QPix Command Reference
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QPx_GetImporterImageRes(importerRef; hRes; vRes):error | |||
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importerRef | Longint | Reference to a graphics importer instance |
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hRes | Longint | Horizontal resolution |
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vRes | Longint | Vertical resolution |
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error | Longint | Error result |
Returns the horizontal and vertical resolution 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.
Horizontal resolution is returned in hRes and vertical resolution in vRes.
Example
`Get image resolution C_LONGINT($error) C_LONGINT($hRes;$vRes) C_LONGINT(gQPixImporter) $error:=QPx_GetImporterImageRes (gQPixImporter;$hRes;$vRes) If ($error#qpx_noErr) `Handle the error End if |