and Bun)