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595346f1ac
deb-goldedplus/goldlib/gall/gvidinit.cpp
Stanislav Mekhanoshin 0d3a3b3ebc + Added new keyword to support background transparency 
TRANSPARENTCOLORS Yes/No
  default is "No". If set to "Yes" BLACK background color will become
  transparent. Supported for ncurses compilation, otherwise do nothing.
2007-06-21 19:03:18 +00:00

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24 KiB
C++
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// This may look like C code, but it is really -*- C++ -*-
// ------------------------------------------------------------------
// The Goldware Library
// Copyright (C) 1990-1999 Odinn Sorensen
// Copyright (C) 1999-2000 Alexander S. Aganichev
// Copyright (C) 2000 Jacobo Tarrio
// ------------------------------------------------------------------
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this program; if not, write to the Free
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
// MA 02111-1307, USA
// ------------------------------------------------------------------
// $Id$
// ------------------------------------------------------------------
// Device-independent video functions
// ------------------------------------------------------------------
#include <cassert>
#include <cstdio>
#include <cstdlib>
#include <cstdarg>
#include <gmemall.h>
#include <gmemdbg.h>
#include <gstrall.h>
#if defined(__WATCOMC__) || defined(__DJGPP__)
#include <conio.h>
#endif
#include <gvidall.h>
#if defined(__OS2__)
#define INCL_BASE
#include <os2.h>
#endif
#if defined(__WIN32__)
#include <windows.h>
#endif
#if !defined(__USE_NCURSES__) && defined(__UNIX__)
#include <sys/ioctl.h>
#include <termios.h>
#include <unistd.h>
#include <errno.h>
#endif
#if defined(__DJGPP__)
#include <sys/farptr.h>
#include <go32.h>
#endif
// ------------------------------------------------------------------
// Check if Borland C++ for OS/2 1.0 header has been fixed
#if defined(__OS2__) && defined(__BORLANDC__)
#if __BORLANDC__ <= 0x400
#ifndef BCOS2_BSESUB_FIXED
#error There is a bug in the BSESUB.H header. Please fix it.
//
// Add/change the following in BSESUB.H:
//
// #define BCOS2_BSESUB_FIXED
// APIRET16 APIENTRY16 VioGetState (PVOID16 pState, HVIO hvio);
// APIRET16 APIENTRY16 VioSetState (PVOID16 pState, HVIO hvio);
//
// Borland forgot this (was only PVOID) ^^
//
#endif
#endif
#endif
// ------------------------------------------------------------------
// Global video data
GVid *gvid;
#if defined(__USE_NCURSES__)
// add statics here
#elif defined(__UNIX__)
int gvid_stdout = -1;
const char* gvid_acs_enable;
const char* gvid_acs_disable;
void _vputx(int row, int col, int atr, char chr, uint len);
void gvid_printf(const char* fmt, ...) __attribute__ ((format (printf, 1, 2)));
#elif defined(__WIN32__)
HANDLE gvid_hout = INVALID_HANDLE_VALUE;
#elif defined(__MSDOS__)
int __gdvdetected = false;
#endif
// ------------------------------------------------------------------
// Video Class constructor
GVid::GVid() {
#ifdef __DJGPP__
dmaptr = dmadir = 0;
#else
