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qad/libs/blockview/blockviewwavetrace.h
2022-12-14 14:14:33 +03:00

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2.5 KiB
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/*
QAD - Qt ADvanced
Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef BLOCKVIEWWAVETRACE_H
#define BLOCKVIEWWAVETRACE_H
#include "blockitem.h"
#include "qad_blockview_export.h"
class QAD_BLOCKVIEW_EXPORT BlockViewWavetrace {
public:
BlockViewWavetrace(int width = 1, int height = 1);
enum CellState {
Empty = -1,
Blocked = -2,
HorizontalBus = -3,
VerticalBus = -4
};
enum Direction {
NoTrace,
Horizontal,
Vertical
};
int width() const { return wid; }
int height() const { return hei; }
void resize(int width, int height);
void resize(const QSize & sz) { resize(sz.width(), sz.height()); }
void fill(short val = -1);
void fill(const QRect & rect, short val = -1);
void fill(const QPoint & point, short val = -1) { fill(point.x(), point.y(), val); }
void fill(int px, int py, short val);
void fill(BlockViewWavetrace::CellState val = Empty) { fill((short)val); }
void fill(const QRect & rect, BlockViewWavetrace::CellState val = Empty) { fill(rect, (short)val); }
void fill(const QPoint & point, BlockViewWavetrace::CellState val = Empty) { fill(point, (short)val); }
void fill(int px, int py, BlockViewWavetrace::CellState val = Empty) { fill(px, py, (short)val); }
void clear() { fill(-1); }
bool trace(const QPoint & start, const QPoint & finish);
Direction preferredDirection() const { return dir_; }
void setPreferredDirection(Direction dir);
void setMaximumSteps(int steps) { max_steps = steps; }
int maximumSteps() const { return max_steps; }
void gatherPath();
const QVector<QPoint> & path() const;
private:
struct QAD_BLOCKVIEW_EXPORT Cell {
Cell(short v = Empty): value(v), direction(0) {}
short value;
short direction;
};
int wid, hei, max_steps;
Direction dir_;
QVector<QVector<Cell>> field;
QVector<QPoint> path_;
QVector<QPoint> jumps;
QPoint dps[4], st, fn;
};
#endif // BLOCKVIEWWAVETRACE_H