Q3CanvasItemList Class Reference

#include <q3canvas.h>

Inheritance diagram for Q3CanvasItemList:

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Detailed Description

The Q3CanvasItemList class is a list of Q3CanvasItems.

Q3CanvasItemList is a Q3ValueList of pointers to {Q3CanvasItem}s. This class is used by some methods in Q3Canvas that need to return a list of canvas items.

The Q3ValueList documentation describes how to use this list.

See also:

QtCanvas, {Porting to Graphics View}

Definition at line 52 of file q3canvas.h.

Public Member Functions
void	sort ()
void	drawUnique (QPainter &painter)
Q3CanvasItemList	operator+ (const Q3CanvasItemList &l) const

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Member Function Documentation

void Q3CanvasItemList::sort

(

)

Definition at line 333 of file q3canvas.cpp.

References qHeapSort().

Referenced by Q3Canvas::drawCanvasArea(), and Q3CanvasChunk::sort().

{
    qHeapSort(*((Q3ValueList<Q3CanvasItemPtr>*)this));
}

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void Q3CanvasItemList::drawUnique

(

QPainter &

painter

)

Definition at line 341 of file q3canvas.cpp.

References QLinkedList< Q3CanvasItem * >::end(), Q3ValueList< Q3CanvasItem * >::fromLast(), and g.

Referenced by Q3Canvas::drawCanvasArea().

{
    Q3CanvasItem* prev=0;
    for (Iterator it=fromLast(); it!=end(); --it) {
  Q3CanvasItem *g=*it;
  if (g!=prev) {
      g->draw(painter);
      prev=g;
  }
    }
}

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Q3CanvasItemList Q3CanvasItemList::operator+

(

const Q3CanvasItemList &

l

)

const

Returns the concatenation of this list and list l.

Definition at line 356 of file q3canvas.cpp.

References Q3ValueList< T >::append(), and l.

{
    Q3CanvasItemList l2(*this);
    for(const_iterator it = l.begin(); it != l.end(); ++it)
       l2.append(*it);
    return l2;
}

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The documentation for this class was generated from the following files:

• src/qt3support/canvas/q3canvas.h
• src/qt3support/canvas/q3canvas.cpp

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