void ws_setdriver(const char *name) {
GrSetDriver( (char *)name );
}
int main(void)
{
static int firstgr = 1;
GrEvent ev;
GrSetDriver(NULL);
if(GrCurrentVideoDriver() == NULL) {
printf("No graphics driver found\n");
exit(1);
}
for( ; ; ) {
int i,w,h,px,py;
char m1[41];
nmodes = (int)(collectmodes(GrCurrentVideoDriver(),grmodes) - grmodes);
if(nmodes == 0) {
printf("No graphics modes found\n");
exit(1);
}
qsort(grmodes,nmodes,sizeof(grmodes[0]),vmcmp);
printf(
"Graphics driver: \"%s\"\n"
" graphics defaults: %dx%d %ld colors\n"
" text defaults: %dx%d %ld colors\n\n",
GrCurrentVideoDriver()->name,
GrDriverInfo->defgw,
GrDriverInfo->defgh,
(long)GrDriverInfo->defgc,
GrDriverInfo->deftw,
GrDriverInfo->defth,
(long)GrDriverInfo->deftc
);
PrintModes();
printf("\nEnter choice #, or anything else to quit> ");
fflush(stdout);
if(!fgets(m1,40,stdin) ||
(sscanf(m1,"%d",&i) != 1) || (i < 1) || (i > nmodes)) {
exit(0);
}
if(firstgr) {
printf(
"When in graphics mode, press any key to return to menu.\n"
"Now press <CR> to continue..."
);
fflush(stdout);
fgets(m1,40,stdin);
firstgr = 0;
}
i--;
GrSetMode(
GR_width_height_bpp_graphics,
grmodes[i].w,
grmodes[i].h,
grmodes[i].bpp
);
if(grmodes[i].bpp<15) {
w = GrScreenX() >> 1;
h = GrScreenY() >> 1;
px = w + 5;
py = h + 5;
w -= 10;
h -= 10;
drawing(
5,5,w,h,
GrBlack(),
GrWhite()
);
drawing(
px,5,w,h,
GrAllocColor(255,0,0),
GrAllocColor(0,255,0)
);
drawing(
5,py,w,h,
GrAllocColor(0,0,255),
GrAllocColor(255,255,0)
);
drawing(
px,py,w,h,
GrAllocColor(255,0,255),
GrAllocColor(0,255,255)
);
} else {
int GrSetMode(GrGraphicsMode which,...)
{
int w,h,pl,vw,vh;
int t,noclear,res;
GrColor c;
va_list ap;
GRX_ENTER();
pl = 0;
vw = 0;
vh = 0;
t = FALSE;
noclear = FALSE;
c = 0;
res = FALSE;
DBGPRINTF(DBG_SETMD,("Mode: %d\n",(int)which));
if(DRVINFO->vdriver == NULL) {
GrSetDriver(NULL);
if(DRVINFO->vdriver == NULL) {
res = errhdlr("could not find suitable video driver");
goto done;
}
}
va_start(ap,which);
switch(which) {
case GR_NC_default_text:
noclear = TRUE;
case GR_default_text:
w = DRVINFO->deftw;
h = DRVINFO->defth;
c = DRVINFO->deftc;
t = TRUE;
break;
case GR_NC_320_200_graphics:
noclear = TRUE;
case GR_320_200_graphics:
w = 320;
h = 200;
c = DRVINFO->defgc;
break;
case GR_NC_default_graphics:
noclear = TRUE;
case GR_default_graphics:
w = DRVINFO->defgw;
h = DRVINFO->defgh;
c = DRVINFO->defgc;
break;
case GR_NC_width_height_graphics:
noclear = TRUE;
case GR_width_height_graphics:
w = va_arg(ap,int);
h = va_arg(ap,int);
c = DRVINFO->defgc;
break;
case GR_NC_biggest_graphics:
noclear = TRUE;
case GR_biggest_graphics:
w = DRVINFO->biggw;
h = DRVINFO->biggh;
pl = 32;
break;
case GR_NC_width_height_color_graphics:
noclear = TRUE;
case GR_width_height_color_graphics:
w = va_arg(ap,int);
h = va_arg(ap,int);
c = va_arg(ap,GrColor);
break;
case GR_NC_width_height_bpp_graphics:
