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Rev 44342 Rev 44343
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	double ay;
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	double ay;
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	double by;
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	double by;
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} GTrans;
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} GTrans;
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typedef struct {
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typedef struct {
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#if 0
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    /* FIXME: why not talk to the device rather than having
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       multiple copies of these? */
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    /* Basic Device Driver Properties */
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    /* These MUST be set by device drivers on open */
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    /* These parameters cannot be set by the user */
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    /* although left, right, bottom, and top can be */
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    /* interrogated indirectly (i.e., par("din")) */
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    /* and cra can be interrogated directly (i.e., par("cra")) */
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    double left;	/* left raster coordinate */
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    double right;	/* right raster coordinate */
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    double bottom;	/* bottom raster coordinate */
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    double top;		/* top raster coordinate */
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    double xCharOffset;	/* x character addressing offset: unused */
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    double yCharOffset;	/* y character addressing offset */
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    double yLineBias;	/* 1/2 interline space as fraction of line height */
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    Rboolean canResizePlot;	/* can the graphics surface be resized */
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    Rboolean canChangeFont;	/* device has multiple fonts */
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    Rboolean canRotateText;	/* text can be rotated */
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    Rboolean canResizeText;	/* text can be resized */
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    Rboolean canClip;		/* Hardware clipping */
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    int canHAdj;	/* Can do at least some horizontal adjustment of text
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			   0 = none, 1 = {0,0.5, 1}, 2 = [0,1] */
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    /* a couple of the GRZ-like parameters that have to be */
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    /* set by the device */
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    double ipr[2];	/* Inches per raster; [0]=x, [1]=y */
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    double asp;		/* Pixel aspect ratio = ipr[1]/ipr[0] */
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#endif
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    /* This may get changed if the device is resized, in the
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       GE_ScalePS action */
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    double cra[2];	/* Character size in rasters; [0]=x, [1]=y */
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    /* Plot State */
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    /* Plot State */
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    /*
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    /*
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       When the device driver is started this is 0
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       When the device driver is started this is 0
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       After the first call to plot.new/perps it is 1
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       After the first call to plot.new/perps it is 1
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       Every graphics operation except plot.new/persp
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       Every graphics operation except plot.new/persp
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       should fail if state = 0
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       should fail if state = 0
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       This is checked at the highest internal function
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       This is checked at the highest internal function
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       level (e.g., do_lines, do_axis, do_plot_xy, ...)
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       level (e.g., do_lines, do_axis, do_plot_xy, ...)
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    */
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    */
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    int	state;		/* Plot State */
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    int	state;		/* plot state: 1 if GNewPlot has been called
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			   (by plot.new or persp) */
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    Rboolean valid;	/* valid layout ? */
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    Rboolean valid;	/* valid layout ?  Used in GCheckState & do_playDL */
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    /* GRZ-like Graphics Parameters */
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    /* GRZ-like Graphics Parameters */
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    /* ``The horror, the horror ... '' */
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    /* ``The horror, the horror ... '' */
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    /* Marlon Brando - Appocalypse Now */
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    /* Marlon Brando - Appocalypse Now */
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			/* [0] = location of axis title */
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			/* [0] = location of axis title */
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			/* [1] = location of axis label */
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			/* [1] = location of axis label */
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			/* [2] = location of axis line */
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			/* [2] = location of axis line */
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    double mkh;		/* Mark size in inches */
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    double mkh;		/* Mark size in inches */
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    int	pch;		/* Plotting character */
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    int	pch;		/* Plotting character */
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    /* Note that ps is never changed, so always the same as dev->startps.
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       However, the ps in the graphics context is changed */
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    int ps;		/* Text & symbol pointsize */
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    int ps;		/* Text & symbol pointsize */
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    int	smo;		/* Curve smoothness */
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    int	smo;		/* Curve smoothness */
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    double srt;		/* String Rotation */
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    double srt;		/* String Rotation */
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    double tck;		/* Tick size as in S */
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    double tck;		/* Tick size as in S */
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    double tcl;		/* Tick size in "lines" */
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    double tcl;		/* Tick size in "lines" */
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    /* kept to avoid changing the structure */
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    double tmag;	/* **DEFUNCT** Title Magnification */
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    /* int	type;	    type of plot desired -- removed in 2.3.0 */
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    double xaxp[3];	/* X Axis annotation */
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    double xaxp[3];	/* X Axis annotation */
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			/* [0] = coordinate of lower tick */
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			/* [0] = coordinate of lower tick */
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			/* [1] = coordinate of upper tick */
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			/* [1] = coordinate of upper tick */
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			/* [2] = num tick intervals */
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			/* [2] = num tick intervals */
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			/* almost always used internally */
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			/* almost always used internally */
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    int	xaxs;		/* X Axis style */
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    int	xaxs;		/* X Axis style */
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    int	xaxt;		/* X Axis type */
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    int	xaxt;		/* X Axis type */
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    Rboolean xlog;	/* Log Axis for X */
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    int	xpd;		/* Clip to plot region indicator */
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    int	xpd;		/* Clip to plot region indicator */
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    int	oldxpd;
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    int	oldxpd;
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    double yaxp[3];	/* Y Axis annotation */
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    double yaxp[3];	/* Y Axis annotation */
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    int	yaxs;		/* Y Axis style */
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    int	yaxs;		/* Y Axis style */
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    int	yaxt;		/* Y Axis type */
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    int	yaxt;		/* Y Axis type */
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    Rboolean xlog;	/* Log Axis for X */
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    Rboolean ylog;	/* Log Axis for Y */
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    Rboolean ylog;	/* Log Axis for Y */
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    /* Annotation Parameters */
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    /* Annotation Parameters */
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    float cexbase;	/* Base character size */
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    float cexbase;	/* Base character size */
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    /* set directly by the user) */
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    /* set directly by the user) */
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    /* The reliability of these parameters relies on */
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    /* The reliability of these parameters relies on */
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    /* the fact that plot.new is the */
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    /* the fact that plot.new is the */
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    /* first graphics operation called in the creation */
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    /* first graphics operation called in the creation */
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    /* of a graph */
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    /* of a graph  (unless it is a call to persp) */
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    /* udpated per plot.new */
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    /* udpated per plot.new */
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    double xNDCPerChar;	/* Nominal character width (NDC) */
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    double xNDCPerChar;	/* Nominal character width (NDC) */
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    double yNDCPerChar;	/* Nominal character height (NDC) */
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    double yNDCPerChar;	/* Nominal character height (NDC) */
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 * from graphics.c, used in plot.c, plotmath.c
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 * from graphics.c, used in plot.c, plotmath.c
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 */
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 */
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void gcontextFromGP(R_GE_gcontext *gc, DevDesc *dd);
 305 
void gcontextFromGP(R_GE_gcontext *gc, DevDesc *dd);
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/* From base.c */
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/* From base.c */
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#define gpptr Rf_gpptr
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#define dpptr Rf_dpptr
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GPar* Rf_gpptr(DevDesc *dd);
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GPar* Rf_gpptr(DevDesc *dd);
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GPar* Rf_dpptr(DevDesc *dd);
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GPar* Rf_dpptr(DevDesc *dd);
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GPar* Rf_dpSavedptr(DevDesc *dd);
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#endif /* GRAPHICS_H_ */
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#endif /* GRAPHICS_H_ */