EmfAlphaBlend

EmfAlphaBlend class

The EMR_ALPHABLEND record specifies a block transfer of pixels from a source bitmap to a destination rectangle, including alpha transparency data, according to a specified blending operation.

public sealed class EmfAlphaBlend : EmfBitmapRecordType

Constructors

Name Description
EmfAlphaBlend(EmfRecord) Initializes a new instance of the EmfAlphaBlend class.

Properties

Name Description
BkSrcArgb32Color { get; set; } Gets or sets a WMF ColorRef object ([MS-WMF] section 2.2.2.8 that specifies the background color of the source bitmap.
BlendFunction { get; set; } Gets or sets a structure that specifies the blending operations for source and destination bitmaps
Bounds { get; set; } Gets or sets a WMF RectL object ([MS-WMF] section 2.2.2.19) that defines the destination bounding rectangle in device units.
CxDest { get; set; } Gets or sets a 32-bit signed integer that specifies the logical width of the destination rectangle. This value MUST be greater than zero.
CxSrc { get; set; } Gets or sets a 32-bit signed integer that specifies the logical width of the source rectangle. This value MUST be greater than zero.
CyDest { get; set; } Gets or sets a 32-bit signed integer that specifies the logical height of the destination rectangle. This value MUST be greater than zero.
CySrc { get; set; } Gets or sets a 32-bit signed integer that specifies the logical height of the source rectangle. This value MUST be greater than zero.
Size { get; set; } Gets or sets the size of the record
SourceBitmap { get; set; } Gets or sets a buffer containing the source bitmap, which is not required to be contiguous with the fixed portion of the EMR_ALPHABLEND record. Accordingly, fields in this buffer that are labeled “UndefinedSpace” are optional and MUST be ignored.
Type { get; set; } Gets or sets the type.
UsageSrc { get; set; } Gets or sets a 32-bit unsigned integer that specifies how to interpret values in the color table in the source bitmap header. This value MUST be in the DIBColors enumeration (section 2.1.9).
XDest { get; set; } Gets or sets a 32-bit signed integer that specifies the logical x-coordinate of the upper-left corner of the destination rectangle.
XformSr { get; set; } Gets or sets an XForm object (section 2.2.28) that specifies a world-space to page-space transform to apply to the source bitmap.
XSrc { get; set; } Gets or sets a 32-bit signed integer that specifies the logical x-coordinate of the upper-left corner of the source rectangle.
YDest { get; set; } Gets or sets a 32-bit signed integer that specifies the logical y-coordinate of the upper-left corner of the destination rectangle.
YSrc { get; set; } Gets or sets a 32-bit signed integer that specifies the logical y-coordinate of the upper-left corner of the source rectangle.

See Also