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tornavis/source/blender/sequencer/intern/strip_transform.cc

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/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
* SPDX-FileCopyrightText: 2003-2009 Blender Authors
* SPDX-FileCopyrightText: 2005-2006 Peter Schlaile <peter [at] schlaile [dot] de>
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup bke
*/
#include "DNA_scene_types.h"
#include "DNA_sequence_types.h"
#include "BLI_listbase.h"
#include "BLI_math_matrix.h"
#include "BLI_math_rotation.h"
#include "BLI_math_vector.h"
#include "BLI_math_vector_types.hh"
#include "BKE_main.h"
#include "BKE_scene.h"
#include "BKE_sound.h"
#include "SEQ_animation.hh"
#include "SEQ_channels.hh"
#include "SEQ_edit.hh"
#include "SEQ_effects.hh"
#include "SEQ_iterator.hh"
#include "SEQ_relations.hh"
#include "SEQ_sequencer.hh"
#include "SEQ_time.hh"
#include "SEQ_transform.hh"
#include "sequencer.hh"
#include "strip_time.hh"
#include "CLG_log.h"
bool SEQ_transform_single_image_check(Sequence *seq)
{
return (seq->flag & SEQ_SINGLE_FRAME_CONTENT) != 0;
}
bool SEQ_transform_seqbase_isolated_sel_check(ListBase *seqbase)
{
/* is there more than 1 select */
bool ok = false;
LISTBASE_FOREACH (Sequence *, seq, seqbase) {
if (seq->flag & SELECT) {
ok = true;
break;
}
}
if (ok == false) {
return false;
}
/* test relationships */
LISTBASE_FOREACH (Sequence *, seq, seqbase) {
if ((seq->type & SEQ_TYPE_EFFECT) == 0) {
continue;
}
if (seq->flag & SELECT) {
if ((seq->seq1 && (seq->seq1->flag & SELECT) == 0) ||
(seq->seq2 && (seq->seq2->flag & SELECT) == 0) ||
(seq->seq3 && (seq->seq3->flag & SELECT) == 0))
{
return false;
}
}
else {
if ((seq->seq1 && (seq->seq1->flag & SELECT)) || (seq->seq2 && (seq->seq2->flag & SELECT)) ||
(seq->seq3 && (seq->seq3->flag & SELECT)))
{
return false;
}
}
}
return true;
}
bool SEQ_transform_sequence_can_be_translated(Sequence *seq)
{
return !(seq->type & SEQ_TYPE_EFFECT) || (SEQ_effect_get_num_inputs(seq->type) == 0);
}
bool SEQ_transform_test_overlap_seq_seq(const Scene *scene, Sequence *seq1, Sequence *seq2)
{
return (seq1 != seq2 && seq1->machine == seq2->machine &&
((SEQ_time_right_handle_frame_get(scene, seq1) <=
SEQ_time_left_handle_frame_get(scene, seq2)) ||
(SEQ_time_left_handle_frame_get(scene, seq1) >=
SEQ_time_right_handle_frame_get(scene, seq2))) == 0);
}
bool SEQ_transform_test_overlap(const Scene *scene, ListBase *seqbasep, Sequence *test)
{
Sequence *seq;
seq = static_cast<Sequence *>(seqbasep->first);
while (seq) {
if (SEQ_transform_test_overlap_seq_seq(scene, test, seq)) {
return true;
}
seq = seq->next;
}
return false;
}
void SEQ_transform_translate_sequence(Scene *evil_scene, Sequence *seq, int delta)
{
if (delta == 0) {
return;
}
/* Meta strips requires their content is to be translated, and then frame range of the meta is
* updated based on nested strips. This won't work for empty meta-strips,
* so they can be treated as normal strip. */
if (seq->type == SEQ_TYPE_META && !BLI_listbase_is_empty(&seq->seqbase)) {
Sequence *seq_child;
for (seq_child = static_cast<Sequence *>(seq->seqbase.first); seq_child;
seq_child = seq_child->next)
{
SEQ_transform_translate_sequence(evil_scene, seq_child, delta);
}
/* Move meta start/end points. */
seq_time_translate_handles(evil_scene, seq, delta);