dmaptr = dmadir = NULL;
#endif
bufchr = NULL;
bufwrd = NULL;
bufansi = NULL;
init();
}
// ------------------------------------------------------------------
// Video Class destructor
GVid::~GVid() {
#if defined(__USE_NCURSES__)
attrset(A_NORMAL);
if(0 == (--curses_initialized))
endwin();
#elif defined(__UNIX__)
// "\033<" Enter ANSI mode
// "\033[?5l" Normal screen
// "\033[0m" Normal character attributes
gvid_printf("\033<\033[?5l\033[0m");
#endif
#ifndef __DJGPP__
if(dmaptr != dmadir) throw_xfree(dmaptr);
#endif
throw_xfree(bufwrd);
throw_xfree(bufchr);
throw_xfree(bufansi);
}
// ------------------------------------------------------------------
void GVid::init() {
#if defined(__USE_NCURSES__)
// Both display and keyboard will be initialized at once
if(0 == (curses_initialized++)) {
initscr();
raw();
noecho();
nonl();
intrflush(stdscr, FALSE);
keypad(stdscr, TRUE);
}
#endif
// Detect video adapter
detectadapter();
// Detect original video information
detectinfo(&orig);
memcpy(&curr, &orig, sizeof(GVidInfo));
#if defined(__MSDOS__)
device = GVID_DMA;
#elif defined(__OS2__)
device = GVID_OS2;
#elif defined(__WIN32__)
device = GVID_W32;
#endif
#if defined(__USE_NCURSES__)
dmaptr = dmadir = NULL;
#elif defined(__WATCOMC__) && defined(__386__)
dmaptr = dmadir = (gdma)(videoseg << 4);
#elif defined(__DJGPP__)
dmaptr = dmadir = ScreenPrimary;
#elif defined(__OS2__) || defined(__WIN32__)
dmaptr = dmadir = NULL;
#elif defined(__UNIX__)
dmaptr = (gdma)throw_xcalloc((orig.screen.rows+1)*orig.screen.columns, sizeof(word));
dmadir = NULL;
#else
dmaptr = dmadir = (gdma)MK_FP(videoseg, 0);
#endif
bufchr = NULL;
bufwrd = NULL;
bufansi = NULL;
resetcurr();
}
// ------------------------------------------------------------------
// Video adapter detect
int GVid::detectadapter() {
// Initialize to a valid value
adapter = GV_NONE;
#if defined(__USE_NCURSES__)
start_color();
setcolorpairs();
adapter = V_VGA;
#elif defined(__MSDOS__)
i86 cpu;
// Get video mode
cpu.ah(V_GET_MODE);
cpu.genint(0x10);
int _got_mode = cpu.al();
// Check for PS/2 compatible video BIOS by calling the get
// video configuration function. If it exists, the video
// configuration code will be returned in BL.
cpu.ax(0x1A00);
cpu.genint(0x10);
if(cpu.al() == 0x1A) {
switch(cpu.bl()) {
case 0x00:
adapter = GV_NONE;
break;
case 0x01:
adapter = V_MDA;
break;
case 0x02:
adapter = V_CGA;
break;
case 0x04:
adapter = V_EGA;
break;
case 0x05:
adapter = V_EGAMONO;
break;
case 0x07:
adapter = (_got_mode == 7) ? V_VGAMONO : V_VGA;
break;
case 0x08:
adapter = (_got_mode == 7) ? V_VGAMONO : V_VGA;
break;
case 0x0A:
case 0x0C:
adapter = V_MCGA;
break;
case 0x0B:
adapter = V_MCGAMONO;
break;
default:
adapter = V_VGA; // We hope it is VGA compatible!
}
}
else {
// OK, we know that it's not a PS/2 BIOS, so check for an EGA.
// If an EGA is not present, BH will be unchanged on return.
cpu.ah(0x12);
cpu.bl(0x10);
cpu.genint(0x10);
if(cpu.bl() - 0x10) {
adapter = cpu.bh() ? V_EGAMONO : V_EGA;
}
else {
// Now we know it's not an EGA. Get the BIOS equipment
// flag and test for CGA, MDA, or no video adapter.
