ngx-image-cropper-upgraded
Version:
An image cropper for Angular upgraded by Spymannn
1,378 lines (1,377 loc) • 178 kB
JavaScript
/**
* @fileoverview added by tsickle
* Generated from: lib/component/image-cropper.component.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import * as tslib_1 from "tslib";
import { ChangeDetectionStrategy, ChangeDetectorRef, Component, ElementRef, EventEmitter, HostBinding, HostListener, Input, isDevMode, Output, ViewChild } from '@angular/core';
import { DomSanitizer } from '@angular/platform-browser';
import { getTransformationsFromExifData, supportsAutomaticRotation } from '../utils/exif.utils';
import { resizeCanvas } from '../utils/resize.utils';
import { MoveTypes } from '../interfaces/move-start.interface';
var ImageCropperComponent = /** @class */ (function () {
function ImageCropperComponent(sanitizer, cd) {
this.sanitizer = sanitizer;
this.cd = cd;
this.Hammer = typeof window !== 'undefined'
? (/** @type {?} */ (((/** @type {?} */ (window))).Hammer))
: null;
this.setImageMaxSizeRetries = 0;
this.cropperScaledMinWidth = 20;
this.cropperScaledMinHeight = 20;
this.cropperScaledMaxWidth = 20;
this.cropperScaledMaxHeight = 20;
this.exifTransform = { rotate: 0, flip: false };
this.autoRotateSupported = supportsAutomaticRotation();
this.stepSize = 3;
this.marginLeft = '0px';
this.imageVisible = false;
this.moveTypes = MoveTypes;
this.format = 'png';
this.maintainAspectRatio = true;
this.transform = {};
this.aspectRatio = 1;
this.resizeToWidth = 0;
this.resizeToHeight = 0;
this.cropperMinWidth = 0;
this.cropperMinHeight = 0;
this.cropperMaxHeight = 0;
this.cropperMaxWidth = 0;
this.cropperStaticWidth = 0;
this.cropperStaticHeight = 0;
this.canvasRotation = 0;
this.initialStepSize = 3;
this.roundCropper = false;
this.onlyScaleDown = false;
this.imageQuality = 92;
this.autoCrop = true;
this.containWithinAspectRatio = false;
this.hideResizeSquares = false;
this.cropper = {
x1: -100,
y1: -100,
x2: 10000,
y2: 10000
};
this.alignImage = 'center';
this.disabled = false;
this.imageCropped = new EventEmitter();
this.startCropImage = new EventEmitter();
this.imageLoaded = new EventEmitter();
this.cropperReady = new EventEmitter();
this.loadImageFailed = new EventEmitter();
this.initCropper();
}
/**
* @param {?} changes
* @return {?}
*/
ImageCropperComponent.prototype.ngOnChanges = /**
* @param {?} changes
* @return {?}
*/
function (changes) {
if (this.cropperStaticHeight && this.cropperStaticWidth) {
this.hideResizeSquares = true;
this.cropperMinWidth = this.cropperStaticWidth;
this.cropperMinHeight = this.cropperStaticHeight;
this.cropperMaxHeight = this.cropperStaticHeight;
this.cropperMaxWidth = this.cropperStaticWidth;
this.maintainAspectRatio = false;
}
this.onChangesInputImage(changes);
if (this.originalImage && this.originalImage.complete && this.exifTransform
&& (changes.containWithinAspectRatio || changes.canvasRotation)) {
this.transformOriginalImage();
}
if (changes.cropper) {
this.setMaxSize();
this.setCropperScaledMinSize();
this.setCropperScaledMaxSize();
this.checkCropperPosition(false);
this.doAutoCrop();
this.cd.markForCheck();
}
if (changes.aspectRatio && this.imageVisible) {
this.resetCropperPosition();
}
if (changes.transform) {
this.transform = this.transform || {};
this.setCssTransform();
this.doAutoCrop();
}
};
/**
* @private
* @param {?} changes
* @return {?}
*/
ImageCropperComponent.prototype.onChangesInputImage = /**
* @private
* @param {?} changes
* @return {?}
*/
function (changes) {
if (changes.imageChangedEvent || changes.imageURL || changes.imageBase64 || changes.imageFile) {
this.initCropper();
}
if (changes.imageChangedEvent && this.isValidImageChangedEvent()) {
this.loadImageFile(this.imageChangedEvent.target.files[0]);
}
if (changes.imageURL && this.imageURL) {
this.loadImageFromURL(this.imageURL);
}
if (changes.imageBase64 && this.imageBase64) {
this.loadBase64Image(this.imageBase64);
}
if (changes.imageFile && this.imageFile) {
this.loadImageFile(this.imageFile);
}
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.isValidImageChangedEvent = /**
* @private
* @return {?}
*/
function () {
return this.imageChangedEvent
&& this.imageChangedEvent.target
&& this.imageChangedEvent.target.files
&& this.imageChangedEvent.target.files.length > 0;
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.setCssTransform = /**
* @private
* @return {?}
*/
function () {
this.safeTransformStyle = this.sanitizer.bypassSecurityTrustStyle('scaleX(' + (this.transform.scale || 1) * (this.transform.flipH ? -1 : 1) + ')' +
'scaleY(' + (this.transform.scale || 1) * (this.transform.flipV ? -1 : 1) + ')' +
'rotate(' + (this.transform.rotate || 0) + 'deg)');
};
/**
* @return {?}
*/
ImageCropperComponent.prototype.ngOnInit = /**
* @return {?}
*/
function () {
this.stepSize = this.initialStepSize;
this.activatePinchGesture();
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.initCropper = /**
* @private
* @return {?}
*/
function () {
