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lib/cornerstone/cornerstone-base64-image-loader.es5.js
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/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
var __assign = function() {
__assign = Object.assign || function __assign(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var _defaultOptions = {
channel: 4,
width: null,
height: null,
schema: 'base64://'
};
var CornerstoneBase64ImageLoader = /** @class */ (function () {
function CornerstoneBase64ImageLoader(cornerstone, options) {
if (options === void 0) { options = _defaultOptions; }
this._cornerstone = cornerstone;
this._options = options;
this._lastImageIdDrawn = null;
this._UPNG = null;
this._canvas = document.createElement('canvas');
this.arrayBufferToImage = this.arrayBufferToImage.bind(this);
this.getArrayBuffer = this.getArrayBuffer.bind(this);
this.decodeBase64 = this.decodeBase64.bind(this);
this.createImage = this.createImage.bind(this);
this.imageLoader = this.imageLoader.bind(this);
this.replaceImage = this.replaceImage.bind(this);
}
CornerstoneBase64ImageLoader.prototype.arrayBufferToImage = function (arrayBuffer) {
return new Promise(function (resolve, reject) {
var image = new Image();
var arrayBufferView = new Uint8Array(arrayBuffer);
var blob = new Blob([arrayBufferView]);
var urlCreator = window.URL || window.webkitURL;
var imageUrl = urlCreator.createObjectURL(blob);
image.src = imageUrl;
image.onload = function () {
urlCreator.revokeObjectURL(imageUrl);
resolve(image);
};
image.onerror = function (error) {
urlCreator.revokeObjectURL(imageUrl);
reject(error);
};
});
};
CornerstoneBase64ImageLoader.prototype.getArrayBuffer = function (str) {
var buf = new ArrayBuffer(str.length);
var bufView = new Uint8Array(buf);
Array.from(str).map(function (ch, idx) {
bufView[idx] = ch.charCodeAt(0);
return ch;
});
return bufView;
};
CornerstoneBase64ImageLoader.prototype.decodeBase64 = function (base64PixelData) {
var pixelDataAsString = window.atob(base64PixelData);
var arrayBuffer = this.getArrayBuffer(pixelDataAsString);
return arrayBuffer;
};
CornerstoneBase64ImageLoader.prototype.createImage = function (image, imageId) {
var _this = this;
var rows = image.naturalHeight;
var columns = image.naturalWidth;
var getImageData = function () {
var context;
if (_this._lastImageIdDrawn === imageId) {
context = _this._canvas.getContext('2d');
}
else {
_this._canvas.height = image.naturalHeight;
_this._canvas.width = image.naturalWidth;
context = _this._canvas.getContext('2d');
context.drawImage(image, 0, 0);
_this._lastImageIdDrawn = imageId;
}
return context.getImageData(0, 0, image.naturalWidth, image.naturalHeight);
};
var getPixelData = function () {
var imageData = getImageData();
return imageData.data;
};
var getCanvas = function () {
if (_this._lastImageIdDrawn === imageId) {
return _this._canvas;
}
_this._canvas.height = image.naturalHeight;
_this._canvas.width = image.naturalWidth;
var context = _this._canvas.getContext('2d');
context.drawImage(image, 0, 0);
_this._lastImageIdDrawn = imageId;
return _this._canvas;
};
var setLastImageIdDrawn = function (nextLastImageIdDrawn) {
if (nextLastImageIdDrawn === void 0) { nextLastImageIdDrawn = null; }
_this._lastImageIdDrawn = nextLastImageIdDrawn;
};
return {
imageId: imageId,
minPixelValue: 0,
maxPixelValue: 255,
slope: 1,
intercept: 0,
windowCenter: 128,
windowWidth: 255,
render: this.cornerstone.renderWebImage,
getPixelData: getPixelData,
getCanvas: getCanvas,
getImage: function () { return image; },
setLastImageIdDrawn: setLastImageIdDrawn,
rows: rows,
columns: columns,
height: rows,
width: columns,
color: true,
rgba: false,
columnPixelSpacing: null,
rowPixelSpacing: null,
invert: false,
sizeInBytes: rows * columns * this._options.channel
};
};
CornerstoneBase64ImageLoader.prototype.imageLoader = function (imageId) {
var _this = this;
// const schema = imageId.split('://')[0]
var base64PixelData = imageId.replace(this._options.schema, '');
var arrayBuffer;
if (this._options.width && this._options.height && this._UPNG) {
var columns = this._options.width;
var rows = this._options.height;
arrayBuffer = new Uint8Array(columns * rows * this._options.channel);
arrayBuffer = this._UPNG.encode([arrayBuffer.buffer], columns, rows, 0);
