/*
 * LCD Image Converter. Converts images and fonts for embedded applications.
 * Copyright (C) 2016 riuson
 * mailto: riuson@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 "imagerotate.h"

#include "bitmaphelper.h"
#include "datacontainer.h"
#include "idocument.h"

namespace Operations
{

ImageRotate::ImageRotate(QObject* parent) : QObject(parent) { this->mAngle = Angle::None; }

bool ImageRotate::prepare(const Data::Containers::IDocument* doc, const QStringList& keys)
{
  Q_UNUSED(doc)
  Q_UNUSED(keys)
  return true;
}

void ImageRotate::applyDocument(Data::Containers::IDocument* doc, const QStringList& keys)
{
  Q_UNUSED(doc)
  Q_UNUSED(keys)
}

void ImageRotate::applyItem(Data::Containers::IDocument* doc, const QString& itemKey)
{
  const QImage* original = doc->dataContainer()->image(itemKey);
  QImage result;

  switch (this->mAngle) {
    case Angle::A90:
      result = Parsing::Conversion::BitmapHelper::rotate90(original);
      break;

    case Angle::A180:
      result = Parsing::Conversion::BitmapHelper::rotate180(original);
      break;

    case Angle::A270:
      result = Parsing::Conversion::BitmapHelper::rotate270(original);
      break;

    case Angle::None:
    default:
      result = *original;
      break;
  }

  doc->dataContainer()->setImage(itemKey, &result);
}

void ImageRotate::setAngle(Angle angle) { this->mAngle = angle; }

} // namespace Operations