132 lines
3.1 KiB
C
132 lines
3.1 KiB
C
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/***********************************************************************
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* This file is part of Scanned Image Extract.
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*
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* Scanned Image Extract 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 3 of the License, or
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* (at your option) any later version.
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*
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* Scanned Image Extract 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 Scanned Image Extract. If not, see <http://www.gnu.org/licenses/>
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*
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*
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* Copyright (C) 2015, Dominik Rueß; info@dominik-ruess.de
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**********************************************************************/
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#ifndef TARGETIMAGE_H
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#define TARGETIMAGE_H
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#include "imageboundary.h"
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#include <QPixmap>
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#include <QDebug>
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#include <QtCore/qmath.h>
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#ifdef __GNUC__
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#include <tr1/memory>
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#endif
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class BackMap
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{
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public:
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BackMap(const double angle,
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const QPointF translation,
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const QSizeF size,
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const double scale)
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{
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const double c = qCos(angle), s = qSin(angle);
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rotation[0] = c;
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rotation[1] = -s;
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rotation[2] = s;
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rotation[3] = c;
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this->translation[0] = translation.x();
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this->translation[1] = translation.y();
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this->size[0] = size.width();
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this->size[1] = size.height();
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this->scale = scale;
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}
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inline void transform(const QPointF& input, float& x, float& y)
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{
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QPointF preTrans(input.x() - 0.5*size[0]*scale,
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input.y() - 0.5*size[1]*scale);
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x = rotation[0] * preTrans.x() + rotation[1] * preTrans.y() + translation[0]*scale;
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y = rotation[2] * preTrans.x() + rotation[3] * preTrans.y() + translation[1]*scale;
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}
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private:
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double scale;
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double size[2];
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double rotation[4];
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double translation[2];
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};
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typedef std::tr1::shared_ptr<BackMap> BackMapPtr;
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enum Rotation90
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{
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TargetRotation0 = 0,
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TargetRotation90 = 1,
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TargetRotation180 = 2,
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TargetRotation270 = 3
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};
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struct TargetImage
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{
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ImageBoundaryPtr boundary;
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QImage image;
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Rotation90 rotation;
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int determinedRotation;
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TargetImage()
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: boundary(new ImageBoundary)
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, rotation(TargetRotation0)
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, width(0)
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, height(0)
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, copyId(-1)
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, workOnId(++nextId)
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, aspect(-1.0)
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{}
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TargetImage(ImageBoundaryPtr newB)
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: boundary(newB)
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, rotation(TargetRotation0)
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, width(0)
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, height(0)
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, copyId(-1)
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, workOnId(++nextId)
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, aspect(-1.0)
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{}
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~TargetImage()
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{
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backmap = BackMapPtr();
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boundary = ImageBoundaryPtr();
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}
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BackMapPtr backmap;
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int width;
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int height;
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int copyId;
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long int workOnId;
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float aspect;
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static int nextCopyId;
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private:
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static int nextId;
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};
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typedef std::shared_ptr<TargetImage> TargetImagePtr;
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#endif // TARGETIMAGE_H
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