Table of Contents

ThinkGeo.MapSuite.Core.GdiPlusGeoCanvas

Note: The page was created before Map Suite 10. Map Suite 10.0 organized many classes into new namespaces and assemblies as well as had a few minor breaks in compatibility. The majority of previously built code should work without modification assuming the new namespaces are added. For guidance on upgrading your existing code, please check out MapSuite 10 Upgrade Guide.

This class represents a canvas that is used to draw geographic shapes with GDI+.

Inheritance Hierarchy

Members Summary

Public Constructors

GdiPlusGeoCanvas()

Remarks
Parameters

Protected Constructors

Public Methods

GetStreamFromGeoImage(GeoImage)

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Return Value
Parameters

DrawWorldImageWithoutScaling(Bitmap,Double,Double,DrawingLevel)

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Return Value
Parameters

DrawWorldImageWithoutScaling(Bitmap,Double,Double,DrawingLevel,Single,Single,Single)

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Return Value
Parameters

DrawScreenImageWithoutScaling(Bitmap,Single,Single,DrawingLevel,Single,Single,Single)

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Return Value
Parameters

CloneDeep()

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Return Value
Parameters

Clear(GeoBrush)

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Return Value
Parameters

DrawArea(Feature,GeoPen,DrawingLevel)

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Return Value
Parameters

DrawArea(AreaBaseShape,GeoPen,DrawingLevel)

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Return Value
Parameters

DrawArea(Feature,GeoBrush,DrawingLevel)

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Parameters

DrawArea(AreaBaseShape,GeoBrush,DrawingLevel)

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Parameters

DrawArea(Feature,GeoPen,GeoBrush,DrawingLevel)

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Parameters

DrawArea(AreaBaseShape,GeoPen,GeoBrush,DrawingLevel)

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Parameters

DrawArea(Feature,GeoPen,GeoBrush,DrawingLevel,Single,Single,PenBrushDrawingOrder)

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Parameters

DrawArea(AreaBaseShape,GeoPen,GeoBrush,DrawingLevel,Single,Single,PenBrushDrawingOrder)

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Parameters

DrawArea(IEnumerable<ScreenPointF[]>,GeoPen,GeoBrush,DrawingLevel,Single,Single,PenBrushDrawingOrder)

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Parameters

DrawLine(Feature,GeoPen,DrawingLevel)

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Parameters

DrawLine(LineBaseShape,GeoPen,DrawingLevel)

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Parameters

DrawLine(Feature,GeoPen,DrawingLevel,Single,Single)

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Parameters

DrawLine(LineBaseShape,GeoPen,DrawingLevel,Single,Single)

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Parameters

DrawLine(IEnumerable<ScreenPointF>,GeoPen,DrawingLevel,Single,Single)

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Parameters

DrawEllipse(Feature,Single,Single,GeoPen,DrawingLevel)

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Parameters

DrawEllipse(PointBaseShape,Single,Single,GeoPen,DrawingLevel)

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Parameters

DrawEllipse(Feature,Single,Single,GeoBrush,DrawingLevel)

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Parameters

DrawEllipse(PointBaseShape,Single,Single,GeoBrush,DrawingLevel)

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Parameters

DrawEllipse(Feature,Single,Single,GeoPen,GeoBrush,DrawingLevel)

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Parameters

DrawEllipse(PointBaseShape,Single,Single,GeoPen,GeoBrush,DrawingLevel)

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Parameters

DrawEllipse(Feature,Single,Single,GeoPen,GeoBrush,DrawingLevel,Single,Single,PenBrushDrawingOrder)

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Parameters

DrawEllipse(PointBaseShape,Single,Single,GeoPen,GeoBrush,DrawingLevel,Single,Single,PenBrushDrawingOrder)

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Parameters

DrawEllipse(ScreenPointF,Single,Single,GeoPen,GeoBrush,DrawingLevel,Single,Single,PenBrushDrawingOrder)

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Parameters

DrawWorldImageWithoutScaling(GeoImage,Double,Double,DrawingLevel)

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Return Value
Parameters

DrawWorldImageWithoutScaling(GeoImage,Double,Double,DrawingLevel,Single,Single,Single)

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Return Value
Parameters

DrawScreenImageWithoutScaling(GeoImage,Single,Single,DrawingLevel,Single,Single,Single)

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Return Value
Parameters

DrawWorldImage(GeoImage,Double,Double,Single,Single,DrawingLevel)

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Parameters

DrawWorldImage(GeoImage,Double,Double,Double,DrawingLevel,Single,Single,Single)

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Parameters

DrawWorldImage(GeoImage,Double,Double,Single,Single,DrawingLevel,Single,Single,Single)

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Parameters

DrawScreenImage(GeoImage,Single,Single,Single,Single,DrawingLevel,Single,Single,Single)

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Parameters

DrawTextWithScreenCoordinate(String,GeoFont,GeoBrush,Single,Single,DrawingLevel)

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Parameters

DrawTextWithScreenCoordinate(String,GeoFont,GeoBrush,GeoPen,Single,Single,DrawingLevel)

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Return Value
Parameters

DrawTextWithWorldCoordinate(String,GeoFont,GeoBrush,Double,Double,DrawingLevel)

