99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
/* SPDX-FileCopyrightText: 2024 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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#include "DNA_listBase.h"
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#include "BLI_math_vector_types.hh"
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#include "BLI_set.hh"
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namespace blender {
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struct Depsgraph;
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struct ImBuf;
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struct Mask;
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struct RenderData;
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struct Scene;
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struct SeqTimelineChannel;
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struct Strip;
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namespace seq {
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/* Recursion protection while rendering a single sequencer frame.
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* If the same scene or strip is seen, recursion stops. */
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struct SeqRenderState {
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Set<Scene *> scenes_in_progress;
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Set<Strip *> strips_in_progress;
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};
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/* Strip corner coordinates in screen pixel space. Note that they might not be
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* axis aligned when rotation is present. */
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struct StripScreenQuad {
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float2 v0, v1, v2, v3;
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bool is_empty() const
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{
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return v0 == v1 && v2 == v3 && v0 == v2;
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}
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};
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/**
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* Result of rendering a strip: the produced image,
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* plus some auxiliary data.
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*/
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struct SeqResult {
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bool is_valid() const
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{
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return image != nullptr;
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}
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ImBuf *image = nullptr;
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/* How much the resulting image should be translated, in pixels. */
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float2 translation = float2(0, 0);
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bool is_opaque_before_transform = false;
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};
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SeqResult seq_render_give_ibuf_seqbase(const RenderData *context,
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SeqRenderState *state,
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float timeline_frame,
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int chan_shown,
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ListBaseT<SeqTimelineChannel> *channels,
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ListBaseT<Strip> *seqbasep);
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SeqResult seq_render_strip(const RenderData *context,
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SeqRenderState *state,
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Strip *strip,
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float timeline_frame);
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/* Renders Mask into an image suitable for sequencer:
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* RGB channels contain mask intensity; alpha channel is opaque. */
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ImBuf *seq_render_mask(Depsgraph *depsgraph,
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int width,
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int height,
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const Mask *mask,
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float frame_index,
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bool make_float);
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/* Converts image to sequencer color space, if needed. */
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void ensure_ibuf_is_sequencer_space(const Scene *scene, ImBuf *ibuf, bool make_float);
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void seq_imbuf_assign_spaces(const Scene *scene, ImBuf *ibuf);
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StripScreenQuad get_strip_screen_quad(const RenderData *context, const Strip *strip);
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void convert_multilayer_ibuf(ImBuf *ibuf);
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bool seq_image_strip_is_multiview_render(const Scene *scene,
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const Strip *strip,
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int totfiles,
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const char *filepath,
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char *r_prefix,
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const char *r_ext);
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} // namespace seq
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} // namespace blender
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