Commit Graph

1591 Commits

Author SHA1 Message Date
John Whitington bb620c8f06 Extend PNG loading to greyscale and 16bpp 2024-01-01 11:46:32 +00:00
John Whitington e31f3c2562 More -process-images 2023-12-31 16:22:22 +00:00
John Whitington 74c1c63cec Fix command for lossless-resample - now to load in 2023-12-31 16:05:27 +00:00
John Whitington 67d1cb604e Scaffolding for -lossless-resample 2023-12-31 11:59:48 +00:00
John Whitington 8859f17584 -process-images-info finished 2023-12-31 11:13:58 +00:00
John Whitington 96a9142542 More -process-images-info work 2023-12-29 22:19:06 +00:00
John Whitington 70e9092e01 towards better -process-images-info 2023-12-29 21:49:56 +00:00
John Whitington c953d0f2a9 Improvements to -process-images-show 2023-12-29 20:09:50 +00:00
John Whitington 5480a08e77 Speed up dumping of PNM files 2023-12-29 17:46:54 +00:00
John Whitington 0857e8ab0c Refactoring of image processing 2023-12-29 17:22:02 +00:00
John Whitington 526cedead9 -utf8 now default 2023-12-28 19:00:21 +00:00
John Whitington 86cd0c3bb7 Add debug output for image processing 2023-12-28 16:18:25 +00:00
John Whitington 707525d8da Extend -list-images 2023-12-28 15:48:30 +00:00
John Whitington 6f3cf112f9 length_threshold working 2023-12-28 11:32:43 +00:00
John Whitington 94cb707dd9 Only do JPEGing then quality set < 100 2023-12-27 20:01:06 +00:00
John Whitington 66cc20b87f Plumbing for length_threshold, percentage_threshold 2023-12-27 19:53:02 +00:00
John Whitington 20b9f59b2f -pixel-threshold 2023-12-24 13:54:21 +00:00
John Whitington 91a7ffd371 Tidying 2023-12-23 17:18:13 +00:00
John Whitington 24fdbd4535 Work around jbig2enc bug 2023-12-23 15:29:13 +00:00
John Whitington aafc455fd2 Tidying up 2023-12-23 14:26:01 +00:00
John Whitington 68312dc177 First successful JBIG2 reprocessing 2023-12-23 14:07:17 +00:00
John Whitington fe34a7a752 jbig2enc calls 2023-12-22 21:21:23 +00:00
John Whitington c0c72b8ec4 Plumbing for path_to_jbig2enc 2023-12-22 19:33:10 +00:00
John Whitington 57aabda801 prepare for jbig reprocessing implementation 2023-12-22 17:21:23 +00:00
John Whitington b8aaf29420 Scaffolding for 1bpp reprocessing 2023-12-22 16:45:53 +00:00
John Whitington 2955a30c80 Detecting 1bpp images for processing 2023-12-22 16:12:19 +00:00
John Whitington d4b571d089 Separations for lossless to JPEG 2023-12-20 17:12:18 +00:00
John Whitington e76d5bf98f tidying 2023-12-20 12:30:44 +00:00
John Whitington f1b39a0c84 Split up process_images 2023-12-20 12:11:55 +00:00
John Whitington 5631cfd724 Lossless to JPEG CMYK now working 2023-12-19 19:12:56 +00:00
John Whitington 8d64e1efd7 DeviceGray lossless-to-jpeg now working 2023-12-19 18:11:47 +00:00
John Whitington 78dbe17b67 First go at /DeviceGray reprocessing 2023-12-18 22:39:33 +00:00
John Whitington d96b6aabbb Detection for ICCBased colour spaces 2023-12-18 20:50:52 +00:00
John Whitington 16278b03f6 First implementation of -lossless-to-jpeg 2023-12-18 15:13:40 +00:00
John Whitington ec91b49bfe Debugging notes 2023-12-17 17:48:42 +00:00
John Whitington 56800218ff Better debug for Cpdfimage.process_images 2023-12-17 17:45:56 +00:00
John Whitington 81c719aae3 Work on lossless->JPEG 2023-12-17 12:58:32 +00:00
John Whitington adeb7c6c33 Use new CamlPDF option to avoid pointless compression 2023-12-16 20:18:06 +00:00
John Whitington 58122d8bae -jpeg-to-jpeg now working 2023-12-07 15:08:34 +00:00
John Whitington c7dc1cd424 First successful round-trip of JPEGs 2023-12-07 14:54:47 +00:00
John Whitington cc718fdb2c Scaffolding for image round tripping 2023-12-06 12:20:27 +00:00
John Whitington 4e91e9721a JBIG2 global sharing finished 2023-12-05 12:56:56 +00:00
John Whitington 39f5ec1bf3 Duplicate PNG/JPEG/JBIG2 problem fixed 2023-12-05 12:20:03 +00:00
John Whitington 92aa81f554 First working globals creation 2023-12-04 17:15:15 +00:00
John Whitington 1bc4c57fec Almost there with single page JBIG2globals 2023-12-04 16:58:13 +00:00
John Whitington e928818ccb Scaffolding for JBIG2Globals 2023-12-04 16:32:12 +00:00
John Whitington cd9512a4de Automatic w, h determination for JBIG2 2023-12-04 14:00:45 +00:00
John Whitington 0d97d39c02 First working -jbig2 2023-12-04 13:39:56 +00:00
John Whitington 9ad38424f7 Manual note 2023-12-04 11:20:27 +00:00
John Whitington eefbb4f315 JBIG2 extraction done 2023-12-04 11:19:17 +00:00