PDFGray8RenderingSurface¶

Namespace: O2S.Components.PDF4NET.Rendering.RenderingSurfaces

Defines a Gray8 rendering surface that uses an array of bytes as storage.

public class PDFGray8RenderingSurface : PDFByteRenderingSurface, O2S.Components.PDF4NET.Content.IImageDataProvider, IMaskRenderingSurface

Inheritance Object → PDFRenderingSurface → PDFByteRenderingSurface → PDFGray8RenderingSurface
Implements IImageDataProvider, IMaskRenderingSurface

Fields¶

Constructors¶

PDFGray8RenderingSurface()¶

Initializes a new PDFGray8RenderingSurface object with an empty storage.

public PDFGray8RenderingSurface()

PDFGray8RenderingSurface(Int32, Int32)¶

Initializes a new PDFGray8RenderingSurface object.

public PDFGray8RenderingSurface(int width, int height)

Parameters

width Int32
Surface width.

height Int32
Surface height.

PDFGray8RenderingSurface(Int32, Int32, Int32, Int32)¶

Initializes a new PDFGray8RenderingSurface object.

public PDFGray8RenderingSurface(int x, int y, int width, int height)

Parameters

x Int32

y Int32

width Int32
Surface width.

height Int32
Surface height.

Properties¶

Bitmap¶

Gets the surface storage.

public Byte[] Bitmap { get; }

Property Value

Byte[]
Array of ints that stores the page image in ARGB format.

Height¶

Gets or sets the surface height.

public int Height { get; }

Property Value

Int32
The height of the surface in pixels.

MaskBitmap¶

This property supports the internal library infrastructure.

public object MaskBitmap { get; }

Property Value

Object

Width¶

Gets the surface width.

public int Width { get; }

Property Value

Int32
The width of the surface in pixels.

Methods¶

Adjust(Byte)¶

This method supports the internal library infrastructure.

public void Adjust(byte alpha)

Parameters

alpha Byte

ApplyTransferFunction(PDFFunction)¶

This method supports the internal library infrastructure.

public void ApplyTransferFunction(PDFFunction transferFunction)

Parameters

transferFunction PDFFunction

Expand(BoundingBox)¶

This method supports the internal library infrastructure.

public IMaskRenderingSurface Expand(BoundingBox expandBounds)

Parameters

expandBounds BoundingBox

Returns

IMaskRenderingSurface

Extract(BoundingBox)¶

This method supports the internal library infrastructure.

public IMaskRenderingSurface Extract(BoundingBox extractBounds)

Parameters

extractBounds BoundingBox

Returns

IMaskRenderingSurface

GetIndexForPixel(Int32, Int32, Int32, Int32, Int32)¶

This method supports the internal library infrastructure.

public int GetIndexForPixel(int x, int y, int xOrigin, int yOrigin, int width)

Parameters

x Int32

y Int32

xOrigin Int32

yOrigin Int32

width Int32

Returns

Int32

GetMaskLine(Int32, Int32)¶

This method supports the internal library infrastructure.

public Byte[] GetMaskLine(int y, int yOrigin)

Parameters

y Int32

yOrigin Int32

Returns

Byte[]

GetMaskRenderer()¶

public object GetMaskRenderer()

Returns

Object

Merge(IMaskRenderingSurface, BoundingBox)¶

This method supports the internal library infrastructure.

public IMaskRenderingSurface Merge(IMaskRenderingSurface topMask, BoundingBox mergeBounds)

Parameters

topMask IMaskRenderingSurface

mergeBounds BoundingBox

Returns

IMaskRenderingSurface

Merge(IMaskRenderingSurface, IMaskRenderingSurface, BoundingBox)¶

This method supports the internal library infrastructure.

public IMaskRenderingSurface Merge(IMaskRenderingSurface _topMask, IMaskRenderingSurface _mergedMask, BoundingBox mergeBounds)

Parameters

_topMask IMaskRenderingSurface

_mergedMask IMaskRenderingSurface

mergeBounds BoundingBox

Returns

IMaskRenderingSurface

Union(IMaskRenderingSurface, IMaskRenderingSurface)¶

This method supports the internal library infrastructure.

public IMaskRenderingSurface Union(IMaskRenderingSurface _mask1, IMaskRenderingSurface _mask2)

Parameters

_mask1 IMaskRenderingSurface

_mask2 IMaskRenderingSurface

Returns

IMaskRenderingSurface