Marblecore Imaging Library Documentation

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Documentation Introduction

Getting started
Methods
Properties
Enumerations
- Alignment
- Anchor
- Cap
- Channel
- ColorType
- Dash
- Fill
- Format
- Gradient
- Mask
- Offset
- Orientation
- Pen
- Resample
- Resize
- Rotation
- State
- Thumbnail
- Tone
- Video
Categories
- Basic operations
  - Create
  - Deserialize
  - LoadFromBase64
  - LoadFromFile
  - LoadFromSerializedStream
  - LoadFromStream
  - LoadFromURL
  - Reset
  - SaveToBase64
  - SaveToFile
  - SaveToHBitmap
  - SaveToHBitmapPreMultiplied
  - SaveToStream
  - Serialize
- Captcha
  - CaptchaCreate
  - CaptchaPhrase
- Color adjustments
  - AdjustBrightness
  - AdjustColorBalance
  - AdjustColorLevel
  - AdjustContrast
  - AdjustGamma
  - AdjustHue
  - AdjustHueSaturation
  - AdjustLightness
  - AdjustRGB
  - AdjustSaturation
- Color conversion
  - GetColorFromCMYK
  - GetColorFromHTML
  - GetColorFromRGB
- Color transformations
  - AutoColorEnhance
  - AutoColorLevel
  - AutoContrast
  - Channel
  - ColorOverlay
  - ColorTone
  - Desaturate
  - Dither
  - Grayscale
  - Invert
  - RedEyeCorrection
  - Sepia
  - Tint
- Drawing
  - DrawArc
  - DrawArrow
  - DrawBackground
  - DrawBezier
  - DrawCheckerboard
  - DrawCurve
  - DrawCurveBorder
  - DrawCurveFilled
  - DrawCurveGradient
  - DrawEllipse
  - DrawEllipseBorder
  - DrawEllipseFilled
  - DrawEllipseGradient
  - DrawFloodFill
  - DrawLine
  - DrawPie
  - DrawPieBorder
  - DrawPieFilled
  - DrawPieGradient
  - DrawPixel
  - DrawPolygon
  - DrawPolygonBorder
  - DrawPolygonFilled
  - DrawPolygonGradient
  - DrawRectangle
  - DrawRectangleBorder
  - DrawRectangleFilled
  - DrawRectangleGradient
  - DrawRectangleTransparent
  - DrawRhombus
  - DrawRhombusBorder
  - DrawRhombusFilled
  - DrawRhombusGradient
  - DrawRoundRectangle
  - DrawRoundRectangleBorder
  - DrawRoundRectangleFilled
  - DrawRoundRectangleGradient
  - DrawTriangle
  - DrawTriangleBorder
  - DrawTriangleFilled
  - DrawTriangleGradient
  - GetPixelColor
  - LineTo
  - MoveTo
- Effects
  - EffectBorder
  - EffectButton
  - EffectColorOverlay
  - EffectInnerBevel
  - EffectInnerGlow
  - EffectMask
  - EffectOuterGlow
  - EffectShadow
  - EffectSoftenBorder
- EXIF properties
  - GetExif
  - GetExifCameraMakerFromFile
  - GetExifCameraModelFromFile
  - GetExifCompressedBitsPerPixelFromFile
  - GetExifCompressionFromFile
  - GetExifCopyrightFromFile
  - GetExifDateTakenFromFile
  - GetExifExposureBiasFromFile
  - GetExifExposureTimeFromFile
  - GetExifFlashEnergyFromFile
  - GetExifFlashModeFromFile
  - GetExifFocalLengthFromFile
  - GetExifFromFile
  - GetExifFromInfo
  - GetExifFStopFromFile
  - GetExifHorizontalResolutionFromFile
  - GetExifISOSpeedFromFile
  - GetExifLightSourceFromFile
  - GetExifMaxApertureFromFile
  - GetExifMeteringModeFromFile
  - GetExifOrientationFromFile
  - GetExifProgramModeFromFile
  - GetExifResolutionUnitFromFile
  - GetExifSubjectDistanceFromFile
  - GetExifVersionFromFile
  - GetExifVerticalResolutionFromFile
  - ExifCameraMaker
