QPx_GetImporterImageDepth

QPx_GetImporterImageDepth(importerRef; pixelDepth):error
importerRef Longint Reference to a graphics importer instance
pixelDepth Longint Pixel depth
error Longint Error result

Returns the pixel depth of the image associated with a graphics importer instance.

The graphics importer instance is specified by importerRef. If importerRef does not refer to an existing graphics importer instance, the qpx_paramErr error code is returned.

Pixel depth is returned in pixelDepth. Possible values returned in the pixelDepth parameter are:

qpx_BlackAndWhite 1 Black and white
qpx_FourColors 2 Four colors
qpx_SixteenColors 4 Sixteen colors
qpx_TwoHundredFiftySixColors 8 256 colors
qpx_ThousandsColors 16 Thousands of colors
qpx_MillionColors 24 Million of colors
qpx_MillionColorsPlusAlpha 32 Million of colors plus alpha
qpx_FourGrays 34 Four grays
qpx_SixteenGrays 36 Sixteen grays
qpx_TwoHundredFiftySixGrays 40 256 grays

Example

  `Get pixel depth
 
C_LONGINT($error)
C_LONGINT($pixelDepth)
 
C_LONGINT(gQPixImporter)
 
$error:=QPx_GetImporterImageDepth (gQPixImporter;$pixelDepth)
 
If ($error#qpx_noErr)
   `Handle the error
End if

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