Cropping Photo from photochooser task

[Mohan Raj]

Hi,

I want to prompt the user to pick the photos from gallery, then crop and save it to the isolated storage.. but it didn't work. shows excpetion as "Specified method is not supported" at

wb.SaveJpeg(fileStream, wb.PixelWidth, wb.PixelHeight, 0, 100);

Any help please.



Thanx

void pt_Completed(object sender, PhotoResult e)
{
    if(e.ChosenPhoto!=null)
    saveImage(e.ChosenPhoto, "customImage");
}

private void saveImage(System.IO.Stream stream, string p)
{
    using (IsolatedStorageFile myIsolatedStorage = IsolatedStorageFile.GetUserStoreForApplication())
    {
        if (myIsolatedStorage.FileExists("/Shared/ShellContent/" + p + ".jpg"))
        {
            myIsolatedStorage.DeleteFile("/Shared/ShellContent/" + p + ".jpg");
        }

        IsolatedStorageFileStream fileStream = myIsolatedStorage.CreateFile("/Shared/ShellContent/" + p + ".jpg");
        BitmapImage bitmap = new BitmapImage();
        bitmap.SetSource(stream);

        //WriteableBitmap wb = new WriteableBitmap(bitmap);
        cropImage(bitmap, fileStream);
        fileStream.Close();
    }

}

private async void cropImage(BitmapImage bitmap, IsolatedStorageFileStream fileStream)
{
    CropTool crp = new CropTool();
    crp.CropRect = new Rect(0.25, 0.25, 0.32, 0.68);
    WriteableBitmap wb = await crp.Apply(bitmap);
    wb.SaveJpeg(fileStream, wb.PixelWidth, wb.PixelHeight, 0, 100);

}

[Manuel]

Same need with an image from the camera : take picture => crop or modify color => save in isolated storage

thanks you very much

[Deyan]

Hi,

These are standard Windows Phone APIs. A thorough documentation on their usage is available on MSDN:

http://msdn.microsoft.com/en-US/library/windowsphone/develop/microsoft.phone.tasks.photochoosertask(v=vs.105).aspx

http://developer.nokia.com/Community/Wiki/File_manipulation_with_IsolatedStorageFile_on_Windows_Phone

I hope this helps.

Regards,
Deyan
Telerik