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# This file is passed to the linker. It defines that
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# only functions which start with prefix "Psych", e.g.,
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# PsychDrawText, PsychMeasureText, ... have global
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# scope in the process which loads the ptbdrawtext_ftgl.so
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# DrawText text rendering plugin.
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# All other functions only have local scope - they are
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# invisible to the hosting process.
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# We add this to avoid polluting the host process with
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# definitions of our own QT-Toolkit "lookalike" implementations
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# of a few internally used QT classes. Our lookalikes are
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# very thin emulations of the real QT classes, stripped to
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# the bare essentials needed for the OGLFT code to by happy.
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# They are incomplete, but API compatible bits, which are
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# entirely ABI incompatible.
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# This is important because Octave's native GUI uses the QT
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# toolkit for its GUI code and we want to avoid any kind of
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# possible interference between our plugin and the QT-GUI.