@uppy/image-editor/lib/Editor.js

Image editor and cropping UI

import { jsx as _jsx, jsxs as _jsxs } from "preact/jsx-runtime";
import Cropper from 'cropperjs';
import { Component, h } from 'preact';
import getCanvasDataThatFitsPerfectlyIntoContainer from './utils/getCanvasDataThatFitsPerfectlyIntoContainer.js';
import getScaleFactorThatRemovesDarkCorners from './utils/getScaleFactorThatRemovesDarkCorners.js';
import limitCropboxMovementOnMove from './utils/limitCropboxMovementOnMove.js';
import limitCropboxMovementOnResize from './utils/limitCropboxMovementOnResize.js';
export default class Editor extends Component {
    imgElement;
    cropper;
    constructor(props) {
        super(props);
        this.state = {
            angle90Deg: 0,
            angleGranular: 0,
            prevCropboxData: null,
        };
        this.storePrevCropboxData = this.storePrevCropboxData.bind(this);
        this.limitCropboxMovement = this.limitCropboxMovement.bind(this);
    }
    componentDidMount() {
        const { opts, storeCropperInstance } = this.props;
        this.cropper = new Cropper(this.imgElement, opts.cropperOptions);
        this.imgElement.addEventListener('cropstart', this.storePrevCropboxData);
        // @ts-expect-error custom cropper event but DOM API does not understand
        this.imgElement.addEventListener('cropend', this.limitCropboxMovement);
        storeCropperInstance(this.cropper);
    }
    componentWillUnmount() {
        this.cropper.destroy();
        this.imgElement.removeEventListener('cropstart', this.storePrevCropboxData);
        // @ts-expect-error custom cropper event but DOM API does not understand
        this.imgElement.removeEventListener('cropend', this.limitCropboxMovement);
    }
    storePrevCropboxData() {
        this.setState({ prevCropboxData: this.cropper.getCropBoxData() });
    }
    limitCropboxMovement(event) {
        const canvasData = this.cropper.getCanvasData();
        const cropboxData = this.cropper.getCropBoxData();
        const { prevCropboxData } = this.state;
        // 1. When we grab the cropbox in the middle and move it
        if (event.detail.action === 'all') {
            const newCropboxData = limitCropboxMovementOnMove(canvasData, cropboxData, prevCropboxData);
            if (newCropboxData)
                this.cropper.setCropBoxData(newCropboxData);
            // 2. When we stretch the cropbox by one of its sides
        }
        else {
            const newCropboxData = limitCropboxMovementOnResize(canvasData, cropboxData, prevCropboxData);
            if (newCropboxData)
                this.cropper.setCropBoxData(newCropboxData);
        }
    }
    onRotate90Deg = () => {
        // 1. Set state
        const { angle90Deg } = this.state;
        const newAngle = angle90Deg - 90;
        this.setState({
            angle90Deg: newAngle,
            angleGranular: 0,
        });
        // 2. Rotate the image
        // Important to reset scale here, or cropper will get confused on further rotations
        this.cropper.scale(1);
        this.cropper.rotateTo(newAngle);
        // 3. Fit the rotated image into the view
        const canvasData = this.cropper.getCanvasData();
        const containerData = this.cropper.getContainerData();
        const newCanvasData = getCanvasDataThatFitsPerfectlyIntoContainer(containerData, canvasData);
        this.cropper.setCanvasData(newCanvasData);
        // 4. Make cropbox fully wrap the image
        this.cropper.setCropBoxData(newCanvasData);
    };
    onRotateGranular = (ev) => {
        // 1. Set state
        const newGranularAngle = Number(ev.target.value);
        this.setState({ angleGranular: newGranularAngle });
        // 2. Rotate the image
        const { angle90Deg } = this.state;
        const newAngle = angle90Deg + newGranularAngle;
