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- /*
- * $Id: atarivdi.trm,v 1.1 1995/06/14 12:22:17 drd Exp $
- *
- */
-
- /* GNUPLOT - atari.trm */
- /*
- * Copyright (C) 1992
- *
- * 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 modified code. Modifications are to be distributed
- * as patches to released version.
- *
- * This software is provided "as is" without express or implied warranty.
- *
- * 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 (info-gnuplot@dartmouth.edu).
- *
- * ATARI-related comments please to alexlehm@iti.informatik.th-darmstadt.de
- *
- */
-
- #ifndef GOT_DRIVER_H
- #include "driver.h"
- #endif
-
- #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 ta);
- TERM_PUBLIC void VDI_put_text(unsigned int x, unsigned int y, 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
-
- #define GOT_VDI_PROTO
- #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]='\0';
- 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]='\0';
- int_error(VDIHEXERROR, c_token);
- }
-
- capture( opt, c_token, c_token, 6 );
- if (!i) {
- VDI_c_height = strtoul( opt, &tok_end, 10 );
- if( *tok_end!='\0' ) {
- VDI_numpalette=0;
- VDI_c_height=VDI_c_height_default;
- term_options[0]='\0';
- int_error(VDIHEIGHTERROR, c_token);
- }
- 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!='\0' ) {
- VDI_numpalette=0;
- VDI_c_height=VDI_c_height_default;
- term_options[0]='\0';
- int_error(VDIHEXERROR, c_token);
- }
-
- 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=='\0' ) 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("Fatal error opening virtual workstation", NO_CARET);
-
- 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("Fatal error opening virtual workstation", NO_CARET);
-
- 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, 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 )
- VDI_linetype(VDI_lt%(VDI_numcolors-2)); /* same color, but no dots */
- 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)",
- "?set terminal vdi",
- "?vdi",
- " This terminal is the same as the `atari` terminal, except for the fact that",
- " it sends output to the screen via the VDI and not into AES-Windows.",
- "",
- " The `vdi` terminal has the same options as the `atari` terminal."
- END_HELP(vdi)
- #endif /* TERM_HELP */
-