this.imageVisible = false;
this.transformedImage = null;
this.safeImgDataUrl = 'data:image/png;base64,iVBORw0KGg'
+ 'oAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAC0lEQVQYV2NgAAIAAAU'
+ 'AAarVyFEAAAAASUVORK5CYII=';
this.moveStart = {
active: false,
type: null,
position: null,
x1: 0,
y1: 0,
x2: 0,
y2: 0,
clientX: 0,
clientY: 0
};
this.maxSize = {
width: 0,
height: 0
};
this.originalSize = {
width: 0,
height: 0
};
this.transformedSize = {
width: 0,
height: 0
};
this.cropper.x1 = -100;
this.cropper.y1 = -100;
this.cropper.x2 = 10000;
this.cropper.y2 = 10000;
};
/**
* @private
* @param {?} imageBase64
* @param {?} imageType
* @return {?}
*/
ImageCropperComponent.prototype.loadImage = /**
* @private
* @param {?} imageBase64
* @param {?} imageType
* @return {?}
*/
function (imageBase64, imageType) {
if (this.isValidImageType(imageType)) {
this.loadBase64Image(imageBase64);
}
else {
this.loadImageFailed.emit();
}
};
/**
* @private
* @param {?} file
* @return {?}
*/
ImageCropperComponent.prototype.loadImageFile = /**
* @private
* @param {?} file
* @return {?}
*/
function (file) {
var _this = this;
/** @type {?} */
var fileReader = new FileReader();
fileReader.onload = (/**
* @param {?} event
* @return {?}
*/
function (event) { return _this.loadImage(event.target.result, file.type); });
fileReader.readAsDataURL(file);
};
/**
* @private
* @param {?} type
* @return {?}
*/
ImageCropperComponent.prototype.isValidImageType = /**
* @private
* @param {?} type
* @return {?}
*/
function (type) {
return /image\/(png|jpg|jpeg|bmp|gif|tiff|webp)/.test(type);
};
/**
* @private
* @param {?} imageBase64
* @return {?}
*/
ImageCropperComponent.prototype.loadBase64Image = /**
* @private
* @param {?} imageBase64
* @return {?}
*/
function (imageBase64) {
var _this = this;
this.autoRotateSupported
.then((/**
* @param {?} supported
* @return {?}
*/
function (supported) { return _this.checkExifAndLoadBase64Image(imageBase64, supported); }))
.then((/**
* @return {?}
*/
function () { return _this.transformOriginalImage(); }))
.catch((/**
* @param {?} error
* @return {?}
*/
function (error) {
_this.loadImageFailed.emit();
_this.originalImage = null;
_this.originalBase64 = null;
console.error(error);
}));
};
/**
* @private
* @param {?} imageBase64
* @param {?} autoRotateSupported
* @return {?}
*/
ImageCropperComponent.prototype.checkExifAndLoadBase64Image = /**
* @private
* @param {?} imageBase64
* @param {?} autoRotateSupported
* @return {?}
*/
function (imageBase64, autoRotateSupported) {
var _this = this;
return new Promise((/**
* @param {?} resolve
* @param {?} reject
* @return {?}
*/
function (resolve, reject) {
_this.originalImage = new Image();
_this.originalImage.onload = (/**
* @return {?}
*/
function () {
_this.originalBase64 = imageBase64;
_this.exifTransform = getTransformationsFromExifData(autoRotateSupported ? -1 : imageBase64);
_this.originalSize.width = _this.originalImage.naturalWidth;
_this.originalSize.height = _this.originalImage.naturalHeight;
resolve();
});
_this.originalImage.onerror = reject;
_this.originalImage.src = imageBase64;
}));
};
/**
* @private
* @param {?} url
* @return {?}
*/
ImageCropperComponent.prototype.loadImageFromURL = /**
* @private
* @param {?} url
* @return {?}
*/
function (url) {
var _this = this;
/** @type {?} */
var img = new Image();
img.onerror = (/**
* @return {?}
*/
function () { return _this.loadImageFailed.emit(); });
img.onload = (/**
* @return {?}
*/
function () {
/** @type {?} */
var canvas = document.createElement('canvas');
/** @type {?} */
var context = canvas.getContext('2d');
canvas.width = img.width;
canvas.height = img.height;
context.drawImage(img, 0, 0);
_this.loadBase64Image(canvas.toDataURL());
});
img.crossOrigin = 'anonymous';
img.src = url;
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.transformOriginalImage = /**
* @private
* @return {?}
*/
function () {
if (!this.originalImage || !this.originalImage.complete || !this.exifTransform) {
return Promise.reject(new Error('No image loaded'));
}
/** @type {?} */
var transformedBase64 = this.transformImageBase64();
return this.setTransformedImage(transformedBase64);
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.transformImageBase64 = /**
* @private
* @return {?}
*/
function () {
/** @type {?} */
var canvasRotation = this.canvasRotation + this.exifTransform.rotate;
if (canvasRotation === 0 && !this.exifTransform.flip && !this.containWithinAspectRatio) {
return this.originalBase64;
}
/** @type {?} */
var transformedSize = this.getTransformedSize();
/** @type {?} */
var canvas = document.createElement('canvas');
canvas.width = transformedSize.width;
canvas.height = transformedSize.height;
/** @type {?} */
var ctx = canvas.getContext('2d');
ctx.setTransform(this.exifTransform.flip ? -1 : 1, 0, 0, 1, canvas.width / 2, canvas.height / 2);
ctx.rotate(Math.PI * (canvasRotation / 2));
ctx.drawImage(this.originalImage, -this.originalSize.width / 2, -this.originalSize.height / 2);
return canvas.toDataURL();