}
else {
arrayBuffer = this.decodeBase64(base64PixelData);
}
var imagePromise = this.arrayBufferToImage(arrayBuffer);
var promise = new Promise(function (resolve, reject) {
imagePromise.then(function (image) {
var imageObject = _this.createImage(image, imageId);
resolve(imageObject);
}, reject);
});
return {
promise: promise
};
};
CornerstoneBase64ImageLoader.prototype.replaceImage = function (layer, arrayBuffer) {
var _this = this;
if (!this._UPNG) {
return null;
}
var png = this._UPNG.encode([arrayBuffer.buffer], layer.image.columns, layer.image.rows, 0);
var imagePromise = this.arrayBufferToImage(png);
return imagePromise.then(function (image) {
layer.image = _this.createImage(image, layer.image.imageId);
});
};
Object.defineProperty(CornerstoneBase64ImageLoader.prototype, "options", {
get: function () {
return __assign({}, this._options);
},
enumerable: true,
configurable: true
});
Object.defineProperty(CornerstoneBase64ImageLoader.prototype, "cornerstone", {
get: function () {
return this._cornerstone;
},
enumerable: true,
configurable: true
});
Object.defineProperty(CornerstoneBase64ImageLoader.prototype, "UPNG", {
get: function () {
return this._UPNG;
},
enumerable: true,
configurable: true
});
CornerstoneBase64ImageLoader.prototype.setUPNG = function (UPNG) {
this._UPNG = UPNG;
};
CornerstoneBase64ImageLoader.prototype.registerLoaders = function () {
this.cornerstone.registerImageLoader('base64', this.imageLoader);
};
return CornerstoneBase64ImageLoader;
}());
var _imageLoader;
var _options = __assign({}, _defaultOptions);
var cornerstoneBase64ImageLoader = {
external: {
set cornerstone(cs) {
_imageLoader = new CornerstoneBase64ImageLoader(cs, _options);
_imageLoader.registerLoaders();
},
get cornerstone() {
return _imageLoader.cornerstone;
},
get UPNG() {
return _imageLoader.UPNG;
},
set UPNG(_UPNG) {
_imageLoader.setUPNG(_UPNG);
}
},
initOptions: function () {
_options = __assign({}, _defaultOptions);
},
set options(newOptions) {
_options = __assign({}, _options, newOptions);
},
get options() {
return __assign({}, _options);
},
get imageLoader() {
return _imageLoader;
}
};
export default cornerstoneBase64ImageLoader;
//# sourceMappingURL=cornerstone-base64-image-loader.es5.js.map
lib/cornerstone/cornerstone-base64-image-loader.umd.js
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(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global.cornerstoneBase64ImageLoader = factory());
}(this, (function () { 'use strict';
/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
var __assign = function() {
__assign = Object.assign || function __assign(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var _defaultOptions = {
channel: 4,
width: null,
height: null,
schema: 'base64://'
};
var CornerstoneBase64ImageLoader = /** @class */ (function () {
function CornerstoneBase64ImageLoader(cornerstone, options) {
if (options === void 0) { options = _defaultOptions; }
this._cornerstone = cornerstone;
this._options = options;
this._lastImageIdDrawn = null;
this._UPNG = null;
this._canvas = document.createElement('canvas');
this.arrayBufferToImage = this.arrayBufferToImage.bind(this);
this.getArrayBuffer = this.getArrayBuffer.bind(this);
this.decodeBase64 = this.decodeBase64.bind(this);
this.createImage = this.createImage.bind(this);
this.imageLoader = this.imageLoader.bind(this);
this.replaceImage = this.replaceImage.bind(this);
}
CornerstoneBase64ImageLoader.prototype.arrayBufferToImage = function (arrayBuffer) {
return new Promise(function (resolve, reject) {
var image = new Image();
var arrayBufferView = new Uint8Array(arrayBuffer);
var blob = new Blob([arrayBufferView]);
var urlCreator = window.URL || window.webkitURL;
var imageUrl = urlCreator.createObjectURL(blob);
image.src = imageUrl;
image.onload = function () {
urlCreator.revokeObjectURL(imageUrl);
resolve(image);
};
image.onerror = function (error) {
urlCreator.revokeObjectURL(imageUrl);
reject(error);
};
});
};
CornerstoneBase64ImageLoader.prototype.getArrayBuffer = function (str) {
var buf = new ArrayBuffer(str.length);
var bufView = new Uint8Array(buf);
Array.from(str).map(function (ch, idx) {
bufView[idx] = ch.charCodeAt(0);
return ch;
});
return bufView;
};
