xglyph.c

source code: Covert TXT to PDF

  XtSetArg( args[i], XtNheight, 20 ); i++;
  XtSetArg( args[i], XtNx, 0 ); i++;
  XtSetArg( args[i], XtNy, 0 ); i++;
  XtSetArg( args[i], XtNlabel, " Exit Program"); i++;
  XtSetValues(exitbutton,args,i);
  XtAddCallback( exitbutton, XtNcallback,
		 (XtCallbackProc) exitprog, (XtPointer) 0 );


  /* The About widget for the about message */
  aboutbutton = XtCreateManagedWidget("Com", commandWidgetClass, box, 
				   NULL, 0); 
  i=0;
  XtSetArg( args[i], XtNwidth, 55 ); i++;
  XtSetArg( args[i], XtNheight, 20 ); i++;
  XtSetArg( args[i], XtNlabel, "About" ); i++;
  XtSetValues(aboutbutton,args,i);
  XtAddCallback( aboutbutton, XtNcallback,
		 (XtCallbackProc) showabout, (XtPointer) 0 );


  XtRealizeWidget(TopLevel);
  XtPopup(Output,XtGrabNone);

  if( extraflags & CHECK_PERFORMANCE){
    XtPopup(Output2,XtGrabNone);
  }
  

  /* Set parameters for X11-support */
  T1_SetX11Params( display, DefaultVisual(display, screennumber),
		   DefaultDepth( display, screennumber),
		   DefaultColormap(display, screennumber));

  
  /* Create a dummy-pixmap because we need one to destroy before
     the next is created! */
  pixmap = XCreatePixmap(display,
			 XtWindow(OutputWindow),  
			 200,  
			 200, 
			 DefaultDepth(display,screennumber)
			 );
  
			 
  
  XtAppMainLoop(TopLevelApp); 
  
  return(0);
  
}


/* Compute the BBox of a rotated box: */
BBox ComputeRotBBox( BBox inbox, float angle)
{

  int i;
  BBox resultbox={ 0, 0, 0, 0};
  struct point
  {
    double x;
    double y;
  } p[4], P[4];
  
  double sinalpha, cosalpha;
  
  sinalpha=sin((double)angle*PI/180);
  cosalpha=cos((double)angle*PI/180);

  /* initialize points */
  p[0].x=(double) inbox.llx;
  p[0].y=(double) inbox.lly;
  p[1].x=(double) inbox.urx;
  p[1].y=(double) inbox.lly;
  p[2].x=(double) inbox.urx;
  p[2].y=(double) inbox.ury;
  p[3].x=(double) inbox.llx;
  p[3].y=(double) inbox.ury;

  /*
  fprintf( stderr, "InBox: (%f,%f), (%f,%f), (%f,%f), (%f,%f)\n",
	   p[0].x, p[0].y, p[1].x, p[1].y, p[2].x, p[2].y,
	   p[3].x, p[3].y);
	   */
  /* Compute tranformed points */
  P[0].x=p[0].x*cosalpha-p[0].y*sinalpha;
  P[0].y=p[0].x*sinalpha+p[0].y*cosalpha;
  P[1].x=p[1].x*cosalpha-p[1].y*sinalpha;
  P[1].y=p[1].x*sinalpha+p[1].y*cosalpha;
  P[2].x=p[2].x*cosalpha-p[2].y*sinalpha;
  P[2].y=p[2].x*sinalpha+p[2].y*cosalpha;
  P[3].x=p[3].x*cosalpha-p[3].y*sinalpha;
  P[3].y=p[3].x*sinalpha+p[3].y*cosalpha;
  /*
  fprintf( stderr, "RotPoints: (%f,%f), (%f,%f), (%f,%f), (%f,%f)\n",
	   P[0].x, P[0].y, P[1].x, P[1].y, P[2].x, P[2].y,
	   P[3].x, P[3].y);
	   */

  /* Get BBox: */
  for (i=0; i<4; i++){
    if (P[i].x < (float) resultbox.llx)
      resultbox.llx=(int) floor(P[i].x +0.5);
    if (P[i].x > (float) resultbox.urx)
      resultbox.urx=(int) floor(P[i].x +0.5);
    if (P[i].y < (float) resultbox.lly)
      resultbox.lly=(int) floor(P[i].y +0.5);
    if (P[i].y > (float) resultbox.ury)
      resultbox.ury=(int) floor(P[i].y +0.5);
  }

  return(resultbox);
    
