Automattic/node-canvas

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Node canvas is a Cairo backed Canvas implementation for NodeJS.

Stars: 10.7k
Forks: 1.2k
Open beginner issues: 0
Indexed issues: 401
Avg merge: 4d 8h
Merged PRs (30d): 1

Dominant language: JavaScript
License: No license data
Last GitHub push: Aug 24, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue

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401 open issues indexed

node: symbol lookup error when trying to draw fonts with node-gd also loaded Open

Binaries

Automattic/node-canvas#1372 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
We are trying to install node-canvas on an Ms Azure app service, win, 32 bit environment. Open

Installation help

Automattic/node-canvas#1375 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SVG Path - elliptical arc not drawn correctly Open

Bug Help wanted

Automattic/node-canvas#1377 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
canvas and sharp library conflict Open

Binaries Bug

Automattic/node-canvas#1386 · 34 comments · 40 reactions · 0 assignees · Indexed Sep 14, 2026
Support for color values with percentage representation ? Open

Feature Help wanted

Automattic/node-canvas#1391 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Some GIF images are not handled properly Open

Images & Formats: GIF

Automattic/node-canvas#1399 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Segmentation fault: 11 when rendering SVG with 0 size Open

Bug Help wanted

Automattic/node-canvas#1400 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Implement pattern.setTransform() Open

Feature

Automattic/node-canvas#1411 · 4 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Prebuilt AWS Lambda Layer Open

Build

Automattic/node-canvas#1442 · 19 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Add support for PostScript surfaces Open

Feature

Automattic/node-canvas#1446 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support for color (OpenType SVG) fonts Open

Text & Fonts

Automattic/node-canvas#1449 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
Fonts don't render at all macOS Mojave Open

Text & Fonts

Automattic/node-canvas#1451 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Is it possible to render bold font while having only regular .ttf? Open

Text & Fonts

Automattic/node-canvas#1453 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Object.getOwnPropertyDescriptor(CanvasRenderingContext2D.prototype, "strokeStyle"); Open

Bug

Automattic/node-canvas#1460 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Image is not embedded in PDF when using target size parameters in drawImage() Open

Bug

Automattic/node-canvas#1462 · 3 comments · 7 reactions · 0 assignees · Indexed Sep 14, 2026
precompiled packages targeting electron are not available Open

Build

Automattic/node-canvas#1467 · 8 comments · 6 reactions · 0 assignees · Indexed Sep 14, 2026
node-canvas fails to convert between image types Open

SVG

Automattic/node-canvas#1473 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SVG not scaling with context Open

Help wanted

Automattic/node-canvas#1474 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Document or list/reference `ImageData` and other missing public APIs and further clarify which are non-standard Open

Feature

Automattic/node-canvas#1476 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
How to use a pre-defined family name in register_font.cc? Open

Text & Fonts

Automattic/node-canvas#1482 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Installation failed: Package zlib was not found in the pkg-config search path Open

Installation help

Automattic/node-canvas#1491 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
`ctx.fillText` with `ctx.scale` behaves poorly in pre-compiled instalation (OSX) Open

Bug

Automattic/node-canvas#1506 · 3 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
⭐ How to Troubleshoot Installation Open

Installation help

Automattic/node-canvas#1511 · 16 comments · 16 reactions · 0 assignees · Indexed Sep 14, 2026
Cannot use TTC font file ? Open

Text & Fonts

Automattic/node-canvas#1514 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Impact font not loaded on macos catalina Open

Text & Fonts

Automattic/node-canvas#1521 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
`drawImage` doesn't render properly when the context has both a scale and a shadow Open

Bug

Automattic/node-canvas#1522 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Incorrect text scaling Open

Bug Needs more info Text & Fonts

Automattic/node-canvas#1544 · 41 comments · 10 reactions · 0 assignees · Indexed Sep 14, 2026
i can't registerFont font ,alweys print ‘Error: Could not parse font file’ Open

Text & Fonts

Automattic/node-canvas#1545 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
canvas.toDataURL is missing SVG support Open

Feature

Automattic/node-canvas#1546 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
List available fonts? Open

Feature Text & Fonts

Automattic/node-canvas#1551 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
font not load Open

Text & Fonts

Automattic/node-canvas#1552 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Output and measureText differences between 2.6.0 and 2.6.1 Open

Text & Fonts

Automattic/node-canvas#1553 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SVGs with small dimensions are rendered pixelated Open

Bug

Automattic/node-canvas#1555 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Segmentation fault when calling fillText Open

Text & Fonts

Automattic/node-canvas#1564 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
has_lib.js gif detects libgif, but needs to detect libgif-dev specifically Open

Build

Automattic/node-canvas#1570 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Shadows not applied properly when using rounded lines Open

Bug

Automattic/node-canvas#1571 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
registerFont does not allow for two or more fonts with the same (preferred) family name, style, and weight Open

Text & Fonts

Automattic/node-canvas#1572 · 30 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Electron-rebuild canvas 2.6.1 fails on Windows 10: Canvas.obj : error LNK2001: unresolved external symbol Open

Installation help

Automattic/node-canvas#1589 · 24 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Text shows as tofu on Centos 8 with a custom font Open

Text & Fonts

Automattic/node-canvas#1592 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Unable to load custom font Open

Text & Fonts

Automattic/node-canvas#1600 · 3 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
putImageData segfaults if the given array is too small Open

Bug

Automattic/node-canvas#1601 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Can't load svg with base64 image inside Open

Bug Good first issue Help wanted SVG

Automattic/node-canvas#1607 · 8 comments · 6 reactions · 0 assignees · Indexed Sep 14, 2026
Unable to Use Custom Fonts Windows 10 Open

Text & Fonts

Automattic/node-canvas#1608 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
this PNG image crashes application when loading Open

Bug Images & Formats: PNG

Automattic/node-canvas#1612 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bad image quality in compression with html5 Open

Bug

Automattic/node-canvas#1619 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Wrong Image ColorSpace in PDF for JPEG with ICC Open

Bug Help wanted Images & Formats: JPEG

Automattic/node-canvas#1621 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Resizing canvas only partially clears Context settings Open

Bug

Automattic/node-canvas#1625 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Symbol not found: ____chkstk_darwin error on MacOS using node 14.5.0 Open

Binaries

Automattic/node-canvas#1626 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
How to control png chunks generation? Open

Feature

Automattic/node-canvas#1627 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
getImageData returns Changed Data Open

Help wanted

Automattic/node-canvas#1651 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026

Automattic/node-canvas

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