| Thread | Last Post | Replies |
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| Reading a portion of an image | 16 Apr 2005 13:49 GMT | 3 |
Is there a way to just read and write just a portion of an image. I have some large images that I want to manipulate but I dont want to load the whole image, is there a way to just extract the pixels that I want when given an x/y coordinate.
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| System.Drawing.Graphics | 15 Apr 2005 23:41 GMT | 1 |
This is a very basic question. I am using .Net IDE 2003 and System.Drawing.dll (1.1.4322). I wrote a simple program like this (ommitting the commons) using System.Drawing;
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| Managed memory corruption | 15 Apr 2005 20:54 GMT | 1 |
Has anybody encountered memory corruption issues of the built-in bitmap classes? My application occasionally crashes in very bizarre manners - references in managed objects are corrupted. Sometimes .net is able to recover into the debugger, sometimes the OS catches it. ...
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| GraphicPath.Contains(PointF) | 15 Apr 2005 15:31 GMT | 2 |
I can't seem to find any methods to check whether a point is contained within a GraphicPath. You can get the bounds, but that's not good enough. Is there a method? Or any piece of sample code? Thanks,
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| Hight Resolution Picture Scaling down | 14 Apr 2005 09:44 GMT | 1 |
I have a very high resolution picture taken with a 4 Mega pixel camera, When i try to make it to a width and height of a business card, It does not scale down approprioately, it has lots of lines and looks as if the picture is not taken properly, ia m doing this using a picture box, ...
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| DrawImage bug? | 14 Apr 2005 08:40 GMT | 4 |
I tried this: g.DrawImage(icon, 0, 0, new Rectangle(0, 0, icon.Width / 2, icon.Height / 2), GraphicsUnit.Pixel);
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| ASP.net thumbnails | 13 Apr 2005 12:01 GMT | 1 |
Hello friends, i have a images folder in which my uploaded images are stored i want to create thumnails of these images dynamically and show these thumbnail for example i have a folder named (cards) and in this folder for example this folder contain 10 images now i want to create ...
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| Converting an image from CMYK to RGB | 13 Apr 2005 11:58 GMT | 6 |
I'm new to imaging and need to write a routine to convert images (using .NET 1.1). I've got it to resize the image, change its resolution and save it in a different format but I haven't been able to figure out how to change it from
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| Drawing a border over a image | 12 Apr 2005 19:59 GMT | 1 |
How can i take a image and draw a black border around it lets say of 2 pixels and place the whole thing on another image. Any help would be appreciated Jayleen
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| Hi I want to know how to draw a design surface for drawing my obje | 11 Apr 2005 23:08 GMT | 1 |
i read this articl http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dndotnet/html/d esignsurface.asp I wanted to add a design surface like this in my application also. i successfully did but am unable to manuipulate it properly. Like showing
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| showing ASP.NET thumbnails | 11 Apr 2005 11:35 GMT | 1 |
Hello friends, i have a directory in which my uploaded images are stored i want to create thumnails of these images dynamically and show these thumbnail how can i do this pls tell me about that. Thanks
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| Recommendations for improving bitmap display speed | 11 Apr 2005 09:54 GMT | 2 |
I'm working on an emulator at the moment, and I need to update the display 50 times a second. I'm using a 16-colour indexed bitmap, and generating it is no problem (I'm using LockBits/UnlockBits and writing the data directly using a lookup table). However, when it comes to ...
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| FrameRgn | 11 Apr 2005 09:09 GMT | 3 |
What should i do if I want to draw a border around my Region. We used to have FrameRgn API in GDI. We have FillRegion but can that be used to draw border ?I don't think so. please give some info on the same.
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| ArgumentException @ Image.FromStream(stream) | 11 Apr 2005 09:05 GMT | 2 |
I get an "ArgumentException: Invalid parameter used at System.Drawing.Image.FromStream(Stream stream, Boolean useEmbeddedColorManagement)" exception. it is too ridicilious to get such an exception, can anyone see what might cause that exception?
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| Prevent mouse events from going through transparent form | 11 Apr 2005 03:58 GMT | 1 |
I have a form which has transparent areas using transparencyKey. The problem is, that the mouse event goes through as well, so I can't do for example a dragdrop on this transparent region or a simple click. Q: How could I keep the mouse event in my app?
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