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Urgent...Image compression! Started by basheerco at 05-14-2008 9:23. Topic has 2 replies. LEAD Support Fo... » Developer » Image Compressi... » Urgent...Image compression!

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05-14-2008, 9:23 basheerco Joined on 05-08-2008 KSA Posts 4 Urgent...Image compression! I am using Leadtools 15 .! how can i compress tiff file ? I have tried to use this command but the size is still too big. codecs.Save(image, filename, RasterImageFormat.Tif, 8, 1, image.PageCount, 1, Leadtools.Codecs.CodecsSavePageMode.Overwrite); let suppose if you have file it size 2.7 MB after compression how should be it size? please help me, and if you have a code tha't more wonderful.. a waiting your replay    Report

05-14-2008, 10:18 Yasir Alani Joined on 02-05-2007 Posts 231 Re: Urgent...Image compression! I understand from your code that you want to save as 8-bit (grayscale or color) TIF. However, using the RasterImageFormat.Tif file type saves images as TIF without compression.   To save as compressed 8-bit TIF, then you can use any of these constants: 1. TifLzw (LZW Compression and RGB color space) 2. TifJpeg (JPEG compression and YUV 4:4:4 color space Lossless) 3. TifJpeg422 (JPEG compression and YUV 4:2:2 color space) 4. TifJpeg411 (JPEG compression and YUV 4:1:1 color space) 5. TifCmp (CMP Compression) 6. TifJbig (JBIG Compression) 7. TifJ2k (JPEG 2000 Compression) 8. TifCmw (Wavelet CMP Compression)   There are also other compressed TIFF sub-types but they work with bits per pixel values other than 8.   For more details, please read the help topic "File Formats: TIFF (Tagged Image File Format)" in the Raster .NET help file. Yasir Alani LEADTOOLS Technical Support support@leadtools.com    Report

05-21-2008, 2:40 basheerco Joined on 05-08-2008 KSA Posts 4 Re: Urgent...Image compression! thanks, i get your point ,now it's working fine ,thanks again for your fast help.    Report

LEAD Support Fo... » Developer » Image Compressi... » Urgent...Image compression!

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