File indexing completed on 2025-01-05 03:57:24

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2017-05-24
  * Description : video frame effects manager.
  *
  * SPDX-FileCopyrightText: 2017-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "effectmngr_p.h"
 
 namespace Digikam
 {
 
 int EffectMngr::Private::effectKenBurnsPanLR(bool aInit)
 {
     if (aInit)
     {
         eff_step = 0;
     }
 
     QRectF fRect(eff_image.rect());
 
     // This effect zoom to 80 percents and pan from left to right.
 
     double nx = eff_step * ((eff_image.width() - eff_image.width() * 0.8) / eff_imgFrames);
     double ny = (eff_image.height() - eff_image.height() * 0.8) / 2.0;
     double nh = eff_image.height() * 0.8;
     double nw = eff_image.width()  * 0.8;
     fRect.setTopLeft(QPointF(nx, ny));
     fRect.setSize(QSize(nw, nh));
 
     updateCurrentFrame(fRect);
 
     eff_step++;
 
     if (eff_step != eff_imgFrames)
     {
         return 15;
     }
 
     return -1;
 }
 
 int EffectMngr::Private::effectKenBurnsPanRL(bool aInit)
 {
     if (aInit)
     {
         eff_step = 0;
     }
 
     QRectF fRect(eff_image.rect());
 
     // This effect zoom to 80 percents and pan from right to left.
 
     double nx = eff_step * ((eff_image.width() - eff_image.width() * 0.8) / eff_imgFrames);
     double ny = (eff_image.height() - eff_image.height() * 0.8) / 2.0;
     double nh = eff_image.height() * 0.8;
     double nw = eff_image.width()  * 0.8;
     fRect.setTopLeft(QPointF(eff_image.width() - nw - nx, ny));
     fRect.setSize(QSize(nw, nh));
 
     updateCurrentFrame(fRect);
 
     eff_step++;
 
     if (eff_step != eff_imgFrames)
     {
         return 15;
     }
 
     return -1;
 }
 
 int EffectMngr::Private::effectKenBurnsPanTB(bool aInit)
 {
     if (aInit)
     {
         eff_step = 0;
     }
 
     QRectF fRect(eff_image.rect());
 
     // This effect zoom to 80 percents and pan from top to bottom.
 
     double nx = (eff_image.width() - eff_image.width() * 0.8) / 2.0;
     double ny = eff_step * ((eff_image.height() - eff_image.height() * 0.8) / eff_imgFrames);
     double nh = eff_image.height() * 0.8;
     double nw = eff_image.width()  * 0.8;
     fRect.setTopLeft(QPointF(nx, ny));
     fRect.setSize(QSize(nw, nh));
 
     updateCurrentFrame(fRect);
 
     eff_step++;
 
     if (eff_step != eff_imgFrames)
     {
         return 15;
     }
 
     return -1;
 }
 
 int EffectMngr::Private::effectKenBurnsPanBT(bool aInit)
 {
     if (aInit)
     {
         eff_step = 0;
     }
 
     QRectF fRect(eff_image.rect());
 
     // This effect zoom to 80 percents and pan from bottom to top.
 
     double nx = (eff_image.width() - eff_image.width() * 0.8) / 2.0;
     double ny = eff_step * ((eff_image.height() - eff_image.height() * 0.8) / eff_imgFrames);
     double nh = eff_image.height() * 0.8;
     double nw = eff_image.width()  * 0.8;
     fRect.setTopLeft(QPointF(nx, eff_image.height() - nh - ny));
     fRect.setSize(QSize(nw, nh));
 
     updateCurrentFrame(fRect);
 
     eff_step++;
 
     if (eff_step != eff_imgFrames)
     {
         return 15;
     }
 
     return -1;
 }
 
 } // namespace Digikam