bomatrixwidget.h from Boson at Krugle
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/*
This file is part of the Boson game
Copyright (C) 2003 Andreas Beckermann (b_mann@gmx.de)
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef BOMATRIXWIDGET_H
#define BOMATRIXWIDGET_H
#include <qwidget.h>
#include <lib3ds/types.h>
class BoMatrix;
class BoMatrixWidgetPrivate;
/**
* Display a matrix. We use a @ref QGrid here, in order to display it like this:
* <pre>
* 1 0 0 0
* 0 10 0 0
* 0 0 100 0
* 0 0 0 1
* </pre>
* and not like this
* <pre>
* 1 0 0 0
* 1 10 0 0
* 1 0 0 100 0
* 1 0 0 1
* </pre>
* @author Andreas Beckermann <b_mann@gmx.de>
**/
class BoMatrixWidget : public QWidget
{
Q_OBJECT
public:
BoMatrixWidget(QWidget* parent = 0, const char* name = 0);
~BoMatrixWidget();
void setMatrix(const BoMatrix* m);
void setMatrix(const BoMatrix& m);
void setMatrix(Lib3dsMatrix m);
void setIdentity();
void clear();
const BoMatrix& matrix() const;
void mark(unsigned int i);
void unmark(unsigned int i);
void setPrecision(int prec = 6) { mPrecision = prec; }
int precision() const { return mPrecision; }
/**
* Compare the of this widget matrix with @p matrix and @ref mark all
* elements, that don't match.
*
* @param diff The maximal differences that is treated as "equal". A
* perfect match happens rarely with floating point numbers, so using
* 0.0f is usually a bad idea.
**/
bool compareMatrices(const BoMatrix& matrix, float diff = 0.001f);
/**
* @overload
* This will use the matrix of @p widget as 2nd matrix and @ref mark the
* elements in both widgets.
**/
bool compareMatrices(BoMatrixWidget* widget, float diff = 0.001f);
private:
BoMatrixWidgetPrivate* d;
int mPrecision;
};
#include "boufo/boufo.h"
class BoUfoMatrixWidgetPrivate;
class BoUfoMatrixWidget : public BoUfoWidget
{
Q_OBJECT
public:
BoUfoMatrixWidget();
~BoUfoMatrixWidget();
void setMatrix(const BoMatrix* m);
void setMatrix(const BoMatrix& m);
void setMatrix(Lib3dsMatrix m);
void setIdentity();
void clear();
const BoMatrix& matrix() const;
void mark(unsigned int i);
void unmark(unsigned int i);
void setPrecision(int prec = 6) { mPrecision = prec; }
int precision() const { return mPrecision; }
/**
* Compare the of this widget matrix with @p matrix and @ref mark all
* elements, that don't match.
*
* @param diff The maximal differences that is treated as "equal". A
* perfect match happens rarely with floating point numbers, so using
* 0.0f is usually a bad idea.
**/
bool compareMatrices(const BoMatrix& matrix, float diff = 0.001f);
/**
* @overload
* This will use the matrix of @p widget as 2nd matrix and @ref mark the
* elements in both widgets.
**/
bool compareMatrices(BoUfoMatrixWidget* widget, float diff = 0.001f);
private:
BoUfoMatrixWidgetPrivate* d;
int mPrecision;
};
#endif
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