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Vendor particle-academy
Package dark-slide
Short Description Standalone presentation read/write tool for agentic deck creation. Framework-agnostic PHP core that writes .pptx (Office Open XML) with inline markdown formatting + headings, real tables, gradient backgrounds, syntax-highlighted code, and embedded media — and reads them back with high fidelity. Optional Laravel 10-13 integration. Designed to round-trip with the @particle-academy/fancy-slides JS package's Deck schema.
License MIT
Homepage https://github.com/Particle-Academy/dark-slide

Keywords presentation slides pptx office PowerPoint ai agentic document-creation particle-academy

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Informations about the package dark-slide

DarkSlide

PHP package for reading and writing presentation files (.pptx) from a JSON-friendly schema. Framework-agnostic core with an optional Laravel adapter. Designed to round-trip with the @particle-academy/fancy-slides JS package's Deck schema — what the JS editor emits, DarkSlide writes to a real Office Open XML file that opens in PowerPoint, Keynote, Google Slides, and LibreOffice Impress.

Why

Sister project to holy-sheet (XLSX writer). The two share an "agent emits JSON, PHP writes a real document" pattern:

Document type	JS authoring	PHP writing
Spreadsheets	fancy-sheets	holy-sheet
Presentations	fancy-slides	dark-slide

Quickstart

Laravel

Schema

Mirrors @particle-academy/fancy-slides's Deck shape exactly. Coordinates are 0..1 fractions; DarkSlide converts to PPTX EMU (914,400 per inch) on write.

See docs/schema.md for the full reference.

Element coverage (v0.5)

Element	Writer	Reader
text	✅ markdown spans + headings (`# / ## / ###`)	✅ markdown spans reconstructed
image	✅ data URI + local path; `fit` (fill/cover/contain/scale-down) + `crop`; opt-in HTTP fetch	✅ as data URI
shape	✅ (rect, rounded-rect, ellipse, triangle, line, arrow)	✅
code	✅ syntax-highlighted runs (JS/TS, PHP, JSON, bash, CSS, Python, HTML)	✅ as text
table	✅ real `<a:tbl>` (header + striped body rows)	✅ round-trips columns + rows
background	✅ solid color, gradient (`linear-gradient(…)`), image	✅ solid, gradient, image-as-data-URI
chart	✅ native OOXML chart parts (bar / line / area / pie / scatter) from an ECharts-style `option`; graceful image / placeholder fallback	⚠ skipped
embed	not representable in pptx	n/a
transitions	✅ per-slide `transition` (fade / slide / zoom) + deck `defaultTransition`	⚠ skipped
animations	✅ per-element `animation` (fade / fly-in / zoom / wipe) → `<p:timing>` build steps	⚠ skipped

What's new in v0.5

Element entrance animations. Add animation: { effect, trigger?, direction?, duration?, delay?, order? } to any element (effect: fade / fly-in / zoom / wipe). Slides with animations emit a real <p:timing> tree: builds are sorted by (order, index) and grouped into click steps (on-click opens a step; with-prev / after-prev attach to it), mirroring fancy-slides' build sequencer. Each build targets its shape by the exact <p:cNvPr id> it was emitted with; animated shapes start hidden and reveal when their build fires. Elements without animation are unaffected.

What's new in v0.4

Slide transitions. Add transition: { kind, duration?, direction? } to a slide (fade / slide / zoom), or a deck-wide theme.defaultTransition.
Image fit + crop. fit is honoured (fill / cover centre-crop / contain & scale-down letterbox) and an explicit crop: {x,y,w,h} maps to <a:srcRect>. Opt-in remote fetch via Agent::write($deck, $path, ['allowHttpImages' => true]) (off by default).
Native charts. chart elements emit real ppt/charts/chartN.xml parts (no embedded workbook — literal caches) translated from an Apache ECharts-style option. Unsupported options fall back to a pre-rendered image or a titled placeholder.
Theme + layouts. theme.colors / theme.fonts map into the pptx clrScheme + fontScheme, and all 8 layouts ship as real slideLayoutN.xml parts so PowerPoint recognises each slide's layout role.

What's new in v0.3

Markdown headings. # / ## / ### paragraph prefixes in format: "markdown" text elements emit larger bold runs in the pptx.
Syntax-highlighted code blocks. The code element now ships one <a:r> per token, colored by kind (keyword / string / comment / number / builtin / punctuation). Pure-PHP tokenizer, zero third-party deps. Languages: javascript, typescript, jsx, tsx, php, json, bash, css, python, html.
Reader fidelity for v0.2 features. Tables, gradients, embedded images, and inline bold/italic/code spans now round-trip back to the Deck schema.

Agent tool-use surface

Agent::validateAndRepair($schema) returns ['ok' => bool, 'schema' => array, 'errors' => list] — wire it into your LLM tool to give the agent structured feedback on its emitted decks. Mirrors holy-sheet's pattern.

License

MIT

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Package Version

Version v0.5.2 Release 30. May 2026
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