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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2013 Blender Foundation. */
#include "COM_PlaneTrackOperation.h"
#include "DNA_defaults.h"
#include "BKE_movieclip.h"
#include "BKE_tracking.h"
namespace blender::compositor {
/* ******** PlaneTrackCommon ******** */
PlaneTrackCommon::PlaneTrackCommon()
{
movie_clip_ = nullptr;
framenumber_ = 0;
tracking_object_name_[0] = '\0';
plane_track_name_[0] = '\0';
}
void PlaneTrackCommon::read_and_calculate_corners(PlaneDistortBaseOperation *distort_op)
{
float corners[4][2];
if (distort_op->motion_blur_samples_ == 1) {
read_corners_from_track(corners, framenumber_);
distort_op->calculate_corners(corners, true, 0);
}
else {
const float frame = float(framenumber_) - distort_op->motion_blur_shutter_;
const float frame_step = (distort_op->motion_blur_shutter_ * 2.0f) /
distort_op->motion_blur_samples_;
float frame_iter = frame;
for (int sample = 0; sample < distort_op->motion_blur_samples_; sample++) {
read_corners_from_track(corners, frame_iter);
distort_op->calculate_corners(corners, true, sample);
frame_iter += frame_step;
}
}
}
void PlaneTrackCommon::read_corners_from_track(float corners[4][2], float frame)
{
MovieTracking *tracking;
MovieTrackingObject *object;
if (!movie_clip_) {
return;
}
tracking = &movie_clip_->tracking;
object = BKE_tracking_object_get_named(tracking, tracking_object_name_);
if (object) {
MovieTrackingPlaneTrack *plane_track;
plane_track = BKE_tracking_plane_track_get_named(tracking, object, plane_track_name_);
if (plane_track) {
float clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(movie_clip_, frame);
BKE_tracking_plane_marker_get_subframe_corners(plane_track, clip_framenr, corners);
}
}
}
void PlaneTrackCommon::determine_canvas(const rcti &preferred_area, rcti &r_area)
{
r_area = COM_AREA_NONE;
if (movie_clip_) {
int width, height;
MovieClipUser user = *DNA_struct_default_get(MovieClipUser);
BKE_movieclip_user_set_frame(&user, framenumber_);
BKE_movieclip_get_size(movie_clip_, &user, &width, &height);
r_area = preferred_area;
r_area.xmax = r_area.xmin + width;
r_area.ymax = r_area.ymin + height;
}
}
/* ******** PlaneTrackMaskOperation ******** */
void PlaneTrackMaskOperation::init_data()
{
PlaneDistortMaskOperation::init_data();
if (execution_model_ == eExecutionModel::FullFrame) {
PlaneTrackCommon::read_and_calculate_corners(this);
}
}
/* TODO(manzanilla): to be removed with tiled implementation. */
void PlaneTrackMaskOperation::init_execution()
{
PlaneDistortMaskOperation::init_execution();
if (execution_model_ == eExecutionModel::Tiled) {
PlaneTrackCommon::read_and_calculate_corners(this);
}
}
/* ******** PlaneTrackWarpImageOperation ******** */
void PlaneTrackWarpImageOperation::init_data()
{
PlaneDistortWarpImageOperation::init_data();
if (execution_model_ == eExecutionModel::FullFrame) {
PlaneTrackCommon::read_and_calculate_corners(this);
}
}
/* TODO(manzanilla): to be removed with tiled implementation. */
void PlaneTrackWarpImageOperation::init_execution()
{
PlaneDistortWarpImageOperation::init_execution();
if (execution_model_ == eExecutionModel::Tiled) {
PlaneTrackCommon::read_and_calculate_corners(this);
}
}
} // namespace blender::compositor
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