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Import gnuplot 3.7.1

/*
 * $Id: win.trm,v 1.8 1998/12/14 18:41:54 lhecking Exp $
 */

/* GNUPLOT - win.trm */

/*[
 * Copyright 1992 - 1993, 1998
 *
 * Permission to use, copy, and distribute this software and its
 * documentation for any purpose with or without fee is hereby granted,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.
 *
 * Permission to modify the software is granted, but not the right to
 * distribute the complete modified source code.  Modifications are to
 * be distributed as patches to the released version.  Permission to
 * distribute binaries produced by compiling modified sources is granted,
 * provided you
 *   1. distribute the corresponding source modifications from the
 *    released version in the form of a patch file along with the binaries,
 *   2. add special version identification to distinguish your version
 *    in addition to the base release version number,
 *   3. provide your name and address as the primary contact for the
 *    support of your modified version, and
 *   4. retain our contact information in regard to use of the base
 *    software.
 * Permission to distribute the released version of the source code along
 * with corresponding source modifications in the form of a patch file is
 * granted with same provisions 2 through 4 for binary distributions.
 *
 * This software is provided "as is" without express or implied warranty
 * to the extent permitted by applicable law.
]*/

/*
 *
 * AUTHORS
 * 
 *   Gnuplot for Windows:
 *       Maurice Castro, Russell Lang
 * 
 * There is a mailing list for gnuplot users. Note, however, that the
 * newsgroup 
 *	comp.graphics.apps.gnuplot 
 * is identical to the mailing list (they
 * both carry the same set of messages). We prefer that you read the
 * messages through that newsgroup, to subscribing to the mailing list.
 * (If you can read that newsgroup, and are already on the mailing list,
 * please send a message to majordomo@dartmouth.edu, asking to be
 * removed from the mailing list.)
 *
 * The address for mailing to list members is
 *	   info-gnuplot@dartmouth.edu
 * and for mailing administrative requests is 
 *	   majordomo@dartmouth.edu
 * The mailing list for bug reports is 
 *	   bug-gnuplot@dartmouth.edu
 * The list of those interested in beta-test versions is
 *	   info-gnuplot-beta@dartmouth.edu
 */


/* This file implements the terminal and printer display for gnuplot  */
/* under Microsoft Windows. The code currently compiles only with the */
/* Borland C++ 3.1 compiler.                                          */
/*                                                                    */
/* The modifications to allow Gnuplot to run under Windows were made  */
/* by Maurice Castro (maurice@bruce.cs.monash.edu.au)                 */
/* and Russell Lang (rjl@monu1.cc.monash.edu.au)         19 Nov 1992  */
/*                                                                    */

/* Edit this file with tabstop=4 (vi :se ts=4)                        */

/*
 * adapted to the new terminal layout by Stefan Bodewig (Dec. 1995)
 */

#include "driver.h"

#ifdef TERM_REGISTER
register_term(windows)
#endif

#ifdef TERM_PROTO
TERM_PUBLIC void WIN_options __PROTO((void));
TERM_PUBLIC int WIN_scale __PROTO((void));
TERM_PUBLIC void WIN_init __PROTO((void));
TERM_PUBLIC void WIN_reset __PROTO((void));
TERM_PUBLIC void WIN_text __PROTO((void));
TERM_PUBLIC void WIN_graphics __PROTO((void));
TERM_PUBLIC void WIN_move __PROTO((unsigned int x, unsigned int y));
TERM_PUBLIC void WIN_vector __PROTO((unsigned int x, unsigned int y));
TERM_PUBLIC void WIN_linetype __PROTO((int lt));
TERM_PUBLIC void WIN_put_text __PROTO((unsigned int x, unsigned int y, char *str));
TERM_PUBLIC int WIN_justify_text __PROTO((enum JUSTIFY mode));
TERM_PUBLIC int WIN_text_angle __PROTO((int ang));
TERM_PUBLIC void WIN_point __PROTO((unsigned int x, unsigned int y, int number));
TERM_PUBLIC void WIN_resume __PROTO((void));
TERM_PUBLIC void WIN_set_pointsize __PROTO((double));