cpu.genint(0x11);
switch(cpu.al() & 0x30) {
case 0x00:
adapter = (_got_mode == 7) ? V_VGAMONO : V_VGA; // EGA, VGA, or PGA
break;
case 0x10:
adapter = GV_NONE; // 40x25 color
break;
case 0x20:
adapter = V_CGA; // 80x25 color
break;
case 0x30:
adapter = V_MDA; // 80x25 monochrome
break;
}
}
}
#ifndef __DJGPP__
// Set video segment
#if defined(__BORLANDC__) && defined(__DPMI32__)
videoseg = (word)((adapter & V_MONO) ? __SegB000 : __SegB800);
#else
videoseg = (word)((adapter & V_MONO) ? 0xB000 : 0xB800);
#endif
// check for presence of DESQview by using the DOS Set
// System Date function and trying to set an invalid date
cpu.ax(0x2B01); // DOS Set System Date
cpu.ch('D');
cpu.cl('E');
cpu.dh('S');
cpu.dl('Q');
cpu.genint(0x21);
// if error, then DESQview not present
if(cpu.al() != 0xFF) {
__gdvdetected = true;
#if defined(__WATCOMC__) && defined(__386__)
memset(&RMI, 0, sizeof(RMI));
RMI.EAX = 0x0000FE00;
RMI.ES = videoseg;
cpu.ax(0x0300);
cpu.bl(0x10);
cpu.bh(0);
cpu.cx(0);
cpu.es(FP_SEG(&RMI));
cpu.edi(FP_OFF(&RMI));
cpu.genint(0x31);
videoseg = RMI.ES;
#else
cpu.ah(0xFE); // DV get alternate video buffer
cpu.es(videoseg);
cpu.di(0x0000);
cpu.genint(0x10);
videoseg = cpu.es();
#endif
}
#endif // __DJGPP__
#elif defined(__OS2__)
{
VIOCONFIGINFO vioconfiginfo;
memset(&vioconfiginfo, 0, sizeof(VIOCONFIGINFO));
vioconfiginfo.cb = sizeof(VIOCONFIGINFO);
VioGetConfig(0, &vioconfiginfo, 0);
switch(vioconfiginfo.adapter) {
case DISPLAY_MONOCHROME:
adapter = V_MDA;
break;
case DISPLAY_CGA:
adapter = V_CGA;
break;
case DISPLAY_EGA:
adapter = V_EGA;
break;
case DISPLAY_VGA:
adapter = V_VGA;
break;
default:
adapter = V_VGA; // We hope it is VGA compatible!
}
if(vioconfiginfo.display == DISPLAY_MONOCHROME)
adapter |= V_MONO;
}
#elif defined(__WIN32__)
gvid_hout = CreateFile("CONOUT$", GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_WRITE | FILE_SHARE_READ, NULL,
OPEN_EXISTING,
FILE_FLAG_NO_BUFFERING|FILE_FLAG_WRITE_THROUGH, NULL);
adapter = V_VGA;
#elif defined(__linux__)
for(int n=0; n<8; n++)
__box_table[n] = __box_table[8];
gvid_acs_enable = "\016";
gvid_acs_disable = "\017";
gvid_stdout = fileno(stdout);
adapter = V_VGA;
#elif defined(__UNIX__) // code below should not be normally used...
bool gvid_xterm = false;
const char* term = getenv("TERM");
if(term and strneql(term, "xterm", 5)) {
gvid_xterm = true;
for(int n=0; n<8; n++)
__box_table[n] = __box_table[8];
}
gvid_acs_enable = gvid_xterm ? "\033)0\033(B\016" : "\033[11m";
gvid_acs_disable = gvid_xterm ? "\033(B\033)B\017" : "\033[10m";
gvid_stdout = fileno(stdout);
adapter = V_VGA;
#endif
return adapter;
}
void GVid::setcolorpairs(bool enabletransparent) {
#if defined(__USE_NCURSES__)
/* init colors */
short mycolors[] = { COLOR_BLACK, COLOR_BLUE, COLOR_GREEN, COLOR_CYAN,
COLOR_RED, COLOR_MAGENTA, COLOR_YELLOW, COLOR_WHITE };
if(enabletransparent)
use_default_colors();
for(int i = 1; i < 64 and i < COLOR_PAIRS; i++) {
short bg=mycolors[(i>>3)&0x07];
init_pair(i, mycolors[(~i)&0x07], ((bg==COLOR_BLACK) && enabletransparent)?-1:bg);
}
#endif
}
// ------------------------------------------------------------------
