C++ QColor函数代码示例

CannonField::CannonField( QWidget *parent, const char *name )
        : QWidget( parent, name )
{
    ang = 45;
    setPalette( QPalette( QColor( 250, 250, 200) ) );
}

QColor Loader::getLineColor(quint32 line)
{
  QSettings settings(settingsFileName(), QSettings::IniFormat);
  QString colorName = settings.value(QString("line_colors/%1").arg(line), QString("gray")).toString();
  return QColor(colorName);
}

void KeyWidget::paintEvent(QPaintEvent*){
    const QColor bgColor(68, 64, 64);
    const QColor keyColor(112, 110, 110);
    const QColor highlightColor(136, 176, 240);
    const QColor highlightAnimColor(136, 200, 240);
    const QColor animColor(112, 200, 110);

    // Determine which keys to highlight
    QBitArray highlight;
    switch(mouseDownMode){
    case SET:
        highlight = newSelection;
        break;
    case ADD:
        highlight = selection | newSelection;
        break;
    case SUBTRACT:
        highlight = selection & ~newSelection;
        break;
    case TOGGLE:
        highlight = selection ^ newSelection;
        break;
    default:
        highlight = selection;
    }

    QPainter painter(this);
#if QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
    int ratio = painter.device()->devicePixelRatio();
#else
    int ratio = 1;
#endif
    float xScale = (float)width() / (keyMap.width() + KEY_SIZE) * ratio;
    float yScale = (float)height() / (keyMap.height() + KEY_SIZE) * ratio;
    // Draw background
    painter.setPen(Qt::NoPen);
    painter.setRenderHint(QPainter::Antialiasing, true);
    painter.setBrush(QBrush(bgColor));
    painter.drawRect(0, 0, width(), height());

    // Draw mouse highlight (if any)
    if(mouseDownMode != NONE && (mouseDownX != mouseCurrentX || mouseDownY != mouseCurrentY)){
        int x1 = (mouseDownX > mouseCurrentX) ? mouseCurrentX : mouseDownX;
        int x2 = (mouseDownX > mouseCurrentX) ? mouseDownX : mouseCurrentX;
        int y1 = (mouseDownY > mouseCurrentY) ? mouseCurrentY : mouseDownY;
        int y2 = (mouseDownY > mouseCurrentY) ? mouseDownY : mouseCurrentY;
        painter.setPen(QPen(highlightColor, 0.5));
        QColor bColor = highlightColor;
        bColor.setAlpha(128);
        painter.setBrush(QBrush(bColor));
        painter.drawRect(x1, y1, x2 - x1, y2 - y1);
    }

    // Draw key backgrounds on a separate pixmap so that a drop shadow can be applied to them.
    int wWidth = width(), wHeight = height();
    KeyMap::Model model = keyMap.model();
    QPixmap keyBG(wWidth * ratio, wHeight * ratio);
    keyBG.fill(QColor(0, 0, 0, 0));
    QPainter bgPainter(&keyBG);
    bgPainter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
    bgPainter.setPen(Qt::NoPen);
    QHashIterator<QString, Key> k(keyMap);
    uint i = -1;
    while(k.hasNext()){
        k.next();
        i++;
        const Key& key = k.value();
        float x = key.x + 6.f - key.width / 2.f + 1.f;
        float y = key.y + 6.f - key.height / 2.f + 1.f;
        float w = key.width - 2.f;
        float h = key.height - 2.f;
        // In RGB mode, ignore keys without LEDs
        if(_rgbMode && !key.hasLed)
            continue;
        // Set color based on key highlight
        if(highlight.testBit(i)){
            if(animation.testBit(i))
                bgPainter.setBrush(QBrush(highlightAnimColor));
            else
                bgPainter.setBrush(QBrush(highlightColor));
        } else if(animation.testBit(i))
            bgPainter.setBrush(QBrush(animColor));
        else
            bgPainter.setBrush(QBrush(keyColor));
        if(!strcmp(key.name, "mr") || !strcmp(key.name, "m1") || !strcmp(key.name, "m2") || !strcmp(key.name, "m3")
                || !strcmp(key.name, "light") || !strcmp(key.name, "lock") || (model == KeyMap::K65 && !strcmp(key.name, "mute"))){
            // Switch keys are circular
            x += w / 8.f;
            y += h / 8.f;
            w *= 0.75f;
            h *= 0.75f;
            bgPainter.drawEllipse(QRectF(x * xScale, y * yScale, w * xScale, h * yScale));
        } else {
            if(!strcmp(key.name, "enter")){
                if(key.height == 24){
                    // ISO enter key isn't rectangular
                    y = key.y + 1.f;
                    h = 10.f;
                    bgPainter.drawRect(QRectF((x + w - 13.f) * xScale, y * yScale, 13.f * xScale, 22.f * yScale));
                } else {
//.........这里部分代码省略.........