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.getTransformedSize = /**
* @private
* @return {?}
*/
function () {
/** @type {?} */
var canvasRotation = this.canvasRotation + this.exifTransform.rotate;
if (this.containWithinAspectRatio) {
if (canvasRotation % 2) {
/** @type {?} */
var minWidthToContain = this.originalSize.width * this.aspectRatio;
/** @type {?} */
var minHeightToContain = this.originalSize.height / this.aspectRatio;
return {
width: Math.max(this.originalSize.height, minWidthToContain),
height: Math.max(this.originalSize.width, minHeightToContain),
};
}
else {
/** @type {?} */
var minWidthToContain = this.originalSize.height * this.aspectRatio;
/** @type {?} */
var minHeightToContain = this.originalSize.width / this.aspectRatio;
return {
width: Math.max(this.originalSize.width, minWidthToContain),
height: Math.max(this.originalSize.height, minHeightToContain),
};
}
}
if (canvasRotation % 2) {
return {
height: this.originalSize.width,
width: this.originalSize.height,
};
}
return {
width: this.originalSize.width,
height: this.originalSize.height,
};
};
/**
* @private
* @param {?} transformedBase64
* @return {?}
*/
ImageCropperComponent.prototype.setTransformedImage = /**
* @private
* @param {?} transformedBase64
* @return {?}
*/
function (transformedBase64) {
var _this = this;
return new Promise((/**
* @param {?} resolve
* @return {?}
*/
function (resolve) {
_this.transformedBase64 = transformedBase64;
_this.safeImgDataUrl = _this.sanitizer.bypassSecurityTrustResourceUrl(transformedBase64);
_this.transformedImage = new Image();
_this.transformedImage.onload = (/**
* @return {?}
*/
function () {
_this.transformedSize.width = _this.transformedImage.naturalWidth;
_this.transformedSize.height = _this.transformedImage.naturalHeight;
_this.cd.markForCheck();
resolve();
});
_this.transformedImage.src = _this.transformedBase64;
}));
};
/**
* @return {?}
*/
ImageCropperComponent.prototype.imageLoadedInView = /**
* @return {?}
*/
function () {
var _this = this;
if (this.transformedImage != null) {
this.imageLoaded.emit(this.transformedImage);
this.setImageMaxSizeRetries = 0;
setTimeout((/**
* @return {?}
*/
function () { return _this.checkImageMaxSizeRecursively(); }));
}
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.checkImageMaxSizeRecursively = /**
* @private
* @return {?}
*/
function () {
var _this = this;
if (this.setImageMaxSizeRetries > 40) {
this.loadImageFailed.emit();
}
else if (this.sourceImageLoaded()) {
this.setMaxSize();
this.setCropperScaledMinSize();
this.setCropperScaledMaxSize();
this.resetCropperPosition();
this.cropperReady.emit(tslib_1.__assign({}, this.maxSize));
this.cd.markForCheck();
}
else {
this.setImageMaxSizeRetries++;
setTimeout((/**
* @return {?}
*/
function () { return _this.checkImageMaxSizeRecursively(); }), 50);
}
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.sourceImageLoaded = /**
* @private
* @return {?}
*/
function () {
return this.sourceImage && this.sourceImage.nativeElement && this.sourceImage.nativeElement.offsetWidth > 0;
};
/**
* @return {?}
*/
ImageCropperComponent.prototype.onResize = /**
* @return {?}
*/
function () {
this.resizeCropperPosition();
this.setMaxSize();
this.setCropperScaledMinSize();
this.setCropperScaledMaxSize();
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.activatePinchGesture = /**
* @private
* @return {?}
*/
function () {
if (this.Hammer) {
/** @type {?} */
var hammer = new this.Hammer(this.wrapper.nativeElement);
hammer.get('pinch').set({ enable: true });
hammer.on('pinchmove', this.onPinch.bind(this));
hammer.on('pinchend', this.pinchStop.bind(this));
hammer.on('pinchstart', this.startPinch.bind(this));
}
else if (isDevMode()) {
console.warn('[NgxImageCropper] Could not find HammerJS - Pinch Gesture won\'t work');
}
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.resizeCropperPosition = /**
* @private
* @return {?}
*/
function () {
/** @type {?} */
var sourceImageElement = this.sourceImage.nativeElement;
if (this.maxSize.width !== sourceImageElement.offsetWidth || this.maxSize.height !== sourceImageElement.offsetHeight) {
this.cropper.x1 = this.cropper.x1 * sourceImageElement.offsetWidth / this.maxSize.width;
this.cropper.x2 = this.cropper.x2 * sourceImageElement.offsetWidth / this.maxSize.width;
this.cropper.y1 = this.cropper.y1 * sourceImageElement.offsetHeight / this.maxSize.height;
this.cropper.y2 = this.cropper.y2 * sourceImageElement.offsetHeight / this.maxSize.height;
}
};
/**
* @return {?}
*/
ImageCropperComponent.prototype.resetCropperPosition = /**
* @return {?}
*/
function () {
/** @type {?} */
var sourceImageElement = this.sourceImage.nativeElement;
if (this.cropperStaticHeight && this.cropperStaticWidth) {
this.cropper.x1 = 0;
this.cropper.x2 = sourceImageElement.offsetWidth > this.cropperStaticWidth ?
this.cropperStaticWidth : sourceImageElement.offsetWidth;
this.cropper.y1 = 0;
this.cropper.y2 = sourceImageElement.offsetHeight > this.cropperStaticHeight ?
