mc-image-editor
Version:
An image editor library for magic-cut app (http://www.magic-cut.in/)
870 lines (853 loc) • 39.2 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/common'), require('lodash'), require('rxjs')) :
typeof define === 'function' && define.amd ? define('mc-image-editor', ['exports', '@angular/core', '@angular/common', 'lodash', 'rxjs'], factory) :
(global = global || self, factory(global['mc-image-editor'] = {}, global.ng.core, global.ng.common, global._, global.rxjs));
}(this, (function (exports, i0, common, _, rxjs) { 'use strict';
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
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var FileRepositoryService = /** @class */ (function () {
function FileRepositoryService() {
this.scopes = {};
}
FileRepositoryService.prototype.scope = function (scope) {
if (!this.scopes[scope]) {
this.scopes[scope] = [];
}
return this.scopes[scope];
};
return FileRepositoryService;
}());
FileRepositoryService.ɵprov = i0.ɵɵdefineInjectable({ factory: function FileRepositoryService_Factory() { return new FileRepositoryService(); }, token: FileRepositoryService, providedIn: "root" });
FileRepositoryService.decorators = [
{ type: i0.Injectable, args: [{
providedIn: 'root',
},] }
];
var FileReaderComponent = /** @class */ (function () {
function FileReaderComponent(fileRepositoryService) {
this.fileRepositoryService = fileRepositoryService;
this.fileAppend = new i0.EventEmitter();
this.accept = '*';
this.scope = '';
}
Object.defineProperty(FileReaderComponent.prototype, "multiple", {
get: function () {
return this._multiple;
},
set: function (value) {
this._multiple = typeof value !== 'undefined';
},
enumerable: false,
configurable: true
});
Object.defineProperty(FileReaderComponent.prototype, "dropzone", {
get: function () {
return this._dropzone;
},
set: function (value) {
this._dropzone = typeof value !== 'undefined';
if (!this._dropzone) {
this._multiple = true;
}
},
enumerable: false,
configurable: true
});
FileReaderComponent.prototype.onDragOver = function ($event) {
$event.stopPropagation();
$event.preventDefault();
};
FileReaderComponent.prototype.onDrop = function ($event) {
$event.stopPropagation();
$event.preventDefault();
};
FileReaderComponent.prototype.readFiles = function (files) {
var _this = this;
var changed = __spread(files).map(function (f) {
if (f.type.match(_this.accept.replace('*', '.*'))) {
_this.fileRepositoryService.scope(_this.scope).push(f);
return f;
}
});
this.fileAppend.emit(changed);
return changed;
};
FileReaderComponent.prototype.onFilesAppend = function (files) {
this.fileAppend.emit(this.readFiles(files));
};
return FileReaderComponent;
}());
FileReaderComponent.decorators = [
{ type: i0.Component, args: [{
selector: 'mc-file-reader',
template: "<div *ngIf=\"dropzone\" (drop)=\"onFilesAppend($event.dataTransfer.files)\">\n\t<ng-content></ng-content>\n</div>\n<input\n\t*ngIf=\"!dropzone\"\n\ttype=\"file\"\n\t[multiple]=\"multiple\"\n\t[accept]=\"accept\"\n\t(change)=\"readFiles($event.target.files)\"\n/>\n",
changeDetection: i0.ChangeDetectionStrategy.OnPush,
styles: [""]
},] }
];
FileReaderComponent.ctorParameters = function () { return [
{ type: FileRepositoryService }
]; };
FileReaderComponent.propDecorators = {
fileAppend: [{ type: i0.Output }],
accept: [{ type: i0.Input }],
scope: [{ type: i0.Input }],
multiple: [{ type: i0.Input }],
dropzone: [{ type: i0.Input }],
onDragOver: [{ type: i0.HostListener, args: ['dragover', ['$event'],] }],
onDrop: [{ type: i0.HostListener, args: ['drop', ['$event'],] }]
};
var ImageCropperService = /** @class */ (function () {
function ImageCropperService() {
this.name = 'crop';
}
ImageCropperService.prototype.apply = function (ctx, image, sx, sy, sw, sh, dx, dy, dw, dh) {
