int main(int argc, char **argv)
{
int i, n;
char *s;
char *bad = NULL;
int c;
int width = 0, height = 0, bpp = 8, gray = 192, attributes = 0;
char *name, *testname;
GrFontHeader *hdr;
FILE *f;
char buffer[210];
GrEvent ev;
int key;
/* unfortunately not all systems support getopt() */
for(i = 1; i < argc; i++) {
s = argv[i];
if(*s != '-' || ((c = *++s) == '\0') || *++s != '\0') break;
if(c == '-') {
i++;
break;
}
if(++i == argc) {
fprintf(stderr, "-%c: argument required\n", c);
return(1);
}
if(sscanf(argv[i], "%d", &n) != 1 || n < 0) {
fprintf(stderr, "%s: invalid argument\n", argv[i]);
exit(1);
}
switch(c) {
case 'x' : width = n; break;
case 'y' : height = n; break;
case 'b' : if((bpp = n) < 2 || bpp > 32) bad = "bpp"; break;
case 'g' : if((gray = n) > 255) bad = "gray"; break;
case 'X' : if((deltax = n) > 31) bad = "deltax"; break;
case 'Y' : if((deltax = n) > 31) bad = "deltay"; break;
case 'a' : if((attributes = n) > 3) bad = "attributes"; break;
default : {
fprintf(stderr, "-%c: invalid option\n", c);
return(1);
}
}
if(bad) {
fprintf(stderr, "%d: %s out of range\n", n, bad);
return(1);
}
}
if(i == argc) {
printf(
"usage:\tfontdemo [-x WIDTH] [-y HEIGHT] [-b BPP] [-g COMPONENT]\n"
"\t[-X DELTAX] [-Y DELTAY] [-a ATTRIBUTES] FONT [FILE...]\n"
);
return(0);
}
name = argv[i++];
opt.txo_font = GrLoadFont(name);
if(opt.txo_font == NULL && (testname = malloc(strlen(name) + 10)) != NULL) {
/* try again, this is a test and the path can not been set yet */
#if defined(__MSDOS__) || defined(__WIN32__)
sprintf( testname,"..\\fonts\\%s",name );
#else
sprintf( testname,"../fonts/%s",name );
#endif
opt.txo_font = GrLoadFont(testname);
free(testname);
}
if(opt.txo_font == NULL) {
fprintf(stderr, "%s: load error\n", name);
return(1);
}
hdr = &opt.txo_font->h;
if(height == 0) {
if(width == 0) {
switch(hdr->height) {
case 8 :
case 14 : height = 400; break;
case 16 : height = 480; break;
case 20 : height = 600; break;
case 24 : height = 768; break;
default : height = hdr->height < 20 ? 480 : 768;
}
}
else height = width * 3 / 4;
}
if(width == 0) width = height == 400 ? 640 : height * 4 / 3;
GrSetMode(GR_width_height_bpp_graphics, width, height, bpp);
if(!gray || (opt.txo_fgcolor.v = GrAllocColor(gray, gray, gray)) == GrNOCOLOR) opt.txo_fgcolor.v = GrWhite();
if(attributes & 0x02) opt.txo_fgcolor.v |= GR_UNDERLINE_TEXT;
opt.txo_bgcolor.v = GrBlack();
if(attributes & 0x01) revert();
opt.txo_chrtype = GR_BYTE_TEXT;
opt.txo_direct = GR_TEXT_RIGHT;
opt.txo_xalign = GR_ALIGN_LEFT;
opt.txo_yalign = GR_ALIGN_TOP;
sprintf(buffer, "Font name:%s %dx%d", hdr->name, GrCharWidth('A', &opt), GrCharHeight('A', &opt));
if (hdr->proportional)
strcat(buffer, " proportional");
else
strcat(buffer, " fixed");
gputs(buffer);
sprintf(buffer, "Font family: %s", hdr->family);
gputs(buffer);
sprintf(buffer, "Min char, num chars: %d, %d", hdr->minchar,hdr->numchars);
gputs(buffer);
sprintf(buffer, "Screen res: %dx%d@%lu", GrSizeX(), GrSizeY(), (unsigned long) GrNumColors());
gputs(buffer);
gnewl();
gputs("THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG");
gputs("the quick brown fox jumps over the lazy dog");
gnewl();
// if(hdr->minchar <= 0xC0 && hdr->minchar + hdr->numchars >= 0x100) {
// gputs("������� ��� ���� ���� ��");
// gputs("������� ��� ���� ���� ��");
// gnewl();
// }
/* ascii table, or to be precise, a full table of the current font */
opt.txo_chrtype = GR_WORD_TEXT;
for(c = 0; c < hdr->numchars; c++) {
gputc(hdr->minchar + c);
if(c % 0x20 == 0x1F) gnewl();
}
gnewl();
if(c % 0x20 != 0) gnewl();
opt.txo_chrtype = GR_BYTE_TEXT;
while(i < argc) {
name = argv[i++];
if((f = fopen(name, "r")) == NULL) {
perror(name);
return(1);
}
while((c = getc(f)) != EOF) if(c != '\n') gputc(c); else gnewl();
if(ferror(f) != 0 || fclose(f) != 0) {
perror(name);
return(1);
}
}
/* enter and esc are < 0x100 and displayed 1:1 */
gputs("F1-new line F5-toggle reverse F7-toggle underline F10-exit");
gnewl();
GrEventInit();
while(1) {
GrEventWait(&ev);
if(ev.type == GREV_KEY) {
key = ev.p1;
if( key == GrKey_F10) break;
if(key == GrKey_F1) gnewl();
else if(key == GrKey_F5) revert();
else if(key == GrKey_F7) opt.txo_fgcolor.v ^= GR_UNDERLINE_TEXT;
else if(key < 0x100) gputc(key);
}
}
GrEventUnInit();
GrUnloadFont(opt.txo_font);
return(0);
}
/* String length in chars which fit in w pixels (assuming all chars
have an equal width) */
int ws_charstrlen(int w) {
return w / GrCharWidth('M', &ws_private.textopt);
}
/* all control characters are displayed 1:1 */
static void gputc(int c)
{
if(curx + GrCharWidth(c, &opt) + deltax > GrSizeX()) gnewl();
GrDrawChar(c, curx, cury, &opt);
curx += GrCharWidth(c, &opt) + deltax;
}
