如何从图像(BMP/JPEG/PNG)创建绘制画笔?

I need to pass DrawingBrush to a method in a third-party DLL which displays an image somewhere in the application. I can't modify this.

我需要将绘制刷传递给第三方DLL中的一个方法，该方法在应用程序的某个地方显示图像。我不能修改这个。

I need to create a DrawingBrush from an BMP Image. I tried this example but it doesn't work.

我需要从BMP映像创建一个绘制画笔。我试过这个例子，但是没用。

Any help would be appreciated.

如有任何帮助，我们将不胜感激。

1 个解决方案

#1

It should work.

它应该工作。

<Window x:Class="WpfApplication9.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="MainWindow" >
<Rectangle Height="100" Width="100">

    <Rectangle.Fill>
        <DrawingBrush>
            <DrawingBrush.Drawing>
                <DrawingGroup>
                    <GeometryDrawing>
                        <GeometryDrawing.Brush>
                            <ImageBrush ImageSource="IC23839.jpg"  />
                        </GeometryDrawing.Brush>
                        <GeometryDrawing.Geometry>
                            <RectangleGeometry Rect="0,0 100,100" />
                        </GeometryDrawing.Geometry>

                    </GeometryDrawing>

                </DrawingGroup>
            </DrawingBrush.Drawing>
        </DrawingBrush>

    </Rectangle.Fill>

</Rectangle>