August 2006
Intermediate to advanced
1018 pages
34h 13m
English
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Name
CanvasRenderingContext2D.save( ): save a copy of the current graphics state
Synopsis
void save( )
Description
save( ) pushes a copy of
the current graphics state onto a stack of saved graphics states.
This allows you to temporarily change the graphics state, and then
restore the previous values with a call to restore( ).
The graphics state of a canvas includes all the properties of
the CanvasRenderingContext2D object (except for the read-only
canvas property). It also
includes the transformation matrix that is the result of calls to
rotate( ), scale( ), and translate( ). Additionally, it includes
the clipping path, which is specified with the clip( ) method. Note, however, that the
current path and current position are not part of the graphics state
and are not saved by this method.
Bugs
Firefox 1.5 does not save and restore the strokeStyle property.
See Also
CanvasRenderingContext2D.restore(
)
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.