mirror of
https://github.com/ShareX/ShareX.git
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2c35af0592
Merge commits from Greenshot up through bd71f47e95a46642fe6a83bdd76cc4d2a7eed7c2. Some bug fixes, but mostly structural cleanup.
728 lines
31 KiB
C#
728 lines
31 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2015 Thomas Braun, Jens Klingen, Robin Krom
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*
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* For more information see: http://getgreenshot.org/
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* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using Greenshot.IniFile;
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using Greenshot.Plugin;
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using GreenshotPlugin.Controls;
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using System;
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using System.Diagnostics;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Windows.Forms;
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using Encoder = System.Drawing.Imaging.Encoder;
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namespace GreenshotPlugin.Core
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{
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/// <summary>
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/// Description of ImageOutput.
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/// </summary>
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public static class ImageOutput
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{
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private static readonly CoreConfiguration conf = IniConfig.GetIniSection<CoreConfiguration>();
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private static readonly int PROPERTY_TAG_SOFTWARE_USED = 0x0131;
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private static readonly Cache<string, string> tmpFileCache = new Cache<string, string>(10 * 60 * 60, RemoveExpiredTmpFile);
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/// <summary>
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/// Creates a PropertyItem (Metadata) to store with the image.
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/// For the possible ID's see: http://msdn.microsoft.com/de-de/library/system.drawing.imaging.propertyitem.id(v=vs.80).aspx
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/// This code uses Reflection to create a PropertyItem, although it's not adviced it's not as stupid as having a image in the project so we can read a PropertyItem from that!
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/// </summary>
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/// <param name="id">ID</param>
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/// <param name="text">Text</param>
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/// <returns></returns>
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private static PropertyItem CreatePropertyItem(int id, string text)
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{
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PropertyItem propertyItem = null;
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try
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{
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ConstructorInfo ci = typeof(PropertyItem).GetConstructor(BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Public, null, new Type[] { }, null);
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propertyItem = (PropertyItem)ci.Invoke(null);
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// Make sure it's of type string
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propertyItem.Type = 2;
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// Set the ID
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propertyItem.Id = id;
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// Set the text
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byte[] byteString = Encoding.ASCII.GetBytes(text + " ");
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// Set Zero byte for String end.
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byteString[byteString.Length - 1] = 0;
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propertyItem.Value = byteString;
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propertyItem.Len = text.Length + 1;
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}
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catch (Exception e)
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{
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LOG.WarnFormat("Error creating a PropertyItem: {0}", e.Message);
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}
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return propertyItem;
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}
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#region save
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/// <summary>
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/// Saves ISurface to stream with specified output settings
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/// </summary>
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/// <param name="surface">ISurface to save</param>
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/// <param name="stream">Stream to save to</param>
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/// <param name="outputSettings">SurfaceOutputSettings</param>
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public static void SaveToStream(ISurface surface, Stream stream, SurfaceOutputSettings outputSettings)
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{
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Image imageToSave;
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bool disposeImage = CreateImageFromSurface(surface, outputSettings, out imageToSave);
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SaveToStream(imageToSave, surface, stream, outputSettings);
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// cleanup if needed
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if (disposeImage && imageToSave != null)
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{
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imageToSave.Dispose();
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}
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}
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/// <summary>
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/// Saves image to stream with specified quality
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/// To prevent problems with GDI version of before Windows 7:
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/// the stream is checked if it's seekable and if needed a MemoryStream as "cache" is used.
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/// </summary>
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/// <param name="imageToSave">image to save</param>
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/// <param name="surface">surface for the elements, needed if the greenshot format is used</param>
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/// <param name="stream">Stream to save to</param>
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/// <param name="outputSettings">SurfaceOutputSettings</param>
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public static void SaveToStream(Image imageToSave, ISurface surface, Stream stream, SurfaceOutputSettings outputSettings)
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{
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ImageFormat imageFormat;
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bool useMemoryStream = false;
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MemoryStream memoryStream = null;
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if (outputSettings.Format == OutputFormat.greenshot && surface == null)
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{
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throw new ArgumentException("Surface needs to be se when using OutputFormat.Greenshot");
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}
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try
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{
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switch (outputSettings.Format)
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{
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case OutputFormat.bmp:
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imageFormat = ImageFormat.Bmp;
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break;
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case OutputFormat.gif:
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imageFormat = ImageFormat.Gif;
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break;
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case OutputFormat.jpg:
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imageFormat = ImageFormat.Jpeg;
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break;
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case OutputFormat.tiff:
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imageFormat = ImageFormat.Tiff;
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break;
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default:
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// Problem with non-seekable streams most likely doesn't happen with Windows 7 (OS Version 6.1 and later)
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// http://stackoverflow.com/questions/8349260/generic-gdi-error-on-one-machine-but-not-the-other
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if (!stream.CanSeek)
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{
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int majorVersion = Environment.OSVersion.Version.Major;
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int minorVersion = Environment.OSVersion.Version.Minor;
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if (majorVersion < 6 || (majorVersion == 6 && minorVersion == 0))
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{
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useMemoryStream = true;
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LOG.Warn("Using memorystream prevent an issue with saving to a non seekable stream.");
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}
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}
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imageFormat = ImageFormat.Png;
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break;
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}
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LOG.DebugFormat("Saving image to stream with Format {0} and PixelFormat {1}", imageFormat, imageToSave.PixelFormat);
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// Check if we want to use a memory stream, to prevent a issue which happens with Windows before "7".
