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Interactive TV Standards by Anthony Smith-Chaigneau, Steven Morris

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7 Graphics APIs

Almost every ITV application will need to draw some type of user interface (UI) on the screen. In this chapter we will show you how the MHP and OCAP graphics model works, and how to configure the receiver’s graphics device to meet your needs. We will also look at higher-level issues such as integrating graphics and video, the UI widgets that are available, and how we can handle input from a remote control or keyboard.

One of the major differences between developing applications for a PC and developing applications for a TV is the way the platform handles graphics. Developers in DTV environments have to be aware of the different graphics models, the issues involved in configuring the display devices and integrating video into ...

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