ImageGear for .NET
InvertBlackImage Method
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ImageGear21.Processing.Advanced Assembly > ImageGear.Processing.ImageClean Namespace > ImGearIC Class : InvertBlackImage Method

page: 1-bit ImGearPage object to apply the method to.

percentOfBlack: Minimum necessary percentage of black pixels on the image to trigger auto-inversion.

Inverts the page if the percentage of black pixels is higher than the specified parameter.

Syntax

Visual Basic

Managed Extensions for C++

C++/CLI

'Declaration
 
Public Shared Sub InvertBlackImage( _
   ByVal page As ImGearPage, _
   ByVal percentOfBlack As Integer _
)

'Usage
 
Dim page As ImGearPage
Dim percentOfBlack As Integer
 
ImGearIC.InvertBlackImage(page, percentOfBlack)

public static void InvertBlackImage( 
   ImGearPage page,
   int percentOfBlack
)

public: static void InvertBlackImage( 
   ImGearPage* page,
   int percentOfBlack
)

public:
static void InvertBlackImage( 
   ImGearPage^ page,
   int percentOfBlack
)

Parameters

page: 1-bit ImGearPage object to apply the method to.
percentOfBlack: Minimum necessary percentage of black pixels on the image to trigger auto-inversion.

Remarks

Method takes 1-bit ImGearPage and a percent of black pixels' parameter and inverts all the pixel values if the percentage of black pixels is higher than the specified parameter.

Example

C#	Copy Code
// Invert the image if over 50% of the pixels are black. ImGearIC.InvertBlackImage(igPage, 50);

Visual Basic	Copy Code
' Invert the image if over 50% of the pixels are black. ImGearIC.InvertBlackImage(igPage, 50)

Syntax

Parameters

Remarks

Example

See Also

Reference