// Video info detect
void GVid::detectinfo(GVidInfo* _info)
{
// Reset all original values
memset(_info, 0, sizeof(GVidInfo));
#if defined(__USE_NCURSES__)
_info->screen.mode = 0;
_info->screen.rows = LINES;
_info->screen.columns = COLS;
getyx(stdscr, _info->cursor.row, _info->cursor.column);
_info->color.textattr = 7;
_info->cursor.start = 11;
_info->cursor.end = 12;
_info->cursor.attr = 7;
_info->color.intensity = 1;
_info->color.overscan = 0;
#elif defined(__MSDOS__)
i86 cpu;
// Get video mode and number of columns
cpu.ah(V_GET_MODE);
cpu.genint(0x10);
_info->screen.mode = cpu.al();
_info->screen.columns = cpu.ah();
// Get the number of screen rows
if(adapter >= V_EGA) {
cpu.ax(V_GET_FONT_INFO);
cpu.dx(0);
cpu.genint(0x10);
_info->screen.rows = cpu.dl() + ((adapter & V_EGA) ? 0 : 1);
if(_info->screen.rows == 24) // Normally nonsense
_info->screen.rows++;
//_info->screen.cheight = cpu.cx();
_info->screen.cheight = 8;
_info->screen.cwidth = 8;
}
else {
_info->screen.rows = 25;
_info->screen.cheight = 8;
_info->screen.cwidth = 8;
}
// Get character attribute under the cursor
cpu.ah(V_RD_CHAR_ATTR);
cpu.bh(0);
cpu.genint(0x10);
_info->color.textattr = cpu.ah();
// Get cursor position and form
cpu.ah(V_GET_CURSOR_POS);
cpu.bh(0);
cpu.genint(0x10);
_info->cursor.row = cpu.dh();
_info->cursor.column = cpu.dl();
_info->cursor.start = cpu.ch();
_info->cursor.end = cpu.cl();
_info->cursor.attr = (word)_info->color.textattr;
// Get overscan color
if(adapter & V_VGA) {
cpu.ax(0x1008);
cpu.bh(0xFF);
cpu.genint(0x10);
_info->color.overscan = cpu.bh();
}
// Get intensity state
{
// Check bit 5 at 0000:0465
#if defined(__DJGPP__)
_info->color.intensity = (_farpeekb (_dos_ds, 0x465) & 0x20) ? 0 : 1;
#else
byte* _bptr = (byte*)0x0465;
_info->color.intensity = (*_bptr & 0x20) ? 0 : 1;
#endif
}
#elif defined(__OS2__)
// Get video mode and number of rows and columns
{
VIOMODEINFO viomodeinfo;
memset(&viomodeinfo, 0, sizeof(VIOMODEINFO));
viomodeinfo.cb = sizeof(VIOMODEINFO);
VioGetMode(&viomodeinfo, 0);
_info->screen.mode = viomodeinfo.fbType;
_info->screen.rows = viomodeinfo.row;
_info->screen.columns = viomodeinfo.col;
_info->screen.cheight = viomodeinfo.vres / viomodeinfo.row;
_info->screen.cwidth = viomodeinfo.hres / viomodeinfo.col;
}
// Get cursor position and character attribute under the cursor
{
USHORT usRow, usColumn;
VioGetCurPos(&usRow, &usColumn, 0);
_info->cursor.row = usRow;
_info->cursor.column = usColumn;
BYTE chat[2];
USHORT len = 2;
#if defined(__EMX__)
VioReadCellStr((PCH)chat, &len, usRow, usColumn, 0);
#else
VioReadCellStr((CHAR*)chat, &len, usRow, usColumn, 0);
#endif
_info->color.textattr = chat[1];
}
// Get cursor form
{
VIOCURSORINFO viocursorinfo;
memset(&viocursorinfo, 0, sizeof(VIOCURSORINFO));
VioGetCurType(&viocursorinfo, 0);
_info->cursor.start = viocursorinfo.yStart;
_info->cursor.end = viocursorinfo.cEnd;
_info->cursor.attr = viocursorinfo.attr;
}
// Get intensity state
{
VIOINTENSITY viointensity;
memset(&viointensity, 0, sizeof(VIOINTENSITY));
viointensity.cb = sizeof(VIOINTENSITY);
viointensity.type = 0x0002;
VioGetState(&viointensity, 0);
