moved to shstk

libs/blockview/blockviewwavetrace.h

@@ -0,0 +1,71 @@
+/*
+	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