PGE_Size FontManager::textSize(QString &text, int fontID, int max_line_lenght, bool cut, int ttfFontPixelSize)
{
if(!isInit) return PGE_Size(text.length() * 20, text.split(QChar(QChar::LineFeed)).size() * 20);
if(text.isEmpty()) return PGE_Size(0, 0);
if(max_line_lenght <= 0)
max_line_lenght = 1000;
if(cut)
{
for(int i = 0; i < text.size(); i++)
{
if(text[i] == QChar(QChar::LineFeed))
{
text.remove(i, text.size() - i);
break;
}
}
}
//Use Raster font
if((fontID >= 0) && (fontID < rasterFonts.size()))
{
if(rasterFonts[fontID].isLoaded())
return rasterFonts[fontID].textSize(text, max_line_lenght);
}
//Use TTF font
QFont fnt = font();
if(ttfFontPixelSize > 0)
fnt.setPixelSize(ttfFontPixelSize);
QFontMetrics meter(fnt);
optimizeText(text, max_line_lenght);
QSize meterSize = meter.boundingRect(text).size();
return PGE_Size(meterSize.width(), meterSize.height());
}
PGE_Size RasterFont::textSize(QString &text, int max_line_lenght, bool cut)
{
if(text.isEmpty())
return PGE_Size(0, 0);
int lastspace = 0; //!< index of last found space character
int count = 1; //!< Count of lines
int maxWidth = 0; //!< detected maximal width of message
int widthSumm = 0;
int widthSummMax = 0;
if(cut)
{
for(int i = 0; i < text.size(); i++)
{
if(text[i] == QChar(QChar::LineFeed))
{
text.remove(i, text.size() - i);
break;
}
}
}
/****************Word wrap*********************/
for(int x = 0, i = 0; i < text.size(); i++, x++)
{
switch(text[i].toLatin1())
{
case '\t':
case ' ':
lastspace = i;
widthSumm += space_width + interletter_space / 2;
if(widthSumm > widthSummMax) widthSummMax = widthSumm;
break;
case '\n':
lastspace = 0;
if((maxWidth < x) && (maxWidth < max_line_lenght)) maxWidth = x;
x = 0;
widthSumm = 0;
count++;
break;
default:
RasChar rch = fontMap[text[i]];
if(rch.valid)
{
widthSumm += (letter_width - rch.padding_left - rch.padding_right + interletter_space);
if(widthSumm > widthSummMax) widthSummMax = widthSumm;
}
else
{
widthSumm += (letter_width + interletter_space);
if(widthSumm > widthSummMax) widthSummMax = widthSumm;
}
break;
}
if((max_line_lenght > 0) && (x >= max_line_lenght)) //If lenght more than allowed
{
maxWidth = x;
if(lastspace > 0)
{
text[lastspace] = '\n';
i = lastspace - 1;
lastspace = 0;
}
else
{
text.insert(i, QChar('\n'));
x = 0;
count++;
}
}
}
if(count == 1)
maxWidth = text.length();
/****************Word wrap*end*****************/
return PGE_Size(widthSummMax, newline_offset * count);
}
PGE_Size TtfFont::textSize(std::string &text,
uint32_t max_line_lenght,
bool cut, uint32_t fontSize)
{
SDL_assert_release(g_ft);
if(text.empty())
return PGE_Size(0, 0);
size_t lastspace = 0; //!< index of last found space character
size_t count = 1; //!< Count of lines
uint32_t maxWidth = 0; //!< detected maximal width of message
uint32_t widthSumm = 0;
uint32_t widthSummMax = 0;
if(cut)
{
std::string::size_type i = text.find('\n');
if(i != std::string::npos)
text.erase(i, text.size() - i);
}
/****************Word wrap*********************/
uint32_t x = 0;
for(size_t i = 0; i < text.size(); i++, x++)
{
char &cx = text[i];
UTF8 uch = static_cast<unsigned char>(cx);
switch(cx)
{
case '\r':
break;
case '\t':
{
//Fake tabulation
size_t space = (4 * fontSize);
widthSumm += (space - ((widthSumm / space) % 4));
if(widthSumm > widthSummMax)
widthSummMax = widthSumm;
break;
}
case '\n':
{
lastspace = 0;
if((maxWidth < x) && (maxWidth < max_line_lenght))
maxWidth = x;
x = 0;
widthSumm = 0;
count++;
break;
}
default:
{
if(' ' == cx)
lastspace = x;
TheGlyph &glyph = getGlyph(fontSize, get_utf8_char(&cx));
widthSumm += uint32_t(glyph.advance>>6);
if(widthSumm > widthSummMax)
widthSummMax = widthSumm;
break;
}
}//Switch
if((max_line_lenght > 0) && (x >= max_line_lenght)) //If lenght more than allowed
{
maxWidth = x;
if(lastspace > 0)
{
text[lastspace] = '\n';
i = lastspace - 1;
lastspace = 0;
}
else
{
text.insert(i, 1, '\n');
x = 0;
count++;
}
}
i += static_cast<size_t>(trailingBytesForUTF8[uch]);
}
if(count == 1)
maxWidth = static_cast<uint32_t>(text.length());
/****************Word wrap*end*****************/
return PGE_Size(static_cast<int32_t>(widthSummMax), static_cast<int32_t>((fontSize * 1.5) * count));
}
