SDK Overview
GdTwain Pro SDK is powerful an easy to use ActiveX component to control TWAIN devices such as scanners, digital cameras and capture cards. It
also provides a full featured Image Viewer control. With GdTwain Pro SDK you can fully control the image acquisition
process, scan images from an automatic document feeder, clean up images, enhance image applying filters like
auto border removal, Despeckle, automatic deskew and more. GdTwain Pro SDK can save images to disk or upload to
FTP server.
GdTwain Pro SDK can be used in any environment of development that supports ActiveX/COM controls.
With GdTwain Pro SDK, you will be able to do anything that your device supports !
Major Product Features
GdTwain Pro SDK includes 2 classes including over 500 functions.
TWAIN - Twain acquisition & Image processing control :
- Very easy to use and fast integration within your application
- Use the included TWAIN device user interface or create your own
- Supports data source enumeration and selection
- Advanced image processing (auto border removal, adjust brightness / contrast / saturation / gamma / rotation...)
- Capture an image to gdiplus or DIB image handle
- Capture an image to image file or PDF file
- Capture an image to clipboard
- Capture an image to byte array
- Capture an image to HBitmap
- Capture an image to StdPicture object
- Create fast batch scanning process
- Support for 1bit, 4bits, 8bits, 16bits, 24bits, 32bits, 48bits and 64bits color depth
- Image enhancement functions
- OCR features: Create searchable PDF with encryption, convert image to text, perform character recognition on specific area *
- Use TWAIN capabilities to detect & read barcode symbols including Code 39/128/93, EAN-8/13, PostNet, PDF417, 2 of 5 Matrix and many others.
- Convert any color depth to any color depth, from 1-bit to 64-bit
- Many color quantization and reduction algorithms
- Advanced Text processing: add text with semi transparency effect, draw rotated text...
- Adjust the twain device image resolution (DPI)
- Defines a custom area of capture
- Defines the acquired image orientation
- Defines the acquired image size
- Defines the acquired image color depth and palette mode
- Defines the twain device brightness and contrast
- Supports Automatic Document Feeder (ADF) control for single and multiple page acquisition.
- Supports duplex scanning.
- Enable / disable ADF support
- Enable / disable AutoScan mode
- Enable / disable duplex scanning
- Enable / disable Automatic Deskew
- Enable / disable Automatic Rotation
- Enable / disable Automatic Border Detection
- Enable / disable Automatic Brightness
- Select the twain device pixel type, B/W Color, Gray color, RGB color, CMYK color...
- Provides additional low level API in order to get and set all the TWAIN 2.0 capabilities like image rotation, image scaling, barcode detection ...
...
* Requires the optional GdPicture Tesseract Plugin.
GdViewer - Image & PDF Viewer control :
- Image bitmap and vectorial viewer (very high quality viewer class with many different view modes)
- Load and print single & multipage images
- PDF Viewer
- Multipage Tiff reading, you can change page easily
- Display big image file
- Read binary data types like IStream, IUnknown
- Load image from URL
- Multiple image scaling algorithms (Antialiasing, Bicubic and Nearest Neighbor Interpolation ...)
- Support for 1bit, 4bits, 8bits, 16bits, 24bits, 32bits, 48bits and 64bits pallets color
- Import image from Clipboard, StdPicture, IPicture, HBitmap, DIB, gdiplus handle...
- Advanced rotations 90, 180, 270, 360, Flip X, Flip Y
- Advanced and optimized printing features: Print range of pages from a multi-page file, Print multi-page images in single print jobs, Fit image to paper size...
- Area processing
- User define display area
- Animated Gif Viewer
- Built in timer with TimerTick event
- Advanced scrollbar and autosize features
- Aspect Ratio Control
- Right click pop up menu, including tools, selection, zoom... *
- Built in tools including hand tool, pan and zoom, rectangle selection
- Move / Scroll the image by mouse drag
- Zoom enhance, zoom by height, by width, fit to page...
- User define Zoom and user define area zoom
- Keyboard and Mouse Events
- Change image zoom with mouse whell
- Smooth Scrolling
- Save and restore the specifies position of image (Image MAP system capability)
- GdViewerCnt: Image viewer container class (like a vb picturebox, can contain other controls placed on it)
- ...
* Contextual menu of the viewer :
Supported image file formats
Click here.
System Requirements
Microsoft Windows (32 bits or 64 bits): 98 / NT4 / ME / 2000 / XP / 2003 / 2008 / VISTA
|
