Normal precision is usually sufficient for graphic output. If high precision is selected, the higher quality may be achieved at the expense of speed.
Member variable XbpPresSpace():mode Foundation
Adjusts precision of graphic output
Attribute: EXPORTED
Data type: Numeric (XBPPS_MODE_NORMAL)
Description
The instance variable is used to adjust the output precision of Gra..() functions. This can be necessary for scaled graphic output caused by a changed viewport or a transformation matrix, for example. With normal precision it is possible that scaled output does not appear at the exact position and/or size in the device context. If this is the case, the drawing precision must be raised to a higher level.
#define constants listed in GRA.CH must be used for this instance variable.
Constants for :mode
| Constant | Description |
|---|---|
| XBPPS_MODE_NORMAL *) | Normal precision |
| XBPPS_MODE_HIGH_PRECISION | High precision |
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