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PlotArea.h
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1998-11-16
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// $Id: PlotArea.h,v 1.4 1998/11/16 17:25:18 zeller Exp $ -*- C++ -*-
// An area to plot upon
// Copyright (C) 1998 Technische Universitaet Braunschweig, Germany.
// Written by Andreas Zeller <zeller@ips.cs.tu-bs.de>.
//
// This file is part of DDD.
//
// DDD is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// DDD is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with DDD -- see the file COPYING.
// If not, write to the Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// DDD is the data display debugger.
// For details, see the DDD World-Wide-Web page,
// `http://www.cs.tu-bs.de/softech/ddd/',
// or send a mail to the DDD developers <ddd@ips.cs.tu-bs.de>.
#ifndef _DDD_PlotArea_h
#define _DDD_PlotArea_h
#ifdef __GNUG__
#pragma interface
#endif
#include "strclass.h"
#include <X11/Intrinsic.h>
#include "ChunkQueue.h"
class PlotArea;
#define Ncolors 13
#define Ndashes 10
#define Nwidths 10
class PlotArea {
Widget area; // Widget to draw upon
Display *dpy; // ... its display
Window win; // ... its window
int cx, cy; // Current position
int px, py; // Current point size
double xscale, yscale; // Current scaling
GC gc; // Current graphics context
XFontStruct *font; // Font to use
int vchar; // Its height
Pixel colors[Ncolors]; // Colors to use
char dashes[Ndashes][5]; // Dashes to use
unsigned int widths[Nwidths]; // Widths to use
int jmode; // Justification
int line_type; // Gnuplot Line type
int width; // Current line width
int type; // Current line type
int pointsize; // Point size
int pending_plots; // Number of plots pending
ChunkQueue last_commands; // Command buffer
// Plotting commands
void plot_unknown (const char *command);
void plot_nop (const char *command);
void plot_vector (const char *command);
void plot_move (const char *command);
void plot_text (const char *command);
void plot_justify (const char *command);
void plot_linetype(const char *command);
void plot_point (const char *command);
void plot_clear (const char *command);
void plot_reset (const char *command);
protected:
virtual int do_plot(const char *commands, bool clear);
public:
// Constructor
PlotArea(Widget w, const string& fontname);
// Destructor
virtual ~PlotArea() {}
// Plot
void plot(const char *commands, int length, bool clear = true);
void replot(bool clear = false);
// Set if plot is pending
void plot_pending() { pending_plots++; }
Widget widget() const { return area; }
};
#endif // _DDD_PlotArea_h
// DON'T ADD ANYTHING BEHIND THIS #endif