this.cropperStaticHeight : sourceImageElement.offsetHeight;
}
else {
/** @type {?} */
var cropperWidth = Math.min(this.cropperScaledMaxWidth, sourceImageElement.offsetWidth);
/** @type {?} */
var cropperHeight = Math.min(this.cropperScaledMaxHeight, sourceImageElement.offsetHeight);
if (!this.maintainAspectRatio) {
this.cropper.x1 = 0;
this.cropper.x2 = cropperWidth;
this.cropper.y1 = 0;
this.cropper.y2 = cropperHeight;
}
else if (cropperWidth / this.aspectRatio < cropperHeight) {
this.cropper.x1 = 0;
this.cropper.x2 = cropperWidth;
/** @type {?} */
var cropperHeightWithAspectRatio = cropperWidth / this.aspectRatio;
this.cropper.y1 = (cropperHeight - cropperHeightWithAspectRatio) / 2;
this.cropper.y2 = this.cropper.y1 + cropperHeightWithAspectRatio;
}
else {
this.cropper.y1 = 0;
this.cropper.y2 = cropperHeight;
/** @type {?} */
var cropperWidthWithAspectRatio = cropperHeight * this.aspectRatio;
this.cropper.x1 = (cropperWidth - cropperWidthWithAspectRatio) / 2;
this.cropper.x2 = this.cropper.x1 + cropperWidthWithAspectRatio;
}
}
this.doAutoCrop();
this.imageVisible = true;
};
/**
* @param {?} event
* @return {?}
*/
ImageCropperComponent.prototype.keyboardAccess = /**
* @param {?} event
* @return {?}
*/
function (event) {
this.changeKeyboardStepSize(event);
this.keyboardMoveCropper(event);
};
/**
* @private
* @param {?} event
* @return {?}
*/
ImageCropperComponent.prototype.changeKeyboardStepSize = /**
* @private
* @param {?} event
* @return {?}
*/
function (event) {
if (event.key >= '1' && event.key <= '9') {
this.stepSize = +event.key;
return;
}
};
/**
* @private
* @param {?} event
* @return {?}
*/
ImageCropperComponent.prototype.keyboardMoveCropper = /**
* @private
* @param {?} event
* @return {?}
*/
function (event) {
/** @type {?} */
var keyboardWhiteList = ['ArrowUp', 'ArrowDown', 'ArrowRight', 'ArrowLeft'];
if (!(keyboardWhiteList.includes(event.key))) {
return;
}
/** @type {?} */
var moveType = event.shiftKey ? MoveTypes.Resize : MoveTypes.Move;
/** @type {?} */
var position = event.altKey ? this.getInvertedPositionForKey(event.key) : this.getPositionForKey(event.key);
/** @type {?} */
var moveEvent = this.getEventForKey(event.key, this.stepSize);
event.preventDefault();
event.stopPropagation();
this.startMove({ clientX: 0, clientY: 0 }, moveType, position);
this.moveImg(moveEvent);
this.moveStop();
};
/**
* @private
* @param {?} key
* @return {?}
*/
ImageCropperComponent.prototype.getPositionForKey = /**
* @private
* @param {?} key
* @return {?}
*/
function (key) {
switch (key) {
case 'ArrowUp':
return 'top';
case 'ArrowRight':
return 'right';
case 'ArrowDown':
return 'bottom';
case 'ArrowLeft':
default:
return 'left';
}
};
/**
* @private
* @param {?} key
* @return {?}
*/
ImageCropperComponent.prototype.getInvertedPositionForKey = /**
* @private
* @param {?} key
* @return {?}
*/
function (key) {
switch (key) {
case 'ArrowUp':
return 'bottom';
case 'ArrowRight':
return 'left';
case 'ArrowDown':
return 'top';
case 'ArrowLeft':
default:
return 'right';
}
};
/**
* @private
* @param {?} key
* @param {?} stepSize
* @return {?}
*/
ImageCropperComponent.prototype.getEventForKey = /**
* @private
* @param {?} key
* @param {?} stepSize
* @return {?}
*/
function (key, stepSize) {
switch (key) {
case 'ArrowUp':
return { clientX: 0, clientY: stepSize * -1 };
case 'ArrowRight':
return { clientX: stepSize, clientY: 0 };
case 'ArrowDown':
return { clientX: 0, clientY: stepSize };
case 'ArrowLeft':
default:
return { clientX: stepSize * -1, clientY: 0 };
}
};
/**
* @param {?} event
* @param {?} moveType
* @param {?=} position
* @return {?}
*/
ImageCropperComponent.prototype.startMove = /**
* @param {?} event
* @param {?} moveType
* @param {?=} position
* @return {?}
*/
function (event, moveType, position) {
if (position === void 0) { position = null; }
if (this.moveStart && this.moveStart.active && this.moveStart.type === MoveTypes.Pinch) {
return;
}
if (event.preventDefault) {
event.preventDefault();
}
this.moveStart = tslib_1.__assign({ active: true, type: moveType, position: position, clientX: this.getClientX(event), clientY: this.getClientY(event) }, this.cropper);
};
/**
* @param {?} event
* @return {?}
*/
ImageCropperComponent.prototype.startPinch = /**
* @param {?} event
* @return {?}
*/
function (event) {
if (!this.safeImgDataUrl) {
return;
}
if (event.preventDefault) {
event.preventDefault();
}
this.moveStart = tslib_1.__assign({ active: true, type: MoveTypes.Pinch, position: 'center', clientX: this.cropper.x1 + (this.cropper.x2 - this.cropper.x1) / 2, clientY: this.cropper.y1 + (this.cropper.y2 - this.cropper.y1) / 2 }, this.cropper);