/* Initialization values - Guess Now Scale later */
#define WIN_XMAX (24000)
#define WIN_YMAX (18000)
#define WIN_HCHAR (WIN_XMAX/75)
#define WIN_VCHAR (WIN_YMAX/25)
#define WIN_HTIC (WIN_XMAX/160)
#define WIN_VTIC WIN_HTIC
#endif /* TERM_PROTO */

#ifndef TERM_PROTO_ONLY
#ifdef TERM_BODY

#include <windows.h>
#include "../win/wgnuplib.h"

#ifdef __MSC__
#include <io.h>			/* for mktemp() */
#endif

extern GW graphwin;

#define WIN_POINT_TYPES 12

/* Interface routines - create list of actions for Windows */

TERM_PUBLIC void WIN_options()
{
    if (!END_OF_COMMAND) {
	if (almost_equals(c_token, "d$efault")) {
	    graphwin.color = TRUE;
	    strcpy(graphwin.fontname, WINFONT);
	    graphwin.fontsize = WINFONTSIZE;
	    c_token++;
	}
    }
    if (!END_OF_COMMAND) {
	if (almost_equals(c_token, "m$onochrome")) {
	    graphwin.color = FALSE;
	    c_token++;
	} else if (almost_equals(c_token, "c$olor")
		   || almost_equals(c_token, "c$olour")) {
	    graphwin.color = TRUE;
	    c_token++;
	}
    }
    if (!END_OF_COMMAND && isstring(c_token)) {
	quote_str(graphwin.fontname, c_token, MAX_ID_LEN);
	c_token++;
    }
    if (!END_OF_COMMAND) {
	/* We have font size specified */
	struct value a;
	graphwin.fontsize = (int) real(const_express(&a));
    }
    if (graphwin.fontname[0] == '\0')
	sprintf(term_options, "%s", graphwin.color ? "color" : "monochrome");
    else
	sprintf(term_options, "%s \"%s\" %d", graphwin.color ? "color" : "monochrome",
		graphwin.fontname, graphwin.fontsize);
    if (IsWindow(graphwin.hWndGraph) && IsIconic(graphwin.hWndGraph)) {
	ShowWindow(graphwin.hWndGraph, SW_SHOWNORMAL);
    }
    GraphRedraw(&graphwin);
}

/* We don't actually do scaling, but we need to fix up the text size
 * if the user has resized the window */
int WIN_scale()
{
    term->h_char = graphwin.hchar;
    term->v_char = graphwin.vchar;
    term->h_tic = graphwin.htic;
    term->v_tic = graphwin.vtic;
    sprintf(term_options, "%s \"%s\" %d",
	    graphwin.color ? "color" : "monochrome",
	    graphwin.fontname, graphwin.fontsize);
    return FALSE;		/* can't be done */
}

TERM_PUBLIC void WIN_init()
{
    if (!graphwin.hWndGraph) {
	graphwin.xmax = WIN_XMAX;
	graphwin.ymax = WIN_YMAX;
	graphwin.htic = WIN_HTIC;
	graphwin.vtic = WIN_VTIC;
	GraphInit(&graphwin);
#ifdef WIN32
	SetClassLong(graphwin.hWndGraph, GCL_HICON, (LONG) LoadIcon(graphwin.hInstance, "GRPICON"));
#else
	SetClassWord(graphwin.hWndGraph, GCW_HICON, LoadIcon(graphwin.hInstance, "GRPICON"));
#endif
	graphwin.resized = FALSE;
    }
}