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// The save is made to the targetStream, this is directed to either the MemoryStream or the original
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Stream targetStream = stream;
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if (useMemoryStream)
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{
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memoryStream = new MemoryStream();
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targetStream = memoryStream;
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}
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if (Equals(imageFormat, ImageFormat.Jpeg))
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{
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bool foundEncoder = false;
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foreach (ImageCodecInfo imageCodec in ImageCodecInfo.GetImageEncoders())
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{
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if (imageCodec.FormatID == imageFormat.Guid)
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{
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EncoderParameters parameters = new EncoderParameters(1);
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parameters.Param[0] = new EncoderParameter(Encoder.Quality, outputSettings.JPGQuality);
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// Removing transparency if it's not supported in the output
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if (Image.IsAlphaPixelFormat(imageToSave.PixelFormat))
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{
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Image nonAlphaImage = ImageHelper.Clone(imageToSave, PixelFormat.Format24bppRgb);
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AddTag(nonAlphaImage);
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nonAlphaImage.Save(targetStream, imageCodec, parameters);
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nonAlphaImage.Dispose();
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nonAlphaImage = null;
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}
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else
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{
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AddTag(imageToSave);
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imageToSave.Save(targetStream, imageCodec, parameters);
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}
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foundEncoder = true;
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break;
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}
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}
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if (!foundEncoder)
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{
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throw new ApplicationException("No JPG encoder found, this should not happen.");
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}
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}
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else
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{
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bool needsDispose = false;
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// Removing transparency if it's not supported in the output
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if (!Equals(imageFormat, ImageFormat.Png) && Image.IsAlphaPixelFormat(imageToSave.PixelFormat))
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{
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imageToSave = ImageHelper.Clone(imageToSave, PixelFormat.Format24bppRgb);
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needsDispose = true;
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}
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AddTag(imageToSave);
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// Added for OptiPNG
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bool processed = false;
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if (Equals(imageFormat, ImageFormat.Png) && !string.IsNullOrEmpty(conf.OptimizePNGCommand))
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{
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processed = ProcessPNGImageExternally(imageToSave, targetStream);
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}
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if (!processed)
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{
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imageToSave.Save(targetStream, imageFormat);
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}
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if (needsDispose)
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{
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imageToSave.Dispose();
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imageToSave = null;
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}
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}
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// If we used a memory stream, we need to stream the memory stream to the original stream.