}
else if (seq->seq1 == nullptr && seq->seq2 == nullptr) { /* All other strip types. */
seq->start += delta;
/* Only to make files usable in older versions. */
seq->startdisp = SEQ_time_left_handle_frame_get(evil_scene, seq);
seq->enddisp = SEQ_time_right_handle_frame_get(evil_scene, seq);
}
SEQ_offset_animdata(evil_scene, seq, delta);
blender::Span effects = seq_sequence_lookup_effects_by_seq(evil_scene, seq);
seq_time_update_effects_strip_range(evil_scene, effects);
SEQ_time_update_meta_strip_range(evil_scene, seq_sequence_lookup_meta_by_seq(evil_scene, seq));
}
bool SEQ_transform_seqbase_shuffle_ex(ListBase *seqbasep,
Sequence *test,
Scene *evil_scene,
int channel_delta)
{
const int orig_machine = test->machine;
BLI_assert(ELEM(channel_delta, -1, 1));
test->machine += channel_delta;
while (SEQ_transform_test_overlap(evil_scene, seqbasep, test)) {
if ((channel_delta > 0) ? (test->machine >= MAXSEQ) : (test->machine < 1)) {
break;
}
test->machine += channel_delta;
}
if (!SEQ_valid_strip_channel(test)) {
/* Blender 2.4x would remove the strip.
* nicer to move it to the end */
int new_frame = SEQ_time_right_handle_frame_get(evil_scene, test);
LISTBASE_FOREACH (Sequence *, seq, seqbasep) {
if (seq->machine == orig_machine) {
new_frame = max_ii(new_frame, SEQ_time_right_handle_frame_get(evil_scene, seq));
}
}
test->machine = orig_machine;
new_frame = new_frame + (test->start - SEQ_time_left_handle_frame_get(
evil_scene, test)); /* adjust by the startdisp */
SEQ_transform_translate_sequence(evil_scene, test, new_frame - test->start);
return false;
}
return true;
}
bool SEQ_transform_seqbase_shuffle(ListBase *seqbasep, Sequence *test, Scene *evil_scene)
{
return SEQ_transform_seqbase_shuffle_ex(seqbasep, test, evil_scene, 1);
}
static bool shuffle_seq_test_overlap(const Scene *scene,
const Sequence *seq1,
const Sequence *seq2,
const int offset)
{
BLI_assert(seq1 != seq2);
return (seq1->machine == seq2->machine &&
((SEQ_time_right_handle_frame_get(scene, seq1) + offset <=
SEQ_time_left_handle_frame_get(scene, seq2)) ||
(SEQ_time_left_handle_frame_get(scene, seq1) + offset >=
SEQ_time_right_handle_frame_get(scene, seq2))) == 0);
}
static int shuffle_seq_time_offset_get(const Scene *scene,
blender::Span<Sequence *> strips_to_shuffle,
ListBase *seqbasep,
char dir)
{
int offset = 0;
bool all_conflicts_resolved = false;
while (!all_conflicts_resolved) {
all_conflicts_resolved = true;
for (Sequence *seq : strips_to_shuffle) {
LISTBASE_FOREACH (Sequence *, seq_other, seqbasep) {
if (strips_to_shuffle.contains(seq_other)) {
continue;
}
if (SEQ_relation_is_effect_of_strip(seq_other, seq)) {
continue;
}
if (!shuffle_seq_test_overlap(scene, seq, seq_other, offset)) {
continue;
}
all_conflicts_resolved = false;
if (dir == 'L') {
offset = min_ii(offset,
SEQ_time_left_handle_frame_get(scene, seq_other) -
SEQ_time_right_handle_frame_get(scene, seq));
}
else {
offset = max_ii(offset,
SEQ_time_right_handle_frame_get(scene, seq_other) -
SEQ_time_left_handle_frame_get(scene, seq));
}
}
}
}
return offset;
}
bool SEQ_transform_seqbase_shuffle_time(blender::Span<Sequence *> strips_to_shuffle,
ListBase *seqbasep,
Scene *evil_scene,
ListBase *markers,
const bool use_sync_markers)
{
blender::VectorSet<Sequence *> empty_set;
return SEQ_transform_seqbase_shuffle_time(
