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urbaneks |
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/*
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* For compatibility with 2.1.0 - implements stuff formerly present in devQuartz.c in libR
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*
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* Created by Simon Urbanek on 1/13/05 (based on devQuartz in 2.0.1 by Stefano Iacus)
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*
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*/
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#include "devQuartz.h"
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#include <Rversion.h>
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#include <R.h>
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#include <Rdefines.h>
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#include <Rinternals.h>
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/* since 2.1.0 devQuartz is no longer in libR, so we need to duplicate it here */
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#if (R_VERSION >= R_Version(2,1,0))
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static char *SaveFontSpec(SEXP sxp, int offset) {
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char *s;
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if(!isString(sxp) || length(sxp) <= offset)
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error("Invalid font specification");
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s = R_alloc(strlen(CHAR(STRING_ELT(sxp, offset)))+1, sizeof(char));
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strcpy(s, CHAR(STRING_ELT(sxp, offset)));
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return s;
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}
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char* RGUI_Quartz_TranslateFontFamily(char* family, int face, char *devfamily) {
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SEXP graphicsNS, quartzenv, fontdb, fontnames;
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int i, nfonts;
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char* result = devfamily;
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PROTECT_INDEX xpi;
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PROTECT(graphicsNS = R_FindNamespace(ScalarString(mkChar("grDevices"))));
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PROTECT_WITH_INDEX(quartzenv = findVar(install(".Quartzenv"),
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graphicsNS), &xpi);
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if(TYPEOF(quartzenv) == PROMSXP)
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REPROTECT(quartzenv = eval(quartzenv, graphicsNS), xpi);
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PROTECT(fontdb = findVar(install(".Quartz.Fonts"), quartzenv));
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PROTECT(fontnames = getAttrib(fontdb, R_NamesSymbol));
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nfonts = LENGTH(fontdb);
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if (strlen(family) > 0) {
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int found = 0;
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for (i=0; i<nfonts && !found; i++) {
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char* fontFamily = CHAR(STRING_ELT(fontnames, i));
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if (strcmp(family, fontFamily) == 0) {
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found = 1;
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result = SaveFontSpec(VECTOR_ELT(fontdb, i), face-1);
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}
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}
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if (!found)
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warning("Font family not found in Quartz font database");
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}
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UNPROTECT(4);
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return result;
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}
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#endif
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