Crate forme 

Forme

A page-native PDF rendering engine.

Most PDF renderers treat a document as an infinite vertical canvas and then slice it into pages after layout. This produces broken tables, orphaned headers, collapsed flex layouts on page boundaries, and years of GitHub issues begging for fixes.

Forme does the opposite: the page is the fundamental unit of layout. Every layout decision—every flex calculation, every line break, every table row placement—is made with the page boundary as a hard constraint. Content doesn’t get “sliced” after the fact. It flows into pages.

Architecture

Input (JSON/API)
      ↓
  [model]    — Document tree: nodes, styles, content
      ↓
  [style]    — Resolve cascade, inheritance, defaults
      ↓
  [layout]   — Page-aware layout engine
      ↓
  [pdf]      — Serialize to PDF bytes

Re-exports

pub use error::FormeError;

pub use layout::LayoutInfo;

pub use model::CertificationConfig;

pub use model::ColumnDef;

pub use model::ColumnWidth;

pub use model::FontEntry;

pub use model::PatternType;

pub use model::RedactionPattern;

pub use model::RedactionRegion;

pub use model::TextRun;

pub use model::ChartDataPoint;

pub use model::ChartSeries;

pub use model::DotPlotGroup;

pub use model::Document;

pub use model::Metadata;

pub use model::Node;

pub use model::NodeKind;

pub use model::PageConfig;

pub use model::PageSize;

pub use style::Style;

Modules

barcode

1D Barcode Generation

chart

Chart Rendering

error

Structured error types for the Forme rendering engine.

font

Font Management

image_loader

Image Loading and Decoding

layout

Page-Aware Layout Engine

model

Document Model

pdf

PDF Serializer

qrcode

QR Code Generation

style

Style System

svg

SVG Parser

template

Template expression evaluator.

text

Text Layout

Functions

certify_pdf

Certify PDF bytes with an X.509 certificate.

find_text_regions

Find text regions matching patterns in a PDF.

merge_pdfs

Merge multiple PDFs into a single document.

redact_pdf

Redact regions of a PDF by overlaying opaque rectangles.

redact_text

Redact text matching patterns from a PDF.

render

Render a document to PDF bytes.

render_json

Render a document described as JSON to PDF bytes.

render_json_with_layout

Render a document described as JSON to PDF bytes along with layout metadata.

render_template

Render a template with data to PDF bytes.

render_template_with_layout

Render a template with data to PDF bytes along with layout metadata.

render_with_layout

Render a document to PDF bytes along with layout metadata.