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#include "CDrawBuffer.h"
#include "FontControl.h"
#include <qfontmetrics.h>
#include <qpainter.h>
void CDrawBuffer::setright(CDrawBuffer& rhs, int f)
{
int i;
// qDebug("Trying 1:%d:%s", f, (const char*)toQString(rhs.data()));
len = rhs.len;
m_maxstyle = rhs.m_maxstyle;
m_ascent = rhs.m_ascent;
m_descent = rhs.m_descent;
m_lineSpacing = rhs.m_lineSpacing;
while (!segs.isEmpty()) segs.erase(0);
for (CList<textsegment>::iterator iter = rhs.segs.begin(); iter != rhs.segs.end(); )
{
CList<textsegment>::iterator next = iter;
iter++;
if (iter == rhs.segs.end() || iter->start > f)
{
int st = next->start-f;
if (st < 0) st = 0;
segs.push_back(textsegment(st,next->style));
}
}
for (i = f; rhs[i] != '\0'; i++) (*this)[i-f] = rhs[i];
(*this)[i-f] = '\0';
len = i;
// qDebug("Tried 1");
}
CDrawBuffer& CDrawBuffer::operator=(CDrawBuffer& rhs)
{
int i;
// qDebug("Trying 2");
len = rhs.len;
m_maxstyle = rhs.m_maxstyle;
m_ascent = rhs.m_ascent;
m_descent = rhs.m_descent;
m_lineSpacing = rhs.m_lineSpacing;
while (!segs.isEmpty()) segs.erase(0);
for (CList<textsegment>::iterator iter = rhs.segs.begin(); iter != rhs.segs.end(); iter++)
{
segs.push_back(*iter);
}
for (i = 0; rhs[i] != '\0'; i++) (*this)[i] = rhs[i];
(*this)[i] = '\0';
len = i;
// qDebug("Tried 2");
return *this;
}
CDrawBuffer& CDrawBuffer::operator=(const tchar*sztmp)
{
int i;
while (!segs.isEmpty()) segs.erase(0);
segs.push_back(textsegment(0, CStyle()));
for (i = 0; sztmp[i] != '\0'; i++) (*this)[i] = sztmp[i];
(*this)[i] = '\0';
len = i;
return *this;
}
void CDrawBuffer::empty()
{
len = 0;
(*this)[0] = 0;
while (!segs.isEmpty()) segs.erase(0);
segs.push_back(textsegment(0,CStyle()));
m_maxstyle = m_ascent = m_descent = m_lineSpacing = 0;
}
void CDrawBuffer::addch(tchar ch, CStyle _style/* = ucFontBase*/)
{
if (len == 0)
{
int thissize = fc->getsize(_style);
m_maxstyle = thissize;
m_ascent = fc->ascent(_style);
m_descent = fc->descent(_style);
m_lineSpacing = fc->lineSpacing(_style);
segs.first().start = 0;
segs.first().style = _style;
}
else if (_style != segs.last().style)
{
int thissize = fc->getsize(_style);
if (thissize > m_maxstyle)
{
m_maxstyle = thissize;
m_ascent = fc->ascent(_style);
m_descent = fc->descent(_style);
m_lineSpacing = fc->lineSpacing(_style);
}
segs.push_back(textsegment(len, _style));
}
(*this)[len++] = ch;
}
void CDrawBuffer::truncate(int n)
{
len = n;
(*this)[n] = 0;
}
int CDrawBuffer::width(int numchars)
{
int currentx = 0, end = 0;
QString text = toQString(data());
CList<textsegment>::iterator textstart = segs.begin();
CList<textsegment>::iterator textend = textstart;
do
{
textend++;
end = (textend != segs.end()) ? textend->start : length();
if (numchars >= 0 && end > numchars)
{
end = numchars;
}
CStyle currentstyle = textstart->style;
QFont f(fc->name(), fc->getsize(currentstyle), (currentstyle.isBold()) ? QFont::Bold : QFont::Normal, (currentstyle.isItalic()) );
QString str = text.mid(textstart->start, end-textstart->start);
QFontMetrics fm(f);
currentx += fm.width(str);
textstart = textend;
}
while (textend != segs.end() && end != numchars);
return currentx;
}
void CDrawBuffer::render(QPainter* _p, int _y, bool _bMono, int _charWidth, int scwidth)
{
int currentx = 0;
QString text = toQString(data());
CList<textsegment>::iterator textstart = segs.begin();
StyleType align = textstart->style.getJustify();
switch (align)
{
case CStyle::m_AlignRight:
{
// int linelength = width();
currentx = scwidth - width();
}
break;
case CStyle::m_AlignCentre:
{
// int linelength = width();
currentx = (scwidth - width())/2;
}
break;
case CStyle::m_AlignJustify:
case CStyle::m_AlignLeft:
break;
}
CList<textsegment>::iterator textend = textstart;
do
{
textend++;
int end = (textend != segs.end()) ? textend->start : length();
CStyle currentstyle = textstart->style;
QFont f(fc->name(), fc->getsize(currentstyle), (currentstyle.isBold()) ? QFont::Bold : QFont::Normal, (currentstyle.isItalic()) );
_p->setFont(f);
QString str = text.mid(textstart->start, end-textstart->start);
_p->setPen(QColor(currentstyle.Red(), currentstyle.Green(), currentstyle.Blue()));
if (_bMono)
{
for (int i = 0; i < str.length(); i++)
{
_p->drawText( currentx + i*_charWidth, _y, QString(str[i]));
}
currentx += str.length()*_charWidth;
}
else
{
_p->drawText( currentx, _y, str);
QFontMetrics fm(f);
currentx += fm.width(str);
}
textstart = textend;
}
while (textend != segs.end());
}
CStyle CDrawBuffer::laststyle()
{
return segs.last().style;
}
bool CDrawBuffer::isLink(int numchars, size_t& tgt)
{
int end = 0;
CStyle currentstyle;
CList<textsegment>::iterator textstart = segs.begin();
CList<textsegment>::iterator textend = textstart;
do
{
textend++;
end = (textend != segs.end()) ? textend->start : length();
if (numchars >= 0 && end > numchars)
{
end = numchars;
}
currentstyle = textstart->style;
textstart = textend;
}
while (textend != segs.end() && end != numchars);
tgt = currentstyle.getData();
return currentstyle.getLink();
}
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