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Update README.md

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Michael Fogleman 2016-02-21 15:45:28 -05:00
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@ -111,6 +111,15 @@ RotateAbout(angle, x, y float64)
ShearAbout(sx, sy, x, y float64) ShearAbout(sx, sy, x, y float64)
TransformPoint(x, y float64) (tx, ty float64) TransformPoint(x, y float64) (tx, ty float64)
InvertY() InvertY()
```
Note: transforms do not currently affect `DrawImage` or `DrawString`.
## Stack Functions
Save and restore the state of the context. These can be nested.
```go
Push() Push()
Pop() Pop()
``` ```