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/** R : A Computer Language for Statistical Data Analysis* Copyright (C) 1995, 1996 Robert Gentleman and Ross Ihaka* Copyright (C) 1997--2010 The R Development Core Team.** This program is free software; you can redistribute it and/or modify* it under the terms of the GNU General Public License as published by* the Free Software Foundation; either version 2 of the License, or* (at your option) any later version.** This program is distributed in the hope that it will be useful,* but WITHOUT ANY WARRANTY; without even the implied warranty of* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the* GNU General Public License for more details.** You should have received a copy of the GNU General Public License* along with this program; if not, a copy is available at* http://www.r-project.org/Licenses/**** GRZ-like state information.** This is a quick knock-off of the GRZ library to provide a basic* S-like graphics capability for R. Basically this bit of code* provides the functionality of the "par" function in S.** "The horror, the horror ..."* Marlon Brando in Apocalypse Now.** Main functions:* do_par(.) and* do_layout(.) implement R's par(.), layout()rely on** Specify(.) [ par(what = value) ]* Specify2(.) [ <highlevelplot>(what = value) ]* Query(.) [ par(what) ]*/#ifdef HAVE_CONFIG_H#include <config.h>#endif#include <Defn.h>#include <Rmath.h>#include <Graphics.h> /* "GPar" structure + COMMENTS */typedef struct {char *name;int code; /* 0 normal, 1 not inline, 2 read-only-1 unknown, -2 obselete, -3 graphical args*/} ParTab;static const ParTabParTable [] = {{ "adj", 0 },{ "ann", 0 },{ "ask", 1 },{ "bg", 0 },{ "bty", 0 },{ "cex", 0 },{ "cex.axis", 0 },{ "cex.lab", 0 },{ "cex.main", 0 },{ "cex.sub", 0 },{ "cin", 2 },{ "col", 0 },{ "col.axis", 0 },{ "col.lab", 0 },{ "col.main", 0 },{ "col.sub", 0 },{ "cra", 2 },{ "crt", 0 },{ "csi", 2 },{ "csy", 0 },{ "cxy", 2 },{ "din", 2 },{ "err", 0 },{ "family", 0 },{ "fg", 0 },{ "fig", 1 },{ "fin", 1 },{ "font", 0 },{ "font.axis", 0 },{ "font.lab", 0 },{ "font.main", 0 },{ "font.sub", 0 },{ "lab", 0 },{ "las", 0 },{ "lend", 0 },{ "lheight", 1 },{ "ljoin", 0 },{ "lmitre", 0 },{ "lty", 0 },{ "lwd", 0 },{ "mai", 1 },{ "mar", 1 },{ "mex", 1 },{ "mfcol", 1 },{ "mfg", 1 },{ "mfrow", 1 },{ "mgp", 0 },{ "mkh", 0 },{ "new", 1 },{ "oma", 1 },{ "omd", 1 },{ "omi", 1 },{ "pch", 0 },{ "pin", 1 },{ "plt", 1 },{ "ps", 1 },{ "pty", 1 },{ "smo", 0 },{ "srt", 0 },{ "tck", 0 },{ "tcl", 0 },{ "usr", 1 },{ "xaxp", 0 },{ "xaxs", 0 },{ "xaxt", 0 },{ "xlog", 1 },{ "xpd", 0 },{ "yaxp", 0 },{ "yaxs", 0 },{ "yaxt", 0 },{ "ylog", 1 },/* Obsolete pars */{ "gamma", -2},{ "type", -2},{ "tmag", -2},/* Non-pars that might get passed to Specify2 */{ "asp", -3},{ "main", -3},{ "sub", -3},{ "xlab", -3},{ "ylab", -3},{ "xlim", -3},{ "ylim", -3},{ NULL, -1}};static int ParCode(const char *what){int i;for (i = 0; ParTable[i].name; i++)if (!strcmp(what, ParTable[i].name)) return ParTable[i].code;return -1;}static void par_error(const char *what){error(_("invalid value specified for graphical parameter \"%s\""), what);}static void lengthCheck(const char *what, SEXP v, int n, SEXP call){if (length(v) != n)error(_("graphical parameter \"%s\" has the wrong length"),what);}static void nonnegIntCheck(int x, const char *s){if (x == NA_INTEGER || x < 0)par_error(s);}static void posIntCheck(int x, const char *s){if (x == NA_INTEGER || x <= 0)par_error(s);}static void posRealCheck(double x, const char *s){if (!R_FINITE(x) || x <= 0)par_error(s);}static void nonnegRealCheck(double x, const char *s){if (!R_FINITE(x) || x < 0)par_error(s);}static void naRealCheck(double x, const char *s){if (!R_FINITE(x))par_error(s);}static void logAxpCheck(int x, const char *s){if (x == NA_INTEGER || x == 0 || x > 4)par_error(s);}static void BoundsCheck(double x, double a, double b, const char *s){/* Check if a <= x <= b */if (!R_FINITE(x) || (R_FINITE(a) && x < a) || (R_FINITE(b) && x > b))par_error(s);}/* When any one of the layout parameters (which can only be set via *//* par(...)) is modified, must call GReset() to update the layout and *//* the transformations between coordinate systems *//* These will be defined differently for Specify() and Specify2() : *//* <FIXME> do not need separate macros for a = b = c and b = a = c */#define R_DEV__(_P_) dpptr(dd)->_P_ = gpptr(dd)->_P_#define R_DEV_2(_P_) gpptr(dd)->_P_ = dpptr(dd)->_P_/* In Emacs : -- only inside Specify() :* (query-replace-regexp"dpptr(dd)->\\([][A-Za-z0-9]+\\) = gpptr(dd)->\\(\\1\\)""R_DEV__(\\1)" nil nil nil)(query-replace-regexp"gpptr(dd)->\\([][A-Za-z0-9]+\\) = dpptr(dd)->\\(\\1\\)""R_DEV_2(\\1)" nil nil nil)*/static void Specify(const char *what, SEXP value, pGEDevDesc dd, SEXP call){/* If you ADD a NEW par, then do NOT forget to update the code in* ../library/base/R/par.R* Parameters in Specify(),* which can*not* be specified in high-level functions,* i.e., by Specify2() [below]:* this list is in \details{.} of ../library/base/man/par.Rd* ------------------------* "ask",* "family", "fig", "fin",* "lheight",* "mai", "mar", "mex", "mfrow", "mfcol", "mfg",* "new",* "oma", "omd", "omi",* "pin", "plt", "ps", "pty"* "usr",* "xlog", "ylog"*/double x;int ix = 0;/* If we get here, Query has already checked that 'what' is valid */if (ParCode(what) == 2) {warning(_("graphical parameter \"%s\" cannot be set"), what);return;}#include "par-common.c"/* ------------*--- now, these are *different* from "Specify2() use" : */else if (streql(what, "bg")) {lengthCheck(what, value, 1, call);ix = RGBpar3(value, 0, dpptr(dd)->bg);/* naIntCheck(ix, what); */R_DEV__(bg) = ix;R_DEV__(new) = FALSE;}else if (streql(what, "cex")) {lengthCheck(what, value, 1, call); x = asReal(value);posRealCheck(x, what);R_DEV__(cex) = 1.0; /* ! (highlevel par, i.e. Specify2(), set x ! */R_DEV__(cexbase) = x;}else if (streql(what, "fg")) {/* par(fg=) sets BOTH "fg" and "col" */lengthCheck(what, value, 1, call);ix = RGBpar3(value, 0, dpptr(dd)->bg);/* naIntCheck(ix, what); */R_DEV__(col) = R_DEV__(fg) = ix;}/*--- and these are "Specify() only" {i.e. par(nam = val)} : */else if (streql(what, "ask")) {lengthCheck(what, value, 1, call); ix = asLogical(value);dd->ask = (ix == 1);/* NA |-> FALSE */}else if (streql(what, "fig")) {value = coerceVector(value, REALSXP);lengthCheck(what, value, 4, call);if (0.0 <= REAL(value)[0] && REAL(value)[0] < REAL(value)[1] &&REAL(value)[1] <= 1.0 &&0.0 <= REAL(value)[2] && REAL(value)[2] < REAL(value)[3] &&REAL(value)[3] <= 1.0) {R_DEV_2(defaultFigure) = 0;R_DEV_2(fUnits) = NIC;R_DEV_2(numrows) = 1;R_DEV_2(numcols) = 1;R_DEV_2(heights[0]) = 1;R_DEV_2(widths[0]) = 1;R_DEV_2(cmHeights[0]) = 0;R_DEV_2(cmWidths[0]) = 0;R_DEV_2(order[0]) = 1;R_DEV_2(currentFigure) = 1;R_DEV_2(lastFigure) = 1;R_DEV__(rspct) = 0;R_DEV_2(fig[0]) = REAL(value)[0];R_DEV_2(fig[1]) = REAL(value)[1];R_DEV_2(fig[2]) = REAL(value)[2];R_DEV_2(fig[3]) = REAL(value)[3];GReset(dd);}else par_error(what);}else if (streql(what, "family")) {const char *ss;value = coerceVector(value, STRSXP);lengthCheck(what, value, 1, call);ss = translateChar(STRING_ELT(value, 0));if(strlen(ss) > 200)error(_("graphical parameter 'family' has a maximum length of 200 bytes"));strncpy(dpptr(dd)->family, ss, 201);strncpy(gpptr(dd)->family, ss, 201);}else if (streql(what, "fin")) {value = coerceVector(value, REALSXP);lengthCheck(what, value, 2, call);R_DEV_2(defaultFigure) = 0;R_DEV_2(fUnits) = INCHES;R_DEV_2(numrows) = 1;R_DEV_2(numcols) = 1;R_DEV_2(heights[0]) = 1;R_DEV_2(widths[0]) = 1;R_DEV_2(cmHeights[0]) = 0;R_DEV_2(cmWidths[0]) = 0;R_DEV_2(order[0]) = 1;R_DEV_2(currentFigure) = 1;R_DEV_2(lastFigure) = 1;R_DEV__(rspct) = 0;R_DEV_2(fin[0]) = REAL(value)[0];R_DEV_2(fin[1]) = REAL(value)[1];GReset(dd);}/* -- */else if (streql(what, "lheight")) {lengthCheck(what, value, 1, call);x = asReal(value);posRealCheck(x, what);R_DEV__(lheight) = x;}else if (streql(what, "mai")) {value = coerceVector(value, REALSXP);lengthCheck(what, value, 