--- /dev/null
+/* Hello, Emacs, this is -*-C-*-
+ * $Id: atarivdi.trm,v 1.19 2006/07/21 02:35:45 sfeam Exp $
+ *
+ */
+
+/* GNUPLOT - atari.trm */
+
+/*[
+ * Copyright 1992, 1993, 1998, 2004
+ *
+ * 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:
+ * Atari Screens working with the normal VDI
+ * (this should include TT and big screens)
+ *
+ * AUTHORS
+ * Alexander Lehmann
+ * HE Koechling
+ *
+ * send your comments or suggestions to (gnuplot-info@lists.sourceforge.net).
+ *
+ * ATARI-related comments please to alexlehm@iti.informatik.th-darmstadt.de
+ *
+ */
+
+#include "driver.h"
+
+#ifdef TERM_REGISTER
+register_term(vdi)
+#endif
+
+#ifdef TERM_PROTO
+
+/* function-prototypes */
+TERM_PUBLIC void VDI_options(void);
+TERM_PUBLIC void VDI_init(void);
+TERM_PUBLIC void VDI_reset(void);
+TERM_PUBLIC void VDI_graphics(void);
+TERM_PUBLIC void VDI_text(void);
+TERM_PUBLIC void VDI_move(unsigned int x, unsigned int y);
+TERM_PUBLIC void VDI_vector(unsigned int x, unsigned int y);
+TERM_PUBLIC void VDI_linetype(int lt);
+TERM_PUBLIC int VDI_text_angle(int ang);
+TERM_PUBLIC void VDI_put_text(unsigned int x, unsigned int y, const char *str);
+TERM_PUBLIC int VDI_justify_text(enum JUSTIFY mode);
+TERM_PUBLIC void VDI_point(unsigned int x, unsigned int y, int number);
+
+/* default to hi-res */
+#define VDI_XMAX 640
+#define VDI_YMAX 400
+#define VDI_VCHAR 16
+#define VDI_HCHAR 8
+#define VDI_HTIC (VDI_XMAX/100)
+#define VDI_VTIC VDI_HTIC
+
+#endif /* TERM_PROTO */
+
+#ifndef TERM_PROTO_ONLY
+#ifdef TERM_BODY
+
+#ifdef __PUREC__
+/* why did they have to change these names ??? */
+# include <aes.h>
+# include <vdi.h>
+# include <tos.h>
+#else /* !__PUREC__ i.e. __GNUC__, maybe others */
+# include <aesbind.h>
+# include <vdibind.h>
+# include <osbind.h>
+#endif
+
+#define VDI_yc(y) (VDI_maxycoord-(y))
+#define VDI_LINETYPES_MAX 11
+
+static int VDI_linetypes[VDI_LINETYPES_MAX] =
+{
+ 0xffff, 0x1111,
+ 0xffff, 0x5555, 0x3333, 0x7777,
+ 0x3f3f, 0x0f0f, 0x5f5f, 0xe4e4, 0x55f5
+};
+
+static int VDI_lt;
+static int vdi_vdi_handle = -1;
+static int VDI_maxycoord;
+static int VDI_rotation;
+static int VDI_numcolors;
+static int pxy[128]; /* Maximum of 64 pixels per v_pline */
+static int pxy_index;
+static int VDI_colors[16];
+static int VDI_savecolors[16][3];
+static int VDI_numpalette;
+
+#define VDI_c_height_default 6 /* well, well ... */
+
+static int VDI_c_height = VDI_c_height_default;
+
+static void vdi_flush_line(void);
+
+TERM_PUBLIC void
+VDI_options()
+{
+#define VDIHEXERROR "palette values 3 hex digits, please"
+#define VDIHEIGHTERROR "expecting a character height"
+ char opt[4];
+ int i;
+ char *tok_end;
+
+ term_options[0] = NUL;
+ VDI_c_height = VDI_c_height_default;
+
+ for (i = 0; i < 17; i++) {
+ if (END_OF_COMMAND)
+ break;
+ if (token[c_token].length > 3) {
