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doc: revisions to doc/sources/gettingstarted/drawing.rst
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@ -2,11 +2,12 @@ Drawing
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-------
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Each widget has a canvas, i.e. a place to draw on. The canvas is a group of
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instructions that should be executed whenever there is a change to the widget's
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graphical representation.
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drawing instructions that should be executed whenever there is a change to the
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widget's graphical representation.
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You can add two types of instructions to the canvas: *context* instructions and
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*vertex* instructions. You can add instructions either from Python or from the
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kv file (the preferred way).
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*vertex* instructions. You can add instructions either from Python code or from
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the kv file (the preferred way).
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If you add them via the kv file, the advantage is that they are automatically
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updated when any property they depend on changes. In Python, you need to do
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this yourself.
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@ -17,7 +18,7 @@ In both cases, the canvas of `MyWidget` is re-drawn whenever the ``position``
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or the ``size`` of the widget changes.
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You can use **canvas.before** or **canvas.after**. This allows you to separate
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your instructions based on when you want them to happen.
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your instructions based on when you want them to be executed.
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For an in-depth look at how Kivy's graphics are handled, look
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:mod:`here <kivy.graphics>`.
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