/*
** Open graphics
*/
static PSD
DJGR_open(PSD psd)
{
int x;
int y;
int c;
GrVideoMode *md_info;
x = 640;
y = 480;
c = 256;
GrSetMode(GR_width_height_color_graphics,x,y,c);
md_info = (GrVideoMode *) GrCurrentVideoMode();
psd->xres = psd->xvirtres = GrScreenX();
psd->yres = psd->yvirtres = GrScreenY();
psd->linelen = md_info->lineoffset;
psd->planes = 1;
psd->bpp = md_info->bpp;
psd->ncolors = GrNumColors();
psd->flags = PSF_SCREEN;
psd->addr = 0; /* FIXME */
/* note: must change psd->pixtype here for truecolor systems*/
psd->pixtype = MWPF_PALETTE;
return psd;
}
static void ini_graphics(void)
{
gfaz_ini(gwidth, gheight, gbpp);
gwidth = GrScreenX();
gheight = GrScreenY();
grcglob = NULL;
if (gwidth > 640 || gheight > 480) {
GrClearScreen(GrAllocColor(120, 90, 60));
worg = (gwidth - 640) / 2;
horg = (gheight - 480) / 2;
grcglob = GrCreateSubContext(worg, horg, worg + 639, horg + 479,
NULL, NULL);
GrSetContext(grcglob);
}
}
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 {
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 y,sx;
sx=GrScreenX()>>2;
for(y=0;y<GrScreenY();y++) {
int yy = y & 255;
GrHLine(0,sx-1,y,GrBuildRGBcolorT(yy,0,0));
GrHLine(sx,2*sx-1,y,GrBuildRGBcolorT(0,yy,0));
GrHLine(2*sx,3*sx-1,y,GrBuildRGBcolorT(0,0,yy));
GrHLine(3*sx,4*sx-1,y,GrBuildRGBcolorT(yy,yy,yy));
}
}
PrintInfo();
GrEventInit();
GrMouseDisplayCursor();
GrEventWait(&ev);
GrEventUnInit();
GrSetMode(GR_default_text);
}
int main(void)
{
GrContext *pContext;
int sizex = 40;
int sizey = 40;
int x = 0;
int y = 40;
GrColor fcolor, bcolor;
int k;
GrEvent ev;
GrSetMode(GR_default_graphics);
GrEventInit();
GrMouseDisplayCursor();
/* Create a 1bpp bitmap */
pContext = GrCreateFrameContext(GR_frameRAM1, sizex, sizey, NULL, NULL);
/* draw something (black and white) into the bitmap */
GrSetContext(pContext);
GrClearContext(GrBlack());
GrLine(0, 0, sizex-1, sizey-1, GrWhite());
GrLine(0, sizey-1, sizex-1, 0, GrWhite());
GrSetContext(NULL);
fcolor = GrAllocColor(255, 0, 0);
bcolor = GrAllocColor(0, 0, 255);
GrTextXY(0, 0, "Type u d l r U D L R to move, 1 2 to change color, q to quit",
GrWhite(), GrNOCOLOR);
GrSetClipBox(0, 40, GrScreenX(), GrScreenY());
/* Put the bitmap into the screen */
GrBitBlt1bpp(NULL, x, y, pContext, 0, 0, sizex-1, sizey-1, fcolor, bcolor);
while (1) {
k = '\0';
GrEventWait(&ev);
if (ev.type == GREV_KEY) k = ev.p1;
if (k == 'q') break;
switch (k) {
case 'u': y--; break;
case 'd': y++; break;
case 'l': x--; break;
case 'r': x++; break;
case 'U': y -= 10; break;
case 'D': y += 10; break;
case 'L': x -= 10; break;
case 'R': x += 10; break;
case '1': fcolor = GrAllocColor(255, 0, 0);
bcolor = GrAllocColor(0, 0, 255);
break;
case '2': fcolor = GrAllocColor(0, 255, 255);
bcolor = GrAllocColor(255, 255, 0);
break;
default: continue;
}
if (x < -40) x = -40;
if (x > GrScreenX()) x = GrScreenX();
if (y < 0) y = 0;
if (y > GrScreenY()) y = GrScreenY();
GrBitBlt1bpp( NULL, x, y, pContext, 0, 0, sizex-1, sizey-1, fcolor, bcolor);
}
/* Destroy */
GrDestroyContext(pContext);
GrEventUnInit();
GrSetMode(GR_default_text);
return 0;
}
/*
** Open graphics
*/
static PSD
DJGR_open(PSD psd)
{
PSUBDRIVER subdriver;
GrVideoMode *md_info;
int vwidth,vheight,vbpp;
vwidth = SCREEN_WIDTH;
vheight = SCREEN_HEIGHT;
if(SCREEN_PIXTYPE == MWPF_TRUECOLOR8888) {
vbpp=32;
} else if(SCREEN_PIXTYPE == MWPF_TRUECOLOR888) {
vbpp=24;
} else if(SCREEN_PIXTYPE == MWPF_TRUECOLOR565) {
vbpp=16;
} else {
vbpp=8; //palette
}
GrSetMode(GR_width_height_bpp_graphics,vwidth,vheight,vbpp);
md_info = (GrVideoMode *) GrCurrentVideoMode();
psd->xres = psd->xvirtres = GrScreenX();
psd->yres = psd->yvirtres = GrScreenY();
psd->planes = 1;
psd->bpp = md_info->bpp;
psd->ncolors = psd->bpp >= 24 ? (1 << 24) : (1 << psd->bpp);
psd->flags = PSF_SCREEN | PSF_ADDRMALLOC;
/* Calculate the correct size and linelen here */
GdCalcMemGCAlloc(psd, psd->xres, psd->yres, psd->planes, psd->bpp,
&psd->size, &psd->pitch);
if(psd->bpp == 32) {
psd->pixtype = MWPF_TRUECOLOR8888;
} else if(psd->bpp == 16) {
psd->pixtype = MWPF_TRUECOLOR565;
} else if(psd->bpp == 24) {
psd->pixtype = MWPF_TRUECOLOR888;
} else {
psd->pixtype = MWPF_PALETTE;
}
psd->portrait = MWPORTRAIT_NONE;
psd->data_format = set_data_format(psd);
/*
* set and initialize subdriver into screen driver
* psd->size is calculated by subdriver init
*/
subdriver = select_fb_subdriver(psd);
psd->orgsubdriver = subdriver;
set_subdriver(psd, subdriver);
if ((psd->addr = malloc(psd->size)) == NULL)
return NULL;
return psd;
}
