/*!
Draws the first \a pointCount points in the buffer \a points
*/
void QPaintEngine::drawPoints(const QPointF *points, int pointCount)
{
QPainter *p = painter();
if (!p)
return;
qreal penWidth = p->pen().widthF();
if (penWidth == 0)
penWidth = 1;
bool ellipses = p->pen().capStyle() == Qt::RoundCap;
p->save();
QTransform transform;
if (qt_pen_is_cosmetic(p->pen(), p->renderHints())) {
transform = p->transform();
p->setTransform(QTransform());
}
p->setBrush(p->pen().brush());
p->setPen(Qt::NoPen);
for (int i=0; i<pointCount; ++i) {
QPointF pos = transform.map(points[i]);
QRectF rect(pos.x() - penWidth / 2, pos.y() - penWidth / 2, penWidth, penWidth);
if (ellipses)
p->drawEllipse(rect);
else
p->drawRect(rect);
}
p->restore();
}
void plot2d::paintEvent(QPaintEvent *)
{
//printf("paintEvent\n"); fflush(stdout);
if (!backbuffer || !backbuffervalid) {
if (!backbuffer) {
backbuffer = new QPixmap (size ());
}
backbuffer->fill (isEnabled () ? Qt::white : Qt::lightGray);
QPainter pixmappainter (backbuffer);
{
QReadLocker rd (&lock);
setBoundaries();
drawChannels(pixmappainter);
}
drawTicks(pixmappainter);
backbuffervalid = true;
}
QPainter painter (this);
painter.drawPixmap(0, 0, *backbuffer);
if (scalemode == ScaleX) {
double start = (scalestart - viewport.x ()) / viewport.width();
double end = (scaleend - viewport.x()) / viewport.width();
QLine line1 (start * width (), 0.005 * height (), end * width (), 0.005 * height ());
QLine line2 (start * width (), 0.995 * height (), end * width (), 0.995 * height ());
painter.save ();
QPen mypen = painter.pen();
mypen.setColor(QColor(0,0,0,150));
mypen.setWidth(5);
painter.setPen (mypen);
painter.drawLine (line1);
painter.drawLine (line2);
painter.restore ();
}
if (scalemode == ScaleY) {
double start = (scalestart - viewport.y ()) / viewport.height();
double end = (scaleend - viewport.y()) / viewport.height();
QLine line1 (0.005 * width (), start * height (), 0.005 * width (), end * height ());
QLine line2 (0.995 * width (), start * height (), 0.995 * width (), end * height ());
painter.save ();
QPen mypen = painter.pen();
mypen.setColor(QColor(0,0,0,150));
mypen.setWidth(5);
painter.setPen (mypen);
painter.drawLine (line1);
painter.drawLine (line2);
painter.restore ();
}
}
void PanelRadar::paintEvent(QPaintEvent* event) {
const qreal scale0 = 0.14644660940672623779957781894758;
const qreal scale1 = (1.0 - scale0);
PanelWidget::paintEvent(event);
QPainter p;
p.begin(this);
setMargins(&p);
p.setRenderHint(QPainter::Antialiasing, true);
p.setRenderHint(QPainter::TextAntialiasing, true);
QPen pen = p.pen();
pen.setWidth(1);
p.setPen(QColor("black"));
QPainterPath path;
qreal rx = p.device()->width();
qreal ry = p.device()->height();
QPointF point(0.5 * rx, 0.5 * ry);
path.addEllipse(point, 0.50 * rx, 0.50 * ry);
p.fillPath(path, QColor("white"));
path.addEllipse(point, 0.25 * rx, 0.25 * ry);
p.drawPath(path);
p.drawLine(0, 0.5 * ry, rx, 0.5 * ry);
p.drawLine(0.5 * rx, 0, 0.5 * rx, ry);
p.drawLine(rx * scale0 + 1, ry * scale0 + 1, rx * scale1 - 1, ry * scale1 - 1);
p.drawLine(rx * scale0 + 1, ry * scale1 - 1, rx * scale1 - 1, ry * scale0 + 1);
drawItems(&p);
p.end();
}
void ImageDisplayer::drawSavedContour(QPainter &painter)
{