+ VDI_numpalette = 0;
+ VDI_c_height = VDI_c_height_default;
+ term_options[0] = NUL;
+ int_error(c_token, VDIHEXERROR);
+ }
+ capture(opt, c_token, c_token, 6);
+ if (!i) {
+ VDI_c_height = strtoul(opt, &tok_end, 10);
+ if (*tok_end != NUL) {
+ VDI_numpalette = 0;
+ VDI_c_height = VDI_c_height_default;
+ term_options[0] = NUL;
+ int_error(c_token, VDIHEIGHTERROR);
+ }
+ if (VDI_c_height > 999)
+ VDI_c_height = 999; /* avoid opt length overflow */
+ sprintf(opt, "%d ", VDI_c_height);
+ } else {
+ VDI_colors[i - 1] = strtoul(opt, &tok_end, 16);
+ if (*tok_end != NUL) {
+ VDI_numpalette = 0;
+ VDI_c_height = VDI_c_height_default;
+ term_options[0] = NUL;
+ int_error(c_token, VDIHEXERROR);
+ }
+ sprintf(opt, "%03X ", VDI_colors[i - 1]);
+ }
+ strcat(term_options, opt);
+ c_token++;
+ }
+ VDI_numpalette = (i == 0 ? 0 : i - 1);
+}
+
+TERM_PUBLIC void
+VDI_init()
+{
+ int work_in[11];
+ int work_out[57];
+ int i;
+ int hchar, wchar, dummy;
+ int rgb[3];
+ int num_save;
+ char *colors, *tok_end;
+
+ if (VDI_numpalette == 0 && (colors = getenv("GNUCOLORS")) && *colors) {
+ for (i = 0; i < 17; i++) {
+ if (!i) {
+ VDI_c_height = strtoul(colors, &tok_end, 10);
+ if (colors == tok_end) {
+ i = 0;
+ VDI_c_height = VDI_c_height_default;
+ break;
+ }
+ } else {
+ if (*colors == NUL)
+ break;
+ VDI_colors[i] = strtoul(colors, &tok_end, 16);
+ if (colors == tok_end || (unsigned) VDI_colors[i] > 0xfff) {
+ i = 0;
+ break;
+ }
+ }
+ colors = tok_end;
+
+ while (*colors == ' ')
+ colors++;
+ }
+ VDI_numpalette = (i == 0 ? 0 : i - 1);
+ }
+ vdi_vdi_handle = graf_handle(&wchar, &hchar, &dummy, &dummy);
+ if (!vdi_vdi_handle)
+ int_error(NO_CARET, "Fatal error opening virtual workstation");
+
+ for (i = 0; i < 10; work_in[i++] = 1);
+ work_in[10] = 2; /* use raster coordinates */
+ v_opnvwk(work_in, &vdi_vdi_handle, work_out);
+ if (!vdi_vdi_handle)
+ int_error(NO_CARET, "Fatal error opening virtual workstation");
+
+ vst_height(vdi_vdi_handle, VDI_c_height, &dummy, &dummy, &wchar, &hchar);
+
+ vs_clip(vdi_vdi_handle, 0, work_in); /* turn clipping off */
+
+ term->xmax = work_out[0] + 1;
+ term->ymax = work_out[1] + 1;
+ term->h_char = wchar;
+ term->v_char = hchar; /* hchar stands for height this time */
+ term->h_tic = (work_out[0] + 1) / 100;
+ term->v_tic = term->h_tic;
+
+ VDI_maxycoord = work_out[1];
+ VDI_numcolors = work_out[13];
+ pxy_index = 0;
+
+ for (i = 0; i < VDI_numpalette; i++) {
+ vq_color(vdi_vdi_handle, i, 1, VDI_savecolors[i]);
+
+ rgb[0] = 1000 * (VDI_colors[i] >> 8);
+ rgb[0] /= 15;
+ rgb[1] = 1000 * ((VDI_colors[i] >> 4) & 15);
+ rgb[1] /= 15;
+ rgb[2] = 1000 * (VDI_colors[i] & 15);
+ rgb[2] /= 15;
+ vs_color(vdi_vdi_handle, i, rgb);
+ }
+#ifdef __PUREC__
+/* currently the PureC version runs as .prg and the GCC version runs as .ttp.