_info->color.intensity = viointensity.fs ? 1 : 0;
}
// Get overscan color
{
VIOOVERSCAN viooverscan;
memset(&viooverscan, 0, sizeof(VIOOVERSCAN));
viooverscan.cb = sizeof(VIOOVERSCAN);
viooverscan.type = 0x0001;
VioGetState(&viooverscan, 0);
_info->color.overscan = (int)viooverscan.color;
}
#elif defined(__WIN32__)
// Get video mode and number of rows and columns
CONSOLE_SCREEN_BUFFER_INFO csbi;
int result = GetConsoleScreenBufferInfo(gvid_hout, &csbi);
assert(result != 0);
_info->screen.mode = 0;
_info->screen.rows = csbi.dwSize.Y;
_info->screen.columns = csbi.dwSize.X;
// Get cursor position and character attribute under the cursor
_info->cursor.row = csbi.dwCursorPosition.Y;
_info->cursor.column = csbi.dwCursorPosition.X;
_info->color.textattr = csbi.wAttributes;
if(_info->screen.rows > 100) {
_info->screen.rows = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
_info->screen.columns = csbi.srWindow.Right - csbi.srWindow.Left + 1;
_info->cursor.row = csbi.dwCursorPosition.Y - csbi.srWindow.Top + 1;
_info->cursor.column = csbi.dwCursorPosition.X - csbi.srWindow.Left + 1;
}
// Get cursor form
CONSOLE_CURSOR_INFO cci;
GetConsoleCursorInfo(gvid_hout, &cci);
_info->cursor.start = (int) 1;
_info->cursor.end = cci.bVisible ? (int) 15 : 0;
_info->cursor.attr = (word)(cci.bVisible ? 7 : 0);
// Get intensity state
_info->color.intensity = 1;
// Get overscan color
_info->color.overscan = 0;
#elif defined(__UNIX__)
int r = 0, c = 0;
if(r <= 0) {
char *s = getenv("LINES");
if(s) {
//printf("getenv(\"LINES\") = %s\n", s);
r = atoi(s);
}
}
if(c <= 0) {
char *s = getenv("COLUMNS");
if(s) {
//printf("getenv(\"COLUMNS\") = %s\n", s);
c = atoi(s);
}
}
//printf("init1: c=%i, r=%i\n", c, r);
#if defined(TIOCGSIZE)
if(r <= 0 or c <= 0) {
struct ttysize sz;
do {
if((ioctl(1,TIOCGSIZE,&sz) == 0) or (ioctl(0, TIOCGSIZE, &sz) == 0) or (ioctl(2, TIOCGSIZE, &sz) == 0)) {
c = (int)sz.ts_cols;
r = (int)sz.ts_lines;
break;
}
} while(errno == EINTR);
}
//printf("init2: c=%i, r=%i\n", c, r);
#elif defined(TIOCGWINSZ)
if(r <= 0 or c <= 0) {
struct winsize wind_struct;
do {
if((ioctl(1,TIOCGWINSZ,&wind_struct) == 0) or (ioctl(0, TIOCGWINSZ, &wind_struct) == 0) or (ioctl(2, TIOCGWINSZ, &wind_struct) == 0)) {
c = (int)wind_struct.ws_col;
r = (int)wind_struct.ws_row;
break;
}
} while(errno == EINTR);
}
//printf("init3: c=%i, r=%i\n", c, r);
#endif
if((r <= 0) or (r > 200))
r = 24;
if((c <= 0) or (c > 250))
c = 80;
//printf("init4: c=%i, r=%i\n", c, r);
//*dmadir = 0;
_info->screen.mode = 0;
_info->screen.rows = r;
_info->screen.columns = c;
_info->cursor.row = 0;
_info->cursor.column = 0;
_info->color.textattr = 7;
_info->cursor.start = 11;
_info->cursor.end = 12;
_info->cursor.attr = 7;
_info->color.intensity = 1;
_info->color.overscan = 0;
#endif
getpalette(_info->color.palette);
}
// ------------------------------------------------------------------
// Reset current video info
void GVid::resetcurr() {
currow = curr.cursor.row;
curcol = curr.cursor.column;
numrows = curr.screen.rows;
numcols = curr.screen.columns;
throw_xfree(bufchr);
throw_xfree(bufwrd);
throw_xfree(bufansi);
