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Hakan SevenandClaude Opus 4.8 5018963d3d fix(export): project viewport text into paper space

Review follow-ups to #390, which fixed PDF/print text for model space but
left the layout-plot path — the one issue #385 was filed from — broken.

viewport_content_wires rewrote points/snap_pts/key_vertices/aabb and then
cloned text_verts through untouched, so paper-space viewport text stayed at
model (UTM) coordinates: a dimension at model (25000, 12000) plotted its
lines onto the sheet and its glyphs kilometres off the page. A text-only
wire fared worse — TEXT/MTEXT carry no stroke points since text went
SDF-only, so it was dropped outright by the empty-clip and AABB rejections.
Project the glyphs through the same proj_abs the snap points use (via the
existing map_text_verts helper), cull per glyph on the quad centroid, count
them towards the paper AABB, and dim them like the wire colour.

Also in emit_text, which diverged from the wire pass it mirrors:
- divide the pen by `scale`, or a Fit/windowed plot prints text as
  near-invisible hairlines while its own lines stay correct;
- apply the CTB plot style, or a monochrome.ctb plot renders the lines
  black and leaves the text on its screen colour;
- reset the dash pattern, which is persistent PDF state the wire pass
  leaves set — a HIDDEN-linetype last wire printed glyph outlines dashed.

export_table's doc claimed it honoured TEXTFILL and widened the bold pen
itself; it did neither. Gate fill_tris on textfill() so hollow-on-screen
text exports hollow, carry the bold flag and widen the pen by the 1.7x the
bake uses, and resolve Face once per family instead of once per glyph (the
atlas mutex is held for that whole walk).

uv_key identifies a glyph by its tile's uv_min, but grow_height rescales
every entry's V and reset rewinds the packer, leaving already-built quads
addressing the wrong tile — garbage on screen and a silent miss in the
export table, i.e. #385 again under #347's grow-the-atlas conditions. Bump
an atlas generation on both and fold it into the tessellation memo guard so
the text re-lays-out instead. Quads built earlier in the same pass that
grows are still stale for that pass; the guard heals them on the next one.

Tests: the integration test's "some wire has text_verts" assert passed on
pre-fix code too (the exporter ignored them; the scene always carried
them), and its dimension half was satisfied by the TEXT alone — assert per
entity handle instead, and stop colliding on fixed names in the shared temp
root. The unit test's bbox came from the same quads the mapping reads, so
it held by construction; pin the run's own world box instead. That still
cannot catch a mirrored corner assignment — verified by mirroring it — so
say so rather than claim coverage the assert doesn't have.

Co-Authored-By: Claude Opus 4.8 <[email protected]>

2026-07-16 10:06:15 +03:00

.cargo

fix(web): keep wasm target_features section so wasm-opt accepts bulk-memory

2026-07-10 09:36:43 +03:00

.claude

feat: add local settings for Bash permissions

2026-04-30 10:01:17 +03:00

.github

ci(release): build the thumbnail helper crates as explicit targets

2026-07-11 01:48:14 +03:00

assets

fix(tolerance): draw the feature control frame properly

2026-07-15 22:22:07 +03:00

crates

fix(thumbnailer-win): make the COM DLL compile on the MSVC target

2026-07-11 02:11:22 +03:00

docs

perf(core): cache ribbon_groups() with OnceLock, avoid per-frame tree allocations

2026-07-02 21:00:57 +01:00

packaging

feat(open): open drawings in the running editor

2026-07-15 15:18:16 +03:00

plugins

Update registry.json

2026-06-23 00:22:08 +03:00

src

fix(export): project viewport text into paper space

2026-07-16 10:06:15 +03:00

tests

fix(export): project viewport text into paper space

2026-07-16 10:06:15 +03:00

web/fonts

feat(web): lazy per-script font loading for international CAD text

2026-06-20 16:13:26 +03:00

.gitignore

chore: ignore .claude/launch.json (local preview config)