};
/**
* @param {?} event
* @return {?}
*/
ImageCropperComponent.prototype.moveImg = /**
* @param {?} event
* @return {?}
*/
function (event) {
if (this.moveStart.active) {
if (event.stopPropagation) {
event.stopPropagation();
}
if (event.preventDefault) {
event.preventDefault();
}
if (this.moveStart.type === MoveTypes.Move) {
this.move(event);
this.checkCropperPosition(true);
}
else if (this.moveStart.type === MoveTypes.Resize) {
if (!this.cropperStaticWidth && !this.cropperStaticHeight) {
this.resize(event);
}
this.checkCropperPosition(false);
}
this.cd.detectChanges();
}
};
/**
* @param {?} event
* @return {?}
*/
ImageCropperComponent.prototype.onPinch = /**
* @param {?} event
* @return {?}
*/
function (event) {
if (this.moveStart.active) {
if (event.stopPropagation) {
event.stopPropagation();
}
if (event.preventDefault) {
event.preventDefault();
}
if (this.moveStart.type === MoveTypes.Pinch) {
this.resize(event);
this.checkCropperPosition(false);
}
this.cd.detectChanges();
}
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.setMaxSize = /**
* @private
* @return {?}
*/
function () {
if (this.sourceImage) {
/** @type {?} */
var sourceImageElement = this.sourceImage.nativeElement;
this.maxSize.width = sourceImageElement.offsetWidth;
this.maxSize.height = sourceImageElement.offsetHeight;
this.marginLeft = this.sanitizer.bypassSecurityTrustStyle('calc(50% - ' + this.maxSize.width / 2 + 'px)');
}
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.setCropperScaledMinSize = /**
* @private
* @return {?}
*/
function () {
if (this.transformedImage) {
this.setCropperScaledMinWidth();
this.setCropperScaledMinHeight();
}
else {
this.cropperScaledMinWidth = 20;
this.cropperScaledMinHeight = 20;
}
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.setCropperScaledMinWidth = /**
* @private
* @return {?}
*/
function () {
this.cropperScaledMinWidth = this.cropperMinWidth > 0
? Math.max(20, this.cropperMinWidth / this.transformedImage.width * this.maxSize.width)
: 20;
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.setCropperScaledMinHeight = /**
* @private
* @return {?}
*/
function () {
if (this.maintainAspectRatio) {
this.cropperScaledMinHeight = Math.max(20, this.cropperScaledMinWidth / this.aspectRatio);
}
else if (this.cropperMinHeight > 0) {
this.cropperScaledMinHeight = Math.max(20, this.cropperMinHeight / this.transformedImage.height * this.maxSize.height);
}
else {
this.cropperScaledMinHeight = 20;
}
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.setCropperScaledMaxSize = /**
* @private
* @return {?}
*/
function () {
/** @type {?} */
var sourceImageElement = this.sourceImage.nativeElement;
/** @type {?} */
var ratio = this.transformedSize.width / sourceImageElement.offsetWidth;
this.cropperScaledMaxWidth = this.cropperMaxWidth > 20 ? this.cropperMaxWidth : this.maxSize.width;
this.cropperScaledMaxHeight = this.cropperMaxHeight > 20 ? this.cropperMaxHeight : this.maxSize.height;
if (ratio != 1 && (this.cropperMaxWidth > 20 || this.cropperMaxHeight > 20)) {
this.cropperScaledMaxWidth = this.cropperScaledMaxWidth / ratio;
this.cropperScaledMaxHeight = this.cropperScaledMaxHeight / ratio;
}
if (this.transformedImage && this.maintainAspectRatio) {
if (this.cropperScaledMaxWidth > this.cropperScaledMaxHeight * this.aspectRatio) {
this.cropperScaledMaxWidth = this.cropperScaledMaxHeight * this.aspectRatio;
}
else if (this.cropperScaledMaxWidth < this.cropperScaledMaxHeight * this.aspectRatio) {
this.cropperScaledMaxHeight = this.cropperScaledMaxWidth / this.aspectRatio;
}
}
};
/**
* @private
* @param {?=} maintainSize
* @return {?}
*/
ImageCropperComponent.prototype.checkCropperPosition = /**
* @private
* @param {?=} maintainSize
* @return {?}
*/
function (maintainSize) {
if (maintainSize === void 0) { maintainSize = false; }
if (this.cropper.x1 < 0) {
this.cropper.x2 -= maintainSize ? this.cropper.x1 : 0;
this.cropper.x1 = 0;
}
if (this.cropper.y1 < 0) {
this.cropper.y2 -= maintainSize ? this.cropper.y1 : 0;
this.cropper.y1 = 0;
}
if (this.cropper.x2 > this.maxSize.width) {
this.cropper.x1 -= maintainSize ? (this.cropper.x2 - this.maxSize.width) : 0;
this.cropper.x2 = this.maxSize.width;
}
if (this.cropper.y2 > this.maxSize.height) {
this.cropper.y1 -= maintainSize ? (this.cropper.y2 - this.maxSize.height) : 0;
this.cropper.y2 = this.maxSize.height;
}
};
/**
* @return {?}
*/
ImageCropperComponent.prototype.moveStop = /**
* @return {?}
*/
function () {
if (this.moveStart.active) {
this.moveStart.active = false;
this.doAutoCrop();
}
};
/**
