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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  * This file is part of Gecode, the generic constraint
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33 
34 namespace Gecode { namespace Gist {
35 
36  inline void
38  x -= node()->getOffset();
39  y -= Layout::dist_y;
41  }
42 
43  forceinline bool
44  DrawingCursor::isClipped(void) {
45  if (clippingRect.width() == 0 && clippingRect.x() == 0
46  && clippingRect.height() == 0 && clippingRect.y() == 0)
47  return false;
49  return (x + b.left > clippingRect.x() + clippingRect.width() ||
50  x + b.right < clippingRect.x() ||
51  y > clippingRect.y() + clippingRect.height() ||
52  y + (node()->getShape()->depth()+1) * Layout::dist_y <
53  clippingRect.y());
54  }
55 
56  inline bool
59  !node()->isHidden() &&
61  !isClipped();
62  }
63 
64  inline void
67  x += node()->getOffset();
68  y += Layout::dist_y;
69  }
70 
71  inline void
73  x -= node()->getOffset();
75  x += node()->getOffset();
76  }
77 
78 
79 }}
80 // STATISTICS: gist-any
void moveDownwards(void)
Move cursor to the first child node.
Definition: nodecursor.hpp:95
int getOffset(void)
Return offset off this node from its parent.
Definition: visualnode.hpp:147
void moveUpwards(void)
Move cursor to parent.
bool mayMoveDownwards(void)
Test if cursor may move to child.
void moveSidewards(void)
Move cursor to sibling.
Gecode toplevel namespace
static const int dist_y
Definition: visualnode.hh:46
void moveDownwards(void)
Move cursor to child.
bool childrenLayoutIsDone(void)
Return whether the layout of the node's children has been completed.
Definition: visualnode.hpp:163
struct Gecode::@602::NNF::@65::@66 b
For binary nodes (and, or, eqv)
void moveSidewards(void)
Move cursor to the first sibling.
Definition: nodecursor.hpp:109
BoundingBox getBoundingBox(void)
Return the bounding box.
Definition: visualnode.hpp:208
bool isHidden(void)
Return if node is hidden.
Definition: visualnode.hpp:129
Bounding box.
Definition: visualnode.hh:52
#define forceinline
Definition: config.hpp:192
bool mayMoveDownwards(void)
Test if cursor may move to the first child node.
Definition: nodecursor.hpp:89
void moveUpwards(void)
Move cursor to the parent node.
Definition: nodecursor.hpp:72
VisualNode * node(void)
Return current node.
Definition: nodecursor.hpp:46