#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 "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"

Enumerations
enum	eOvelapDescrition { STRIP_OVERLAP_NONE , STRIP_OVERLAP_IS_FULL , STRIP_OVERLAP_IS_INSIDE , STRIP_OVERLAP_LEFT_SIDE , STRIP_OVERLAP_RIGHT_SIDE }

Functions
bool	SEQ_transform_single_image_check (const Sequence *seq)

bool	SEQ_transform_seqbase_isolated_sel_check (ListBase *seqbase)

bool	SEQ_transform_sequence_can_be_translated (const Sequence *seq)

bool	SEQ_transform_test_overlap_seq_seq (const Scene scene, Sequence seq1, Sequence *seq2)

bool	SEQ_transform_test_overlap (const Scene scene, ListBase seqbasep, Sequence *test)

void	SEQ_transform_translate_sequence (Scene evil_scene, Sequence seq, int delta)

bool	SEQ_transform_seqbase_shuffle_ex (ListBase seqbasep, Sequence test, Scene *evil_scene, int channel_delta)

bool	SEQ_transform_seqbase_shuffle (ListBase seqbasep, Sequence test, Scene *evil_scene)

static bool	shuffle_seq_test_overlap (const Scene scene, const Sequence seq1, const Sequence *seq2, const int offset)

static int	shuffle_seq_time_offset_get (const Scene scene, blender::Span< Sequence > strips_to_shuffle, ListBase *seqbasep, char dir)

bool	SEQ_transform_seqbase_shuffle_time (blender::Span< Sequence * > strips_to_shuffle, ListBase seqbasep, Scene evil_scene, ListBase *markers, const bool 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)

static blender::VectorSet< Sequence * >	extract_standalone_strips (blender::Span< Sequence * > transformed_strips)

static blender::VectorSet< Sequence * >	query_right_side_strips (const Scene scene, ListBase seqbase, blender::Span< Sequence * > transformed_strips, blender::Span< Sequence * > time_dependent_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)

static blender::VectorSet< Sequence * >	query_overwrite_targets (const Scene scene, ListBase seqbasep, blender::Span< Sequence * > transformed_strips)

static eOvelapDescrition	overlap_description_get (const Scene scene, const Sequence transformed, const Sequence *target)

static void	seq_transform_handle_overwrite_split (Scene scene, ListBase seqbasep, const Sequence transformed, Sequence target)

static void	seq_transform_handle_overwrite_trim (Scene scene, ListBase seqbasep, const Sequence transformed, Sequence target, const eOvelapDescrition overlap)

static void	seq_transform_handle_overwrite (Scene scene, ListBase seqbasep, blender::Span< Sequence * > transformed_strips)

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)

void	SEQ_transform_handle_overlap (Scene scene, ListBase seqbasep, blender::Span< Sequence * > transformed_strips, bool 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)

void	SEQ_transform_offset_after_frame (Scene scene, ListBase seqbase, const int delta, const int timeline_frame)

bool	SEQ_transform_is_locked (ListBase channels, const Sequence seq)

void	SEQ_image_transform_mirror_factor_get (const Sequence *seq, float r_mirror[2])

void	SEQ_image_transform_origin_offset_pixelspace_get (const Scene scene, const Sequence seq, float r_origin[2])

static void	seq_image_transform_quad_get_ex (const Scene scene, const Sequence seq, bool apply_rotation, float r_quad[4][2])

void	SEQ_image_transform_quad_get (const Scene scene, const Sequence seq, bool apply_rotation, float r_quad[4][2])

void	SEQ_image_transform_final_quad_get (const Scene scene, const Sequence seq, float r_quad[4][2])

void	SEQ_image_preview_unit_to_px (const Scene *scene, const float co_src[2], float co_dst[2])

void	SEQ_image_preview_unit_from_px (const Scene *scene, const float co_src[2], float co_dst[2])

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])

Enumeration Type Documentation

◆ eOvelapDescrition

enum eOvelapDescrition

Enumerator
STRIP_OVERLAP_NONE
STRIP_OVERLAP_IS_FULL
STRIP_OVERLAP_IS_INSIDE
STRIP_OVERLAP_LEFT_SIDE
STRIP_OVERLAP_RIGHT_SIDE

Definition at line 378 of file strip_transform.cc.