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if (useMemoryStream)
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{
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memoryStream.WriteTo(stream);
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}
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// Output the surface elements, size and marker to the stream
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if (outputSettings.Format == OutputFormat.greenshot)
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{
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using (MemoryStream tmpStream = new MemoryStream())
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{
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long bytesWritten = surface.SaveElementsToStream(tmpStream);
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using (BinaryWriter writer = new BinaryWriter(tmpStream))
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{
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writer.Write(bytesWritten);
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Version v = Assembly.GetExecutingAssembly().GetName().Version;
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byte[] marker = Encoding.ASCII.GetBytes(String.Format("Greenshot{0:00}.{1:00}", v.Major, v.Minor));
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writer.Write(marker);
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tmpStream.WriteTo(stream);
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}
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}
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}
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}
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finally
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{
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if (memoryStream != null)
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{
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memoryStream.Dispose();
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}
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}
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}
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/// <summary>
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/// Write the passed Image to a tmp-file and call an external process, than read the file back and write it to the targetStream
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/// </summary>
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/// <param name="imageToProcess">Image to pass to the external process</param>
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/// <param name="targetStream">stream to write the processed image to</param>
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/// <returns></returns>
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private static bool ProcessPNGImageExternally(Image imageToProcess, Stream targetStream)
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{
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if (string.IsNullOrEmpty(conf.OptimizePNGCommand))
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{
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return false;
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}
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if (!File.Exists(conf.OptimizePNGCommand))
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{
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LOG.WarnFormat("Can't find 'OptimizePNGCommand' {0}", conf.OptimizePNGCommand);
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return false;
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}
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string tmpFileName = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName() + ".png");
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try
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{
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using (FileStream tmpStream = File.Create(tmpFileName))
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{
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LOG.DebugFormat("Writing png to tmp file: {0}", tmpFileName);
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imageToProcess.Save(tmpStream, ImageFormat.Png);
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if (LOG.IsDebugEnabled)
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{
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LOG.DebugFormat("File size before processing {0}", new FileInfo(tmpFileName).Length);
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}
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}
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if (LOG.IsDebugEnabled)
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{
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LOG.DebugFormat("Starting : {0}", conf.OptimizePNGCommand);
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}
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ProcessStartInfo processStartInfo = new ProcessStartInfo(conf.OptimizePNGCommand);
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processStartInfo.Arguments = string.Format(conf.OptimizePNGCommandArguments, tmpFileName);
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processStartInfo.CreateNoWindow = true;
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processStartInfo.RedirectStandardOutput = true;
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processStartInfo.RedirectStandardError = true;
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processStartInfo.UseShellExecute = false;
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using (Process process = Process.Start(processStartInfo))
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{
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if (process != null)
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{
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process.WaitForExit();
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if (process.ExitCode == 0)
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{
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if (LOG.IsDebugEnabled)
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{
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LOG.DebugFormat("File size after processing {0}", new FileInfo(tmpFileName).Length);
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LOG.DebugFormat("Reading back tmp file: {0}", tmpFileName);
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}
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byte[] processedImage = File.ReadAllBytes(tmpFileName);
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targetStream.Write(processedImage, 0, processedImage.Length);
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return true;
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}
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LOG.ErrorFormat("Error while processing PNG image: {0}", process.ExitCode);
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LOG.ErrorFormat("Output: {0}", process.StandardOutput.ReadToEnd());
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LOG.ErrorFormat("Error: {0}", process.StandardError.ReadToEnd());
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}
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}
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}
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catch (Exception e)
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{
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LOG.Error("Error while processing PNG image: ", e);
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}
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finally
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{
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if (File.Exists(tmpFileName))
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{
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LOG.DebugFormat("Cleaning up tmp file: {0}", tmpFileName);
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File.Delete(tmpFileName);
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}
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}
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return false;
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}
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/// <summary>
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/// Create an image from a surface with the settings from the output settings applied
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/// </summary>
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/// <param name="surface"></param>
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/// <param name="outputSettings"></param>
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/// <param name="imageToSave"></param>
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/// <returns>true if the image must be disposed</returns>
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public static bool CreateImageFromSurface(ISurface surface, SurfaceOutputSettings outputSettings, out Image imageToSave)
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{
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bool disposeImage = false;
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if (outputSettings.Format == OutputFormat.greenshot || outputSettings.SaveBackgroundOnly)
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{
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// We save the image of the surface, this should not be disposed
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imageToSave = surface.Image;
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}
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else
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{
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// We create the export image of the surface to save
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imageToSave = surface.GetImageForExport();
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disposeImage = true;
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}
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// The following block of modifications should be skipped when saving the greenshot format, no effects or otherwise!
