scanning

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How do I enumerate resolutions supported via TWAIN

I have to enumerate DPI\'s supported by scanner via TWAIN interface. // after Acquire is called... TW_CAPABI开发者_C百科LITY twCap;[详细]

2023-04-12 01:03 分类：问答
How to use IKScannerDeviceView?

I\'m developing my first Obje开发者_如何学编程ctive C app; a simple program to scan an image and upload it to a server. So I was excited to see the IKScannerDeviceView in the library of Interface buil[详细]

2023-04-11 23:32 分类：问答
python program that scans a page for a specific combination of pixels?

I\'m trying to write a python program that will take a screen shot and then scan the image for a specific combination of pixels, or pattern. For example: it takes a screen shot of a web page and scans[详细]

2023-04-09 12:31 分类：问答
WIA's ShowAcquireImage only saves in BMP?

I am using the WIA 2.0 library within Delphi XE to automate scanning. I am using the \"ShowAcquireImage\" function to provide an image to be saved to disc. I want to save the image in a compressed for[详细]

2023-04-07 10:07 分类：问答
WIA via silverlight, duplex scanning

I\'m trying to scan an A3 page in duplex using my Xerox documate 752. I\'m getting it to scan fine using the document feeder but only on side. How do I access the other image??[详细]

2023-04-06 19:48 分类：问答
WIA Scanning via Feeder

WIA Scanning via Feeder Here is my device properties: Document Handling Select = 1 (2 is for flatbed, and 1 is for the feeder.)[详细]

2023-03-28 22:29 分类：问答
How do I get a product's name online from a barcode? [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this po[详细]

2023-03-20 22:29 分类：问答
Store an image in disk

I have a 1x1 inch passport photo and I want to store it in a computer disk in a way I minimize the size but also been able to print it back to the real world.[详细]

2023-03-19 19:56 分类：问答
Integrating a scan-to-file app with the browser

We have an intranet-based application, and users have desktop scanners (which are TWIAN but not WIA compatible).Users need to \'click to scan\' from the browser window (IE 8) and save the scanned imag[详细]

2023-03-19 03:09 分类：问答
How does the Android scanner work?

Does any one开发者_JAVA百科 know how the Android scanner works? Does it work like a barcode scanner? And can it scan anything you program it to? If anyone knows where I could learn more about it, plea[详细]

2023-03-18 07:51 分类：问答