|
|
|
|
The following constants are used by the Twain functions: | | | Constant | Description | Used by the functions |
---|
tsLoaded | The Twain manager is loaded | TwainState | tsOpen | The Twain manager is opened | tsSourceEnabled | The source is enabled | tsSourceOpen | The source is opened | tsSourceReady | The source is ready to transfer data | tsSourceTransfer | The source is currently transferring data. | tsUnloaded | The Twain manager is not loaded | TwainAnyType | Retrieves any type of image | TwainToBMP, TwainToControl, TwainToGIF, TwainToJPEG, TwainToPDF TwainToClipboard TwainToTIFF | TwainAutoDeskewEnabled | Property of the Twain device: Management mode of automatic image deskew. | TwainProperty | TwainAutoResizeEnabled | Property of the Twain device: Management mode of automatic resize. | TwainProperty | TwainAutoRotationEnabled | Property of the Twain device: Management mode of image rotation | TwainProperty | TwainBarCodeDetectionEnabled | Property of the Twain device: Detection mode of bar codes. | TwainProperty | TwainBitsByPixel | Property of the Twain device: Number of bits per pixel. | TwainProperty | TwainBlackWhite | Retrieves the image in black and white | TwainToBMP, TwainToControl, TwainToGIF, TwainToJPEG, TwainToPDF TwainToClipboard TwainToTIFF | TwainBlankPageSkipEnabled | Property of the Twain device: Management mode of blank pages | TwainProperty | TwainBorderDetectionEnabled | Property of the Twain device: Detection mode of borders. | TwainProperty | TwainBrightness | Property of the Twain device: Brightness of the device. | TwainProperty | TwainContrast | Property of the Twain device: Contrast of the Twain device. | TwainProperty | TwainDuplex | Property of the Twain device: Support for double side. | TwainProperty | TwainDuplexEnabled | Property of the Twain device: Management mode of double side. | TwainProperty | TwainFeederEnabled | Property of the Twain device: Management mode of feeder. | TwainProperty | TwainGrayScale | Retrieves the image in grayscale | TwainToBMP, TwainToControl, TwainToGIF, TwainToJPEG, TwainToPDF TwainToClipboard TwainToTIFF | TwainHeight | Property of the Twain device: Maximum height (in millimeters). | TwainProperty | TwainInterfaceControllable | Property of the Twain device: Management mode of user interface. | TwainProperty | TwainPalette | Retrieves the image using colors from a palette (1 , 4 or 8 bits per pixel) | TwainToBMP, TwainToControl, TwainToGIF, TwainToJPEG, TwainToPDF TwainToClipboard TwainToTIFF | TwainReady | Property of the Twain device: Status of the device. | TwainProperty | TwainResolution | Property of the Twain device: Resolution in pixels per inch. | TwainProperty | TwainRGB | Retrieves the RGB image (24 bits per pixel) | TwainToBMP, TwainToControl, TwainToGIF, TwainToJPEG, TwainToPDF TwainToClipboard TwainToTIFF | TwainType | Property of the Twain device: Type of supported images. | TwainProperty | TwainWidth | Property of the Twain device: Maximum width (in millimeters) | TwainProperty |
This page is also available for…
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|