image-in-browser/lib/image/image-data.js

Package for encoding / decoding images, transforming images, applying filters, drawing primitives on images on the client side (no need for server Node.js)

import { ChannelOrder } from '../color/channel-order.js';
export function getImageDataBytes(data, opt) {
    var _a;
    const order = opt === null || opt === void 0 ? void 0 : opt.order;
    const inPlace = (_a = opt === null || opt === void 0 ? void 0 : opt.inPlace) !== null && _a !== void 0 ? _a : false;
    if (order === undefined) {
        return data.toUint8Array();
    }
    if (data.numChannels === 4) {
        if (order === ChannelOrder.abgr ||
            order === ChannelOrder.argb ||
            order === ChannelOrder.bgra) {
            const tempImage = inPlace ? data : data.clone();
            if (order === ChannelOrder.abgr) {
                for (const p of tempImage) {
                    const r = p.r;
                    const g = p.g;
                    const b = p.b;
                    const a = p.a;
                    p.r = a;
                    p.g = b;
                    p.b = g;
                    p.a = r;
                }
            }
            else if (order === ChannelOrder.argb) {
                for (const p of tempImage) {
                    const r = p.r;
                    const g = p.g;
                    const b = p.b;
                    const a = p.a;
                    p.r = a;
                    p.g = r;
                    p.b = g;
                    p.a = b;
                }
            }
            else if (order === ChannelOrder.bgra) {
                for (const p of tempImage) {
                    const r = p.r;
                    const g = p.g;
                    const b = p.b;
                    const a = p.a;
                    p.r = b;
                    p.g = g;
                    p.b = r;
                    p.a = a;
                }
            }
            return tempImage.toUint8Array();
        }
    }
    else if (data.numChannels === 3) {
        if (order === ChannelOrder.bgr) {
            const tempImage = inPlace ? data : data.clone();
            for (const p of tempImage) {
                const r = p.r;
                p.r = p.b;
                p.b = r;
            }
            return tempImage.toUint8Array();
        }
    }
    return data.toUint8Array();
}
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