async void MainPage_Loaded(object sender, RoutedEventArgs e)
{
// locate the image
var imageUri = new Uri("ms-appx:///Assets/GcLogo.png");
var storageFile = await StorageFile.GetFileFromApplicationUriAsync(imageUri);
// load the image into C1Bitmap
_bitmap = new C1Bitmap();
await _bitmap.LoadAsync(storageFile, new FormatConverter(PixelFormat.Format32bppPBGRA));
// create Direct2D and DirectWrite factories
_d2dFactory = D2D.Factory2.Create(D2D.FactoryType.SingleThreaded);
_dwFactory = DW.Factory.Create(DW.FactoryType.Shared);
// create GPU resources
CreateDeviceResources();
// create the image source
_imageSource = new SurfaceImageSource(_marginLT + _bitmap.PixelWidth + _marginRB, _marginLT + _bitmap.PixelHeight + _marginRB, false);
// obtain the native interface for the image source
_sisNative = ComObject.QueryInterface <DXGI.ISurfaceImageSourceNative>(_imageSource);
_sisNative.SetDevice(_dxgiDevice);
// draw the image to SurfaceImageSource
UpdateImageSource(ImageEffect.Original);
// associate the image source with the Image
image.Source = _imageSource;
}
void InitResources()
{
// load the image into C1Bitmap
_bitmap = new C1Bitmap();
Assembly asm = typeof(MainWindow).Assembly;
using (Stream stream = asm.GetManifestResourceStream("Direct2DEffects.Resources.GcLogo.png"))
{
_bitmap.Load(stream, new FormatConverter(C1.WPF.Bitmap.PixelFormat.Format32bppPBGRA));
}
// create Direct2D and DirectWrite factories
_d2dFactory = D2D.Factory2.Create(D2D.FactoryType.SingleThreaded);
_dwFactory = DW.Factory.Create(DW.FactoryType.Shared);
// create GPU resources
CreateDeviceResources();
}
public MainForm()
{
InitializeComponent();
// load the image into C1Bitmap
_bitmap = new C1Bitmap();
Assembly asm = typeof(MainForm).Assembly;
using (Stream stream = asm.GetManifestResourceStream("Direct2DEffects.Resources.GcLogo.png"))
{
_bitmap.Load(stream, new FormatConverter(PixelFormat.Format32bppPBGRA));
}
// create Direct2D and DirectWrite factories
_d2dFactory = D2D.Factory2.Create(D2D.FactoryType.SingleThreaded);
_dwFactory = DW.Factory.Create(DW.FactoryType.Shared);
// create GPU resources
CreateDeviceResources();
// fill the list of available effects
var coll = effectsCombo.Items;
coll.Add(new EffectItem(ImageEffect.Original, "Original Image"));
coll.Add(new EffectItem(ImageEffect.GaussianBlur, "Gaussian Blur"));
coll.Add(new EffectItem(ImageEffect.Sharpen, "Sharpen"));
coll.Add(new EffectItem(ImageEffect.HorizontalSmear, "Horizontal Smear"));
coll.Add(new EffectItem(ImageEffect.Shadow, "Shadow"));
coll.Add(new EffectItem(ImageEffect.DisplacementMap, "Displacement Map"));
coll.Add(new EffectItem(ImageEffect.Emboss, "Emboss"));
coll.Add(new EffectItem(ImageEffect.EdgeDetect, "Edge Detect"));
coll.Add(new EffectItem(ImageEffect.Sepia, "Sepia"));
effectsCombo.SelectedIndex = 0;
effectsCombo.SelectionChangeCommitted += effectsCombo_SelectionChangeCommitted;
// display the original image
UpdateImageSource(ImageEffect.Original);
}
void CreateDeviceIndependentResources()
{
_d2dFactory = D2D.Factory2.Create(D2D.FactoryType.SingleThreaded);
_wicFactory = WIC.ImagingFactory2.Create();
}
