public void ConvertBackThrowsNotImplementedException()
{
var converter = new ByteArrayToImageSourceConverter();
var ex = Record.Exception(() => converter.ConvertBack(null, typeof(byte[]), null, CurrentCulture));
Assert.IsType <NotImplementedException>(ex);
}
public void NullValueReturnsNull()
{
var converter = new ByteArrayToImageSourceConverter();
object value = null;
var ex = Record.Exception(() => value = converter.Convert(null, typeof(ImageSource), null, CurrentCulture));
Assert.Null(ex);
Assert.Null(value);
}
public void ByteArrayToImageSourceConverter()
{
var byteArray = new byte[] { 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 };
var memoryStream = new MemoryStream(byteArray);
var expectedValue = ImageSource.FromStream(() => memoryStream);
var byteArrayToImageSourceConverter = new ByteArrayToImageSourceConverter();
var result = byteArrayToImageSourceConverter.Convert(byteArray, typeof(ByteArrayToImageSourceConverter), null, CultureInfo.CurrentCulture);
Assert.IsTrue(StreamEquals(GetStreamFromImageSource((ImageSource?)result), memoryStream));
}
public async Task AddImageCommand()
{
FileData filedata = await CrossFilePicker.Current.PickFile();
//Getting the filename and the data info from the image picked
FileName = filedata.FileName;
_imageData = filedata.DataArray;
//Convert from data info to image
ByteArrayToImageSourceConverter converter = new ByteArrayToImageSourceConverter();
//Image that will be displayed
ImgSource = converter.Convert(_imageData, null, null, culture: System.Globalization.CultureInfo.CurrentCulture);
}
private void GetLayoutTemplates(PaperSize paperSize)
{
string path = _folderService.GetBookTemplateFolder(paperSize.ToString());
Layouts = new ObservableCollection <BookLayout>(_bookLayoutService.LoadLayoutsFromDirectory(path));
BitmapSource image = new BitmapImage(new Uri("pack://application:,,,/Resources/Img/MemoriesWhite.jpg"));
Layouts.Insert(0, new BookLayout
{
Name = "빈 책",
PreviewSource = ByteArrayToImageSourceConverter.SourceToByteArray(image)
});
}
public async Task ConvertedImageSourceReturnsSameImage()
{
var image = GetAvantiPointLogo();
var converter = new ByteArrayToImageSourceConverter();
StreamImageSource imageSource = null;
var ex = Record.Exception(() => imageSource = (StreamImageSource)converter.Convert(image, typeof(ImageSource), null, CurrentCulture));
Assert.Null(ex);
Assert.NotNull(imageSource);
var stream = await imageSource.Stream(CancellationToken.None);
var convertedStream = ReadFully(stream);
Assert.Equal(image, convertedStream);
}
public override void OnDialogOpened(IDialogParameters parameters)
{
base.OnDialogOpened(parameters);
string path = _folderService.GetPageTemplateFolder(parameters.GetValue <PaperSize>("PaperSize").ToString());
Layouts = new ObservableCollection <BookPageLayout>(_bookPageLayoutService.LoadPageLayoutsFromDirectory(path));
BitmapSource image = new BitmapImage(new Uri("pack://application:,,,/Resources/Img/MemoriesWhite.jpg"));
Layouts.Insert(0, new BookPageLayout
{
Name = "빈 페이지",
PreviewSource = ByteArrayToImageSourceConverter.SourceToByteArray(image)
});
}
public override bool FinishedLaunching(UIApplication app, NSDictionary options)
{
ImageCircleRenderer.Init();
//HACK: get iOS to recognize library
ByteArrayToImageSourceConverter cn = new ByteArrayToImageSourceConverter();
ImageCircleRenderer.Init();
global::Xamarin.Forms.Forms.Init();
LoadApplication(new App());
new SfKanbanRenderer();
return(base.FinishedLaunching(app, options));
}
private void SelectImage(FrameworkElement element)
{
byte[] source;
bool isImage = false;
if (element is MMCenterImage image)
{
isImage = true;
source = ByteArrayToImageSourceConverter.SourceToByteArray((BitmapSource)image.ImageSource);
}
else
{
source = Background;
}
_dialogService.ShowSelectImageDialog(new DialogParameters {
{ ParameterNames.SelectedImage, source }
},
(result) =>
{
if (result.Result != ButtonResult.OK)
{
return;
}
byte[] selectedImgae = result.Parameters.GetValue <byte[]>(ParameterNames.SelectedImage);
if (isImage)
{
(element as MMCenterImage).ImageSource = (selectedImgae == null) ? null : (BitmapSource) new ImageSourceConverter().ConvertFrom(selectedImgae);
}
else
{
Background = selectedImgae;
}
});
}
public void InvalidConverterValuesReturnsNull(object value)
{
var byteArrayToImageSourceConverter = new ByteArrayToImageSourceConverter();
Assert.Throws <ArgumentException>(() => byteArrayToImageSourceConverter.Convert(value, typeof(ByteArrayToImageSourceConverter), null, CultureInfo.CurrentCulture));
}
public void SetSourceFromPath(string path)
{
Preview = path;
Source = ByteArrayToImageSourceConverter.SourceToByteArray(new BitmapImage(new Uri(path, UriKind.Relative)));
}
/// <summary>
/// Extract source from image control
/// </summary>
/// <param name="image">source image</param>
/// <returns></returns>
private static byte[] GetSourceFromImage(BitmapSource source)
{
return(source == null ? null : ByteArrayToImageSourceConverter.SourceToByteArray(source));
}