  - ExifCameraMakerFromInfo
  - ExifCameraModel
  - ExifCameraModelFromInfo
  - ExifCompressedBitsPerPixel
  - ExifCompressedBitsPerPixelFromInfo
  - ExifCompression
  - ExifCompressionFromInfo
  - ExifCopyright
  - ExifCopyrightFromInfo
  - ExifDateTaken
  - ExifDateTakenFromInfo
  - ExifExposureBias
  - ExifExposureBiasFromInfo
  - ExifExposureTime
  - ExifExposureTimeFromInfo
  - ExifFlashEnergy
  - ExifFlashEnergyFromInfo
  - ExifFlashMode
  - ExifFlashModeFromInfo
  - ExifFocalLength
  - ExifFocalLengthFromInfo
  - ExifFStop
  - ExifFStopFromInfo
  - ExifHorizontalResolution
  - ExifHorizontalResolutionFromInfo
  - ExifISOSpeed
  - ExifISOSpeedFromInfo
  - ExifLightSource
  - ExifLightSourceFromInfo
  - ExifMaxAperture
  - ExifMaxApertureFromInfo
  - ExifMeteringMode
  - ExifMeteringModeFromInfo
  - ExifOrientation
  - ExifOrientationFromInfo
  - ExifProgramMode
  - ExifProgramModeFromInfo
  - ExifResolutionUnit
  - ExifResolutionUnitFromInfo
  - ExifSubjectDistance
  - ExifSubjectDistanceFromInfo
  - ExifVersion
  - ExifVersionFromInfo
  - ExifVerticalResolution
  - ExifVerticalResolutionFromInfo
- File operations
  - FileConvert
  - FileCrop
  - FileExpand
  - FileFlipHorizontal
  - FileFlipVertical
  - FileResize
  - FileRotate
  - FileRotateLeft
  - FileRotateRight
  - FileShrink
  - FileThumbnail
- File properties
  - GetFileExtensionFromFile
  - GetFileExtensionFromFormat
  - GetFileFolderFromFile
  - GetFileFromFormat
  - GetFileNameFromFile
  - GetFileWithoutFolderFromFile
  - FileExtension
  - FileExtensionFromInfo
  - FileFolder
  - FileFolderFromInfo
  - FileName
  - FileNameFromInfo
  - FilePath
  - FilePathForWeb
  - FilePathFromInfo
  - FileWithoutFolder
  - FileWithoutFolderForWeb
  - FileWithoutFolderFromInfo
- Filters
  - Artistic
  - Blur
  - Color
  - Distortion
  - Light
  - Noise
  - Other
  - Sharpen
  - Textures
  - Video
    - FilterVideo
- Fonts
  - LoadFont
  - ReleaseFont
  - ResetFont
  - SetFont
  - FontAlignment
  - FontAntiAliasing
  - FontBold
  - FontColor
  - FontFace
  - FontItalic
  - FontOpacity
  - FontRotation
  - FontSize
  - FontStrikeout
  - FontUnderline
- Histogram
  - GetHistogramAverage
  - GetHistogramCount
  - GetHistogramMean
  - GetHistogramPercentile
  - GetHistogramPixels
  - InsertHistogram
  - LoadHistogramFromBase64
  - LoadHistogramFromFile
  - LoadHistogramFromSerializedStream
  - LoadHistogramFromStream
  - LoadHistogramFromURL
  - SaveHistogramToFile
  - SaveHistogramToImage
  - SaveHistogramToSerializedStream
  - SaveHistogramToStream
- Insert
  - InsertFromBase64
  - InsertFromFile
  - InsertFromSerializedStream
  - InsertFromStream
  - InsertFromURL
- Licensing
  - LicenseVerify
  - LicenseCode
  - LicenseDateCreated
  - LicenseDateExpired
  - LicenseDateRenewed
  - LicenseExpired
  - LicenseName
  - LicenseProduct
  - LicenseProductKey
  - LicenseProductVersion
  - LicensePublisher
  - LicenseReference
  - LicenseValid
- Lossless transformations
  - LosslessCrop
  - LosslessFlipHorizontal
  - LosslessFlipVertical
  - LosslessRotate
  - LosslessRotateLeft
