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Rev 30956 Rev 31938
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     * Stuff about the device that only the graphics engine sees
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     * Stuff about the device that only the graphics engine sees
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     * (the devices don't see it).
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     * (the devices don't see it).
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     * Display list stuff should come here from NewDevDesc struct.
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     * Display list stuff should come here from NewDevDesc struct.
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     */
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     */
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    Rboolean dirty;  /* Has the device received any output? */
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    Rboolean dirty;  /* Has the device received any output? */
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    Rboolean recordGraphics; /* Should a graphics call be stored
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			      * on the display list?
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			      * Set to FALSE by do_recordGraphics,
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			      * do_dotcallgr, and do_Externalgr
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			      * so that nested calls are not
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			      * recorded on the display list
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			      */
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    /*
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    /*
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     * Stuff about the device that only graphics systems see.
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     * Stuff about the device that only graphics systems see.
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     * The graphics engine has no idea what is in here.
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     * The graphics engine has no idea what is in here.
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     * Used by graphics systems to store system state per device.
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     * Used by graphics systems to store system state per device.
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     */
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     */
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GEDevDesc* GEcurrentDevice();
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GEDevDesc* GEcurrentDevice();
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Rboolean GEdeviceDirty(GEDevDesc *dd);
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Rboolean GEdeviceDirty(GEDevDesc *dd);
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void GEdirtyDevice(GEDevDesc *dd);
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void GEdirtyDevice(GEDevDesc *dd);
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Rboolean GEcheckState(GEDevDesc *dd);
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Rboolean GEcheckState(GEDevDesc *dd);
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Rboolean GErecording(SEXP call, GEDevDesc *dd);
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void GErecordGraphicOperation(SEXP op, SEXP args, GEDevDesc *dd);
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void GErecordGraphicOperation(SEXP op, SEXP args, GEDevDesc *dd);
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void GEinitDisplayList(GEDevDesc *dd);
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void GEinitDisplayList(GEDevDesc *dd);
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void GEplayDisplayList(GEDevDesc *dd);
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void GEplayDisplayList(GEDevDesc *dd);
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void GEcopyDisplayList(int fromDevice);
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void GEcopyDisplayList(int fromDevice);
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SEXP GEcreateSnapshot(GEDevDesc *dd);
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SEXP GEcreateSnapshot(GEDevDesc *dd);
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void GEplaySnapshot(SEXP snapshot, GEDevDesc* dd);
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void GEplaySnapshot(SEXP snapshot, GEDevDesc* dd);
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void GEonExit();