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/*
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/*
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 *  R : A Computer Language for Statistical Data Analysis
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 *  R : A Computer Language for Statistical Data Analysis
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 *  Copyright (C) 2001-4 The R Development Core Team.
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 *  Copyright (C) 2001-5 The R Development Core Team.
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 *
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU Lesser General Public License as published by
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 *  it under the terms of the GNU Lesser General Public License as published by
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 *  the Free Software Foundation; either version 2.1 of the License, or
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 *  the Free Software Foundation; either version 2.1 of the License, or
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 *  (at your option) any later version.
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 *  (at your option) any later version.
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 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 */
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 */
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/* Used by third-party graphics devices */
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/* Used by third-party graphics devices */
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#ifndef R_GRAPHICSENGINE_H_
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#define R_GRAPHICSENGINE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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/*
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 * The current graphics engine (including graphics device) API version
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 * The current graphics engine (including graphics device) API version
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 * MUST be integer
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 * MUST be integer
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 *
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 *
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 * This number should be bumped whenever there are changes to
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 * This number should be bumped whenever there are changes to
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 * that compile against these headers (graphics systems such as
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 * that compile against these headers (graphics systems such as
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 * graphics and grid;  graphics devices such as gtkDevice, RSvgDevice)
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 * graphics and grid;  graphics devices such as gtkDevice, RSvgDevice)
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 * can detect any version mismatch.
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 * can detect any version mismatch.
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 *
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 *
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 * Version 1:  Introduction of the version number.
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 * Version 1:  Introduction of the version number.
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 * Version 2:  GEDevDesc *dd dropped from GEcontourLines().
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 */
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 */
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#define R_GE_version 1
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#define R_GE_version 2
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int R_GE_getVersion();
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int R_GE_getVersion();
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void R_GE_checkVersionOrDie(int version);
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void R_GE_checkVersionOrDie(int version);
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/*
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/*
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 * From plot3d.c
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 * From plot3d.c
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 */
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 */
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SEXP GEcontourLines(double *x, int nx, double *y, int ny,
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SEXP GEcontourLines(double *x, int nx, double *y, int ny,
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		    double *z, double *levels, int nl,
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		    double *z, double *levels, int nl);
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		    GEDevDesc *dd);
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/*
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/*
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 * (End from plot3d.c)
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 * (End from plot3d.c)
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 */
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 */
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/*
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/*
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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();
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void GEonExit();
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void GEnullDevice();
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void GEnullDevice();
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#ifdef __cplusplus
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}
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#endif
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#endif /* R_GRAPHICSENGINE_ */