/*
    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 "StageSequence.h"
#include "ProjectPages.h"

StageSequence::StageSequence(IntrusivePtr<ProjectPages> const& pages,
                             PageSelectionAccessor const& page_selection_accessor)
    :   m_ptrFixOrientationFilter(new fix_orientation::Filter(page_selection_accessor)),
        m_ptrPageSplitFilter(new page_split::Filter(pages, page_selection_accessor)),
        m_ptrDeskewFilter(new deskew::Filter(page_selection_accessor)),
        m_ptrSelectContentFilter(new select_content::Filter(page_selection_accessor)),
        m_ptrPageLayoutFilter(new page_layout::Filter(pages, page_selection_accessor)),
        m_ptrOutputFilter(new output::Filter(pages, page_selection_accessor))
{
    m_fixOrientationFilterIdx = m_filters.size();
    m_filters.push_back(m_ptrFixOrientationFilter);

    m_pageSplitFilterIdx = m_filters.size();
    m_filters.push_back(m_ptrPageSplitFilter);

    m_deskewFilterIdx = m_filters.size();
    m_filters.push_back(m_ptrDeskewFilter);

    m_selectContentFilterIdx = m_filters.size();
    m_filters.push_back(m_ptrSelectContentFilter);

    m_pageLayoutFilterIdx = m_filters.size();
    m_filters.push_back(m_ptrPageLayoutFilter);

    m_outputFilterIdx = m_filters.size();
    m_filters.push_back(m_ptrOutputFilter);
}

void
StageSequence::performRelinking(AbstractRelinker const& relinker)
{
    for (FilterPtr& filter : m_filters) {
        filter->performRelinking(relinker);
    }
}

int
StageSequence::findFilter(FilterPtr const& filter) const
{
    int idx = 0;
    for (FilterPtr const& f : m_filters) {
        if (f == filter) {
            return idx;
        }
        ++idx;
    }
    return -1;
}
