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 ref class AnnPicture : public System.Windows.DependencyObject
For XAML example, refer to AnnGroupObject.
Imports Leadtools.Windows.Controls Imports Leadtools.Windows.Annotations 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
using Leadtools.Windows.Controls; using Leadtools.Windows.Annotations; using Leadtools.Demos; using Leadtools.Help; 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); } }
using Leadtools.Windows.Controls; using Leadtools.Windows.Annotations; using Leadtools.Examples; 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); }
Imports Leadtools.Windows.Controls Imports Leadtools.Windows.Annotations 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