CornerstoneBase64ImageLoader.prototype.decodeBase64 = function (base64PixelData) {
var pixelDataAsString = window.atob(base64PixelData);
var arrayBuffer = this.getArrayBuffer(pixelDataAsString);
return arrayBuffer;
};
CornerstoneBase64ImageLoader.prototype.createImage = function (image, imageId) {
var _this = this;
var rows = image.naturalHeight;
var columns = image.naturalWidth;
var getImageData = function () {
var context;
if (_this._lastImageIdDrawn === imageId) {
context = _this._canvas.getContext('2d');
}
else {
_this._canvas.height = image.naturalHeight;
_this._canvas.width = image.naturalWidth;
context = _this._canvas.getContext('2d');
context.drawImage(image, 0, 0);
_this._lastImageIdDrawn = imageId;
}
return context.getImageData(0, 0, image.naturalWidth, image.naturalHeight);
};
var getPixelData = function () {
var imageData = getImageData();
return imageData.data;
};
var getCanvas = function () {
if (_this._lastImageIdDrawn === imageId) {
return _this._canvas;
}
_this._canvas.height = image.naturalHeight;
_this._canvas.width = image.naturalWidth;
var context = _this._canvas.getContext('2d');
context.drawImage(image, 0, 0);
_this._lastImageIdDrawn = imageId;
return _this._canvas;
};
var setLastImageIdDrawn = function (nextLastImageIdDrawn) {
if (nextLastImageIdDrawn === void 0) { nextLastImageIdDrawn = null; }
_this._lastImageIdDrawn = nextLastImageIdDrawn;
};
return {
imageId: imageId,
minPixelValue: 0,
maxPixelValue: 255,
slope: 1,
intercept: 0,
windowCenter: 128,
windowWidth: 255,
render: this.cornerstone.renderWebImage,
getPixelData: getPixelData,
getCanvas: getCanvas,
getImage: function () { return image; },
setLastImageIdDrawn: setLastImageIdDrawn,
rows: rows,
columns: columns,
height: rows,
width: columns,
color: true,
rgba: false,
columnPixelSpacing: null,
rowPixelSpacing: null,
invert: false,
sizeInBytes: rows * columns * this._options.channel
};
};
CornerstoneBase64ImageLoader.prototype.imageLoader = function (imageId) {
var _this = this;
// const schema = imageId.split('://')[0]
var base64PixelData = imageId.replace(this._options.schema, '');
var arrayBuffer;
if (this._options.width && this._options.height && this._UPNG) {
var columns = this._options.width;
var rows = this._options.height;
arrayBuffer = new Uint8Array(columns * rows * this._options.channel);
arrayBuffer = this._UPNG.encode([arrayBuffer.buffer], columns, rows, 0);
}
else {
arrayBuffer = this.decodeBase64(base64PixelData);
}
var imagePromise = this.arrayBufferToImage(arrayBuffer);
var promise = new Promise(function (resolve, reject) {
imagePromise.then(function (image) {
var imageObject = _this.createImage(image, imageId);
resolve(imageObject);
}, reject);
});
return {
promise: promise
};
};
CornerstoneBase64ImageLoader.prototype.replaceImage = function (layer, arrayBuffer) {
var _this = this;
if (!this._UPNG) {
return null;
}
var png = this._UPNG.encode([arrayBuffer.buffer], layer.image.columns, layer.image.rows, 0);
var imagePromise = this.arrayBufferToImage(png);
return imagePromise.then(function (image) {
layer.image = _this.createImage(image, layer.image.imageId);
});
};
Object.defineProperty(CornerstoneBase64ImageLoader.prototype, "options", {
get: function () {
return __assign({}, this._options);
},
enumerable: true,
configurable: true
});
Object.defineProperty(CornerstoneBase64ImageLoader.prototype, "cornerstone", {
get: function () {
return this._cornerstone;
},
enumerable: true,
configurable: true
});
Object.defineProperty(CornerstoneBase64ImageLoader.prototype, "UPNG", {
get: function () {
return this._UPNG;
},
enumerable: true,
configurable: true
});
CornerstoneBase64ImageLoader.prototype.setUPNG = function (UPNG) {
this._UPNG = UPNG;
};
CornerstoneBase64ImageLoader.prototype.registerLoaders = function () {
this.cornerstone.registerImageLoader('base64', this.imageLoader);
};
return CornerstoneBase64ImageLoader;
}());
var _imageLoader;
var _options = __assign({}, _defaultOptions);
var cornerstoneBase64ImageLoader = {
external: {
set cornerstone(cs) {
_imageLoader = new CornerstoneBase64ImageLoader(cs, _options);
_imageLoader.registerLoaders();
},
get cornerstone() {
return _imageLoader.cornerstone;
},
get UPNG() {
return _imageLoader.UPNG;
},
set UPNG(_UPNG) {
_imageLoader.setUPNG(_UPNG);
}
},
initOptions: function () {
