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/*
* This file is part of Krita
*
* Copyright (c) 2006 Cyrille Berger <cberger@cberger.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KIS_GRID_DRAWER_H
#define KIS_GRID_DRAWER_H
#include <math.h>
#include <qobject.h>
#include <qpainter.h>
#include "kis_types.h"
#include "kis_point.h"
class KisSubPerspectiveGrid;
class GridDrawer {
public:
GridDrawer() {}
virtual ~GridDrawer() {}
public:
void drawGrid(KisImageSP image, const QRect& wr);
void drawPerspectiveGrid(KisImageSP image, const QRect& wr, const KisSubPerspectiveGrid* grid);
virtual void setPen(const QPen& pen) = 0;
virtual void drawLine(Q_INT32 x1, Q_INT32 y1, Q_INT32 x2, Q_INT32 y2) = 0;
inline void drawLine(const QPoint& p1, const QPoint& p2) { drawLine(p1.x(), p1.y(), p2.x(), p2.y() ); }
inline void drawLine(const KisPoint* p1, const KisPoint* p2) { drawLine( p1->roundQPoint(), p2->roundQPoint()); }
private:
Qt::PenStyle gs2style(Q_UINT32 s);
};
class QPainterGridDrawer : public GridDrawer {
public:
QPainterGridDrawer(QPainter *p) { m_painter = p; }
virtual void setPen(const QPen& pen) { m_painter->setPen(pen); }
virtual void drawLine(Q_INT32 x1, Q_INT32 y1, Q_INT32 x2, Q_INT32 y2) { m_painter->drawLine(x1, y1, x2, y2); }
private:
QPainter *m_painter;
};
class OpenGLGridDrawer : public GridDrawer {
public:
OpenGLGridDrawer();
virtual ~OpenGLGridDrawer();
virtual void setPen(const QPen& pen);
virtual void drawLine(Q_INT32 x1, Q_INT32 y1, Q_INT32 x2, Q_INT32 y2);
};
#endif
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