ftp.nice.ch/pub/next/unix/developer/plplot.3.0.s.tar.gz#/plplot/amiga/src/plprefs.c

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#include "plamiga.h"
#include <stdio.h>

struct PLPrefs PLCurPrefs;

static struct PLPrefs PLDefPrefs = {
   PLCUST | PLBUFF,
   PLLACE | PLHIRES,
   20, 20,
   300, 200,
   0, 0,       /* Let ScreenChange set width and height for custom screen */
   0, 0,
   2,
   0xCCC, 0x000, 0x00D, 0x080, 0xF00, 0xEE0, 0xE90, 0xF0F,
   0x0BE, 0x090, 0x999, 0xBBB, 0xF99, 0x909, 0x0DB, 0xDDD
};

void GetPLDefs(void)
{
   FILE *PrefsFile;

   /* Read user preferences from s:PlPlot/PlPlot.def if it exists,
      otherwise use default preferences */

   if((PrefsFile = fopen("s:PlPlot.def","r")) != NULL) {
      (void)fread((char *)&PLDefPrefs,sizeof(struct PLPrefs),1,PrefsFile);
      (void)fclose(PrefsFile);
   }
   PLCurPrefs = PLDefPrefs;
}

void SetPLDefs(void)
{
   FILE *PrefsFile;

   if((PrefsFile = fopen("s:PlPlot.def","w")) != NULL) {
      (void)fwrite((char *)&PLCurPrefs,sizeof(struct PLPrefs),1,PrefsFile);
      (void)fclose(PrefsFile);
   }
   PLDefPrefs = PLCurPrefs;
}

void RestorePrefs(void)
{
   PLCurPrefs = PLDefPrefs;
}

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Marcel Waldvogel and Netfuture.ch.