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Re: Burn Annotations ( How to Keep Bitperpixel) Started by Neo.Ko at 04-30-2008 8:18. Topic has 4 replies. LEAD Support Fo... » Developer » Annotations » Re: Burn Annotations ( How to Keep Bitperpixel)

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04-30-2008, 8:18 Neo.Ko Joined on 01-25-2008 Posts 37 Burn Annotations ( How to Keep Bitperpixel) Hello. I Use Leadtool V15(15.0.1.3) and VB.Net 2005 I load TIF File (16bpp, Grayscale) and draw annotations on the image I burn annotations on this image then, the image change into 24bpp. I use this code -------------------------------------------------------- For i = 0 To pBox.Objects.Count - 1  Dim obj As AnnObject  obj = pBox.Objects(i)  obj.Draw(pImg.CreateGdiPlusGraphics.Graphics) Next -------------------------------------------------------- 'pbox is annotation container 'pImg is RasterImage(16bpp TIF Image) I want to keep bitperpixel of the image How to do? please help me. ps. I don't use automation    Report

04-30-2008, 10:48 Adam Boulad Joined on 09-16-2007 Posts 335 Re: Burn Annotations ( How to Keep Bitperpixel) If you want to convert the image back to 16-bit grayscale, you can use the GrayscaleCommand Class to change the BBP. Adam Boulad LEADTOOLS Technical Support    Report

05-01-2008, 21:53 Neo.Ko Joined on 01-25-2008 Posts 37 Re: Burn Annotations ( How to Keep Bitperpixel) I mean not "Convert" but "Keep" When I draw annotations on the image, is the image changed to 24bpp always?      Report

05-05-2008, 11:10 Adam Boulad Joined on 09-16-2007 Posts 335 Re: Burn Annotations ( How to Keep Bitperpixel) You can work around this by creating a temporary image to do the realize on, it should be something like this: - Create a new bitmap with a black or white color. - Transfer the Annotations to the new bitmap. - Realize the annotation in the new bitmap. - Use the GrayscaleCommand to convert the new image to 16-bit. - Set a region to the non-blank area using AddColorToRegion Method. - Copy the realize image to the original bitmap using the CombineCommand Class. Adam Boulad LEADTOOLS Technical Support    Report

05-06-2008, 22:02 Neo.Ko Joined on 01-25-2008 Posts 37 Re: Burn Annotations ( How to Keep Bitperpixel) Thank you for your help :)    Report

LEAD Support Fo... » Developer » Annotations » Re: Burn Annotations ( How to Keep Bitperpixel)

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