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Learn JavaFX 8: Building User Experience and Interfaces with Java 8 by Kishori Sharan

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CHAPTER 25

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Drawing on a Canvas

In this chapter, you will learn:

  • What the Canvas API is
  • How to create a canvas
  • How to draw on a canvas such as basic shapes, text, paths, and images
  • How to clear the canvas area
  • How to save and restore the drawing states in a GraphicsContext

What Is the Canvas API?

Through the javafx.scene.canvas package, JavaFX provides the Canvas API that offers a drawing surface to draw shapes, images, and text using drawing commands. The API also gives pixel-level access to the drawing surface where you can write any pixels on the surface. The API consists of only two classes:

  • Canvas
  • GraphicsContext

A canvas is a bitmap image, ...

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