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WICGifGraphicControlExtensionProperties enumeration (wincodec.h)

  • Článek

Specifies the graphic control extension metadata properties that define the transitions between each frame animation for Graphics Interchange Format (GIF) images.

Syntax

typedef enum WICGifGraphicControlExtensionProperties {
  WICGifGraphicControlExtensionDisposal = 0x1,
  WICGifGraphicControlExtensionUserInputFlag = 0x2,
  WICGifGraphicControlExtensionTransparencyFlag = 0x3,
  WICGifGraphicControlExtensionDelay = 0x4,
  WICGifGraphicControlExtensionTransparentColorIndex = 0x5,
  WICGifGraphicControlExtensionProperties_FORCE_DWORD = 0x7fffffff
} ;

Constants

 
WICGifGraphicControlExtensionDisposal
Value: 0x1
[VT_UI1] Indicates the disposal requirements. 0 - no disposal, 1 - do not dispose, 2 - restore to background color, 3 - restore to previous.
WICGifGraphicControlExtensionUserInputFlag
Value: 0x2
[VT_BOOL] Indicates the user input flag. TRUE if user input should advance to the next frame; otherwise, FALSE.
WICGifGraphicControlExtensionTransparencyFlag
Value: 0x3
[VT_BOOL] Indicates the transparency flag. TRUE if a transparent color in is in the color table for this frame; otherwise, FALSE.
WICGifGraphicControlExtensionDelay
Value: 0x4
[VT_UI2] Indicates how long to display the next frame before advancing to the next frame, in units of 1/100th of a second.
WICGifGraphicControlExtensionTransparentColorIndex
Value: 0x5
[VT_UI1] Indicates which color in the palette should be treated as transparent.
WICGifGraphicControlExtensionProperties_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