static int InitScreen( void )
/*===========================
This routine selects the best video mode for a given adapter. */
{
int mode;
_getvideoconfig( &VC );
switch( VC.adapter ) {
case _VGA :
mode = _VRES16COLOR;
break;
case _SVGA :
mode = _SVRES256COLOR;
break;
case _MCGA :
mode = _MRES256COLOR;
break;
case _EGA :
if( VC.monitor == _MONO ) {
mode = _ERESNOCOLOR;
} else {
mode = _ERESCOLOR;
}
break;
case _CGA :
mode = _MRES4COLOR;
break;
case _HERCULES :
mode = _HERCMONO;
break;
default :
return( 0 ); /* report insufficient hardware */
}
if( _setvideomode( mode ) == 0 ) {
return( 0 );
}
mess_with_stride();
_getvideoconfig( &VC );
if( VC.numcolors < 4 ) {
TextColour = 1;
TextColour2 = 1;
BorderColour = 1;
} else {
TextColour = 1;
TextColour2 = 3;
BorderColour = 2;
}
if( VC.adapter >= _MCGA ) {
/* set up new colours */
_remappalette( TextColour, 0x3f0000 ); /* light blue */
_remappalette( TextColour2, 0x3f0000 ); /* light blue */
_remappalette( BorderColour, _BLACK ); /* black */
}
return( 1 );
}
void
main( int argc, char **argv )
{
#if MS_CMDS
struct videoconfig vc;
short videomode;
/* Save original foreground, background, and text position. */
_getvideoconfig( &vc );
oldfgd = _gettextcolor();
oldbgd = _getbkcolor();
if ( vc.mode != _TEXTC80 )
{
if ( _setvideomode( _TEXTC80 ) == 0 )
{
_getvideoconfig( &vc );
prn_xprintf( stderr, "Failed to set color video mode\n" );
}
else
{
reset_mode = FALSE;
}
}
else
{
reset_mode = FALSE;
}
#endif /* MS_CMDS */
bwb_init( argc, argv );
#if INTERACTIVE
setjmp( mark );
#endif
/* now set the number of colors available */
* var_findnval( co, co->array_pos ) = (bnumber) vc.numcolors;
/* main program loop */
while( !feof( stdin ) ) /* condition !feof( stdin ) added in v1.11 */
{
bwb_mainloop();
}
}
static void _Radius( chartenv _WCI86FAR *env, short *xradius, short *yradius )
//=======================================================================
/* Calculates the x and y radii. */
{
short x1, y1;
short x2, y2;
float width;
float height;
float adj_height;
struct videoconfig vc;
_getvideoconfig( &vc );
x1 = env->datawindow.x1;
x2 = env->datawindow.x2;
y1 = env->datawindow.y1;
y2 = env->datawindow.y2;
if( env->chartstyle == _PG_PERCENT ) { // leave room for labels
x1 += 7 * _CharWidth;
x2 -= 7 * _CharWidth;
y1 += 3 * _CharHeight;
y2 -= 3 * _CharHeight;
}
width = 0.9f * ( x2 - x1 );
height = 0.9f * ( y2 - y1 );
adj_height = width * ( 4 * vc.numypixels ) / ( 3 * vc.numxpixels );
if( adj_height > height ) {
width = height * ( 3 * vc.numxpixels ) / ( 4 * vc.numypixels );
} else {
height = adj_height;
}
*xradius = width / 2;
*yradius = height / 2;
}
int main( int argc, char *argv[] )
//================================
// Initialize graphics library and presentation graphics
// system and then display several sample charts.
