mirror of
https://github.com/storytold/pdfcraft.git
synced 2026-10-24 10:08:00 -06:00
* M11: merge image fragments, and the Standard and Mobile optimizer presets Some PDF printers draw a page picture as thousands of images one pixel row high (one real page: 3,300 strips, 4.3 MB). The optimizer works image by image, a one-row image can't be resampled, and every JPEG strip carries its own headers, so Reduce File Size saved 2 bytes on it. - pdfcraft-optimize `fragments` (Settings::merge_fragments, on by default): runs of `q … cm /Im Do Q` drawing upright 8-bit grey or RGB images in one colour space, sharing their left and right edges and stacked edge to edge (at least four, nothing else drawn between them; or, failing that, the rows drawn one under the other up to a gap) become one lossless image at their finest resolution. The image settings then resample it, and Clean Up drops the strips. A page whose content can't be read back exactly is left alone. - Presets as in Acrobat's Settings menu: Standard (Reduce File Size's choices) and Mobile (images above 144 ppi to 96 ppi, JPEG high). The PDF Optimizer dialog has a Settings menu (Custom once an option changes) and a Merge image fragments box; doc_optimize takes preset and merge_fragments and reports merged_images and fragments_merged. - A progress stage for the merge; four new strings in all 21 catalogs. On the real page: Standard/Reduce 4.3 MB → 231 KB, Mobile → 161 KB, with a rendering closer to the original than Acrobat's Mobile result (147 KB). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * Refresh catalog hashes after merging main --------- Co-authored-by: magdale76 <16279778+magdale76@users.noreply.github.com> Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com> Co-authored-by: Brandon Thomas <echelon@gmail.com>