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newspark110/lib/engine/rs_color.h
Chenwenxuan edac2715f0 init
2024-03-06 14:54:30 +08:00

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3.4 KiB
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/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2020 A. Stebich (librecad@mail.lordofbikes.de)
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** 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
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#ifndef RS_COLOR_H
#define RS_COLOR_H
#include <QColor>
#include "rs.h"
#include "rs_flags.h"
//! Color defined by layer not entity
//#define C_BY_LAYER 0x00000001
//! Color defined by block not entity
//#define C_BY_BLOCK 0x00000002
/**
* Color class.
*
* @author Andrew Mustun
*/
class RS_Color: public QColor, public RS_Flags {
public:
RS_Color() : QColor(), RS_Flags() {}
RS_Color(int r, int g, int b) : QColor(r, g, b), RS_Flags() {}
RS_Color(int r, int g, int b, int a) : QColor(r, g, b, a), RS_Flags() {}
RS_Color(const QColor& c) : QColor(c), RS_Flags() {}
RS_Color(const Qt::GlobalColor color) : QColor(color), RS_Flags() {}
RS_Color(const RS_Color& c) : QColor(c), RS_Flags() {
setFlags(c.getFlags());
}
RS_Color(unsigned int f) : QColor(), RS_Flags(f) {}
RS_Color(QString name) : QColor(name), RS_Flags() {}
/** @return A copy of this color without flags. */
RS_Color stripFlags() const {
return RS_Color(red(), green(), blue());
}
/** @return true if the color is defined by layer. */
bool isByLayer() const {
return getFlag(RS2::FlagByLayer);
}
/** @return true if the color is defined by block. */
bool isByBlock() const {
return getFlag(RS2::FlagByBlock);
}
QColor toQColor(void) const {
QColor c0;
c0.setRgb(red(),green(),blue());
return c0;
}
//These 3 methods are used for plugins
int toIntColor(void) const;
void fromIntColor(int co);
int colorDistance(const RS_Color& c) const;
enum {
Black = 0,
/**
* Minimum acceptable distance between two colors before visibility
* enhancement is required. Determined empirically.
*/
MinColorDistance = 20, //< in %
};
RS_Color& operator = (const RS_Color& c) {
setRgb(c.red(), c.green(), c.blue());
setFlags(c.getFlags());
return *this;
}
bool operator == (const RS_Color& c) const {
return (red()==c.red() &&
green()==c.green() &&
blue()==c.blue() &&
getFlags()==c.getFlags());
}
friend std::ostream& operator << (std::ostream& os, const RS_Color& c);
};
#endif