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drawingcursor.hpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Guido Tack <tack@gecode.org>
5  *
6  * Copyright:
7  * Guido Tack, 2006
8  *
9  * Last modified:
10  * $Date: 2010-08-12 09:48:30 +0200 (Thu, 12 Aug 2010) $ by $Author: tack $
11  * $Revision: 11345 $
12  *
13  * This file is part of Gecode, the generic constraint
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15  * http://www.gecode.org
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37 
38 namespace Gecode { namespace Gist {
39 
40  inline void
42  x -= node()->getOffset();
43  y -= Layout::dist_y;
45  }
46 
47  forceinline bool
48  DrawingCursor::isClipped(void) {
49  if (clippingRect.width() == 0 && clippingRect.x() == 0
50  && clippingRect.height() == 0 && clippingRect.y() == 0)
51  return false;
53  return (x + b.left > clippingRect.x() + clippingRect.width() ||
54  x + b.right < clippingRect.x() ||
55  y > clippingRect.y() + clippingRect.height() ||
56  y + (node()->getShape()->depth()+1) * Layout::dist_y <
57  clippingRect.y());
58  }
59 
60  inline bool
63  !node()->isHidden() &&
65  !isClipped();
66  }
67 
68  inline void
71  x += node()->getOffset();
72  y += Layout::dist_y;
73  }
74 
75  inline void
77  x -= node()->getOffset();
79  x += node()->getOffset();
80  }
81 
82 
83 }}
84 // STATISTICS: gist-any
bool mayMoveDownwards(void)
Test if cursor may move to the first child node.
Definition: nodecursor.hpp:93
int right
Right coordinate.
Definition: visualnode.hh:61
int left
Left coordinate.
Definition: visualnode.hh:59
void moveUpwards(void)
Move cursor to the parent node.
Definition: nodecursor.hpp:76
BoundingBox getBoundingBox(void)
Return the bounding box.
Definition: visualnode.hpp:212
bool isHidden(void)
Return if node is hidden.
Definition: visualnode.hpp:133
bool mayMoveDownwards(void)
Test if cursor may move to child.
void moveDownwards(void)
Move cursor to the first child node.
Definition: nodecursor.hpp:99
void moveUpwards(void)
Move cursor to parent.
static const int dist_y
Definition: visualnode.hh:50
void moveSidewards(void)
Move cursor to the first sibling.
Definition: nodecursor.hpp:113
Shape * getShape(void)
Return the shape of this node.
Definition: visualnode.hpp:207
int depth(void) const
Return depth of the shape.
Definition: visualnode.hpp:64
bool childrenLayoutIsDone(void)
Return whether the layout of the node's children has been completed.
Definition: visualnode.hpp:167
#define forceinline
Definition: config.hpp:132
int getOffset(void)
Return offset off this node from its parent.
Definition: visualnode.hpp:151
void moveDownwards(void)
Move cursor to child.
VisualNode * node(void)
Return current node.
struct Gecode::@518::NNF::@57::@58 b
For binary nodes (and, or, eqv)
Gecode toplevel namespace
void moveSidewards(void)
Move cursor to sibling.