void EraserTool::drawStroke()
{
    StrokeTool::drawStroke();
    QList<QPointF> p = m_pStrokeManager->interpolateStroke();

    Layer* layer = mEditor->layers()->currentLayer();

    if ( layer->type() == Layer::BITMAP )
    {
        for ( int i = 0; i < p.size(); i++ )
        {
            p[ i ] = mEditor->view()->mapScreenToCanvas( p[ i ] );
        }

        qreal opacity = 1.0;
        mCurrentWidth = properties.width;
        qreal brushWidth = (mCurrentWidth + (mCurrentPressure * mCurrentWidth)) * 0.5;
        qreal brushStep = (0.5 * brushWidth) - ((properties.feather/100.0) * brushWidth * 0.5);
        brushStep = qMax( 1.0, brushStep );

        BlitRect rect;

        QPointF a = lastBrushPoint;
        QPointF b = getCurrentPoint();

        qreal distance = 4 * QLineF( b, a ).length();
        int steps = qRound( distance ) / brushStep;

        for ( int i = 0; i < steps; i++ )
        {
            QPointF point = lastBrushPoint + ( i + 1 ) * ( brushStep )* ( b - lastBrushPoint ) / distance;
            rect.extend( point.toPoint() );
            mScribbleArea->drawBrush( point,
                                      brushWidth,
                                      properties.feather,
                                      QColor(255, 255, 255, 255),
                                      opacity );

            if ( i == ( steps - 1 ) )
            {
                lastBrushPoint = point;
            }
        }

        int rad = qRound( brushWidth ) / 2 + 2;
        mScribbleArea->refreshBitmap( rect, rad );
    }
    else if ( layer->type() == Layer::VECTOR )
    {
        QPen pen( Qt::white, mCurrentWidth, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin );
        int rad = qRound( ( mCurrentWidth / 2 + 2 ) * mEditor->view()->scaling() );

        if ( p.size() == 4 ) {
            QSizeF size( 2, 2 );
            QPainterPath path( p[ 0 ] );
            path.cubicTo( p[ 1 ],
                          p[ 2 ],
                          p[ 3 ] );
            mScribbleArea->drawPath( path, pen, Qt::NoBrush, QPainter::CompositionMode_Source );
            mScribbleArea->refreshVector( path.boundingRect().toRect(), rad );
        }
    }
}

const Glyph& TextRenderer::getGlyph(char c) {
    Glyph& glyph = _glyphs[c];
    if (glyph.isValid()) {
        return glyph;
    }
    // we use 'J' as a representative size for the solid block character
    QChar ch = (c == SOLID_BLOCK_CHAR) ? QChar('J') : QChar(c);
    QRect bounds = _metrics.boundingRect(ch);
    if (bounds.isEmpty()) {
        glyph = Glyph(0, QPoint(), QRect(), _metrics.width(ch));
        return glyph;
    }
    // grow the bounds to account for effect, if any
    if (_effectType == SHADOW_EFFECT) {
        bounds.adjust(-_effectThickness, 0, 0, _effectThickness);
    
    } else if (_effectType == OUTLINE_EFFECT) {
        bounds.adjust(-_effectThickness, -_effectThickness, _effectThickness, _effectThickness);
    }
    
    // grow the bounds to account for antialiasing
    bounds.adjust(-1, -1, 1, 1);
    
    if (_x + bounds.width() > IMAGE_SIZE) {
        // we can't fit it on the current row; move to next
        _y += _rowHeight;
        _x = _rowHeight = 0;
    }
    if (_y + bounds.height() > IMAGE_SIZE) {
        // can't fit it on current texture; make a new one
        glGenTextures(1, &_currentTextureID);
        _x = _y = _rowHeight = 0;
        
        glBindTexture(GL_TEXTURE_2D, _currentTextureID);
        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, IMAGE_SIZE, IMAGE_SIZE, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
        _allTextureIDs.append(_currentTextureID);
           
    } else {
        glBindTexture(GL_TEXTURE_2D, _currentTextureID);
    }
    // render the glyph into an image and copy it into the texture
    QImage image(bounds.width(), bounds.height(), QImage::Format_ARGB32);
    if (c == SOLID_BLOCK_CHAR) {
        image.fill(QColor(255, 255, 255));
    