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if (outputSettings.Format == OutputFormat.greenshot)
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{
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return disposeImage;
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}
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Image tmpImage;
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if (outputSettings.Effects != null && outputSettings.Effects.Count > 0)
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{
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// apply effects, if there are any
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using (Matrix matrix = new Matrix())
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{
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tmpImage = ImageHelper.ApplyEffects(imageToSave, outputSettings.Effects, matrix);
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}
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if (tmpImage != null)
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{
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if (disposeImage)
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{
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imageToSave.Dispose();
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}
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imageToSave = tmpImage;
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disposeImage = true;
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}
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}
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// check for color reduction, forced or automatically, only when the DisableReduceColors is false
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if (outputSettings.DisableReduceColors || (!conf.OutputFileAutoReduceColors && !outputSettings.ReduceColors))
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{
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return disposeImage;
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}
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bool isAlpha = Image.IsAlphaPixelFormat(imageToSave.PixelFormat);
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if (outputSettings.ReduceColors || (!isAlpha && conf.OutputFileAutoReduceColors))
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{
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using (var quantizer = new WuQuantizer((Bitmap)imageToSave))
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{
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int colorCount = quantizer.GetColorCount();
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LOG.InfoFormat("Image with format {0} has {1} colors", imageToSave.PixelFormat, colorCount);
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if (!outputSettings.ReduceColors && colorCount >= 256)
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{
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return disposeImage;
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}
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try
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{
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LOG.Info("Reducing colors on bitmap to 256.");
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tmpImage = quantizer.GetQuantizedImage(conf.OutputFileReduceColorsTo);
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if (disposeImage)
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{
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imageToSave.Dispose();
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}
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imageToSave = tmpImage;
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// Make sure the "new" image is disposed
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disposeImage = true;
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}
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catch (Exception e)
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{
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LOG.Warn("Error occurred while Quantizing the image, ignoring and using original. Error: ", e);
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}
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}
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}
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else if (isAlpha && !outputSettings.ReduceColors)
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{
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LOG.Info("Skipping 'optional' color reduction as the image has alpha");
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}
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return disposeImage;
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}
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/// <summary>
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/// Add the greenshot property!
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/// </summary>
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/// <param name="imageToSave"></param>
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private static void AddTag(Image imageToSave)
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{
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// Create meta-data
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PropertyItem softwareUsedPropertyItem = CreatePropertyItem(PROPERTY_TAG_SOFTWARE_USED, "Greenshot");
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if (softwareUsedPropertyItem != null)
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{
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try
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{
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imageToSave.SetPropertyItem(softwareUsedPropertyItem);
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}
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catch (Exception)
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{
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LOG.WarnFormat("Couldn't set property {0}", softwareUsedPropertyItem.Id);
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}
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}
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}
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/// <summary>
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/// Load a Greenshot surface
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/// </summary>
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/// <param name="fullPath"></param>
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/// <param name="returnSurface"></param>
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/// <returns></returns>
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public static ISurface LoadGreenshotSurface(string fullPath, ISurface returnSurface)
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{
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if (string.IsNullOrEmpty(fullPath))
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{
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return null;
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}
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Image fileImage;
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LOG.InfoFormat("Loading image from file {0}", fullPath);
