Jip J. Dekker
981be2067e
git-subtree-dir: software/gecode_on_replay git-subtree-split: 8051d92b9c89e49cccfbd1c201371580d7703ab4
81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/* -*- 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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* 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
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