* @return {?}
*/
ImageCropperComponent.prototype.pinchStop = /**
* @return {?}
*/
function () {
if (this.moveStart.active) {
this.moveStart.active = false;
this.doAutoCrop();
}
};
/**
* @private
* @param {?} event
* @return {?}
*/
ImageCropperComponent.prototype.move = /**
* @private
* @param {?} event
* @return {?}
*/
function (event) {
/** @type {?} */
var diffX = this.getClientX(event) - this.moveStart.clientX;
/** @type {?} */
var diffY = this.getClientY(event) - this.moveStart.clientY;
this.cropper.x1 = this.moveStart.x1 + diffX;
this.cropper.y1 = this.moveStart.y1 + diffY;
this.cropper.x2 = this.moveStart.x2 + diffX;
this.cropper.y2 = this.moveStart.y2 + diffY;
};
/**
* @private
* @param {?} event
* @return {?}
*/
ImageCropperComponent.prototype.resize = /**
* @private
* @param {?} event
* @return {?}
*/
function (event) {
/** @type {?} */
var diffX = this.getClientX(event) - this.moveStart.clientX;
/** @type {?} */
var diffY = this.getClientY(event) - this.moveStart.clientY;
switch (this.moveStart.position) {
case 'left':
this.cropper.x1 = Math.min(Math.max(this.moveStart.x1 + diffX, this.cropper.x2 - this.cropperScaledMaxWidth), this.cropper.x2 - this.cropperScaledMinWidth);
break;
case 'topleft':
this.cropper.x1 = Math.min(Math.max(this.moveStart.x1 + diffX, this.cropper.x2 - this.cropperScaledMaxWidth), this.cropper.x2 - this.cropperScaledMinWidth);
this.cropper.y1 = Math.min(Math.max(this.moveStart.y1 + diffY, this.cropper.y2 - this.cropperScaledMaxHeight), this.cropper.y2 - this.cropperScaledMinHeight);
break;
case 'top':
this.cropper.y1 = Math.min(Math.max(this.moveStart.y1 + diffY, this.cropper.y2 - this.cropperScaledMaxHeight), this.cropper.y2 - this.cropperScaledMinHeight);
break;
case 'topright':
this.cropper.x2 = Math.max(Math.min(this.moveStart.x2 + diffX, this.cropper.x1 + this.cropperScaledMaxWidth), this.cropper.x1 + this.cropperScaledMinWidth);
this.cropper.y1 = Math.min(Math.max(this.moveStart.y1 + diffY, this.cropper.y2 - this.cropperScaledMaxHeight), this.cropper.y2 - this.cropperScaledMinHeight);
break;
case 'right':
this.cropper.x2 = Math.max(Math.min(this.moveStart.x2 + diffX, this.cropper.x1 + this.cropperScaledMaxWidth), this.cropper.x1 + this.cropperScaledMinWidth);
break;
case 'bottomright':
this.cropper.x2 = Math.max(Math.min(this.moveStart.x2 + diffX, this.cropper.x1 + this.cropperScaledMaxWidth), this.cropper.x1 + this.cropperScaledMinWidth);
this.cropper.y2 = Math.max(Math.min(this.moveStart.y2 + diffY, this.cropper.y1 + this.cropperScaledMaxHeight), this.cropper.y1 + this.cropperScaledMinHeight);
break;
case 'bottom':
this.cropper.y2 = Math.max(Math.min(this.moveStart.y2 + diffY, this.cropper.y1 + this.cropperScaledMaxHeight), this.cropper.y1 + this.cropperScaledMinHeight);
break;
case 'bottomleft':
this.cropper.x1 = Math.min(Math.max(this.moveStart.x1 + diffX, this.cropper.x2 - this.cropperScaledMaxWidth), this.cropper.x2 - this.cropperScaledMinWidth);
this.cropper.y2 = Math.max(Math.min(this.moveStart.y2 + diffY, this.cropper.y1 + this.cropperScaledMaxHeight), this.cropper.y1 + this.cropperScaledMinHeight);
break;
case 'center':
/** @type {?} */
var scale = event.scale;
/** @type {?} */
var newWidth = (Math.abs(this.moveStart.x2 - this.moveStart.x1)) * scale;
/** @type {?} */
var newHeight = (Math.abs(this.moveStart.y2 - this.moveStart.y1)) * scale;
/** @type {?} */
var x1 = this.cropper.x1;
/** @type {?} */
var y1 = this.cropper.y1;
this.cropper.x1 = Math.min(Math.max(this.moveStart.clientX - (newWidth / 2), this.cropper.x2 - this.cropperScaledMaxWidth / 2), this.cropper.x2 - this.cropperScaledMinWidth);
this.cropper.y1 = Math.min(Math.max(this.moveStart.clientY - (newHeight / 2), this.cropper.y2 - this.cropperScaledMaxHeight / 2), this.cropper.y2 - this.cropperScaledMinHeight);
this.cropper.x2 = Math.max(Math.min(this.moveStart.clientX + (newWidth / 2), x1 + this.cropperScaledMaxWidth / 2), x1 + this.cropperScaledMinWidth);
this.cropper.y2 = Math.max(Math.min(this.moveStart.clientY + (newHeight / 2), y1 + this.cropperScaledMaxHeight / 2), y1 + this.cropperScaledMinHeight);
break;
}
if (this.maintainAspectRatio) {
this.checkAspectRatio();
}
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.checkAspectRatio = /**
* @private
* @return {?}
*/
function () {
/** @type {?} */
var overflowX = 0;
/** @type {?} */
var overflowY = 0;
switch (this.moveStart.position) {
case 'top':
this.cropper.x2 = this.cropper.x1 + (this.cropper.y2 - this.cropper.y1) * this.aspectRatio;
overflowX = Math.max(this.cropper.x2 - this.maxSize.width, 0);
overflowY = Math.max(0 - this.cropper.y1, 0);