ctx.drawImage(image, sx, sy, sw, sh, dx, dy, dw, dh);
};
return ImageCropperService;
}());
ImageCropperService.ɵprov = i0.ɵɵdefineInjectable({ factory: function ImageCropperService_Factory() { return new ImageCropperService(); }, token: ImageCropperService, providedIn: "root" });
ImageCropperService.decorators = [
{ type: i0.Injectable, args: [{
providedIn: 'root',
},] }
];
var AvailableFeatures = /** @class */ (function () {
function AvailableFeatures(imageCropper) {
this.imageCropper = imageCropper;
}
return AvailableFeatures;
}());
AvailableFeatures.ɵprov = i0.ɵɵdefineInjectable({ factory: function AvailableFeatures_Factory() { return new AvailableFeatures(i0.ɵɵinject(ImageCropperService)); }, token: AvailableFeatures, providedIn: "root" });
AvailableFeatures.decorators = [
{ type: i0.Injectable, args: [{
providedIn: 'root',
},] }
];
AvailableFeatures.ctorParameters = function () { return [
{ type: ImageCropperService }
]; };
var EditableImageService = /** @class */ (function () {
function EditableImageService(data, editor) {
var _this = this;
this.editor = editor;
this.image = new Image();
this.imageLoaded = new rxjs.ReplaySubject();
this.canvas = document.createElement('canvas');
this.context = this.canvas.getContext('2d');
var reader = new FileReader();
if (data instanceof File) {
this.name = data.name;
}
rxjs.fromEvent(reader, 'load').subscribe(function (e) {
_this.image.src = e.target.result;
});
rxjs.fromEvent(this.image, 'load').subscribe(function (e) {
_this.imageLoaded.next(e);
});
reader.readAsDataURL(data);
}
Object.defineProperty(EditableImageService.prototype, "ready", {
get: function () {
return this.imageLoaded.asObservable();
},
enumerable: false,
configurable: true
});
EditableImageService.prototype.apply = function (feature) {
var _this = this;
var args = [];
for (var _i = 1; _i < arguments.length; _i++) {
args[_i - 1] = arguments[_i];
}
this.ready.subscribe(function () {
var _a;
(_a = _this.editor[feature]).apply.apply(_a, __spread([_this.context, _this.image], args));
});
return this;
};
EditableImageService.prototype.applyCustom = function (fn) {
var _this = this;
this.ready.subscribe(function () {
fn(_this.context, _this.image);
});
return this;
};
EditableImageService.prototype.getDataURL = function (type, quality) {
if (type === void 0) { type = 'image/png'; }
if (quality === void 0) { quality = 0.92; }
this.dataURL = this.canvas.toDataURL(type, quality);
return this.dataURL;
};
EditableImageService.prototype.getBlob = function (type, quality) {
if (type === void 0) { type = 'image/png'; }
if (quality === void 0) { quality = 0.92; }
var base64 = this.canvas.toDataURL(type, quality);
var binStr = atob(base64.split(',')[1]);
var len = binStr.length;
var arr = new Uint8Array(len);
for (var i = 0; i < len; i++) {
arr[i] = binStr.charCodeAt(i);
}
this.blob = new Blob([arr], { type: type });
this.blob.hasDataURL = true;
this.blob.toJSON = function () {
return {
name: this.name,
size: this.size,
type: this.type,
dataURL: base64,
};
};
this.blob.toString = this.blob.toJSON;
return this.blob;
};
return EditableImageService;
}());
var ImageEditorService = /** @class */ (function () {
function ImageEditorService(availableFeatures) {
this.features = {};
for (var f in availableFeatures) {
if (availableFeatures[f]) {
this.registerFeature(availableFeatures[f]);
}
}
}
ImageEditorService.prototype.registerFeature = function (feature) {
if (this.features[feature.name] &&
this.features[feature.name] === feature) {
throw new Error(feature.name + " is already registered");
}
this.features[feature.name] = feature;
};
ImageEditorService.prototype.edit = function (image) {
return new EditableImageService(image, this.features);
};
return ImageEditorService;
}());