    } else {
        image.fill(0);
        QPainter painter(&image);
        painter.setFont(_font);
        if (_effectType == SHADOW_EFFECT) {
            for (int i = 0; i < _effectThickness; i++) {
                painter.drawText(-bounds.x() - 1 - i, -bounds.y() + 1 + i, ch);
            }
        } else if (_effectType == OUTLINE_EFFECT) {
            QPainterPath path;
            QFont font = _font;
            font.setStyleStrategy(QFont::ForceOutline);
            path.addText(-bounds.x() - 0.5, -bounds.y() + 0.5, font, ch);
            QPen pen;
            pen.setWidth(_effectThickness);
            pen.setJoinStyle(Qt::RoundJoin);
            pen.setCapStyle(Qt::RoundCap);
            painter.setPen(pen);
            painter.setRenderHint(QPainter::Antialiasing);
            painter.drawPath(path);
        }
        painter.setPen(QColor(255, 255, 255));
        painter.drawText(-bounds.x(), -bounds.y(), ch);
    }    
    glTexSubImage2D(GL_TEXTURE_2D, 0, _x, _y, bounds.width(), bounds.height(), GL_RGBA, GL_UNSIGNED_BYTE, image.constBits());
       
    glyph = Glyph(_currentTextureID, QPoint(_x, _y), bounds, _metrics.width(ch));
    _x += bounds.width();
    _rowHeight = qMax(_rowHeight, bounds.height());
    
    glBindTexture(GL_TEXTURE_2D, 0);
    return glyph;
}

//.........这里部分代码省略.........
			if (!wnd) {
				throw RUNTIME_EXCEPTION(CONSTRUCT_MSG(
					"Error!\n"
					"Can't allocate memory for window: %s",
					::std::strerror(errno)));
			}

			int width  = static_cast<int>(regs[1]),
			    height = static_cast<int>(regs[2]);

			wnd->resize(width, height);
			wnd->show();
			wnd->setWindowTitle(QApplication::translate(
						    "emulator",
						    mm->getString(static_cast<size_t>(regs[3])).c_str()));
			wnd->begin(width, height);
			wnd->setAntialiased(true);

			regs[4] = windows.size();
			windows.push_back(wnd);

			break;
		}

		case 1: {
			LLCCEP_exec::window *wnd = getWindow();
			wnd->painter().drawPoint(static_cast<int>(regs[2]), static_cast<size_t>(regs[3]));

			break;
		}

		case 2: {
			LLCCEP_exec::window *wnd = getWindow();
			wnd->painter().setPen(QColor(static_cast<QRgb>(regs[2])));

			break;
		}

		case 3: {
			LLCCEP_exec::window *wnd = getWindow();
			wnd->close();
			delete wnd;
			windows.erase(windows.begin() + static_cast<size_t>(regs[1]));

			break;
		}

		case 4: {
			LLCCEP_exec::window *wnd = getWindow();
			regs[3] = wnd->getKeyboardButtonState((static_cast<size_t>(regs[2]) > 0xFF)?
							       (0):
							       (static_cast<size_t>(regs[2])));
			regs[4] = wnd->getMousePos().x();
			regs[5] = wnd->getMousePos().y();
			regs[6] = wnd->getMouseButtons();

			break;
		}

		case 5: {
			LLCCEP_exec::window *wnd = getWindow();
			regs[2] = wnd->pos().x();
			regs[3] = wnd->pos().y();
			regs[4] = wnd->size().width();
			regs[5] = wnd->size().height();

QVariant MProductos::data(const QModelIndex& item, int role) const
{
 if( !item.isValid() )
 {
   qDebug( QString( "Indice invalido Productos: col=%1, row=%2, role=%3").arg( item.column() ).arg( item.row() ).arg( role ).toLocal8Bit() );
   return( QVariant() );
 }
 switch( role )
 {
        case Qt::DisplayRole:
        {
                switch( item.column() )
                {
                        case 4:
                        case 5:
                        {
                                return QString( "$ %1" ).arg( QString::number( QSqlRelationalTableModel::data(item, role).toDouble(), 'f', 3 ) );
                                break;
                        }
                        case 9:
                        {
                                if( QSqlRelationalTableModel::data( item, role ).toBool() )
                                { return "Si"; }
                                else
                                { return "No"; }
                                break;
                        }
                        case 7:
                        {
                            return QString::number( QSqlRelationalTableModel::data( item, role ).toDouble(), 'f', 2 );
                            break;
                        }
                        default:
                        {
                                return QSqlRelationalTableModel::data( item, role );
                                break;
                        }
                }
                break;
        }
        case Qt::TextColorRole:
        {
                switch ( item.column() )
                {
                        case 5:
                        case 4:
                        {
                                return QColor(Qt::blue);
                                break;
                        }
                        default:
                        {
                                return QColor(Qt::black);
                                break;
                        }
                }
                break;
        }
        case Qt::EditRole:
        {
                switch( item.column() )
                {
                        case 5:
                        case 4:
                        {
                                return QSqlRelationalTableModel::data( item, role ).toDouble();
                                break;
                        }
                        default:
                        {
                                return QSqlRelationalTableModel::data( item, role );
                                break;
                        }
                }
                break;
        }
        case Qt::TextAlignmentRole:
        {
                switch( item.column() )
                {
                        case 5:
                        case 4:
                        case 6:
                        case 7:
                        case 8:
                        {
                                return int( Qt::AlignHCenter | Qt::AlignVCenter );
                                break;
                        }
                        default:
                        {
                                return int( Qt::AlignLeft | Qt::AlignVCenter );
                                break;
                        }
                }
                break;
        }
        case Qt::ToolTipRole:
        case Qt::StatusTipRole:
        {
//.........这里部分代码省略.........

