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Diffstat (limited to 'plugins/stats/ChartDrawer.cc')
| -rw-r--r-- | plugins/stats/ChartDrawer.cc | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/plugins/stats/ChartDrawer.cc b/plugins/stats/ChartDrawer.cc new file mode 100644 index 0000000..75142e6 --- /dev/null +++ b/plugins/stats/ChartDrawer.cc @@ -0,0 +1,473 @@ +/*************************************************************************** + * Copyright © 2007 by Krzysztof Kundzicz * + * athantor@gmail.com * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#include "ChartDrawer.h" + +#ifdef USE_SOLARIS +#include <ieeefp.h> +int isinf(double x) { return !finite(x) && x==x; } +#endif + + +namespace kt { + +ChartDrawer::ChartDrawer(QWidget *p, wgtsize_t x_max, wgtsize_t y_max, bool autom, const QString & uname) : QWidget(p), mXMax(x_max), mYMax(y_max), mAutoMax(autom), + mUnitName(uname), mMMode(MaxModeExact) +{ + setBackgroundColor("white"); +} + +ChartDrawer::~ChartDrawer() +{ + QToolTip::remove(this); +} + +ChartDrawer::wgtsize_t ChartDrawer::GetXMax() const +{ + return mXMax; +} + +ChartDrawer::wgtsize_t ChartDrawer::GetYMax() const +{ + return mYMax; +} + +void ChartDrawer::SetXMax(const wgtsize_t x) +{ + mXMax = x; + + for(size_t i = 0; i < mEls.size(); i++) + { + mEls[i].pmVals -> resize(x, 0.0); + } +} + +void ChartDrawer::SetYMax(const wgtsize_t y) +{ + mYMax = y; +} + +inline ChartDrawer::wgtsize_t ChartDrawer::GetYScale() const +{ + return height() / 8; +} + + +inline ChartDrawer::wgtunit_t ChartDrawer::TrY(const ChartDrawer::wgtunit_t y) const +{ + return height() - y; +} + +void ChartDrawer::paintEvent ( QPaintEvent *) +{ + QPainter pnt( this ); + + DrawScale(pnt); + DrawFrame(pnt); + DrawChart(pnt); + +} + +inline ChartDrawer::wgtunit_t ChartDrawer::height() const +{ + return QWidget::height() - 15; +} + +inline ChartDrawer::wgtunit_t ChartDrawer::width() const +{ + return QWidget::width() - 65; +} + +void ChartDrawer::DrawFrame(QPainter & rPnt ) +{ + QPen op = rPnt.pen(); + rPnt.setPen(QPen("#000", 3)); + + rPnt.drawLine(0, TrY(0), width()+3, TrY(0)); + rPnt.drawLine(width()+1, TrY(0), width()+1, TrY(QWidget::height())); + + QFont oldf(rPnt.font()); + QFont newf(oldf); + newf.setWeight(QFont::Bold); + newf.setPointSize(10); + newf.setUnderline(1); + + rPnt.setFont(newf); + rPnt.drawText(width() + 30, TrY(-7), mUnitName); + rPnt.setFont(oldf); + + rPnt.setPen(op); +} + +void ChartDrawer::DrawScale(QPainter & rPnt ) +{ + + if(!mYMax) + { + return; + } + + QPen op = rPnt.pen(); + QPen ep("#eee", 1, Qt::DashLine); + QPen lp("#666", 2, Qt::DotLine); + QPen tp("#000"); + + rPnt.setPen(ep); + + for(wgtsize_t i = 1; i < width(); i += 10) + { + rPnt.drawLine(i, TrY(0), i, TrY(height())); + } + + for(wgtsize_t i = 0; i < height(); i += 10) + { + rPnt.drawLine(0, TrY(i), width(), TrY(i)); + } + + rPnt.setPen(lp); + rPnt.drawLine(0, TrY(height() - 10), width(), TrY(height() - 10)); + rPnt.setPen(tp); + rPnt.drawText(width() + 4, TrY(height() - 10) + 4, QString::number (mYMax)); + + for(wgtsize_t i = 0; i < height() - 15 ; i += GetYScale()) + { + rPnt.setPen(lp); + rPnt.drawLine(0, TrY(i), width(), TrY(i)); + rPnt.setPen(tp); + rPnt.drawText(width() + 4, TrY(i) + 4, QString::number ( (mYMax / 8.0 ) * ( i / static_cast<double>(GetYScale() )), 'f', 1 ) ); + } + + rPnt.setPen(op); +} + +void ChartDrawer::DrawChart(QPainter & rPnt) +{ + + QPen op = rPnt.pen(); + + uint32_t skip_max = 0; + + for(size_t i = 0; i < mEls.size(); i++) + { + rPnt.setPen( *mEls[i].GetPen() ); + + for(size_t j = 1; j < mEls[i].pmVals -> size() - 1; j++) + { + rPnt.drawLine( + FindXScreenCoords(j-1), + TrY(FindYScreenCoords(mEls[i].pmVals -> at(j-1))), + FindXScreenCoords(j), + TrY(FindYScreenCoords(mEls[i].pmVals -> at(j))) + ); + } +// + rPnt.drawLine( + FindXScreenCoords(mEls[i].pmVals -> size() - 2), + TrY(FindYScreenCoords(mEls[i].pmVals -> at(mEls[i].pmVals -> size() - 2))), + width(), + TrY(FindYScreenCoords(mEls[i].pmVals -> at(mEls[i].pmVals -> size() - 1))) + ); + + // -------------------- + // Line on top + // ------------ + QPen myop(rPnt.pen()); + QPen topl(myop); + topl.setStyle(Qt::DotLine); + rPnt.setPen(topl); + rPnt.drawLine(0, TrY(FindYScreenCoords(mEls[i].pmVals -> at(mEls[i].pmVals -> size() - 1))), width(), TrY(FindYScreenCoords(mEls[i].pmVals -> at(mEls[i].pmVals -> size() - 1))) ); + rPnt.setPen(myop); + + QFont oldf(rPnt.font()); + QFont newf(oldf); + newf.setWeight(QFont::Bold); + newf.setPointSize(8); + + rPnt.setFont(newf); + rPnt.drawText(5 + (i * 50), TrY(FindYScreenCoords(mEls[i].pmVals -> at(mEls[i].pmVals -> size() - 1))) + 11, QString::number (mEls[i].pmVals -> at(mEls[i].pmVals -> size() - 1), 'f', 2 ) ); + + + //------------------ + // max + //------------------ + + if(mMarkMax[i]) + { + rPnt.setPen(topl); + std::pair<double, size_t> max = mEls[i] . Max(); + + rPnt.drawLine( + FindXScreenCoords(max.second), TrY(0), FindXScreenCoords(max.second), TrY(height()) + ); + + rPnt.setPen(myop); + + rPnt.setFont(newf); + QString maxv(QString::number (max.first, 'f', 2)); + + if(FindXScreenCoords(max.second) < 35) + { + rPnt.drawText(FindXScreenCoords(max.second) + 5, TrY(height() - (10 * (i - skip_max)) ) + 10, maxv ) ; + } else { + rPnt.drawText(FindXScreenCoords(max.second) - 35 , TrY(height() - (10 * (i - skip_max)) ) + 10, maxv ) ; + } + } else { + skip_max++; + } + + rPnt.setFont(oldf); + rPnt.setPen(op); + } + + rPnt.setPen(op); +} + +inline ChartDrawer::wgtunit_t ChartDrawer::FindXScreenCoords(const double x) const +{ + return static_cast<wgtunit_t>((width() / static_cast<double>(mXMax)) * x) ; +} + +inline ChartDrawer::wgtunit_t ChartDrawer::FindYScreenCoords(const double y) const +{ + return static_cast<wgtunit_t>(((height()) / static_cast<double>(mYMax)) * y) ; +} + +void ChartDrawer::EnableAutoMax(bool a) +{ + mAutoMax = a; +} + +void ChartDrawer::AddValue(const size_t idx, const double val, bool u ) +{ + + if( idx >= mEls.size() ) + { + return; + } + + ChartDrawerData::val_t::iterator it = mEls[idx].pmVals -> begin(); + + while(it != mEls[idx] .pmVals -> end() ) + { + *it = *(it + 1); + it++; + } + +#ifdef USE_SOLARIS + if(isnand(val) || (isinf(val))) +#else + if(std::isnan(val) || (std::isinf(val))) +#endif + { + *(mEls[idx].pmVals -> end() -1) = 0.0; + } else { + *(mEls[idx].pmVals -> end() -1) = val; + } + + if(mAutoMax) + { + if( (mMMode == MaxModeTop) && (val > mYMax) ) + { + mYMax = static_cast<wgtsize_t>(val) + 3; + + } else if(mMMode == MaxModeExact) { + FindSetMax(); + } + } + + if(u) + { + update(); + } + +} + +void