}




void exitprog(Widget exitbutton, XtPointer client_data , XtPointer call_data)
{

  int i;
  
  for (i=0; i< T1_Get_no_fonts(); i++){
    /*    printf("Enc-Scheme=%s\n",    T1_GetEncodingScheme( i));*/
    ;
  }

  T1_CloseLib();
  
  exit(0); 
}


void togglekerning( Widget kerningbutton, XtPointer client_data, XtPointer call_data)
{
  int i;
  char state=0;
  Arg args[10];


  /* Get state of toggle Button: */
  i=0;
  XtSetArg(args[i], XtNstate, &state); i++;
  XtGetValues(kerningbutton,args,1);

  if ((state))
    Modflag |= T1_KERNING;
  else
    Modflag &= ~T1_KERNING;
  
}



void toggleligatur( Widget ligaturbutton, XtPointer client_data, XtPointer call_data)
{
  int i;
  char state=0;
  Arg args[10];


  /* Get state of toggle Button: */
  i=0;
  XtSetArg(args[i], XtNstate, &state); i++;
  XtGetValues(ligaturbutton,args,1);

  LigDetect=state;

}



void toggler2l( Widget r2lbutton, XtPointer client_data, XtPointer call_data)
{
  int i;
  char state=0;
  Arg args[10];


  /* Get state of toggle Button: */
  i=0;
  XtSetArg(args[i], XtNstate, &state); i++;
  XtGetValues(r2lbutton,args,1);

  if ((state))
    Modflag |= T1_RIGHT_TO_LEFT;
  else
    Modflag &= ~T1_RIGHT_TO_LEFT;
  
  /* Invert state */
  i=0;
  if (state){
    XtSetArg( args[i], XtNwidth, 55 ); i++;
    XtSetArg( args[i], XtNheight, 20 ); i++;
    XtSetArg( args[i], XtNlabel, "<--|" ); i++;
  }
  else{
    XtSetArg( args[i], XtNwidth, 55 ); i++;
    XtSetArg( args[i], XtNheight, 20 ); i++;
    XtSetArg( args[i], XtNlabel, "|-->" ); i++;
  }
  XtSetValues(r2lbutton,args,i);
}



void toggleunderline( Widget underlinebutton, XtPointer client_data, XtPointer call_data)
{
  int i;
  char state=0;
  Arg args[10];


  /* Get state of toggle Button: */
  i=0;
  XtSetArg(args[i], XtNstate, &state); i++;
  XtGetValues(underlinebutton,args,1);

  if ((state))
    Modflag |= T1_UNDERLINE;
  else
    Modflag &= ~T1_UNDERLINE;
  
}



void toggleoverline( Widget overlinebutton, XtPointer client_data, XtPointer call_data)
{
  int i;
  char state=0;
  Arg args[10];


  /* Get state of toggle Button: */
  i=0;
  XtSetArg(args[i], XtNstate, &state); i++;
  XtGetValues( overlinebutton,args,1);

  if ((state))
    Modflag |= T1_OVERLINE;
  else
    Modflag &= ~T1_OVERLINE;
  
}



void toggleoverstrike( Widget overstrikebutton, XtPointer client_data, XtPointer call_data)
{
  int i;
  char state=0;
  Arg args[10];


  /* Get state of toggle Button: */
  i=0;
  XtSetArg(args[i], XtNstate, &state); i++;
  XtGetValues( overstrikebutton,args,1);

  if ((state))
    Modflag |= T1_OVERSTRIKE;
  else
    Modflag &= ~T1_OVERSTRIKE;
  
}



void toggleopacity( Widget opacitybutton, XtPointer client_data, XtPointer call_data)
{
  int i;
  char state=0;
  Arg args[10];


  /* Get state of toggle Button: */
  i=0;
  XtSetArg(args[i], XtNstate, &state); i++;
  XtGetValues(opacitybutton,args,1);

  i=0;
  XtSetArg( args[i], XtNstate, state); i++;
  XtSetArg( args[i], XtNwidth, 80 ); i++;
  XtSetArg( args[i], XtNheight, 20 ); i++;

  Opacity=state;
  
