142 lines
5.8 KiB
C
142 lines
5.8 KiB
C
/* SPDX-FileCopyrightText: 2004 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup sequencer
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct ListBase;
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struct Scene;
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struct SeqCollection;
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struct Sequence;
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bool SEQ_transform_sequence_can_be_translated(struct Sequence *seq);
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/**
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* Used so we can do a quick check for single image seq
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* since they work a bit differently to normal image seq's (during transform).
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*/
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bool SEQ_transform_single_image_check(struct Sequence *seq);
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bool SEQ_transform_test_overlap(const struct Scene *scene,
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struct ListBase *seqbasep,
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struct Sequence *test);
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bool SEQ_transform_test_overlap_seq_seq(const struct Scene *scene,
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struct Sequence *seq1,
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struct Sequence *seq2);
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void SEQ_transform_translate_sequence(struct Scene *evil_scene, struct Sequence *seq, int delta);
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/**
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* \return 0 if there weren't enough space.
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*/
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bool SEQ_transform_seqbase_shuffle_ex(struct ListBase *seqbasep,
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struct Sequence *test,
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struct Scene *evil_scene,
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int channel_delta);
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bool SEQ_transform_seqbase_shuffle(struct ListBase *seqbasep,
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struct Sequence *test,
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struct Scene *evil_scene);
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bool SEQ_transform_seqbase_shuffle_time(struct SeqCollection *strips_to_shuffle,
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struct SeqCollection *time_dependent_strips,
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struct ListBase *seqbasep,
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struct Scene *evil_scene,
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struct ListBase *markers,
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bool use_sync_markers);
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void SEQ_transform_handle_overlap(struct Scene *scene,
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struct ListBase *seqbasep,
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struct SeqCollection *transformed_strips,
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struct SeqCollection *time_dependent_strips,
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bool use_sync_markers);
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/**
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* Check if the selected seq's reference unselected seq's.
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*/
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bool SEQ_transform_seqbase_isolated_sel_check(struct ListBase *seqbase);
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/**
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* Move strips and markers (if not locked) that start after timeline_frame by delta frames
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*
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* \param scene: Scene in which strips are located
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* \param seqbase: ListBase in which strips are located
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* \param delta: offset in frames to be applied
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* \param timeline_frame: frame on timeline from where strips are moved
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*/
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void SEQ_transform_offset_after_frame(struct Scene *scene,
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struct ListBase *seqbase,
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int delta,
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int timeline_frame);
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/**
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* Check if `seq` can be moved.
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* This function also checks `SeqTimelineChannel` flag.
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*/
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bool SEQ_transform_is_locked(struct ListBase *channels, struct Sequence *seq);
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/* Image transformation. */
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void SEQ_image_transform_mirror_factor_get(const struct Sequence *seq, float r_mirror[2]);
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/**
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* Get strip transform origin offset from image center
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* NOTE: This function does not apply axis mirror.
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*
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* \param scene: Scene in which strips are located
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* \param seq: Sequence to calculate image transform origin
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* \param r_origin: return value
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*/
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void SEQ_image_transform_origin_offset_pixelspace_get(const struct Scene *scene,
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const struct Sequence *seq,
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float r_origin[2]);
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/**
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* Get 4 corner points of strip image, optionally without rotation component applied.
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* Corner vectors are in viewport space.
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*
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* \param scene: Scene in which strips are located
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* \param seq: Sequence to calculate transformed image quad
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* \param apply_rotation: Apply sequence rotation transform to the quad
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* \param r_quad: array of 4 2D vectors
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*/
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void SEQ_image_transform_quad_get(const struct Scene *scene,
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const struct Sequence *seq,
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bool apply_rotation,
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float r_quad[4][2]);
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/**
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* Get 4 corner points of strip image. Corner vectors are in viewport space.
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*
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* \param scene: Scene in which strips are located
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* \param seq: Sequence to calculate transformed image quad
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* \param r_quad: array of 4 2D vectors
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*/
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void SEQ_image_transform_final_quad_get(const struct Scene *scene,
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const struct Sequence *seq,
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float r_quad[4][2]);
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void SEQ_image_preview_unit_to_px(const struct Scene *scene,
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const float co_src[2],
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float co_dst[2]);
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void SEQ_image_preview_unit_from_px(const struct Scene *scene,
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const float co_src[2],
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float co_dst[2]);
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/**
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* Get viewport axis aligned bounding box from a collection of sequences.
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* The collection must have one or more strips
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*
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* \param scene: Scene in which strips are located
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* \param strips: Collection of strips to get the bounding box from
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* \param apply_rotation: Include sequence rotation transform in the bounding box calculation
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* \param r_min: Minimum x and y values
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* \param r_max: Maximum x and y values
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*/
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void SEQ_image_transform_bounding_box_from_collection(struct Scene *scene,
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struct SeqCollection *strips,
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bool apply_rotation,
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float r_min[2],
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float r_max[2]);
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#ifdef __cplusplus
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}
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#endif
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