Questions tagged [bitmapimage]

A bitmap(BMP) is a raster graphics image file. It is also referred to as a Device Independent Bitmap (DIB).

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Proper way to dispose a BitmapSource

How are you supposed to dispose of a BitmapSource ? // this wont work because BitmapSource doesnt implement IDisposable using(BitmapSource bitmap = new BitmapImage(new Uri("myimage.png"))) { }
Andrew Keith
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Reloading an image in wpf

I'm trying to reload an image (System.Windows.Controls.Image) I display in WPF. I set the source like this: ScreenAtco01Image.Source = new BitmapImage(new Uri(@"Y:/screenshots/naratco08-0-0-screenshot.png", UriKind.RelativeOrAbsolute)); I made a…
Bastiaan
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C# how to get a bitmap from a picturebox

I have a image in picturebox. I want to get that image as a Bitmap. My one line code is: Bitmap default_image = (Bitmap)pictureBox5.Image.Clone(); But what i am getting is: default_image value=null; Can anyone help me.
bharathi
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How to identify a panoramic 360 degree image

Is there any method or technique to identify a bitmap (png/jpeg) is actually a 360 degree panoramic image or a normal image. What is the mechanism to distinguish panoramic image from normal image in C# or Three.js.
Razack
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How to save the client area of a child Window to a Bitmap file?

I have created a windows application using core WIN32 and VC++. In my parent window I have a child window and two buttons "save" and "send". When user clicks the "save" button I want the savefileDialog to be opened and user should be able to save…
Amit
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Why does setImageBitmap has no effect on custom ImageButton?

I found this link that states how I could make the glow effect on my ImageButton. So whenever the user press the ImageButton the onTouchEvent() function is called and there I call the setImageBitmap() function. The problem is this function…
pokche
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Convert a BitmapImage to byte array in UWP

How can I convert a BitmapImage object to byte array in UWP ? in .Net it is easy to achieve, even in previous WinRT versions, looked all over the internet but without success, one of the solutions was to use a WriteableBitmap like mentioned in this…
AymenDaoudi
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BitmapImage returns 0 for PixelWidth and PixelHeight

I'm trying to do a super simple thing : get the size of an image. So I create my BitmapImage but I'm getting 0 when I try to access the PixelWidth and PixelHeight. How can I accomplish that please? EDIT: (added sample code) I'm just doing: var…
Antoine Gamond
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WP8: Is there an easy way to scale and blur an BitmapImage for windows phone app?

I am working on a windows Phone app that can read Album arts dynamically from Music files through MediaPlayer APIs. I wish to get album arts and resize for view's background. Since the resize would lose details and make image ugly so I would like to…
thsieh
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Silverlight: BitmapImage from stream throws exception (Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED)))

I need to dynamically load many (sometimes hundreds) of thumbnail images. For performance reasons I need to do this in a limited number of requests, I am using a single request/response for testing. I am sending the binary data for the images in…
toby
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UWP BitmapImage to Stream

I have an image that's loaded in XAML using a converter. Rather than load this image again, I want to take that image and find the dominant colour to be able to use for other graphics on the page. So far I have this: var himage =…
Stu Ayton
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Custom ImageView class not working with Picasso image downloading library

I have recently extended from an ImageView to create a CircularImageView class which makes the image circular with a coloured border. This is done via the onDraw(canvas) method by drawing onto the canvas that is passed in: //load the bitmap …
Richard Lewin
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downloaded png image with transparent background shows with black background

In my android application I downloaded some png image and write them in sd card. when I show them in image view they are showing with black background. the original images have transparent background. How I can keep the background transparent.…
user2298296
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How do I convert a WriteableBitmap object to a BitmapImage Object in WPF

How do I convert a WriteableBitmap object to a BitmapImage Object in WPF? This link covers silverlight, the process is not the same in WPF as the WriteableBitmap object does not have a SaveJpeg method. So my question is How do I convert a…
JMK
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