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Learning Ext JS 4 by Armando Gonzalez, Crysfel Villa

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Chapter 13. From Drawing to Charting

The Ext JS 4 framework offers a complete drawing library used on the chart components. However, the Sencha team did not only focus on the charting components, they decided to implement a more versatile set of tools that are the core of the charting library.

This means that we can use the drawing package to implement cross-browser custom graphics. The drawing package contains a Surface class that abstracts the graphics implementation and enables the developer to create arbitrarily shaped sprites that respond to the user; it also provides a rich set of animations.

The topics we are going to cover in this chapter are as follows:

  • Basic drawing
  • Adding interactions
  • Charts
    • Legend
    • Axis
    • Gradients
    • Series
    • Theming
  • Series examples ...

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