  /* Invert state */
  if (state){
    XtSetArg( args[i], XtNlabel, "Opaque" ); i++;
    XtSetValues(opacitybutton,args,i);
    outbg=bg;
  }
  else{
    XtSetArg( args[i], XtNlabel, "Transparent" ); i++;
    XtSetValues(opacitybutton,args,i);
    outbg=pink4.pixel;
  }
  
}



/* Toggle the antialiasing level */
void toggleaalevel( Widget aalevelbutton, XtPointer client_data, XtPointer call_data)
{
  int i;
  char state=0;
  Arg args[10];


  /* Get state of toggle Button: */
  i=0;
  XtSetArg(args[i], XtNstate, &state); i++;
  XtGetValues( aalevelbutton,args,1);

  i=0;
  XtSetArg( args[i], XtNstate, state); i++;
  XtSetArg( args[i], XtNwidth, 80 ); i++;
  XtSetArg( args[i], XtNheight, 15 ); i++;

  
  /* Invert state */
  if (state){
    XtSetArg( args[i], XtNlabel, "AA-High" ); i++;
    XtSetValues(aalevelbutton,args,i);
    aalevel=T1_AA_HIGH;
  }
  else{
    XtSetArg( args[i], XtNlabel, "AA-Low" ); i++;
    XtSetValues(aalevelbutton,args,i);
    aalevel=T1_AA_LOW;
  }
  
}



/* Set a new fore/background color */
void setcolor( Widget widget, XtPointer client_data, XtPointer call_data)
{
  int i;
  Arg args[10];

  /* foreground colors */
  if (widget==fgwhitebutton){
    fg=white.pixel;
    i=0;
    XtSetArg( args[i], XtNbackground, fg ); i++;
    XtSetValues(fgstatus,args,i);
    return;
  }
  if (widget==fgblackbutton){
    fg=black.pixel;
    i=0;
    XtSetArg( args[i], XtNbackground, fg ); i++;
    XtSetValues(fgstatus,args,i);
    return;
  }
  if (widget==fggraybutton){
    fg=gray.pixel;
    i=0;
    XtSetArg( args[i], XtNbackground, fg ); i++;
    XtSetValues(fgstatus,args,i);
    return;
  }
  if (widget==fgredbutton){
    fg=red.pixel;
    i=0;
    XtSetArg( args[i], XtNbackground, fg ); i++;
    XtSetValues(fgstatus,args,i);
    return;
  }
  if (widget==fggreenbutton){
    fg=green.pixel;
    i=0;
    XtSetArg( args[i], XtNbackground, fg ); i++;
    XtSetValues(fgstatus,args,i);
    return;
  }
  if (widget==fgbluebutton){
    fg=blue.pixel;
    i=0;
    XtSetArg( args[i], XtNbackground, fg ); i++;
    XtSetValues(fgstatus,args,i);
    return;
  }
  /* background colors */
  if (widget==bgwhitebutton){
    bg=white.pixel;
    if (Opacity)
      outbg=bg;
    i=0;
    XtSetArg( args[i], XtNbackground, bg ); i++;
    XtSetValues(bgstatus,args,i);
    return;
  }
  if (widget==bgblackbutton){
    bg=black.pixel;
    if (Opacity)
      outbg=bg;
    i=0;
    XtSetArg( args[i], XtNbackground, bg ); i++;
    XtSetValues(bgstatus,args,i);
    return;
  }
  if (widget==bggraybutton){
    bg=gray.pixel;
    if (Opacity)
      outbg=bg;
    i=0;
    XtSetArg( args[i], XtNbackground, bg ); i++;
    XtSetValues(bgstatus,args,i);
    return;
  }
  if (widget==bgredbutton){
    bg=red.pixel;
    if (Opacity)
      outbg=bg;
    i=0;
    XtSetArg( args[i], XtNbackground, bg ); i++;
    XtSetValues(bgstatus,args,i);
    return;
  }
  if (widget==bggreenbutton){
    bg=green.pixel;
    if (Opacity)
      outbg=bg;
    i=0;
    XtSetArg( args[i], XtNbackground, bg ); i++;
    XtSetValues(bgstatus,args,i);
    return;
  }
  if (widget==bgbluebutton){
    bg=blue.pixel;
    if (Opacity)
      outbg=bg;
    i=0;
    XtSetArg( args[i], XtNbackground, bg ); i++;
    XtSetValues(bgstatus,args,i);
    return;
  }
  /* we shouldn't get here */
  return;
  
}