//cout << "seeds size: " << seeds.size() << endl;
//cout << "paths size: " << paths.size() << endl;
if(seeds.size() == paths.size()) {
for(int i=0; i<seeds.size(); i++) {
// draw seed
QBrush o = painter.brush();
painter.setBrush(QColor(255, 0, 0, 255));
int x = seeds[i].pos[0];
int y = seeds[i].pos[1];
int* tem = img2dis(x, y);
painter.drawRect(tem[0]-3, tem[1]-3, 7, 7);
painter.setBrush(o);
// draw path
QPainterPath path;
vector<vec2i> p = paths[i];
int* tem2 = img2dis(p[0].pos[0], p[0].pos[1]);
path.moveTo(tem2[0], tem2[1]);
for(int j=1; j<p.size(); j++) {
tem2 = img2dis(p[j].pos[0], p[j].pos[1]);
path.lineTo(tem2[0], tem2[1]);
}
QPen op = painter.pen();
QPen pen(Qt::green, 3);
painter.setPen(pen);
painter.drawPath(path);
painter.setPen(op);
}
}
}
void GraphicsContext::strokePath()
{
if (paintingDisabled())
return;
QPainter *p = m_data->p();
QPen pen = p->pen();
QPainterPath path = m_data->currentPath;
switch (m_common->state.strokeColorSpace) {
case SolidColorSpace:
if (strokeColor().alpha())
p->strokePath(path, pen);
break;
case PatternColorSpace: {
TransformationMatrix affine;
pen.setBrush(QBrush(m_common->state.strokePattern->createPlatformPattern(affine)));
p->setPen(pen);
p->strokePath(path, pen);
break;
}
case GradientColorSpace: {
QGradient* gradient = m_common->state.strokeGradient->platformGradient();
*gradient = applySpreadMethod(*gradient, spreadMethod());
pen.setBrush(QBrush(*gradient));
p->setPen(pen);
p->strokePath(path, pen);
break;
}
}
m_data->currentPath = QPainterPath();
}
void PolygonWidget::UpdatePreView()
{
double roundness = CurvatureSpin->value() / 100.0;
QPixmap pm = QPixmap(Preview->width() - 5, Preview->height() - 5);
pm.fill(Qt::white);
QPainter p;
p.begin(&pm);
p.setBrush(Qt::NoBrush);
p.setPen(Qt::black);
QPainterPath pp = RegularPolygon(Preview->width() - 6, Preview->height() - 6, Ecken->value(), Konvex->isChecked(), GetFaktor(), Slider2->value(), roundness);
QRectF br = pp.boundingRect();
if (br.x() < 0)
{
QMatrix m;
m.translate(-br.x(), 0);
pp = pp * m;
}
if (br.y() < 0)
{
QMatrix m;
m.translate(0, -br.y());
pp = pp * m;
}
br = pp.boundingRect();
if ((br.height() > Preview->height() - 6) || (br.width() > Preview->width() - 6))
{
QMatrix ma;
double sca = static_cast<double>(qMax(Preview->height() - 6, Preview->width() - 6)) / static_cast<double>(qMax(br.width(), br.height()));
ma.scale(sca, sca);
pp = pp * ma;
}
p.strokePath(pp, p.pen());
p.end();
Preview->setPixmap(pm);
}
void VariableCapacitor::drawShape(QPainter &p) {
initPainter(p);
// Get centre point of component.
int _y = (int)y();
int _x = (int)x();
p.drawRect(_x - 8, _y - 8, 5, 16);
p.drawRect(_x + 3, _y - 8, 5, 16);
// p.drawLine( _x-8, _y, _x-16, _y );
// p.drawLine( _x+8, _y, _x+16, _y );
// Diagonally pointing arrow
QPointArray pa(3);
pa[0] = QPoint(-4, 0);
pa[1] = QPoint(-2, 4);
pa[2] = QPoint(0, 0);
pa.translate(_x + 16, _y - 8);
p.setBrush(p.pen().color());
p.drawPolygon(pa);
p.drawLine(_x - 16, _y + 8, _x + 16, _y - 8);
deinitPainter(p);
}
void MarkerMapObject::paint(QPainter &painter, QRect view, int scale) {
// Save the painter state for this paint session
// so that it can be restored after without influencing other objects
painter.save(); {
// Translate, scale, and rotate...
