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/*
Scan Tailor - Interactive post-processing tool for scanned pages.
Copyright (C) Joseph Artsimovich <joseph.artsimovich@gmail.com>
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "PageOrientationPropagator.h"
#include "CompositeCacheDrivenTask.h"
#include "OrthogonalRotation.h"
#include "ProjectPages.h"
#include "PageSequence.h"
#include "PageView.h"
#include "PageInfo.h"
#include "filters/page_split/Filter.h"
#include "filter_dc/PageOrientationCollector.h"
class PageOrientationPropagator::Collector : public PageOrientationCollector
{
public:
virtual void process(OrthogonalRotation const& orientation) {
m_orientation = orientation;
}
OrthogonalRotation const& orientation() const { return m_orientation; }
private:
OrthogonalRotation m_orientation;
};
PageOrientationPropagator::PageOrientationPropagator(
IntrusivePtr<page_split::Filter> const& page_split_filter,
IntrusivePtr<CompositeCacheDrivenTask> const& task)
: m_ptrPageSplitFilter(page_split_filter),
m_ptrTask(task)
{
}
PageOrientationPropagator::~PageOrientationPropagator()
{
}
void
PageOrientationPropagator::propagate(ProjectPages const& pages)
{
PageSequence const sequence(pages.toPageSequence(PAGE_VIEW));
size_t const num_pages = sequence.numPages();
for (size_t i = 0; i < num_pages; ++i) {
PageInfo const& page_info = sequence.pageAt(i);
Collector collector;
m_ptrTask->process(page_info, &collector);
m_ptrPageSplitFilter->pageOrientationUpdate(
page_info.imageId(), collector.orientation()
);
}
}
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