I use _oGdPictureImaging.TiffCreateMultiPageFromGdPictureImage(imageId) to create a multipage tiff file , and i use _oGdPictureImaging.TiffSaveMultiPageToFile(imageId, savePath, TiffCompression.TiffCompressionCCITT4) to save tiff file, but when i want to delete file after use _oGdPictureImaging.Crea...

today , i got a big trouble from my customer. he used my scan program to scan ducuments , see pictures the pic_1 is original image , it so near the A4 border. the pic_2 is use my scan program to scan it , then image is croped.... my customer so angry , he want me to solve it. is any good method to s...

I have a multipage tiff file. It's more than 1000 pages. I use TiffAppendPageFromGdPictureImage method but it's too slow. The simple code is below: Dim docNo As String = String.Empty For Each nmf As String In System.IO.Directory.GetFileSystemEntries(Me._noMatchDirectory, "*.tif") Dim noMat...

I have trouble... The ImagID = 0 when i used the _oGdPictureImaging.TwainAcquireToGdPictureImage(Me.Handle) in HP Laser Jet 1536dnf MFP scanner. Then i try other scanner that is Canon MG5300, and imageID <> 0. I can't understand why no such condition occurs before when i used HP Laser Jet 1536dnf MF...

I have a question to ask. If there are two or more barcode on the A4 papers , and their position are random. Maybe on the left and right or only on left have barcodes. Which barcode will be recognized when i setROI is A4 size and use _oGdPictureImaging.Barcode1DReaderDoScan(ImageID) method. Thanks~

See the attchement. I write a number "1" on the lower right of blank page. It's determine a blank page when i use oGdPictureImaging.IsBlank(ImageID, 99.5) Are there any methods can determine it not a blank page? In addition,are there any methods can let i get the image's size like the scan...

Hello~ I am in trouble. My program is handing when i use _oGdPictureImaging.TwainAcquireToGdPictureImage(Me.Handle) method. Sometime this case was happand,but i don't know how to slove it. I see some information in the gdpicture_twain.log. ::DS operation. DG: DG_CONTROL - DAT: DAT_EVENT - MSG: MSG_P...

I use TiffCreateMultiPageFromGdPictureImage methd to create a multipage in memory,and use TiffAppendPageFromGdPictureImage method to add page,then i find the speed become very slow. So I use log4net to record some information like process time,then I find something. The spend time of TiffAppendPageF...

case1: oGdPictureImaging.TwainSetResolution(600) ImageID = _oGdPictureImaging.TwainAcquireToGdPictureImage(Me.Handle) 'get ImageID is 1 MultiPageID = oGdPictureImaging.TiffCreateMultiPageFromGdPictureImage(ImageID) 'get MultiPageID is 4 case2:oGdPictureImaging.TwainSetResolution(1200) ImageID = _oGd...

My question is below... First time , i set the ROI like this,GdPictureImaging.SetROI(1283, 306, 1937, 545). I use oGdPictureImaging.Barcode1DReaderDoScan(ImageID) method and get oGdPictureImaging.GetStat is OK. Then i can use oGdPictureImaging.Barcode1DReaderGetBarcodeCount and oGdPictureImaging.Bar...

the simple code is below : Dim ImageID1 As Integer = 0 Dim ImageID2 As Integer = 0 oGdPictureImaging.TiffOpenMultiPageForWrite(True) ImageID1 = oGdPictureImaging.TiffCreateMultiPageFromFile("input.tif") 'the page count of ImageID1 is > 1 ImageID2 = oGdPictureImaging.TiffCreateMultiPageFrom...

Hi Loïc ~ I have a question ask to you. I want save a multipage tiff to memory. I use SaveAsStream function to save a GDPicture image to stream. Save the first page tiff become a singlepage tiff in stream is successful when i use SaveAsStream function The simple code is below: ===== Dim ImageID As I...