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// Fixed lock problem Bug #3431881
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using (Stream surfaceFileStream = File.OpenRead(fullPath))
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{
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// And fixed problem that the bitmap stream is disposed... by Cloning the image
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// This also ensures the bitmap is correctly created
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// We create a copy of the bitmap, so everything else can be disposed
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surfaceFileStream.Position = 0;
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using (Image tmpImage = Image.FromStream(surfaceFileStream, true, true))
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{
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LOG.DebugFormat("Loaded {0} with Size {1}x{2} and PixelFormat {3}", fullPath, tmpImage.Width, tmpImage.Height, tmpImage.PixelFormat);
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fileImage = ImageHelper.Clone(tmpImage);
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}
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// Start at -14 read "GreenshotXX.YY" (XX=Major, YY=Minor)
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const int markerSize = 14;
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surfaceFileStream.Seek(-markerSize, SeekOrigin.End);
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string greenshotMarker;
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using (StreamReader streamReader = new StreamReader(surfaceFileStream))
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{
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greenshotMarker = streamReader.ReadToEnd();
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if (!greenshotMarker.StartsWith("Greenshot"))
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{
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throw new ArgumentException(string.Format("{0} is not a Greenshot file!", fullPath));
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}
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LOG.InfoFormat("Greenshot file format: {0}", greenshotMarker);
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const int filesizeLocation = 8 + markerSize;
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surfaceFileStream.Seek(-filesizeLocation, SeekOrigin.End);
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using (BinaryReader reader = new BinaryReader(surfaceFileStream))
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{
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long bytesWritten = reader.ReadInt64();
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surfaceFileStream.Seek(-(bytesWritten + filesizeLocation), SeekOrigin.End);
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returnSurface.LoadElementsFromStream(surfaceFileStream);
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}
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}
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}
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if (fileImage != null)
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{
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returnSurface.Image = fileImage;
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LOG.InfoFormat("Information about file {0}: {1}x{2}-{3} Resolution {4}x{5}", fullPath, fileImage.Width, fileImage.Height, fileImage.PixelFormat, fileImage.HorizontalResolution, fileImage.VerticalResolution);
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}
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return returnSurface;
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}
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/// <summary>
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/// Saves image to specific path with specified quality
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/// </summary>
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public static void Save(ISurface surface, string fullPath, bool allowOverwrite, SurfaceOutputSettings outputSettings, bool copyPathToClipboard)
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{
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fullPath = FilenameHelper.MakeFQFilenameSafe(fullPath);
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string path = Path.GetDirectoryName(fullPath);
|
|
|
|
// check whether path exists - if not create it
|
|
if (path != null)
|
|
{
|
|
DirectoryInfo di = new DirectoryInfo(path);
|
|
if (!di.Exists)
|
|
{
|
|
Directory.CreateDirectory(di.FullName);
|
|
}
|
|
}
|
|
|
|
if (!allowOverwrite && File.Exists(fullPath))
|
|
{
|
|
ArgumentException throwingException = new ArgumentException("File '" + fullPath + "' already exists.");
|
|
throwingException.Data.Add("fullPath", fullPath);
|
|
throw throwingException;
|
|
}
|
|
LOG.DebugFormat("Saving surface to {0}", fullPath);
|
|
// Create the stream and call SaveToStream
|
|
using (FileStream stream = new FileStream(fullPath, FileMode.Create, FileAccess.Write))
|
|
{
|
|
SaveToStream(surface, stream, outputSettings);
|
|
}
|
|
|
|
if (copyPathToClipboard)
|
|
{
|
|
ClipboardHelper.SetClipboardData(fullPath);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get the OutputFormat for a filename
|
|
/// </summary>
|
|
/// <param name="fullPath">filename (can be a complete path)</param>
|
|
/// <returns>OutputFormat</returns>
|
|
public static OutputFormat FormatForFilename(string fullPath)
|
|
{
|
|
// Fix for bug 2912959
|
|
string extension = fullPath.Substring(fullPath.LastIndexOf(".") + 1);
|
|
OutputFormat format = OutputFormat.png;
|
|
try
|
|
{
|
|
format = (OutputFormat)Enum.Parse(typeof(OutputFormat), extension.ToLower());
|
|
}
|
|
catch (ArgumentException ae)
|
|
{
|
|
LOG.Warn("Couldn't parse extension: " + extension, ae);
|
|
}
|
|
return format;
|
|
}
|
|
|
|
#endregion save
|
|
|
|
#region save-as
|
|
|
|
/// <summary>
|
|
/// Save with showing a dialog
|
|
/// </summary>
|
|
/// <param name="surface"></param>
|
|
/// <param name="captureDetails"></param>
|
|
/// <returns>Path to filename</returns>
|
|
public static string SaveWithDialog(ISurface surface, ICaptureDetails captureDetails)
|
|
{
|
|
string returnValue = null;
|
|
using (SaveImageFileDialog saveImageFileDialog = new SaveImageFileDialog(captureDetails))
|
|
{
|
|
DialogResult dialogResult = saveImageFileDialog.ShowDialog();
|
|
if (dialogResult.Equals(DialogResult.OK))
|
|
{
|
|
try
|
|
{
|
|
string fileNameWithExtension = saveImageFileDialog.FileNameWithExtension;
|
|
SurfaceOutputSettings outputSettings = new SurfaceOutputSettings(FormatForFilename(fileNameWithExtension));
|
|
if (conf.OutputFilePromptQuality)
|
|
{
|
|
QualityDialog qualityDialog = new QualityDialog(outputSettings);
|
|
qualityDialog.ShowDialog();
|
|
}
|
|
// For now we always overwrite, should be changed
|
|
Save(surface, fileNameWithExtension, true, outputSettings, conf.OutputFileCopyPathToClipboard);
|
|
returnValue = fileNameWithExtension;
|
|
IniConfig.Save();
|
|
}
|
|
catch (ExternalException)
|
|
{
|
|
MessageBox.Show(string.Format("Cannot save file to {0}.\r\nPlease check write accessibility of the selected storage location.",
|
|
saveImageFileDialog.FileName).Replace(@"\\", @"\"), "Error");
|
|
}
|
|
}
|
|
}
|
|
return returnValue;
|
|
}
|
|
|
|
#endregion save-as
|
|
|
|
/// <summary>
|
|
/// Create a tmpfile which has the name like in the configured pattern.
