Image.fromfile Out Of Memory Error
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System.outofmemoryexception Out Of Memory C#
share|improve this question edited Oct 3 '10 at 1:11 bernie 73.9k9124138 asked Oct 3 '10 at 1:05 xscape 1,42283574 Perhaps the image is too large? What did you try to load? –schnaader Oct 3 '10 at 1:11 an image, its only 156KB –xscape Oct 3 '10 at 1:12 Are you opening any other images? What format of image? –JoshD Oct 3 '10 at 1:14 In what line do you get the exception? –Jordao Oct 3 '10 at tiffbitmapdecoder 1:18 2 try Image.FromFile –Jordao Oct 3 '10 at 1:22 | show 2 more comments 6 Answers 6 active oldest votes up vote 24 down vote accepted In the Image.FromFile documentation, an OutOfMemoryException can be throw if: The file does not have a valid image format. -or- GDI+ does not support the pixel format of the file. Check your image format. Also, if you want to close the stream right after loading the image, you must make a copy of the image. Take a look here. GDI+ must keep the stream open for the lifetime of the image. share|improve this answer edited Oct 3 '10 at 1:55 answered Oct 3 '10 at 1:24 Jordao 38.2k673105 its a .png file format –xscape Oct 3 '10 at 1:26 1 Then, it's the pixel format. –Jordao Oct 3 '10 at 1:30 Try to open the image in another application, and save it with a different pixel format. –Jordao Oct 3 '10 at 1:57 but check the answers at the bottom of this thread - apparently the above exception is also thrown when the handle to the image file is open and kept by some other process (e.g. System) - especially when the exception is thrown "out of the blue" in a code that used to work –hello_earth Oct 30 '14 at 15:34 @hello_earth: thanks for the info –Jordao Oct 30 '14 at 16:30 add a comment| up vote 6 down vote First mistake: if (File.Exists()) The f
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Image.fromfile C#
Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Out of memory exception while loading images up vote http://stackoverflow.com/questions/3848132/out-of-memory-image-fromfile 3 down vote favorite 1 I am using the following piece of code to load images as thumbnails to a FlowLayoutPanel control. Unfortunately i get an OutOfMemory exception. As you already guess the memory leak is found at line Pedit.Image = System.Drawing.Image.FromStream(fs) So how could i optimize the following code? Private Sub LoadImagesCommon(ByVal FlowPanel As FlowLayoutPanel, ByVal fi As FileInfo) Pedit = New DevExpress.XtraEditors.PictureEdit Pedit.Width = txtIconsWidth.EditValue http://stackoverflow.com/questions/4853615/out-of-memory-exception-while-loading-images Pedit.Height = Pedit.Width / (4 / 3) Dim fs As System.IO.FileStream fs = New System.IO.FileStream(fi.FullName, IO.FileMode.Open, IO.FileAccess.Read) Pedit.Image = System.Drawing.Image.FromStream(fs) fs.Close() fs.Dispose() Pedit.Properties.SizeMode = DevExpress.XtraEditors.Controls.PictureSizeMode.Zoom If FlowPanel Is flowR Then AddHandler Pedit.MouseClick, AddressOf Pedit_MouseClick AddHandler Pedit.MouseEnter, AddressOf Pedit_MouseEnter AddHandler Pedit.MouseLeave, AddressOf Pedit_MouseLeave End If FlowPanel.Controls.Add(Pedit) End Sub Update: The problem occurs while loading a number of images (3264x2448px at 300dpi - each image is about 3Mb's) vb.net image image-processing memory-leaks memory-management share|improve this question edited Jan 31 '11 at 17:12 asked Jan 31 '11 at 16:52 OrElse 2,1092186183 Have you tried isolating the problem by removing all superfluous code and attempting only to load the image? Have you tried assigning the loaded image (if it gets that far) into a 'normal' image display control? –Grant Thomas Jan 31 '11 at 16:58 1 Do you run out of memory when loading just one image, or after many images? Is it just one particular image that gives you trouble, or does it fail when you try to load any image? Are the images exceptionally large? Please, more detail or the best we can do is guess. –Jim Mischel Jan 31 '11 at 17:05 @Jim. Hello, could you pl
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call, the biggest being that GDI+ will keep the file open long after you are done with it. Here is an image loader that gets around this issue. If you are running a high volume web site, and your images are on a SAN you’ll find this technique necessary to prevent an eventual exhaustion of filehandles. [csharp] using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Drawing; using System.IO; using System.Data; namespace Utility { public static class ImageLoader { // This isn’t going to help much – you’ll run out of memory anyway on very large images – but if you are keeping several in memory it might … public const int MaximumImageDimension = 10000; /// /// Method to safely load an image from a file without leaving the file open, /// also gets the size down to a manageable size in the case of HUGE images /// /// An Image – don’t forget to dispose of it later public static Image LoadImage (string filePath) { try { FileInfo fi = new FileInfo(filePath); if (!fi.Exists) throw new FileNotFoundException(“Cannot find image”); if (fi.Length == 0) throw new FileNotFoundException(“Zero length image file “); // Image.FromFile is known to leave files open, so we use a stream instead to read it using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read)) { if (!fs.CanRead) throw new FileLoadException (“Cannot read file stream”); if (fs.Length == 0) throw new FileLoadException(“File stream zero length”); using (Image original = Image.FromStream(fs)) { // Make a copy of the file in memory, then release the one GDI+ gave us // thus ensuring that all file handles are closed properly (which GDI+ doesn’t do for us in a timely fashion) int width = original.Width; int height = original.Height; if (width == 0) throw new DataException(“Bad image dimension width=0″); if (height == 0) throw new DataException(“Bad image dimension height=0″); // Now shrink it to Max size to control memory consumption if (width > MaximumImageDimension)