TERM_PUBLIC void WIN_reset()
{
}

TERM_PUBLIC void WIN_text()
{
    GraphEnd(&graphwin);
}

TERM_PUBLIC void WIN_graphics()
{
    GraphStart(&graphwin, pointsize);
}

TERM_PUBLIC void WIN_move(x, y)
unsigned int x, y;
{
    GraphOp(&graphwin, W_move, x, y, NULL);
}

TERM_PUBLIC void WIN_vector(x, y)
unsigned int x, y;
{
    GraphOp(&graphwin, W_vect, x, y, NULL);
}

TERM_PUBLIC void WIN_linetype(lt)
int lt;
{
    GraphOp(&graphwin, W_line_type, lt, 0, NULL);
}

TERM_PUBLIC void WIN_put_text(x, y, str)
unsigned int x, y;
char *str;
{
    GraphOp(&graphwin, W_put_text, x, y, str);
}

TERM_PUBLIC int WIN_justify_text(mode)
enum JUSTIFY mode;
{
    GraphOp(&graphwin, W_justify, mode, 0, NULL);
    return (TRUE);
}

TERM_PUBLIC int WIN_text_angle(ang)
int ang;
{
    if (graphwin.rotate)
	GraphOp(&graphwin, W_text_angle, ang, 0, NULL);
    return graphwin.rotate;
}

TERM_PUBLIC void WIN_point(x, y, number)
unsigned int x, y;
int number;
{
    /* draw point shapes later to save memory */
    /* size of point symbols */
    graphwin.htic = pointsize * term->h_tic / 2;
    graphwin.vtic = pointsize * term->v_tic / 2;
    if (number >= 0)
	number %= WIN_POINT_TYPES;
    number += 1;
    GraphOp(&graphwin, W_dot + number, x, y, NULL);
}

TERM_PUBLIC void WIN_resume(void)
{
    GraphResume(&graphwin);
}

TERM_PUBLIC void WIN_set_pointsize(s)
double s;
{
    /* Save new pointsize as string */
    char scale[30];
    sprintf(scale, "%.15g", s);
#if 1
    /* HBB 980309: it seems passing it as a string is a bad idea
     * in Win16: it means the wgnuplot.dll has to parse the string
     * via sscanf(), leading to crash (by stack overflow?). Alternative:
     * pass it as a scaled-up integer. For the sake of compatibility,
     * pass the string as well. */
    GraphOp(&graphwin, W_pointsize, (int) 100 * s, 0, scale);
#else
    GraphOp(&graphwin, W_pointsize, 0, 0, scale);
#endif
}

#endif /* TERM_BODY */

#ifdef TERM_TABLE

TERM_TABLE_START(win_driver)
    "windows", "Microsoft Windows",
    WIN_XMAX, WIN_YMAX, WIN_VCHAR, WIN_HCHAR,
    WIN_VTIC, WIN_HTIC, WIN_options, WIN_init, WIN_reset,
    WIN_text, null_scale, WIN_graphics, WIN_move, WIN_vector,
    WIN_linetype, WIN_put_text, WIN_text_angle,
    WIN_justify_text, WIN_point, do_arrow, set_font_null,
    WIN_set_pointsize, TERM_CAN_MULTIPLOT,
    WIN_text /* suspend */ , WIN_resume, 0		/*boxfill */
TERM_TABLE_END(win_driver)

