GXCalcPixMapColorTable

Creates a color table containing an approximation of the most significant colors in the pixmap.

    GSErr GXCalcPixMapColorTable (
      GSPixMapHandle   pixMapH,
      UInt32           numDesiredColor,
      DESC*            colortab
    );

Parameters

pixMapH

The pixmap to be queried.

numDesiredColor

The returned color table contains at most numDesiredColor number of colors.

colortab

Initialized by the function to be a DESC of GS_RGBColor. It is filled by the approximation of the most significant colors of the pixmap. Contains no more than 32769 or numDesiredColor number of colors.

Return Values

If the function succeeds, the return value is NoError. If the function fails, the return value is the error code.

Requirements

Version:

GX 10 or later

Header:

Graphics2D.h

Import Library:

GXImp.lib

Module:

GX.dll [WIN], GX.framework [MAC]

See Also

Graphics functions