QTransform t;
t.scale(1.0/scale, 1.0/scale);
t.translate(x - view.x()*scale, view.height()*scale - y + view.y()*scale);
painter.setTransform(t);
for(int index = 0; index < transformationCount; index++) {
long arrowLength = 1000*scale;
long ballSize = 20*scale;
Vector2D a = transformation[index].trans();
Vector2D b = (transformation[index] * Trafo2D::trans(0, arrowLength)).trans();
painter.setPen(transformationColors[index]);
QPen pen = painter.pen();
pen.setWidth(2*scale);
painter.setPen(pen);
painter.drawLine(a.x(), -a.y(), b.x(), -b.y());
painter.setBrush(QBrush(transformationColors[index]));
painter.drawEllipse(a.x()-ballSize/2, -(a.y()+ballSize/2), ballSize, ballSize);
}
} painter.restore();
}
void QPaintEnginePrivate::drawBoxTextItem(const QPointF &p, const QTextItemInt &ti)
{
if (!ti.glyphs.numGlyphs)
return;
// any fixes here should probably also be done in QFontEngineBox::draw
const int size = qRound(ti.fontEngine->ascent());
QVarLengthArray<QFixedPoint> positions;
QVarLengthArray<glyph_t> glyphs;
QTransform matrix = QTransform::fromTranslate(p.x(), p.y() - size);
ti.fontEngine->getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions);
if (glyphs.size() == 0)
return;
QSize s(size - 3, size - 3);
QPainter *painter = q_func()->state->painter();
painter->save();
painter->setBrush(Qt::NoBrush);
QPen pen = painter->pen();
pen.setWidthF(ti.fontEngine->lineThickness().toReal());
painter->setPen(pen);
for (int k = 0; k < positions.size(); k++)
painter->drawRect(QRectF(positions[k].toPointF(), s));
painter->restore();
}
ImageBufferData::ImageBufferData(const IntSize& size)
: m_pixmap(size)
{
if (m_pixmap.isNull())
return;
m_pixmap.fill(QColor(Qt::transparent));
QPainter* painter = new QPainter;
m_painter = adoptPtr(painter);
if (!painter->begin(&m_pixmap))
return;
// Since ImageBuffer is used mainly for Canvas, explicitly initialize
// its painter's pen and brush with the corresponding canvas defaults
// NOTE: keep in sync with CanvasRenderingContext2D::State
QPen pen = painter->pen();
pen.setColor(Qt::black);
pen.setWidth(1);
pen.setCapStyle(Qt::FlatCap);
pen.setJoinStyle(Qt::SvgMiterJoin);
pen.setMiterLimit(10);
painter->setPen(pen);
QBrush brush = painter->brush();
brush.setColor(Qt::black);
painter->setBrush(brush);
painter->setCompositionMode(QPainter::CompositionMode_SourceOver);
m_image = StillImage::createForRendering(&m_pixmap);
}
void DrawMana( QPainter& painter, int x, int y, int width, int height, int mana ) const {
// Draw mana
QPen origPen = painter.pen();
QPen pen( QColor( 0, 52, 113 ) );
pen.setCosmetic( true );
pen.setWidth( 1 );
painter.setPen( pen );
QBrush brush( QColor( 40, 119, 238 ) );
painter.setBrush( brush );
QTransform transform;
painter.translate( x + width * 0.5, y + height * 0.5 );
painter.scale( width * 0.8, height * 0.8 );
static const QPointF points[5] = {
QPointF( 0.0, -1.0 ),
QPointF( 1.0, -0.2 ),
QPointF( 0.6, 1.0 ),
QPointF( -0.6, 1.0 ),
QPointF( -1.0, -0.2 ),
};
painter.drawConvexPolygon( points, 5 );
painter.resetTransform();
painter.setPen( origPen );
painter.drawText( x, y, width, height, Qt::AlignCenter | Qt::AlignVCenter, QString::number( mana ) );
}
//-----------------------------------------------------------------------------
//!