strips_to_shuffle, empty_set, seqbasep, evil_scene, markers, use_sync_markers);
}
bool SEQ_transform_seqbase_shuffle_time(blender::Span<Sequence *> strips_to_shuffle,
blender::Span<Sequence *> time_dependent_strips,
ListBase *seqbasep,
Scene *evil_scene,
ListBase *markers,
const bool use_sync_markers)
{
int offset_l = shuffle_seq_time_offset_get(evil_scene, strips_to_shuffle, seqbasep, 'L');
int offset_r = shuffle_seq_time_offset_get(evil_scene, strips_to_shuffle, seqbasep, 'R');
int offset = (-offset_l < offset_r) ? offset_l : offset_r;
if (offset) {
for (Sequence *seq : strips_to_shuffle) {
SEQ_transform_translate_sequence(evil_scene, seq, offset);
seq->flag &= ~SEQ_OVERLAP;
}
if (!time_dependent_strips.is_empty()) {
for (Sequence *seq : time_dependent_strips) {
SEQ_offset_animdata(evil_scene, seq, offset);
}
}
if (use_sync_markers && !(evil_scene->toolsettings->lock_markers) && (markers != nullptr)) {
/* affect selected markers - it's unlikely that we will want to affect all in this way? */
LISTBASE_FOREACH (TimeMarker *, marker, markers) {
if (marker->flag & SELECT) {
marker->frame += offset;
}
}
}
}
return offset ? false : true;
}
static blender::VectorSet<Sequence *> extract_standalone_strips(
blender::Span<Sequence *> transformed_strips)
{
blender::VectorSet<Sequence *> standalone_strips;
for (Sequence *seq : transformed_strips) {
if ((seq->type & SEQ_TYPE_EFFECT) == 0 || seq->seq1 == nullptr) {
standalone_strips.add(seq);
}
}
return standalone_strips;
}
/* Query strips positioned after left edge of transformed strips bound-box. */
static blender::VectorSet<Sequence *> query_right_side_strips(
const Scene *scene,
ListBase *seqbase,
blender::Span<Sequence *> transformed_strips,
blender::Span<Sequence *> time_dependent_strips)
{
int minframe = MAXFRAME;
{
for (Sequence *seq : transformed_strips) {
minframe = min_ii(minframe, SEQ_time_left_handle_frame_get(scene, seq));
}
}
blender::VectorSet<Sequence *> right_side_strips;
LISTBASE_FOREACH (Sequence *, seq, seqbase) {
if (!time_dependent_strips.is_empty() && time_dependent_strips.contains(seq)) {
continue;
}
if (transformed_strips.contains(seq)) {
continue;
}
if ((seq->flag & SELECT) == 0 && SEQ_time_left_handle_frame_get(scene, seq) >= minframe) {
right_side_strips.add(seq);
}
}
return right_side_strips;
}
/* Offset all strips positioned after left edge of transformed strips bound-box by amount equal
* to overlap of transformed strips. */
static void seq_transform_handle_expand_to_fit(Scene *scene,
ListBase *seqbasep,
blender::Span<Sequence *> transformed_strips,
blender::Span<Sequence *> time_dependent_strips,
bool use_sync_markers)
{
ListBase *markers = &scene->markers;
blender::VectorSet right_side_strips = query_right_side_strips(
scene, seqbasep, transformed_strips, time_dependent_strips);
/* Temporarily move right side strips beyond timeline boundary. */
for (Sequence *seq : right_side_strips) {
seq->machine += MAXSEQ * 2;
}
/* Shuffle transformed standalone strips. This is because transformed strips can overlap with
* strips on left side. */
blender::VectorSet standalone_strips = extract_standalone_strips(transformed_strips);
SEQ_transform_seqbase_shuffle_time(
standalone_strips, time_dependent_strips, seqbasep, scene, markers, use_sync_markers);
