QPolygon QMatrix::map(const QPolygon &a) const { int size = a.size(); int i; QPolygon p(size); const QPoint *da = a.constData(); QPoint *dp = p.data(); for(i = 0; i < size; i++) { MAPINT(da[i].x(), da[i].y(), dp[i].rx(), dp[i].ry()); } return p; }
//! Wrapper for QPainter::drawPolyline() void QwtPainter::drawPolyline( QPainter *painter, const QPolygon &polygon ) { QRectF clipRect; const bool deviceClipping = qwtIsClippingNeeded( painter, clipRect ); QPolygon cpa = polygon; if ( deviceClipping ) cpa = QwtClipper::clipPolygon( clipRect, cpa ); qwtDrawPolyline<QPoint>( painter, cpa.constData(), cpa.size(), d_polylineSplitting ); }
void SourceItemDelegate::paintArrows(QPainter *p, const QStyleOptionViewItem &option, const QModelIndex &index) const { QTreeWidget *lv = _parent; if ( !lv ) return; SourceView* sv = (SourceView*) lv; SourceItem* item = static_cast<SourceItem*>(index.internalPointer()); const QRect& rect = option.rect; int height = rect.height(); p->save(); drawBackground(p, option, index); p->translate(rect.topLeft()); int marg = 1; int yy = height/2, y1, y2; QColor c; int start = -1, end = -1; TraceLineJump* lineJump = item->lineJump(); uint lineno = item->lineno(); TraceLineCall* lineCall = item->lineCall(); // draw line borders, detect start/stop of a line for(int i=0; i< item->jumpCount(); i++) { TraceLineJump* jump = item->jump(i); if (jump == 0) continue; y1 = 0; y2 = height; if (lineJump && (lineJump->lineTo() == jump->lineTo()) && (jump->lineFrom()->lineno() == lineno)) { if (start<0) start = i; if (lineJump == jump) { if (jump->lineTo()->lineno() <= lineno) y2 = yy; else y1 = yy; } } else if (!lineJump && !lineCall && (jump->lineTo()->lineno() == lineno)) { if (end<0) end = i; if (jump->lineFrom()->lineno() < lineno) y2 = yy; else y1 = yy; } c = jump->isCondJump() ? Qt::red : Qt::blue; p->fillRect( marg + 6*i, y1, 4, y2, c); p->setPen(c.light()); p->drawLine( marg + 6*i, y1, marg + 6*i, y2); p->setPen(c.dark()); p->drawLine( marg + 6*i +3, y1, marg + 6*i +3, y2); } // draw start/stop horizontal line int x, y = yy-2, w, h = 4; if (start >= 0) { c = item->jump(start)->isCondJump() ? Qt::red : Qt::blue; x = marg + 6*start; w = 6*(sv->arrowLevels() - start) + 10; p->fillRect( x, y, w, h, c); p->setPen(c.light()); p->drawLine(x, y, x+w-1, y); p->drawLine(x, y, x, y+h-1); p->setPen(c.dark()); p->drawLine(x+w-1, y, x+w-1, y+h-1); p->drawLine(x+1, y+h-1, x+w-1, y+h-1); } if (end >= 0) { c = item->jump(end)->isCondJump() ? Qt::red : Qt::blue; x = marg + 6*end; w = 6*(sv->arrowLevels() - end) + 10; QPolygon a; a.putPoints(0, 8, x,y+h, x,y, x+w-8,y, x+w-8,y-2, x+w,yy, x+w-8,y+h+2, x+w-8,y+h, x,y+h); p->setBrush(c); p->drawConvexPolygon(a); p->setPen(c.light()); p->drawPolyline(a.constData(), 5); p->setPen(c.dark()); p->drawPolyline(a.constData() + 4, 2); p->setPen(c.light()); p->drawPolyline(a.constData() + 5, 2); p->setPen(c.dark()); p->drawPolyline(a.constData() + 6, 2); } // draw inner vertical line for start/stop // this overwrites borders of horizontal line for(int i=0;i< item->jumpCount();i++) { TraceLineJump* jump = item->jump(i); if (jump == 0) continue; c = jump->isCondJump() ? Qt::red : Qt::blue; if (jump->lineFrom()->lineno() == lineno) { bool drawUp = true; if (jump->lineTo()->lineno() == lineno) if (start<0) drawUp = false; if (jump->lineTo()->lineno() > lineno) drawUp = false; if (drawUp) p->fillRect( marg + 6*i +1, 0, 2, yy, c); else p->fillRect( marg + 6*i +1, yy, 2, height-yy, c); } else if (jump->lineTo()->lineno() == lineno) { if (end<0) end = i; if (jump->lineFrom()->lineno() < lineno) p->fillRect( marg + 6*i +1, 0, 2, yy, c); else p->fillRect( marg + 6*i +1, yy, 2, height-yy, c); } } p->restore(); }