Silverlight 领路蜂二维图形库示例:材质画刷

2012-07-03

Silverlight 引路蜂二维图形库示例:材质画刷除了单色，渐变画刷外，也可以使用图像作为模式（Pattern）画刷来

Silverlight 引路蜂二维图形库示例:材质画刷

除了单色，渐变画刷外，也可以使用图像作为模式（Pattern）画刷来填充图形。

下面的例子使用两个PNG图像来填充图形。

private void Patterns(){    TextureBrush brush1;    TextureBrush brush2;    TextureBrush brush3;     AffineTransform matrix1 = new AffineTransform();    AffineTransform matrix2 = new AffineTransform();     BitmapImage img = new BitmapImage();    img.CreateOptions = BitmapCreateOptions.None;    string path = "/SilverlightGraphics2DDemo;component/brick.png";    Stream s = Application.GetResourceStream        (new Uri(path, UriKind.Relative)).Stream;    img.SetSource(s);    WriteableBitmap writeableBitmap = new WriteableBitmap(img);    brush1 = new TextureBrush(writeableBitmap.Pixels,          img.PixelWidth, img.PixelHeight);    path = "/SilverlightGraphics2DDemo;component/bird.png";    s = Application.GetResourceStream(new Uri(path, UriKind.Relative)).Stream;    img.SetSource(s);    writeableBitmap = new WriteableBitmap(img);    brush2 = new TextureBrush(writeableBitmap.Pixels, img.PixelWidth,         img.PixelHeight);    brush3 = new TextureBrush(writeableBitmap.Pixels, img.PixelWidth,         img.PixelHeight,127);    matrix2.Translate(50, 50);    graphics2D.Clear(Color.White);    graphics2D.AffineTransform = (matrix1);    graphics2D.FillRectangle(brush1, new Rectangle(20, 50, 100, 100));    graphics2D.FillOval(brush2, 10, 10, 80, 80);    graphics2D.AffineTransform = (matrix2);    graphics2D.FillOval(brush3, 10, 10, 80, 80); }

Silverlight 领路蜂二维图形库示例:材质画刷

这个例子所用的brick.png 和bird.png ,brush3是半透明画刷。

Silverlight 领路蜂二维图形库示例:材质画刷

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Silverlight 领路蜂二维图形库示例:材质画刷