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Questions tagged [bitmapsource]

Bitmapsource represents a single, constant set of pixels at a certain size and resolution.

What questions should have this tag:
.Net Framework questions utilizing the BitmapSource class under the System.Windows.Media.Imaging namespace.

Basic Definitions:
Maximum height and width of an image: 2^16 pixels at 32 bits per channel * 4 channels
Maximum size of a BitmapSource: 2^32 bytes (64 gigabytes)
Maximum image size: 4 (four) gigapixels
Minimum image size: 1x1

Brief Introduction:
Part of the Windows Presentation Foundation (WPF) imaging pipeline, BitmapSource represents a single, constant set of pixels at a certain size and resolution. Multi-frame images and animations are not represented by BitmapSource.

Important Links:
http://msdn.microsoft.com/en-us/library/system.windows.media.imaging.bitmapsource.aspx

136 questions
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Async databinding of image, causes cross thread exception

I have a problem, with my WPF application. I'm trying to databind an image field, in my gridview, with the image property from my viewmodel. …
Nicolai
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BitmapSource MemoryStream leak with large images

I'm working with image files over 1 GB, creating a Bitmap from a large BitmapSource and attempting to dispose of the original BitmapSource. The BitmapSource stays in memory. Normally this is an inconvenience as it is eventually collected, but with…
BCCode
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Kinect and EMGU (OpenCV) - BitmapSource issue

Alright, so basically I am trying to use openCV with the Kinect (Microsoft's new Kinect 1.0 SDK). I am very new to both C# and Kinect. But what I want to do is use the kinect for facial recognition using EMGU (openCV wrapper for C#). So far I…
user1214768
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Unable to retrieve TIFF pages from TiffBitmapDecoder.Frames -- all frames are page 1

I'm trying to convert a multipage tiff image into a multipage XPS document. The problem I'm having is with the TiffBitmapDecoder and its BitmapFrames. Here's the code: private static void ToXpsDocument(string imageName, string xpsName) { using…
user1228
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votes
1 answer

WPF - Convert file to Byte[] to BitmapSource using JpegBitmapDecoder

I need to read a jpg file and latyer display it in an Image controll. The following works perfectly: imgTwo.Source = FetchImage(@"C:\Image075.jpg"); public BitmapSource FetchImage(string URLlink) { JpegBitmapDecoder decoder = null; …
Keren
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1 answer

Get System.Drawing.Bitmap of a WPF Area using VisualBrush

The point is, that I need to convert to a System.Drawing.Bitmap (.Net Framework 2.0) to get a single frame of an WPF Grid with its content. I read about VisualBrush and DrawingBrush but I cannot imagine how it should work. I can convert any WPF…
Nasenbaer
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using BitmapSource as Image source in WPF

I'm trying to update an Image (_browserScreenshot below) object in XAML by changing the source image every time an event determines the source needs updating. Right now I have this: public BitmapSource GetScreen() { Bitmap bitmap = new…
Beaker
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BitmapSource.CopyPixel: how to copy only area of interest?

I have a System.Windows.Media.Imaging.BitmapSource, and a small Int32Rect. I want to copy only the bytes of the bitmap that are in the rectangle to a buffer. Addition: I want to use this buffer to do calculations with the pixel values, in this case:…
Harald Coppoolse
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1 answer

PngBitmapDecoder stream question

Don't know a whole lot about streams. Why does the first version work using a file but the second does not? Putting a breakpoint on "return dest;" it looks like both have created exactly the same thing but dest is always a blank image using the…
strattonn
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1 answer

WPF Rotate and return BitmapSource by any angle

Hei, I tried this: public static BitmapSource RotateImage(Image b, float angle) { BitmapSource rotita = (BitmapSource)b.Source; DrawingVisual drawingVisual = new DrawingVisual(); using (DrawingContext drawingContext =…
Alex
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BitmapSource rendering glitch due to large width, probable overflow

I've got a bitmap that's 827852 pixels wide by 1 pixel high in a Bitmap object. When converting the bitmap to a BitmapSource for rendering in WPF, the following artifacts appear in the UI: The black portion in the middle is not in the original…
Nattfrosten
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Using resources images in WPF

From what I've seen, WPF images' source is a BitmapSource object while the Resources images are read as bitmap. I've easily found a way to convert images from Bitmap format into BitmapSource format but I believe that running this conversion every…
sagibb
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2 answers

Blue and red channels swapped during conversion from bitmap to bitmapsource

I need to copy a bitmap that I receive from a camera into a BitmapSource in order to show it in a WPF application. Image arrives in PixelFormat.Format24bppRgb with a negative stride. I got this working by following code //NOTE: image is in…
Rok
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How to share pixel data between Bitmap and Bitmapsource without a reallocation?

Is it possible to create a System.Windows.Media.Imaging.Bitmapsource from a System.Drawing.Bitmap without a reallocation? Unfortunately all methods described in other post included a copy of the pixel data which is not always needed and very…
smedasn
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Copy BitmapSource into clipboard

I'm trying to do a client-server program in which it is possible to share the content of the clipboard. I got a problem when the clipboard contains an Image. I'm able to encode the BitmapSource to a Byte Array, send it and then decode and inject it…
user3646092
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