if (overflowX > 0 || overflowY > 0) {
this.cropper.x2 -= (overflowY * this.aspectRatio) > overflowX ? (overflowY * this.aspectRatio) : overflowX;
this.cropper.y1 += (overflowY * this.aspectRatio) > overflowX ? overflowY : overflowX / this.aspectRatio;
}
break;
case 'bottom':
this.cropper.x2 = this.cropper.x1 + (this.cropper.y2 - this.cropper.y1) * this.aspectRatio;
overflowX = Math.max(this.cropper.x2 - this.maxSize.width, 0);
overflowY = Math.max(this.cropper.y2 - this.maxSize.height, 0);
if (overflowX > 0 || overflowY > 0) {
this.cropper.x2 -= (overflowY * this.aspectRatio) > overflowX ? (overflowY * this.aspectRatio) : overflowX;
this.cropper.y2 -= (overflowY * this.aspectRatio) > overflowX ? overflowY : (overflowX / this.aspectRatio);
}
break;
case 'topleft':
this.cropper.y1 = this.cropper.y2 - (this.cropper.x2 - this.cropper.x1) / this.aspectRatio;
overflowX = Math.max(0 - this.cropper.x1, 0);
overflowY = Math.max(0 - this.cropper.y1, 0);
if (overflowX > 0 || overflowY > 0) {
this.cropper.x1 += (overflowY * this.aspectRatio) > overflowX ? (overflowY * this.aspectRatio) : overflowX;
this.cropper.y1 += (overflowY * this.aspectRatio) > overflowX ? overflowY : overflowX / this.aspectRatio;
}
break;
case 'topright':
this.cropper.y1 = this.cropper.y2 - (this.cropper.x2 - this.cropper.x1) / this.aspectRatio;
overflowX = Math.max(this.cropper.x2 - this.maxSize.width, 0);
overflowY = Math.max(0 - this.cropper.y1, 0);
if (overflowX > 0 || overflowY > 0) {
this.cropper.x2 -= (overflowY * this.aspectRatio) > overflowX ? (overflowY * this.aspectRatio) : overflowX;
this.cropper.y1 += (overflowY * this.aspectRatio) > overflowX ? overflowY : overflowX / this.aspectRatio;
}
break;
case 'right':
case 'bottomright':
this.cropper.y2 = this.cropper.y1 + (this.cropper.x2 - this.cropper.x1) / this.aspectRatio;
overflowX = Math.max(this.cropper.x2 - this.maxSize.width, 0);
overflowY = Math.max(this.cropper.y2 - this.maxSize.height, 0);
if (overflowX > 0 || overflowY > 0) {
this.cropper.x2 -= (overflowY * this.aspectRatio) > overflowX ? (overflowY * this.aspectRatio) : overflowX;
this.cropper.y2 -= (overflowY * this.aspectRatio) > overflowX ? overflowY : overflowX / this.aspectRatio;
}
break;
case 'left':
case 'bottomleft':
this.cropper.y2 = this.cropper.y1 + (this.cropper.x2 - this.cropper.x1) / this.aspectRatio;
overflowX = Math.max(0 - this.cropper.x1, 0);
overflowY = Math.max(this.cropper.y2 - this.maxSize.height, 0);
if (overflowX > 0 || overflowY > 0) {
this.cropper.x1 += (overflowY * this.aspectRatio) > overflowX ? (overflowY * this.aspectRatio) : overflowX;
this.cropper.y2 -= (overflowY * this.aspectRatio) > overflowX ? overflowY : overflowX / this.aspectRatio;
}
break;
case 'center':
this.cropper.x2 = this.cropper.x1 + (this.cropper.y2 - this.cropper.y1) * this.aspectRatio;
this.cropper.y2 = this.cropper.y1 + (this.cropper.x2 - this.cropper.x1) / this.aspectRatio;
/** @type {?} */
var overflowX1 = Math.max(0 - this.cropper.x1, 0);
/** @type {?} */
var overflowX2 = Math.max(this.cropper.x2 - this.maxSize.width, 0);
/** @type {?} */
var overflowY1 = Math.max(this.cropper.y2 - this.maxSize.height, 0);
/** @type {?} */
var overflowY2 = Math.max(0 - this.cropper.y1, 0);
if (overflowX1 > 0 || overflowX2 > 0 || overflowY1 > 0 || overflowY2 > 0) {
this.cropper.x1 += (overflowY1 * this.aspectRatio) > overflowX1 ? (overflowY1 * this.aspectRatio) : overflowX1;
this.cropper.x2 -= (overflowY2 * this.aspectRatio) > overflowX2 ? (overflowY2 * this.aspectRatio) : overflowX2;
this.cropper.y1 += (overflowY2 * this.aspectRatio) > overflowX2 ? overflowY2 : overflowX2 / this.aspectRatio;
this.cropper.y2 -= (overflowY1 * this.aspectRatio) > overflowX1 ? overflowY1 : overflowX1 / this.aspectRatio;
}
break;
}
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.doAutoCrop = /**
* @private
* @return {?}
*/
function () {
if (this.autoCrop) {
this.crop();
}
};
/**
* @return {?}
*/
ImageCropperComponent.prototype.crop = /**
* @return {?}
*/
function () {
if (this.sourceImage && this.sourceImage.nativeElement && this.transformedImage != null) {
this.startCropImage.emit();
/** @type {?} */
var imagePosition = this.getImagePosition();
/** @type {?} */
var imgWidth = imagePosition.x2 - imagePosition.x1;
/** @type {?} */
var imgHeight = imagePosition.y2 - imagePosition.y1;
/** @type {?} */
var sourceImageElement = this.sourceImage.nativeElement;
/** @type {?} */
var ratio = this.transformedSize.width / sourceImageElement.offsetWidth;
/** @type {?} */
var scaledMaxWidthWithRatio = this.cropperScaledMaxWidth * ratio;
