HIDDEN void
do_Char(int c, int xpos, int ypos, int odd)
{
register int i, j;
int base;
int totwid = font.width;
int down;
static float resbuf[FONTBUFSZ];
static RGBpixel fbline[FONTBUFSZ];
#if DEBUG_STRINGS
fb_log( "do_Char: c='%c' xpos=%d ypos=%d odd=%d\n",
c, xpos, ypos, odd );
#endif
/* read in character bit map, with two blank lines on each end */
for (i = 0; i < 2; i++)
clear_buf (totwid, filterbuf[i]);
for (i = font.height + 1; i >= 2; i--)
fill_buf (font.width, filterbuf[i]);
for (i = font.height + 2; i < font.height + 4; i++)
clear_buf (totwid, filterbuf[i]);
(void)SignedChar( font.dir[c].up );
down = SignedChar( font.dir[c].down );
/* Initial base line for filtering depends on odd flag. */
base = (odd ? 1 : 2);
/* Produce a RGBpixel buffer from a description of the character and
the read back data from the frame buffer for anti-aliasing.
*/
for (i = font.height + base; i >= base; i--)
{
squash( filterbuf[i - 1], /* filter info */
filterbuf[i],
filterbuf[i + 1],
resbuf,
totwid + 4
);
fb_read( fbp, xpos, ypos - down + i, (unsigned char *)fbline, totwid+3);
for (j = 0; j < (totwid + 3) - 1; j++)
{
register int tmp;
/* EDITOR'S NOTE : do not rearrange this code,
the SUN compiler can't handle more
complex expressions. */
tmp = fbline[j][RED] & 0377;
fbline[j][RED] =
(int)(paint[RED]*resbuf[j]+(1-resbuf[j])*tmp);
fbline[j][RED] &= 0377;
tmp = fbline[j][GRN] & 0377;
fbline[j][GRN] =
(int)(paint[GRN]*resbuf[j]+(1-resbuf[j])*tmp);
fbline[j][GRN] &= 0377;
tmp = fbline[j][BLU] & 0377;
fbline[j][BLU] =
(int)(paint[BLU]*resbuf[j]+(1-resbuf[j])*tmp);
fbline[j][BLU] &= 0377;
}
fb_write( fbp, xpos, ypos - down + i, (unsigned char *)fbline, totwid+3 );
}
return;
}
void
do_line(int xpos, int ypos, register const char* line, RGBpixel (*menu_border))
/* Menu outline color, if NULL, do filtering. */
{
register int currx;
register int char_count, char_id;
register int len = strlen( line );
#if DEBUG_STRINGS
fb_log( "do_line: xpos=%d ypos=%d line=\"%s\" menu_border=0x%x\n",
xpos, ypos, line, (int) menu_border );
#endif
if ( font.ffdes == NULL )
{
fb_log( "ERROR: must read font first.\n" );
return;
}
currx = xpos;
for ( char_count = 0; char_count < len; char_count++ )
{
char_id = (int) line[char_count] & 0377;
/* locate the bitmap for the character in the file */
if ( fseek( font.ffdes, (long)(SWABV(font.dir[char_id].addr)+font.offset), 0 )
== EOF
)
{
fb_log( "fseek() to %ld failed.\n",
(long)(SWABV(font.dir[char_id].addr) + font.offset)
);
return;
}
/* Read in the dimensions for the character */
font.width = SignedChar(font.dir[char_id].right) +
SignedChar(font.dir[char_id].left);
font.height = SignedChar(font.dir[char_id].up) +
SignedChar(font.dir[char_id].down);
#if DEBUG_STRINGS
fb_log( "do_line: right=%d left=%d up=%d down=%d\n",
SignedChar(font.dir[char_id].right),
SignedChar(font.dir[char_id].left),
SignedChar(font.dir[char_id].up),
SignedChar(font.dir[char_id].down)
);
fb_log( "do_line: width=%d height=%d\n", font.width, font.height );
#endif
if ( currx + font.width > fb_getwidth(fbp) - 1 )
break; /* won't fit on screen */
if ( menu_border == (RGBpixel *)RGBPIXEL_NULL )
do_Char( char_id, currx, ypos,
SignedChar(font.dir[char_id].down)%2 );
else
menu_char( currx,
ypos,
SignedChar(font.dir[char_id].down) % 2,
(unsigned char*)menu_border
);
currx += SWABV(font.dir[char_id].width) + 2;
}
return;
}
// CHECK-LABEL: @explicit_functional_signed_char_to_signed_char
signed char explicit_functional_signed_char_to_signed_char(signed char src) {
// CHECK-SANITIZE-NOT: call
// CHECK: }
return SignedChar(src);
}
