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TRSGPPixelOffsetMode Enumeration

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Specifies the pixel offset mode of a GDI+ canvas

Namespace: RSGdiPlusGraphicsTypes

Delphi

type 
  TRSGPPixelOffsetMode = ( 
  pomInvalid = -1, 
  pomDefault = 0, 
  pomHighSpeed, 
  pomHighQuality, 
  pomNone,  
  pomHalf  
  ); 
 

 

Name

Description

public enummember

pomDefault

Equivalent to pomNone.

public enummember

pomHalf

Indicates that pixel centers have coordinates that are half way between integer values.

public enummember

pomHighQuality

Equivalent to pomHalf.

public enummember

pomHighSpeed

Equivalent to pomNone.

public enummember

pomInvalid

Used internally to GDI+.

public enummember

pomNone

Indicates that pixel centers have integer coordinates.

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Consider the pixel in the upper-left corner of an image with address (0, 0). With pomNone, the pixel covers the area between –0.5 and 0.5 in both the x and y directions; that is, the pixel center is at (0, 0). With pomHalf, the pixel covers the area between 0 and 1 in both the x and y directions; that is, the pixel center is at (0.5, 0.5).

Reference

•RSGdiPlusGraphicsTypes

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