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vws.trm
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1998-12-14
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/*
* $Id: vws.trm,v 1.14 1998/04/14 00:18:14 drd Exp $
*
*/
/* GNUPLOT - vws.trm */
/*[
* Copyright 1990 - 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.
]*/
/*
* This file is included by ../term.c.
*
* This terminal driver supports:
* IRIS terminals
*
* AUTHORS
* Walter Speth
* BITNET: SPETH@DBNPIB5
*
* send your comments or suggestions to (info-gnuplot@dartmouth.edu).
*
*/
/*
* adapted to the new terminal layout by Stefan Bodewig (Dec. 1995)
* adapted to VAX VMS 4.7, VAX C 2.4 and activated the INTENSITY and COLOR
* monitor features (Lucas P. Hart, June 1997)
*/
#include "driver.h"
#ifdef TERM_REGISTER
register_term(vws)
#endif
#ifdef TERM_PROTO
TERM_PUBLIC void VWS_init __PROTO((void));
TERM_PUBLIC void VWS_reset __PROTO((void));
TERM_PUBLIC int VWS_scale __PROTO((double xs, double ys));
TERM_PUBLIC void VWS_graphics __PROTO((void));
TERM_PUBLIC void VWS_text __PROTO((void));
TERM_PUBLIC void VWS_move __PROTO((unsigned int x, unsigned int y));
TERM_PUBLIC void VWS_vector __PROTO((unsigned int x, unsigned int y));
TERM_PUBLIC void VWS_linetype __PROTO((int lt));
TERM_PUBLIC void VWS_put_text __PROTO((unsigned int x, unsigned int y, char *str));
TERM_PUBLIC int VWS_text_angle __PROTO((int ang));
TERM_PUBLIC int VWS_justify_text __PROTO((enum JUSTIFY mode));
TERM_PUBLIC void VWS_point __PROTO((unsigned int x, unsigned int y, int point));
TERM_PUBLIC void VWS_arrow __PROTO((unsigned int sx, unsigned int sy,
unsigned int ex, unsigned int ey, int head));
#define VWS_XMAX 1024
#define VWS_YMAX 780 /* VAXstation 2000 is 864 */
#define VWS_VCHAR 25
#define VWS_HCHAR 15
#define VWS_VTIC 10
#define VWS_HTIC 10
#endif /* TERM_PROTO */
#ifndef TERM_PROTO_ONLY
#ifdef TERM_BODY
void VWS_resize_ast __PROTO((void));
#include <ssdef.h>
/* */
#include <descrip.h>
#include <uisentry.h>
#include <uisusrdef.h>
#define DEFAULT_ATTR 0
#define OVER_ATTR 1
#define ERAS_ATTR 2
#define BIS_ATTR 3
#define COLOR_ATTR 4
#define TEXT_ATTR 5
#define LINE_ATTR 6
#define BACK_ATTR 7
float current_x, current_y;
int vd_id, wd_id;
int vcm_id, ws_type;
static $DESCRIPTOR(ws_devname, "SYS$WORKSTATION");
static $DESCRIPTOR(vd_title, "gnuplot");
static float x0, y0, xsiz, ysiz, wc_xmin_new, wc_ymin_new, wc_xmax_new, wc_ymax_new, wc_xmin,
wc_ymin, wc_xmax, wc_ymax, vd_width, vd_height;
void VWS_resize_ast()
{
extern void replotrequest(); /* in command.c */
uis$resize_window(&vd_id, &wd_id, &x0, &y0, &xsiz, &ysiz,
&wc_xmin, &wc_ymin, &wc_xmax, &wc_ymax);
replotrequest();
}
/****************************************************************************/
TERM_PUBLIC void VWS_init()
{
int i;
int cattr;
$DESCRIPTOR(a_font, "DTABER0003WK00PG0001UZZZZ02A000");
const int i0 = 0, i1 = 1, i2 = 2, i3 = 3, i4 = 4, i5 = 5, i6 = 6, i7 = 7, i8 = 8;
const float p0 = 0.0, p1 = 0.1, p2 = 0.2, p3 = 0.3, p4 = 0.4;
const float p5 = 0.5, p6 = 0.6, p7 = 0.7, p8 = 0.8, p9 = 0.9;
const int n1 = 0xFFFFFFFF;
const int uis$c_mode_over = UIS$C_MODE_OVER;
const int uis$c_mode_eras = UIS$C_MODE_ERAS;
const int uis$c_mode_bis = UIS$C_MODE_BIS;
const float vws_hchar = (float) VWS_HCHAR;
const float vws_vchar = (float) VWS_VCHAR;
const int default_attr = DEFAULT_ATTR;
const int over_attr = OVER_ATTR;
const int eras_attr = ERAS_ATTR;
const int bis_attr = BIS_ATTR;
const int color_attr = COLOR_ATTR;
const int text_attr = TEXT_ATTR;
const int line_attr = LINE_ATTR;
const int back_attr = BACK_ATTR;
/* lph: the similar notation may lead to some confusion
* attributes are grouped in "attribute block" data structures
* which are referenced by block number
* attribute block 0 contains default attribute settings
*
* To customize settings, a function will read the source
* attribute block, set the particular attribute, and
* write to the destination attribute block.