//-----------------------------------------------------------------------------
void tWindPlotGraph::DrawTimeLabelAndGridLine(QPainter& painter, QPen& gridPen, int timeIncrement)
{
// Work out the Y position for the label and grid line
int samplePosition;
// Calculate the samplePosition
samplePosition = timeIncrement * 60000;
samplePosition /= tDigitalTimePlotDataManager::Instance()->GetSamplePeriod(m_TimePlotRange);
qreal y = m_GraphConfig.originY + (samplePosition * m_GraphConfig.pixPerTime);
QFontMetrics fm = QFontMetrics(painter.font());
// Draw the label
QString label = QString("%1").arg(timeIncrement);
QRect boundingRect = fm.boundingRect( label );
int w = contentsRect().width();
QRectF textRect = QRectF((w - m_GraphConfig.centreMarginWidth) / 2, y - (boundingRect.height() / 2), m_GraphConfig.centreMarginWidth, boundingRect.height() );
painter.drawText(textRect, Qt::AlignCenter, label );
QPen savedPen = painter.pen();
// draw grid lines
if ( (samplePosition != 0) && (samplePosition != m_TimePlotData[0].GetMaxNumberOfSamples()) )
{
painter.setPen( gridPen );
painter.drawLine( m_GraphConfig.originX[0], static_cast<int>(y), m_GraphConfig.originX[0] + m_GraphConfig.extentX[0], static_cast<int>(y) );
painter.drawLine( m_GraphConfig.originX[1], static_cast<int>(y), m_GraphConfig.originX[1] + m_GraphConfig.extentX[1], static_cast<int>(y) );
}
painter.setPen(savedPen);
}
void ECBJT::drawShape( QPainter &p )
{
const int _x = int(x());
const int _y = int(y());
initPainter(p);
p.drawLine( _x-8, _y-8, _x-8, _y+8 );
p.drawLine( _x+8, _y-8, _x-8, _y );
p.drawLine( _x+8, _y+8, _x-8, _y );
QPolygon pa(3);
if ( m_bIsNPN )
{
pa[0] = QPoint( _x+6, _y+7 );
pa[1] = QPoint( _x+2, _y+8 );
pa[2] = QPoint( _x+5, _y+3 );
}
else
{
pa[0] = QPoint( _x-7, _y+1 );
pa[1] = QPoint( _x-4, _y+5 );
pa[2] = QPoint( _x-2, _y );
}
p.setBrush( p.pen().color() );
p.drawPolygon(pa);
deinitPainter(p);
}
void ZoomableAssemblyOverview::drawSelection(QPainter & p) {
cachedSelection = calcCurrentSelection();
//if selection is TOO small - enlarge it a bit
if(0 == cachedSelection.width()) {
cachedSelection.setWidth(1);
}
if(0 == cachedSelection.height()) {
cachedSelection.setHeight(1);
}
//cached selection can be outside the visible range, so intersect it with it
QRect selectionToDraw = rect().intersected(cachedSelection);
if(selectionToDraw.isNull()) {
return;
}
if(isRectVerySmall(selectionToDraw)) {
//draw red cross
QPoint c = selectionToDraw.center();
QPen oldPen = p.pen();
p.setPen(Qt::red);
p.drawLine(c - CROSS_LEFT_CORNER, c + CROSS_LEFT_CORNER);
p.drawLine(c - CROSS_RIGHT_CORNER, c + CROSS_RIGHT_CORNER);
p.setPen(oldPen);
} else {
//draw transparent rectangle
if(selectionToDraw.width() < 5 || selectionToDraw.height() < 5) {
//red borders if rect is thin
p.setPen(Qt::red);
}
p.fillRect(selectionToDraw, QColor(230, 230, 230, 180));
p.drawRect(selectionToDraw.adjusted(0, 0, -1, -1));
}
}
void plotClippedPolygon(QPainter& painter,
QRectF rect,
const QPolygonF& inpoly,
bool autoexpand)
{
if ( autoexpand )
{
const qreal lw = painter.pen().widthF();
if( painter.pen().style() != Qt::NoPen )
rect.adjust(-lw, -lw, lw, lw);
}
QPolygonF plt;
polygonClip(inpoly, rect, plt);
painter.drawPolygon(plt);
}
void plotBoxesToPainter(QPainter& painter,
const Numpy1DObj& x1, const Numpy1DObj& y1,
const Numpy1DObj& x2, const Numpy1DObj& y2,
const QRectF* clip, bool autoexpand)
{
// if autoexpand, expand rectangle by line width
QRectF clipcopy(QPointF(-32767,-32767), QPointF(32767,32767));
