system.drawing

Currently i'm working on a system that load a very large image, with minimum width x heigh >= 10.000.000 pixel. But the ratio of the user's upload image usually do not match our requirement ratio so i have to crop it to proper ratio, but when using System.Drawing bitmap to crop it, i always got SytemOutOfMemory exception. I have try Bitmap.Clone and Graphic.DrawImage with correct RectangleF but no luck. Is there anyways to do this without getting the outofmemory exception or are there any alternatives to System.Drawing library to get this task done easily ? My code to load the image from user

Is there any alternative image manipulation library for .net? I would prefer something that is managed and open source. I ask this because of two reasons: I have encountered hard to debug GDI+ errors with System.Drawing in the past I have read that using System.Drawing in asp.net web applications is not 100% supported. Thanks! edit: clarification, I know that System.Drawing can work asp.net web apps - I have used it in the past. I really just wonder if there are any managed image manipulation libraries for .net :) I don't know of any fully-managed 2D drawing libraries that are either free or

I'm getting icon from another application using this: Icon IEIcon = Icon.ExtractAssociatedIcon(@"C:\Program Files\Internet Explorer\iexplore.exe"); how to convert it to System.Drawing.Image ? Description The Bitmap is derived from Image so you can use Icon's .ToBitmap() method. Sample Icon IEIcon = Icon.ExtractAssociatedIcon(@"C:\Program Files\Internet Explorer\iexplore.exe"); Image im = IEIcon.ToBitmap(); More Information MSDN - Bitmap Class MSDN - Image Class Could you use the ToBitmap() method. ToBitmap() Original at : Convert Icon to Image in C# Icon a = Icon.ExtractAssociatedIcon(@"C:

I have a custom picturebox control that allows dragging 2 bitmaps separately on the Main image,thus allowing the user to select the location of the 2 bitmaps. For First Bitmap Point src = e.Location; PointF ratio = new PointF((float)src.X / ClientSize.Width, (float)src.Y / ClientSize.Height); LaunchOrigin.textratio = ratio; Point origin = new Point((int)(backupbit1.Width * ratio.X), (int)(backupbit1.Height * ratio.Y)); LaunchOrigin.textorigin = origin; point.X = src.X - origin.X; point.Y = src.Y - origin.Y; For Second Bitmap Point src = e.Location; PointF ratio = new PointF((float)src.X /

Byte[] result = (Byte[])new ImageConverter().ConvertTo(img1, typeof(Byte[])); //I cant use Image Converter add Image Class ? Drawing dll MemoryStream ms = new MemoryStream(); img1.Save(ms, System.Drawing.Imaging.ImageFormat.Gif); return ms.ToArray(); //Cannot see System.Drawing dll and there is no sth like Drawing.Imaging... Is there any other option rather than adding dll from the out source(I mean I ll copy it and then add it as an external dll )? My project is in windows 7 phone application and can not see Drwaing.dll stj like that Thanks First there is no system.drawing in WP7 . You can do

Ok, so I'm on this bug for the last 4 hours and I dont know what to do.. I'm using Visual Studio Community 2017 and I opened Consol App(.net core) project. also I'm working on windows 8.1 OS. I wanted to use Image from the System.Drawing namespace and it keeps giving me that error: "the type or namespace name 'Image' could not be found (are you missing a using directive or an assembly reference?)" I downloaded the System.Drawing.dll from https://www.dllme.com/dll/files/system_drawing_dll.html (to the desktop) and then right click on the right project->add->Reference..->Browse..->System.Drawing

i created rectangle shape user control and i am using this user control in my application.In my application i am processing a image for different operations such as reading barcode from images etc.Here i have two possibility of processing a image, one is processing entire image and another is processing selected part of the image,i am selecting the specific part of the image using rectangle shape(this is user-control).so i have given two option in my GUI for this purpose one is Entire image and another is Rectangle.if i used rectangle first time for selection and next time i selected entire

I want the origin to be at the center of my window. ______________ | ^ | | | | | o----->| | | |____________| .NET wants it to be in the top left hand corner. _____________> | | | | | | | | V____________| Dot net and I are trying to get along.. Does anyone know how to do this in C# just using the Graphics object? Graphics.TranslateTransform doesn't do it since it leaves the coordinates flipped upside down. Combining this Graphics.ScaleTransform(1,-1) isn't satisfactory either since that makes text appear upside down. One solution would be to use the TranslateTransform property. Then, instead of