/* Move temporarily moved strips back to their original place and tag for shuffling. */
for (Sequence *seq : right_side_strips) {
seq->machine -= MAXSEQ * 2;
}
/* Shuffle again to displace strips on right side. Final effect shuffling is done in
* SEQ_transform_handle_overlap. */
SEQ_transform_seqbase_shuffle_time(
right_side_strips, seqbasep, scene, markers, use_sync_markers);
}
static blender::VectorSet<Sequence *> query_overwrite_targets(
const Scene *scene, ListBase *seqbasep, blender::Span<Sequence *> transformed_strips)
{
blender::VectorSet<Sequence *> overwrite_targets = SEQ_query_unselected_strips(seqbasep);
/* Effects of transformed strips can be unselected. These must not be included. */
overwrite_targets.remove_if([&](Sequence *seq) { return transformed_strips.contains(seq); });
overwrite_targets.remove_if([&](Sequence *seq) {
bool does_overlap = false;
for (Sequence *seq_transformed : transformed_strips) {
if (SEQ_transform_test_overlap_seq_seq(scene, seq, seq_transformed)) {
does_overlap = true;
}
}
return !does_overlap;
});
return overwrite_targets;
}
enum eOvelapDescrition {
/* No overlap. */
STRIP_OVERLAP_NONE,
/* Overlapping strip covers overlapped completely. */
STRIP_OVERLAP_IS_FULL,
/* Overlapping strip is inside overlapped. */
STRIP_OVERLAP_IS_INSIDE,
/* Partial overlap between 2 strips. */
STRIP_OVERLAP_LEFT_SIDE,
STRIP_OVERLAP_RIGHT_SIDE,
};
static eOvelapDescrition overlap_description_get(const Scene *scene,
const Sequence *transformed,
const Sequence *target)
{
if (SEQ_time_left_handle_frame_get(scene, transformed) <=
SEQ_time_left_handle_frame_get(scene, target) &&
SEQ_time_right_handle_frame_get(scene, transformed) >=
SEQ_time_right_handle_frame_get(scene, target))
{
return STRIP_OVERLAP_IS_FULL;
}
if (SEQ_time_left_handle_frame_get(scene, transformed) >
SEQ_time_left_handle_frame_get(scene, target) &&
SEQ_time_right_handle_frame_get(scene, transformed) <
SEQ_time_right_handle_frame_get(scene, target))
{
return STRIP_OVERLAP_IS_INSIDE;
}
if (SEQ_time_left_handle_frame_get(scene, transformed) <=
SEQ_time_left_handle_frame_get(scene, target) &&
SEQ_time_left_handle_frame_get(scene, target) <=
SEQ_time_right_handle_frame_get(scene, transformed))
{
return STRIP_OVERLAP_LEFT_SIDE;
}
if (SEQ_time_left_handle_frame_get(scene, transformed) <=
SEQ_time_right_handle_frame_get(scene, target) &&
SEQ_time_right_handle_frame_get(scene, target) <=
SEQ_time_right_handle_frame_get(scene, transformed))
{
return STRIP_OVERLAP_RIGHT_SIDE;
}
return STRIP_OVERLAP_NONE;
}
/* Split strip in 3 parts, remove middle part and fit transformed inside. */
static void seq_transform_handle_overwrite_split(Scene *scene,
ListBase *seqbasep,
const Sequence *transformed,
Sequence *target)
{
/* Because we are doing a soft split, bmain is not used in SEQ_edit_strip_split, so we can
* pass nullptr here. */
Main *bmain = nullptr;
Sequence *split_strip = SEQ_edit_strip_split(bmain,
scene,
seqbasep,
target,
SEQ_time_left_handle_frame_get(scene, transformed),
SEQ_SPLIT_SOFT,
nullptr);
SEQ_edit_strip_split(bmain,
scene,
seqbasep,
split_strip,
SEQ_time_right_handle_frame_get(scene, transformed),
SEQ_SPLIT_SOFT,
nullptr);
SEQ_edit_flag_for_removal(scene, seqbasep, split_strip);
SEQ_edit_remove_flagged_sequences(scene, seqbasep);
}
/* Trim strips by adjusting handle position.