4, call);nonnegRealCheck(REAL(value)[0], what);nonnegRealCheck(REAL(value)[1], what);nonnegRealCheck(REAL(value)[2], what);nonnegRealCheck(REAL(value)[3], what);R_DEV__(mai[0]) = REAL(value)[0];R_DEV__(mai[1]) = REAL(value)[1];R_DEV__(mai[2]) = REAL(value)[2];R_DEV__(mai[3]) = REAL(value)[3];R_DEV__(mUnits) = INCHES;R_DEV__(defaultPlot) = TRUE;GReset(dd);}else if (streql(what, "mar")) {value = coerceVector(value, REALSXP);lengthCheck(what, value, 4, call);nonnegRealCheck(REAL(value)[0], what);nonnegRealCheck(REAL(value)[1], what);nonnegRealCheck(REAL(value)[2], what);nonnegRealCheck(REAL(value)[3], what);R_DEV__(mar[0]) = REAL(value)[0];R_DEV__(mar[1]) = REAL(value)[1];R_DEV__(mar[2]) = REAL(value)[2];R_DEV__(mar[3]) = REAL(value)[3];R_DEV__(mUnits) = LINES;R_DEV__(defaultPlot) = TRUE;GReset(dd);}else if (streql(what, "mex")) {lengthCheck(what, value, 1, call); x = asReal(value);posRealCheck(x, what);R_DEV__(mex) = x;GReset(dd);}else if (streql(what, "mfrow")) {int nrow, ncol;value = coerceVector(value, INTSXP);lengthCheck(what, value, 2, call);posIntCheck(INTEGER(value)[0], what);posIntCheck(INTEGER(value)[1], what);nrow = INTEGER(value)[0];ncol = INTEGER(value)[1];R_DEV_2(numrows) = nrow;R_DEV_2(numcols) = ncol;R_DEV_2(currentFigure) = nrow*ncol;R_DEV_2(lastFigure) = nrow*ncol;R_DEV_2(defaultFigure) = TRUE;R_DEV_2(layout) = FALSE;if (nrow > 2 || ncol > 2) {R_DEV_2(cexbase) = 0.66;R_DEV_2(mex) = 1.0;}else if (nrow == 2 && ncol == 2) {R_DEV_2(cexbase) = 0.83;R_DEV_2(mex) = 1.0;}else {R_DEV_2(cexbase) = 1.0;R_DEV_2(mex) = 1.0;}R_DEV__(mfind) = 0;GReset(dd);}else if (streql(what, "mfcol")) {int nrow, ncol;value = coerceVector(value, INTSXP);lengthCheck(what, value, 2, call);posIntCheck(INTEGER(value)[0], what);posIntCheck(INTEGER(value)[1], what);nrow = INTEGER(value)[0];ncol = INTEGER(value)[1];R_DEV_2(numrows) = nrow;R_DEV_2(numcols) = ncol;R_DEV_2(currentFigure) = nrow*ncol;R_DEV_2(lastFigure) = nrow*ncol;R_DEV_2(defaultFigure) = TRUE;R_DEV_2(layout) = FALSE;if (nrow > 2 || ncol > 2) {R_DEV_2(cexbase) = 0.66;R_DEV_2(mex) = 1.0;}else if (nrow == 2 && ncol == 2) {R_DEV_2(cexbase) = 0.83;R_DEV_2(mex) = 1.0;}else {R_DEV__(cexbase) = 1.0;R_DEV__(mex) = 1.0;}R_DEV__(mfind) = 1;GReset(dd);}else if (streql(what, "mfg")) {int row, col, nrow, ncol, np;value = coerceVector(value, INTSXP);np = length(value);if(np != 2 && np != 4)error(_("parameter \"mfg\" has the wrong length"));posIntCheck(INTEGER(value)[0], what);posIntCheck(INTEGER(value)[1], what);row = INTEGER(value)[0];col = INTEGER(value)[1];nrow = dpptr(dd)->numrows;ncol = dpptr(dd)->numcols;if(row <= 0 || row > nrow)error(_("parameter \"i\" in \"mfg\" is out of range"));if(col <= 0 || col > ncol)error(_("parameter \"j\" in \"mfg\" is out of range"));if(np == 4) {posIntCheck(INTEGER(value)[2], what);posIntCheck(INTEGER(value)[3], what);if(nrow != INTEGER(value)[2])warning(_("value of nr in \"mfg\" is wrong and will be ignored"));if(ncol != INTEGER(value)[3])warning(_("value of nc in \"mfg\" is wrong and will be ignored"));}R_DEV_2(lastFigure) = nrow*ncol;/*R_DEV__(mfind) = 1;*//* currentFigure is 1-based */if(gpptr(dd)->mfind)dpptr(dd)->currentFigure = (col-1)*nrow + row;else dpptr(dd)->currentFigure = (row-1)*ncol + col;/*if (dpptr(dd)->currentFigure == 0)dpptr(dd)->currentFigure = dpptr(dd)->lastFigure;*/R_DEV_2(currentFigure);/* R_DEV_2(defaultFigure) = TRUE;R_DEV_2(layout) = FALSE; */R_DEV_2(new) = TRUE;GReset(dd);/* Force a device clip */if (dd->dev->canClip) GForceClip(dd);} /* mfg */else if (streql(what, "new")) {lengthCheck(what, value, 1, call);ix = asLogical(value);if(!gpptr(dd)->state) {/* no need to warn with new=FALSE and no plot */if(ix != 0) warning(_("calling par(new=TRUE) with no plot"));} else R_DEV__(new) = (ix != 0);}/* -- */else if (streql(what, "oma")) {value = coerceVector(value, REALSXP);lengthCheck(what, value, 4, call);nonnegRealCheck(REAL(value)[0], what);nonnegRealCheck(REAL(value)[1], what);nonnegRealCheck(REAL(value)[2], what);nonnegRealCheck(REAL(value)[3], what);R_DEV__(oma[0]) = REAL(value)[0];R_DEV__(oma[1]) = REAL(value)[1];R_DEV__(oma[2]) = REAL(value)[2];R_DEV__(oma[3]) = REAL(value)[3];R_DEV__(oUnits) = LINES;/* !!! Force eject of multiple figures !!! */R_DEV__(currentFigure) = gpptr(dd)->lastFigure;GReset(dd);}else if (streql(what, "omd")) {value = coerceVector(value, REALSXP);lengthCheck(what, value, 4, call);BoundsCheck(REAL(value)[0], 0.0, 1.0, what);BoundsCheck(REAL(value)[1], 0.0, 1.0, what);BoundsCheck(REAL(value)[2], 0.0, 1.0, what);BoundsCheck(REAL(value)[3], 0.0, 1.0, what);R_DEV__(omd[0]) = REAL(value)[0];R_DEV__(omd[1]) = REAL(value)[1];R_DEV__(omd[2]) = REAL(value)[2];R_DEV__(omd[3]) = REAL(value)[3];R_DEV__(oUnits) = NDC;/* Force eject of multiple figures */R_DEV__(currentFigure) = gpptr(dd)->lastFigure;GReset(dd);}else if (streql(what, "omi")) {value = coerceVector(value, REALSXP);lengthCheck(what, value, 4, call);nonnegRealCheck(REAL(value)[0], what);nonnegRealCheck(REAL(value)[1], what);nonnegRealCheck(REAL(value)[2], what);nonnegRealCheck(REAL(value)[3], what);R_DEV__(omi[0]) = REAL(value)[0];R_DEV__(omi[1]) = REAL(value)[1];R_DEV__(omi[2]) = REAL(value)[2];R_DEV__(omi[3]) = REAL(value)[3];R_DEV__(oUnits) = INCHES;/* Force eject of multiple figures */R_DEV__(currentFigure) = gpptr(dd)->lastFigure;GReset(dd);}/* -- */else if (streql(what, "pin")) {value = coerceVector(value, REALSXP);lengthCheck(what, value, 2, call);nonnegRealCheck(REAL(value)[0], what);nonnegRealCheck(REAL(value)[1], what);R_DEV__(pin[0]) = REAL(value)[0];R_DEV__(pin[1]) = REAL(value)[1];R_DEV__(pUnits) = INCHES;R_DEV__(defaultPlot) = FALSE;GReset(dd);}else if (streql(what, "plt")) {value = coerceVector(value, REALSXP);lengthCheck(what, value, 4, call);nonnegRealCheck(REAL(value)[0], what);nonnegRealCheck(REAL(value)[1], what);nonnegRealCheck(REAL(value)[2], what);nonnegRealCheck(REAL(value)[3], what);R_DEV__(plt[0]) = REAL(value)[0];R_DEV__(plt[1]) = REAL(value)[1];R_DEV__(plt[2]) = REAL(value)[2];R_DEV__(plt[3]) = REAL(value)[3];R_DEV__(pUnits) = NFC;R_DEV__(defaultPlot) = FALSE;GReset(dd);}else if (streql(what, "ps")) {lengthCheck(what, value, 1, call); ix = asInteger(value);nonnegIntCheck(ix, what);R_DEV__(ps) = ix;}else if (streql(what, "pty")) {if (!isString(value) || LENGTH(value) < 1)par_error(what);ix = CHAR(STRING_ELT(value, 0))[0];if (ix == 'm' || ix == 's') {R_DEV__(pty) = ix;R_DEV__(defaultPlot) = TRUE;}else par_error(what);}/* -- */else if (streql(what, "usr")) {value = coerceVector(value, REALSXP);lengthCheck(what, value, 4, call);naRealCheck(REAL(value)[0], what);naRealCheck(REAL(value)[1], what);naRealCheck(REAL(value)[2], what);naRealCheck(REAL(value)[3], what);if (REAL(value)[0] == REAL(value)[1] ||REAL(value)[2] == REAL(value)[3])par_error(what);if (gpptr(dd)->xlog) {R_DEV_2(logusr[0]) = REAL(value)[0];R_DEV_2(logusr[1]) = REAL(value)[1];R_DEV_2(usr[0]) = pow(10., REAL(value)[0]);R_DEV_2(usr[1]) = pow(10., REAL(value)[1]);}else {R_DEV_2(usr[0]) = REAL(value)[0];R_DEV_2(usr[1]) = REAL(value)[1];R_DEV_2(logusr[0]) = R_Log10(REAL(value)[0]);R_DEV_2(logusr[1]) = R_Log10(REAL(value)[1]);}if (gpptr(dd)->ylog) {R_DEV_2(logusr[2]) = REAL(value)[2];R_DEV_2(logusr[3]) = REAL(value)[3];R_DEV_2(usr[2]) = pow(10., REAL(value)[2]);R_DEV_2(usr[3]) = pow(10., REAL(value)[3]);}else {R_DEV_2(usr[2]) = REAL(value)[2];R_DEV_2(usr[3]) = REAL(value)[3];R_DEV_2(logusr[2]) = R_Log10(REAL(value)[2]);R_DEV_2(logusr[3]) = R_Log10(REAL(value)[3]);}/* Reset Mapping and Axis Parameters */GMapWin2Fig(dd);GSetupAxis(1, dd);GSetupAxis(2, dd);}/* usr */else if (streql(what, "xlog")) {lengthCheck(what, value, 1, call); ix = asLogical(value);if (ix == NA_LOGICAL)par_error(what);R_DEV__(xlog) = (ix != 0);}else if (streql(what, "ylog")) {lengthCheck(what, value, 1, call); ix = asLogical(value);if (ix == NA_LOGICAL)par_error(what);R_DEV__(ylog) = (ix != 0);}/* We do not need these as Query will already have warned.else if (streql(what, "type")) {warning(_("graphical parameter \"%s\" is obsolete"), what);}else warning(_("unknown graphical parameter \"%s\""), what);*/return;} /* Specify *//* Specify2 -- parameters as arguments from higher-level graphics functions* --------* Many things in PARALLEL to Specify(.)* for par()s not valid here, see comment there.