if ( clip != 0 && autoexpand )
{
const qreal lw = painter.pen().widthF();
qreal x1, y1, x2, y2;
clip->getCoords(&x1, &y1, &x2, &y2);
clipcopy.setCoords(x1, y1, x2, y2);
clipcopy.adjust(-lw, -lw, lw, lw);
}
const int maxsize = min(x1.dim, x2.dim, y1.dim, y2.dim);
QVector<QRectF> rects;
for(int i = 0; i < maxsize; ++i)
{
QPointF pt1(x1(i), y1(i));
QPointF pt2(x2(i), y2(i));
const QRectF rect(pt1, pt2);
if( clipcopy.intersects(rect) )
{
rects << clipcopy.intersected(rect);
}
}
if( ! rects.isEmpty() )
painter.drawRects(rects);
}
void FancyRectangle::drawShape(QPainter &p)
{
QPen oldPen = p.pen();
// draw rectangle
p.setPen(QPen(QColor(118, 118, 118), 1));
p.drawRect((int)x(), (int)y(),
width(), height());
// draw decorations
p.setPen(QPen(QColor(192, 192, 192), 1));
p.drawPoint((int)x(), (int)y());
p.drawPoint((int)x(), (int)y() + height() - 1);
p.drawPoint((int)x() + width() - 1, (int)y());
p.drawPoint((int)x() + width() - 1, (int)y() + height() - 1);
// p.setPen(QPen(QColor(196, 194, 205), 1));
p.setPen(QPen(p.brush().color().dark(120), 1));
p.drawLine((int)x() + 1, (int)y() + height() - 2,
(int)x() + width() - 2, (int)y() + height() - 2);
p.drawLine((int)x() + width() - 2, (int)y() + height() - 1,
(int)x() + width() - 2, (int)y() + 1);
p.setPen(oldPen);
}
void QgsMeshVectorRenderer::draw()
{
// Set up the render configuration options
QPainter *painter = mContext.painter();
painter->save();
if ( mContext.flags() & QgsRenderContext::Antialiasing )
painter->setRenderHint( QPainter::Antialiasing, true );
painter->setRenderHint( QPainter::Antialiasing );
QPen pen = painter->pen();
pen.setCapStyle( Qt::FlatCap );
pen.setJoinStyle( Qt::MiterJoin );
double penWidth = mContext.convertToPainterUnits( mCfg.lineWidth(),
QgsUnitTypes::RenderUnit::RenderMillimeters );
pen.setWidthF( penWidth );
pen.setColor( mCfg.color() );
painter->setPen( pen );
if ( mDataOnVertices )
drawVectorDataOnVertices();
else
drawVectorDataOnFaces();
painter->restore();
}
// ********************************************************
ImageBufferData::ImageBufferData(const IntSize& size, bool accelerated)
{
QPainter* painter = new QPainter;
m_painter = adoptPtr(painter);
#if ENABLE(ACCELERATED_2D_CANVAS)
if (accelerated) {
m_impl = adoptPtr(new ImageBufferDataPrivateAccelerated(size));
} else
#endif
m_impl = adoptPtr(new ImageBufferDataPrivateUnaccelerated(size));
if (!m_impl->paintDevice())
return;
if (!painter->begin(m_impl->paintDevice()))
return;
painter->setRenderHints(QPainter::Antialiasing | QPainter::HighQualityAntialiasing);
QPen pen = painter->pen();
pen.setColor(Qt::black);
pen.setWidth(1);
pen.setCapStyle(Qt::FlatCap);
pen.setJoinStyle(Qt::SvgMiterJoin);
pen.setMiterLimit(10);
painter->setPen(pen);
QBrush brush = painter->brush();
brush.setColor(Qt::black);
painter->setBrush(brush);
painter->setCompositionMode(QPainter::CompositionMode_SourceOver);
}
void TextRenderable::render(QPainter &painter, const RenderConfig &config) const
{
painter.save();
bool disable_antialiasing = config.options.testFlag(RenderConfig::Screen) && !(Settings::getInstance().getSettingCached(Settings::MapDisplay_TextAntialiasing).toBool());
if (disable_antialiasing)
{
painter.setRenderHint(QPainter::Antialiasing, false);
painter.setRenderHint(QPainter::TextAntialiasing, false);
}
if (framing_line)
{
QPen pen(painter.pen());
pen.setJoinStyle(Qt::MiterJoin);
pen.setMiterLimit(0.5);
painter.setPen(pen);
}
painter.translate(anchor_x, anchor_y);
if (rotation != 0)