* Both the block number and attribute are integers, so it
* is easy to confuse an attribute and an attribute blcok
*/
/* lph: Color map corresponding to an example in
* MicroVMS Graphics Progamming Guide (V3.0) */
const float r_map[8] = { 0.40, 0.50, 0.50, 0.00, 0.25, 0.90, 0.80, 0.35 };
const float g_map[8] = { 0.30, 0.50, 0.25, 0.70, 0.25, 0.50, 0.30, 0.65 };
const float b_map[8] = { 0.00, 0.50, 0.50, 0.30, 0.90, 0.00, 0.00, 0.95 };
/* the array format is easier to customize */
vd_width = 14;
vd_height = 10; /* aspect sqrt(2) as DIN A paper */
wc_xmin = 0.0;
wc_ymin = 0.0;
wc_xmax = (float) VWS_XMAX;
wc_ymax = (float) VWS_YMAX;
vcm_id = uis$create_color_map(&i8);
vd_id = uis$create_display(&wc_xmin, &wc_ymin, &wc_xmax, &wc_ymax,
&vd_width, &vd_height, &vcm_id);
uis$get_hw_color_info(&ws_devname, &ws_type);
/* lph: ws's color table for monochrome */
/* by default, color table index 0 is backgound, and 1 is foregound */
/* a color {index into the color table} is assigned to the active line */
/* in VWS_linetype */
if (ws_type == UIS$C_DEV_MONO) {
uis$set_color(&vd_id, &i0, &p5, &p5, &p5);
uis$set_color(&vd_id, &i1, &p0, &p0, &p0);
uis$set_color(&vd_id, &i2, &p0, &p0, &p0);
uis$set_color(&vd_id, &i3, &p0, &p0, &p0);
uis$set_color(&vd_id, &i4, &p0, &p0, &p0);
uis$set_color(&vd_id, &i5, &p0, &p0, &p0);
uis$set_color(&vd_id, &i6, &p0, &p0, &p0);
uis$set_color(&vd_id, &i7, &p0, &p0, &p0);
} else if (ws_type == UIS$C_DEV_INTENSITY) {
/* Intensity scale, untested */
uis$set_color(&vd_id, &i2, &p2, &p2, &p2);
uis$set_color(&vd_id, &i3, &p3, &p3, &p3);
uis$set_color(&vd_id, &i4, &p4, &p4, &p4);
uis$set_color(&vd_id, &i5, &p5, &p5, &p5);
uis$set_color(&vd_id, &i6, &p6, &p6, &p6);
uis$set_color(&vd_id, &i7, &p7, &p7, &p7);
}
/* ws: perhaps better for color terms (which I do not have) */
else if (ws_type == UIS$C_DEV_COLOR) {
/* */
uis$set_color(&vd_id, &i0, &p0, &p0, &p0);
uis$set_color(&vd_id, &i1, &p9, &p0, &p0);
uis$set_color(&vd_id, &i2, &p0, &p9, &p0);
uis$set_color(&vd_id, &i3, &p9, &p9, &p0);
uis$set_color(&vd_id, &i4, &p0, &p0, &p9);
uis$set_color(&vd_id, &i5, &p9, &p0, &p9);
uis$set_color(&vd_id, &i6, &p0, &p9, &p9);
uis$set_color(&vd_id, &i7, &p9, &p9, &p9);
/*
* lph: Another way to set up the color table is to use arrays,
* which simplifies customizing the appearance.