*/#undef R_DEV_2#undef R_DEV__/* Now defined differently in Specify2() : */#define R_DEV__(_P_) gpptr(dd)->_P_static void Specify2(const char *what, SEXP value, pGEDevDesc dd, SEXP call){double x;int ix = 0, ptype = ParCode(what);if (ptype == 1 || ptype == -3) {/* 1: these are valid, but not settable inline3: arguments, not pars*/return;}if (ptype == -2) {warning(_("graphical parameter \"%s\" is obsolete"), what);return;}if (ptype < 0) {warning(_("\"%s\" is not a graphical parameter"), what);return;}if (ptype == 2) {warning(_("graphical parameter \"%s\" cannot be set"), what);return;}#include "par-common.c"/* ------------* these are *different* from Specify() , i.e., par(<NAM> = .) use : */else if (streql(what, "bg")) {/* bg can be a vector of length > 1, so pick off first value(as e.g. pch always did) */if (!isVector(value) || LENGTH(value) < 1)par_error(what);R_DEV__(bg) = RGBpar3(value, 0, dpptr(dd)->bg);}else if (streql(what, "cex")) {/* cex can be a vector of length > 1, so pick off first value(as e.g. pch always did) */x = asReal(value);posRealCheck(x, what);R_DEV__(cex) = x;/* not setting cexbase here (but in Specify()) */}else if (streql(what, "family")) {const char *ss;value = coerceVector(value, STRSXP);lengthCheck(what, value, 1, call);ss = translateChar(STRING_ELT(value, 0));if(strlen(ss) > 200)error(_("graphical parameter 'family' has a maximum length of 200 bytes"));strncpy(gpptr(dd)->family, ss, 201);}else if (streql(what, "fg")) {/* highlevel arg `fg = ' does *not* set `col' (as par(fg=.) does!*/lengthCheck(what, value, 1, call);ix = RGBpar3(value, 0, dpptr(dd)->bg);/* naIntCheck(ix, what); */R_DEV__(fg) = ix;}} /* Specify2 *//* Do NOT forget to update ../library/base/R/par.R *//* if you ADD a NEW par !! */static SEXP Query(const char *what, pGEDevDesc dd){SEXP value;if (streql(what, "adj")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->adj;}else if (streql(what, "ann")) {value = allocVector(LGLSXP, 1);LOGICAL(value)[0] = (dpptr(dd)->ann != 0);}else if (streql(what, "ask")) {value = allocVector(LGLSXP, 1);LOGICAL(value)[0] = dd->ask;}else if (streql(what, "bg")) {value = mkString(col2name(dpptr(dd)->bg));}else if (streql(what, "bty")) {char buf[2];buf[0] = dpptr(dd)->bty;buf[1] = '\0';value = mkString(buf);}else if (streql(what, "cex")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->cexbase;}else if (streql(what, "cex.main")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->cexmain;}else if (streql(what, "cex.lab")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->cexlab;}else if (streql(what, "cex.sub")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->cexsub;}else if (streql(what, "cex.axis")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->cexaxis;}else if (streql(what, "cin")) {value = allocVector(REALSXP, 2);REAL(value)[0] = dpptr(dd)->scale * dd->dev->cra[0] * dd->dev->ipr[0];REAL(value)[1] = dpptr(dd)->scale * dd->dev->cra[1] * dd->dev->ipr[1];}else if (streql(what, "col")) {value = mkString(col2name(dpptr(dd)->col));}else if (streql(what, "col.main")) {value = mkString(col2name(dpptr(dd)->colmain));}else if (streql(what, "col.lab")) {value = mkString(col2name(dpptr(dd)->collab));}else if (streql(what, "col.sub")) {value = mkString(col2name(dpptr(dd)->colsub));}else if (streql(what, "col.axis")) {value = mkString(col2name(dpptr(dd)->colaxis));}else if (streql(what, "cra")) {value = allocVector(REALSXP, 2);REAL(value)[0] = dpptr(dd)->scale * dd->dev->cra[0];REAL(value)[1] = dpptr(dd)->scale * dd->dev->cra[1];}else if (streql(what, "crt")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->crt;}else if (streql(what, "csi")) {value = allocVector(REALSXP, 1);REAL(value)[0] = GConvertYUnits(1.0, CHARS, INCHES, dd);}else if (streql(what, "cxy")) {value = allocVector(REALSXP, 2);/* == par("cin") / par("pin") : */REAL(value)[0] = dpptr(dd)->scale * dd->dev->cra[0]* dd->dev->ipr[0] / dpptr(dd)->pin[0]* (dpptr(dd)->usr[1] - dpptr(dd)->usr[0]);REAL(value)[1] = dpptr(dd)->scale * dd->dev->cra[1]* dd->dev->ipr[1] / dpptr(dd)->pin[1]* (dpptr(dd)->usr[3] - dpptr(dd)->usr[2]);}else