        this.cropper.rotateTo(newAngle);
        // 3. Scale the image so that it fits into the cropbox
        const image = this.cropper.getImageData();
        const scaleFactor = getScaleFactorThatRemovesDarkCorners(image.naturalWidth, image.naturalHeight, newGranularAngle);
        // Preserve flip
        const scaleFactorX = this.cropper.getImageData().scaleX < 0 ? -scaleFactor : scaleFactor;
        this.cropper.scale(scaleFactorX, scaleFactor);
    };
    renderGranularRotate() {
        const { i18n } = this.props;
        const { angleGranular } = this.state;
        return (_jsx("label", { role: "tooltip", "aria-label": `${angleGranular}º`, "data-microtip-position": "top", className: "uppy-ImageCropper-rangeWrapper", children: _jsx("input", { className: "uppy-ImageCropper-range uppy-u-reset", type: "range", onInput: this.onRotateGranular, onChange: this.onRotateGranular, value: angleGranular, min: "-45", max: "45", "aria-label": i18n('rotate') }) }));
    }
    renderRevert() {
        const { i18n, opts } = this.props;
        return (_jsx("button", { "data-microtip-position": "top", type: "button", className: "uppy-u-reset uppy-c-btn", "aria-label": i18n('revert'), onClick: () => {
                this.cropper.reset();
                this.cropper.setAspectRatio(opts.cropperOptions.initialAspectRatio);
                this.setState({ angle90Deg: 0, angleGranular: 0 });
            }, children: _jsxs("svg", { "aria-hidden": "true", className: "uppy-c-icon", width: "24", height: "24", viewBox: "0 0 24 24", children: [_jsx("path", { d: "M0 0h24v24H0z", fill: "none" }), _jsx("path", { d: "M13 3c-4.97 0-9 4.03-9 9H1l3.89 3.89.07.14L9 12H6c0-3.87 3.13-7 7-7s7 3.13 7 7-3.13 7-7 7c-1.93 0-3.68-.79-4.94-2.06l-1.42 1.42C8.27 19.99 10.51 21 13 21c4.97 0 9-4.03 9-9s-4.03-9-9-9zm-1 5v5l4.28 2.54.72-1.21-3.5-2.08V8H12z" })] }) }));
    }
    renderRotate() {
        const { i18n } = this.props;
        return (_jsx("button", { "data-microtip-position": "top", type: "button", className: "uppy-u-reset uppy-c-btn", "aria-label": i18n('rotate'), onClick: this.onRotate90Deg, children: _jsxs("svg", { "aria-hidden": "true", className: "uppy-c-icon", width: "24", height: "24", viewBox: "0 0 24 24", children: [_jsx("path", { d: "M0 0h24v24H0V0zm0 0h24v24H0V0z", fill: "none" }), _jsx("path", { d: "M14 10a2 2 0 012 2v7a2 2 0 01-2 2H6a2 2 0 01-2-2v-7a2 2 0 012-2h8zm0 1.75H6a.25.25 0 00-.243.193L5.75 12v7a.25.25 0 00.193.243L6 19.25h8a.25.25 0 00.243-.193L14.25 19v-7a.25.25 0 00-.193-.243L14 11.75zM12 .76V4c2.3 0 4.61.88 6.36 2.64a8.95 8.95 0 012.634 6.025L21 13a1 1 0 01-1.993.117L19 13h-.003a6.979 6.979 0 00-2.047-4.95 6.97 6.97 0 00-4.652-2.044L12 6v3.24L7.76 5 12 .76z" })] }) }));
    }
    renderFlip() {
        const { i18n } = this.props;
        return (_jsx("button", { "data-microtip-position": "top", type: "button", className: "uppy-u-reset uppy-c-btn", "aria-label": i18n('flipHorizontal'), onClick: () => this.cropper.scaleX(-this.cropper.getData().scaleX || -1), children: _jsxs("svg", { "aria-hidden": "true", className: "uppy-c-icon", width: "24", height: "24", viewBox: "0 0 24 24", children: [_jsx("path", { d: "M0 0h24v24H0z", fill: "none" }), _jsx("path", { d: "M15 21h2v-2h-2v2zm4-12h2V7h-2v2zM3 5v14c0 1.1.9 2 2 2h4v-2H5V5h4V3H5c-1.1 0-2 .9-2 2zm16-2v2h2c0-1.1-.9-2-2-2zm-8 20h2V1h-2v22zm8-6h2v-2h-2v2zM15 5h2V3h-2v2zm4 8h2v-2h-2v2zm0 8c1.1 0 2-.9 2-2h-2v2z" })] }) }));
    }
    renderZoomIn() {
        const { i18n } = this.props;
        return (_jsx("button", { "data-microtip-position": "top", type: "button", className: "uppy-u-reset uppy-c-btn", "aria-label": i18n('zoomIn'), onClick: () => this.cropper.zoom(0.1), children: _jsxs("svg", { "aria-hidden": "true", className: "uppy-c-icon", height: "24", viewBox: "0 0 24 24", width: "24", children: [_jsx("path", { d: "M0 0h24v24H0V0z", fill: "none" }), _jsx("path", { d: "M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z" }), _jsx("path", { d: "M12 10h-2v2H9v-2H7V9h2V7h1v2h2v1z" })] }) }));