Function Documentation

◆ extract_standalone_strips()

static blender::VectorSet< Sequence * > extract_standalone_strips ( blender::Span< Sequence * > transformed_strips )

static

Definition at line 280 of file strip_transform.cc.

References blender::VectorSet< Key, ProbingStrategy, Hash, IsEqual, Slot, Allocator >::add(), and SEQ_TYPE_EFFECT.

Referenced by seq_transform_handle_expand_to_fit(), and seq_transform_handle_overlap_shuffle().

◆ overlap_description_get()

static eOvelapDescrition overlap_description_get	(	const Scene *	scene,
		const Sequence *	transformed,
		const Sequence *	target )

static

Definition at line 390 of file strip_transform.cc.

References SEQ_time_left_handle_frame_get(), SEQ_time_right_handle_frame_get(), STRIP_OVERLAP_IS_FULL, STRIP_OVERLAP_IS_INSIDE, STRIP_OVERLAP_LEFT_SIDE, STRIP_OVERLAP_NONE, and STRIP_OVERLAP_RIGHT_SIDE.

Referenced by seq_transform_handle_overwrite().

◆ query_overwrite_targets()

static blender::VectorSet< Sequence * > query_overwrite_targets	(	const Scene *	scene,
		ListBase *	seqbasep,
		blender::Span< Sequence * >	transformed_strips )

static

Definition at line 357 of file strip_transform.cc.

References blender::Span< T >::contains(), blender::VectorSet< Key, ProbingStrategy, Hash, IsEqual, Slot, Allocator >::remove_if(), SEQ_query_unselected_strips(), and SEQ_transform_test_overlap_seq_seq().

Referenced by seq_transform_handle_overwrite().

◆ query_right_side_strips()

static blender::VectorSet< Sequence * > query_right_side_strips	(	const Scene *	scene,
		ListBase *	seqbase,
		blender::Span< Sequence * >	transformed_strips,
		blender::Span< Sequence * >	time_dependent_strips )

static

Definition at line 294 of file strip_transform.cc.

References blender::VectorSet< Key, ProbingStrategy, Hash, IsEqual, Slot, Allocator >::add(), blender::Span< T >::contains(), blender::Span< T >::is_empty(), LISTBASE_FOREACH, MAXFRAME, min_ii(), SELECT, and SEQ_time_left_handle_frame_get().

Referenced by seq_transform_handle_expand_to_fit().

◆ SEQ_image_preview_unit_from_px()

void SEQ_image_preview_unit_from_px	(	const Scene *	scene,
		const float	co_src[2],
		float	co_dst[2] )

Definition at line 719 of file strip_transform.cc.

Referenced by sequencer_set_2d_cursor_exec().

◆ SEQ_image_preview_unit_to_px()

void SEQ_image_preview_unit_to_px	(	const Scene *	scene,
		const float	co_src[2],
		float	co_dst[2] )

Definition at line 713 of file strip_transform.cc.

Referenced by calculateCenterCursor2D(), gizmo2d_calc_bounds(), gizmo2d_calc_transform_pivot(), sequencer_preview_region_draw(), and setTransformViewAspect().

◆ SEQ_image_transform_bounding_box_from_collection()

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] )

Get viewport axis aligned bounding box from a collection of sequences. The collection must have one or more strips

Parameters

scene	Scene in which strips are located
strips	Collection of strips to get the bounding box from
apply_rotation	Include sequence rotation transform in the bounding box calculation
r_min	Minimum x and y values
r_max	Maximum x and y values

Definition at line 725 of file strip_transform.cc.

References INIT_MINMAX2, minmax_v2v2_v2(), quad, and SEQ_image_transform_quad_get().

Referenced by gizmo2d_calc_bounds(), and seq_view_collection_rect_preview().

◆ SEQ_image_transform_final_quad_get()

void SEQ_image_transform_final_quad_get	(	const Scene *	scene,
		const Sequence *	seq,
		float	r_quad[4][2] )

Get 4 corner points of strip image. Corner vectors are in viewport space.

