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Chapter 2. Drawing on the Canvas > The Canvas State
2.3. The Canvas State
When we draw on the Canvas context, we can make use of a stack of so-called drawing states. Each of these states stores data about the Canvas context at any one time. Here is a list of the data stored in the stack for each state:
Transformation matrix information such as rotations or translations using the context.rotate() and context.setTransform() methods
The current clipping region
