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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
-