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XamaRed.Forms.Svg

XamaRed.Forms.Svg is simple SVG viewer control for Xamarin Forms. It is based on SkiaSharp.

Features

• Display simple SVG files directly from a PCL project
• Stretching options
• Horizontal and vertical alignment of the SVG inside its canvas
• Caching

Download

This control is available as a Nuget package : XamaRed.Forms.Svg.

Usage

• SVG files must be located in a PCL assembly, with Embedded Resource build action.
• The resource identifier of the file must be provided.

Namespace declaration :

xmlns:svg="clr-namespace:XamaRed.Forms.Svg;assembly=XamaRed.Forms.Svg"

Simple image display :

<svg:SvgView ResourceId="MyProject.Assets.myfile.svg" />

Image display with custom stretch mode and alignment :

<svg:SvgView ResourceId="MyProject.Assets.myfile.svg" VerticalAligment="Middle" HorizontalAligment="Middle" Stretch="UniformToFill" />

About stretch mode and alignment

The stretch modes are the same as in WPF :

• Uniform : uniform stretch the SVG as much as possible while keeping the SVG fully visible
• UniformToFill : uniform stretch the SVG as much as possible until the parent is fully filled with the SVG. Some parts of the SVG will probably be hidden
• Fill : stretch the SVG so it matches its parent width and height. The SVG will probably look distorted.
• None : no stretch. Uses the SVG viewbox dimensions.

The alignment values match the ones in Xamarin Forms :

• Start
• Middle
• End

Stretch and Horizontal/Vertical alignments should be used together in order to obtain the intended rendering.

Stretch	Horizontal alignment	Vertical alignment	Result example
Uniform	Start	(any)
UniformToFill	(any)	End
None	Middle	Middle

Please check the included samples for more examples.

More advanced features

The assembly containing the SVG files will default to the Xamarin Forms application assembly. It is possible to override this behavior by setting the MainPclAssembly static property. In order to simplify the resource identifiers, it is also possible to set a default prefix which will be added in front of all identifiers of all SvgView instances. This is done through the ResourceIdsPrefix static property.

SvgView.ResourceIdsPrefix = "XamaRed.Forms.Svg.Tests.Assets.";
SvgView.MainPclAssembly = typeof(EnsurePictureTests).Assembly;

<svg:SvgView ResourceId="inkscape.svg" />

Limitations

The SVG support of Skia is currently limited to basic features. Advanced SVG files may not render correctly.

Update notes

v1.1.0 : Added .NET Standard 2.0 support (and requirement)