76377f0176
This is a code refactor in preparation of supporting canvas
compositing. See {D12466}.
No functional changes, all canvases are at (0,0) position matching
tiled implementation.
Differential Revision: https://developer.blender.org/D12465
139 lines
4.2 KiB
C++
139 lines
4.2 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright 2013, Blender Foundation.
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*/
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#include "COM_PlaneTrackOperation.h"
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#include "COM_ReadBufferOperation.h"
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#include "MEM_guardedalloc.h"
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#include "BLI_listbase.h"
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#include "BLI_math.h"
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#include "BLI_math_color.h"
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#include "BKE_movieclip.h"
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#include "BKE_node.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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this->m_movieClip = nullptr;
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this->m_framenumber = 0;
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this->m_trackingObjectName[0] = '\0';
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this->m_planeTrackName[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->m_motion_blur_samples == 1) {
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readCornersFromTrack(corners, this->m_framenumber);
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distort_op->calculateCorners(corners, true, 0);
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}
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else {
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const float frame = (float)this->m_framenumber - distort_op->m_motion_blur_shutter;
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const float frame_step = (distort_op->m_motion_blur_shutter * 2.0f) /
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distort_op->m_motion_blur_samples;
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float frame_iter = frame;
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for (int sample = 0; sample < distort_op->m_motion_blur_samples; sample++) {
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readCornersFromTrack(corners, frame_iter);
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distort_op->calculateCorners(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::readCornersFromTrack(float corners[4][2], float frame)
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{
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MovieTracking *tracking;
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MovieTrackingObject *object;
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if (!this->m_movieClip) {
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return;
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}
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tracking = &this->m_movieClip->tracking;
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object = BKE_tracking_object_get_named(tracking, this->m_trackingObjectName);
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if (object) {
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MovieTrackingPlaneTrack *plane_track;
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plane_track = BKE_tracking_plane_track_get_named(tracking, object, this->m_planeTrackName);
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if (plane_track) {
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float clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(this->m_movieClip, 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 (this->m_movieClip) {
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int width, height;
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MovieClipUser user = {0};
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BKE_movieclip_user_set_frame(&user, this->m_framenumber);
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BKE_movieclip_get_size(this->m_movieClip, &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::initExecution()
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{
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PlaneDistortMaskOperation::initExecution();
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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::initExecution()
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{
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PlaneDistortWarpImageOperation::initExecution();
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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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