#undef LAST_TERM
#define LAST_TERM win_driver

#endif /* TERM_TABLE */
#endif /* TERM_PROTO_ONLY */

#ifdef TERM_HELP
START_HELP(windows)
"1 windows",
"?commands set terminal windows",
"?set terminal windows",
"?set term windows",
"?terminal windows",
"?term windows",
"?windows",
" Three options may be set in the `windows` terminal driver.",
"",
" Syntax:",
"       set terminal windows {<color>} {\"<fontname>\"} {<fontsize>}",
"",
" where `<color>` is either `color` or `monochrome`, `\"<fontname>\"` is the",
" name of a valid Windows font, and `<fontsize>` is the size of the font in",
" points.",
"",
" Other options may be set with the graph-menu, the initialization file,",
" and `set linestyle`.",
/* Does this really belong here? If not, someone move it where it does. */
"",
" The Windows version normally terminates immediately as soon as the end of",
" any files given as command line arguments is reached (i.e. in non-interactive",
" mode). It will also not show the text-window at all, in this mode, only",
" the plot. By giving the optional argument",
" `/noend` or `-noend`, you can disable this behaviour.",
"2 graph-menu",
"?commands set terminal windows graph-menu",
"?set terminal windows graph-menu",
"?set term windows graph-menu",
"?windows graph-menu",
"?graph-menu",
" The `gnuplot graph` window has the following options on a pop-up menu",
" accessed by pressing the right mouse button or selecting `Options` from the",
" system menu:",
"",
" `Bring to Top` when checked brings the graph window to the top after every",
" plot.",
"",
" `Color` when checked enables color linestyles.  When unchecked it forces",
" monochrome linestyles.",
"",
" `Copy to Clipboard` copies a bitmap and a Metafile picture.",
"",
" `Background...` sets the window background color.",
"",
" `Choose Font...` selects the font used in the graphics window.",
"",
" `Line Styles...` allows customization of the line colors and styles.",
"",
" `Print...` prints the graphics windows using a Windows printer driver and",
" allows selection of the printer and scaling of the output.  The output",
" produced by `Print` is not as good as that from `gnuplot`'s own printer",
" drivers.",
"",
" `Update wgnuplot.ini` saves the current window locations, window sizes, text",
" window font, text window font size, graph window font, graph window font",
" size, background color and linestyles to the initialization file",
" `WGNUPLOT.INI`.",
"2 printing",
"?commands set terminal windows printing",
"?set terminal windows printing",
"?set term windows printing",
"?windows printing",
"?printing",
" In order of preference, graphs may be be printed in the following ways.",
"",
" `1.` Use the `gnuplot` command `set terminal` to select a printer and `set",
" output` to redirect output to a file.",
"",
" `2.` Select the `Print...` command from the `gnuplot graph` window.  An extra",
" command `screendump` does this from the text window.",
"",
" `3.` If `set output \"PRN\"` is used, output will go to a temporary file.  When",
" you exit from `gnuplot` or when you change the output with another `set",
" output` command, a dialog box will appear for you to select a printer port.",
" If you choose OK, the output will be printed on the selected port, passing",
" unmodified through the print manager.  It is possible to accidentally (or",
" deliberately) send printer output meant for one printer to an incompatible",
" printer.",
"2 text-menu",
"?commands set terminal windows text-menu",
"?set terminal windows text-menu",
"?set term windows text-menu",
"?windows text-menu",
"?text-menu",
" The `gnuplot text` window has the following options on a pop-up menu accessed",
" by pressing the right mouse button or selecting `Options` from the system",
" menu:",
"",
" `Copy to Clipboard` copies marked text to the clipboard.",
"",
" `Paste` copies text from the clipboard as if typed by the user.",
"",
" `Choose Font...` selects the font used in the text window.",
