Using vector graphics as an icon in WPF
I have the following base class for MenuItems
in my MVVM application
public class StandardMenuItem : MenuItemBase, IExecutableItem
{
...
public Image Icon { get; private set; }
...
}
where my initial idea was to use Image
to return the icons displayed on mine MenuItems
. Now I've come to the point where I started using these MenuItems
in the front end of my application and found an excellent vector graphics library that I want to use instead.
<ResourceDictionary x:Class="resources_icons_xaml"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
<Canvas x:Key="appbar_acorn" Width="48" Height="48" Clip="F1 M 0,0L 48,0L 48,48L 0,48L 0,0">
<Path Width="22.3248" Height="25.8518" Canvas.Left="13.6757" Canvas.Top="11.4012" Stretch="Fill" Fill="{DynamicResource BlackBrush}" Data="F1 M 16.6309,18.6563C 17.1309,8.15625 29.8809,14.1563 29.8809,14.1563C 30.8809,11.1563 34.1308,11.4063 34.1308,11.4063C 33.5,12 34.6309,13.1563 34.6309,13.1563C 32.1309,13.1562 31.1309,14.9062 31.1309,14.9062C 41.1309,23.9062 32.6309,27.9063 32.6309,27.9062C 24.6309,24.9063 21.1309,22.1562 16.6309,18.6563 Z M 16.6309,19.9063C 21.6309,24.1563 25.1309,26.1562 31.6309,28.6562C 31.6309,28.6562 26.3809,39.1562 18.3809,36.1563C 18.3809,36.1563 18,38 16.3809,36.9063C 15,36 16.3809,34.9063 16.3809,34.9063C 16.3809,34.9063 10.1309,30.9062 16.6309,19.9063 Z "/>
</Canvas>
...
<ResourceDictionary/>
My problem is that using this vector art through code doesn't seem straight forward. I know how to include graphics like this in XAML
<!-- Include Resource Dictionary -->
<MenuItem Header="Show Difference Details"
ToolTip="Launch the grouped data file and analysis window."
IsEnabled="{Binding GroupedDataIsDifferent}"
Caliburn:Message.Attach="[Event Click] = [Action ShowDifferenceDetailsAsync()]">
<MenuItem.Icon>
<Rectangle Width="16" Height="16">
<Rectangle.Fill>
<VisualBrush Stretch="Uniform" Visual="{StaticResource appbar_column_two}" />
</Rectangle.Fill>
</Rectangle>
</MenuItem.Icon>
</MenuItem>
but that's not my problem. My questions:
- How do I use vector graphics from the resource dictionary in my signs / images for my
StandardMenuItem
s? - If the answer is 1. "you can't", how can I convert from vector graphics to
Icon
in code?
Thank you for your time.
Edit. I want to get graphics using code. So, for my menu item, I have a method
public StandardMenuItem WithIcon(Assembly source, string path)
{
var manager = IoC.Get<IResourceManager>();
var iconSource = manager.GetBitmap(path, source.GetAssemblyName());
if (source != null)
{
IconSource = path;
}
return this;
}
My problem is now getting the correct path to the vector image I want. Let's say in my solution I have my vector image in "Graphics / Icons.xaml" and the resource is called "appbar_acorn", how can I reference this?
source to share
here you go
start by changing the icon property to a string
eg,
public string Icon { get; private set; }
assign the icon value as the icon key you want to use
Icon = "appbar_acorn";
define the converter in resources
<l:StringToResourceConverter x:Key="StringToResourceConverter" />
l: refers to the namespace of the transformer, for example xmlns:l="clr-namespace:CSharpWPF"
using
<MenuItem Icon="{Binding Icon,Converter={StaticResource StringToResourceConverter}}"
Header="Menu"/>
result
here is the converter class
namespace CSharpWPF
{
class StringToResourceConverter: IValueConverter
{
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
return Application.Current.FindResource(value);
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotImplementedException();
}
}
}
you may need to adjust the size and placement of the icons on the canvas, in the above example I removed Canvas.Left="13.6757" & Canvas.Top="11.4012"
, but still it's a bit big for a menu icon
source to share