The ItemDataPosition enumeration is used to specify the location of custom metadata in an image file.

 

C++ Syntax

 

typedef enum {

ItemDataPositionAfterHeader = 0x0,

ItemDataPositionAfterPalette = 0x1,

ItemDataPositionAfterBits = 0x2

} ItemDataPosition;

 

FreeBASIC 语法

 

enum

ItemDataPositionAfterHeader = 0

ItemDataPositionAfterPalette = 1

ItemDataPositionAfterBits = 2

end enum

 

常数

 

ItemDataPositionAfterHeader

 

Specifies that custom metadata is stored after the file header. Valid for JPEG, PNG, and GIF.

 

ItemDataPositionAfterPalette

 

Specifies that custom metadata is stored after the palette. Valid for PNG.

 

ItemDataPositionAfterBits

 

Specifies that custom metadata is stored after the pixel data. Valid for GIF and PNG.

 

备注

 

GDI+ supports custom metadata for JPEG, PNG, and GIF image files.