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WICPngHistProperties enumeration (wincodec.h)

  • Article

Specifies the Portable Network Graphics (PNG) hIST chunk metadata properties.

Syntax

typedef enum WICPngHistProperties {
  WICPngHistFrequencies = 0x1,
  WICPngHistProperties_FORCE_DWORD = 0x7fffffff
} ;

Constants

 
WICPngHistFrequencies
Value: 0x1
[VT_VECTOR		 VT_UI2] Indicates the approximate usage frequency of each color in the color palette.
WICPngHistProperties_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