Parameters

scene	Scene in which strips are located
seq	Sequence to calculate transformed image quad
r_quad	array of 4 2D vectors

Definition at line 706 of file strip_transform.cc.

References seq_image_transform_quad_get_ex().

Referenced by get_strip_screen_quad(), seq_box_select_rect_image_isect(), seq_draw_image_origin_and_outline(), seq_point_image_isect(), seq_snap_source_points_build_preview(), and seq_snap_target_points_build_preview().

◆ SEQ_image_transform_mirror_factor_get()

void SEQ_image_transform_mirror_factor_get	(	const Sequence *	seq,
		float	r_mirror[2] )

Definition at line 606 of file strip_transform.cc.

References Sequence::flag, SEQ_FLIPX, and SEQ_FLIPY.

Referenced by gizmo2d_calc_rotation(), recalcData_sequencer_image(), SEQ_image_transform_origin_offset_pixelspace_get(), and seq_image_transform_quad_get_ex().

◆ SEQ_image_transform_origin_offset_pixelspace_get()

void SEQ_image_transform_origin_offset_pixelspace_get	(	const Scene *	scene,
		const Sequence *	seq,
		float	r_origin[2] )

Get strip transform origin offset from image center NOTE: This function does not apply axis mirror.

Parameters

scene	Scene in which strips are located
seq	Sequence to calculate image transform origin
r_origin	return value

Definition at line 619 of file strip_transform.cc.

References mul_v2_v2(), StripElem::orig_height, StripElem::orig_width, SEQ_image_transform_mirror_factor_get(), Sequence::strip, Strip::stripdata, Strip::transform, and StripTransform::xofs.

Referenced by seq_draw_image_origin_and_outline(), seq_get_strip_pivot_median(), seq_select_seq_from_preview(), seq_snap_source_points_build_preview(), seq_snap_target_points_build_preview(), and SeqToTransData().

◆ SEQ_image_transform_quad_get()

void SEQ_image_transform_quad_get	(	const Scene *	scene,
		const Sequence *	seq,
		bool	apply_rotation,
		float	r_quad[4][2] )

Get 4 corner points of strip image, optionally without rotation component applied. Corner vectors are in viewport space.

Parameters

scene	Scene in which strips are located
seq	Sequence to calculate transformed image quad
apply_rotation	Apply sequence rotation transform to the quad
r_quad	array of 4 2D vectors

Definition at line 698 of file strip_transform.cc.

References seq_image_transform_quad_get_ex().

Referenced by SEQ_image_transform_bounding_box_from_collection().

◆ seq_image_transform_quad_get_ex()

static void seq_image_transform_quad_get_ex	(	const Scene *	scene,
		const Sequence *	seq,
		bool	apply_rotation,
		float	r_quad[4][2] )

static

Definition at line 645 of file strip_transform.cc.

References axis_angle_to_mat3_single(), StripCrop::bottom, copy_v2_v2(), Strip::crop, ELEM, float, StripCrop::left, loc_rot_size_to_mat4(), mul_m4_v3(), mul_v2_v2(), StripElem::orig_height, StripElem::orig_width, StripCrop::right, SEQ_image_transform_mirror_factor_get(), SEQ_TYPE_IMAGE, SEQ_TYPE_MOVIE, Sequence::strip, Strip::stripdata, StripCrop::top, Strip::transform, transform_pivot_set_m4(), Sequence::type, and zero_v3().

Referenced by SEQ_image_transform_final_quad_get(), and SEQ_image_transform_quad_get().

◆ seq_transform_handle_expand_to_fit()

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 )

static

Definition at line 325 of file strip_transform.cc.

References extract_standalone_strips(), markers, query_right_side_strips(), SEQ_MAX_CHANNELS, and SEQ_transform_seqbase_shuffle_time().

Referenced by SEQ_transform_handle_overlap().

◆ SEQ_transform_handle_overlap() [1/2]

void SEQ_transform_handle_overlap	(	Scene *	scene,
		ListBase *	seqbasep,
		blender::Span< Sequence * >	transformed_strips,
		blender::Span< Sequence * >	time_dependent_strips,
		bool	use_sync_markers )

Definition at line 546 of file strip_transform.cc.