+ Let's hope that we soon figure out which way is the best */
+ v_hide_c(vdi_vdi_handle);
+#endif
+}
+
+TERM_PUBLIC void
+VDI_reset()
+{
+ int i;
+
+ if (vdi_vdi_handle != -1) {
+ for (i = 0; i < VDI_numpalette; i++) {
+ vs_color(vdi_vdi_handle, i, VDI_savecolors[i]);
+ }
+#ifdef __PUREC__
+/* see above */
+ v_show_c(vdi_vdi_handle, 0);
+#endif
+ v_clsvwk(vdi_vdi_handle);
+ vdi_vdi_handle = -1;
+ }
+}
+
+TERM_PUBLIC void
+VDI_graphics()
+{
+ int pxy[8];
+ MFDB mfdb;
+
+ fflush(stdout);
+ fflush(stderr);
+ Cconws("\033f"); /* turn cursor off */
+/* apparently v_clrwk doesn't work with overscan. We'll blit the screen clear.
+ v_clrwk( vdi_vdi_handle );
+*/
+ mfdb.fd_addr = NULL; /* NULL means actual screen. So we don't need size etc. */
+
+ pxy[0] = pxy[4] = 0;
+ pxy[1] = pxy[5] = 0;
+ pxy[2] = pxy[6] = term->xmax - 1;
+ pxy[3] = pxy[7] = term->ymax - 1;
+
+ vro_cpyfm(vdi_vdi_handle, ALL_WHITE /*0 */ ,
+ pxy, &mfdb, &mfdb);
+
+ pxy_index = 0;
+}
+
+TERM_PUBLIC void
+VDI_text()
+{
+ vdi_flush_line();
+ Cnecin(); /* wait for any char --> enable screen dump */
+ Cconws("\033e"); /* turn cursor on again */
+}
+
+TERM_PUBLIC void
+VDI_move(unsigned int x, unsigned int y)
+{
+ vdi_flush_line();
+
+ pxy_index = 1;
+ pxy[0] = x;
+ pxy[1] = VDI_yc(y);
+}
+
+TERM_PUBLIC void
+VDI_vector(unsigned int x, unsigned int y)
+{
+ pxy[2 * pxy_index] = x;
+ pxy[2 * pxy_index + 1] = VDI_yc(y);
+ pxy_index++;
+
+ if (pxy_index == 64) { /* we're all full */
+ vdi_flush_line();
+ }
+}
+
+TERM_PUBLIC void
+VDI_linetype(int lt)
+{
+ vdi_flush_line();
+
+ VDI_lt = lt;
+}
+
+TERM_PUBLIC void
+VDI_put_text(unsigned int x, unsigned int y, const char *str)
+{
+ int vchar = term->v_char;
+ int dummy;
+
+ if (!strlen(str))
+ return;
+
+ if (x < 0)
+ x = 0;
+ if (y < 0)
+ y = 0;
+
+ /* align text left and to middle of char height */
+ vst_alignment(vdi_vdi_handle, 0, 5, &dummy, &dummy);
+ vst_rotation(vdi_vdi_handle, (VDI_rotation ? 900 : 0));
+ if (VDI_rotation)
+ v_gtext(vdi_vdi_handle, x - vchar / 2 + 1, VDI_yc(y) - 1, str);
+ else
+ v_gtext(vdi_vdi_handle, x + 1, VDI_yc(y) - vchar / 2 + 1, str);
+}
+
+TERM_PUBLIC int
+VDI_text_angle(int ang)
+{
+ VDI_rotation = ang;
+
+ return TRUE;
+}
+
+TERM_PUBLIC int
+VDI_justify_text(enum JUSTIFY mode)
+{
+ return FALSE;
+}
+
+TERM_PUBLIC void
+VDI_point(unsigned int x, unsigned int y, int number)
+{
+ int old_linetype;
+
+ if (VDI_numcolors == 2) {
+ line_and_point(x, y, number); /* monochrome */
+ } else {
+ /* we map colors that exceed our limit to dotted lines, but we can't do
+ that with the markers (sortof a generalized line_and_point) */
+ old_linetype = VDI_lt;
+ if (VDI_lt > VDI_numcolors - 2) {
+ /* same color, but no dots */
+ VDI_linetype(VDI_lt % (VDI_numcolors - 2));
+ }
+ do_point(x, y, number);
+ VDI_linetype(old_linetype);