{
int mode;
if( argc == 2 ) {
mode = atoi( argv[ 1 ] );
} else {
mode = _MAXRESMODE;
}
if( _setvideomode( mode ) == 0 ) {
puts( "Cannot initialize video mode" );
return( 1 );
}
_getvideoconfig( &vconfig );
xmax = vconfig.numxpixels;
ymax = vconfig.numypixels;
xmid = xmax / 2;
ymid = ymax / 2;
_pg_initchart();
simple_chart();
press_key();
_clearscreen( _GCLEARSCREEN );
more_charts();
press_key();
_clearscreen( _GCLEARSCREEN );
scatter_charts();
press_key();
_setvideomode( _DEFAULTMODE );
return( 0 );
}
void main()
{ // initialize an organism, and then begin evolution
// initialize video mode
_setvideomode(_MAXRESMODE);
_getvideoconfig(&vc);
// set the special memory handler
_set_new_handler(free_memory);
// seed random number generator
srand((unsigned)time(NULL));
//CFile treeFile;
//if (treeFile.Open("TREE.DAT", CFile::modeRead))
//{ // file exists, so deserialize
//CArchive treeArc(&treeFile, CArchive::load);
//FoundingFather.Serialize(treeArc);
//treeArc.Close();
//treeFile.Close();
//}; // if
//FoundingFather.Dump(afxDump);
FoundingFather.evolve();
//if (treeFile.Open("TREE.DAT", CFile::modeCreate | CFile::modeWrite))
//{ // now serialize the family tree
//CArchive treeArc(&treeFile, CArchive::store);
//FoundingFather.Serialize(treeArc);
//treeArc.Close();
//treeFile.Close();
//}; // if
_clearscreen(_GCLEARSCREEN);
_setvideomode(_TEXTC80);
}; // void main()
int main(int argc,char** argv) {
int old_apage;
int old_vpage;
int new_apage;
int new_vpage;
struct videoconfig vc;
int ret;
if(argc==1) {
cputs("用法:\n\tcread 文件名\n");
return 0;
}
// set_video_mode(&vc);
// ROWS=_setvideomoderows(_TEXTC80,_MAXTEXTROWS);
_getvideoconfig(&vc);
ROWS = vc.numtextrows;
COLS = vc.numtextcols;
old_apage = _getactivepage();
old_vpage = _getvisualpage();
if(vc.numvideopages>1) {
if(old_apage >=1) {
new_apage = 0;
}
else {
new_apage = 1;
}
}
else {
new_apage = old_apage;
}
if(old_apage != new_apage) {
_setvisualpage(new_apage);
_setactivepage(new_apage);
_clearscreen(_GCLEARSCREEN);
}
print_videoconfig(&vc);
OUT_PRINTF_BEGIN
"old_visualpage=%d\nold_active_page=%d\n",
old_vpage,
old_apage
OUT_PRINTF_END
new_vpage = _getvisualpage();
new_apage = _getactivepage();
OUT_PRINTF_BEGIN
"new_visualpage=%d\nnew_active_page=%d\n",
new_vpage,
new_apage
OUT_PRINTF_END
ret = process(argc,argv);
_setactivepage(old_apage);
_setvisualpage(old_vpage);
// _setvideomode( _DEFAULTMODE );
return ret;
}
void set_video_mode(struct videoconfig* out) {
int mode;
struct videoconfig vc;
_getvideoconfig( &vc );
switch( vc.adapter ) {
case _VGA :
case _SVGA :
mode = _VRES16COLOR;
break;
case _MCGA :
mode = _MRES256COLOR;
break;
case _EGA :
if( vc.monitor == _MONO ) {
mode = _ERESNOCOLOR;
} else {
mode = _ERESCOLOR;
}
break;
case _CGA :
mode = _MRES4COLOR;
break;
case _HERCULES :
mode = _HERCMONO;
break;
default :
mode = -1;
cputs( "No graphics adapter\n" );
break;
}
if(mode == -1) {
_getvideoconfig(out);
}
else if(_setvideomode( mode ) ) {
_getvideoconfig( out );
}
}
void Do_Demo2( short mode )
/*=========================
This program draws bar and pie graphs for the
data specified above. */
{
if( !_setvideomode( mode ) ) return;
_getvideoconfig( &VC ); /* fill videoconfig structure */
TitleColour = ( VC.numcolors - 1 ) % 16;
Title();
BarGraph();
PieGraph();
Press_any_key();
}