ChartDrawer::AddValues(ChartDrawerData Cdd, const bool max) +{ + if(Cdd.pmVals -> size() != mXMax) + { + Cdd.pmVals -> resize(mXMax, 0.0); + } + + mEls.push_back(Cdd); + mMarkMax.push_back(max); + + MakeLegendTooltip(); +} + +void ChartDrawer::AddValues(ChartDrawerData Cdd, const size_t idx, const bool max) +{ + if(Cdd.pmVals -> size() != mXMax) + { + Cdd.pmVals -> resize(mXMax, 0.0); + } + + if(idx >= mEls.size()) + { + mEls.push_back(Cdd); + } else { + mEls.insert(mEls.begin() + idx, Cdd); + } + + if(idx >= mMarkMax.size()) + { + mMarkMax.push_back(max); + } else { + mMarkMax.insert(mMarkMax.begin() + idx, max); + } + + MakeLegendTooltip(); +} + +void ChartDrawer::AddValuesCnt(const QString & rN, const bool max) +{ + mEls.push_back(ChartDrawerData(mXMax, rN)); + mMarkMax.push_back(max); + + MakeLegendTooltip(); +} + +void ChartDrawer::AddValuesCnt(const QPen & rP, const QString & rN, const bool max) +{ + mEls.push_back(ChartDrawerData(rP, mXMax, rN)); + mMarkMax.push_back(max); + + MakeLegendTooltip(); +} + +void ChartDrawer::SetUnitName(const QString & rN) +{ + mUnitName = rN; +} + +QString ChartDrawer::GetUnitName() const +{ + return mUnitName; +} + +void ChartDrawer::mouseDoubleClickEvent ( QMouseEvent * evt ) +{ + FindSetMax(); + + emit DoubleClicked(evt); +} + +void ChartDrawer::EnableMaxDrawAt(const size_t at, const bool e) +{ + if(at >= mMarkMax.size()) + { + return; + } + + mMarkMax[at] = e; +} + +void ChartDrawer::RemoveValuesCnt(const size_t idx) +{ + if(idx >= mEls.size()) + { + return; + } + + mEls.erase(mEls.begin() + idx); + + if(idx <= mMarkMax.size()) + { + mMarkMax.erase(mMarkMax.begin() + idx); + } + + MakeLegendTooltip(); + +} + +void ChartDrawer::Zero(const size_t idx) +{ + if(idx >= mEls.size()) + { + return; + } + + std::fill(mEls[idx].pmVals -> begin(), mEls[idx].pmVals -> end(), 0.0); + + if(mAutoMax) + { + mYMax = 1; + } +} + +void ChartDrawer::MakeLegendTooltip() +{ + QToolTip::remove(this); + + QString helpstr(QString("<b>%1:</b><br><br>").arg(i18n("Legend"))); + QMimeSourceFactory* factory = QMimeSourceFactory::defaultFactory(); + std::vector<QImage> img; + + for(size_t i = 0; i < mEls.size(); i++) + { + img.push_back(QImage(16,16, 32)); + img[i].fill(mEls[i].GetPen() -> color().pixel()); + + for(uint8_t px = 0; px < 16; px++) + { + img[i].setPixel(px, 0, 0); //t + img[i].setPixel(0, px, 0); //l + img[i].setPixel(px, 15, 0); //b + img[i].setPixel(15, px, 0); //r + } + + factory->setImage(mEls[i].GetName().replace(' ', '_') + "-" + QString::number(i), img[i]); + helpstr += QString("<img src='%1'> - %2<br>").arg(mEls[i].GetName().replace(" ", "_") + "-" + QString::number(i)).arg( mEls[i].GetName() ); + } + + QToolTip::add(this, helpstr); +} + +void ChartDrawer::FindSetMax() +{ + wgtsize_t mymax = 1; + + for(val_t::const_iterator it = mEls.begin(); it != mEls.end(); ++it) + { + for(ChartDrawerData::val_t::const_iterator subit = it -> pmVals -> begin(); subit != it -> pmVals -> end(); ++subit) + { + if ( (*subit) > mymax ) + { + mymax = static_cast<wgtsize_t>(*subit) + 3; + } + } + } + + mYMax = mymax; +} + +void ChartDrawer::SetMaxMode(const MaxMode mm) +{ + mMMode = mm; +} + +ChartDrawer::MaxMode ChartDrawer::GetMaxMode() const +{ + return mMMode; +} + +} //NS end + +#include "ChartDrawer.moc" |