diff options
Diffstat (limited to 'catalog-ui/src/app/directives/graphs-v2/image-creator/image-creator.service.ts')
-rw-r--r-- | catalog-ui/src/app/directives/graphs-v2/image-creator/image-creator.service.ts | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/catalog-ui/src/app/directives/graphs-v2/image-creator/image-creator.service.ts b/catalog-ui/src/app/directives/graphs-v2/image-creator/image-creator.service.ts deleted file mode 100644 index 19c86a254b..0000000000 --- a/catalog-ui/src/app/directives/graphs-v2/image-creator/image-creator.service.ts +++ /dev/null @@ -1,86 +0,0 @@ -/*- - * ============LICENSE_START======================================================= - * SDC - * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. 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 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * ============LICENSE_END========================================================= - */ - -export interface ICanvasImage { - src: string; - width: number - height: number; - x: number; - y: number; -} - -'use strict'; -export class ImageCreatorService { - static '$inject' = ['$q']; - private _canvas: HTMLCanvasElement; - - constructor(private $q: ng.IQService) { - this._canvas = <HTMLCanvasElement>$('<canvas>')[0]; - this._canvas.setAttribute('style', 'display:none'); - - let body = document.getElementsByTagName('body')[0]; - body.appendChild(this._canvas); - } - - /** - * Create an image composed of different image layers - * @param canvasImages - * @param canvasWidth - * @param canvasHeight - * returns a PROMISE - */ - getMultiLayerBase64Image(canvasImages: ICanvasImage[], canvasWidth?: number, canvasHeight?: number): ng.IPromise<string> { - const deferred = this.$q.defer<string>(); - - if (canvasImages && canvasImages.length === 0) { - return null; - } - - //If only width was set, use it for height, otherwise use first canvasImage height - canvasHeight = canvasHeight || canvasImages[0].height; - canvasWidth = canvasWidth || canvasImages[0].width; - - const images = []; - let imagesLoaded = 0; - const onImageLoaded = () => { - imagesLoaded++; - if (imagesLoaded < canvasImages.length) { - return; - } - this._canvas.setAttribute('width', canvasWidth.toString()); - this._canvas.setAttribute('height', canvasHeight.toString()); - const canvasCtx = this._canvas.getContext('2d'); - canvasCtx.clearRect(0, 0, this._canvas.width, this._canvas.height); - images.forEach((image, index) => { - const canvasImage = canvasImages[index]; - canvasCtx.drawImage(image, canvasImage.x, canvasImage.y, canvasImage.width, canvasImage.height); - }); - let base64Image = this._canvas.toDataURL(); - deferred.resolve(base64Image); - }; - canvasImages.forEach(canvasImage => { - let image = new Image(); - image.onload = onImageLoaded; - image.src = canvasImage.src; - images.push(image); - }); - return deferred.promise; - } -} |