QPx_GetPictureInfo(pictVar; pictVar; pictVar; pictVar; pictVar; pictVar):error
pictVar Picture Picture variable
pictWidth Longint Image width in pixels
pictHeight Longint Image height in pixels
pixelDepth Longint Image depth
hRes Longint Horizontal image resolution in dots per inch (dpi)
vRes Longint Vertical image resolution in dots per inch (dpi)
error Longint Error result

Get the properties of a 4D picture variable

The source picture is passed in the pictVar parameter.

Image dimensions are returned in pictWidth and pictHeight, horizontal and vertical resolution in hRes and vRes and pixel depth in pixelDepth. Possible values for pixelDepth 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


   // Get picture info



$error:=QPx_GetPictureInfo ($picture;$width;$height;$depth;$hRes;$vRes)

If ($error=qpx_noErr)
      // Work with picture info
End if 

Related commands

QPx_GetCompressedPictureInfo Get information about a compressed picture (legacy or new)