_options = __assign({}, _defaultOptions);
},
set options(newOptions) {
_options = __assign({}, _options, newOptions);
},
get options() {
return __assign({}, _options);
},
get imageLoader() {
return _imageLoader;
}
};
return cornerstoneBase64ImageLoader;
})));
//# sourceMappingURL=cornerstone-base64-image-loader.umd.js.map
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/*! cornerstone - v0.9.0 - 2016-02-03 | (c) 2014 Chris Hafey | https://github.com/chafey/cornerstone */.cornerstone-enabled-image{-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:default}
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/*! cornerstone-web-image-loader - 2.1.1 - 2018-12-05 | (c) 2016 Chris Hafey | https://github.com/cornerstonejs/cornerstoneWebImageLoader */
!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define("cornerstoneWebImageLoader",[],t):"object"==typeof exports?exports.cornerstoneWebImageLoader=t():e.cornerstoneWebImageLoader=t()}(window,function(){return function(e){var t={};function n(r){if(t[r])return t[r].exports;var o=t[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,n),o.l=!0,o.exports}return n.m=e,n.c=t,n.d=function(e,t,r){n.o(e,t)||Object.defineProperty(e,t,{configurable:!1,enumerable:!0,get:r})},n.r=function(e){Object.defineProperty(e,"__esModule",{value:!0})},n.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(t,"a",t),t},n.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},n.p="",n(n.s=5)}([function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.external=void 0;var r,o=n(4),a=(r=o)&&r.__esModule?r:{default:r};var u=void 0,i={set cornerstone(e){u=e,(0,a.default)(u)},get cornerstone(){return u}};t.external=i},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.loadImage=function(e){var t=r.external.cornerstone,n=new XMLHttpRequest;return n.open("GET",e,!0),n.responseType="arraybuffer",i.beforeSend(n),n.onprogress=function(n){if(n.lengthComputable){var r=n.loaded,o=n.total,a=Math.round(r/o*100),u={imageId:e,loaded:r,total:o,percentComplete:a};t.triggerEvent(t.events,"cornerstoneimageloadprogress",u)}},{promise:new Promise(function(t,r){n.onload=function(){(0,o.default)(this.response).then(function(n){var r=(0,a.default)(n,e);t(r)},r)},n.send()}),cancelFn:function(){n.abort()}}},t.configure=function(e){i=e};var r=n(0),o=u(n(3)),a=u(n(2));function u(e){return e&&e.__esModule?e:{default:e}}var i={beforeSend:function(){}}},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(e,t){var n=e.naturalHeight,u=e.naturalWidth;return{imageId:t,minPixelValue:0,maxPixelValue:255,slope:1,intercept:0,windowCenter:128,windowWidth:255,render:r.external.cornerstone.renderWebImage,getPixelData:function(){return(n=void 0,a===t?n=o.getContext("2d"):(o.height=e.naturalHeight,o.width=e.naturalWidth,(n=o.getContext("2d")).drawImage(e,0,0),a=t),n.getImageData(0,0,e.naturalWidth,e.naturalHeight)).data;var n},getCanvas:function(){return a===t?o:(o.height=e.naturalHeight,o.width=e.naturalWidth,o.getContext("2d").drawImage(e,0,0),a=t,o)},getImage:function(){return e},rows:n,columns:u,height:n,width:u,color:!0,rgba:!1,columnPixelSpacing:void 0,rowPixelSpacing:void 0,invert:!1,sizeInBytes:n*u*4}};var r=n(0),o=document.createElement("canvas"),a=void 0},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(e){return new Promise(function(t,n){var r=new Image,o=new Uint8Array(e),a=new Blob([o]),u=window.URL||window.webkitURL,i=u.createObjectURL(a);r.src=i,r.onload=function(){t(r),u.revokeObjectURL(i)},r.onerror=function(e){u.revokeObjectURL(i),n(e)}})}},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(e){e.registerImageLoader("http",r.loadImage),e.registerImageLoader("https",r.loadImage)};var r=n(1)},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.external=t.configure=t.loadImage=t.createImage=t.arrayBufferToImage=void 0;var r=i(n(3)),o=i(n(2)),a=n(1),u=n(0);function i(e){return e&&e.__esModule?e:{default:e}}var d={arrayBufferToImage:r.default,createImage:o.default,loadImage:a.loadImage,configure:a.configure,external:u.external};t.arrayBufferToImage=r.default,t.createImage=o.default,t.loadImage=a.loadImage,t.configure=a.configure,t.external=u.external,t.default=d}])});
//# sourceMappingURL=cornerstoneWebImageLoader.min.js.map
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