ImageEditorService.ɵprov = i0.ɵɵdefineInjectable({ factory: function ImageEditorService_Factory() { return new ImageEditorService(i0.ɵɵinject(AvailableFeatures)); }, token: ImageEditorService, providedIn: "root" });
ImageEditorService.decorators = [
{ type: i0.Injectable, args: [{
providedIn: 'root',
},] }
];
ImageEditorService.ctorParameters = function () { return [
{ type: AvailableFeatures }
]; };
var ImageCropperComponent = /** @class */ (function () {
function ImageCropperComponent(editor, el) {
this.editor = editor;
this.el = el;
this.imagePosition = { x: 0, y: 0 };
this.originalImageDimensions = { width: 0, height: 0 };
this.imageDimensions = { width: 0, height: 0 };
this.zoomConfig = { value: 1, max: 4 };
this.configChange = new i0.EventEmitter();
}
Object.defineProperty(ImageCropperComponent.prototype, "image", {
set: function (value) {
this.initImageCrop(value);
},
enumerable: false,
configurable: true
});
Object.defineProperty(ImageCropperComponent.prototype, "zoom", {
get: function () {
return this.zoomConfig.value;
},
set: function (value) {
var _this = this;
this.editable.ready.subscribe(function () {
_this.setZoom(value);
});
},
enumerable: false,
configurable: true
});
Object.defineProperty(ImageCropperComponent.prototype, "top", {
get: function () {
return this.imagePosition.y;
},
set: function (value) {
var _this = this;
this.editable.ready.subscribe(function () {
_this.imagePosition.y = 0;
_this.moveDelta = { y: 0, x: _this.imagePosition.x };
_this.move({
clientY: parseInt(value, 10),
clientX: _this.imagePosition.x,
});
delete _this.moveDelta;
});
},
enumerable: false,
configurable: true
});
Object.defineProperty(ImageCropperComponent.prototype, "left", {
get: function () {
return this.imagePosition.x;
},
set: function (value) {
var _this = this;
this.editable.ready.subscribe(function () {
_this.imagePosition.x = 0;
_this.moveDelta = { x: 0, y: _this.imagePosition.y };
_this.move({
clientX: parseInt(value, 10),
clientY: _this.imagePosition.y,
});
delete _this.moveDelta;
});
},
enumerable: false,
configurable: true
});
Object.defineProperty(ImageCropperComponent.prototype, "maxZoom", {
get: function () {
return this.zoomConfig.max;
},
set: function (value) {
this.zoomConfig.max = parseFloat(value);
},
enumerable: false,
configurable: true
});
ImageCropperComponent.prototype.triggerMove = function () {
window.addEventListener('mousemove', this.eventListeners.mousemove, false);
window.addEventListener('mouseup', this.eventListeners.mouseup, false);
return false;
};
ImageCropperComponent.prototype.initImageCrop = function (image) {
var _this = this;
this.editable = this.editor.edit(image);
this.editable.ready.subscribe(function () {
var previewDimensions = _this.getComputedDimensions(_this.el.nativeElement);
var fittingDimensions = _this.fitArea({ width: _this.cropWidth, height: _this.cropHeight }, { width: previewDimensions.width, height: previewDimensions.height });
var _a = _this.addTransparentBorder(previewDimensions, fittingDimensions), vborder = _a.vborder, hborder = _a.hborder;
_this.borders = { vborder: vborder, hborder: hborder };
var fillingDimensions = _this.fillArea({
width: _this.editable.image.width,
height: _this.editable.image.height,
}, { width: fittingDimensions.width, height: fittingDimensions.height });
_this.editable.canvas.width = _this.cropWidth;
_this.editable.canvas.height = _this.cropHeight;
_this.previewImage.nativeElement.src = _this.editable.image.src;
var img = _this.previewImage.nativeElement;
img.style.left =
hborder +
(fittingDimensions.width - fillingDimensions.width) / 2 +
'px';
img.style.top =
vborder +
(fittingDimensions.height - fillingDimensions.height) / 2 +
'px';
img.style.width = fillingDimensions.width + 'px';
img.style.height = fillingDimensions.height + 'px';
_this.originalImageDimensions = fillingDimensions;