References SEQ_OVERLAP_EXPAND, SEQ_OVERLAP_OVERWRITE, SEQ_OVERLAP_SHUFFLE, SEQ_tool_settings_overlap_mode_get(), seq_transform_handle_expand_to_fit(), seq_transform_handle_overlap_shuffle(), seq_transform_handle_overwrite(), SEQ_transform_seqbase_shuffle(), and SEQ_transform_test_overlap().

◆ SEQ_transform_handle_overlap() [2/2]

void SEQ_transform_handle_overlap	(	Scene *	scene,
		ListBase *	seqbasep,
		blender::Span< Sequence * >	transformed_strips,
		bool	use_sync_markers )

Definition at line 537 of file strip_transform.cc.

References SEQ_transform_handle_overlap().

Referenced by freeSeqData(), freeSeqData(), retiming_key_overlap(), seq_load_apply_generic_options(), SEQ_transform_handle_overlap(), sequencer_add_movie_multiple_strips(), and sequencer_add_movie_single_strip().

◆ seq_transform_handle_overlap_shuffle()

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 )

static

Definition at line 523 of file strip_transform.cc.

References extract_standalone_strips(), markers, and SEQ_transform_seqbase_shuffle_time().

Referenced by SEQ_transform_handle_overlap().

◆ seq_transform_handle_overwrite()

static void seq_transform_handle_overwrite	(	Scene *	scene,
		ListBase *	seqbasep,
		blender::Span< Sequence * >	transformed_strips )

static

Definition at line 486 of file strip_transform.cc.

References blender::VectorSet< Key, ProbingStrategy, Hash, IsEqual, Slot, Allocator >::add(), ELEM, blender::VectorSet< Key, ProbingStrategy, Hash, IsEqual, Slot, Allocator >::is_empty(), overlap_description_get(), query_overwrite_targets(), SEQ_edit_flag_for_removal(), SEQ_edit_remove_flagged_sequences(), seq_transform_handle_overwrite_split(), seq_transform_handle_overwrite_trim(), STRIP_OVERLAP_IS_FULL, STRIP_OVERLAP_IS_INSIDE, STRIP_OVERLAP_LEFT_SIDE, and STRIP_OVERLAP_RIGHT_SIDE.

Referenced by SEQ_transform_handle_overlap().

◆ seq_transform_handle_overwrite_split()

static void seq_transform_handle_overwrite_split	(	Scene *	scene,
		ListBase *	seqbasep,
		const Sequence *	transformed,
		Sequence *	target )

static

Definition at line 426 of file strip_transform.cc.

References SEQ_edit_flag_for_removal(), SEQ_edit_remove_flagged_sequences(), SEQ_edit_strip_split(), SEQ_SPLIT_SOFT, SEQ_time_left_handle_frame_get(), and SEQ_time_right_handle_frame_get().

Referenced by seq_transform_handle_overwrite().

◆ seq_transform_handle_overwrite_trim()

static void seq_transform_handle_overwrite_trim	(	Scene *	scene,
		ListBase *	seqbasep,
		const Sequence *	transformed,
		Sequence *	target,
		const eOvelapDescrition	overlap )

static

Definition at line 455 of file strip_transform.cc.

References BLI_assert, SEQ_effect_get_num_inputs(), SEQ_iterator_set_expand(), SEQ_query_by_reference(), SEQ_query_strip_effect_chain(), SEQ_time_left_handle_frame_get(), SEQ_time_left_handle_frame_set(), SEQ_time_right_handle_frame_get(), SEQ_time_right_handle_frame_set(), SEQ_TYPE_EFFECT, STRIP_OVERLAP_LEFT_SIDE, and STRIP_OVERLAP_RIGHT_SIDE.

Referenced by seq_transform_handle_overwrite().

◆ SEQ_transform_is_locked()

bool SEQ_transform_is_locked	(	ListBase *	channels,
		const Sequence *	seq )

Check if seq can be moved. This function also checks SeqTimelineChannel flag.

Definition at line 599 of file strip_transform.cc.