void QScriptEdit::extraAreaPaintEvent(QPaintEvent *e)
{
    QRect rect = e->rect();
    QPalette pal = palette();
    pal.setCurrentColorGroup(QPalette::Active);
    QPainter painter(m_extraArea);
    painter.fillRect(rect, Qt::lightGray);
    const QFontMetrics fm(fontMetrics());

    int markWidth = fm.lineSpacing();
    int extraAreaWidth = m_extraArea->width();

    QLinearGradient gradient(QPointF(extraAreaWidth - 10, 0), QPointF(extraAreaWidth, 0));
    gradient.setColorAt(0, pal.color(QPalette::Background));
    gradient.setColorAt(1, pal.color(QPalette::Base));
    painter.fillRect(rect, gradient);

    QLinearGradient gradient2(QPointF(0, 0), QPointF(markWidth, 0));
    gradient2.setColorAt(0, pal.color(QPalette::Dark));
    gradient2.setColorAt(1, pal.color(QPalette::Background));
    painter.fillRect(rect.intersected(QRect(rect.x(), rect.y(), markWidth, rect.height())), gradient2);

    painter.setPen(QPen(pal.color(QPalette::Background), 2));
    if (isLeftToRight())
        painter.drawLine(rect.x() + extraAreaWidth-1, rect.top(), rect.x() + extraAreaWidth-1, rect.bottom());
    else
        painter.drawLine(rect.x(), rect.top(), rect.x(), rect.bottom());
    painter.setRenderHint(QPainter::Antialiasing);

#ifndef QT_NO_SYNTAXHIGHLIGHTER
    QTextBlock block = firstVisibleBlock();
    int blockNumber = block.blockNumber();
    qreal top = blockBoundingGeometry(block).translated(contentOffset()).top();
    qreal bottom = top + blockBoundingRect(block).height();

    QString imagesPath = QString::fromLatin1(":/qt/scripttools/debugging/images");
    QString imageExt;
// SVGs don't work on all platforms, even when QT_NO_SVG is not defined, so disable SVG usage for now.
// #ifndef QT_NO_SVG
#if 0
    imageExt = QString::fromLatin1("svg");
#else
    imageExt = QString::fromLatin1("png");
#endif

    while (block.isValid() && top <= rect.bottom()) {
        if (block.isVisible() && bottom >= rect.top()) {

            int lineNumber = blockNumber + m_baseLineNumber;
            if (m_breakpoints.contains(lineNumber)) {
                int radius = fm.lineSpacing() - 1;
                QRect r(rect.x(), (int)top, radius, radius);
                QIcon icon(m_breakpoints[lineNumber].enabled
                           ? QString::fromLatin1("%0/breakpoint.%1").arg(imagesPath).arg(imageExt)
                           : QString::fromLatin1("%0/d_breakpoint.%1").arg(imagesPath).arg(imageExt));
                icon.paint(&painter, r, Qt::AlignCenter);
            }
            if (m_executionLineNumber == lineNumber) {
                int radius = fm.lineSpacing() - 1;
                QRect r(rect.x(), (int)top, radius, radius);
                QIcon icon(QString::fromLatin1("%0/location.%1").arg(imagesPath).arg(imageExt));
                icon.paint(&painter, r, Qt::AlignCenter);
            }

            if (!isExecutableLine(lineNumber))
                painter.setPen(pal.color(QPalette::Mid));
            else
                painter.setPen(QColor(Qt::darkCyan));
            QString number = QString::number(lineNumber);
            painter.drawText(rect.x() + markWidth, (int)top, rect.x() + extraAreaWidth - markWidth - 4,
                             fm.height(), Qt::AlignRight, number);
        }

        block = block.next();
        top = bottom;
        bottom = top + blockBoundingRect(block).height();
        ++blockNumber;
    }
#endif
}

SplashScreen::SplashScreen(Qt::WindowFlags f, const NetworkStyle *networkStyle) :
    QWidget(0, f), curAlignment(0)
{
    // set reference point, paddings
    int paddingLeft             = 14;
    int paddingTop              = 470;
    int titleVersionVSpace      = 17;
    int titleCopyrightVSpace    = 32;

    float fontFactor            = 1.0;

    // define text to place
    QString titleText       = tr("Owncoin Core");
    QString versionText     = QString(tr("Version %1")).arg(QString::fromStdString(FormatFullVersion()));
    QString copyrightTextBtc   = QChar(0xA9)+QString(" 2009-%1 ").arg(COPYRIGHT_YEAR) + QString(tr("The Bitcoin Core developers"));
    QString copyrightTextOwncoin   = QChar(0xA9)+QString(" 2014-%1 ").arg(COPYRIGHT_YEAR) + QString(tr("The Owncoin Core developers"));
    QString titleAddText    = networkStyle->getTitleAddText();

