Edit

Share via

WICGifImageDescriptorProperties enumeration (wincodec.h)

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

Syntax

typedef enum WICGifImageDescriptorProperties {
  WICGifImageDescriptorLeft = 0x1,
  WICGifImageDescriptorTop = 0x2,
  WICGifImageDescriptorWidth = 0x3,
  WICGifImageDescriptorHeight = 0x4,
  WICGifImageDescriptorLocalColorTableFlag = 0x5,
  WICGifImageDescriptorInterlaceFlag = 0x6,
  WICGifImageDescriptorSortFlag = 0x7,
  WICGifImageDescriptorLocalColorTableSize = 0x8,
  WICGifImageDescriptorProperties_FORCE_DWORD = 0x7fffffff
} ;

Constants

 
WICGifImageDescriptorLeft
Value: 0x1
[VT_UI2] Indicates the X offset at which to locate this frame within the logical screen.
WICGifImageDescriptorTop
Value: 0x2
[VT_UI2] Indicates the Y offset at which to locate this frame within the logical screen.
WICGifImageDescriptorWidth
Value: 0x3
[VT_UI2] Indicates width of this frame, in pixels.
WICGifImageDescriptorHeight
Value: 0x4
[VT_UI2] Indicates height of this frame, in pixels.
WICGifImageDescriptorLocalColorTableFlag
Value: 0x5
[VT_BOOL] Indicates the local color table flag. TRUE if global color table is present; otherwise, FALSE.
WICGifImageDescriptorInterlaceFlag
Value: 0x6
[VT_BOOL] Indicates the interlace flag. TRUE if image is interlaced; otherwise, FALSE.
WICGifImageDescriptorSortFlag
Value: 0x7
[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
Value: 0x8
[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.
WICGifImageDescriptorProperties_FORCE_DWORD
Value: 0x7fffffff

Requirements

Requirement Value
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