pavelbannov
320a1f2250
# Conflicts: # common/ASC.Api.Core/Core/BaseStartup.cs # common/ASC.Common/Caching/AscCache.cs # common/ASC.Common/Data/StreamExtension.cs # common/ASC.Common/Utils/RandomString.cs # common/ASC.Core.Common/Billing/CouponManager.cs # common/ASC.Core.Common/Billing/License/LicenseReader.cs # common/ASC.Core.Common/Core/UserGroupRef.cs # common/ASC.Core.Common/Data/DbTenantService.cs # common/ASC.Core.Common/Notify/Jabber/JabberServiceClientWcf.cs # common/ASC.Core.Common/Notify/Telegram/Dao/CachedTelegramDao.cs # common/ASC.Data.Backup.Core/Core/DbHelper.cs # common/ASC.Data.Backup.Core/Storage/BackupRepository.cs # common/ASC.Data.Backup.Core/Tasks/Data/TableInfo.cs # common/ASC.Data.Storage/BaseStorage.cs # common/ASC.Data.Storage/DiscStorage/DiscDataStore.cs # common/ASC.Data.Storage/GoogleCloud/GoogleCloudStorage.cs # common/ASC.Data.Storage/RackspaceCloud/RackspaceCloudStorage.cs # common/ASC.Data.Storage/S3/S3Storage.cs # common/ASC.Notify.Textile/JabberStyler.cs # common/ASC.Textile/Blocks/GlyphBlockModifier.cs # common/ASC.Textile/States/TableRowFormatterState.cs # common/services/ASC.ApiSystem/Classes/CommonMethods.cs # common/services/ASC.ApiSystem/Controllers/PortalController.cs # common/services/ASC.ClearEvents/Program.cs # common/services/ASC.TelegramService/Startup.cs # common/services/ASC.UrlShortener.Svc/Program.cs # products/ASC.Files/Core/Core/Entries/File.cs # products/ASC.Files/Core/Core/Entries/FileEntry.cs # products/ASC.Files/Core/Core/Entries/FileHelper.cs # products/ASC.Files/Core/Core/Entries/Folder.cs # products/ASC.Files/Core/Core/FileStorageService.cs # products/ASC.Files/Core/Core/Thirdparty/ProviderDao/ProviderDaoBase.cs # products/ASC.Files/Core/Helpers/ThirdpartyConfiguration.cs # products/ASC.Files/Core/HttpHandlers/FileHandler.ashx.cs # products/ASC.Files/Core/Services/DocumentService/Configuration.cs # products/ASC.Files/Core/Services/DocumentService/DocumentServiceConnector.cs # products/ASC.Files/Core/Services/DocumentService/DocumentServiceTracker.cs # products/ASC.Files/Core/Services/WCFService/FileOperations/FileDownloadOperation.cs # products/ASC.Files/Core/Services/WCFService/FileOperations/FileMoveCopyOperation.cs # products/ASC.Files/Core/Utils/EntryManager.cs # products/ASC.Files/Server/Helpers/FilesControllerHelper.cs # products/ASC.Files/Server/Startup.cs # products/ASC.Files/Service/Thumbnail/Builder.cs # products/ASC.Files/Service/Thumbnail/FileDataProvider.cs # products/ASC.People/Server/Startup.cs # web/ASC.Web.Core/Files/DocumentService.cs # web/ASC.Web.Core/Files/DocumentServiceLicense.cs # web/ASC.Web.Core/QuotaSync.cs # web/ASC.Web.Core/Sms/SmsKeyStorage.cs # web/ASC.Web.Core/Users/UserManagerWrapper.cs # web/ASC.Web.HealthChecks.UI/Program.cs # web/ASC.Web.Studio/Startup.cs
109 lines
4.2 KiB
C#
109 lines
4.2 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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namespace ASC.Web.Core
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{
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public static class CommonPhotoManager
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{
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public static Image DoThumbnail(Image image, Size size, bool crop, bool transparent, bool rectangle)
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{
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var width = size.Width;
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var height = size.Height;
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var realWidth = image.Width;
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var realHeight = image.Height;
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Image thumbnail;
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var maxSide = realWidth > realHeight ? realWidth : realHeight;
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var minSide = realWidth < realHeight ? realWidth : realHeight;
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var alignWidth = crop ? (minSide == realWidth) : (maxSide == realWidth);
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var scaleFactor = alignWidth ? (realWidth / (1.0 * width)) : (realHeight / (1.0 * height));
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if (scaleFactor < 1) scaleFactor = 1;
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int locationX, locationY;
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int finalWidth, finalHeigth;
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finalWidth = (int)(realWidth / scaleFactor);
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finalHeigth = (int)(realHeight / scaleFactor);
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if (rectangle)
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{
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thumbnail = new Image<Rgba32>(width, height);
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locationY = (int)((height / 2.0) - (finalHeigth / 2.0));
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locationX = (int)((width / 2.0) - (finalWidth / 2.0));
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if (!transparent)
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{
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thumbnail.Mutate(x=> x.Clear(Color.White));
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}
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var point = new Point(locationX, locationY);
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image.Mutate(y => y.Resize(finalWidth, finalHeigth));
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thumbnail.Mutate(x => x.DrawImage(image, point, 1));
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}
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else
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{
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thumbnail = new Image<Rgba32>(finalWidth, finalHeigth);
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if (!transparent)
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{
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thumbnail.Mutate(x => x.Clear(Color.White));
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}
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image.Mutate(y => y.Resize(finalWidth, finalHeigth));
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thumbnail.Mutate(x => x.DrawImage(image, 1));
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}
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return thumbnail;
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}
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public static byte[] SaveToBytes(Image img)
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{
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using var memoryStream = new MemoryStream();
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img.Save(memoryStream, PngFormat.Instance);
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return memoryStream.ToArray();
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}
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public static byte[] SaveToBytes(Image img, IImageFormat imageFormat)
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{
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byte[] data;
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using (var memoryStream = new MemoryStream())
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{
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img.Save(memoryStream, imageFormat);
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data = memoryStream.ToArray();
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}
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return data;
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}
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public static string GetImgFormatName(IImageFormat format)
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{
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return format.Name.ToLower();
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}
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}
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}
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