    QString font            = QApplication::font().toString();

    // load the bitmap for writing some text over it
    pixmap     = networkStyle->getSplashImage();

    QPainter pixPaint(&pixmap);
    pixPaint.setPen(QColor(100,100,100));

    // check font size and drawing with
    pixPaint.setFont(QFont(font, 28*fontFactor));
    QFontMetrics fm = pixPaint.fontMetrics();
    int titleTextWidth  = fm.width(titleText);
    if(titleTextWidth > 160) {
        // strange font rendering, Arial probably not found
        fontFactor = 0.75;
    }

    pixPaint.setFont(QFont(font, 28*fontFactor));
    fm = pixPaint.fontMetrics();
    titleTextWidth  = fm.width(titleText);
    pixPaint.drawText(paddingLeft,paddingTop,titleText);

    pixPaint.setFont(QFont(font, 15*fontFactor));
    pixPaint.drawText(paddingLeft,paddingTop+titleVersionVSpace,versionText);

    // draw copyright stuff
    pixPaint.setFont(QFont(font, 10*fontFactor));
    pixPaint.drawText(paddingLeft,paddingTop+titleCopyrightVSpace,copyrightTextBtc);
    pixPaint.drawText(paddingLeft,paddingTop+titleCopyrightVSpace+12,copyrightTextOwncoin);

    // draw additional text if special network
    if(!titleAddText.isEmpty()) {
        QFont boldFont = QFont(font, 10*fontFactor);
        boldFont.setWeight(QFont::Bold);
        pixPaint.setFont(boldFont);
        fm = pixPaint.fontMetrics();
        int titleAddTextWidth  = fm.width(titleAddText);
        pixPaint.drawText(pixmap.width()-titleAddTextWidth-10,pixmap.height()-25,titleAddText);
    }

    pixPaint.end();

    // Set window title
    setWindowTitle(titleText + " " + titleAddText);

    // Resize window and move to center of desktop, disallow resizing
    QRect r(QPoint(), pixmap.size());
    resize(r.size());
    setFixedSize(r.size());
    move(QApplication::desktop()->screenGeometry().center() - r.center());

    subscribeToCoreSignals();
}

void QgsSvgCache::containsElemParams( const QDomElement& elem, bool& hasFillParam, QColor& defaultFill, bool& hasOutlineParam, QColor& defaultOutline,
                                      bool& hasOutlineWidthParam, double& defaultOutlineWidth ) const
{
  if ( elem.isNull() )
  {
    return;
  }

  //we already have all the information, no need to go deeper
  if ( hasFillParam && hasOutlineParam && hasOutlineWidthParam )
  {
    return;
  }

  //check this elements attribute
  QDomNamedNodeMap attributes = elem.attributes();
  int nAttributes = attributes.count();

  QStringList valueSplit;
  for ( int i = 0; i < nAttributes; ++i )
  {
    QDomAttr attribute = attributes.item( i ).toAttr();
    if ( attribute.name().compare( "style", Qt::CaseInsensitive ) == 0 )
    {
      //entries separated by ';'
      QStringList entryList = attribute.value().split( ';' );
      QStringList::const_iterator entryIt = entryList.constBegin();
      for ( ; entryIt != entryList.constEnd(); ++entryIt )
      {
        QStringList keyValueSplit = entryIt->split( ':' );
        if ( keyValueSplit.size() < 2 )
        {
          continue;
        }
        QString key = keyValueSplit.at( 0 );
        QString value = keyValueSplit.at( 1 );
        valueSplit = value.split( " " );
        if ( !hasFillParam && value.startsWith( "param(fill)" ) )
        {
          hasFillParam = true;
          if ( valueSplit.size() > 1 )
          {
            defaultFill = QColor( valueSplit.at( 1 ) );
          }
        }
        else if ( !hasOutlineParam && value.startsWith( "param(outline)" ) )
        {
          hasOutlineParam = true;
          if ( valueSplit.size() > 1 )
          {
            defaultOutline = QColor( valueSplit.at( 1 ) );
          }
        }
        else if ( !hasOutlineWidthParam && value.startsWith( "param(outline-width)" ) )
        {
          hasOutlineWidthParam = true;
          if ( valueSplit.size() > 1 )
          {
            defaultOutlineWidth = valueSplit.at( 1 ).toDouble();
          }
        }
      }
    }
    else
    {
      QString value = attribute.value();
      valueSplit = value.split( " " );
      if ( !hasFillParam && value.startsWith( "param(fill)" ) )
      {
        hasFillParam = true;
        if ( valueSplit.size() > 1 )
        {
          defaultFill = QColor( valueSplit.at( 1 ) );
        }
      }
      else if ( !hasOutlineParam && value.startsWith( "param(outline)" ) )
      {
        hasOutlineParam = true;
        if ( valueSplit.size() > 1 )
        {
          defaultOutline = QColor( valueSplit.at( 1 ) );
        }
      }
      else if ( !hasOutlineWidthParam && value.startsWith( "param(outline-width)" ) )
      {
        hasOutlineWidthParam = true;
        if ( valueSplit.size() > 1 )
        {
          defaultOutlineWidth = valueSplit.at( 1 ).toDouble();
        }
      }
    }
  }

