PicView/PicView/Views/UserControls/Buttons/OptimizeButton.xaml

<UserControl x:Class="PicView.Views.UserControls.Buttons.OptimizeButton"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             ToolTip="{StaticResource OptimizeImage}">
    <UserControl.Resources>
        <SolidColorBrush x:Key="IconBrush" x:Name="IconBrush" Color="{StaticResource IconColor}" />
    </UserControl.Resources>
    <Button
        x:Name="TheButton"
        Width="51"
        Height="51"
        BorderThickness="0">
        <Button.Background>
            <SolidColorBrush x:Name="ButtonBrush" Color="{StaticResource BackgroundColorAlt}" />
        </Button.Background>
        <Image
            Width="20"
            Height="20">
            <Image.Source>
                <DrawingImage>
                    <DrawingImage.Drawing>
                        <DrawingGroup ClipGeometry="M0,0 V512 H512 V0 H0 Z">
                            <GeometryDrawing Geometry="F1 M512,512z M0,0z M448,256C448,150 362,64 256,64 150,64 64,150 64,256 64,362 150,448 256,448 362,448 448,362 448,256z">
                                <GeometryDrawing.Pen>
                                    <Pen Brush="{StaticResource IconBrush}" Thickness="32" StartLineCap="Flat" EndLineCap="Flat" LineJoin="Miter" MiterLimit="1" />
                                </GeometryDrawing.Pen>
                            </GeometryDrawing>
                            <GeometryDrawing Geometry="F1 M512,512z M0,0z M360,94.59L360,296 M443.13,212.87L296,360 M417.41,360L216,360 M299.13,443.13L155.13,299.13 M152,416L152,216 M68.87,299.13L212.87,155.13 M94.59,152L288,152 M212.87,68.87L360,216">
                                <GeometryDrawing.Pen>
                                    <Pen Brush="{StaticResource IconBrush}" Thickness="32" StartLineCap="Round" EndLineCap="Round" LineJoin="Round" MiterLimit="1" />
                                </GeometryDrawing.Pen>
                            </GeometryDrawing>
                        </DrawingGroup>
                    </DrawingImage.Drawing>
                </DrawingImage>
            </Image.Source>
        </Image>
    </Button>
</UserControl>