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71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
/**
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* @file
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* @brief Header file for Timeline class
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* @author Jonathan Thomas <jonathan@openshot.org>
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*
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* @ref License
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*/
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/* LICENSE
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*
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* Copyright (c) 2008-2019 OpenShot Studios, LLC
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* <http://www.openshotstudios.com/>. This file is part of
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* OpenShot Library (libopenshot), an open-source project dedicated to
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* delivering high quality video editing and animation solutions to the
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* world. For more information visit <http://www.openshot.org/>.
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*
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* OpenShot Library (libopenshot) is free software: you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* OpenShot Library (libopenshot) is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPENSHOT_TIMELINE_BASE_H
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#define OPENSHOT_TIMELINE_BASE_H
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#include <cstdint>
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namespace openshot {
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/**
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* @brief This struct contains info about the current Timeline clip instance
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*
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* When the Timeline requests an openshot::Frame instance from a Clip, it passes
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* this struct along, with some additional details from the Timeline, such as if this clip is
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* above or below overlapping clips, etc... This info can help determine if a Clip should apply
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* global effects from the Timeline, such as a global Transition/Mask effect.
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*/
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struct TimelineInfoStruct
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{
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bool is_top_clip; ///< Is clip on top (if overlapping another clip)
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};
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/**
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* @brief This class represents a timeline (used for building generic timeline implementations)
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*/
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class TimelineBase {
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public:
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int preview_width; ///< Optional preview width of timeline image. If your preview window is smaller than the timeline, it's recommended to set this.
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int preview_height; ///< Optional preview width of timeline image. If your preview window is smaller than the timeline, it's recommended to set this.
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/// Constructor for the base timeline
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TimelineBase();
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/// This function will be overloaded in the Timeline class passing no arguments
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/// so we'll be able to access the Timeline::Clips() function from a pointer object of
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/// the TimelineBase class
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virtual void Clips(int test);
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};
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}
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#endif
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