Diffstat (limited to 'noncore/apps/opie-reader/CDrawBuffer.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/apps/opie-reader/CDrawBuffer.cpp | 281 |
1 files changed, 226 insertions, 55 deletions
diff --git a/noncore/apps/opie-reader/CDrawBuffer.cpp b/noncore/apps/opie-reader/CDrawBuffer.cpp index ca220e6..77b76fb 100644 --- a/noncore/apps/opie-reader/CDrawBuffer.cpp +++ b/noncore/apps/opie-reader/CDrawBuffer.cpp @@ -1,17 +1,19 @@ #include "CDrawBuffer.h" #include "FontControl.h" #include <qfontmetrics.h> #include <qpainter.h> #include <qpixmap.h> +#include <qimage.h> +#include "useqpe.h" #include "opie.h" CDrawBuffer::~CDrawBuffer() { while (!segs.isEmpty()) segs.erase(0); } void CDrawBuffer::setright(CDrawBuffer& rhs, int f) { int i; len = rhs.len; fc = rhs.fc; @@ -33,62 +35,64 @@ void CDrawBuffer::setright(CDrawBuffer& rhs, int f) 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; } CDrawBuffer& CDrawBuffer::operator=(CDrawBuffer& rhs) { int i; -// qDebug("Trying 2"); +// //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; m_lineExtraSpacing = rhs.m_lineExtraSpacing; 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"); +// //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() { + m_bSop = false; + m_bEop = false; 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 = m_lineExtraSpacing = 0; m_bEof = false; } void CDrawBuffer::addch(tchar ch, CStyle _style/* = ucFontBase*/) @@ -102,278 +106,445 @@ void CDrawBuffer::addch(tchar ch, CStyle _style/* = ucFontBase*/) { 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 CDrawBuffer::width(int numchars, bool onscreen, int scwidth, unsigned char _border) { + int gzoom = fc->gzoom(); int currentx = 0, end = 0; - QString text = toQString(data()); + QString text = (numchars < 0) ? toQString(data()) : toQString(data(), numchars); CList<textsegment>::iterator textstart = segs.begin(); + int extraspace = 0; + bool just = (onscreen && !m_bEop && textstart->style.getJustify() == m_AlignJustify); + int spaces = 0; + int spacesofar = 0; + int spacenumber = 0; + int nonspace = 0; + if (just) + { + for (int i = 0; i < len; i++) + { + if ((*this)[i] != ' ') + { + nonspace = i; + break; + } + } +#ifdef _WINDOWS + for (i = nonspace; i < len; i++) +#else + for (int i = nonspace; i < len; i++) +#endif + { + if ((*this)[i] == ' ') + { + spaces++; + } + } + if (spaces == 0) + { + just = false; + } + else + { + extraspace = (scwidth - 2*_border - rightMargin() - leftMargin() - width()); + if (extraspace == 0) just = false; + } + } CList<textsegment>::iterator textend = textstart; do { textend++; - end = (textend != segs.end()) ? textend->start : length(); + end = (textend != segs.end()) ? textend->start : len; if (numchars >= 0 && end > numchars) { end = numchars; } CStyle currentstyle = textstart->style; if (currentstyle.isPicture()) { - currentx += currentstyle.getPicture()->width(); + if (currentstyle.canScale()) + { + currentx += (gzoom*currentstyle.getPicture()->width())/100; + } + else + { + currentx += currentstyle.getPicture()->width(); + } } else { if (currentstyle.isMono() && !fc->hasCourier()) { int cw = (7*fc->getsize(currentstyle))/10; currentx += cw*(end-textstart->start); } else { - QFont f(currentstyle.isMono() ? QString("courier") : fc->name(), fc->getsize(currentstyle), (currentstyle.isBold()) ? QFont::Bold : QFont::Normal, (currentstyle.isItalic()) ); + QFont f(currentstyle.isMono() ? QString(fc->fixedfontname()) : fc->name(), fc->getsize(currentstyle), (currentstyle.isBold()) ? QFont::Bold : QFont::Normal, (currentstyle.isItalic()) ); // f.setUnderline(currentstyle.isUnderline()); QString