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pauliusiv123-rgb 4d358d4fa4 M2: a /Rotate that isn't a quarter turn counts as 0, as the page is drawn (#1863 )

Page::rotation rounded a /Rotate that isn't a multiple of 90 down to a
quarter turn (135 became 90), while the renderer draws such a page
upright. Display size and the display-to-user-space matrix (header and
footer, watermarks, measuring, printing, image signatures) then
disagreed with the page on screen. ISO 32000-2 §7.7.3.3 requires a
multiple of 90; read any other value as 0, as the renderer does.

Page import and image stamps, which read /Rotate themselves, already
treat such a value as 0. Test: rotate_off_a_quarter_turn_counts_as_upright
(/Rotate 135, 30, -45, 359).

2026-10-15 02:27:02 -04:00

src

M2: a /Rotate that isn't a quarter turn counts as 0, as the page is drawn (#1863 )

2026-10-15 02:27:02 -04:00

Cargo.toml

Rename PrintCraft to PdfCraft (#174 )

2026-10-07 16:03:57 -04:00

README.md

M2: a /Rotate that isn't a quarter turn counts as 0, as the page is drawn (#1863 )

2026-10-15 02:27:02 -04:00

README.md

pdfcraft-model

Layer L2: typed views over the pdfcraft-cos object graph. It starts small, with what several L3/L4 crates need:

pages(doc): leaf pages in order, each with its inherited attributes (Resources, MediaBox, CropBox, Rotate, §7.7.3.4) resolved;
Page::crop, Page::rotation, Page::user_unit and Page::view_matrix: the displayed page's geometry, and the matrix from "display space" (points, origin at the bottom-left of the page as shown, after /UserUnit and /Rotate) to user space, so content can be placed the way the reader sees the page. /UserUnit is read as Acrobat reads it: the page's own entry, a number from 1 up, at most 75,000; anything else counts as 1. A /Rotate that isn't a multiple of 90 counts as 0, as the renderer draws it. view_matrix_for(rotation, rect) is the same matrix for any rectangle, e.g. to draw a comment's picture upright inside its user-space /Rect on a turned page.

organize, annot and forms still carry their own small walkers; they move here as the model grows (ADR-0004).