Sergey Sharybin
1300da6d39
Make it more obvious in the name that an operation is not cheap, and that the function operates on a tracks from object and does not need a global tracking structure.
117 lines
3.5 KiB
C++
117 lines
3.5 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2013 Blender Foundation. */
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#include "COM_PlaneTrackOperation.h"
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#include "DNA_defaults.h"
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#include "BKE_movieclip.h"
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#include "BKE_tracking.h"
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namespace blender::compositor {
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/* ******** PlaneTrackCommon ******** */
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PlaneTrackCommon::PlaneTrackCommon()
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{
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movie_clip_ = nullptr;
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framenumber_ = 0;
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tracking_object_name_[0] = '\0';
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plane_track_name_[0] = '\0';
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}
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void PlaneTrackCommon::read_and_calculate_corners(PlaneDistortBaseOperation *distort_op)
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{
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float corners[4][2];
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if (distort_op->motion_blur_samples_ == 1) {
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read_corners_from_track(corners, framenumber_);
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distort_op->calculate_corners(corners, true, 0);
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}
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else {
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const float frame = float(framenumber_) - distort_op->motion_blur_shutter_;
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const float frame_step = (distort_op->motion_blur_shutter_ * 2.0f) /
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distort_op->motion_blur_samples_;
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float frame_iter = frame;
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for (int sample = 0; sample < distort_op->motion_blur_samples_; sample++) {
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read_corners_from_track(corners, frame_iter);
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distort_op->calculate_corners(corners, true, sample);
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frame_iter += frame_step;
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}
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}
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}
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void PlaneTrackCommon::read_corners_from_track(float corners[4][2], float frame)
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{
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if (!movie_clip_) {
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return;
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}
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MovieTracking *tracking = &movie_clip_->tracking;
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MovieTrackingObject *tracking_object = BKE_tracking_object_get_named(tracking,
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tracking_object_name_);
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if (tracking_object) {
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MovieTrackingPlaneTrack *plane_track;
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plane_track = BKE_tracking_object_find_plane_track_with_name(tracking_object,
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plane_track_name_);
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if (plane_track) {
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float clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(movie_clip_, frame);
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BKE_tracking_plane_marker_get_subframe_corners(plane_track, clip_framenr, corners);
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}
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}
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}
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void PlaneTrackCommon::determine_canvas(const rcti &preferred_area, rcti &r_area)
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{
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r_area = COM_AREA_NONE;
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if (movie_clip_) {
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int width, height;
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MovieClipUser user = *DNA_struct_default_get(MovieClipUser);
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BKE_movieclip_user_set_frame(&user, framenumber_);
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BKE_movieclip_get_size(movie_clip_, &user, &width, &height);
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r_area = preferred_area;
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r_area.xmax = r_area.xmin + width;
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r_area.ymax = r_area.ymin + height;
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}
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}
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/* ******** PlaneTrackMaskOperation ******** */
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void PlaneTrackMaskOperation::init_data()
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{
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PlaneDistortMaskOperation::init_data();
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if (execution_model_ == eExecutionModel::FullFrame) {
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PlaneTrackCommon::read_and_calculate_corners(this);
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}
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}
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/* TODO(manzanilla): to be removed with tiled implementation. */
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void PlaneTrackMaskOperation::init_execution()
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{
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PlaneDistortMaskOperation::init_execution();
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if (execution_model_ == eExecutionModel::Tiled) {
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PlaneTrackCommon::read_and_calculate_corners(this);
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}
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}
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/* ******** PlaneTrackWarpImageOperation ******** */
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void PlaneTrackWarpImageOperation::init_data()
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{
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PlaneDistortWarpImageOperation::init_data();
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if (execution_model_ == eExecutionModel::FullFrame) {
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PlaneTrackCommon::read_and_calculate_corners(this);
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}
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}
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/* TODO(manzanilla): to be removed with tiled implementation. */
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void PlaneTrackWarpImageOperation::init_execution()
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{
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PlaneDistortWarpImageOperation::init_execution();
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if (execution_model_ == eExecutionModel::Tiled) {
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PlaneTrackCommon::read_and_calculate_corners(this);
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}
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}
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} // namespace blender::compositor
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