    }
    renderZoomOut() {
        const { i18n } = this.props;
        return (_jsx("button", { "data-microtip-position": "top", type: "button", className: "uppy-u-reset uppy-c-btn", "aria-label": i18n('zoomOut'), onClick: () => this.cropper.zoom(-0.1), children: _jsxs("svg", { "aria-hidden": "true", className: "uppy-c-icon", width: "24", height: "24", viewBox: "0 0 24 24", children: [_jsx("path", { d: "M0 0h24v24H0V0z", fill: "none" }), _jsx("path", { d: "M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14zM7 9h5v1H7z" })] }) }));
    }
    renderCropSquare() {
        const { i18n } = this.props;
        return (_jsx("button", { "data-microtip-position": "top", type: "button", className: "uppy-u-reset uppy-c-btn", "aria-label": i18n('aspectRatioSquare'), onClick: () => this.cropper.setAspectRatio(1), children: _jsxs("svg", { "aria-hidden": "true", className: "uppy-c-icon", width: "24", height: "24", viewBox: "0 0 24 24", children: [_jsx("path", { d: "M0 0h24v24H0z", fill: "none" }), _jsx("path", { d: "M19 5v14H5V5h14m0-2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2z" })] }) }));
    }
    renderCropWidescreen() {
        const { i18n } = this.props;
        return (_jsx("button", { "data-microtip-position": "top", type: "button", className: "uppy-u-reset uppy-c-btn", "aria-label": i18n('aspectRatioLandscape'), onClick: () => this.cropper.setAspectRatio(16 / 9), children: _jsxs("svg", { "aria-hidden": "true", className: "uppy-c-icon", width: "24", height: "24", viewBox: "0 0 24 24", children: [_jsx("path", { d: "M 19,4.9999992 V 17.000001 H 4.9999998 V 6.9999992 H 19 m 0,-2 H 4.9999998 c -1.0999999,0 -1.9999999,0.9000001 -1.9999999,2 V 17.000001 c 0,1.1 0.9,2 1.9999999,2 H 19 c 1.1,0 2,-0.9 2,-2 V 6.9999992 c 0,-1.0999999 -0.9,-2 -2,-2 z" }), _jsx("path", { fill: "none", d: "M0 0h24v24H0z" })] }) }));
    }
    renderCropWidescreenVertical() {
        const { i18n } = this.props;
        return (_jsx("button", { "data-microtip-position": "top", type: "button", "aria-label": i18n('aspectRatioPortrait'), className: "uppy-u-reset uppy-c-btn", onClick: () => this.cropper.setAspectRatio(9 / 16), children: _jsxs("svg", { "aria-hidden": "true", className: "uppy-c-icon", width: "24", height: "24", viewBox: "0 0 24 24", children: [_jsx("path", { d: "M 19.000001,19 H 6.999999 V 5 h 10.000002 v 14 m 2,0 V 5 c 0,-1.0999999 -0.9,-1.9999999 -2,-1.9999999 H 6.999999 c -1.1,0 -2,0.9 -2,1.9999999 v 14 c 0,1.1 0.9,2 2,2 h 10.000002 c 1.1,0 2,-0.9 2,-2 z" }), _jsx("path", { d: "M0 0h24v24H0z", fill: "none" })] }) }));
    }
    render() {
        const { currentImage, opts } = this.props;
        const { actions } = opts;
        const imageURL = URL.createObjectURL(currentImage.data);
        return (_jsxs("div", { className: "uppy-ImageCropper", children: [_jsx("div", { className: "uppy-ImageCropper-container", children: _jsx("img", { className: "uppy-ImageCropper-image", alt: currentImage.name, src: imageURL, ref: (ref) => {
                            this.imgElement = ref;
                        } }) }), _jsxs("div", { className: "uppy-ImageCropper-controls", children: [actions.revert && this.renderRevert(), actions.rotate && this.renderRotate(), actions.granularRotate && this.renderGranularRotate(), actions.flip && this.renderFlip(), actions.zoomIn && this.renderZoomIn(), actions.zoomOut && this.renderZoomOut(), actions.cropSquare && this.renderCropSquare(), actions.cropWidescreen && this.renderCropWidescreen(), actions.cropWidescreenVertical &&
                            this.renderCropWidescreenVertical()] })] }));
    }
}