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Class GdiPlusApi

GDIplus Helpers

Inheritance
System.Object
GdiPlusApi
Namespace: Dapplo.Windows.Gdi32
Assembly: Dapplo.Windows.Gdi32.dll
Syntax
public static class GdiPlusApi : object

Methods

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ApplyBlur(Bitmap, Rectangle, Int32, Boolean)

Use the GDI+ blur effect on the bitmap

Declaration
public static bool ApplyBlur(Bitmap destinationBitmap, Rectangle area, int radius, bool expandEdges)
Parameters
Type Name Description
Bitmap destinationBitmap

Bitmap to apply the effect to

Rectangle area

Rectangle to apply the blur effect to

System.Int32 radius

0-255

System.Boolean expandEdges

bool true if the edges are expanded with the radius

Returns
Type Description
System.Boolean

false if there is no GDI+ available or an exception occured

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DrawWithBlur(Graphics, Bitmap, Rectangle, Matrix, ImageAttributes, Int32, Boolean)

Draw the image on the graphics with GDI+ blur effect

Declaration
public static bool DrawWithBlur(Graphics graphics, Bitmap image, Rectangle source, Matrix transform, ImageAttributes imageAttributes, int radius, bool expandEdges)
Parameters
Type Name Description
Graphics graphics
Bitmap image
Rectangle source
Matrix transform
ImageAttributes imageAttributes
System.Int32 radius
System.Boolean expandEdges
Returns
Type Description
System.Boolean

false if there is no GDI+ available or an exception occured

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IsBlurPossible(Int32)

Returns if a GDIPlus blur can be made for the supplied radius. This accounts for the "bug" I reported here: http://social.technet.microsoft.com/Forums/en/w8itprogeneral/thread/99ddbe9d-556d-475a-8bab-84e25aa13a2c

Declaration
public static bool IsBlurPossible(int radius)
Parameters
Type Name Description
System.Int32 radius
Returns
Type Description
System.Boolean

false if blur is not possible

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