TIFF To PDF, size jump

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   Delphi 7
QuickPDF717

2 issues...

1.  When I convert files from high resolution TIFF to PDF there is a huge jump in file size...

296 kb >>> 505 kb
786 kb >>>  1,710 kb
305 kb >>>  2,224 kb

Any hints on how to keep my file size down?

2.  Any general infomation on keeping PDF file sizes down with high reolution images on them?

Thanks...

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agent86 Members Profile Find Members Posts Beginner Joined: 06 Feb 10 Location: SF Bay Area Status: Offline Points: 10	Post Options Post Reply Quote agent86 Report Post Thanks(0) Quote Reply Topic: TIFF To PDF, size jump Posted: 10 Jul 11 at 4:25AM
	Delphi 7 QuickPDF717 2 issues... 1. When I convert files from high resolution TIFF to PDF there is a huge jump in file size... 296 kb >>> 505 kb 786 kb >>> 1,710 kb 305 kb >>> 2,224 kb Any hints on how to keep my file size down? 2. Any general infomation on keeping PDF file sizes down with high reolution images on them? Thanks...

Rowan Members Profile Find Members Posts Moderator Group Joined: 10 Jan 09 Status: Offline Points: 398	Post Options Post Reply Quote Rowan Report Post Thanks(0) Quote Reply Posted: 10 Jul 11 at 9:35AM
	There are a couple of things you can try. You can try calling the CompressImages function to see if it will compress the image data. Only image data which supports flate compression can be compressed. You can also try using the FitImage or DrawScaledImage function instead of the DrawImage function so that the image area size is reduced when it is added to the PDF.

AndrewC Members Profile Find Members Posts Moderator Group Joined: 08 Dec 10 Location: Geelong, Aust Status: Offline Points: 841	Post Options Post Reply Quote AndrewC Report Post Thanks(0) Quote Reply Posted: 11 Jul 11 at 3:02PM
	The 7.25 version of QuickPDF can now import TIFF images and retain the Group 3 / Group 4 or LZW compression that is in the original files. QPL 7.24 and earlier would decompress the image and only compress the image with Flate compressing if CompressImages = 1 and therefore the file sizes were not optimal. The 7.25 update can be downloaded from http://www.quickpdflibrary.com/products/quickpdf/updates.php and is a free upgrade from any 7.xx version. Andrew.

bart_bender Members Profile Find Members Posts Beginner Joined: 04 Oct 11 Location: Spain Status: Offline Points: 17	Post Options Post Reply Quote bart_bender Report Post Thanks(0) Quote Reply Posted: 02 Nov 11 at 9:34AM
	Hello Andrew Is it that we have possible the same bug in the version 8.12? I'm testing with a PDF document with three embeded images (3 pages). The original has 737 Kb and the new clone has got 1551Kb Sorry by the english Best Regards

AndrewC Members Profile Find Members Posts Moderator Group Joined: 08 Dec 10 Location: Geelong, Aust Status: Offline Points: 841	Post Options Post Reply Quote AndrewC Report Post Thanks(0) Quote Reply Posted: 02 Nov 11 at 10:18AM
	It would depend on the images. I would need to see the TIFF and the PDF to analyse what is happening. If you open a support case at http://www.quickpdflibrary.com/support/support-query.php you can then send me the files after you receive a case number. Andrew.