170 lines
6.9 KiB
C#
170 lines
6.9 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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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using ASC.Core.Common.Settings;
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namespace ASC.Web.Core.Users
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{
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public class UserPhotoThumbnailManager
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{
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public static List<ThumbnailItem> SaveThumbnails(UserPhotoManager userPhotoManager, SettingsManager settingsManager, int x, int y, int width, int height, Guid userId)
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{
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return SaveThumbnails(userPhotoManager, settingsManager, new UserPhotoThumbnailSettings(x, y, width, height), userId);
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}
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public static List<ThumbnailItem> SaveThumbnails(UserPhotoManager userPhotoManager, SettingsManager settingsManager, Point point, Size size, Guid userId)
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{
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return SaveThumbnails(userPhotoManager, settingsManager, new UserPhotoThumbnailSettings(point, size), userId);
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}
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public static List<ThumbnailItem> SaveThumbnails(UserPhotoManager userPhotoManager, SettingsManager settingsManager, UserPhotoThumbnailSettings thumbnailSettings, Guid userId)
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{
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if (thumbnailSettings.Size.IsEmpty) return null;
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var thumbnailsData = new ThumbnailsData(userId, userPhotoManager);
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var resultBitmaps = new List<ThumbnailItem>();
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var img = thumbnailsData.MainImgBitmap();
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if (img == null) return null;
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foreach (var thumbnail in thumbnailsData.ThumbnailList())
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{
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thumbnail.Bitmap = GetBitmap(img, thumbnail.Size, thumbnailSettings);
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resultBitmaps.Add(thumbnail);
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}
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thumbnailsData.Save(resultBitmaps);
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settingsManager.SaveForUser(thumbnailSettings, userId);
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return thumbnailsData.ThumbnailList();
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}
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public static Bitmap GetBitmap(Image mainImg, Size size, UserPhotoThumbnailSettings thumbnailSettings)
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{
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var thumbnailBitmap = new Bitmap(size.Width, size.Height);
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var scaleX = size.Width / (1.0 * thumbnailSettings.Size.Width);
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var scaleY = size.Height / (1.0 * thumbnailSettings.Size.Height);
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var rect = new Rectangle(-(int)(scaleX * (1.0 * thumbnailSettings.Point.X)),
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-(int)(scaleY * (1.0 * thumbnailSettings.Point.Y)),
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(int)(scaleX * mainImg.Width),
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(int)(scaleY * mainImg.Height));
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using (var graphic = Graphics.FromImage(thumbnailBitmap))
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{
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graphic.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
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graphic.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
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graphic.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
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graphic.DrawImage(mainImg, rect);
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using var wrapMode = new System.Drawing.Imaging.ImageAttributes();
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wrapMode.SetWrapMode(System.Drawing.Drawing2D.WrapMode.TileFlipXY);
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graphic.DrawImage(mainImg, rect, 0, 0, mainImg.Width, mainImg.Height, GraphicsUnit.Pixel, wrapMode);
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}
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return thumbnailBitmap;
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}
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}
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public class ThumbnailItem
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{
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public Size Size { get; set; }
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public string ImgUrl { get; set; }
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public Bitmap Bitmap { get; set; }
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}
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public class ThumbnailsData
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{
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private Guid UserId { get; set; }
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private UserPhotoManager UserPhotoManager { get; }
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public ThumbnailsData(Guid userId, UserPhotoManager userPhotoManager)
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{
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UserId = userId;
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UserPhotoManager = userPhotoManager;
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}
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public Bitmap MainImgBitmap()
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{
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return UserPhotoManager.GetPhotoBitmap(UserId);
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}
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public string MainImgUrl()
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{
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return UserPhotoManager.GetPhotoAbsoluteWebPath(UserId);
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}
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public List<ThumbnailItem> ThumbnailList()
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{
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return new List<ThumbnailItem>
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{
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new ThumbnailItem
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{
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Size = UserPhotoManager.RetinaFotoSize,
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ImgUrl = UserPhotoManager.GetRetinaPhotoURL(UserId)
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},
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new ThumbnailItem
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{
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Size = UserPhotoManager.MaxFotoSize,
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ImgUrl = UserPhotoManager.GetMaxPhotoURL(UserId)
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},
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new ThumbnailItem
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{
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Size = UserPhotoManager.BigFotoSize,
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ImgUrl = UserPhotoManager.GetBigPhotoURL(UserId)
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},
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new ThumbnailItem
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{
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Size = UserPhotoManager.MediumFotoSize,
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ImgUrl = UserPhotoManager.GetMediumPhotoURL(UserId)
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},
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new ThumbnailItem
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{
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Size = UserPhotoManager.SmallFotoSize,
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ImgUrl = UserPhotoManager.GetSmallPhotoURL(UserId)
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}
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};
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}
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public void Save(List<ThumbnailItem> bitmaps)
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{
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foreach (var item in bitmaps)
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{
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using var mainImgBitmap = MainImgBitmap();
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UserPhotoManager.SaveThumbnail(UserId, item.Bitmap, mainImgBitmap.RawFormat);
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}
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}
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}
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} |