I am working with a Bitmap object that I add annotations or copyright material to the image and then return the modified bitmap. My problem is that the Bitmap won't hold the changes made to it as it moves along the chain. I am treating it as a reference type and would assume that as it gets passed to each class it would carry the changes...
In a Silverlight app, I save a Bitmap like this: public static void SaveBitmapImageToIsolatedStorageFile(OpenReadCompletedEventArgs e, string fileName) { using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication()) { using (IsolatedStorageFileStream isfs = new IsolatedStorageFileStream(fileName, Fil...
I have an Image, which I need to scale based on the image's pixel values. When I create the bitmapImage, the pixels (height and width) are both 0. Is there a way to get height and width before the image is drawn to the canvas? ...
Hello, I have a View that contains an image control. <Image x:Name="img" Height="100" Margin="5" Source="{Binding Path=ImageFullPath Converter={StaticResource ImagePathConverter}}"/> The binding uses a converter does nothing interesting except set BitmapCacheOption to "OnLoad", so...
I'm having difficulty loading an image from a URL, when the request goes through a proxy. I have a url that will generate an image which I use to load a BitmapImage ( code below ). This works great for any of my users that connect directly to the internet, however, if the user is behind a proxy, it will not work. Any ideas would be gr...
The following code worked nicely until our admins enabled KERBEROS on our servers: var image = new BitmapImage(new Uri("http://sharepoint/sites/Symbols/Symbols/ABCD.png")); The server is in the local intranet zone and requires windows authentication. After our admins also enabled KERBEROS in this domain, http downloads and webservice ...
I'm loading an image in WPF by using the BitmapImage class. My code works perfectly when I give an absolute path for the UriSource but not when I try and use a relative path. My XAML is: <Image Width="50" Name="MemberImage" HorizontalAlignment="Left"> <Image.Source> <BitmapImage DecodePixelWidth="50" UriSource="questionmar...
I have small function which will recolor pixels in a Bitmap from a given color to a new given color. The problems I have with the code are as follows: 1) The function gives results which are remapping white pixels which should not be concidered since I have a threshold... (unless I have defined this calculation wrong) 2) When certain ...
Hello, For the purpose of a game, I need to serialize some pictures in a binary file through a WPF application, using bitmapEncoder and its child classes. But these class are not available in silverlight, so I can't load them into the browser from the same binary file. Does someone know how to convert a byte[] to BitmapImage in silver...
Hi, I'm using Silverlight 4 and I'm experiencing the following problem: First off, the code: BitmapImage bitmapImage = new BitmapImage(); bitmapImage.CreateOptions = BitmapCreateOptions.IgnoreImageCache; bitmapImage.DownloadProgress += new EventHandler<DownloadProgressEventArgs>(bitmapImage_DownloadProgress); bit...
am using c# am having a bitmap image like below i want create a repeated image like below in horizontal position to get repeted continous image for some given width. i meant i like to draw repeated image like below from the above single bitmap (In simple words,in html we can have a image and set repeat X to get the repeated image.li...
I would like to clear a bitmap image. I've tried both uploadImage.Source = null; and uploadImage.Source = ""; This is the code I used to make the image: // BitmapImage.UriSource must be in a BeginInit/EndInit block BitmapImage myBitmapImage = new BitmapImage(); string curItem = destinationFolder + "\\" + listBox1.SelectedItem.ToS...
Hi, I am trying to do a simple thing but I can't ... I just want to get a BitmapImage from a internet URL, but my function doesn't seem to work properly, it only return me a small part of the image. I know WebResponse are working async and that's certainly why I have this problem, but how can I do it synchronously ? Here is my functi...
Hi all, This is the sequence part of this question: http://stackoverflow.com/questions/3674441/combining-2-images-overlayed so the problem is: if the image size is too big - it'll got an exception (out of memory exception) what i want is, to handle even if the handset got the lower spec hardware, it doesn't go to that exception (but it...
I have strange bug with showing image in silverlight. The problem to show list of images that configured in xml file and this xml downloaded from server by WebClient type. WebClient client = new WebClient(); client.AllowReadStreamBuffering = true; client.OpenReadAsync(new Uri(path, UriKind.Relative), new GalleryU...
Hi, I'm loading user images using Silverlight 3. Everything works fine and I can set the file stream to a BitmapImage and it gets rendered OK. The problem is that if I try to load something that's not an image (like a .exe that's been renamed to .png) Silverlight crashes with a System.Exception that says "Catastrophic failure". The M...
I am trying to extract the palette from a 5-6-5 (16bit) bitmap image that I have produced using ImageConverter Plus from an original Photoshop file. I need to read out the palette and compare it to the palette I have elsewhere for another image. Is there a piece of freeware (or not) software that can do this? I can read palette files i...
I have a BitmapImage object that contains an image of 600 X 400 dimensions. Now from my C# code behind, I need to create two new BitmapImage objects, say objA and objB of dimensions 600 X 200 each such that objA contains the upper half cropped image and objB contains the lower half cropped image of the original image. ...
Hello I work on a WPF application that has multiple canvases and lots of buttons. The user cand load images to change the button background. This is the code where I load the image in the BitmapImage object bmp = new BitmapImage(); bmp.BeginInit(); bmp.CreateOptions = BitmapCreateOptions.IgnoreImageCache; bmp.CacheOption = BitmapCache...
I'm saving a BitmapImage to a byte[] for saving in a DB. I'm pretty sure the data is being saved and retrieved accurately so it's not an issue there. On my byte[] to BitmapImage conversion I keep getting an exception of "System.NotSupportedException: No imaging component suitable to complete this operation was found." Can anyone see w...