bufchr = (vchar*)throw_xcalloc(sizeof(vchar), numcols+1);
bufwrd = (vatch*)throw_xcalloc(sizeof(vatch), numcols+1);
bufansi = (vchar*)throw_xcalloc(sizeof(vchar), (11*numcols)+1);
setdevice(device);
}
// ------------------------------------------------------------------
// Sets video output device
void GVid::setdevice(int _device) {
device = _device;
}
// ------------------------------------------------------------------
// Sets video mode
void GVid::setmode(int _mode) {
if(_mode) {
#if defined(__MSDOS__)
i86 cpu;
cpu.ah(0x00);
cpu.al((byte)_mode);
cpu.genint(0x10);
#endif
}
detectinfo(&curr);
resetcurr();
}
// ------------------------------------------------------------------
// Sets screen rows
void GVid::setrows(int _rows) {
int origrows = curr.screen.rows;
#if defined(__USE_NCURSES__)
NW(_rows);
#elif defined(__MSDOS__)
i86 cpu;
// Set video mode 3 (80xNN)
if(curr.screen.mode != 3) {
cpu.ax(0x0003);
cpu.genint(0x10);
}
if(adapter >= V_EGA) {
if((_rows == 28) and (adapter >= V_VGA)) { // vga-only
cpu.ax(0x1202);
cpu.bl(0x30);
cpu.genint(0x10);
cpu.ax(0x1111);
cpu.bl(0);
cpu.genint(0x10);
}
else if(_rows >= 43) {
cpu.ax(0x1112); // Load 8x8 character set
cpu.bl(0x00);
cpu.genint(0x10);
cpu.ax(0x1200); // Select alternate print-screen routine
cpu.bl(0x20);
cpu.genint(0x10);
if(adapter & V_EGA) {
// Disable cursor size emulation
byte* _bptr = (byte*)0x0487;
*_bptr |= (byte)0x01;
// Set cursor size
cpu.ah(0x01);
cpu.al((byte)orig.screen.mode);
cpu.cx(0x0600);
cpu.genint(0x10);
}
}
else {
if(adapter & V_EGA) {
// Enable cursor size emulation
byte* _bptr = (byte*)0x0487;
*_bptr &= (byte)0xFE;
}
// Set cursor size
cpu.ah(0x01);
cpu.al((byte)orig.screen.mode);
cpu.cx(0x0607);
cpu.genint(0x10);
}
}
#elif defined(__OS2__)
VIOMODEINFO viomodeinfo;
memset(&viomodeinfo, 0, sizeof(VIOMODEINFO));
viomodeinfo.cb = sizeof(VIOMODEINFO);
VioGetMode(&viomodeinfo, 0);
viomodeinfo.row = (USHORT)_rows;
VioSetMode(&viomodeinfo, 0);
#elif defined(__WIN32__) || defined(__UNIX__)
NW(_rows);
#endif
if(origrows < _rows)
vfill(origrows, 0, _rows, 80, ' ', LGREY_|_BLACK);
detectinfo(&curr);
resetcurr();
}
// ------------------------------------------------------------------
// Set the screen border (overscan) color
void GVid::setoverscan(vattr _overscan)
{
#if defined(__USE_NCURSES__)
NW (_overscan);
#elif defined(__MSDOS__)
i86 cpu;
cpu.ah(0x0B);
cpu.bh(0x00);
cpu.bl((byte)_overscan);
cpu.genint(0x10);
#elif defined(__OS2__)
VIOOVERSCAN viooverscan;
memset(&viooverscan, 0, sizeof(VIOOVERSCAN));
viooverscan.cb = sizeof(VIOOVERSCAN);
viooverscan.type = 0x0001;
VioGetState(&viooverscan, 0);
viooverscan.color = (BYTE)_overscan;
VioSetState(&viooverscan, 0);
#elif defined(__WIN32__) || defined(__UNIX__)
NW(_overscan);
#endif
}
// ------------------------------------------------------------------
// Set intensity/blinking state
void GVid::setintensity(int _intensity)
{
#if defined(__USE_NCURSES__)
NW(_intensity);
#elif defined(__MSDOS__)
#ifdef __DJGPP__
if(_intensity)
intensevideo();
else
blinkvideo();
#else
if(adapter & V_CGA) {
word* _wptr = (word*)0x0463;
byte* _bptr = (byte*)0x0465;
