Richard Antalik
277fa2f441
This patch adds channel region to VSE timeline area for drawing channel headers. It is synchronizedwith timeline region. 3 basic features are implemented - channel visibility, locking and name. Channel data is stored in `SeqTimelineChannel` which can be top-level owned by `Editing`, or it is owned by meta strip to support nesting. Strip properties are completely independent and channel properties are applied on top of particular strip property, thus overriding it. Implementation is separate from channel regions in other editors. This is mainly because style and topology is quite different in VSE. But also code seems to be much more readable this way. Currently channels use functions similar to VSE timeline to draw background to provide illusion of transparency, but only for background and sfra/efra regions. Great portion of this patch is change from using strip visibility and lock status to include channel state - this is facilitated by functions `SEQ_transform_is_locked` and `SEQ_render_is_muted` Originally this included changes in D14263, but patch was split for easier review. Reviewed By: fsiddi, Severin Differential Revision: https://developer.blender.org/D13836
116 lines
3.7 KiB
C++
116 lines
3.7 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2004 Blender Foundation. All rights reserved. */
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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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#define SEQ_RENDER_THUMB_SIZE 256
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struct ListBase;
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struct Main;
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struct Scene;
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struct Sequence;
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typedef enum eSeqTaskId {
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SEQ_TASK_MAIN_RENDER,
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SEQ_TASK_PREFETCH_RENDER,
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} eSeqTaskId;
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typedef struct SeqRenderData {
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struct Main *bmain;
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struct Depsgraph *depsgraph;
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struct Scene *scene;
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int rectx;
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int recty;
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int preview_render_size;
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bool use_proxies;
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int for_render;
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int motion_blur_samples;
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float motion_blur_shutter;
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bool skip_cache;
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bool is_proxy_render;
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bool is_prefetch_render;
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int view_id;
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/* ID of task for assigning temp cache entries to particular task(thread, etc.) */
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eSeqTaskId task_id;
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/* special case for OpenGL render */
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struct GPUOffScreen *gpu_offscreen;
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// int gpu_samples;
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// bool gpu_full_samples;
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} SeqRenderData;
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/**
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* \return The image buffer or NULL.
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*
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* \note The returned #ImBuf has its reference increased, free after usage!
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*/
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struct ImBuf *SEQ_render_give_ibuf(const SeqRenderData *context,
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float timeline_frame,
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int chanshown);
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struct ImBuf *SEQ_render_give_ibuf_direct(const SeqRenderData *context,
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float timeline_frame,
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struct Sequence *seq);
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/**
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* Render the series of thumbnails and store in cache.
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*/
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void SEQ_render_thumbnails(const struct SeqRenderData *context,
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struct Sequence *seq,
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struct Sequence *seq_orig,
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float start_frame,
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float frame_step,
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rctf *view_area,
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const short *stop);
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/**
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* Get cached thumbnails.
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*/
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struct ImBuf *SEQ_get_thumbnail(const struct SeqRenderData *context,
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struct Sequence *seq,
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float timeline_frame,
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rcti *crop,
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bool clipped);
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/**
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* Get frame step for equally spaced thumbnails. These thumbnails should always be present in
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* memory, so they can be used when zooming.
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*/
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int SEQ_render_thumbnails_guaranteed_set_frame_step_get(const struct Sequence *seq);
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/**
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* Render set of evenly spaced thumbnails that are drawn when zooming..
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*/
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void SEQ_render_thumbnails_base_set(const struct SeqRenderData *context,
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struct Sequence *seq,
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struct Sequence *seq_orig,
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rctf *view_area,
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const short *stop);
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void SEQ_render_init_colorspace(struct Sequence *seq);
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void SEQ_render_new_render_data(struct Main *bmain,
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struct Depsgraph *depsgraph,
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struct Scene *scene,
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int rectx,
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int recty,
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int preview_render_size,
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int for_render,
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SeqRenderData *r_context);
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int SEQ_render_evaluate_frame(struct ListBase *seqbase, int timeline_frame);
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struct StripElem *SEQ_render_give_stripelem(struct Sequence *seq, int timeline_frame);
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void SEQ_render_imbuf_from_sequencer_space(struct Scene *scene, struct ImBuf *ibuf);
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void SEQ_render_pixel_from_sequencer_space_v4(struct Scene *scene, float pixel[4]);
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/**
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* Check if `seq` is muted for rendering.
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* This function also checks `SeqTimelineChannel` flag.
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*/
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bool SEQ_render_is_muted(const struct ListBase *channels, const struct Sequence *seq);
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#ifdef __cplusplus
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}
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#endif
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