Compatibility Status

Canvas

Feature	Status
toBlob()	No support, see toBuffer()

getContext()

Feature	Status
getContext('2d')	(yes)
getContext('webgl')	No support
getContext('webgl2')	No support
2d alpha context attribute	Proposed in #935

toDataURL()

Feature	Status
image/png type	0.0.3
image/jpeg type	1.3.5 (2.0.0 on Windows)

⚠️ Non-standard APIs

Feature	Status
`new Canvas(..., 'pdf')	0.11.0
`new Canvas(..., 'svg')	1.2.0
new Canvas(Backend)	2.0.0
pngStream()	0.0.2, returns a true Stream in 0.5.2
jpegStream()	0.9.0 (2.0.0 on Windows)
pdfStream()	1.5.0 TODO this is undocumented
toBuffer()	0.0.1
toBuffer('raw')	1.6.0
toBuffer(callback) (async)	0.0.3
toBuffer PNG filters, compression level	1.1.0
`toDataURL(callback) (async)	0.0.3
registerFont()	2.0.0

CanvasRenderingContext2D

Drawing rectangles

Feature	Status
clearRect(), fillRect(), strokeRect()	0.0.1

Drawing text

Feature	Status
fillText()	0.0.1
strokeText()	0.0.1
measureText()	0.0.1
measureText() returns advanced text metrics	No support

Line styles

Feature	Status
lineWidth	0.0.1
lineCap	0.0.1
lineJoin	0.0.1
miterLimit	0.0.1
getLineDash()	1.1.4
setLineDash()	1.1.4
lineDashOffset	1.1.4

Text styles

Feature	Status
font	0.0.2
textAlign	0.0.2
textBaseline	0.0.2
🔬 direction	No support

Fill and stroke styles

Feature	Status
fillStyle	0.0.1
strokeStyle	0.0.1
#rgb, #rrggbb	0.0.1
rgb(), rgba()	0.0.1
hsl(), hsla()	1.2.0
transparent	0.0.1
rebeccapurple	1.2.0
#rgba, #rrggbbaa color	No support

Gradients and patterns

Feature	Status
createLinearGradient()	0.0.01
createRadialGradient()	0.0.01
createPattern()	0.10.0

Shadows

Feature	Status
shadowBlur	0.0.1
shadowColor	0.0.1
shadowOffsetX	0.0.1
shadowOffsetY	0.0.1

Paths

Feature	Status
beginPath(), closePath()	0.0.1
moveTo(), lineTo()	0.0.1
quadraticCurveTo(), bezierCurveTo()	0.0.1
arc()	0.0.1
arcTo()	0.3.0
🔬 ellipse()	No support
rect()	0.0.1

Drawing paths

Feature	Status
fill(), stroke()	0.0.1
drawFocusIfNeeded()	No support, not applicable
scrollPathIntoView()	No support, not applicable
clip()	0.0.1
isPointInPath()	0.0.1
isPointInStroke()	No support

Transformations

Feature	Status
🔬 currentTransform	No support
rotate(), scale(), translate(), transform()	0.0.1
setTransform()	0.0.1
🔬 resetTransform()	0.0.1

Compositing

Feature	Status
globalAlpha	0.0.1
globalCompositeOperation	0.0.1

Drawing images

Feature	Status
drawImage()	0.0.8
ImageBitmap as source image	No support

Pixel manipulation

Feature	Status
createImageData()	0.1.0
getImageData()	0.1.0
putImageData()	0.1.0

Image smoothing

Feature	Status
🔬 imageSmoothingEnabled	1.0.2

The canvas state

Feature	Status
save()	0.0.1
restore()	0.0.1
canvas	0.0.1

Hit regions

Feature	Status
addHitRegion(), removeHitRegion(), clearHitRegions()	No support, not applicable

⚠️ Non-standard APIs

Feature	Status
patternQuality
textDrawingMode
filter
additional global composite operators
antialias

ImageData

Feature	Status
Basic support	0.1.0
imageData.data is a Uint8ClampedArray	1.2.8
ImageData() constructor	1.3.0

CanvasGradient

Feature	Status
Basic support	0.1.0

CanvasPattern

Feature	Status
Basic support	0.10.0
🔬 setTransform()	No support

Image

Feature	Status
Basic support	0.0.6
src = dataurl	0.8.0
⚠️ src = buffer	0.0.6
⚠️ dataMode	0.12.1

ImageBitmap, ImageBitmapFactories, ImageBitmapRenderingContext

No support, Issue #876