  //pass it further to child items
  QDomNodeList childList = elem.childNodes();
  int nChildren = childList.count();
  for ( int i = 0; i < nChildren; ++i )
  {
    QDomElement childElem = childList.at( i ).toElement();
//.........这里部分代码省略.........

void PerformanceScoring::prepareDataPlot(
        DataPlot *plot)
{
    // Return now if plot empty
    if (mMainWindow->dataSize() == 0) return;

    DataPoint dpStart = mMainWindow->interpolateDataT(mStartTime);
    DataPoint dpEnd = mMainWindow->interpolateDataT(mEndTime);

    // Add shading for scoring window
    if (plot->yValue(DataPlot::Elevation)->visible())
    {
        DataPoint dpLower = mMainWindow->interpolateDataT(mMainWindow->rangeLower());
        DataPoint dpUpper = mMainWindow->interpolateDataT(mMainWindow->rangeUpper());

        const double xMin = plot->xValue()->value(dpLower, mMainWindow->units());
        const double xMax = plot->xValue()->value(dpUpper, mMainWindow->units());

        QVector< double > xElev, yElev;

        xElev << xMin << xMax;
        yElev << plot->yValue(DataPlot::Elevation)->value(dpStart, mMainWindow->units())
              << plot->yValue(DataPlot::Elevation)->value(dpStart, mMainWindow->units());

        QCPGraph *graph = plot->addGraph(
                    plot->axisRect()->axis(QCPAxis::atBottom),
                    plot->yValue(DataPlot::Elevation)->axis());
        graph->setData(xElev, yElev);
        graph->setPen(QPen(QBrush(Qt::lightGray), mMainWindow->lineThickness(), Qt::DashLine));

        yElev.clear();
        yElev << plot->yValue(DataPlot::Elevation)->value(dpEnd, mMainWindow->units())
              << plot->yValue(DataPlot::Elevation)->value(dpEnd, mMainWindow->units());

        graph = plot->addGraph(
                    plot->axisRect()->axis(QCPAxis::atBottom),
                    plot->yValue(DataPlot::Elevation)->axis());
        graph->setData(xElev, yElev);
        graph->setPen(QPen(QBrush(Qt::lightGray), mMainWindow->lineThickness(), Qt::DashLine));

        QCPItemRect *rect = new QCPItemRect(plot);

        rect->setPen(QPen(QBrush(Qt::lightGray), mMainWindow->lineThickness(), Qt::DashLine));
        rect->setBrush(QColor(0, 0, 0, 8));

        rect->topLeft->setType(QCPItemPosition::ptAxisRectRatio);
        rect->topLeft->setAxes(plot->xAxis, plot->yValue(DataPlot::Elevation)->axis());
        rect->topLeft->setCoords(-0.1, -0.1);

        rect->bottomRight->setType(QCPItemPosition::ptAxisRectRatio);
        rect->bottomRight->setAxes(plot->xAxis, plot->yValue(DataPlot::Elevation)->axis());
        rect->bottomRight->setCoords(
                    (plot->xValue()->value(dpStart, mMainWindow->units()) - xMin) / (xMax - xMin),
                    1.1);

        rect = new QCPItemRect(plot);

        rect->setPen(QPen(QBrush(Qt::lightGray), mMainWindow->lineThickness(), Qt::DashLine));
        rect->setBrush(QColor(0, 0, 0, 8));

        rect->topLeft->setType(QCPItemPosition::ptAxisRectRatio);
        rect->topLeft->setAxes(plot->xAxis, plot->yValue(DataPlot::Elevation)->axis());
        rect->topLeft->setCoords(
                    (plot->xValue()->value(dpEnd, mMainWindow->units()) - xMin) / (xMax - xMin),
                    -0.1);

        rect->bottomRight->setType(QCPItemPosition::ptAxisRectRatio);
        rect->bottomRight->setAxes(plot->xAxis, plot->yValue(DataPlot::Elevation)->axis());
        rect->bottomRight->setCoords(1.1, 1.1);
    }
}

void FileView::paint(QPainter* painter, const QRect& rect, const QPalette& palette, DisplayMode displayMode) const {
	painter->save();
	painter->setRenderHint(QPainter::Antialiasing, true);

	painter->translate(rect.x(), rect.y());

	if(displayMode == DM_Selected)
		painter->setBrush(palette.highlightedText());
	else
		painter->setBrush(palette.foreground());

	painter->setPen(QPen(painter->brush(), 1));
	
	int textFlags = Qt::AlignLeft | Qt::AlignVCenter;

	QFont font(painter->font());
	font.setBold(true);
	painter->setFont(font);

