QPix Command Reference
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QPxObs_GetImporterQuality(importerRef; drawingQuality):error | |||
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importerRef | Longint | Reference to a graphics importer instance |
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drawingQuality | Longint | Drawing quality |
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error | Longint | Error result |
This command is preserved in QPix v3 for backward compatibility reasons. The graphics importer quality has no meaning in QPix v3 and later.
Returns the current value of the drawing quality property of 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.
Drawing quality is returned as a value in drawingQuality in the range of 0..1024. Some graphics importers ignore this value to improve performance.
QPix defines the following drawing quality constants:
qpx_MinQuality | 0 | Minimal quality |
qpx_LowQuality | 256 | Low quality |
qpx_NormalQuality | 512 | Normal quality |
qpx_HighQuality | 768 | High quality |
qpx_MaxQuality | 1023 | Maximum quality |
qpx_LosslessQuality | 1024 | Lossless quality |
Example
`Get quality C_LONGINT($error) C_LONGINT(gQPixImporter;$quality) $error:=QPx_GetImporterQuality (gQPixImporter;$quality) If ($error#qpx_noErr) `Handle the error End if |
Related commands
QPxObs_SetImporterQuality | Sets the drawing quality property of a graphics importer (obsolete) |