Function GetTextLength

LibLemon/src/gfx/text.cpp:213–249

    }

    int GetTextLength(const char* str, size_t n, Font* font){
        if(fontState != 1 && fontState != -1) InitializeFonts();
        if(fontState == -1){
            return strlen(str) * 8;
        }

        size_t len = 0;
        size_t i = 0;
        while (*str && i++ < n) {
            if(*str == '\n'){
                break;
            } else if (*str == ' ') {
                len += font->width;
                str++;
                continue;
            }  else if (*str == '\t') {
                len += font->tabWidth * font->width;
                str++;
                continue;
            } else if (!isprint(*str)) {
                str++;
                continue;
            }

            if(int err = FT_Load_Char(font->face, *str, FT_LOAD_ADVANCE_ONLY)) {
                printf("Freetype Error (%d)\n", err);
                throw new FontException(FontException::FontRenderError, err);
                fontState = 0;
                return 0;
            }

            len += font->face->glyph->advance.x >> 6;
            str++;
        }

        return len;
    }

    int GetTextLength(const char* str, Font* font){
        return GetTextLength(str, strlen(str), font);