References Sequence::flag, Sequence::machine, SEQ_channel_get_by_index(), SEQ_channel_is_locked(), SEQ_IGNORE_CHANNEL_LOCK, and SEQ_LOCK.

Referenced by ED_sequencer_can_select_handle(), screen_ctx_selected_editable_sequences(), seq_edit_split_operation_permitted_check(), SeqTransInfo(), sequencer_mute_exec(), sequencer_offset_clear_exec(), sequencer_slip_strips(), sequencer_snap_exec(), sequencer_swap_exec(), sequencer_unmute_exec(), strip_data_handle_flags_set(), and strip_data_lock_flags_set().

◆ SEQ_transform_offset_after_frame()

void SEQ_transform_offset_after_frame	(	Scene *	scene,
		ListBase *	seqbase,
		int	delta,
		int	timeline_frame )

Move strips and markers (if not locked) that start after timeline_frame by delta frames

Parameters

scene	Scene in which strips are located
seqbase	ListBase in which strips are located
delta	offset in frames to be applied
timeline_frame	frame on timeline from where strips are moved

Definition at line 578 of file strip_transform.cc.

References LISTBASE_FOREACH, SEQ_relations_invalidate_cache_preprocessed(), SEQ_time_left_handle_frame_get(), and SEQ_transform_translate_sequence().

Referenced by SEQ_edit_remove_gaps(), and sequencer_gap_insert_exec().

◆ SEQ_transform_seqbase_isolated_sel_check()

bool SEQ_transform_seqbase_isolated_sel_check ( ListBase * seqbase )

Check if the selected seq's reference unselected seq's.

Definition at line 38 of file strip_transform.cc.

References LISTBASE_FOREACH, SELECT, and SEQ_TYPE_EFFECT.

Referenced by sequencer_clipboard_copy_exec(), and sequencer_meta_make_exec().

◆ SEQ_transform_seqbase_shuffle()

bool SEQ_transform_seqbase_shuffle	(	ListBase *	seqbasep,
		Sequence *	test,
		Scene *	evil_scene )

Definition at line 174 of file strip_transform.cc.

References SEQ_transform_seqbase_shuffle_ex().

Referenced by segment_speed_set_exec(), SEQ_edit_move_strip_to_seqbase(), seq_load_apply_generic_options(), seq_transform_cancel(), SEQ_transform_handle_overlap(), sequencer_clipboard_paste_exec(), sequencer_meta_make_exec(), sequencer_meta_separate_exec(), sequencer_offset_clear_exec(), sequencer_reload_exec(), sequencer_separate_images_exec(), sequencer_snap_exec(), sequencer_swap_exec(), and strip_speed_set_exec().

◆ SEQ_transform_seqbase_shuffle_ex()

bool SEQ_transform_seqbase_shuffle_ex	(	ListBase *	seqbasep,
		Sequence *	test,
		Scene *	evil_scene,
		int	channel_delta )

Returns: 0 if there weren't enough space.

Definition at line 135 of file strip_transform.cc.

References BLI_assert, ELEM, LISTBASE_FOREACH, Sequence::machine, max_ii(), SEQ_is_valid_strip_channel(), SEQ_MAX_CHANNELS, SEQ_time_left_handle_frame_get(), SEQ_time_right_handle_frame_get(), SEQ_transform_test_overlap(), SEQ_transform_translate_sequence(), and Sequence::start.

Referenced by SEQ_transform_seqbase_shuffle().

◆ SEQ_transform_seqbase_shuffle_time() [1/2]

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 )

Definition at line 244 of file strip_transform.cc.

References false, blender::Span< T >::is_empty(), LISTBASE_FOREACH, ToolSettings::lock_markers, markers, SELECT, SEQ_offset_animdata(), SEQ_transform_translate_sequence(), shuffle_seq_time_offset_get(), and Scene::toolsettings.

◆ SEQ_transform_seqbase_shuffle_time() [2/2]

bool SEQ_transform_seqbase_shuffle_time	(	blender::Span< Sequence * >	strips_to_shuffle,
		ListBase *	seqbasep,
		Scene *	evil_scene,
		ListBase *	markers,
		const bool	use_sync_markers )