© Jan Newmarch 2017

Jan Newmarch, Raspberry Pi GPU Audio Video Programming , 10.1007/978-1-4842-2472-4_18

18. Text Processing in OpenVG on the Raspberry Pi

Jan Newmarch1 

(1)Oakleigh, Victoria, Australia

Displaying text is an important function of any application. Drawing the text should be a low-level operation that the application should not be concerned with. It has to be done explicitly in OpenVG, and this chapter discusses various techniques of doing that.

Building Programs

The programs in this chapter require extra libraries in addition to the OpenVG libraries. These need to be installed with the following:

sudo apt-get install libcairo2-dev libpango1.0-dev

The FreeType 2 packages should already be installed, but if they are not, you will need ...

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