* Use chrono for UTC/calendar conversion instead of hand-rolled copies
Replaces the hand-rolled civil / civil_from_days / days_from_civil copies (the
146_097 / 719_468 magic numbers) across the logging timestamp, text-variable
dates, EPUB dcterms:modified, PDF metadata dates and PPTX core.xml dates with
chrono, added as a workspace dependency (default-features = false, std only, so
wasm is unaffected).
- apps/designcraft logging `timestamp` (private civil_from_days deleted).
- doc text variables: `civil` and `days_from_civil` use chrono::NaiveDate;
`format_date` and `parse_iso_date` keep their own format/parse logic and
still call these helpers.
- epub `iso8601`, pdf `civil`, pptx `civil`: UTC datetime via
chrono::DateTime::from_timestamp.
Output is byte-identical and pinned by the existing date, ISO-date, EPUB,
image, EPS and logging tests. The OOXML/EPUB dcterms timestamps keep their
exact strings. Each converted helper keeps a proleptic-Gregorian fallback for
dates outside chrono's NaiveDate range (and for the serial/overflow dates
parse_iso_date can hand days_from_civil), so no input changes or panics.
AGENTS.md now says time goes through chrono.
Follow-up to storytold/cadcraft#1785
* Never panic on a clock outside chrono's range; keep 5-digit years unprefixed
logging.rs timestamp(): chrono's From<SystemTime> unwraps, so a clock past
year 262143 panicked inside the logger. Use the fallible DateTime::from_timestamp
and read such a clock, or a pre-epoch clock, as the epoch like the old saturating
code did. Years past 9999 are written with {:04} like before, because %Y adds a
'+'. Tests cover both cases.
epub iso8601(): write the year with {:04} instead of %Y, matching the old
{year:04} output, so years past 9999 are not prefixed with '+'. Test added.
AGENTS.md: the "Time goes through chrono" rule now notes the narrow fallback
for dates outside chrono::NaiveDate's range, which crates/doc/src/vars.rs
retains (Howard Hinnant's algorithm).
* Don't build an unrepresentable SystemTime in the far-future test
UNIX_EPOCH + Duration::from_secs(u64::MAX / 2) overflows Windows'
SystemTime and panicked before timestamp() ran, failing the Windows
test job. Build it with checked_add and only assert where it exists.
* Route out-of-range dates through chrono's 400-year cycle, not hand-rolled copies
doc/vars.rs kept hand-rolled Hinnant `civil_fallback`/`days_from_civil_fallback`
copies for dates outside chrono's ±262143-year range, and AGENTS.md carved a
"narrow fallback" exception for them, which left calendar arithmetic outside
chrono after all.
Replace both copies with the Gregorian 400-year cycle (146_097 days): chrono
converts the day/year within one cycle and whole cycles are added back via i128
(so i64::MIN/MAX can't overflow). `civil` is reached by the system clock through
`format_date(now(), ..)`, so it must stay exact; `days_from_civil` only ever
sees a 4-digit parsed year via `parse_iso_date`, but it uses the same cycle form
for consistency. Both reproduce the pre-chrono proleptic Gregorian result, so
outputs are unchanged (verified against the old formula over wide ranges and at
the i64 extremes).
New test pins dates past chrono's range on both sides of the epoch, through the
public `format_date` and round-tripping `days_from_civil`/`civil`, with values
from the old formula. Removed the AGENTS.md "narrow fallback" exception.
epub/pdf/pptx `civil`/`iso8601` are left as-is: the PR already dropped their
hand-rolled copies for pure chrono, and their remaining epoch (`unwrap_or_default`)
fallback only triggers for a metadata/clock timestamp past year 262143 -- the
live-clock/file-mtime case FredApps accepted, with outputs that clamp the year
anyway (pptx 0..9999, PDF DateTime). No hand-rolled copy remains there to replace.
Tested: cargo test -p designcraft-doc; fmt --check; clippy --all-targets -D warnings.
* Carry an overflowing day into the next month again in parse_iso_date
parse_iso_date accepts any day 1..=31, and the old days_from_civil
carried a day past the end of its month into the next one (2019-02-30 is
2019-03-02). from_ymd_opt rejects such a day, and unwrap_or(0) turned it
into 1970-01-01. chrono now places the 1st of the month and the day is
added on, which restores the old normalization. Tested through days_from_civil
and parse_iso_date.
* time: preserve old out-of-range date conversion (no epoch fallback)
`DateTime::from_timestamp(...).unwrap_or_default()` silently reset any
instant past chrono's year range to 1970-01-01, changing output the old
hand-rolled Howard-Hinnant code converted exactly (e.g. 10_000_000_000_000 s
was 318857-05-20 17:46:40, not the epoch). Restore the old conversion domain
with a cycle-based helper that routes the calendar through chrono (the
calendar repeats every 400 years = 146_097 days, so month/day/time come from
chrono and only the year is carried, keeping every i64 exact), then apply each
format's existing year clamp afterwards.
- apps/designcraft/src/logging.rs: `timestamp` via `utc_parts`; keep the
pre-1970 epoch clamp; u64 secs past i64::MAX saturate, not epoch.
- crates/epub/src/lib.rs: `iso8601` via `utc_parts`.
- crates/pdf/src/export.rs: `civil` cycle-based; `date_time` keeps its
0..=9999 year clamp.
- crates/pptx/src/package.rs: `civil` cycle-based, keeps its 0..=9999 year
clamp on the year only (month/day/time keep the real instant).
