<UserControl
    x:Class="ColorPicker.Views.ZoomView"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:behaviors="clr-namespace:ColorPicker.Behaviors"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:e="http://schemas.microsoft.com/xaml/behaviors"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:shaders="clr-namespace:ColorPicker.Shaders"
    Background="Transparent"
    Focusable="False"
    mc:Ignorable="d">

    <Border
        x:Name="WindowBorder"
        Margin="12"
        HorizontalAlignment="Center"
        VerticalAlignment="Center"
        Background="{DynamicResource LayerFillColorDefaultBrush}"
        BorderBrush="{DynamicResource SurfaceStrokeColorDefaultBrush}"
        BorderThickness="1"
        CornerRadius="{DynamicResource ControlCornerRadius}">
        <!--  Disabled due to the poor performance of drawing shadows in WPF  -->
        <!--<Border.Effect>
            <DropShadowEffect BlurRadius="16" Opacity="0.28" ShadowDepth="1" />
        </Border.Effect>-->
        <Grid>
            <Image
                Width="{Binding Width, Mode=TwoWay}"
                Height="{Binding Height, Mode=TwoWay}"
                Margin="3"
                RenderOptions.BitmapScalingMode="NearestNeighbor"
                Source="{Binding ZoomArea}"
                Stretch="Fill">
                <e:Interaction.Behaviors>
                    <behaviors:ResizeBehavior Width="{Binding DesiredWidth}" Height="{Binding DesiredHeight}" />
                    <behaviors:GridEffectBehavior Effect="{Binding ElementName=gridEffect}" ZoomFactor="{Binding ZoomFactor}" />
                </e:Interaction.Behaviors>
                <Image.Effect>
                    <shaders:GridShaderEffect x:Name="gridEffect" />
                </Image.Effect>
            </Image>

            <!--  Non-functional close button  -->
            <Border
                HorizontalAlignment="Right"
                VerticalAlignment="Top"
                CornerRadius="0,4,0,4"
                Visibility="Collapsed">
                <Border.Style>
                    <Style TargetType="Border">
                        <Style.Triggers>
                            <DataTrigger Binding="{Binding Path=IsMouseOver, ElementName=WindowBorder}" Value="False">
                                <Setter Property="Opacity" Value="0" />
                            </DataTrigger>
                        </Style.Triggers>
                    </Style>
                </Border.Style>
                <Button
                    Width="40"
                    Height="40"
                    Background="Transparent">
                    Text="&#xE094;" />
                </Button>
            </Border>
        </Grid>
    </Border>
</UserControl>
