void TextLayout::_RenderRaw(float maxWidth) const
{
TextureFont *font = Gui::Screen::GetFont();
float py = 0;
init_clip_test();
glPushMatrix();
const float spaceWidth = font->GetGlyph(' ').advx;
std::list<word_t>::const_iterator wpos = this->words.begin();
// build lines of text
while (wpos != this->words.end()) {
float len = 0;
int num = 0;
std::list<word_t>::const_iterator i = wpos;
len += (*i).advx;
num++;
bool overflow = false;
bool explicit_newline = false;
if ((*i).word != 0) {
++i;
for (; i != this->words.end(); ++i) {
if ((*i).word == 0) {
// newline
explicit_newline = true;
num++;
break;
}
if (len + spaceWidth + (*i).advx > maxWidth) { overflow = true; break; }
len += (*i).advx + spaceWidth;
num++;
}
}
float _spaceWidth;
if ((m_justify) && (num>1) && overflow) {
float spaceleft = maxWidth - len;
_spaceWidth = spaceWidth + (spaceleft/float(num-1));
} else {
_spaceWidth = spaceWidth;
}
if (line_clip_test(py, py+font->GetHeight()*2.0)) {
float px = 0;
for (int j=0; j<num; j++) {
if ((*wpos).word) font->RenderMarkup((*wpos).word, round(px), round(py));
px += (*wpos).advx + _spaceWidth;
wpos++;
}
} else {
for (int j=0; j<num; j++) wpos++;
}
py += font->GetHeight() * (explicit_newline ? PARAGRAPH_SPACING : LINE_SPACING);
}
glPopMatrix();
}
void TextLayout::_MeasureSizeRaw(const float layoutWidth, float outSize[2]) const
{
TextureFont *font = Gui::Screen::GetFont();
outSize[0] = 0;
outSize[1] = 0;
const float spaceWidth = font->GetGlyph(' ').advx;
// build lines of text
for (std::list<word_t>::const_iterator wpos = words.begin(); wpos != words.end(); ) {
float len = 0;
int num = 0;
bool explicit_newline = false;
std::list<word_t>::const_iterator i = wpos;
len += (*i).advx;
num++;
bool overflow = false;
if ((*i).word != 0) {
++i;
for (; i != words.end(); ++i) {
if ((*i).word == 0) {
// newline
explicit_newline = true;
num++;
break;
}
if (len + spaceWidth + (*i).advx > layoutWidth) { overflow = true; break; }
len += (*i).advx + spaceWidth;
num++;
}
}
float _spaceWidth;
if ((m_justify) && (num>1) && overflow) {
float spaceleft = layoutWidth - len;
_spaceWidth = spaceWidth + (spaceleft/float(num-1));
} else {
_spaceWidth = spaceWidth;
}
float lineLen = 0;
for (int j=0; j<num; j++) {
word_t word = (*wpos);
lineLen += word.advx;
if (j < num-1) lineLen += _spaceWidth;
wpos++;
}
if (lineLen > outSize[0]) outSize[0] = lineLen;
outSize[1] += font->GetHeight() * (explicit_newline ? PARAGRAPH_SPACING : LINE_SPACING);
}
if (outSize[1]) outSize[1] += font->GetDescender();
}