Pinned old outputs in tests (through the public helpers):
logging u64::MAX/2 s -> 292277026596-12-04T15:30:07.000Z (was epoch)
epub 10_000_000_000_000 -> 318857-05-20T17:46:40Z
-10_000_000_000_000 -> -314918-08-13T06:13:20Z
i64::MAX -> 292277026596-12-04T15:30:07Z
i64::MIN -> -292277022657-01-27T08:29:52Z
pdf civil(10_000_000_000_000) -> (318857,5,20,17,46,40)
pptx civil(10_000_000_000_000) -> (9999,5,20,17,46,40) (year clamped)
* Don't build a year-318857 SystemTime unchecked in the logging test
Windows' SystemTime only reaches about year 30828, so
UNIX_EPOCH + Duration::from_secs(10_000_000_000_000) panicked before
timestamp() ran and failed the Windows test job. Build it with
checked_add and assert where the platform can hold it. The year-10000
case fits everywhere and stays unconditional.
* Name the 400-year range extension as the one exception to the time rule
The rule said never to hand-roll calendar math, but the range fix
(shifting by whole 400-year Gregorian cycles so dates past chrono's year
range keep their old output) is cycle arithmetic, so the rule and the code
disagreed. The rule now names that exception: the library still computes
month, day and time, and only whole cycles are carried in the year.
* Say the library computes month and day; time-of-day is plain arithmetic
Narrows the range-extension wording: the date library computes the
calendar fields, and splitting seconds into hours, minutes and seconds
is ordinary arithmetic, which is what the code does.
Progress docs per craftrules standards/progress-docs.md: target-app parity, gaps, roadmap with alpha gate, readiness by audience (full / mainstream / essentials) with Opus 5.5 hours, and feature, format, hardware, UI and localization parity docs.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
DrawCraft was renamed VectorCraft, and its repository is now
storytold/vectorcraft. Three places still used the old name:
- AGENTS.md and CLAUDE.md told contributors and agents that the sibling
checkout lives at ../drawcraft. A clone made from the README link lands
in ../vectorcraft, so that path does not exist.
- The About window's sibling list used the app-page slug "drawcraft".
getartcraft.com/apps/drawcraft still redirects to /apps/vectorcraft,
so the link worked, but the README (which the list says it matches)
uses /apps/vectorcraft.
Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
* About: contributors compiled in from contributors.json (grab bag + table, sortable, name toggle)
Adds the craftrules standard (standards/contributors.md) to Help > About DesignCraft, which now
has tabs About · Contributors · Models (`help.about {tab}` selects one).
contributors/contributors.json is generated by craftrules/scripts/contributors.py and baked
into the binary by crates/ui-egui/build.rs as static tables (crates/ui-egui/src/credits.rs).
Each contributor line: @username, opt-in display/real name, PRs, commits, lines +/−/Δ,
binary assets +/−, first/last commit. Sortable by every column; alphabetical ignores
case and the leading @.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* Contributors docs: craftrules is two levels up (../../craftrules)
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* Contributors: self-submitted names in contributors/people.toml; AGENTS.md credit-yourself section
build.rs reads contributors/people.toml next to the generated contributors.json and shows a name only
for entries the generator verified as written by that person (craftrules standards/contributors.md).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* Contributors: regenerate (verified people.toml entries)
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Shippori Mincho (8.7 MB) and its licence leave assets/fonts. Japanese fonts now
come from storytold/craft-fonts when built with CRAFT_FONTS_DIR (never a
Cargo.toml dependency): crates/fonts/build.rs embeds its manifest as
designcraft_fonts::CRAFT_FONTS. Native builds embed all four fonts; wasm32
embeds BIZ UDPGothic Regular only (web size budget).
- UI (egui): the Jpan faces at the end of every family, BIZ UDPGothic first
(Bold first in the semibold family).
- Documents: FontDb loads them after the bundled fonts, Mincho first, so they
are the Japanese fallback ahead of system fonts; SVG text gets them too.
- Vertical alternates test runs on every craft-fonts face and skips when
CRAFT_FONTS is empty; new UI no-tofu test and without-craft-fonts tests.
- FreeBSD CI tests with craft-fonts; release.yml builds every platform with
CRAFT_FONTS_DIR + CRAFT_FONTS_REQUIRED=1 at a pinned commit, packages carry
OFL-<family>.txt; NOTICE, ASSETS.md, AGENTS.md/CLAUDE.md, README, ROADMAP.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Real-file test oracles live in storytold/photocraft-corpus, explained in
craftrules standards/test-corpora.md. Never commit large binary fixtures
here; fetch them pinned and sha256-verified.
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
AGENTS.md and CLAUDE.md get a "Never crash" section ahead of the
non-negotiables (craftrules standards/never-crash.md). Root clippy.toml lets
tests keep unwrap/expect/panic/indexing once crates deny them, and
unsafe_code goes from deny to forbid (no unsafe or allow(unsafe_code) in the
workspace).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
- LICENSE-MIT: copyright "ArtCraft Team and the DesignCraft contributors"
(it wrongly named the PrintCraft contributors); LICENSE-APACHE: the
standard text (adds the trailing newline).
- docs/brand/LICENSE-brand.txt: the ArtCraft brand terms.
- NOTICE: standard header and brand carve-out; third-party list kept.
- ASSETS.md: docs/brand/ rows point at LICENSE-brand.txt; brand files
noted as the one non-open-source exception.
- README: standard "License and credits" section, nav anchor, badge alt.
- AGENTS.md / CLAUDE.md: asset rule notes the docs/brand/ exception.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Dylan M. Taylor