1 // Copyright (C) 2013-2016 CEA/DEN, EDF R&D, OPEN CASCADE
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #ifndef IMAGE_COMPOSER_OPERATOR_HEADER
21 #define IMAGE_COMPOSER_OPERATOR_HEADER
23 #include "ImageComposer.h"
32 class ImageComposer_Image;
34 const QColor TRANSPARENT( 255, 255, 255, 0 );
37 \class ImageComposer_Operator
38 Implementation of the base abstract operation for image composing
40 class IMAGE_COMPOSER_API ImageComposer_Operator
43 ImageComposer_Operator();
44 virtual ~ImageComposer_Operator();
46 void getArgs( QColor& theBackground ) const;
47 void setArgs( const QColor& theBackground );
49 QByteArray getBinArgs() const;
50 void setBinArgs( const QByteArray& );
53 Dumps arguments of operator to python script representation
54 @param theArrayName name of result \c QByteArray array variable
55 @return list of strings with python representation
57 QStringList dumpArgsToPython( QString& theArrayName ) const;
60 Return name of the operator.
61 @return name of the operator
63 virtual QString name() const = 0;
65 virtual ImageComposer_Image process( const QVariant& theObj1,
66 const QVariant& theObj2 ) const;
70 Calculate bounding rectangle for the result image
71 @param theObj1 first object to calculate
72 @param theObj2 second object to calculate
73 @return calculated bounding rectangle
75 virtual QRectF calcResultBoundingRect( const QVariant& theObj1,
76 const QVariant& theObj2 ) const = 0;
79 Draw result image using the given painter
80 @param thePainter the painter on the result image
81 @param theObj1 the first object to compose
82 @param theObj2 the second object to compose
84 virtual void drawResult( QPainter& thePainter, const QVariant& theObj1,
85 const QVariant& theObj2 ) const = 0;
87 virtual void storeArgs( QDataStream& theStream ) const;
88 virtual void restoreArgs( QDataStream& theStream );
91 friend class ImageComposerTests_TestOperators;
93 QColor myBackground; ///< the background color for result image