QPx_SetPictureResolution

QPx_SetPictureResolution(pictVar; hRes; vRes):error
	pictVar	Picture	Picture variable
	hRes	Longint	Horizontal resolution
	vRes	Longint	Vertical resolution
	error	Longint	Error result

Changes the horizontal and vertical resolution of a picture variable.

The source picture is passed in the pictVar parameter. The source picture may be compressed or uncompressed. The modified picture is also returned in the pictVar parameter and it is always uncompressed.

The horizontal and vertical resolutions are specified by the hRes and vRes parameters respectively.

Example

`Set picture res to 300 dpi

C_PICTURE($picture)
C_LONGINT($horzRes;$vertRes)
C_LONGINT($error)

$picture:=[Images]Picture
$horzRes:=300
$vertRes:=300

$error:=QPx_SetPictureResolution ($picture;$horzRes;$vertRes)

If ($error#qpx_noErr)
`Handle the error
End if