|
|
/// Used e.g. by the email export
|
|
/// </summary>
|
|
/// <param name="surface"></param>
|
|
/// <param name="captureDetails"></param>
|
|
/// <param name="outputSettings"></param>
|
|
/// <returns>Path to image file</returns>
|
|
public static string SaveNamedTmpFile(ISurface surface, ICaptureDetails captureDetails, SurfaceOutputSettings outputSettings)
|
|
{
|
|
string pattern = conf.OutputFileFilenamePattern;
|
|
if (pattern == null || string.IsNullOrEmpty(pattern.Trim()))
|
|
{
|
|
pattern = "greenshot ${capturetime}";
|
|
}
|
|
string filename = FilenameHelper.GetFilenameFromPattern(pattern, outputSettings.Format, captureDetails);
|
|
// Prevent problems with "other characters", which causes a problem in e.g. Outlook 2007 or break our HTML
|
|
filename = Regex.Replace(filename, @"[^\d\w\.]", "_");
|
|
// Remove multiple "_"
|
|
filename = Regex.Replace(filename, @"_+", "_");
|
|
string tmpFile = Path.Combine(Path.GetTempPath(), filename);
|
|
|
|
LOG.Debug("Creating TMP File: " + tmpFile);
|
|
|
|
// Catching any exception to prevent that the user can't write in the directory.
|
|
// This is done for e.g. bugs #2974608, #2963943, #2816163, #2795317, #2789218
|
|
try
|
|
{
|
|
Save(surface, tmpFile, true, outputSettings, false);
|
|
tmpFileCache.Add(tmpFile, tmpFile);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
// Show the problem
|
|
MessageBox.Show(e.Message, "Error");
|
|
// when save failed we present a SaveWithDialog
|
|
tmpFile = SaveWithDialog(surface, captureDetails);
|
|
}
|
|
return tmpFile;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Remove a tmpfile which was created by SaveNamedTmpFile
|
|
/// Used e.g. by the email export
|
|
/// </summary>
|
|
/// <param name="tmpfile"></param>
|
|
/// <returns>true if it worked</returns>
|
|
public static bool DeleteNamedTmpFile(string tmpfile)
|
|
{
|
|
LOG.Debug("Deleting TMP File: " + tmpfile);
|
|
try
|
|
{
|
|
if (File.Exists(tmpfile))
|
|
{
|
|
File.Delete(tmpfile);
|
|
tmpFileCache.Remove(tmpfile);
|
|
}
|
|
return true;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
LOG.Warn("Error deleting tmp file: ", ex);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Helper method to create a temp image file
|
|
/// </summary>
|
|
/// <param name="surface"></param>
|
|
/// <param name="outputSettings"></param>
|
|
/// <param name="destinationPath"></param>
|
|
/// <returns></returns>
|
|
public static string SaveToTmpFile(ISurface surface, SurfaceOutputSettings outputSettings, string destinationPath)
|
|
{
|
|
string tmpFile = Path.GetRandomFileName() + "." + outputSettings.Format.ToString();
|
|
// Prevent problems with "other characters", which could cause problems
|
|
tmpFile = Regex.Replace(tmpFile, @"[^\d\w\.]", "");
|
|
if (destinationPath == null)
|
|
{
|
|
destinationPath = Path.GetTempPath();
|
|
}
|
|
string tmpPath = Path.Combine(destinationPath, tmpFile);
|
|
LOG.Debug("Creating TMP File : " + tmpPath);
|
|
|
|
try
|
|
{
|
|
Save(surface, tmpPath, true, outputSettings, false);
|
|
tmpFileCache.Add(tmpPath, tmpPath);
|
|
}
|
|
catch (Exception)
|
|
{
|
|
return null;
|
|
}
|
|
return tmpPath;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Cleanup all created tmpfiles
|
|
/// </summary>
|
|
public static void RemoveTmpFiles()
|
|
{
|
|
foreach (string tmpFile in tmpFileCache.Elements)
|
|
{
|
|
if (File.Exists(tmpFile))
|
|
{
|
|
LOG.DebugFormat("Removing old temp file {0}", tmpFile);
|
|
File.Delete(tmpFile);
|
|
}
|
|
tmpFileCache.Remove(tmpFile);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Cleanup handler for expired tempfiles
|
|
/// </summary>
|
|
/// <param name="filekey"></param>
|
|
/// <param name="filename"></param>
|
|
private static void RemoveExpiredTmpFile(string filekey, object filename)
|
|
{
|
|
string path = filename as string;
|
|
if (path != null && File.Exists(path))
|
|
{
|
|
LOG.DebugFormat("Removing expired file {0}", path);
|
|
File.Delete(path);
|
|
}
|
|
}
|
|
}
|
|
} |