canvasCheatSheet

canvasCheatSheet

Canvas Element

Attributes

Name	Type	Default
width	unsigned	300
height	unsigned	150

Methods

Return	Name
string	toDataURL( [Optional] string type, [Variadic] any args)
Object	getContext(string contextId)

2D Context

Attributes

Name	Type
canvas	HTMLCanvasObject[readonly]

Methods

Return	Name
void	save()
void	restore()

Transformation

Methods

Return	Name
void	scale(float x, float y)
void	rotate(float angle)
void	translate(float x, float y)
void	transform( float m11, float m12, float m21, float m22, float dx, float dy)
void	setTransform( float m11, float m12, float m21, float m22, float dx, float dy)

Image Drawing

Methods

Return	Name
void	drawImage( Object image, float dx, float dy, [Optional] float dw, float dh)
void	drawImage( Object image, float sx, float sy, float sw, float sh, float dx, float dy, float dw, float dh)

Compositing

Attributes

Name	Type	Default
globalAlpha	float	1.0
globalCompositeOperation	string	source-over

Line Style

Attributes

Name	Type	Default
lineWidth	float	1.0
lineCap	string	butt