100 lines
3.3 KiB
C++
Executable File
100 lines
3.3 KiB
C++
Executable File
/***************************************************************************
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* This file is a part of SCode project *
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* IT - Instituto de Telecomunicacoes *
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* http://www.it.pt *
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* *
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* Copyright (C) 2008 by Ricardo N. Rocha Sardo *
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* ricardo.sardo@co.it.pt *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifndef SCODEGRID_H
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#define SCODEGRID_H
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#include <QRect>
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#include <QColor>
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#include <QPen>
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class QPoint;
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class QBitmap;
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class QPainter;
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namespace SCode
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{
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/**
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*
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*/
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class GridManager
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{
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public:
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enum Style
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{
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IntersectionDot = 0, IntersectionCross, Dashed, Solid
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};
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GridManager();
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void drawGrid( QPixmap &image, const QRect& area, QPainter *painter );
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/**
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* @returns a QRect defined by the grid that contains the point (x, y).
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*/
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QRect rectContains( int x, int y ) const;
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/**
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* This is an overloaded member function, provided for convenience.
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* @returns a QRect defined by the grid that contains the QPoint pos.
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*/
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QRect rectContains( const QPoint &pos ) const;
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/**
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* @returns @c true if the point (x, y) is over a grid crossing, otherwise
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* returns @c false
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*/
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bool contains( int x, int y );
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/**
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* @returns @c true if the point (x, y) is near a grid crossing, otherwise
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* returns @c false.
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* @see @p nearPos()
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*/
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bool isNear( int x, int y );
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/**
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* This is an overloaded member function, provided for convenience.
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* @returns @c true if the given point is near a grid crossing, otherwise
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* returns @c false.
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* @see @p nearPos()
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*/
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bool isNear( const QPoint &pos );
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/**
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* @returns the grid crossing position that is near the point (x,y). If
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* either the x or y are iqual to -1 (default) than returns the last near
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* grid position found by @p isNear().
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*/
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QPoint nearPos( int x = -1, int y = -1 );
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private:
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QPoint m_nearPos;
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};
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} // NameSpace SCode
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#endif // SCODEGRID_H
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