  - LosslessRotateRight
- Masking
  - Mask
  - MaskOverlayFromBase64
  - MaskOverlayFromFile
  - MaskOverlayFromSerializedStream
  - MaskOverlayFromStream
  - MaskOverlayFromURL
- Pen
  - SetPen
  - PenAntiAliasing
  - PenCap
  - PenColor
  - PenOpacity
  - PenStyle
  - PenWidth
- Properties
  - GetBase64String
  - GetBitsPerPixelFromFile
  - GetFormatAsStringFromFile
  - GetFormatFromFile
  - GetFormatFromString
  - GetFramesFromFile
  - GetGUID
  - GetHasMultipleFramesFromFile
  - GetHeightFromFile
  - GetInfoFromFile
  - GetInfoFromURL
  - GetIsAnimatedFromFile
  - GetIsCMYKFromFile
  - GetIsSupportedFromFile
  - GetMegaPixelsFromFile
  - GetMIMEFromFile
  - GetMIMEFromFormat
  - GetWidthFromFile
  - SetBackgroundColor
  - SetFormat
  - SetFormatDefault
  - SetPixel
  - SetTransparency
  - BackgroundColor
  - BackgroundOpacity
  - BitsPerPixel
  - BitsPerPixelFromInfo
  - ColorCount
  - CursorX
  - CursorY
  - Format
  - FormatAsString
  - FormatAsStringFromInfo
  - FormatDefault
  - FormatFromInfo
  - FormatOriginal
  - FormatOriginalAsString
  - Frame
  - Frames
  - FramesFromInfo
  - HasMultipleFrames
  - HasMultipleFramesFromInfo
  - Height
  - HeightFromInfo
  - IsAnimated
  - IsAnimatedFromInfo
  - IsCMYK
  - IsCMYKFromInfo
  - IsConverted
  - IsJPEG
  - IsLoaded
  - IsSupported
  - IsSupportedFromInfo
  - IsSupportedOriginal
  - IsTransparent
  - JPEGProgressive
  - JPEGQuality
  - MegaPixels
  - MegaPixelsFromInfo
  - MIME
  - MIMEFromInfo
  - PixelCount
  - Transparency
  - WebFilter
  - Width
  - WidthFromInfo
- Text drawing
  - DrawTextInGradient
  - DrawTextInGradientUsingWarp
  - DrawTextInGradientWithBorder
  - DrawTextInGradientWithBorderAndShadow
  - DrawTextInGradientWithBorderAndShadowUsingWarp
  - DrawTextInGradientWithBorderUsingWarp
  - DrawTextInGradientWithShadow
  - DrawTextInGradientWithShadowUsingWarp
  - DrawTextNormal
  - DrawTextUsingWarp
  - DrawTextWithBorder
  - DrawTextWithBorderUsingWarp
  - DrawTextWithShadow
  - DrawTextWithShadowUsingWarp
  - GetTextHeight
  - GetTextWidth
- Transformations
  - Clear
  - Crop
  - Expand
  - FlipHorizontal
  - FlipVertical
  - Opacity
  - Resize
  - Rotate
  - RotateLeft
  - RotateRight
  - RoundEdges
  - Shear
  - Shrink
  - Skew
  - Straighten
  - Thumbnail
Examples
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GetHistogramAverage method

Retrieves the average color value for the specified channel of the histogram range.

Syntax

Number (floating point) GetHistogramAverage(nRangeFrom As Number, nRangeTo As Number, nChannel As Channel)

Return value

Returns a floating point number containing the average color value.

Parameters

Parameter	Type	Required	Description
nRangeFrom	Number	No	Optional parameter which specifies the left boundary of the range.
nRangeTo	Number	No	Optional parameter which specifies the right boundary of the range.
nChannel	Channel (Enumeration)	No	Optional parameter which specifies the color channel.

Marblecore Imaging Library Documentation

GetHistogramAverage method

Syntax

Return value

Parameters

Category

See also