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129 lines
3.3 KiB
129 lines
3.3 KiB
/*************************************************************************** |
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* Copyright (C) 2006 by Tobias Koenig <tokoe@kde.org> * |
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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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#include "rotationjob_p.h" |
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#include <QTransform> |
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using namespace Okular; |
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RotationJob::RotationJob(const QImage &image, Rotation oldRotation, Rotation newRotation, DocumentObserver *observer) |
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: ThreadWeaver::QObjectDecorator(new RotationJobInternal(image, oldRotation, newRotation)) |
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, mObserver(observer) |
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, m_pd(nullptr) |
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, mRect(NormalizedRect()) |
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, mIsPartialUpdate(false) |
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{ |
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} |
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void RotationJob::setPage(PagePrivate *pd) |
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{ |
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m_pd = pd; |
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} |
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void RotationJob::setRect(const NormalizedRect &rect) |
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{ |
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mRect = rect; |
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} |
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void RotationJob::setIsPartialUpdate(bool partialUpdate) |
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{ |
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mIsPartialUpdate = partialUpdate; |
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} |
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DocumentObserver *RotationJob::observer() const |
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{ |
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return mObserver; |
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} |
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PagePrivate *RotationJob::page() const |
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{ |
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return m_pd; |
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} |
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NormalizedRect RotationJob::rect() const |
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{ |
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return mRect; |
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} |
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bool RotationJob::isPartialUpdate() const |
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{ |
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return mIsPartialUpdate; |
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} |
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QTransform RotationJob::rotationMatrix(Rotation from, Rotation to) |
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{ |
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QTransform matrix; |
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if (from == Rotation0) { |
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if (to == Rotation90) |
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matrix.rotate(90); |
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else if (to == Rotation180) |
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matrix.rotate(180); |
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else if (to == Rotation270) |
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matrix.rotate(270); |
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} else if (from == Rotation90) { |
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if (to == Rotation180) |
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matrix.rotate(90); |
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else if (to == Rotation270) |
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matrix.rotate(180); |
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else if (to == Rotation0) |
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matrix.rotate(270); |
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} else if (from == Rotation180) { |
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if (to == Rotation270) |
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matrix.rotate(90); |
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else if (to == Rotation0) |
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matrix.rotate(180); |
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else if (to == Rotation90) |
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matrix.rotate(270); |
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} else if (from == Rotation270) { |
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if (to == Rotation0) |
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matrix.rotate(90); |
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else if (to == Rotation90) |
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matrix.rotate(180); |
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else if (to == Rotation180) |
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matrix.rotate(270); |
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} |
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return matrix; |
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} |
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RotationJobInternal::RotationJobInternal(const QImage &image, Rotation oldRotation, Rotation newRotation) |
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: mImage(image) |
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, mOldRotation(oldRotation) |
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, mNewRotation(newRotation) |
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{ |
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} |
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QImage RotationJobInternal::image() const |
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{ |
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return mRotatedImage; |
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} |
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Rotation RotationJobInternal::rotation() const |
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{ |
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return mNewRotation; |
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} |
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void RotationJobInternal::run(ThreadWeaver::JobPointer self, ThreadWeaver::Thread *thread) |
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{ |
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Q_UNUSED(self); |
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Q_UNUSED(thread); |
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if (mOldRotation == mNewRotation) { |
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mRotatedImage = mImage; |
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return; |
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} |
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const QTransform matrix = RotationJob::rotationMatrix(mOldRotation, mNewRotation); |
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mRotatedImage = mImage.transformed(matrix); |
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} |
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#include "moc_rotationjob_p.cpp"
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