Search found 5 matches

by brian611
Wed May 14, 2014 7:56 pm
Forum: TWAIN & WIA Acquisition
Topic: Citrix and TWAIN Question
Replies: 1
Views: 2245

Citrix and TWAIN Question

Hello All, I have encountered a strange situation with a customer site. They have two applications that use the same scan component, this scan component contains GDPicture. The two applications, we will call one 'A' and the other 'B', and both are published applications through Citrix. Following is ...
by brian611
Mon Mar 11, 2013 6:13 pm
Forum: TWAIN & WIA Acquisition
Topic: Using 8 bit for 24bit in function TwainSetBitDepth
Replies: 2
Views: 1389

Re: Using 8 bit for 24bit in function TwainSetBitDepth

Thanks but it still will not accept the 24. For the TwainSetPixelType I can use TWPT_RGB, TWPT_PALETTE, TWPT_GRAY, and TWPT_BW. When I use RGB or PALETTE the highest value I can enter for the TwainSetBitDepth is 8 all other values return false when I call the method. In looking at the TwainGetLastRe...
by brian611
Tue Mar 05, 2013 6:22 pm
Forum: TWAIN & WIA Acquisition
Topic: Using 8 bit for 24bit in function TwainSetBitDepth
Replies: 2
Views: 1389

Using 8 bit for 24bit in function TwainSetBitDepth

My Fujitsu fi-4120C can support, according to its UI, B&W, Grayscale, Color as 8 colors, 256 colors, or 24 bit color. When I try and use 24 in the TwainSetBitDepth function it fails but will not fail if I use 8 as the bit depth. In looking at the GDPicture Twain sample there is this line: oGdPicture...
by brian611
Tue Apr 24, 2012 4:57 pm
Forum: Document Printing
Topic: OutOfMemory Exception with DrawGdPictureImageOnHDC
Replies: 2
Views: 2840

Re: OutOfMemory Exception with DrawGdPictureImageOnHDC

Sorry for not supplying the full code. It follows: This first part is the Win APIs that are used: public static class WinUser32API { [DllImport("user32.dll", SetLastError = true)] public static extern int DrawText(IntPtr hDC, string lpString, int nCount, ref RECT lpRect, int uFormat); public struct ...
by brian611
Mon Apr 23, 2012 6:48 pm
Forum: Document Printing
Topic: OutOfMemory Exception with DrawGdPictureImageOnHDC
Replies: 2
Views: 2840

OutOfMemory Exception with DrawGdPictureImageOnHDC

Hello, I am currently trying to print a pdf file, actually just the first page, to a printer that is already defined by a calling application. So my application receives from the other application a HDC representing the printer. When I execute the following code I get an OutOfMemory Exception when t...