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WICGifImageDescriptorProperties enumeration

Specifies the image descriptor metadata properties for Graphics Interchange Format (GIF) frames.

Syntax


typedef enum WICGifImageDescriptorProperties { 
  WICGifImageDescriptorLeft                 = 0x00000001,
  WICGifImageDescriptorTop                  = 0x00000002,
  WICGifImageDescriptorWidth                = 0x00000003,
  WICGifImageDescriptorHeight               = 0x00000004,
  WICGifImageDescriptorLocalColorTableFlag  = 0x00000005,
  WICGifImageDescriptorInterlaceFlag        = 0x00000006,
  WICGifImageDescriptorSortFlag             = 0x00000007,
  WICGifImageDescriptorLocalColorTableSize  = 0x00000008
} WICGifImageDescriptorProperties;

Constants

WICGifImageDescriptorLeft

[VT_UI2] Indicates the X offset at which to locate this frame within the logical screen.

WICGifImageDescriptorTop

[VT_UI2] Indicates the Y offset at which to locate this frame within the logical screen.

WICGifImageDescriptorWidth

[VT_UI2] Indicates width of this frame, in pixels.

WICGifImageDescriptorHeight

[VT_UI2] Indicates height of this frame, in pixels.

WICGifImageDescriptorLocalColorTableFlag

[VT_BOOL] Indicates the local color table flag. TRUE if global color table is present; otherwise, FALSE.

WICGifImageDescriptorInterlaceFlag

[VT_BOOL] Indicates the interlace flag. TRUE if image is interlaced; otherwise, FALSE.

WICGifImageDescriptorSortFlag

[VT_BOOL] Indicates the sorted color table flag. TRUE if the color table is sorted from most frequently to least frequently used color; otherwise, FALSE.

WICGifImageDescriptorLocalColorTableSize

[VT_UI1] Indicates the value used to calculate the number of bytes contained in the global color table.

To calculate the actual size of the color table, raise 2 to the value of the field + 1.

Requirements

Minimum supported client

Windows 7, Windows Vista with SP2 and Platform Update for Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 R2, Windows Server 2008 with SP2 and Platform Update for Windows Server 2008 [desktop apps only]

Header

Wincodec.h

IDL

Wincodec.idl

 

 

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