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Return Value
Parameters

DrawTextWithWorldCoordinate(String,GeoFont,GeoBrush,GeoPen,Double,Double,DrawingLevel)

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Return Value
Parameters

DrawText(String,GeoFont,GeoBrush,IEnumerable<ScreenPointF>,DrawingLevel)

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Parameters

DrawText(String,GeoFont,GeoBrush,GeoPen,IEnumerable<ScreenPointF>,DrawingLevel,Single,Single,Single)

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Parameters

MeasureText(String,GeoFont)

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Parameters

BeginDrawing(Object,RectangleShape,GeographyUnit)

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Parameters

ToNativeImage(GeoImage)

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Return Value
Parameters

ToGeoImage(Object)

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Parameters

EndDrawing()

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Parameters

Flush()

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ToString()

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Equals(Object)

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Parameters

GetHashCode()

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Parameters

GetType()

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Parameters

FillBackground(GeoImage,GeoBrush)

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ConvertGeoImageToMemoryStream(GeoImage)

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ConvertGeoImageToMemoryStream(GeoImage,ImageFormat)

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CreateGeoImage(Int32,Int32)

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Protected Methods

DrawAreaCore(IEnumerable<ScreenPointF[]>,GeoPen,GeoBrush,DrawingLevel,Single,Single,PenBrushDrawingOrder)

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DrawLineCore(IEnumerable<ScreenPointF>,GeoPen,DrawingLevel,Single,Single)

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Parameters

DrawEllipseCore(ScreenPointF,Single,Single,GeoPen,GeoBrush,DrawingLevel,Single,Single,PenBrushDrawingOrder)

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Return Value
Parameters

DrawScreenImageWithoutScalingCore(GeoImage,Single,Single,DrawingLevel,Single,Single,Single)

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Parameters

DrawScreenImageCore(GeoImage,Single,Single,Single,Single,DrawingLevel,Single,Single,Single)

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Parameters

DrawTextCore(String,GeoFont,GeoBrush,GeoPen,IEnumerable<ScreenPointF>,DrawingLevel,Single,Single,Single)

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Parameters

MeasureTextCore(String,GeoFont)

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BeginDrawingCore(Object,RectangleShape,GeographyUnit)

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EndDrawingCore()

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FlushCore()

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ToNativeImageCore(GeoImage)

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ToGeoImageCore(Object)

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DrawEvalWaterMarked(String)

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DrawFullWaterMarked(String)

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GetCanvasWidthCore(Object)

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GetCanvasHeightCore(Object)

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OnDrawingProgressChanged(DrawingProgressChangedEventArgs)

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ToWorldCoordinate(DrawingRectangleF)

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CloneDeepCore()

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ClearCore(GeoBrush)

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GetCanvasWidth(Object)

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GetCanvasHeight(Object)

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Finalize()

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MemberwiseClone()

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Public Properties

CompositingQuality

This property returns or sets the quality level to use during compositing.

Remarks

This property is used for GDI+ drawing. The excerpt below is from the GDI+ documentation: Compositing is done during rendering when the source pixels are combined with the destination pixels to produce the resultant pixels. The quality of compositing directly relates to the visual quality of the output and is inversely proportional to the render time. The higher the quality, the slower the render time. This is because the higher the quality level, the more surrounding pixels need to be taken into account during the composite. The linear quality setting (AssumeLinear) compromises by providing better quality than the default quality at a slightly lower speed.

Return Value

SmoothingMode

This property returns or sets the rendering quality for this GeoCanvas.

Remarks

This property is used for GDI+ drawing. The excerpt below is from the GDI+ documentation: The smoothing mode specifies whether lines, curves, and the edges of filled areas use smoothing (also called antialiasing). One exception is that path gradient brushes do not obey the smoothing mode. Areas filled using a PathGradientBrush are rendered the same way (aliased) regardless of the SmoothingMode property.

Return Value

HasKeyColor

This property indicates whether a GdiPlusGeoCanvas has the KeyColor or not. If it has no KeyColor, it will throw an exception when you get or set the value of KeyColors property.

Remarks

The default value is true.

Return Value

TextRenderingHint

This property returns or sets the rendering mode for text associated with this GeoCanvas.

Remarks

This property is used for GDI+ drawing. The excerpt below is from the GDI+ documentation: The text rendering hint specifies whether text renders with antialiasing.

Return Value

InterpolationMode

Gets or sets the interpolation mode associated with this System.Drawing.Graphics.

Remarks

N/A

Return Value

ClippingArea

N/A

Remarks

N/A

Return Value

CurrentScale

N/A

Remarks

N/A

Return Value

DrawingQuality

N/A

Remarks

N/A

Return Value

MapUnit

N/A

Remarks

N/A

Return Value

Width

N/A

Remarks

N/A

Return Value

Height

N/A

Remarks

N/A

Return Value

CurrentWorldExtent

N/A

Remarks

N/A

Return Value

KeyColors

N/A

Remarks

N/A

Return Value

NativeImage

N/A

Remarks

N/A

Return Value

IsDrawing

N/A

Remarks

N/A

Return Value

Dpi

N/A

Remarks

N/A

Return Value

Protected Properties

HasDrawn

N/A

Remarks

N/A

Return Value

Public Events

DrawingProgressChanged N/A

Remarks

N/A

Event Arguments:DrawingProgressChangedEventArgs