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1.8.3.1
gecode
gist
drawingcursor.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Guido Tack <tack@gecode.org>
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*
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* Copyright:
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* Guido Tack, 2006
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*
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* Last modified:
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* $Date: 2010-08-12 09:48:30 +0200 (Thu, 12 Aug 2010) $ by $Author: tack $
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* $Revision: 11345 $
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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namespace
Gecode {
namespace
Gist {
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inline
void
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DrawingCursor::moveUpwards
(
void
) {
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x -=
node
()->
getOffset
();
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y -=
Layout::dist_y
;
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NodeCursor<VisualNode>::moveUpwards
();
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}
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forceinline
bool
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DrawingCursor::isClipped(
void
) {
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if
(clippingRect.width() == 0 && clippingRect.x() == 0
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&& clippingRect.height() == 0 && clippingRect.y() == 0)
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return
false
;
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BoundingBox
b
=
node
()->
getBoundingBox
();
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return
(x + b.
left
> clippingRect.x() + clippingRect.width() ||
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x + b.
right
< clippingRect.x() ||
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y > clippingRect.y() + clippingRect.height() ||
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y + (
node
()->
getShape
()->
depth
()+1) *
Layout::dist_y
<
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clippingRect.y());
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}
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inline
bool
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DrawingCursor::mayMoveDownwards
(
void
) {
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return
NodeCursor<VisualNode>::mayMoveDownwards
() &&
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!
node
()->
isHidden
() &&
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node
()->
childrenLayoutIsDone
() &&
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!isClipped();
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}
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inline
void
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DrawingCursor::moveDownwards
(
void
) {
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NodeCursor<VisualNode>::moveDownwards
();
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x +=
node
()->
getOffset
();
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y +=
Layout::dist_y
;
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}
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inline
void
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DrawingCursor::moveSidewards
(
void
) {
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x -=
node
()->
getOffset
();
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NodeCursor<VisualNode>::moveSidewards
();
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x +=
node
()->
getOffset
();
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}
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}}
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// STATISTICS: gist-any