Silverlight 领道蜂二维图形库示例:显示位图

Silverlight 引路蜂二维图形库示例:显示位图

类Graphics2D同样提供了绘制位图的方法，drawImage(). 下面的例子显示卫星地图。卫星地图有卫星照片和道路名称组合而成，所选的原始图像，可以参见

http://www.mapdigit.com/guidebeemap/maptile.php?type=MICROSOFTSATELLITE&x=7&y=4&z=14 maptile_7_4.jpghttp://www.mapdigit.com/guidebeemap/maptile.php?type=MICROSOFTSATELLITE&x=6&y=4&z=14 maptile_6_4.jpghttp://www.mapdigit.com/guidebeemap/maptile.php?type=GOOGLEHYBRID&x=7&y=4&z=14 maptile_7_4.pnghttp://www.mapdigit.com/guidebeemap/maptile.php?type=GOOGLEHYBRID&x=6&y=4&z=14 maptile_6_4.pngprivate void DrawMap(){ BitmapImage img = new BitmapImage(); img.CreateOptions = BitmapCreateOptions.None; string path = "/SilverlightGraphics2DDemo;component/map/maptile_6_4.jpg"; Stream s = Application.GetResourceStream(new Uri(path, UriKind.Relative)).Stream; img.SetSource(s); WriteableBitmap writeableBitmap = new WriteableBitmap(img); graphics2D.Clear(Color.White); graphics2D.DrawImage(writeableBitmap.Pixels, 256, 256, 0, 0); path = "/SilverlightGraphics2DDemo;component/map/maptile_7_4.jpg"; s = Application.GetResourceStream(new Uri(path, UriKind.Relative)).Stream; img.SetSource(s); writeableBitmap = new WriteableBitmap(img); graphics2D.DrawImage(writeableBitmap.Pixels, 256, 256,256,0); path = "/SilverlightGraphics2DDemo;component/map/maptile_6_4.png"; s = Application.GetResourceStream(new Uri(path, UriKind.Relative)).Stream; img.SetSource(s); writeableBitmap = new WriteableBitmap(img); graphics2D.DrawImage(writeableBitmap.Pixels, 256, 256, 0, 0); path = "/SilverlightGraphics2DDemo;component/map/maptile_7_4.png"; s = Application.GetResourceStream(new Uri(path, UriKind.Relative)).Stream; img.SetSource(s); writeableBitmap = new WriteableBitmap(img); graphics2D.DrawImage(writeableBitmap.Pixels, 256, 256, 256, 0);}

查看更多 下一篇