if (streql(what, "din")) {value = allocVector(REALSXP, 2);REAL(value)[0] = GConvertXUnits(1.0, NDC, INCHES, dd);REAL(value)[1] = GConvertYUnits(1.0, NDC, INCHES, dd);}else if (streql(what, "err")) {value = allocVector(INTSXP, 1);INTEGER(value)[0] = dpptr(dd)->err;}else if (streql(what, "family")) {value = mkString(dpptr(dd)->family);}else if (streql(what, "fg")) {value = mkString(col2name(dpptr(dd)->fg));}else if (streql(what, "fig")) {value = allocVector(REALSXP, 4);REAL(value)[0] = dpptr(dd)->fig[0];REAL(value)[1] = dpptr(dd)->fig[1];REAL(value)[2] = dpptr(dd)->fig[2];REAL(value)[3] = dpptr(dd)->fig[3];}else if (streql(what, "fin")) {value = allocVector(REALSXP, 2);REAL(value)[0] = dpptr(dd)->fin[0];REAL(value)[1] = dpptr(dd)->fin[1];}else if (streql(what, "font")) {value = allocVector(INTSXP, 1);INTEGER(value)[0] = dpptr(dd)->font;}else if (streql(what, "font.main")) {value = allocVector(INTSXP, 1);INTEGER(value)[0] = dpptr(dd)->fontmain;}else if (streql(what, "font.lab")) {value = allocVector(INTSXP, 1);INTEGER(value)[0] = dpptr(dd)->fontlab;}else if (streql(what, "font.sub")) {value = allocVector(INTSXP, 1);INTEGER(value)[0] = dpptr(dd)->fontsub;}else if (streql(what, "font.axis")) {value = allocVector(INTSXP, 1);INTEGER(value)[0] = dpptr(dd)->fontaxis;}else if (streql(what, "lab")) {value = allocVector(INTSXP, 3);INTEGER(value)[0] = dpptr(dd)->lab[0];INTEGER(value)[1] = dpptr(dd)->lab[1];INTEGER(value)[2] = dpptr(dd)->lab[2];}else if (streql(what, "las")) {value = allocVector(INTSXP, 1);INTEGER(value)[0] = dpptr(dd)->las;}else if (streql(what, "lend")) {value = GE_LENDget(dpptr(dd)->lend);}else if (streql(what, "lheight")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->lheight;}else if (streql(what, "ljoin")) {value = GE_LJOINget(dpptr(dd)->ljoin);}else if (streql(what, "lmitre")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->lmitre;}else if (streql(what, "lty")) {value = GE_LTYget(dpptr(dd)->lty);}else if (streql(what, "lwd")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->lwd;}else if (streql(what, "mai")) {value = allocVector(REALSXP, 4);REAL(value)[0] = dpptr(dd)->mai[0];REAL(value)[1] = dpptr(dd)->mai[1];REAL(value)[2] = dpptr(dd)->mai[2];REAL(value)[3] = dpptr(dd)->mai[3];}else if (streql(what, "mar")) {value = allocVector(REALSXP, 4);REAL(value)[0] = dpptr(dd)->mar[0];REAL(value)[1] = dpptr(dd)->mar[1];REAL(value)[2] = dpptr(dd)->mar[2];REAL(value)[3] = dpptr(dd)->mar[3];}else if (streql(what, "mex")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->mex;}/* NOTE that if a complex layout has been specified *//* then this simple information may not be very useful. */else if (streql(what, "mfrow") || streql(what, "mfcol")) {value = allocVector(INTSXP, 2);INTEGER(value)[0] = dpptr(dd)->numrows;INTEGER(value)[1] = dpptr(dd)->numcols;}else if (streql(what, "mfg")) {int row, col;value = allocVector(INTSXP, 4);currentFigureLocation(&row, &col, dd);INTEGER(value)[0] = row+1;INTEGER(value)[1] = col+1;INTEGER(value)[2] = dpptr(dd)->numrows;INTEGER(value)[3] = dpptr(dd)->numcols;}else if (streql(what, "mgp")) {value = allocVector(REALSXP, 3);REAL(value)[0] = dpptr(dd)->mgp[0];REAL(value)[1] = dpptr(dd)->mgp[1];REAL(value)[2] = dpptr(dd)->mgp[2];}else if (streql(what, "mkh")) {/* Unused in R, but settable */value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->mkh;}else if (streql(what, "new")) {value = allocVector(LGLSXP, 1);LOGICAL(value)[0] = dpptr(dd)->new;}else if (streql(what, "oma")) {value = allocVector(REALSXP, 4);REAL(value)[0] = dpptr(dd)->oma[0];REAL(value)[1] = dpptr(dd)->oma[1];REAL(value)[2] = dpptr(dd)->oma[2];REAL(value)[3] = dpptr(dd)->oma[3];}else if (streql(what, "omd")) {value = allocVector(REALSXP, 4);REAL(value)[0] = dpptr(dd)->omd[0];REAL(value)[1] = dpptr(dd)->omd[1];REAL(value)[2] = dpptr(dd)->omd[2];REAL(value)[3] = dpptr(dd)->omd[3];}else if (streql(what, "omi")) {value = allocVector(REALSXP, 4);REAL(value)[0] = dpptr(dd)->omi[0];REAL(value)[1] = dpptr(dd)->omi[1];REAL(value)[2] = dpptr(dd)->omi[2];REAL(value)[3] = dpptr(dd)->omi[3];}else if (streql(what, "pch")) {int val = dpptr(dd)->pch;/* we need to be careful that par("pch") is converted backto the same value */if (known_to_be_latin1 && val <= -32 && val >= -255) val = -val;if(val >= ' ' && val <= (mbcslocale ? 