"",
" `System Colors` when selected makes the text window honor the System Colors",
" set using the Control Panel.  When unselected, text is black or blue on a",
" white background.",
"",
" `Update wgnuplot.ini` saves the current text window location, text window",
" size, text window font and text window font size to the initialisation file",
" `WGNUPLOT.INI`.",
"",
" `MENU BAR`",
"",
" If the menu file `WGNUPLOT.MNU` is found in the same directory as",
" WGNUPLOT.EXE, then the menu specified in `WGNUPLOT.MNU` will be loaded.",
" Menu commands:",
"",
" [Menu] starts a new menu with the name on the following line.",
"",
" [EndMenu] ends the current menu.",
"",
" [--] inserts a horizontal menu separator.",
"",
" [|] inserts a vertical menu separator.",
"",
" [Button] puts the next macro on a push button instead of a menu.",
"",
" Macros take two lines with the macro name (menu entry) on the first line and",
" the macro on the second line.  Leading spaces are ignored.  Macro commands:",
"",
" [INPUT] --- Input string with prompt terminated by [EOS] or {ENTER}",
"",
" [EOS] --- End Of String terminator.  Generates no output.",
"",
" [OPEN] --- Get name of file to open from list box, with title of list box",
" terminated by [EOS], followed by default filename terminated by [EOS] or",
" {ENTER}.  This uses COMMDLG.DLL from Windows 3.1.",
"",
" [SAVE] --- Get name of file to save.  Similar to [OPEN]",
"",
" Macro character substitutions:",
"",
" {ENTER} --- Carriage Return '\\r'",
"",
" {TAB} --- Tab '\\011'",
"",
" {ESC} --- Escape '\\033'",
"",
" {^A} --- '\\001'",
"",
" ...",
"",
" {^_} --- '\\031'",
"",
" Macros are limited to 256 characters after expansion.",
"2 wgnuplot.ini",
"?commands set terminal windows wgnuplot.ini",
"?set terminal windows wgnuplot.ini",
"?set term windows wgnuplot.ini",
"?windows wgnuplot.ini",
"?wgnuplot.ini",
" Windows `gnuplot` will read some of its options from the `[WGNUPLOT]` section",
" of `WGNUPLOT.INI` in the Windows directory.  A sample `WGNUPLOT.INI` file:",
"",
"       [WGNUPLOT]",
"       TextOrigin=0 0",
"       TextSize=640 150",
"       TextFont=Terminal,9",
"       GraphOrigin=0 150",
"       GraphSize=640 330",
"       GraphFont=Arial,10",
"       GraphColor=1",
"       GraphToTop=1",
"       GraphBackground=255 255 255",
"       Border=0 0 0 0 0",
"       Axis=192 192 192 2 2",
"       Line1=0 0 255 0 0",
"       Line2=0 255 0 0 1",
"       Line3=255 0 0 0 2",
"       Line4=255 0 255 0 3",
"       Line5=0 0 128 0 4",
"",
" The `GraphFont` entry specifies the font name and size in points.  The five",
" numbers given in the `Border`, `Axis` and `Line` entries are the `Red`",
" intensity (0--255), `Green` intensity, `Blue` intensity, `Color Linestyle`",
" and `Mono Linestyle`.  `Linestyles` are 0=SOLID, 1=DASH, 2=DOT, 3=DASHDOT,",
" 4=DASHDOTDOT.  In the sample `WGNUPLOT.INI` file above, Line 2 is a green",
" solid line in color mode, or a dashed line in monochrome mode.  The default",
" line width is 1 pixel.  If `Linestyle` is negative, it specifies the width of",
" a SOLID line in pixels.  Line1 and any linestyle used with the `points` style",
" must be SOLID with unit width.",
"2 windows3.0",
"?commands set terminal windows windows3.0",
"?set terminal windows windows3.0",
"?set term windows windows3.0",
"?windows windows3.0",
"?windows3.0",
" Windows 3.1 is preferred, but WGNUPLOT will run under Windows 3.0 with the",
" following restrictions:",
" `1.` COMMDLG.DLL and SHELL.DLL (available with Windows 3.1 or Borland C++",
" 3.1) must be in the windows directory.",
"",
" `2.` WGNUPLOT.HLP produced by Borland C++ 3.1 is in Windows 3.1 format.",
" You need to use the WINHELP.EXE supplied with Borland C++ 3.1.",
"",
" `3.` It will not run in real mode due to lack of memory.",
"",
" `4.` TrueType fonts are not available in the graph window.",
"",
" `5.` Drag-drop does not work."
END_HELP(windows)
#endif /* TERM_HELP */