_this.imageDimensions.width = fillingDimensions.width;
_this.imageDimensions.height = fillingDimensions.height;
_this.cropDimensions = fittingDimensions;
_this.imagePosition = {
x: hborder + (fittingDimensions.width - fillingDimensions.width) / 2,
y: vborder + (fittingDimensions.height - fillingDimensions.height) / 2,
};
});
this.eventListeners = {
mousemove: this.move.bind(this),
mouseup: this.stopMove.bind(this),
};
};
ImageCropperComponent.prototype.move = function (e) {
if (!this.moveDelta) {
this.moveDelta = { x: e.clientX, y: e.clientY };
}
this.imagePosition.x += e.clientX - this.moveDelta.x;
this.imagePosition.y += e.clientY - this.moveDelta.y;
this.moveDelta.x = e.clientX;
this.moveDelta.y = e.clientY;
var correctedPosition = this.getCorrectedPosition(this.imagePosition);
this.previewImage.nativeElement.style.left = correctedPosition.x + 'px';
this.imagePosition.x = correctedPosition.x;
this.previewImage.nativeElement.style.top = correctedPosition.y + 'px';
this.imagePosition.y = correctedPosition.y;
return false;
};
ImageCropperComponent.prototype.setZoom = function (value) {
var _this = this;
var parsedValue = parseFloat(value);
if (parsedValue <= 0) {
parsedValue = 1;
}
if (parsedValue > this.zoomConfig.max) {
parsedValue = this.zoomConfig.max;
}
this.zoomConfig.value = parsedValue;
var newDimensions = {
width: this.originalImageDimensions.width * this.zoomConfig.value,
height: this.originalImageDimensions.height * this.zoomConfig.value,
};
var hdiff = newDimensions.width - this.imageDimensions.width;
var vdiff = newDimensions.height - this.imageDimensions.height;
this.imageDimensions.width = newDimensions.width;
this.imageDimensions.height = newDimensions.height;
var img = this.previewImage.nativeElement;
img.style.width = newDimensions.width + 'px';
img.style.height = newDimensions.height + 'px';
var correctedPosition = this.getCorrectedPosition({
x: this.imagePosition.x - hdiff / 2,
y: this.imagePosition.y - vdiff / 2,
});
img.style.left = correctedPosition.x + 'px';
img.style.top = correctedPosition.y + 'px';
this.imagePosition.x = correctedPosition.x;
this.imagePosition.y = correctedPosition.y;
img.className = 'zooming';
var finishTransition;
finishTransition = function () {
img.className = '';
img.removeEventListener('transitionend', finishTransition);
_this.configChange.emit({
left: _this.imagePosition.x,
top: _this.imagePosition.y,
zoom: _this.zoom,
});
};
img.addEventListener('transitionend', finishTransition);
};
ImageCropperComponent.prototype.getBlob = function () {
this.crop();
return this.editable.getBlob();
};
ImageCropperComponent.prototype.getDataURL = function () {
this.crop();
return this.editable.getDataURL();
};
ImageCropperComponent.prototype.crop = function () {
var proportions = this.imageDimensions.width / this.editable.image.width;
var sx = (this.borders.hborder - this.imagePosition.x) / proportions;
var sy = (this.borders.vborder - this.imagePosition.y) / proportions;
var sw = this.cropDimensions.width / proportions;
var sh = sw / (this.cropWidth / this.cropHeight);
this.editable.apply('crop', sx, sy, sw, sh, 0, 0, this.cropWidth, this.cropHeight);
};
ImageCropperComponent.prototype.getCorrectedPosition = function (pos) {
var corrected = { x: 0, y: 0 };
var hdiff = this.cropDimensions.width - this.imageDimensions.width;
var vdiff = this.cropDimensions.height - this.imageDimensions.height;
if (pos.x < this.borders.hborder) {
if (pos.x < this.borders.hborder + hdiff) {
corrected.x = this.borders.hborder + hdiff;
}
else {
corrected.x = pos.x;
}
}
else {
corrected.x = this.borders.hborder;
}
if (pos.y < this.borders.vborder) {
if (pos.y < this.borders.vborder + vdiff) {
corrected.y = this.borders.vborder + vdiff;
}
else {
corrected.y = pos.y;
}
}
else {
