package simple.escp.fill.function;
import simple.escp.dom.Line;
import simple.escp.dom.Page;
import simple.escp.dom.Report;
import simple.escp.util.EscpUtil;
import java.util.regex.Matcher;
/**
* A built-in function that will generate ESC/P to toggle bold font style. If current font style is in default
* font style, <code>%{BOLD}</code> will generate ESC/P to switch to bold font style. If current font style is
* already in bold font style (as a result of previous invocation), <code>%{BOLD}</code> will switch to default
* font style.
*/
public class BoldFunction extends Function {
private boolean bold;
/**
* Create new instance of this function.
*/
public BoldFunction() {
super("%\\{\\s*(BOLD)\\s*\\}");
bold = false;
}
@Override
public String process(Matcher matcher, Report report, Page page, Line line) {
String result = bold ? EscpUtil.escCancelBoldFont() : EscpUtil.escSelectBoldFont();
bold = !bold;
return result;
}
@Override
public void reset() {
bold = false;
}
}