new Matrix(context)
2D transformation matrix object initialized with identity matrix.
The matrix can synchronize a canvas context by supplying the context
as an argument, or later apply current absolute transform to an
existing context.
All values are handled as floating point values.
| Name | Type | Description |
|---|---|---|
context |
CanvasRenderingContext2D |
optional
Optional context to sync with Matrix |
Properties:
| Name | Type | Argument | Default | Description |
|---|---|---|---|---|
a |
number | scale x |
||
b |
number | shear y |
||
c |
number | shear x |
||
d |
number | scale y |
||
e |
number | translate x |
||
f |
number | translate y |
||
context |
CanvasRenderingContext2D | null |
<optional> |
null | set or get current canvas context |