noclear = TRUE;
case GR_width_height_bpp_graphics:
w = va_arg(ap,int);
h = va_arg(ap,int);
pl = va_arg(ap,int);
break;
case GR_NC_custom_graphics:
noclear = TRUE;
case GR_custom_graphics:
w = va_arg(ap,int);
h = va_arg(ap,int);
c = va_arg(ap,GrColor);
vw = va_arg(ap,int);
vh = va_arg(ap,int);
break;
case GR_NC_custom_bpp_graphics:
noclear = TRUE;
case GR_custom_bpp_graphics:
w = va_arg(ap,int);
h = va_arg(ap,int);
pl = va_arg(ap,int);
vw = va_arg(ap,int);
vh = va_arg(ap,int);
break;
default:
va_end(ap);
res = errhdlr("unknown video mode");
goto done;
}
va_end(ap);
if (c)
for(pl = 1; (pl < 32) && ((1UL << pl) < (GrColor)c); pl++) ;
for( ; ; ) {
GrContext cxt;
GrFrameDriver fdr;
GrVideoMode *mdp,vmd;
mdp = (DRVINFO->vdriver->selectmode)(DRVINFO->vdriver,w,h,pl,t,NULL);
if(!mdp) {
res = errhdlr("could not find suitable video mode");
goto done;
}
sttcopy(&vmd,mdp);
if((t || buildframedriver(&vmd,&fdr)) &&
(*vmd.extinfo->setup)(&vmd,noclear) &&
(t || buildcontext(&vmd,&fdr,&cxt))) {
if((!t) &&
((vw > vmd.width) || (vh > vmd.height)) &&
(vmd.extinfo->setvsize != NULL) &&
(vmd.extinfo->scroll != NULL)) {
int ww = vmd.width = imax(vw,vmd.width);
int hh = vmd.height = imax(vh,vmd.height);
if(!(*vmd.extinfo->setvsize)(&vmd,ww,hh,&vmd) ||
!buildcontext(&vmd,&fdr,&cxt)) {
sttcopy(&vmd,mdp);
buildcontext(&vmd,&fdr,&cxt);
(*vmd.extinfo->setup)(&vmd,noclear);
}
}
// DBGPRINTF(DBG_SETMD,("GrMouseUnInit ...\n"));
// GrMouseUnInit();
// DBGPRINTF(DBG_SETMD,("GrMouseUnInit done\n"));
DRVINFO->setbank = (void (*)(int ))_GrDummyFunction;
DRVINFO->setrwbanks = (void (*)(int,int))_GrDummyFunction;
DRVINFO->curbank = (-1);
DRVINFO->splitbanks = FALSE;
if(!t) {
if(vmd.extinfo->setbank) {
DRVINFO->setbank = vmd.extinfo->setbank;
}
if(vmd.extinfo->setrwbanks) {
DRVINFO->setrwbanks = vmd.extinfo->setrwbanks;
DRVINFO->splitbanks = TRUE;
}
if(umul32(vmd.lineoffset,vmd.height) <= 0x10000L) {
DRVINFO->splitbanks = TRUE;
}
}
else {
sttzero(&cxt);
sttcopy(&fdr,&DRVINFO->tdriver);
cxt.gc_driver = &DRVINFO->tdriver;
}
sttcopy(&CXTINFO->current,&cxt);
sttcopy(&CXTINFO->screen, &cxt);
sttcopy(&DRVINFO->fdriver,&fdr);
sttcopy(&DRVINFO->sdriver,&fdr);
sttcopy(&DRVINFO->actmode,&vmd);
DRVINFO->curmode = mdp;
DRVINFO->mcode = which;
DRVINFO->vposx = 0;
DRVINFO->vposy = 0;
DBGPRINTF(DBG_SETMD,("GrResetColors ...\n"));
if ( !_GrResetColors() ) {
res = errhdlr("could not set color mode");
goto done;
}
DBGPRINTF(DBG_SETMD,("GrResetColors done\n"));
if(fdr.init) {
DBGPRINTF(DBG_SETMD,("fdr.init ...\n"));
(*fdr.init)(&DRVINFO->actmode);
DBGPRINTF(DBG_SETMD,("fdr.init done\n"));
}
if(DRVINFO->mdsethook) {
DBGPRINTF(DBG_SETMD,("mdsethook ...\n"));
(*DRVINFO->mdsethook)();
DBGPRINTF(DBG_SETMD,("mdsethook done\n"));
}
DBGPRINTF(DBG_SETMD,("GrSetMode complete\n"));
res = TRUE;
goto done;
}
mdp->present = FALSE;
}
done:
GRX_RETURN(res);
}
