Symbol PDT 8100 Series Product Reference Manual page 340

PDT 8100 Series with Windows Mobile 2003 Software for Pocket PCs Product Reference Guide
Field
ViewFInder
Framerate
Fix Aspect Ratio
Crop Style
C-14
Table C-3. VFCap Fields
Enables and disables the viewfinder.
Indicates the current frame rate of the viewfinder in
frames per second.
The allowed value is 0 and cannot be changed.
Specifies if the aspect ratio of the viewfinder image
is forced to match that of the acquired image.
The aspect ratio of the viewfinder window is
defined by VF Origin Width and Height.
The aspect ratio of the imaging device is defined by
the Native Res X and Y coordinates (see DEVCap
fields).
If Fix Aspect Ratio is enabled, the acquired image
is proportionally scaled so that it fits into the
viewfinder window. The viewfinder window is not
completely filled with image data if the viewfinder
window aspect ratio does not match the device
aspect ratio.
If Fix Aspect Ratio is disabled, the acquired image
is scaled, disproportionately if necessary, to
completely fill the viewfinder scale rectangle.
The default value is Disabled. Allowed values are
Enabled or Disabled.
Specifies how the cropped area is displayed.
The default value is FILL. Allowed values are FILL,
DARKEN or FRAME.
• FILL: The viewfinder displays only the cropped
region.
• DARKEN: The whole image is displayed and
everything outside the cropped region is
darkened.
• FRAME: The whole image is displayed and
the cropped region is framed with a rectangle.
Description