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author | Romulus Urakagi Tsai <urakagi@gmail.com> | 2019-08-12 01:43:21 +0000 |
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committer | Romulus Urakagi Tsai <urakagi@gmail.com> | 2019-08-12 01:43:21 +0000 |
commit | efdab37f3faeb125a9b8d31969762932bbbc0c4b (patch) | |
tree | 5fdb667b151819325e340a23c7250bd2bb638137 /client/lib | |
parent | 4f4e0a21f80019048aad6b7a679899c048cb3865 (diff) | |
parent | db1cf5bb64f10317742361637d239f08bec141b8 (diff) | |
download | wekan-efdab37f3faeb125a9b8d31969762932bbbc0c4b.tar.gz wekan-efdab37f3faeb125a9b8d31969762932bbbc0c4b.tar.bz2 wekan-efdab37f3faeb125a9b8d31969762932bbbc0c4b.zip |
Merge branch 'master' of https://github.com/wekan/wekan
Diffstat (limited to 'client/lib')
-rw-r--r-- | client/lib/utils.js | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/client/lib/utils.js b/client/lib/utils.js index 5681273e..81835929 100644 --- a/client/lib/utils.js +++ b/client/lib/utils.js @@ -24,6 +24,83 @@ Utils = { ); }, + MAX_IMAGE_PIXEL: Meteor.settings.public.MAX_IMAGE_PIXEL, + COMPRESS_RATIO: Meteor.settings.public.IMAGE_COMPRESS_RATIO, + processUploadedAttachment(card, fileObj, callback) { + const next = attachment => { + if (typeof callback === 'function') { + callback(attachment); + } + }; + if (!card) { + return next(); + } + const file = new FS.File(fileObj); + if (card.isLinkedCard()) { + file.boardId = Cards.findOne(card.linkedId).boardId; + file.cardId = card.linkedId; + } else { + file.boardId = card.boardId; + file.swimlaneId = card.swimlaneId; + file.listId = card.listId; + file.cardId = card._id; + } + file.userId = Meteor.userId(); + if (file.original) { + file.original.name = fileObj.name; + } + return next(Attachments.insert(file)); + }, + shrinkImage(options) { + // shrink image to certain size + const dataurl = options.dataurl, + callback = options.callback, + toBlob = options.toBlob; + let canvas = document.createElement('canvas'), + image = document.createElement('img'); + const maxSize = options.maxSize || 1024; + const ratio = options.ratio || 1.0; + const next = function(result) { + image = null; + canvas = null; + if (typeof callback === 'function') { + callback(result); + } + }; + image.onload = function() { + let width = this.width, + height = this.height; + let changed = false; + if (width > height) { + if (width > maxSize) { + height *= maxSize / width; + width = maxSize; + changed = true; + } + } else if (height > maxSize) { + width *= maxSize / height; + height = maxSize; + changed = true; + } + canvas.width = width; + canvas.height = height; + canvas.getContext('2d').drawImage(this, 0, 0, width, height); + if (changed === true) { + const type = 'image/jpeg'; + if (toBlob) { + canvas.toBlob(next, type, ratio); + } else { + next(canvas.toDataURL(type, ratio)); + } + } else { + next(changed); + } + }; + image.onerror = function() { + next(false); + }; + image.src = dataurl; + }, capitalize(string) { return string.charAt(0).toUpperCase() + string.slice(1); }, |