	QString nameDisplay = (mode == TM_Send) ? tr("To: ") : tr("From: ");
	nameDisplay.append(userName);
	QRect textRect = QRect(54, 0, rect.width() - 58, 18);
	QString text = painter->fontMetrics().elidedText(nameDisplay, Qt::ElideRight, textRect.width());
	painter->drawText(textRect, textFlags, text);
	
	font.setBold(false);
	painter->setFont(font);
	textRect = QRect(54, 18, rect.width() - 58, 18);
	text = painter->fontMetrics().elidedText(fileDisplay, Qt::ElideMiddle, textRect.width());
	painter->drawText(textRect, textFlags, text);

	bool drawProgress = false;
	QString stateDisplay;
	switch(state) {
	case TS_Send:
		stateDisplay = timeDisplay + " left - " + posDisplay + " of " + sizeDisplay + " (" + speedDisplay + ")";
		drawProgress = true;
		break;
	case TS_Receive:
		stateDisplay = timeDisplay + " left - " + posDisplay + " of " + sizeDisplay + " (" + speedDisplay + ")";
		drawProgress = true;
		break;
	case TS_Complete:
		stateDisplay = tr("Completed");
		break;
	case TS_Cancel:
		stateDisplay = tr("Canceled");
		break;
	case TS_Abort:
		stateDisplay = tr("Interrupted");
		break;
    default:
        break;
	}
	textRect = QRect(54, 36, rect.width() - 58, 18);
	text = painter->fontMetrics().elidedText(stateDisplay, Qt::ElideRight, textRect.width());
	painter->drawText(textRect, textFlags, text);

	if(drawProgress) {
		int spanAngle = ((double)position / (double)fileSize) * 360;

		painter->setBrush(QBrush(QColor(230, 230, 230)));
		painter->setPen(QPen(QColor(230, 230, 230)));
		painter->drawPie(4, 4, 46, 46, (90 - spanAngle) * 16, -(360 - spanAngle) * 16);

		painter->setBrush(QBrush(QColor(150, 225, 110)));
		painter->setPen(QPen(QColor(150, 225, 110)));
		painter->drawPie(4, 4, 46, 46, 90 * 16, -spanAngle * 16);

		painter->setBrush(QBrush(QColor(255, 255, 255)));
		painter->setPen(QPen(QColor(255, 255, 255), 2));
		painter->drawLine(27, 5, 27, 49);
		painter->drawLine(5, 27, 49, 27);
		painter->drawLine(11, 11, 42, 42);
		painter->drawLine(42, 11, 11, 42);
	}

	QRect imageRect(11, 11, 32, 32);
	painter->drawPixmap(imageRect, icon);

	painter->restore();
}

PluginUniform::PluginUniform()
{
    mColor = QColor(220,204,173);
}

QSizeF QgsSymbolV2LegendNode::drawSymbol( const QgsLegendSettings& settings, ItemContext* ctx, double itemHeight ) const
{
  QgsSymbolV2* s = mItem.symbol();
  if ( !s )
  {
    return QSizeF();
  }

  // setup temporary render context
  QgsRenderContext context;
  context.setScaleFactor( settings.dpi() / 25.4 );
  context.setRendererScale( settings.mapScale() );
  context.setMapToPixel( QgsMapToPixel( 1 / ( settings.mmPerMapUnit() * context.scaleFactor() ) ) ); // hope it's ok to leave out other params
  context.setForceVectorOutput( true );
  context.setPainter( ctx ? ctx->painter : 0 );

  //Consider symbol size for point markers
  double height = settings.symbolSize().height();
  double width = settings.symbolSize().width();
  double size = 0;
  //Center small marker symbols
  double widthOffset = 0;
  double heightOffset = 0;

  if ( QgsMarkerSymbolV2* markerSymbol = dynamic_cast<QgsMarkerSymbolV2*>( s ) )
  {
    // allow marker symbol to occupy bigger area if necessary
    size = markerSymbol->size() * QgsSymbolLayerV2Utils::lineWidthScaleFactor( context, s->outputUnit(), s->mapUnitScale() ) / context.scaleFactor();
    height = size;
    width = size;
    if ( width < settings.symbolSize().width() )
    {
      widthOffset = ( settings.symbolSize().width() - width ) / 2.0;
    }
    if ( height < settings.symbolSize().height() )
    {
      heightOffset = ( settings.symbolSize().height() - height ) / 2.0;
    }
  }

  if ( ctx )
  {
    double currentXPosition = ctx->point.x();
    double currentYCoord = ctx->point.y() + ( itemHeight - settings.symbolSize().height() ) / 2;
    QPainter* p = ctx->painter;

