commit: Fully fix quickZoom on Unix.

From: Martin Sevior (msevior@seviorpc.ph.unimelb.edu.au)
Date: Tue Oct 14 2003 - 22:26:31 EDT

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CVS:
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CVS: Enter Log. Lines beginning with `CVS:' are removed automatically
CVS:
CVS: Committing in .
CVS:
CVS: Modified Files:
CVS: src/af/gr/cocoa/gr_CocoaGraphics.h
CVS: src/af/gr/qnx/gr_QNXGraphics.h
CVS: src/af/gr/unix/gr_UnixGraphics.h
CVS: src/af/gr/win/gr_Win32Graphics.h src/af/gr/xp/gr_Graphics.h
CVS: src/af/xap/unix/xap_UnixFrameImpl.cpp
CVS: src/af/xap/unix/xap_UnixNullGraphics.h
CVS: src/af/xap/unix/xap_UnixPSGraphics.h
CVS: src/af/xap/unix/gnome/xap_UnixGnomePrintGraphics.h
CVS: src/text/fmt/xp/fl_DocLayout.cpp
CVS: src/text/fmt/xp/fl_DocLayout.h
CVS: src/text/fmt/xp/fp_ContainerObject.cpp
CVS: src/text/fmt/xp/fp_ContainerObject.h src/text/fmt/xp/fp_Run.h
CVS: src/wp/ap/xp/ap_Frame.cpp
CVS:
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Fully fix quickZoom. It works fine on Unix. It might even work on the
other platforms.

Now it re-allocates the fonts for the new zoom percentage as it redraws
the screen. I had to defeat the local font pointer logic by introducing
a new pure virtual method in the gr_Graphics class. It's clearFont which
simply sets the current font pointer in the graphics class to NULL so a
call to setFont is guarenteed to allocate a new font.

Martin

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