Typescript: ImageUtils
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2 changed files with 3 additions and 6 deletions
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# autogenerated file: run scripts/generate-eslint-error-ignore-file to update.
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# autogenerated file: run scripts/generate-eslint-error-ignore-file to update.
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src/ImageUtils.js
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src/Markdown.js
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src/Markdown.js
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src/Rooms.js
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src/Rooms.js
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src/Unread.js
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src/Unread.js
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/*
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/*
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Copyright 2015, 2016 OpenMarket Ltd
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Copyright 2015, 2016, 2020 Copyright 2020 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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you may not use this file except in compliance with the License.
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@ -14,8 +14,6 @@ See the License for the specific language governing permissions and
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limitations under the License.
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limitations under the License.
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*/
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*/
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'use strict';
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/**
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/**
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* Returns the actual height that an image of dimensions (fullWidth, fullHeight)
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* Returns the actual height that an image of dimensions (fullWidth, fullHeight)
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* will occupy if resized to fit inside a thumbnail bounding box of size
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* will occupy if resized to fit inside a thumbnail bounding box of size
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@ -30,11 +28,11 @@ limitations under the License.
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* consume in the timeline, when performing scroll offset calcuations
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* consume in the timeline, when performing scroll offset calcuations
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* (e.g. scroll locking)
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* (e.g. scroll locking)
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*/
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*/
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export function thumbHeight(fullWidth, fullHeight, thumbWidth, thumbHeight) {
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export function thumbHeight(fullWidth: number, fullHeight: number, thumbWidth: number, thumbHeight: number) {
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if (!fullWidth || !fullHeight) {
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if (!fullWidth || !fullHeight) {
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// Cannot calculate thumbnail height for image: missing w/h in metadata. We can't even
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// Cannot calculate thumbnail height for image: missing w/h in metadata. We can't even
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// log this because it's spammy
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// log this because it's spammy
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return undefined;
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return null;
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}
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}
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if (fullWidth < thumbWidth && fullHeight < thumbHeight) {
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if (fullWidth < thumbWidth && fullHeight < thumbHeight) {
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// no scaling needs to be applied
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// no scaling needs to be applied
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