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Sylvain Lesage
Software engineer at Hugging Face. Prototyping here with JS, d3, three.js.
Workspace
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Published
2 collections
By
Sylvain Lesage
Edited
Apr 13, 2020
Insert cell
Insert cell
canvasA
=
{
const
ctx
=
DOM
.
context2d
(
w
,
h
)
;
ctx
.
strokeStyle
=
'steelblue'
;
ctx
.
lineWidth
=
8
;
ctx
.
strokeRect
(
w
/
4
,
h
/
4
,
w
/
2
,
h
/
2
)
;
return
ctx
.
canvas
;
}
Insert cell
Insert cell
canvasB
=
{
const
ctx
=
DOM
.
context2d
(
w
,
h
)
;
ctx
.
strokeStyle
=
'red'
;
ctx
.
lineWidth
=
8
;
ctx
.
strokeRect
(
w
/
8
,
h
/
8
,
w
/
4
,
(
3
*
h
)
/
4
)
;
return
ctx
.
canvas
;
}
Insert cell
Insert cell
canvasC
=
{
const
ctx
=
DOM
.
context2d
(
w
,
h
)
;
// drawImage respects the transparency
ctx
.
drawImage
(
canvasA
,
0
,
0
,
w
,
h
)
;
ctx
.
drawImage
(
canvasB
,
0
,
0
,
w
,
h
)
;
return
ctx
.
canvas
;
}
Insert cell
Insert cell
Insert cell
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canvasA
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w
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h
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