*
uis$set_colors(&vd_id, &i0, &i8, &r_map, &g_map, &b_map);
*/
}
uis$disable_display_list(&vd_id);
wd_id = uis$create_window(&vd_id, &ws_devname, &vd_title,
&wc_xmin, &wc_ymin, &wc_xmax, &wc_ymax,
&vd_width, &vd_height);
uis$set_resize_ast(&vd_id, &wd_id, &VWS_resize_ast, &i0,
&x0, &y0, &xsiz, &ysiz,
&wc_xmin_new, &wc_ymin_new, &wc_xmax_new, &wc_ymax_new);
/*
* lph: This sets up three different attribute blocks, each having a different
* mode, but they are never utilized and it is not clear when they might
* be of use.
* The attribute blocks used for writing are line_attr, text_attr.
*
uis$set_writing_mode(&vd_id, &default_attr, &over_attr, &uis$c_mode_over);
uis$set_writing_mode(&vd_id, &default_attr, &eras_attr, &uis$c_mode_eras);
uis$set_writing_mode(&vd_id, &default_attr, &bis_attr, &uis$c_mode_bis);
*/
/* lph: this was commented out; it changes the COLOR_ATTR BLOCK and
* the following BLOCKS
*
if (ws_type >= UIS$C_DEV_INTENSITY) {
for (i=0; i<8; i++) {
cattr = COLOR_ATTR+i;
uis$set_writing_index(&vd_id, &default_attr, &cattr, &i);
}
}
*
*/
/* lph: default value for the background index into the virtual color
/* table is 0, and the back_attr block is never used
*
uis$set_background_index(&vd_id, &default_attr, &back_attr, &i0);
*
* the rest look OK, setting up the two attribute blocks
*/
uis$set_writing_mode(&vd_id, &default_attr, &text_attr, &uis$c_mode_over);
uis$set_font(&vd_id, &text_attr, &text_attr, &a_font);
uis$set_char_size(&vd_id, &text_attr, &text_attr, &i0, &vws_hchar, &vws_vchar);
uis$set_line_style(&vd_id, &line_attr, &line_attr, &n1);
}
/****************************************************************************/
TERM_PUBLIC void VWS_reset()
{
uis$delete_display(&vd_id);
}
/****************************************************************************/
TERM_PUBLIC int VWS_scale(xs, ys)
double xs, ys;
{
return FALSE;
}
/****************************************************************************/
TERM_PUBLIC void VWS_graphics()
{
uis$erase(&vd_id, &wc_xmin, &wc_ymin, &wc_xmax, &wc_ymax);
}
/****************************************************************************/
TERM_PUBLIC void VWS_text()
{
}
/****************************************************************************/
TERM_PUBLIC void VWS_move(x, y)
unsigned int x, y;
{
current_x = (float) (x);
current_y = (float) (y);
}
/****************************************************************************/
TERM_PUBLIC void VWS_vector(x, y)
unsigned int x, y;
{
int col;
int line_attr = LINE_ATTR;
float fx, fy;
fx = (float) x;
fy = (float) y;
uis$line(&vd_id, &line_attr, ¤t_x, ¤t_y, &fx, &fy);
VWS_move(x, y);
}
/****************************************************************************/
TERM_PUBLIC void VWS_linetype(lt)
int lt;
{
const int n1 = 0xFFFFFFFF;
/* indices into the color map */
const int i[8] = {0, 1, 2, 3, 4, 5, 6, 7};
const float p15 = 2.0, p20 = 3.0, p10 = 1.0;
long int lstyle[9] =
{0xffffffff,
0Xff00ff00,
0xffffff00,
0xffff0000,
0xf0f0f0f0,
0Xfff0fff0,
0xf000f000,
0xa5a5a5af,
0xf00f00f0
};
int line_attr = LINE_ATTR;
/* use multiplier of normal line width; default is width in pixels */
const int uis$c_width_world = UIS$C_WIDTH_WORLD;
if (lt < 0) {
switch (lt) {
case -1: /* used for axis */
uis$set_line_style(&vd_id, &line_attr, &line_attr, &n1);
uis$set_line_width(&vd_id, &line_attr, &line_attr, &p15,
&uis$c_width_world);
if (ws_type >= UIS$C_DEV_INTENSITY) {
uis$set_writing_index(&vd_id, &line_attr, &line_attr, &i[1]);
}
break;
case -2: /* the borders */
uis$set_line_style(&vd_id, &line_attr, &line_attr, &n1);
uis$set_line_width(&vd_id, &line_attr, &line_attr, &p20,
&uis$c_width_world);
