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T O P I C R E V I E W
Sidney Egnew	Posted - Apr 07 2017 : 16:27:34 Hello, The AllAcquire demo uses predefined values to populate the color combo box. Some of these values are not valid for my scanners. Additionally, other modes available for my scanners are not listed. The help file indicates the following: Twain_PixelType_BW (0)Black & white (1 bit) Twain_PixelType_Grayscale(1) Gray scale (8 bit) Twain_PixelType_FullRGB (2) Full RGB (24 bit) Twain_PixelType_Palette (3) Palette (ImageEn can't support this) Twain_PixelType_CMY (4) CMY (ImageEn can't support this) Twain_PixelType_CMYK (5) CMYK (ImageEn can't support this) Twain_PixelType_YUV (6) YUV (ImageEn can't support this) Twain_PixelType_YUVK (7) YUVK (ImageEn can't support this) Twain_PixelType_CIEXYZ (8) CIEXYZ (ImageEn can't support this) Is there a way to select other scanner image modes such as GrayScale, 8 bit Color, etc. that are shown in the twain acquisition dialog? Thanks, Sidney
1 L A T E S T R E P L I E S (Newest First)
xequte	Posted - Apr 10 2017 : 20:00:07 Hi Sidney It sounds like the twain driver is simply exposing both PixelType and BitDepth: https://www.imageen.com/help/TIETwainParams.PixelType.html https://www.imageen.com/help/TIETwainParams.BitDepth.html For a better understanding, see the source code for: TIEAcquireParams.SetPixelType in iexAcquire.pas Nigel Xequte Software www.xequte.com nigel@xequte.com