Browse Source

engine: client: font: finally add support for tab character in engine

pull/2/head
Alibek Omarov 2 years ago
parent
commit
f910f4896c
  1. 37
      engine/client/cl_font.c

37
engine/client/cl_font.c

@ -135,6 +135,18 @@ void CL_FreeFont( cl_font_t *font ) @@ -135,6 +135,18 @@ void CL_FreeFont( cl_font_t *font )
memset( font, 0, sizeof( *font ));
}
static int CL_CalcTabStop( const cl_font_t *font, int x )
{
int space = font->charWidths[' '];
int tab = space * 6; // 6 spaces
int stop = tab - x % tab;
if( stop < space )
return tab * 2 - x % tab; // select next
return stop;
}
int CL_DrawCharacter( float x, float y, int number, rgba_t color, cl_font_t *font, int flags )
{
wrect_t *rc;
@ -145,6 +157,16 @@ int CL_DrawCharacter( float x, float y, int number, rgba_t color, cl_font_t *fon @@ -145,6 +157,16 @@ int CL_DrawCharacter( float x, float y, int number, rgba_t color, cl_font_t *fon
if( !font || !font->valid || y < -font->charHeight )
return 0;
// check if printable
if( number <= 32 )
{
if( number == ' ' )
return font->charWidths[' '];
else if( number == '\t' )
return CL_CalcTabStop( font, x );
return 0;
}
if( FBitSet( flags, FONT_DRAW_UTF8 ))
number = Con_UtfProcessChar( number & 255 );
else number &= 255;
@ -154,7 +176,7 @@ int CL_DrawCharacter( float x, float y, int number, rgba_t color, cl_font_t *fon @@ -154,7 +176,7 @@ int CL_DrawCharacter( float x, float y, int number, rgba_t color, cl_font_t *fon
R_GetTextureParms( &texw, &texh, font->hFontTexture );
if( !texw || !texh )
return 0;
return font->charWidths[number];
rc = &font->fontRc[number];
if( font->nearest || font->scale <= 1.0f )
@ -241,7 +263,12 @@ int CL_DrawString( float x, float y, const char *s, rgba_t color, cl_font_t *fon @@ -241,7 +263,12 @@ int CL_DrawString( float x, float y, const char *s, rgba_t color, cl_font_t *fon
void CL_DrawCharacterLen( cl_font_t *font, int number, int *width, int *height )
{
if( !font || !font->valid ) return;
if( width ) *width = font->charWidths[number & 255];
if( width )
{
if( number == '\t' )
*width = CL_CalcTabStop( font, 0 ); // at least return max tabstop
else *width = font->charWidths[number & 255];
}
if( height ) *height = font->charHeight;
}
@ -281,6 +308,12 @@ void CL_DrawStringLen( cl_font_t *font, const char *s, int *width, int *height, @@ -281,6 +308,12 @@ void CL_DrawStringLen( cl_font_t *font, const char *s, int *width, int *height,
}
continue;
}
else if( *s == '\t' )
{
draw_len += CL_CalcTabStop( font, 0 ); // at least return max tabstop
s++;
continue;
}
if( IsColorString( s ))
{

Loading…
Cancel
Save