painter.rotate(-rotation * 180 / M_PI);
painter.scale(scale_factor, scale_factor);
painter.drawPath(path);
painter.restore();
}
QRect AGenericBrush::release(const QString & brush ,QPainter & painter, const QPoint & pos )
{
int smoothness = m_configurator->exactness();
if ( m_firstPoint == pos && m_path.elementCount() == 1)
{
smoothness = 0;
m_path.addEllipse(pos.x(), pos.y(), painter.pen().width(),painter.pen().width());
painter.drawPath(m_path);
}
m_firstPoint = QPoint(0,0);
QPolygonF pol;
QList<QPolygonF> polygons = m_path.toSubpathPolygons();
QList<QPolygonF>::iterator it = polygons.begin();
QPolygonF::iterator pointIt;
while(it != polygons.end() )
{
pointIt = (*it).begin();
while(pointIt <= (*it).end()-2)
{
pol << (*pointIt);
pointIt += 2;
}
++it;
}
if(smoothness > 0)
{
m_path = KTGraphicalAlgorithm::bezierFit(pol, smoothness);
emit requestRedraw();
return QRect(0, 0, 0, 0);
}
else
{
m_path = QPainterPath();
m_path.addPolygon(pol);
}
return m_path.boundingRect().toRect().normalized().adjusted(-painter.pen().width(), -painter.pen().width(), +painter.pen().width(), +painter.pen().width());;
}
void CanvasRenderingContext2D::stroke()
{
GraphicsContext* c = drawingContext();
if (!c)
return;
// FIXME: Do this through platform-independent GraphicsContext API.
#if PLATFORM(CG)
CGContextBeginPath(c->platformContext());
CGContextAddPath(c->platformContext(), state().m_path.platformPath());
if (!state().m_path.isEmpty()) {
float lineWidth = state().m_lineWidth;
float inset = -lineWidth / 2;
CGRect boundingRect = CGRectInset(CGContextGetPathBoundingBox(c->platformContext()), inset, inset);
willDraw(boundingRect);
}
if (state().m_strokeStyle->gradient()) {
// Shading works on the entire clip region, so convert the current path to a clip.
c->save();
CGContextReplacePathWithStrokedPath(c->platformContext());
CGContextClip(c->platformContext());
CGContextDrawShading(c->platformContext(), state().m_strokeStyle->gradient()->platformShading());
c->restore();
} else {
if (state().m_strokeStyle->pattern())
applyStrokePattern();
CGContextStrokePath(c->platformContext());
}
#elif PLATFORM(QT)
QPainterPath* path = state().m_path.platformPath();
QPainter* p = static_cast<QPainter*>(c->platformContext());
willDraw(path->controlPointRect());
if (state().m_strokeStyle->gradient()) {
p->save();
p->setBrush(*(state().m_strokeStyle->gradient()->platformShading()));
p->strokePath(*path, p->pen());
p->restore();
} else {
if (state().m_strokeStyle->pattern())
applyStrokePattern();
p->strokePath(*path, p->pen());
}
#endif
clearPathForDashboardBackwardCompatibilityMode();
}
void ComponentWidget::draw(QPainter & p, int offsetX, int offsetY) {
UMLComponent *umlcomp = static_cast<UMLComponent*>(m_pObject);
if (umlcomp == NULL)
return;
UMLWidget::setPen(p);
if ( umlcomp->getExecutable() ) {
QPen thickerPen = p.pen();
thickerPen.setWidth(2);
p.setPen(thickerPen);
}
if ( UMLWidget::getUseFillColour() ) {
p.setBrush( UMLWidget::getFillColour() );
} else {
p.setBrush( m_pView->viewport()->backgroundColor() );
}
const int w = width();
const int h = height();
QFont font = UMLWidget::getFont();
font.setBold(true);
const QFontMetrics &fm = getFontMetrics(FT_BOLD);
const int fontHeight = fm.lineSpacing();
QString name = getName();
const QString stereotype = m_pObject->getStereotype();
p.drawRect(offsetX + 2*COMPONENT_MARGIN, offsetY, w - 2*COMPONENT_MARGIN, h);
p.drawRect(offsetX, offsetY + h/2 - fontHeight/2 - fontHeight, COMPONENT_MARGIN*4, fontHeight);
