File indexing completed on 2025-01-05 03:57:25

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2017-05-24
  * Description : images transition manager.
  *
  * SPDX-FileCopyrightText: 2017-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "transitionmngr_p.h"
 
 namespace Digikam
 {
 
 int TransitionMngr::Private::transitionSlideL2R(bool aInit)
 {
     if (aInit)
     {
         eff_fx = eff_outSize.width() / 25.0;
         eff_i  = 0;
     }
 
     QPainter bufferPainter(&eff_curFrame);
     bufferPainter.drawImage(0,     0, eff_outImage);
     bufferPainter.drawImage(eff_i, 0, eff_inImage);
     bufferPainter.end();
 
     eff_i = eff_i + lround(eff_fx);
 
     if (eff_i <= eff_outSize.width())
     {
         return 15;
     }
 
     eff_curFrame = eff_outImage;
 
     return -1;
 }
 
 int TransitionMngr::Private::transitionSlideR2L(bool aInit)
 {
     if (aInit)
     {
         eff_fx = eff_outSize.width() / 25.0;
         eff_i  = 0;
     }
 
     QPainter bufferPainter(&eff_curFrame);
     bufferPainter.drawImage(0,     0, eff_outImage);
     bufferPainter.drawImage(eff_i, 0, eff_inImage);
     bufferPainter.end();
 
     eff_i = eff_i - lround(eff_fx);
 
     if (eff_i >= -eff_outSize.width())
     {
         return 15;
     }
 
     eff_curFrame = eff_outImage;
 
     return -1;
 }
 
 int TransitionMngr::Private::transitionSlideT2B(bool aInit)
 {
     if (aInit)
     {
         eff_fy = eff_outSize.height() / 25.0;
         eff_i  = 0;
     }
 
     QPainter bufferPainter(&eff_curFrame);
     bufferPainter.drawImage(0, 0,     eff_outImage);
     bufferPainter.drawImage(0, eff_i, eff_inImage);
     bufferPainter.end();
 
     eff_i = eff_i + lround(eff_fy);
 
     if (eff_i <= eff_outSize.height())
     {
         return 15;
     }
 
     eff_curFrame = eff_outImage;
 
     return -1;
 }
 
 int TransitionMngr::Private::transitionSlideB2T(bool aInit)
 {
     if (aInit)
     {
         eff_fy = eff_outSize.height() / 25.0;
         eff_i  = 0;
     }
 
     QPainter bufferPainter(&eff_curFrame);
     bufferPainter.drawImage(0, 0,     eff_outImage);
     bufferPainter.drawImage(0, eff_i, eff_inImage);
     bufferPainter.end();
 
     eff_i = eff_i - lround(eff_fy);
 
     if (eff_i >= -eff_outSize.height())
     {
         return 15;
     }
 
     eff_curFrame = eff_outImage;
 
     return -1;
 }
 
 } // namespace Digikam