QPix Command Reference

Acquisition

QPix v2 provided simple acquisition of pictures through the TWAIN standard. In QPix v3 the acquisition capabilities have been greatly expanded to support all modern image acquisition standards:

TWAIN

TWAIN is a specification that is commonly used for interfacing applications with scanners and other imaging devices. Available on all platforms: MacOS 8/9 and X, Windows 98, 2000, ME and XP.

MacOS X Image Capture

The standard method for interfacing applications with digital cameras on MacOS X. Image Capture is an implementation of the Picture Transfer Protocol (PTP), a standard defined by the Photographic and Imaging Manufacturers Association (PIMA).

Windows Image Acquisition

The standard method for interfacing applications with digital cameras on Windows. WIA is also an implementation of the Picture Transfer Protocol. Available on Windows ME and XP.

QuickTime Video

The standard method for interfacing applications with video cameras on MacOS. Available on all versions of MacOS.

DirectShow Video

The standard method for interfacing applications with video cameras on Windows. Available on all versions of Windows.

Protocols

In QPix v3 all above acquisition standards are organized into 3 acquisition protocols:

Features

QPix v3 also introduces new acquisition features and options that were not available in v2:

Programming interface

All acquisition protocols and features are accessible via a small set of QPix commands:

QPx_AcqTestProtocol Tests if an acquisition protocol is available on the current machine and OS
QPx_AcqGetDeviceList Returns all devices that are available through a specific acquisition protocol.
QPx_AcqSelectDevice Displays the acquisition protocol and device selection dialog.
QPx_AcqGetPicture Acquires a single image into a 4D picture variable.
QPx_AcqGetSingleImage Acquires a single image to a disk file.
QPx_AcqGetMultipleImages Acquires multiple images to disk files.
QPx_AcqRunSession Runs an acquisition session.
QPx_AcqSetImageFolder Specifies the location where acquired images are stored
QPx_AcqGetImageFolder Returns the location where acquired images are stored
QPx_AcqSetNotificationHandler Specifies the device notification handler
QPx_AcqGetNotificationHandler Returns the device notification handler

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