GdTwain Pro SDK control is an adept tool for the developers, which help them in displaying and acquiring images from the TWAIN devices, like cameras, scanner and capture cards. It provides complete control over image acquisition process, and displays images in superior quality viewer control. GdTwain Pro boasts of a cluster of handy features, which includes- automatic document feeder, scanner interface, image effects and filters, etc. The application also enables users controlling other Basic Device Configuration attributes, such as brightness, saturation, contrast, gamma, auto border removal, color depth, and many others. It supports multiple color depth, including 1bit, 4bits, 8bits till 64bits. GdTwain Pro associates Automatic Document Feeder that can be used for scanning from single to a large number of pages, and also includes duplex scanning.

For using GdTwain Pro SDK first you need to select source and proceed as per the onscreen instructions. Some of the basic options present on the interface included source SETUP, and unload source manager options to be used according to the requirements. Further, you can use the Basic Device Configuration to set the levels of Brightness, Contrast, enable Auto-Brightness, etc. You can enable/disable features that are negative, sepia, auto border removal, stretch contrasteffect and rotate 90˚ using ‘Some image filters/effects’ option. Enabling the ‘Preview’ feature, the image would be displayed with the provided viewer. It also features scanning one document to jpeg or pdf, or scaning all document feeder (ADF) into multipage TIFF image multipage or jpeg files. It also includes advanced text processing functions like add text along with semi transparency effect, and even draw rotated text. It also offers the feature to select pixel type for twain device, Gray color, B/W Color, CMYK color and RGB color. GdTwain Pro can even acquire images to FTP server.

GdTwain Pro SDK proves to be an excellent utility that assists the developers for acquiring and displaying the image, and alter various configurations for images and devices. GdTwain Pro is found worth to be rated at 3.5 points out of 5, for the sheer amount of times it saves in the development cycled.