if (ws_type >= UIS$C_DEV_INTENSITY) {
uis$set_writing_index(&vd_id, &line_attr, &line_attr, &i[1]);
}
break;
default: /* else a thick line ? */
uis$set_line_style(&vd_id, &line_attr, &line_attr, &n1);
uis$set_line_width(&vd_id, &line_attr, &line_attr, &p20,
&uis$c_width_world);
if (ws_type >= UIS$C_DEV_INTENSITY) {
uis$set_writing_index(&vd_id, &line_attr, &line_attr,
&i[1 + ((-lt) % 7)]);
}
break;
}
} else {
/* assign the color index (excluding the background index, 0*/
if (ws_type >= UIS$C_DEV_INTENSITY) {
uis$set_writing_index(&vd_id, &line_attr, &line_attr, &i[1 + lt % 7]);
}
/* assign the line style
uis$set_line_style(&vd_id,&line_attr,&line_attr,&lstyle[lt % 8]);
* ws: makes part of curve disappear on my workstation
* lph: also observed w/ VS2000 and 4 plane graphics coprocesssor; line
* types change appropriately, but has problems as pixels/line segment
* decreases. Better with full screen display and "set samples" smaller
* but start out with only solid lines
*/
uis$set_line_style(&vd_id, &line_attr, &line_attr, &n1);
uis$set_line_width(&vd_id, &line_attr, &line_attr, &p10,
&uis$c_width_world);
}
}
/****************************************************************************/
static int justify_mode = CENTRE, up;
TERM_PUBLIC void VWS_put_text(x, y, str)
unsigned int x, y;
char *str;
{
float fx, fy, thih, twid;
int text_attr = TEXT_ATTR;
/* uis$text parameter is descriptor string not character string */
struct dsc$descriptor_s textline =
{0, DSC$K_DTYPE_T, DSC$K_CLASS_S, ""};
textline.dsc$a_pointer = str;
textline.dsc$w_length = strlen(textline.dsc$a_pointer);
uis$measure_text(&vd_id, &text_attr, &textline, &twid, &thih);
fx = (float) x;
fy = (float) y;
switch (justify_mode) {
case LEFT:
fy += thih / 2.;
break;
case RIGHT:
fy += thih / 2.;
fx -= twid;
break;
case CENTRE:
fy += thih / 2.;
fx -= twid / 2;
break;
};
uis$text(&vd_id, &text_attr, &textline, &fx, &fy);
/* write to Example Viewport window */
}
/****************************************************************************/
TERM_PUBLIC int VWS_text_angle(ang)
int ang;
{
float degrees;
int text_attr = TEXT_ATTR;
degrees = 90. * (up = ang);
uis$set_text_slope(&vd_id, &text_attr, &text_attr, °rees);
return TRUE;
}
/****************************************************************************/
TERM_PUBLIC int VWS_justify_text(mode)
enum JUSTIFY mode;
{
justify_mode = mode;
return TRUE;
}
/****************************************************************************/
TERM_PUBLIC void VWS_point(x, y, point)
unsigned int x, y;
int point;
{
do_point(x, y, point);
}
/****************************************************************************/
TERM_PUBLIC void VWS_arrow(sx, sy, ex, ey, head)
unsigned int sx, sy, ex, ey;
int head;
{
do_arrow(sx, sy, ex, ey, head);
}
#endif /* TERM_BODY */
#ifdef TERM_TABLE
TERM_TABLE_START(vws_driver)
"VWS", "VAX Windowing System (UIS)",
VWS_XMAX, VWS_YMAX, VWS_VCHAR, VWS_HCHAR,
VWS_VTIC, VWS_HTIC, options_null, VWS_init, VWS_reset,
VWS_text, null_scale, VWS_graphics, VWS_move, VWS_vector,
VWS_linetype, VWS_put_text, VWS_text_angle,
VWS_justify_text, do_point, do_arrow, set_font_null
TERM_TABLE_END(vws_driver)
#undef LAST_TERM
#define LAST_TERM vws_driver
#endif /* TERM_TABLE */
#endif /* TERM_PROTO_ONLY */
#ifdef TERM_HELP
START_HELP(VWS)
"1 VWS",
"?commands set terminal VWS",
"?set terminal VWS",
"?set term VWS",
"?terminal VWS",
"?term VWS",
"?VWS",
" The `VWS` terminal driver supports the VAX Windowing System. It has",
" no options. It will sense the display type (monochrome, gray scale,",
" or color.) All line styles are plotted as solid lines."
END_HELP(VWS)
#endif /* TERM_HELP */