* This is bit more complicated in case overlap happens on effect. */
static void seq_transform_handle_overwrite_trim(Scene *scene,
ListBase *seqbasep,
const Sequence *transformed,
Sequence *target,
const eOvelapDescrition overlap)
{
blender::VectorSet targets = SEQ_query_by_reference(
target, scene, seqbasep, SEQ_query_strip_effect_chain);
/* Expand collection by adding all target's children, effects and their children. */
if ((target->type & SEQ_TYPE_EFFECT) != 0) {
SEQ_iterator_set_expand(scene, seqbasep, targets, SEQ_query_strip_effect_chain);
}
/* Trim all non effects, that have influence on effect length which is overlapping. */
for (Sequence *seq : targets) {
if ((seq->type & SEQ_TYPE_EFFECT) != 0 && SEQ_effect_get_num_inputs(seq->type) > 0) {
continue;
}
if (overlap == STRIP_OVERLAP_LEFT_SIDE) {
SEQ_time_left_handle_frame_set(
scene, seq, SEQ_time_right_handle_frame_get(scene, transformed));
}
else {
BLI_assert(overlap == STRIP_OVERLAP_RIGHT_SIDE);
SEQ_time_right_handle_frame_set(
scene, seq, SEQ_time_left_handle_frame_get(scene, transformed));
}
}
}
static void seq_transform_handle_overwrite(Scene *scene,
ListBase *seqbasep,
blender::Span<Sequence *> transformed_strips)
{
blender::VectorSet targets = query_overwrite_targets(scene, seqbasep, transformed_strips);
blender::VectorSet<Sequence *> strips_to_delete;
for (Sequence *target : targets) {
for (Sequence *transformed : transformed_strips) {
if (transformed->machine != target->machine) {
continue;
}
const eOvelapDescrition overlap = overlap_description_get(scene, transformed, target);
if (overlap == STRIP_OVERLAP_IS_FULL) {
strips_to_delete.add(target);
}
else if (overlap == STRIP_OVERLAP_IS_INSIDE) {
seq_transform_handle_overwrite_split(scene, seqbasep, transformed, target);
}
else if (ELEM(overlap, STRIP_OVERLAP_LEFT_SIDE, STRIP_OVERLAP_RIGHT_SIDE)) {
seq_transform_handle_overwrite_trim(scene, seqbasep, transformed, target, overlap);
}
}
}
/* Remove covered strips. This must be done in separate loop, because
* `SEQ_edit_strip_split()` also uses `SEQ_edit_remove_flagged_sequences()`. See #91096. */
if (!strips_to_delete.is_empty()) {
for (Sequence *seq : strips_to_delete) {
SEQ_edit_flag_for_removal(scene, seqbasep, seq);
}
SEQ_edit_remove_flagged_sequences(scene, seqbasep);
}
}
static void seq_transform_handle_overlap_shuffle(Scene *scene,
ListBase *seqbasep,
blender::Span<Sequence *> transformed_strips,
blender::Span<Sequence *> time_dependent_strips,
bool use_sync_markers)
{
ListBase *markers = &scene->markers;
/* Shuffle non strips with no effects attached. */
blender::VectorSet standalone_strips = extract_standalone_strips(transformed_strips);
SEQ_transform_seqbase_shuffle_time(
standalone_strips, time_dependent_strips, seqbasep, scene, markers, use_sync_markers);
}
void SEQ_transform_handle_overlap(Scene *scene,
ListBase *seqbasep,
blender::Span<Sequence *> transformed_strips,
bool use_sync_markers)
{
blender::VectorSet<Sequence *> empty_set;
SEQ_transform_handle_overlap(scene, seqbasep, transformed_strips, empty_set, use_sync_markers);
}
void SEQ_transform_handle_overlap(Scene *scene,
ListBase *seqbasep,
blender::Span<Sequence *> transformed_strips,
blender::Span<Sequence *> time_dependent_strips,
bool use_sync_markers)
{
const eSeqOverlapMode overlap_mode = SEQ_tool_settings_overlap_mode_get(scene);
switch (overlap_mode) {
case SEQ_OVERLAP_EXPAND:
seq_transform_handle_expand_to_fit(
scene, seqbasep, transformed_strips, time_dependent_strips, use_sync_markers);
break;
case SEQ_OVERLAP_OVERWRITE:
seq_transform_handle_overwrite(scene, seqbasep, transformed_strips);
break;
case SEQ_OVERLAP_SHUFFLE:
seq_transform_handle_overlap_shuffle(
scene, seqbasep, transformed_strips, time_dependent_strips, use_sync_markers);
break;
}
/* If any effects still overlap, we need to move them up.
