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/* Justify.C
*
* When the user wants flushright, flushleft, centered, or the normal
* full justification, this class is used.
*
* Copyright 1992 Jonathan Monsarrat. Permission given to freely distribute,
* edit and use as long as this copyright statement remains intact.
*
*/
#include "Global.h"
#include "Justify.h"
#include "Document.h"
#include <fstream.h>
Justify::Justify()
{
justifytype = Normal;
postscript_set(-justifytype);
}
Justify::Justify(Justify *base)
{
justifytype = base->justifytype;
}
Param *Justify::copy()
{
return new Justify(this);
}
/* What kind of justification will the following text in this environment
* have? Set the justifytype variable as appropriate.
*/
int Justify::set(int subtype, float, char *)
{
if(justifytype != subtype) {
justifytype = subtype; // Set the internal placeholder for reference
// Print the postscript command for this.
postscript_set(subtype);
}
return TRUE;
}
float Justify::get(int, char *)
{
return (float)justifytype;
}
void Justify::postscript_set(int subtype)
{
if(subtype>0 && Stack::get(Environment::PDocument,Document::StartPage, ""))
Global::files->outfile << endl << "NEWPARA ";
else
subtype = -subtype;
switch(subtype) {
case Center:
Global::files->outfile << "/justify " << (int)'c' << " def";
break;
case FlushLeft:
Global::files->outfile << "/justify " << (int)'l' << " def";
break;
case FlushRight:
Global::files->outfile << "/justify " << (int)'r' << " def";
break;
case Normal:
Global::files->outfile << "/justify " << (int)'f' << " def";
break;
}
Global::files->outfile << endl;
}
void Justify::revert(Param *from)
{
int subtype = (int)from->get(0,"");
if(subtype != justifytype)
postscript_set(justifytype);
}
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