- DS.Documents.Html Assembly
-
DS.Documents.Imaging Assembly
- GrapeCity.Documents.Common
- GrapeCity.Documents.Drawing
- GrapeCity.Documents.Imaging.Exif
-
GrapeCity.Documents.Imaging
-
Classes
- BaseInplaceEffect
- BilevelBitmap
- BitmapRenderer
- BradleyThresholdingEffect
- BrightnessContrastEffect
- ColorMatrix5x4
- DitheringEffect
- EllipticFigure
- FreeFormPolygon
- GammaCorrectionEffect
- GaussianBlurEffect
- GcBitmap
- GcBitmapGraphics
- GcBitmapGraphics.Path
- GcGifReader
- GcGifWriter
- GcIco
- GcTiffReader
- GcTiffWriter
- GifFrame
- GraphicsPath
- GrayscaleBitmap
- GrayscaleEffect
- HueRotationEffect
- IcoFrame
- Indexed4bppBitmap
- Indexed8bppBitmap
- LuminanceToAlphaEffect
- OpacityEffect
- OtsuThresholdingEffect
- PathBuilder
- RectangularFigure
- Region
- RoundRectFigure
- SaturationEffect
- SepiaEffect
- TemperatureAndTintEffect
- TiffFrame
- TiffFrameSettings
- Structs
- Interfaces
- Enums
-
Classes
- GrapeCity.Documents.Layout.Composition
- GrapeCity.Documents.Layout
- GrapeCity.Documents.Svg
- GrapeCity.Documents.Text
- DS.Documents.Imaging.Skia Assembly
- DS.Documents.Imaging.Windows Assembly
GrapeCity.Documents.Imaging.GrayscaleBitmap
GrayscaleBitmap Class
Represents a grayscale image or transparency mask with 8 bits per pixel.
Namespace: GrapeCity.Documents.Imaging
Assembly: DS.Documents.Imaging.dll
Syntax
public class GrayscaleBitmap : IImage, IDisposablePublic Class GrayscaleBitmap
Implements IImage, IDisposableConstructors
| Name | Description |
|---|---|
| GrayscaleBitmap(byte[], int, int, bool, bool, float, float) | Initializes a new instance of the GrayscaleBitmap class and sets the existing pixel data to be read/modified in-place. |
| GrayscaleBitmap(int, int, bool, bool, float, float) | Initializes a new instance of the GrayscaleBitmap class. |
| GrayscaleBitmap(IntPtr, int, int, bool, bool, float, float) | Initializes a new instance of the GrayscaleBitmap class and sets the existing pixel data to be read/modified in-place. |
Properties
| Name | Description |
|---|---|
| DpiX | Gets the horizontal dpi of the bitmap. |
| DpiY | Gets the vertical dpi of the bitmap. |
| ExifProfile | Gets or sets an instance of ExifProfile with Exif metadata of the image. |
| IccProfileData | Gets or sets the raw ICC profile data. |
| IsDisposed | Gets a value indicating whether the GrayscaleBitmap has been disposed of. |
| this[int, int] | Gets or sets a pixel value (from 0 to 255) at the specified coordinates. |
| PixelHeight | Gets the pixel height of the image. |
| PixelWidth | Gets the pixel width of the image. |
| RawData | Gets a pointer to the internal binary data. |
| Rotation | Gets the flip and rotate transformations that must be applied to the image. |
| TransparencyMask | Gets or sets a value indicating whether the image is used to define an irregularly shaped region of another image. |
| WhiteIsZero | Gets or sets a value specifying whether 0 represents white and 255 represents black (if true) or vice versa (if false). |
Methods
| Name | Description |
|---|---|
| AdjustLevels(int, int, int, int, float) | Adjusts the levels of an image histogram. The method maps the input range of values (blackPoint..whitePoint) to the output range (outputBlack..outputWhite) using the specified gamma correction (midtone). |
| ApplyGaussianBlur(byte, int, GaussianBlurBorderMode) | Applies a Gaussian blur to this GrayscaleBitmap. |
| ApplyGaussianBlur(int, GaussianBlurBorderMode) | Applies a Gaussian blur to this GrayscaleBitmap. |
| ApplyGlow(int, int) | When applied to a grayscale mask built from a color image using the ToGrayscaleBitmap(ColorChannel, bool) method, modifies it so that the result can be used as a transparency mask to produce Glow or Soft Edges effect. |
| ApplyLicenseKey(string) | Applies a license key to an instance of GrayscaleBitmap. |
| AutoContrast() | Modifies pixel intensities such that available range of values (0..255) is fully covered. |
| AutoContrast(float, float) | Modifies pixel intensities, clipping extremely low and extremely high values, such that available range of values (0..255) is fully covered. |
| Clear(int) | Clears the GrayscaleBitmap with the specified value (from 0 to 255). |
| Clear(int, Rectangle) | Clears the GrayscaleBitmap with the specified value (from 0 to 255). |
| Clip(Rectangle, bool) | Creates a new GrayscaleBitmap with a fragment of the image. |
| Clone(bool, bool) | Creates a new GrayscaleBitmap with a copy of the image. |
| Dispose() | Clean up any resources being used. |
| Dispose(bool) | Performs cleanup operations on managed and unmanaged resources. |
| InvertColors() | Inverts the pixel colors from black to white and vice versa. |
| SetDpi(float) | Changes the physical resolution of the image. |
| SetDpi(float, float) | Changes the physical resolution of the image. |
| ShrinkPixelFormat(int, DitheringMethod) | Changes pixel format from 8 bits per pixel to lower value with two-dimensional error diffusion. |
| ToGcBitmap() | Creates an instance of the GcBitmap class from the current GrayscaleBitmap. |
| ToGcBitmap(GcBitmap, bool) | Copies the image into an existing instance of GcBitmap. |
| ToShadowBitmap(GcBitmap, Color, float, bool) | Converts an existing instance of GcBitmap to a semi-transparent bitmap representing the current GrayscaleBitmap. This method treats the current GrayscaleBitmap as a transparency mask, regardless of the TransparencyMask property value. |
| ToShadowBitmap(Color, float, bool) | Creates a semi-transparent GcBitmap from the current GrayscaleBitmap. This method treats the current GrayscaleBitmap as a transparency mask, regardless of the TransparencyMask property value. |