//===============
//SCR_DrawRawString - Doesn't care about aligning. Returns drawn len.
// It can stop when reaching maximum width when a value has been parsed.
//===============
static int SCR_DrawRawString( int x, int y, const char *str, int maxwidth, struct mufont_s *font, vec4_t color )
{
int xoffset = 0, yoffset = 0;
vec4_t scolor;
const char *s, *olds;
int gc, colorindex;
qwchar num;
if( !str )
return 0;
if( !font )
font = cls.fontSystemSmall;
if( maxwidth < 0 )
maxwidth = 0;
Vector4Copy( color, scolor );
s = str;
while( s )
{
olds = s;
gc = Q_GrabWCharFromColorString( &s, &num, &colorindex );
if( gc == GRABCHAR_CHAR )
{
if( num == '\n' )
break;
if( num < ' ' )
continue;
if( num >= font->numchars || !( font->chars[num].height ) )
num = REPLACEMENT_CHAR;
if( maxwidth && ( ( xoffset + font->chars[num].width ) > maxwidth ) )
{
s = olds;
break;
}
if( num != ' ' )
R_DrawStretchPic( x+xoffset, y+yoffset, font->chars[num].width, font->chars[num].height,
font->chars[num].s1, font->chars[num].t1, font->chars[num].s2, font->chars[num].t2,
scolor, font->shader );
xoffset += font->chars[num].width;
}
else if( gc == GRABCHAR_COLOR )
{
assert( ( unsigned )colorindex < MAX_S_COLORS );
VectorCopy( color_table[colorindex], scolor );
}
else if( gc == GRABCHAR_END )
break;
else
assert( 0 );
}
return ( s - str );
}
void SCR_DrawClampString( int x, int y, const char *str, int xmin, int ymin, int xmax, int ymax, struct mufont_s *font, vec4_t color )
{
int xoffset = 0, yoffset = 0;
vec4_t scolor;
int colorindex;
qwchar num;
const char *s = str;
int gc;
if( !str )
return;
if( !font )
font = cls.fontSystemSmall;
// clamp mins and maxs to the screen space
if( xmin < 0 )
xmin = 0;
if( xmax > (int)viddef.width )
xmax = (int)viddef.width;
if( ymin < 0 )
ymin = 0;
if( ymax > (int)viddef.height )
ymax = (int)viddef.height;
if( xmax <= xmin || ymax <= ymin || x > xmax || y > ymax )
return;
Vector4Copy( color, scolor );
while( 1 )
{
gc = Q_GrabWCharFromColorString( &s, &num, &colorindex );
if( gc == GRABCHAR_CHAR )
{
if( num == '\n' )
break;
if( num < ' ' )
continue;
if( num >= font->numchars || !( font->chars[num].height ) )
num = REPLACEMENT_CHAR;
if( num != ' ' )
SCR_DrawClampChar( x + xoffset, y + yoffset, num, xmin, ymin, xmax, ymax, font, scolor );
xoffset += font->chars[num].width;
if( x + xoffset > xmax )
break;
}
else if( gc == GRABCHAR_COLOR )
{
assert( ( unsigned )colorindex < MAX_S_COLORS );
VectorCopy( color_table[colorindex], scolor );
}
else if( gc == GRABCHAR_END )
break;
else
assert( 0 );
}
}
/*
* FTLIB_GrabChar
*/
static int FTLIB_GrabChar( const char **pstr, wchar_t *wc, int *colorindex, int flags )
{
if( flags & TEXTDRAWFLAG_NO_COLORS ) {
wchar_t num = Q_GrabWCharFromUtf8String( pstr );
*wc = num;
return num ? GRABCHAR_CHAR : GRABCHAR_END;
}
return Q_GrabWCharFromColorString( pstr, wc, colorindex );
}
//==================
// SCR_StrlenForWidth
// returns the len allowed for the string to fit inside a given width when using a given font.
//==================
size_t SCR_StrlenForWidth( const char *str, struct mufont_s *font, size_t maxwidth )
{
const char *s, *olds;
size_t width = 0;
int gc;
qwchar num;
if( !str )
return 0;
if( !font )
font = cls.fontSystemSmall;
s = str;
while( s )
{
olds = s;
gc = Q_GrabWCharFromColorString( &s, &num, NULL );
if( gc == GRABCHAR_CHAR )
{
if( num == '\n' )
break;
if( num < ' ' )
continue;
if( num >= font->numchars || !( font->chars[num].height ) )
num = REPLACEMENT_CHAR;
if( maxwidth && ( ( width + font->chars[num].width ) > maxwidth ) )
{
s = olds;
break;
}
width += font->chars[num].width;
}
else if( gc == GRABCHAR_COLOR )
continue;
else if( gc == GRABCHAR_END )
break;
else
assert( 0 );
}
return (unsigned int)( s - str );
}
//==================
// SCR_strWidth
// doesn't count invisible characters. Counts up to given length, if any.
//==================
size_t SCR_strWidth( const char *str, struct mufont_s *font, int maxlen )
{
const char *s = str;
size_t width = 0;
qwchar num;
if( !str )
return 0;
if( !font )
font = cls.fontSystemSmall;
while( *s && *s != '\n' )
{
if( maxlen && ( s - str ) >= maxlen ) // stop counting at desired len
return width;
switch( Q_GrabWCharFromColorString( &s, &num, NULL ) )
{
case GRABCHAR_CHAR:
if( num < ' ' )
break;
if( num >= font->numchars || !( font->chars[num].height ) )
num = REPLACEMENT_CHAR;
width += font->chars[num].width;
break;
case GRABCHAR_COLOR:
break;
case GRABCHAR_END:
return width;
default:
assert( 0 );
}
}
return width;
}
