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/*
* 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 2
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright 2012, Blender Foundation.
*/
#pragma once
#include <string.h>
#include "COM_ConstantOperation.h"
#include "DNA_movieclip_types.h"
#include "DNA_tracking_types.h"
#include "BLI_listbase.h"
#include "BLI_string.h"
namespace blender::compositor {
/**
* Class with implementation of green screen gradient rasterization
*/
class TrackPositionOperation : public ConstantOperation {
protected:
MovieClip *movieClip_;
int framenumber_;
char trackingObjectName_[64];
char trackName_[64];
int axis_;
int position_;
int relativeFrame_;
bool speed_output_;
int width_, height_;
float markerPos_[2];
float relativePos_[2];
float track_position_;
bool is_track_position_calculated_;
/**
* Determine the output resolution. The resolution is retrieved from the Renderer
*/
void determine_canvas(const rcti &preferred_area, rcti &r_area) override;
public:
TrackPositionOperation();
void setMovieClip(MovieClip *clip)
{
movieClip_ = clip;
}
void setTrackingObject(char *object)
{
BLI_strncpy(trackingObjectName_, object, sizeof(trackingObjectName_));
}
void setTrackName(char *track)
{
BLI_strncpy(trackName_, track, sizeof(trackName_));
}
void setFramenumber(int framenumber)
{
framenumber_ = framenumber;
}
void setAxis(int value)
{
axis_ = value;
}
void setPosition(int value)
{
position_ = value;
}
void setRelativeFrame(int value)
{
relativeFrame_ = value;
}
void setSpeedOutput(bool speed_output)
{
speed_output_ = speed_output;
}
void initExecution() override;
void executePixelSampled(float output[4], float x, float y, PixelSampler sampler) override;
const float *get_constant_elem() override;
private:
void calc_track_position();
};
} // namespace blender::compositor
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