p.drawRect(offsetX, offsetY + h/2 + fontHeight/2, COMPONENT_MARGIN*4, fontHeight);
p.setPen( QPen(Qt::black) );
p.setFont(font);
int lines = 1;
if (!stereotype.isEmpty()) {
p.drawText(offsetX + (COMPONENT_MARGIN*4), offsetY + (h/2) - fontHeight,
w - (COMPONENT_MARGIN*4), fontHeight, Qt::AlignCenter,
m_pObject->getStereotype(true));
lines = 2;
}
if ( UMLWidget::getIsInstance() ) {
font.setUnderline(true);
p.setFont(font);
name = UMLWidget::getInstanceName() + " : " + name;
}
if (lines == 1) {
p.drawText(offsetX + (COMPONENT_MARGIN*4), offsetY + (h/2) - (fontHeight/2),
w - (COMPONENT_MARGIN*4), fontHeight, Qt::AlignCenter, name );
} else {
p.drawText(offsetX + (COMPONENT_MARGIN*4), offsetY + (h/2),
w - (COMPONENT_MARGIN*4), fontHeight, Qt::AlignCenter, name );
}
if(m_bSelected) {
drawSelected(&p, offsetX, offsetY);
}
}
//! [2]
QRect BasicToolsPlugin::mouseMove(const QString &brush, QPainter &painter,
const QPoint &oldPos, const QPoint &newPos)
{
painter.save();
int rad = painter.pen().width() / 2;
QRect boundingRect = QRect(oldPos, newPos).normalized()
.adjusted(-rad, -rad, +rad, +rad);
QColor color = painter.pen().color();
int thickness = painter.pen().width();
QColor transparentColor(color.red(), color.green(), color.blue(), 0);
//! [2] //! [3]
if (brush == tr("Pencil")) {
painter.drawLine(oldPos, newPos);
} else if (brush == tr("Air Brush")) {
int numSteps = 2 + (newPos - oldPos).manhattanLength() / 2;
painter.setBrush(QBrush(color, Qt::Dense6Pattern));
painter.setPen(Qt::NoPen);
for (int i = 0; i < numSteps; ++i) {
int x = oldPos.x() + i * (newPos.x() - oldPos.x()) / (numSteps - 1);
int y = oldPos.y() + i * (newPos.y() - oldPos.y()) / (numSteps - 1);
painter.drawEllipse(x - (thickness / 2), y - (thickness / 2),
thickness, thickness);
}
} else if (brush == tr("Random Letters")) {
QChar ch('A' + (qrand() % 26));
QFont biggerFont = painter.font();
biggerFont.setBold(true);
biggerFont.setPointSize(biggerFont.pointSize() + thickness);
painter.setFont(biggerFont);
painter.drawText(newPos, QString(ch));
QFontMetrics metrics(painter.font());
boundingRect = metrics.boundingRect(ch);
boundingRect.translate(newPos);
boundingRect.adjust(-10, -10, +10, +10);
}
painter.restore();
return boundingRect;
}
QPen GraphicsContext::pen()
{
if (paintingDisabled())
return QPen();
QPainter *p = m_data->p();
return p->pen();
}
static inline void drawEllipse(const QPointF ¢er, qreal hDiameter, qreal vDiameter, const QColor &color, QPainter &painter)
{
const QPen oldPen = painter.pen();
QPen pen = oldPen;
pen.setColor(color);
painter.setPen(pen);
painter.drawEllipse(center, hDiameter / 2, vDiameter / 2);
painter.setPen(oldPen);
}
QPainter *BrushTool::getPainter(QPaintDevice *device)
{
QPainter *painter = Tool::getPainter(device);
QPen pen = painter->pen();
pen.setCapStyle(Qt::RoundCap);
painter->setPen(pen);
return painter;
}
void GraphicsContext::setPlatformStrokeColor(const Color& color)
{
if (paintingDisabled())
return;
QPainter *p = m_data->p();
QPen newPen(p->pen());
newPen.setColor(color);
p->setPen(newPen);
}
void GraphicsContext::setPlatformStrokeStyle(const StrokeStyle& strokeStyle)
{
if (paintingDisabled())
return;
QPainter *p = m_data->p();
QPen newPen(p->pen());
newPen.setStyle(toQPenStyle(strokeStyle));
p->setPen(newPen);
}
void GraphicsContext::setPlatformStrokeThickness(float thickness)
{
if (paintingDisabled())
return;
QPainter *p = m_data->p();
QPen newPen(p->pen());
newPen.setWidthF(thickness);
p->setPen(newPen);
}