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/*
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* https://github.com/morethanwords/tweb
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* Copyright (C) 2019-2021 Eduard Kuzmenko
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* https://github.com/morethanwords/tweb/blob/master/LICENSE
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*
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* Originally from:
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* https://github.com/zhukov/webogram
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* Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
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* https://github.com/zhukov/webogram/blob/master/LICENSE
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*/
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import { makeMediaSize } from "./mediaSizes";
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import { MOUNT_CLASS_TO } from "../config/debug";
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export default function calcImageInBox(imageW: number, imageH: number, boxW: number, boxH: number, noZoom = true) {
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if(imageW < boxW && imageH < boxH && noZoom) {
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return makeMediaSize(imageW, imageH);
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}
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let boxedImageW = boxW;
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let boxedImageH = boxH;
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if((imageW / imageH) > (boxW / boxH)) {
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boxedImageH = (imageH * boxW / imageW) | 0;
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} else {
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boxedImageW = (imageW * boxH / imageH) | 0;
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if(boxedImageW > boxW) {
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boxedImageH = (boxedImageH * boxW / boxedImageW) | 0;
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boxedImageW = boxW;
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}
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}
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// if (Config.Navigator.retina) {
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// imageW = Math.floor(imageW / 2)
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// imageH = Math.floor(imageH / 2)
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// }
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if(noZoom && boxedImageW >= imageW && boxedImageH >= imageH) {
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boxedImageW = imageW;
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boxedImageH = imageH;
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}
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return makeMediaSize(boxedImageW, boxedImageH);
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}
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MOUNT_CLASS_TO.calcImageInBox = calcImageInBox;
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