voluptasquisquam/src/image/transform/rgba8.js

Image processing and manipulation in JavaScript

import Image from '../Image';

/**
 * Make a copy of the current image and convert to RGBA 8 bits
 * Those images are the one that are displayed in a canvas.
 * RGB model in 8 bits per channel and containing as well an alpha channel.
 * The source image may be:
 * * a mask (binary image)
 * * a grey image (8 or 16 bits) with or without alpha channel
 * * a color image (8 or 16 bits) with or without alpha channel in with RGB model
 * The conversion is based on {@link Image#getRGBAData}.
 * @memberof Image
 * @instance
 * @return {Image} - New image in RGB color model with alpha channel
 * @example
 * var rgbaImage = image.rgba8();
 */
export default function rgba8() {
    return new Image(this.width, this.height, this.getRGBAData(), {
        kind: 'RGBA',
        parent: this
    });
}