corrected.y = this.borders.vborder;
}
return corrected;
};
ImageCropperComponent.prototype.stopMove = function () {
delete this.moveDelta;
window.removeEventListener('mousemove', this.eventListeners.mousemove);
window.removeEventListener('mouseup', this.eventListeners.mouseup);
this.configChange.emit({
left: this.imagePosition.x,
top: this.imagePosition.y,
zoom: this.zoom,
});
return false;
};
ImageCropperComponent.prototype.fitArea = function (object, area) {
var ph = object.height / area.height;
var pw = object.width / area.width;
var scale = ph > pw ? ph : pw;
return { width: object.width / scale, height: object.height / scale };
};
ImageCropperComponent.prototype.fillArea = function (object, area) {
var ph = object.height / area.height;
var pw = object.width / area.width;
var scale = ph > pw ? pw : ph;
return { width: object.width / scale, height: object.height / scale };
};
ImageCropperComponent.prototype.addTransparentBorder = function (previewDimensions, fittingDimensions) {
var vborder = (previewDimensions.height - fittingDimensions.height) / 2;
var hborder = (previewDimensions.width - fittingDimensions.width) / 2;
var borderElement = _(this.el.nativeElement.childNodes).find(function (c) { return !!c.className && c.className.indexOf('border') >= 0; });
var cs = window.getComputedStyle(borderElement);
if (borderElement) {
borderElement.style.borderBottomWidth = vborder + 'px';
borderElement.style.borderTopWidth = vborder + 'px';
borderElement.style.borderLeftWidth = hborder + 'px';
borderElement.style.borderRightWidth = hborder + 'px';
}
return { vborder: vborder, hborder: hborder };
};
ImageCropperComponent.prototype.getComputedDimensions = function (element) {
var cs = window.getComputedStyle(element);
return {
width: parseInt(cs.width, 10),
height: parseInt(cs.height, 10),
};
};
return ImageCropperComponent;
}());
ImageCropperComponent.decorators = [
{ type: i0.Component, args: [{
selector: 'mc-image-cropper',
template: "<img #previewImage />\n<div class=\"border\"></div>\n",
changeDetection: i0.ChangeDetectionStrategy.OnPush,
styles: [".border{box-sizing:border-box;height:100%;left:0;position:absolute;top:0;width:100%}:host{cursor:move;display:block;overflow:hidden;position:relative}img{position:absolute}img.zooming{transition:width .3s,height .3s,top .3s,left .3s}/deep/ .border{border:0 solid rgba(0,0,0,.3)}"]
},] }
];
ImageCropperComponent.ctorParameters = function () { return [
{ type: ImageEditorService },
{ type: i0.ElementRef }
]; };
ImageCropperComponent.propDecorators = {
configChange: [{ type: i0.Output }],
image: [{ type: i0.Input, args: ['src',] }],
cropWidth: [{ type: i0.Input }],
cropHeight: [{ type: i0.Input }],
zoom: [{ type: i0.Input }],
top: [{ type: i0.Input }],
left: [{ type: i0.Input }],
maxZoom: [{ type: i0.Input }],
previewImage: [{ type: i0.ViewChild, args: ['previewImage',] }],
triggerMove: [{ type: i0.HostListener, args: ['mousedown',] }]
};
var ImageEditorModule = /** @class */ (function () {
function ImageEditorModule() {
}
return ImageEditorModule;
}());
ImageEditorModule.decorators = [
{ type: i0.NgModule, args: [{
imports: [common.CommonModule],
declarations: [FileReaderComponent, ImageCropperComponent],
exports: [FileReaderComponent, ImageCropperComponent],
},] }
];
/*
* Public API Surface of image-editor
*/
/**
* Generated bundle index. Do not edit.
*/
exports.FileReaderComponent = FileReaderComponent;
exports.FileRepositoryService = FileRepositoryService;
exports.ImageCropperComponent = ImageCropperComponent;
exports.ImageEditorModule = ImageEditorModule;
exports.ImageEditorService = ImageEditorService;
exports.ɵa = AvailableFeatures;
exports.ɵb = ImageCropperService;
Object.defineProperty(exports, '__esModule', { value: true });
})));
//# sourceMappingURL=mc-image-editor.umd.js.map