diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/ui/ui_shared.c | 175 |
1 files changed, 94 insertions, 81 deletions
diff --git a/src/ui/ui_shared.c b/src/ui/ui_shared.c index b03313be..5666ed60 100644 --- a/src/ui/ui_shared.c +++ b/src/ui/ui_shared.c @@ -1977,67 +1977,81 @@ static ID_INLINE fontInfo_t *UI_FontForScale( float scale ) return &DC->Assets.textFont; } -float UI_Text_Width( const char *text, float scale, int limit ) +float UI_Char_Width( const char **text, float scale, int *characters ) { - int count; - float out; glyphInfo_t *glyph; float useScale; - const char *s = text; + const char *s; fontInfo_t *font = UI_FontForScale( scale ); int emoticonLen; qboolean emoticonEscaped; float emoticonW; int emoticonWidth; - int emoticons = 0; - float indentWidth = 0.0f; useScale = scale * font->glyphScale; emoticonW = UI_EmoticonWidth( font, scale ); - out = 0; - if( text ) + if( text && *text && characters ) { - count = 0; - indentWidth = UI_Parse_Indent( &s ); + s = *text; + glyph = &font->glyphs[ (int)*s ]; - while( s && *s && ( limit == 0 || count < limit ) ) + if( Q_IsColorString( s ) ) { - glyph = &font->glyphs[( int )*s]; + *text = s + 2; + return 0.0f; + } - if( Q_IsColorString( s ) ) - { - s += 2; - continue; - } + if( *s == INDENT_MARKER ) + { + (*characters)++; + *text = s + 1; - if( *s == INDENT_MARKER ) - { - s++; - count++; - continue; - } + return 0.0f; + } - if( UI_Text_IsEmoticon( s, &emoticonEscaped, &emoticonLen, - NULL, &emoticonWidth ) ) + if( UI_Text_IsEmoticon( s, &emoticonEscaped, &emoticonLen, + NULL, &emoticonWidth ) ) + { + if( emoticonEscaped ) + s++; + else { - if( emoticonEscaped ) - s++; - else - { - s += emoticonLen; - count += emoticonLen; - emoticons += emoticonWidth; - continue; - } + *characters += emoticonLen; + *text = s + emoticonLen; + + return emoticonWidth * emoticonW; } - out += ( glyph->xSkip * DC->aspectScale ); - s++; - count++; } + + (*characters)++; + *text = s + 1; + + return glyph->xSkip * DC->aspectScale * useScale; + } + + return 0.0f; +} + +float UI_Text_Width( const char *text, float scale, int limit ) +{ + int count; + float out; + const char *s = text; + float indentWidth = 0.0f; + + out = 0.0f; + + if( text ) + { + count = 0; + indentWidth = UI_Parse_Indent( &s ); + + while( *s && ( limit == 0 || count < limit ) ) + out += UI_Char_Width( &s, scale, &count ); } - return ( out * useScale ) + ( emoticons * emoticonW ) + indentWidth; + return out + indentWidth; } float UI_Text_Height( const char *text, float scale, int limit ) @@ -4319,60 +4333,45 @@ const char *Item_Text_Wrap( const char *text, float scale, float width ) static char out[ 8192 ] = ""; char *paint = out; char c[ 3 ] = ""; - const char *p = text; - const char *eol; - const char *q = NULL; - unsigned int testLength; - unsigned int i; + const char *p; + const char *eos; float indentWidth = 0.0f; - float testWidth; - if( strlen( text ) >= sizeof( out ) ) + if( !text ) + return NULL; + + p = text; + eos = p + strlen( p ); + + if( ( eos - p ) >= sizeof( out ) ) return NULL; *paint = '\0'; while( *p ) { - int pLength = strlen( p ); - eol = p; - q = p + 1; - testLength = 0; - testWidth = width - indentWidth; + float textWidth = 0.0f; + const char *eol = p; + const char *q = p; + int count = 0; + float testWidth = width - indentWidth; SkipColorCodes( &q, c ); - while( testLength == 0 || UI_Text_Width( p, scale, testLength ) < testWidth ) + while( q && textWidth < testWidth ) { - int emoticonLen; - qboolean emoticonEscaped; qboolean previousCharIsSpace = qfalse; // Remaining string is too short to wrap - if( testLength >= pLength ) + if( q >= eos ) { - eol = p + pLength; + eol = eos; break; } - // Point q at the end of the current testLength - for( q = p, i = 0; i < testLength; i++ ) - { - SkipColorCodes( &q, c ); - - previousCharIsSpace = isspace( *q ); - q++; - } - - if( UI_Text_IsEmoticon( q, &emoticonEscaped, &emoticonLen, NULL, NULL ) ) - { - testLength += emoticonLen; - continue; - } - - if( testLength > 0 && *q == INDENT_MARKER ) + if( q > p && *q == INDENT_MARKER ) { - indentWidth = UI_Text_Width( p, scale, testLength ); + indentWidth = textWidth; eol = p; } @@ -4389,22 +4388,25 @@ const char *Item_Text_Wrap( const char *text, float scale, float width ) if( !previousCharIsSpace && isspace( *q ) ) eol = q; - testLength++; + textWidth += UI_Char_Width( &q, scale, &count ); } // No split has taken place, so just split mid-word if( eol == p ) eol = q; - paint = out + strlen( out ); + // Note that usage of strcat and strlen is deliberately being + // avoided here as it becomes surprisingly expensive on larger + // blocks of text // Copy text strncpy( paint, p, eol - p ); + paint += ( eol - p ); + *paint = '\0'; - paint[ eol - p ] = '\0'; p = eol; - if( out[ strlen( out ) - 1 ] == '\n' ) + if( paint - out > 0 && *( paint - 1 ) == '\n' ) { // The line is deliberately broken, clear the color and // any current indent @@ -4414,20 +4416,31 @@ const char *Item_Text_Wrap( const char *text, float scale, float width ) else { // Add a \n if it's not there already - Q_strcat( out, sizeof( out ), "\n" ); + *paint++ = '\n'; + *paint = '\0'; // Insert a pixel indent on the next line if( indentWidth > 0.0f ) - Q_strcat( out, sizeof( out ), va( "%f%c", indentWidth, INDENT_MARKER ) ); + { + char *indentMarkerText = va( "%f%c", indentWidth, INDENT_MARKER ); + int indentMarkerTextLength = strlen( indentMarkerText ); + + strncpy( paint, indentMarkerText, indentMarkerTextLength ); + paint += indentMarkerTextLength; + *paint = '\0'; + } // Skip leading whitespace on next line and save the // last color code SkipWhiteSpace( &p, c ); } - Q_strcat( out, sizeof( out ), c ); - - paint = out + strlen( out ); + if( c[ 0 ] ) + { + *paint++ = c[ 0 ]; + *paint++ = c[ 1 ]; + *paint = '\0'; + } } return out; |