Interface IMapRenderer

Namespace: Mapsui.Rendering
Assembly: Mapsui.dll
Syntax
public interface IMapRenderer

Methods

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CreateDrawableForFeature(Viewport, ILayer, IFeature, IStyle, RenderService)

Creates a drawable for a feature/style combination. This factory method is used by CreateDrawable to allow the fetch pipeline to create drawables without needing access to renderer internals.

Declaration
IDrawable? CreateDrawableForFeature(Viewport viewport, ILayer layer, IFeature feature, IStyle style, RenderService renderService)
Parameters
Type Name Description
Viewport viewport

The current viewport.
ILayer layer

The layer containing the feature.
IFeature feature

The feature to create a drawable for.
IStyle style

The style to apply.
RenderService renderService

The render service (holds caches).
Returns
Type Description
IDrawable

A drawable, or null if this renderer doesn't support creating drawables for this style.
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GetMapInfo(ScreenPosition, Viewport, IEnumerable<ILayer>, RenderService, int)

Declaration
MapInfo GetMapInfo(ScreenPosition screenPosition, Viewport viewport, IEnumerable<ILayer> layers, RenderService renderService, int margin = 0)
Parameters
Type Name Description
ScreenPosition screenPosition
Viewport viewport
IEnumerable<ILayer> layers
RenderService renderService
int margin
Returns
Type Description
MapInfo
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Render(object, Viewport, IEnumerable<ILayer>, IEnumerable<IWidget>, RenderService, Color?)

Declaration
void Render(object target, Viewport viewport, IEnumerable<ILayer> layers, IEnumerable<IWidget> widgets, RenderService renderService, Color? background = null)
Parameters
Type Name Description
object target
Viewport viewport
IEnumerable<ILayer> layers
IEnumerable<IWidget> widgets
RenderService renderService
Color? background
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RenderToBitmapStream(Viewport, IEnumerable<ILayer>, RenderService, Color?, float, IEnumerable<IWidget>?, RenderFormat, int)

Declaration
MemoryStream RenderToBitmapStream(Viewport viewport, IEnumerable<ILayer> layers, RenderService renderService, Color? background = null, float pixelDensity = 1, IEnumerable<IWidget>? widgets = null, RenderFormat renderFormat = RenderFormat.Png, int quality = 100)
Parameters
Type Name Description
Viewport viewport
IEnumerable<ILayer> layers
RenderService renderService
Color? background
float pixelDensity
IEnumerable<IWidget> widgets
RenderFormat renderFormat
int quality
Returns
Type Description
MemoryStream
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TryGetStyleRenderer(Type, out IStyleRenderer?)

Declaration
bool TryGetStyleRenderer(Type widgetType, out IStyleRenderer? widgetRenderer)
Parameters
Type Name Description
Type widgetType
IStyleRenderer widgetRenderer
Returns
Type Description
bool
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TryGetWidgetRenderer(Type, out IWidgetRenderer?)

Declaration
bool TryGetWidgetRenderer(Type widgetType, out IWidgetRenderer? widgetRenderer)
Parameters
Type Name Description
Type widgetType
IWidgetRenderer widgetRenderer
Returns
Type Description
bool
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UpdateDrawables(Viewport, ILayer, RenderService)

Updates pre-created drawable objects for a layer. Called when layer data changes. Implementations that support the two-step rendering architecture should create drawables here.

Declaration
void UpdateDrawables(Viewport viewport, ILayer layer, RenderService renderService)
Parameters
Type Name Description
Viewport viewport

The current viewport.
ILayer layer

The layer whose data has changed.
RenderService renderService

The render service (holds caches).

Extension Methods