* In some cases other strips can be overlapping still, see #90646. */
for (Sequence *seq : transformed_strips) {
if (SEQ_transform_test_overlap(scene, seqbasep, seq)) {
SEQ_transform_seqbase_shuffle(seqbasep, seq, scene);
}
seq->flag &= ~SEQ_OVERLAP;
}
}
void SEQ_transform_offset_after_frame(Scene *scene,
ListBase *seqbase,
const int delta,
const int timeline_frame)
{
LISTBASE_FOREACH (Sequence *, seq, seqbase) {
if (SEQ_time_left_handle_frame_get(scene, seq) >= timeline_frame) {
SEQ_transform_translate_sequence(scene, seq, delta);
SEQ_relations_invalidate_cache_preprocessed(scene, seq);
}
}
if (!scene->toolsettings->lock_markers) {
LISTBASE_FOREACH (TimeMarker *, marker, &scene->markers) {
if (marker->frame >= timeline_frame) {
marker->frame += delta;
}
}
}
}
bool SEQ_transform_is_locked(ListBase *channels, Sequence *seq)
{
const SeqTimelineChannel *channel = SEQ_channel_get_by_index(channels, seq->machine);
return seq->flag & SEQ_LOCK ||
(SEQ_channel_is_locked(channel) && ((seq->flag & SEQ_IGNORE_CHANNEL_LOCK) == 0));
}
void SEQ_image_transform_mirror_factor_get(const Sequence *seq, float r_mirror[2])
{
r_mirror[0] = 1.0f;
r_mirror[1] = 1.0f;
if ((seq->flag & SEQ_FLIPX) != 0) {
r_mirror[0] = -1.0f;
}
if ((seq->flag & SEQ_FLIPY) != 0) {
r_mirror[1] = -1.0f;
}
}
void SEQ_image_transform_origin_offset_pixelspace_get(const Scene *scene,
const Sequence *seq,
float r_origin[2])
{
float image_size[2];
const StripElem *strip_elem = seq->strip->stripdata;
if (strip_elem == nullptr) {
image_size[0] = scene->r.xsch;
image_size[1] = scene->r.ysch;
}
else {
image_size[0] = strip_elem->orig_width;
image_size[1] = strip_elem->orig_height;
}
const StripTransform *transform = seq->strip->transform;
r_origin[0] = (image_size[0] * transform->origin[0]) - (image_size[0] * 0.5f) + transform->xofs;
r_origin[1] = (image_size[1] * transform->origin[1]) - (image_size[1] * 0.5f) + transform->yofs;
const float viewport_pixel_aspect[2] = {scene->r.xasp / scene->r.yasp, 1.0f};
float mirror[2];
SEQ_image_transform_mirror_factor_get(seq, mirror);
mul_v2_v2(r_origin, mirror);
mul_v2_v2(r_origin, viewport_pixel_aspect);
}
static void seq_image_transform_quad_get_ex(const Scene *scene,
const Sequence *seq,
bool apply_rotation,
float r_quad[4][2])
{
StripTransform *transform = seq->strip->transform;
const StripCrop *crop = seq->strip->crop;
int image_size[2] = {scene->r.xsch, scene->r.ysch};
if (ELEM(seq->type, SEQ_TYPE_MOVIE, SEQ_TYPE_IMAGE)) {
image_size[0] = seq->strip->stripdata->orig_width;
image_size[1] = seq->strip->stripdata->orig_height;