/** @type {?} */
var scaledMaxHeightWithRatio = this.cropperScaledMaxHeight * ratio;
/** @type {?} */
var width = imgWidth > scaledMaxWidthWithRatio ? scaledMaxHeightWithRatio : imgWidth;
/** @type {?} */
var height = imgHeight > scaledMaxHeightWithRatio ? scaledMaxHeightWithRatio : imgHeight;
/** @type {?} */
var cropCanvas = (/** @type {?} */ (document.createElement('canvas')));
cropCanvas.width = width;
cropCanvas.height = height;
/** @type {?} */
var ctx = cropCanvas.getContext('2d');
if (ctx) {
if (this.backgroundColor != null) {
ctx.fillStyle = this.backgroundColor;
ctx.fillRect(0, 0, width, height);
}
/** @type {?} */
var scaleX = (this.transform.scale || 1) * (this.transform.flipH ? -1 : 1);
/** @type {?} */
var scaleY = (this.transform.scale || 1) * (this.transform.flipV ? -1 : 1);
ctx.setTransform(scaleX, 0, 0, scaleY, this.transformedSize.width / 2, this.transformedSize.height / 2);
ctx.translate(-imagePosition.x1 / scaleX, -imagePosition.y1 / scaleY);
ctx.rotate((this.transform.rotate || 0) * Math.PI / 180);
ctx.drawImage(this.transformedImage, -this.transformedSize.width / 2, -this.transformedSize.height / 2);
/** @type {?} */
var output = {
width: width, height: height,
imagePosition: imagePosition,
cropperPosition: tslib_1.__assign({}, this.cropper)
};
if (this.containWithinAspectRatio) {
output.offsetImagePosition = this.getOffsetImagePosition();
}
/** @type {?} */
var resizeRatio = this.getResizeRatio(width, height);
if (resizeRatio !== 1) {
output.width = Math.round(width * resizeRatio);
output.height = this.maintainAspectRatio
? Math.round(output.width / this.aspectRatio)
: Math.round(height * resizeRatio);
resizeCanvas(cropCanvas, output.width, output.height);
}
output.base64 = this.cropToBase64(cropCanvas);
this.imageCropped.emit(output);
return output;
}
}
return null;
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.getImagePosition = /**
* @private
* @return {?}
*/
function () {
/** @type {?} */
var sourceImageElement = this.sourceImage.nativeElement;
/** @type {?} */
var ratio = this.transformedSize.width / sourceImageElement.offsetWidth;
/** @type {?} */
var out = {
x1: Math.round(this.cropper.x1 * ratio),
y1: Math.round(this.cropper.y1 * ratio),
x2: Math.round(this.cropper.x2 * ratio),
y2: Math.round(this.cropper.y2 * ratio)
};
if (!this.containWithinAspectRatio) {
out.x1 = Math.max(out.x1, 0);
out.y1 = Math.max(out.y1, 0);
out.x2 = Math.min(out.x2, this.transformedSize.width);
out.y2 = Math.min(out.y2, this.transformedSize.height);
}
return out;
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.getOffsetImagePosition = /**
* @private
* @return {?}
*/
function () {
/** @type {?} */
var canvasRotation = this.canvasRotation + this.exifTransform.rotate;
/** @type {?} */
var sourceImageElement = this.sourceImage.nativeElement;
/** @type {?} */
var ratio = this.transformedSize.width / sourceImageElement.offsetWidth;
/** @type {?} */
var offsetX;
/** @type {?} */
var offsetY;
if (canvasRotation % 2) {
offsetX = (this.transformedSize.width - this.originalSize.height) / 2;
offsetY = (this.transformedSize.height - this.originalSize.width) / 2;
}
else {
offsetX = (this.transformedSize.width - this.originalSize.width) / 2;
offsetY = (this.transformedSize.height - this.originalSize.height) / 2;
}
/** @type {?} */
var out = {
x1: Math.round(this.cropper.x1 * ratio) - offsetX,
y1: Math.round(this.cropper.y1 * ratio) - offsetY,
x2: Math.round(this.cropper.x2 * ratio) - offsetX,
y2: Math.round(this.cropper.y2 * ratio) - offsetY
};
if (!this.containWithinAspectRatio) {
out.x1 = Math.max(out.x1, 0);
out.y1 = Math.max(out.y1, 0);
out.x2 = Math.min(out.x2, this.transformedSize.width);
out.y2 = Math.min(out.y2, this.transformedSize.height);
}
return out;
};
/**
* @private
* @param {?} cropCanvas
* @return {?}
*/
ImageCropperComponent.prototype.cropToBase64 = /**
* @private
* @param {?} cropCanvas
* @return {?}
*/
function (cropCanvas) {
return cropCanvas.toDataURL('image/' + this.format, this.getQuality());
};
/**
* @private
* @return {?}
*/
ImageCropperComponent.prototype.getQuality = /**
* @private
* @return {?}
*/
function () {
return Math.min(1, Math.max(0, this.imageQuality / 100));
};
/**
* @param {?} width
* @param {?} height
* @return {?}
*/
ImageCropperComponent.prototype.getResizeRatio = /**
* @param {?} width
* @param {?} height
* @return {?}
*/
function (width, height) {
/** @type {?} */
var ratioWidth = this.resizeToWidth / width;
/** @type {?} */
var ratioHeight = this.resizeToHeight / height;
/** @type {?} */
var ratios = new Array();
if (this.resizeToWidth > 0) {