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The PixelOffsetMode enumeration specifies the pixel offset mode of a Graphics object. This enumeration is used by the Graphics::GetPixelOffsetMode and Graphics::SetPixelOffsetMode methods of the Graphics class.
Syntax
typedef enum PixelOffsetMode {
PixelOffsetModeInvalid,
PixelOffsetModeDefault,
PixelOffsetModeHighSpeed,
PixelOffsetModeHighQuality,
PixelOffsetModeNone,
PixelOffsetModeHalf
} ;
Constants
PixelOffsetModeInvalidUsed internally. |
PixelOffsetModeDefaultEquivalent to PixelOffsetModeNone. |
PixelOffsetModeHighSpeedEquivalent to PixelOffsetModeNone. |
PixelOffsetModeHighQualityEquivalent to PixelOffsetModeHalf. |
PixelOffsetModeNoneIndicates that pixel centers have integer coordinates. |
PixelOffsetModeHalfIndicates that pixel centers have coordinates that are half way between integer values. |
Remarks
Consider the pixel in the upper-left corner of an image with address (0, 0). With PixelOffsetModeNone, 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 PixelOffsetModeHalf, 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).
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP, Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Header | gdiplusenums.h (include Gdiplus.h) |