}
float transform_matrix[4][4];
float rotation_matrix[3][3];
axis_angle_to_mat3_single(rotation_matrix, 'Z', apply_rotation ? transform->rotation : 0.0f);
loc_rot_size_to_mat4(transform_matrix,
blender::float3{transform->xofs, transform->yofs, 0.0f},
rotation_matrix,
blender::float3{transform->scale_x, transform->scale_y, 1.0f});
const float origin[2] = {image_size[0] * transform->origin[0],
image_size[1] * transform->origin[1]};
const float pivot[3] = {origin[0] - (image_size[0] / 2), origin[1] - (image_size[1] / 2), 0.0f};
transform_pivot_set_m4(transform_matrix, pivot);
float quad_temp[4][3];
for (int i = 0; i < 4; i++) {
zero_v2(quad_temp[i]);
}
quad_temp[0][0] = (image_size[0] / 2) - crop->right;
quad_temp[0][1] = (image_size[1] / 2) - crop->top;
quad_temp[1][0] = (image_size[0] / 2) - crop->right;
quad_temp[1][1] = (-image_size[1] / 2) + crop->bottom;
quad_temp[2][0] = (-image_size[0] / 2) + crop->left;
quad_temp[2][1] = (-image_size[1] / 2) + crop->bottom;
quad_temp[3][0] = (-image_size[0] / 2) + crop->left;
quad_temp[3][1] = (image_size[1] / 2) - crop->top;
float mirror[2];
SEQ_image_transform_mirror_factor_get(seq, mirror);
const float viewport_pixel_aspect[2] = {scene->r.xasp / scene->r.yasp, 1.0f};
for (int i = 0; i < 4; i++) {
mul_m4_v3(transform_matrix, quad_temp[i]);
mul_v2_v2(quad_temp[i], mirror);
mul_v2_v2(quad_temp[i], viewport_pixel_aspect);
copy_v2_v2(r_quad[i], quad_temp[i]);
}
}
void SEQ_image_transform_quad_get(const Scene *scene,
const Sequence *seq,
bool apply_rotation,
float r_quad[4][2])
{
seq_image_transform_quad_get_ex(scene, seq, apply_rotation, r_quad);
}
void SEQ_image_transform_final_quad_get(const Scene *scene,
const Sequence *seq,
float r_quad[4][2])
{
seq_image_transform_quad_get_ex(scene, seq, true, r_quad);
}
void SEQ_image_preview_unit_to_px(const Scene *scene, const float co_src[2], float co_dst[2])
{
co_dst[0] = co_src[0] * scene->r.xsch;
co_dst[1] = co_src[1] * scene->r.ysch;
}
void SEQ_image_preview_unit_from_px(const Scene *scene, const float co_src[2], float co_dst[2])
{
co_dst[0] = co_src[0] / scene->r.xsch;
co_dst[1] = co_src[1] / scene->r.ysch;
}
void SEQ_image_transform_bounding_box_from_collection(Scene *scene,
blender::Span<Sequence *> strips,
bool apply_rotation,
float r_min[2],
float r_max[2])
{
INIT_MINMAX2(r_min, r_max);
for (Sequence *seq : strips) {
float quad[4][2];
SEQ_image_transform_quad_get(scene, seq, apply_rotation, quad);
for (int i = 0; i < 4; i++) {
minmax_v2v2_v2(r_min, r_max, quad[i]);
}
}
}
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