Leadtools.Windows.Annotations Namespace : AnnPicture Class |
public class AnnPicture : System.Windows.DependencyObject
'Declaration Public Class AnnPicture Inherits System.Windows.DependencyObject
'Usage Dim instance As AnnPicture
public sealed class AnnPicture : System.Windows.DependencyObject
function Leadtools.Windows.Annotations.AnnPicture()
public ref class AnnPicture : public System.Windows.DependencyObject
For XAML example, refer to AnnGroupObject.
Private Sub AnnPicture_AnnPicture(ByVal dc As DrawingContext) Dim pic As AnnPicture = Nothing Dim dv As DrawingVisual = New DrawingVisual() Using dvc As DrawingContext = dv.RenderOpen() 'Bitmap btmp = new Bitmap(100, 100, PixelFormat.Format32bppArgb)) dvc.DrawRectangle(Brushes.Red, Nothing, New Rect(0, 0, 100, 100)) dvc.DrawEllipse(Brushes.Red, Nothing, New System.Windows.Point(50, 50), 100, 100) dvc.Close() Dim btmp As RenderTargetBitmap = New RenderTargetBitmap(100, 100, 96, 96, PixelFormats.Pbgra32) btmp.Render(dv) ' initialize a new AnnPicture class for this image pic = New AnnPicture(btmp) End Using If Not pic Is Nothing AndAlso Not pic.Image Is Nothing Then ' draw the picture with no transparency Dim rc As Rect = New Rect(10, 10, pic.Image.Width, pic.Image.Height) dc.DrawImage(pic.Image, rc) ' draw the picture without the ellipse (make transparent color = blue) rc.Offset(0, pic.Image.Height + 10) pic.TransparentMode = AnnTransparentMode.UseColor pic.TransparentColor = Colors.Blue dc.DrawImage(pic.Image, rc) ' draw the picture without the rectangle (use the top left pixel as the transparent color) rc.Offset(0, pic.Image.Height + 10) pic.TransparentMode = AnnTransparentMode.TopLeftPixel dc.DrawImage(pic.Image, rc) End If End Sub
private void AnnPicture_AnnPicture(DrawingContext dc) { AnnPicture pic = null; DrawingVisual dv = new DrawingVisual(); using(DrawingContext dvc = dv.RenderOpen()) //Bitmap btmp = new Bitmap(100, 100, PixelFormat.Format32bppArgb)) { dvc.DrawRectangle(Brushes.Red, null, new Rect(0, 0, 100, 100)); dvc.DrawEllipse(Brushes.Red, null, new Point(50, 50), 100, 100); dvc.Close(); RenderTargetBitmap btmp = new RenderTargetBitmap(100, 100, 96, 96, PixelFormats.Pbgra32); btmp.Render(dv); // initialize a new AnnPicture class for this image pic = new AnnPicture(btmp); } if(pic != null && pic.Image != null) { // draw the picture with no transparency Rect rc = new Rect(10, 10, pic.Image.Width, pic.Image.Height); dc.DrawImage(pic.Image, rc); // draw the picture without the ellipse (make transparent color = blue) rc.Offset(0, pic.Image.Height + 10); pic.TransparentMode = AnnTransparentMode.UseColor; pic.TransparentColor = Colors.Blue; dc.DrawImage(pic.Image, rc); // draw the picture without the rectangle (use the top left pixel as the transparent color) rc.Offset(0, pic.Image.Height + 10); pic.TransparentMode = AnnTransparentMode.TopLeftPixel; dc.DrawImage(pic.Image, rc); } }
private void AnnPicture_AnnPicture() { AnnPicture pic = null; Canvas myCanvas = new Canvas(); myCanvas.Width = 100; myCanvas.Height = 100; Rectangle rect = new Rectangle(); rect.Fill = new SolidColorBrush(Colors.Red); rect.Width = 100; rect.Height = 100; myCanvas.Children.Add(rect); Ellipse elipse = new Ellipse(); elipse.Fill = new SolidColorBrush(Colors.Red); elipse.Width = 100; elipse.Height = 100; myCanvas.Children.Add(elipse); WriteableBitmap wb = new WriteableBitmap(200, 200); wb.Render(myCanvas, null); wb.Invalidate(); ImageSource img = wb; pic = new AnnPicture((BitmapSource)img); }
Private Sub AnnPicture_AnnPicture() Dim pic As AnnPicture = Nothing Dim myCanvas As Canvas = New Canvas() myCanvas.Width = 100 myCanvas.Height = 100 Dim rect As Rectangle = New Rectangle() rect.Fill = New SolidColorBrush(Colors.Red) rect.Width = 100 rect.Height = 100 myCanvas.Children.Add(rect) Dim elipse As Ellipse = New Ellipse() elipse.Fill = New SolidColorBrush(Colors.Red) elipse.Width = 100 elipse.Height = 100 myCanvas.Children.Add(elipse) Dim wb As WriteableBitmap = New WriteableBitmap(200, 200) wb.Render(myCanvas, Nothing) wb.Invalidate() Dim img As ImageSource = wb pic = New AnnPicture(CType(img, BitmapSource)) End Sub
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2