    //setup painter scaling to dots so that raster symbology is drawn to scale
    double dotsPerMM = context.scaleFactor();

    int opacity = 255;
    if ( QgsVectorLayer* vectorLayer = dynamic_cast<QgsVectorLayer*>( parent()->layer() ) )
      opacity = 255 - ( 255 * vectorLayer->layerTransparency() / 100 );

    p->save();
    p->setRenderHint( QPainter::Antialiasing );
    if ( opacity != 255 && settings.useAdvancedEffects() )
    {
      //semi transparent layer, so need to draw symbol to an image (to flatten it first)
      //create image which is same size as legend rect, in case symbol bleeds outside its alloted space
      QImage tempImage = QImage( QSize( width * dotsPerMM, height * dotsPerMM ), QImage::Format_ARGB32 );
      QPainter imagePainter( &tempImage );
      tempImage.fill( Qt::transparent );
      imagePainter.translate( dotsPerMM * ( currentXPosition + widthOffset ),
                              dotsPerMM * ( currentYCoord + heightOffset ) );
      s->drawPreviewIcon( &imagePainter, QSize( width * dotsPerMM, height * dotsPerMM ), &context );
      //reduce opacity of image
      imagePainter.setCompositionMode( QPainter::CompositionMode_DestinationIn );
      imagePainter.fillRect( tempImage.rect(), QColor( 0, 0, 0, opacity ) );
      //draw rendered symbol image
      p->scale( 1.0 / dotsPerMM, 1.0 / dotsPerMM );
      p->drawImage( 0, 0, tempImage );
    }
    else
    {
      p->translate( currentXPosition + widthOffset, currentYCoord + heightOffset );
      p->scale( 1.0 / dotsPerMM, 1.0 / dotsPerMM );
      s->drawPreviewIcon( p, QSize( width * dotsPerMM, height * dotsPerMM ), &context );
    }
    p->restore();
  }

  return QSizeF( qMax( width + 2 * widthOffset, settings.symbolSize().width() ),
                 qMax( height + 2 * heightOffset, settings.symbolSize().height() ) );
}

void ArthurFrame::paintEvent(QPaintEvent *e)
{
#ifdef Q_WS_QWS
    static QPixmap *static_image = 0;
#else
    static QImage *static_image = 0;
#endif
    QPainter painter;
    if (preferImage()
#ifdef QT_OPENGL_SUPPORT
        && !m_use_opengl
#endif
        ) {
        if (!static_image || static_image->size() != size()) {
            delete static_image;
#ifdef Q_WS_QWS
            static_image = new QPixmap(size());
#else
            static_image = new QImage(size(), QImage::Format_RGB32);
#endif
        }
        painter.begin(static_image);

        int o = 10;

        QBrush bg = palette().brush(QPalette::Background);
        painter.fillRect(0, 0, o, o, bg);
        painter.fillRect(width() - o, 0, o, o, bg);
        painter.fillRect(0, height() - o, o, o, bg);
        painter.fillRect(width() - o, height() - o, o, o, bg);
    } else {
#ifdef QT_OPENGL_SUPPORT
        if (m_use_opengl) {
            painter.begin(glw);
            painter.fillRect(QRectF(0, 0, glw->width(), glw->height()), palette().color(backgroundRole()));
        } else {
            painter.begin(this);
        }
#else
        painter.begin(this);
#endif
    }

    painter.setClipRect(e->rect());

    painter.setRenderHint(QPainter::Antialiasing);

    QPainterPath clipPath;

    QRect r = rect();
    qreal left = r.x() + 1;
    qreal top = r.y() + 1;
    qreal right = r.right();
    qreal bottom = r.bottom();
    qreal radius2 = 8 * 2;

    clipPath.moveTo(right - radius2, top);
    clipPath.arcTo(right - radius2, top, radius2, radius2, 90, -90);
    clipPath.arcTo(right - radius2, bottom - radius2, radius2, radius2, 0, -90);
    clipPath.arcTo(left, bottom - radius2, radius2, radius2, 270, -90);
    clipPath.arcTo(left, top, radius2, radius2, 180, -90);
    clipPath.closeSubpath();

    painter.save();
    painter.setClipPath(clipPath, Qt::IntersectClip);

    painter.drawTiledPixmap(rect(), m_tile);

    // client painting

    paint(&painter);

    painter.restore();

    painter.save();
    if (m_show_doc)
        paintDescription(&painter);
    painter.restore();

    int level = 180;
    painter.setPen(QPen(QColor(level, level, level), 2));
    painter.setBrush(Qt::NoBrush);
    painter.drawPath(clipPath);

    if (preferImage()
#ifdef QT_OPENGL_SUPPORT
        && !m_use_opengl
#endif
        ) {
        painter.end();
        painter.begin(this);
#ifdef Q_WS_QWS
        painter.drawPixmap(e->rect(), *static_image, e->rect());
#else
        painter.drawImage(e->rect(), *static_image, e->rect());
#endif
    }

#ifdef QT_OPENGL_SUPPORT
    if (m_use_opengl && (inherits("PathDeformRenderer") || inherits("PathStrokeRenderer") || inherits("CompositionRenderer") || m_show_doc))
//.........这里部分代码省略.........