127 : 255)) {char buf[2];buf[0] = val;buf[1] = '\0';value = mkString(buf);} else {/* Could return as UTF-8 string */value = ScalarInteger(val);}}else if (streql(what, "pin")) {value = allocVector(REALSXP, 2);REAL(value)[0] = dpptr(dd)->pin[0];REAL(value)[1] = dpptr(dd)->pin[1];}else if (streql(what, "plt")) {value = allocVector(REALSXP, 4);REAL(value)[0] = dpptr(dd)->plt[0];REAL(value)[1] = dpptr(dd)->plt[1];REAL(value)[2] = dpptr(dd)->plt[2];REAL(value)[3] = dpptr(dd)->plt[3];}else if (streql(what, "ps")) {value = allocVector(INTSXP, 1);/* was reporting unscaled prior to 2.7.0 */INTEGER(value)[0] = dpptr(dd)->ps * dpptr(dd)->scale;}else if (streql(what, "pty")) {char buf[2];buf[0] = dpptr(dd)->pty;buf[1] = '\0';value = mkString(buf);}else if (streql(what, "smo")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->smo;}else if (streql(what, "srt")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->srt;}else if (streql(what, "tck")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->tck;}else if (streql(what, "tcl")) {value = allocVector(REALSXP, 1);REAL(value)[0] = dpptr(dd)->tcl;}else if (streql(what, "usr")) {value = allocVector(REALSXP, 4);if (gpptr(dd)->xlog) {REAL(value)[0] = gpptr(dd)->logusr[0];REAL(value)[1] = gpptr(dd)->logusr[1];}else {REAL(value)[0] = dpptr(dd)->usr[0];REAL(value)[1] = dpptr(dd)->usr[1];}if (gpptr(dd)->ylog) {REAL(value)[2] = gpptr(dd)->logusr[2];REAL(value)[3] = gpptr(dd)->logusr[3];}else {REAL(value)[2] = dpptr(dd)->usr[2];REAL(value)[3] = dpptr(dd)->usr[3];}}else if (streql(what, "xaxp")) {value = allocVector(REALSXP, 3);REAL(value)[0] = dpptr(dd)->xaxp[0];REAL(value)[1] = dpptr(dd)->xaxp[1];REAL(value)[2] = dpptr(dd)->xaxp[2];}else if (streql(what, "xaxs")) {char buf[2];buf[0] = dpptr(dd)->xaxs;buf[1] = '\0';value = mkString(buf);}else if (streql(what, "xaxt")) {char buf[2];buf[0] = dpptr(dd)->xaxt;buf[1] = '\0';value = mkString(buf);}else if (streql(what, "xlog")) {value = allocVector(LGLSXP, 1);LOGICAL(value)[0] = dpptr(dd)->xlog;}else if (streql(what, "xpd")) {value = allocVector(LGLSXP, 1);if (dpptr(dd)->xpd == 2)LOGICAL(value)[0] = NA_LOGICAL;elseLOGICAL(value)[0] = dpptr(dd)->xpd;}else if (streql(what, "yaxp")) {value = allocVector(REALSXP, 3);REAL(value)[0] = dpptr(dd)->yaxp[0];REAL(value)[1] = dpptr(dd)->yaxp[1];REAL(value)[2] = dpptr(dd)->yaxp[2];}else if (streql(what, "yaxs")) {char buf[2];buf[0] = dpptr(dd)->yaxs;buf[1] = '\0';value = mkString(buf);}else if (streql(what, "yaxt")) {char buf[2];buf[0] = dpptr(dd)->yaxt;buf[1] = '\0';value = mkString(buf);}else if (streql(what, "ylog")) {value = allocVector(LGLSXP, 1);LOGICAL(value)[0] = dpptr(dd)->ylog;}else if (ParCode(what) == -2) {warning(_("graphical parameter \"%s\" is obsolete"), what);value = R_NilValue;}else {warning(_("\"%s\" is not a graphical parameter"), what);value = R_NilValue;}return value;}SEXP attribute_hidden do_par(SEXP call, SEXP op, SEXP args, SEXP env){SEXP value;SEXP originalArgs = args;pGEDevDesc dd;int new_spec, nargs;checkArity(op, args);dd = GEcurrentDevice();new_spec = 0;args = CAR(args);nargs = length(args);if (isNewList(args)) {SEXP oldnames, newnames, tag, val;int i;PROTECT(newnames = allocVector(STRSXP, nargs));PROTECT(value = allocVector(VECSXP, nargs));oldnames = getAttrib(args, R_NamesSymbol);for (i = 0 ; i < nargs ; i++) {if (oldnames != R_NilValue)tag = STRING_ELT(oldnames, i);elsetag = R_NilValue;val = VECTOR_ELT(args, i);/* tags are all ASCII */if (tag != R_NilValue && CHAR(tag)[0]) {new_spec = 1;SET_VECTOR_ELT(value, i, Query(CHAR(tag), dd));SET_STRING_ELT(newnames, i, tag);Specify(CHAR(tag), val, dd, call);}else if (isString(val) && length(val) > 0) {tag = STRING_ELT(val, 0);if (tag != R_NilValue && CHAR(tag)[0]) {SET_VECTOR_ELT(value, i, Query(CHAR(tag), dd));SET_STRING_ELT(newnames, i, tag);}}else {SET_VECTOR_ELT(value, i, R_NilValue);SET_STRING_ELT(newnames, i, R_BlankString);}}setAttrib(value, R_NamesSymbol, newnames);}else {error(_("invalid argument passed to par()"));return R_NilValue/* -Wall */;}/* should really only do this if specifying new pars ? yes! [MM] */if (new_spec && GRecording(call, dd))GErecordGraphicOperation(op, originalArgs, dd);UNPROTECT(2);return value;}SEXP attribute_hidden Rg_readonlypars(void){SEXP result;PROTECT(result = allocVector(STRSXP, 5));SET_STRING_ELT(result, 0, mkChar("cin"));SET_STRING_ELT(result, 1, mkChar("cra"));SET_STRING_ELT(result, 2, mkChar("csi"));SET_STRING_ELT(result, 3, mkChar("cxy"));SET_STRING_ELT(result, 4, mkChar("din"));UNPROTECT(1);return result;}/** Layout was written by Paul Murrell during 1997-1998 as a partial* implementation of ideas in his PhD thesis. The orginal was* written in common lisp provides rather more general capabilities.** layout(* num.rows,* num.cols,* mat,* num.figures,* col.widths,* row.heights,* cm.widths,* cm.heights,* respect,* respect.mat* )*/SEXP attribute_hidden do_layout(SEXP call, SEXP op, SEXP args, SEXP env){int i, j, nrow, ncol, ncmrow, ncmcol;SEXP originalArgs = args;pGEDevDesc dd;checkArity(op, args);dd = GEcurrentDevice();/* num.rows: */nrow = dpptr(dd)->numrows = gpptr(dd)->numrows =INTEGER(CAR(args))[0];if (nrow > MAX_LAYOUT_ROWS)error(_("too many rows in layout, limit %d"), MAX_LAYOUT_ROWS);args = CDR(args);/* num.cols: */ncol = dpptr(dd)->numcols = gpptr(dd)->numcols =INTEGER(CAR(args))[0];if (ncol > MAX_LAYOUT_COLS)error(_("too many columns in layout, limit %d"), MAX_LAYOUT_COLS);if (nrow * ncol > MAX_LAYOUT_CELLS)error(_("too many cells in layout, limit %d"), MAX_LAYOUT_CELLS);args = CDR(args);/* mat[i,j] == order[i+j*nrow] : */for (i = 0; i < nrow * ncol; i++)dpptr(dd)->order[i] = gpptr(dd)->order[i] =INTEGER(CAR(args))[i];args = CDR(args);/* num.figures: */dpptr(dd)->currentFigure = gpptr(dd)->currentFigure =dpptr(dd)->lastFigure = gpptr(dd)->lastFigure =INTEGER(CAR(args))[0];args = CDR(args);/* col.widths: */for (j = 0; j < ncol; j++)dpptr(dd)->widths[j] = gpptr(dd)->widths[j] =REAL(CAR(args))[j];args = CDR(args);/* row.heights: */for (i = 0; i < nrow; i++)dpptr(dd)->heights[i] = gpptr(dd)->heights[i] =REAL(CAR(args))[i];args = CDR(args);/* cm.widths: */ncmcol = length(CAR(args));for (j = 0; j < ncol; j++)dpptr(dd)->cmWidths[j] = gpptr(dd)->cmWidths[j] = 0;for (j = 0; j < ncmcol; j++) {dpptr(dd)->cmWidths[INTEGER(CAR(args))[j] - 1]= gpptr(dd)->cmWidths[INTEGER(CAR(args))[j] - 1]= 1;}args = CDR(args);/* cm.heights: */ncmrow = length(CAR(args));for (i = 0; i < nrow; i++)dpptr(dd)->cmHeights[i] = gpptr(dd)->cmHeights[i] = 0;for (i = 0; i < ncmrow; i++) {dpptr(dd)->cmHeights[INTEGER(CAR(args))[i] - 1]= gpptr(dd)->cmHeights[INTEGER(CAR(args))[i]-1]= 1;}args = CDR(args);/* respect = 0 (FALSE), 1 (TRUE), or 2 (matrix) : */dpptr(dd)->rspct = gpptr(dd)->rspct = INTEGER(CAR(args))[0];args = CDR(args);/* respect.mat */for (i = 0; i < nrow * ncol; i++)dpptr(dd)->respect[i] = gpptr(dd)->respect[i]= INTEGER(CAR(args))[i];/*------------------------------------------------------*/if (nrow > 2 || ncol > 2) {gpptr(dd)->cexbase = dpptr(dd)->cexbase = 0.66;gpptr(dd)->mex = dpptr(dd)->mex = 1.0;}else if (nrow == 2 && ncol == 2) {gpptr(dd)->cexbase = dpptr(dd)->cexbase = 0.83;gpptr(dd)->mex = dpptr(dd)->mex = 1.0;}else {gpptr(dd)->cexbase = dpptr(dd)->cexbase = 1.0;gpptr(dd)->mex = dpptr(dd)->mex = 1.0;}dpptr(dd)->defaultFigure = gpptr(dd)->defaultFigure = TRUE;dpptr(dd)->layout = gpptr(dd)->layout = TRUE;GReset(dd);if (GRecording(call, dd))GErecordGraphicOperation(op, originalArgs, dd);return R_NilValue;}/* ProcessInLinePars handles inline par specificationsin graphics functions. */attribute_hiddenvoid ProcessInlinePars(SEXP s, pGEDevDesc dd, SEXP call){if (isList(s)) {while (s != R_NilValue) {if (isList(CAR(s)))ProcessInlinePars(CAR(s), dd, call);else if (TAG(s) != R_NilValue)Specify2(CHAR(PRINTNAME(TAG(s))), CAR(s), dd, call);s = CDR(s);}}}/*= Local Variables: **//*= mode: C **//*= kept-old-versions: 12 **//*= kept-new-versions: 30 **//*= End: **/