2026-06-18 13:36:35 +03:00

build.rs

feat(start): show paying Patreon supporters on the Start page

2026-07-02 01:00:22 +03:00

Cargo.lock

build(deps): compile acadrust from the OpenAEC-Foundation/acadifc fork

2026-07-15 07:55:27 +03:00

Cargo.toml

build(deps): compile acadrust from the OpenAEC-Foundation/acadifc fork

2026-07-15 07:55:27 +03:00

COMMANDS.md

feat(attribute): route ATTMAN/BATTMAN to the attribute editor (ATTEDIT)

2026-07-11 09:37:54 +03:00

HEADER_AUDIT.md

feat: add HeaderVariables audit documentation

2026-05-20 05:57:16 +03:00

index.html

feat(web): lazy per-script font loading for international CAD text

2026-06-20 16:13:26 +03:00

LICENSE

Initial commit

2026-03-22 14:53:51 +03:00

README.md

Enhance README with star history chart

2026-07-09 00:33:42 +03:00

STATUSBAR.md

docs: add status bar items roadmap

2026-06-05 00:14:41 +03:00

Trunk.toml

fix(wasm): make the web build actually run in the browser

2026-06-16 17:53:56 +03:00

README.md

Open CAD Studio

OCS is a CAD application for 2D drafting and 3D modeling, built with Rust. Reads and writes DWG and DXF files natively. Also has a web version now!

OCS Web try it in the browser: https://hakanseven12.github.io/OpenCADStudio/

Features

File Formats

DWG read/write (R13 through R2018)
DXF read/write (R13 through R2018)
STL export (STLOUT / EXPORTSTL)
STEP AP203 export (STEPOUT)
OBJ import (IMPORTOBJ)
PDF export (plot layouts to PDF)
WBLOCK — write selected entities or a block to an external file
XREF — attach, reload, and auto-resolve external references

2D Drafting

Command	Description
`LINE`, `PLINE`, `RECTANG`, `POLYGON`	Basic geometry
`CIRCLE`, `ARC`, `ELLIPSE`, `SPLINE`	Curves
`HATCH`, `HATCHEDIT`	Hatch fills with pattern, scale, angle editing
`OFFSET`, `TRIM`, `EXTEND`, `FILLET`	Modify geometry (supports lines, arcs, ellipses, polylines, splines)
`BREAK`, `STRETCH`, `LENGTHEN`	Shape editing
`ARRAY`, `MIRROR`, `MOVE`, `COPY`, `ROTATE`, `SCALE`	Transformations
`EXPLODE`	Explode blocks, dimensions, polylines, mlines
`DDEDIT`	Double-click text editing
`MASSPROP`	Area, perimeter, centroid of selected entities

3D Modeling

Command	Description
`BOX`, `SPHERE`, `CYLINDER`	Solid primitives
`EXTRUDE`, `REVOLVE`	Profile-based solids
`LOFT`	Ruled-surface loft through cross-sections
`SWEEP`	Sweep a profile along a path
`ARRAY3D`	3D array
ACIS tessellation	Renders `3DSOLID`, `REGION`, and `BODY` entities

Annotations & Dimensions

Dimensions: Linear, Aligned, Angular, Radial, Diameter, Ordinate — with full DIMSTYLE support (DIMASZ, DIMSCALE, DIMEXO, DIMEXE, and more)
Text: MTEXT, TEXT, DTEXT with font browser (STYLE DIALOG)
Leaders: MLEADER with straight and spline path types; MLEADERSTYLE manager
Tolerances: GD&T feature control frames
Tables: TABLE entity render; TABLESTYLE manager
MLine: MLINE entity with MLSTYLE manager and EXPLODE support

Paper Space & Layouts

Multi-tab layout system with model space and unlimited paper space tabs
Viewport projection: Model content correctly projected into paper-space viewport rectangles
Camera persistence: View position and zoom saved per layout; restored on file open and tab switch
Correct paper size: Physical paper dimensions read from embedded PlotSettings (not drawing limits)
Inline MSPACE overlay — enter a viewport with double-click; edit model entities in place
VPORTS — preset viewport configurations (single, 2H, 2V, 4-way)
LAYOUTMANAGER / LAYOUTPANEL — GUI layout manager
PLOTSTYLEPANEL / STYLESMANAGER — plot style table editor (CTB/STB)
PRINT — send layout to system printer