str = text.mid(textstart->start, end-textstart->start); QFontMetrics fm(f); - currentx += fm.width(str); + if (just) + { + int lastspace = -1; + int nsp = 0; + int cx = currentx; + while ((nsp = str.find(" ", lastspace+1)) >= 0) + { + if (nsp > nonspace) + { + spacenumber++; + int nexttoadd = (extraspace*spacenumber+spaces/2)/spaces - spacesofar; + QString nstr = str.mid(lastspace+1, nsp-lastspace); + int lw = fm.width(nstr); + cx += lw+nexttoadd; + spacesofar += nexttoadd; + lastspace = nsp; + } + else + { + QString nstr = str.mid(lastspace+1, nsp-lastspace); +// qDebug("str:%s: last:%d new:%d nstr:%s:", (const char*)str, lastspace, nsp, (const char*)nstr); + int lw = fm.width(nstr); + cx += lw; + lastspace = nsp; + } + } + QString nstr = str.right(str.length()-1-lastspace); + cx += fm.width(nstr); + currentx = cx; + } + else + { + currentx += fm.width(str); + } } } textstart = textend; } - while (textend != segs.end() && end != numchars); + while (textend != segs.end() && end != numchars && textstart->start < len); return currentx; } int CDrawBuffer::leftMargin() { - return (segs.begin()->style.getLeftMargin()*fc->getsize(segs.begin()->style))/6; + return (segs.begin()->style.getLeftMargin()*fc->getsize(segs.begin()->style)+3)/6; } int CDrawBuffer::rightMargin() { - return (segs.begin()->style.getRightMargin()*fc->getsize(segs.begin()->style))/6; + return (segs.begin()->style.getRightMargin()*fc->getsize(segs.begin()->style)+3)/6; } -int CDrawBuffer::offset(int scwidth) +int CDrawBuffer::offset(int scwidth, unsigned char _border) { - int currentx = BORDER; + int currentx = _border; switch(segs.begin()->style.getJustify()) { case m_AlignRight: { - currentx = scwidth - BORDER - rightMargin() - width(); + currentx = scwidth - _border - rightMargin() - width(); } break; case m_AlignCentre: { currentx = ( scwidth + leftMargin() - rightMargin() - width())/2; } break; case m_AlignJustify: case m_AlignLeft: - currentx = BORDER + leftMargin(); + currentx = _border + leftMargin(); break; } return currentx; } -void CDrawBuffer::render(QPainter* _p, int _y, bool _bMono, int _charWidth, int scwidth) +void CDrawBuffer::render(QPainter* _p, int _y, bool _bMono, int _charWidth, int scwidth, unsigned char _border) { - int currentx = offset(scwidth); + int gzoom = fc->gzoom(); + int currentx = offset(scwidth, _border); QString text = toQString(data()); CList<textsegment>::iterator textstart = segs.begin(); -/* - StyleType align = textstart->style.getJustify(); - switch (align) + int extraspace = 0; + bool just = (!m_bEop && textstart->style.getJustify() == m_AlignJustify); + int spaces = 0; + int spacesofar = 0; + int spacenumber = 0; + int nonspace = 0; + if (just) { - case CStyle::m_AlignRight: + for (int i = 0; i < len; i++) { - currentx = scwidth - width() - 2*BORDER; + if ((*this)[i] != ' ') + { + nonspace = i; + break; + } } - break; - case CStyle::m_AlignCentre: +#ifdef _WINDOWS + for (i = nonspace; i < len; i++) +#else + for (int i = nonspace; i < len; i++) +#endif { - currentx = (scwidth - width())/2 - BORDER; + if ((*this)[i] == ' ') + { + spaces++; + } + } + if (spaces == 0) + { + just = false; + } + else + { + extraspace = (scwidth - 2*_border - rightMargin() - leftMargin() - width()); + if (extraspace == 0) just = false; } - 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(); + int end = (textend != segs.end()) ? textend->start : len; CStyle currentstyle = textstart->style; - QFont f((currentstyle.isMono() && fc->hasCourier()) ? QString("courier") : fc->name(), fc->getsize(currentstyle), (currentstyle.isBold()) ? QFont::Bold : QFont::Normal, (currentstyle.isItalic()) ); + QFont f((currentstyle.isMono() && fc->hasCourier()) ? fc->fixedfontname() : fc->name(), fc->getsize(currentstyle), (currentstyle.isBold()) ? QFont::Bold : QFont::Normal, (currentstyle.isItalic()) ); // f.setUnderline(currentstyle.isUnderline()); // if (currentstyle.isUnderline()) qDebug("UNDERLINE"); _p->setFont(f); QString str = text.mid(textstart->start, end-textstart->start); -#ifdef OPIE +#if defined(OPIE) || !defined(USEQPE) _p->setPen(QPen(QColor(currentstyle.Red(), currentstyle.Green(), currentstyle.Blue()), fc->getsize(currentstyle)/100)); #else _p->setPen(QPen(QColor(currentstyle.Red(), currentstyle.Green(), currentstyle.Blue()), fc->getsize(currentstyle)/10)); #endif + int voffset = currentstyle.getVOffset()*fc->getsize(currentstyle)/2; if (_bMono) { if (currentstyle.isUnderline()) { - _p->drawLine( currentx, _y, currentx + str.length()*_charWidth, _y); + _p->drawLine( currentx, _y+voffset, currentx + str.length()*_charWidth, _y+voffset); } if (currentstyle.isStrikethru()) { int ascent = fc->ascent(currentstyle)/3; - _p->drawLine( currentx, _y-ascent, currentx + str.length()*_charWidth, _y-ascent); + _p->drawLine( currentx, _y-ascent+voffset, currentx + str.length()*_charWidth, _y-ascent+voffset); } for (int i = 0; i < str.length(); i++) { - _p->drawText( currentx + i*_charWidth, _y, QString(str[i])); + _p->drawText( currentx + i*_charWidth, _y+voffset, QString(str[i])); } currentx += str.length()*_charWidth; } else { if (currentstyle.isPicture()) { + int ht = (gzoom*currentstyle.getPicture()->height())/100; + int wt = (gzoom*currentstyle.getPicture()->width())/100; int ascent = fc->ascent(currentstyle)/2; - int yoffset = currentstyle.getPicture()->height()/2 + ascent; - _p->drawPixmap( currentx, _y-yoffset, *(currentstyle.getPicture())); - currentx += currentstyle.getPicture()->width(); + int yoffset = ht/2 + ascent; + + QPixmap pc; + if (gzoom != 100 && currentstyle.canScale()) + { + QImage im = currentstyle.getPicture()->smoothScale(wt,ht); + pc.convertFromImage(im); + } + else + { + pc.convertFromImage(*currentstyle.getPicture()); + } + _p->drawPixmap( currentx, _y-yoffset, pc ); + currentx += wt; } else { if (currentstyle.isMono() && !fc->hasCourier()) { int cw = (7*fc->getsize(currentstyle))/10; int w = cw*(end-textstart->start); if (currentstyle.isUnderline()) { - _p->drawLine( currentx, _y, currentx + w, _y); + _p->drawLine( currentx, _y+voffset, currentx + w, _y+voffset); } if (currentstyle.isStrikethru()) { int ascent = fc->ascent(currentstyle)/3; - _p->drawLine( currentx, _y-ascent, currentx + w, _y-ascent); + _p->drawLine( currentx, _y-ascent+voffset, currentx + w, _y-ascent+voffset); } QString str = text.mid(textstart->start, end-textstart->start); - for (int i = 0; i < str.length(); i++) + for (unsigned int i = 0; i < str.length(); i++) { - _p->drawText( currentx, _y, QString(str[i])); +#ifdef _WINDOWS + _p->drawText( currentx, _y+voffset, QString(str.at(i))); +#else + _p->drawText( currentx, _y+voffset, QString(str[i])); +#endif currentx += cw; } } else { QFontMetrics fm(f); - int w = fm.width(str); + int w; + if (just) + { + int lastspace = -1; + int nsp = 0; + int cx = currentx; + while ((nsp = str.find(" ", lastspace+1)) >= 0) + { + if (nsp+textstart->start >= nonspace) + { + spacenumber++; + int nexttoadd = (extraspace*spacenumber+spaces/2)/spaces - spacesofar; + QString nstr = str.mid(lastspace+1, nsp-lastspace); +// qDebug("str:%s: last:%d new:%d nstr:%s:", (const char*)str, lastspace, nsp, (const char*)nstr); + int lw = fm.width(nstr); + _p->drawText( cx, _y+voffset, nstr); + cx += lw+nexttoadd; + spacesofar += nexttoadd; + lastspace = nsp; + } + else + { + QString nstr = str.mid(lastspace+1, nsp-lastspace); +// qDebug("str:%s: last:%d new:%d nstr:%s:", (const char*)str, lastspace, nsp, (const char*)nstr); + int lw = fm.width(nstr); + _p->drawText( cx, _y+voffset, nstr); + cx += lw; + lastspace = nsp; + } + } + QString nstr = str.right(str.length()-1-lastspace); + _p->drawText( cx, _y+voffset, nstr); + cx += fm.width(nstr); + w = cx - currentx; + } + else + { + _p->drawText( currentx, _y+voffset, str); + w = fm.width(str); + } if (currentstyle.isUnderline()) { - _p->drawLine( currentx, _y, currentx + w, _y); + _p->drawLine( currentx, _y+voffset, currentx + w, _y+voffset); } if (currentstyle.isStrikethru()) { int ascent = fc->ascent(currentstyle)/3; - _p->drawLine( currentx, _y-ascent, currentx + w, _y-ascent); + _p->drawLine( currentx, _y-ascent+voffset, currentx + w, _y-ascent+voffset); } - _p->drawText( currentx, _y, str); currentx += w; } } } textstart = textend; } - while (textend != segs.end() && textstart->start < length()-1); + while (textend != segs.end() && textstart->start < len); } CStyle CDrawBuffer::laststyle() { return segs.last().style; } linkType CDrawBuffer::getLinkType(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(); + end = (textend != segs.end()) ? textend->start : len; currentstyle = textstart->style; /* if (currentstyle.isPicture()) qDebug("Passed thru picture"); if (currentstyle.getLink()) qDebug("Passed thru link"); - qDebug("islink:%d - %d", numchars, end); + //qDebug("islink:%d - %d", numchars, end); */ textstart = textend; } while (textend != segs.end() && end <= numchars); // if (currentstyle.isPicture()) qDebug("Clicked on picture"); if (currentstyle.getPictureLink()) { tgt = currentstyle.getPictureLinkData(); return ePicture; } if (currentstyle.getLink()) { tgt = currentstyle.getData(); return eLink; } return eNone; } void CDrawBuffer::resize() { - int i; + int gzoom = fc->gzoom(); m_maxstyle = m_ascent = m_descent = m_lineSpacing = m_lineExtraSpacing = 0; - for (CList<textsegment>::iterator iter = segs.begin(); iter != segs.end() && iter->start <= length(); ) + for (CList<textsegment>::iterator iter = segs.begin(); iter != segs.end() && iter->start <= len; ) { CList<textsegment>::iterator next = iter; iter++; int st = next->start; if (st < 0) st = 0; CStyle _style = next->style; int linespacing, ascent, descent, extra; ascent = fc->ascent(_style); descent = fc->descent(_style); linespacing = fc->lineSpacing(_style); extra = linespacing - ascent - descent; - if (_style.isPicture()) + if (_style.isPicture() && _style.canScale()) { - descent = (_style.getPicture()->height()-ascent)/2; - ascent = (_style.getPicture()->height()+ascent)/2; + descent = ((gzoom*_style.getPicture()->height())/100-ascent)/2; + ascent = ((gzoom*_style.getPicture()->height())/100+ascent)/2; } /* else if (fc != NULL) { ascent = fc->ascent(_style); descent = fc->descent(_style); linespacing = fc->lineSpacing(_style); extra = linespacing - ascent - descent; } */ if (ascent > m_ascent) m_ascent = ascent; if (descent > m_descent) m_descent = descent; if (extra > m_lineExtraSpacing) m_lineExtraSpacing = extra; m_lineSpacing = m_ascent+m_descent+m_lineExtraSpacing; } + int lead = fc->getlead(); + if (lead != 0) + { + int xt = (lead*m_lineSpacing+5)/10; + m_descent += xt; + m_lineSpacing += xt; + } + if (m_bSop) + { + int xt = ((segs.begin()->style.getExtraSpace()+fc->getextraspace())*fc->getsize(segs.begin()->style)+5)/10; +// qDebug("ExtraSpace:%d", xt); + m_ascent += xt; + m_lineSpacing += xt; + } } |