+ }
+}
+
+static void
+vdi_flush_line()
+{
+ int line_type;
+ int color_index;
+ int i;
+
+ if (pxy_index >= 2) {
+ if (VDI_numcolors == 2) { /* Monochrome */
+ color_index = 1;
+ line_type = VDI_lt;
+ if (line_type >= 0)
+ line_type %= (VDI_LINETYPES_MAX - 2);
+ } else { /* Color */
+ if (VDI_lt < 0) {
+ color_index = 1;
+ line_type = VDI_lt;
+ } else {
+ color_index = 2 + VDI_lt % (VDI_numcolors - 2);
+ line_type = (VDI_lt / (VDI_numcolors - 2)) % (VDI_LINETYPES_MAX - 2);
+ }
+ }
+
+ vswr_mode(vdi_vdi_handle, MD_TRANS);
+ vsl_color(vdi_vdi_handle, color_index);
+
+ vsl_type(vdi_vdi_handle, 7);
+ vsl_udsty(vdi_vdi_handle, VDI_linetypes[line_type + 2]);
+
+ v_pline(vdi_vdi_handle, pxy_index, pxy);
+ }
+ if (pxy_index >= 1) {
+ pxy[0] = pxy[2 * (pxy_index - 1)];
+ pxy[1] = pxy[2 * (pxy_index - 1) + 1];
+ pxy_index = 1;
+ }
+}
+
+#endif /* TERM_BODY */
+
+#ifdef TERM_TABLE
+
+TERM_TABLE_START(vdi_driver)
+ "vdi", "Atari VDI-Terminal",
+ VDI_XMAX, VDI_YMAX, VDI_VCHAR, VDI_HCHAR,
+ VDI_VTIC, VDI_HTIC, VDI_options, VDI_init, VDI_reset,
+ VDI_text, null_scale, VDI_graphics, VDI_move, VDI_vector,
+ VDI_linetype, VDI_put_text, VDI_text_angle,
+ VDI_justify_text, VDI_point, do_arrow, set_font_null,
+ 0, TERM_CAN_MULTIPLOT, 0, 0
+TERM_TABLE_END(vdi_driver)
+
+#undef LAST_TERM
+#define LAST_TERM vdi_driver
+
+#endif /* TERM_TABLE */
+
+#endif /* TERM_PROTO_ONLY */
+
+#ifdef TERM_HELP
+START_HELP(vdi)
+"1 atari ST (via VDI)",
+"?commands set terminal vdi",
+"?set terminal vdi",
+"?set term vdi",
+"?terminal vdi",
+"?term vdi",
+"?vdi",
+" The `vdi` terminal is the same as the `atari` terminal, except that it sends",
+" output to the screen via the VDI and not into AES-Windows.",
+"",
+" The `vdi` terminal has options to set the character size and the screen",
+" colors.",
+"",
+" Syntax:",
+" set terminal vdi {<fontsize>} {<col0> <col1> ... <col15>}",
+"",
+" The character size must appear if any colors are to be specified. Each of",
+" the (up to 16) colors is given as a three-digit hex number, where the digits",
+" represent RED, GREEN and BLUE (in that order). The range of 0--15 is scaled",
+" to whatever color range the screen actually has. On a normal ST screen, odd",
+" and even intensities are the same.",
+"",
+" Examples:",
+" set terminal vdi 4 # use small (6x6) font",
+" set terminal vdi 6 0 # set monochrome screen to white on black",
+" set terminal vdi 13 0 fff f00 f0 f ff f0f",
+" # set first seven colors to black, white, red, green,",
+" # blue, cyan, and purple and use large font (8x16).",
+"",
+" Additionally, if an environment variable GNUCOLORS exists, its contents are",
+" interpreted as an options string, but an explicit terminal option takes",
+" precedence."
+END_HELP(vdi)
+#endif /* TERM_HELP */
projects / gnuplot / blobdiff