Blocks & References

INSERT with attribute prompting (ATTREQ)
ATTEDIT — edit block attribute values interactively
REFEDIT / REFCLOSE — in-place block reference editing
XREF — attach, reload, and resolve external DWG/DXF references
DATAEXTRACTION — export entity property data to CSV

Snapping & Precision

Object snaps: Endpoint, Midpoint, Center, Node, Quadrant, Intersection, Perpendicular, Tangent, Nearest, Insertion, and more
Ellipse arc endpoints, LWPolyline arc midpoints, Hatch boundary points
Object Snap Tracking (OTRACK / F11)
Polar Tracking with configurable angle increment
Dynamic Input overlay (DYNMODE / F12)
Grid snap with adaptive spacing
Command history navigation (↑ / ↓)

Rendering

GPU-accelerated via WebGPU (wgpu)
4× MSAA anti-aliasing
Orthographic and perspective camera
ViewCube with face/edge/corner snapping
Wide polylines: LWPolyline and Polyline2D filled strokes
Raster images: GPU-textured quad pipeline (IMAGE command)
Wipeout: Solid fill masking
Complex linetypes: Text and shape elements rendered in linetype patterns
White/black entity colors adapt to background luminance
Per-viewport background color (BACKGROUND)
Visual style selector (Wireframe, Shaded, etc.)
X-ray ghost pass for selected wires occluded by geometry

UI

Modular ribbon interface — Home, Insert, Annotate, View, Manage, Layout
Command line with autocomplete and history
Layer Manager with per-viewport freeze columns
Properties panel
COLORSCHEME — runtime theme switching
SHORTCUTS — keyboard shortcuts panel
SPLINEDIT — close, open, reverse spline control points
UCS icon with 3D foreshortening and axis labels

Installation

Linux (AppImage)

Download OpenCADStudio-*-linux-x86_64.AppImage from the latest release, then:

chmod +x OpenCADStudio-*-linux-x86_64.AppImage
./OpenCADStudio-*-linux-x86_64.AppImage

No installation required — runs directly on any modern Linux distribution.

Windows

Download OpenCADStudio-*-windows-x86_64.exe from the latest release and run it directly. Windows SmartScreen may show "Windows protected your PC" because the binary is not yet code-signed — click More info → Run anyway.

macOS (Apple Silicon)

Apple Silicon (M-series) only; Intel macOS isn't built. The app is ad-hoc signed but not Apple-notarised (notarisation requires a paid Apple Developer ID), so macOS Gatekeeper guards the first launch. Pick whichever path is easiest:

Option A — Homebrew (recommended):

brew install --cask --no-quarantine \
  https://raw.githubusercontent.com/HakanSeven12/OpenCADStudio/main/packaging/homebrew/open-cad-studio.rb

--no-quarantine lets Gatekeeper skip the unsigned-app prompt. See packaging/homebrew/ for publishing this as a brew tap.

Option B — manual .dmg:

Download OpenCADStudio-*-macos-arm64.dmg from the latest release, open it, and drag OpenCADStudio.app to /Applications. If the first launch is blocked, clear the quarantine flag once:

xattr -dr com.apple.quarantine /Applications/OpenCADStudio.app

On older macOS you can instead right-click OpenCADStudio.app → Open and confirm; on macOS Ventura and later, approve it via System Settings → Privacy & Security → Open Anyway.

Build from Source

Requirements: Rust 1.75+

git clone https://github.com/HakanSeven12/OpenCADStudio.git
cd OpenCADStudio
cargo build --release --bin OpenCADStudio
./target/release/OpenCADStudio

Star History

License

GPL-3.0-only — see LICENSE

README.md Unescape Escape

Open CAD Studio

OCS Web try it in the browser: https://hakanseven12.github.io/OpenCADStudio/

Features

File Formats

2D Drafting

3D Modeling

Annotations & Dimensions

Paper Space & Layouts

Blocks & References

Snapping & Precision

Rendering

UI

Installation

Linux (AppImage)

Windows

macOS (Apple Silicon)

Build from Source

Star History

License

README.md