uint port = *_wptr + 4;
uint reg = *_bptr;
if(_intensity)
reg &= 0xDF;
else
reg |= 0x20;
outp(port, reg);
}
else {
i86 cpu;
cpu.ax(0x1003);
cpu.bh(0x00);
cpu.bl((byte)(_intensity ? 0 : 1));
cpu.genint(0x10);
}
#endif // __DJGPP__
#elif defined(__OS2__)
VIOINTENSITY viointensity;
memset(&viointensity, 0, sizeof(VIOINTENSITY));
viointensity.cb = sizeof(VIOINTENSITY);
viointensity.fs = (USHORT)(_intensity ? 1 : 0);
viointensity.type = 0x0002;
VioSetState(&viointensity, 0);
#elif defined(__WIN32__) || defined(__UNIX__)
NW(_intensity);
#endif
}
// ------------------------------------------------------------------
void GVid::getpalette(int* _palette)
{
#if defined(__USE_NCURSES__)
NW(_palette);
#elif defined(__MSDOS__)
// Get palette state
if(adapter & V_VGA) {
i86 cpu;
for(byte n=0; n<16; n++) {
cpu.ax(0x1007); // GET INDIVIDUAL PALETTE REGISTER
cpu.bh(0xFF);
cpu.bl(n);
cpu.genint(0x10);
_palette[n] = cpu.bh();
}
}
else {
// Set to standard palette colors
for(byte n=0; n<16; n++)
_palette[n] = n + ((n > 7) ? 48 : 0);
}
#elif defined(__OS2__)
// Get palette state
BYTE viopalstate[38];
PVIOPALSTATE pviopalstate;
memset(viopalstate, 0, sizeof(viopalstate));
pviopalstate = (PVIOPALSTATE)viopalstate;
pviopalstate->cb = sizeof(viopalstate);
pviopalstate->type = 0;
pviopalstate->iFirst = 0;
VioGetState(pviopalstate, 0);
for(byte n=0; n<16; n++)
_palette[n] = pviopalstate->acolor[n];
#elif defined(__WIN32__) || defined(__UNIX__)
NW(_palette);
#endif
}
// ------------------------------------------------------------------
void GVid::setpalette(int* _palette)
{
#if defined(__USE_NCURSES__)
NW(_palette);
#elif defined(__MSDOS__)
if(adapter & (V_EGA|V_MCGA|V_VGA)) {
i86 cpu;
for(byte n=0; n<16; n++) {
if(_palette[n] != -1) {
cpu.ax(0x1000);
cpu.bl(n);
cpu.bh((byte)_palette[n]);
cpu.genint(0x10);
}
}
}
#elif defined(__OS2__)
BYTE viopalstate[38];
PVIOPALSTATE pviopalstate;
memset(viopalstate, 0, sizeof(viopalstate));
pviopalstate = (PVIOPALSTATE)viopalstate;
pviopalstate->cb = sizeof(viopalstate);
pviopalstate->type = 0;
pviopalstate->iFirst = 0;
VioGetState(pviopalstate, 0);
for(byte n=0; n<16; n++)
if(_palette[n] != -1)
pviopalstate->acolor[n] = (USHORT)_palette[n];
VioSetState(pviopalstate, 0);
#elif defined(__WIN32__) || defined(__UNIX__)
NW(_palette);
#endif
}
// ------------------------------------------------------------------
void GVid::restore_cursor() {
vcurset(orig.cursor.start, orig.cursor.end);
vcurshow();
vposset(orig.cursor.row-1, 0);
}
// ------------------------------------------------------------------
void GVid::resize_screen(int columns, int rows) {
numcols = curr.screen.columns = columns;
numrows = curr.screen.rows = rows;
bufchr = (vchar*)throw_xrealloc(bufchr, numcols+1);
bufwrd = (vatch*)throw_xrealloc(bufwrd, (numcols+1)*sizeof(vatch));
bufansi = (vchar*)throw_xrealloc(bufansi, 1+(11*numcols));
#if defined(__UNIX__) && !defined(__USE_NCURSES__)
dmaptr = (gdma)throw_xrealloc(dmaptr, (rows+1)*columns*sizeof(word));
#endif
}
// ------------------------------------------------------------------
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