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test/source/blender/editors/space_sequencer/sequencer_timeline_draw.cc

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/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup spseq
*/
#include <cmath>
#include <cstring>
#include "BLI_blenlib.h"
#include "BLI_string_utils.hh"
#include "BLI_threads.h"
#include "BLI_utildefines.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_sound_types.h"
#include "DNA_space_types.h"
#include "DNA_userdef_types.h"
#include "BKE_context.hh"
#include "BKE_fcurve.hh"
#include "BKE_global.hh"
#include "BKE_sound.h"
#include "GPU_immediate.hh"
#include "GPU_viewport.hh"
#include "ED_anim_api.hh"
#include "ED_markers.hh"
#include "ED_mask.hh"
#include "ED_sequencer.hh"
#include "ED_space_api.hh"
#include "ED_time_scrub_ui.hh"
#include "RNA_prototypes.h"
#include "SEQ_channels.hh"
#include "SEQ_effects.hh"
#include "SEQ_prefetch.hh"
#include "SEQ_relations.hh"
#include "SEQ_render.hh"
#include "SEQ_select.hh"
#include "SEQ_sequencer.hh"
#include "SEQ_time.hh"
#include "SEQ_transform.hh"
#include "SEQ_utils.hh"
#include "UI_resources.hh"
#include "UI_view2d.hh"
#include "WM_api.hh"
#include "WM_types.hh"
#include "BLF_api.hh"
#include "MEM_guardedalloc.h"
/* Own include. */
#include "sequencer_intern.hh"
#include "sequencer_quads_batch.hh"
#define SEQ_LEFTHANDLE 1
#define SEQ_RIGHTHANDLE 2
#define SEQ_HANDLE_SIZE 8.0f
#define MUTE_ALPHA 120
struct StripDrawContext {
Sequence *seq;
/* Strip boundary in timeline space. Content start/end is clamped by left/right handle. */
float content_start, content_end, bottom, top;
float left_handle, right_handle; /* Position in frames. */
float strip_content_top; /* Position in timeline space without content and text overlay. */
float handle_width; /* Width of strip handle in frames. */
float strip_length;
bool can_draw_text_overlay;
bool can_draw_strip_content;
bool strip_is_too_small; /* Shorthand for (!can_draw_text_overlay && !can_draw_strip_content). */
bool is_active_strip;
bool is_single_image; /* Strip has single frame of content. */
bool show_strip_color_tag;
};
struct TimelineDrawContext {
const bContext *C;
ARegion *region;
Scene *scene;
SpaceSeq *sseq;
View2D *v2d;
Editing *ed;
ListBase *channels;
GPUViewport *viewport;
GPUFrameBuffer *framebuffer_overlay;
float pixelx, pixely; /* Width and height of pixel in timeline space. */
SeqQuadsBatch *quads;
};
static TimelineDrawContext timeline_draw_context_get(const bContext *C)
{
TimelineDrawContext ctx;
ctx.C = C;
ctx.region = CTX_wm_region(C);
ctx.scene = CTX_data_scene(C);
ctx.sseq = CTX_wm_space_seq(C);
ctx.v2d = UI_view2d_fromcontext(C);
ctx.ed = SEQ_editing_get(ctx.scene);
ctx.channels = ctx.ed ? SEQ_channels_displayed_get(ctx.ed) : nullptr;
ctx.viewport = WM_draw_region_get_viewport(ctx.region);
ctx.framebuffer_overlay = GPU_viewport_framebuffer_overlay_get(ctx.viewport);
ctx.pixely = BLI_rctf_size_y(&ctx.v2d->cur) / BLI_rcti_size_y(&ctx.v2d->mask);
ctx.pixelx = BLI_rctf_size_x(&ctx.v2d->cur) / BLI_rcti_size_x(&ctx.v2d->mask);
return ctx;
}
static bool seq_draw_waveforms_poll(const bContext * /*C*/, SpaceSeq *sseq, Sequence *seq)
{
const bool strip_is_valid = seq->type == SEQ_TYPE_SOUND_RAM && seq->sound != nullptr;
const bool overlays_enabled = (sseq->flag & SEQ_SHOW_OVERLAY) != 0;
const bool ovelay_option = ((sseq->timeline_overlay.flag & SEQ_TIMELINE_ALL_WAVEFORMS) != 0 ||
(seq->flag & SEQ_AUDIO_DRAW_WAVEFORM));
if ((sseq->timeline_overlay.flag & SEQ_TIMELINE_NO_WAVEFORMS) != 0) {
return false;
}
if (strip_is_valid && overlays_enabled && ovelay_option) {
return true;
}
return false;
}
static bool strip_hides_text_overlay_first(TimelineDrawContext *ctx,
const StripDrawContext *strip_ctx)
{
return seq_draw_waveforms_poll(ctx->C, ctx->sseq, strip_ctx->seq) ||
strip_ctx->seq->type == SEQ_TYPE_COLOR;
}
static void strip_draw_context_set_text_overlay_visibility(TimelineDrawContext *ctx,
StripDrawContext *strip_ctx)
{
float threshold = 8 * UI_SCALE_FAC;
if (strip_hides_text_overlay_first(ctx, strip_ctx)) {
threshold = 20 * UI_SCALE_FAC;
}
const bool overlays_enabled = (ctx->sseq->timeline_overlay.flag &
(SEQ_TIMELINE_SHOW_STRIP_NAME | SEQ_TIMELINE_SHOW_STRIP_SOURCE |
SEQ_TIMELINE_SHOW_STRIP_DURATION)) != 0;
strip_ctx->can_draw_text_overlay = (strip_ctx->top - strip_ctx->bottom) / ctx->pixely >=
threshold;
strip_ctx->can_draw_text_overlay &= overlays_enabled;
}
static void strip_draw_context_set_strip_content_visibility(TimelineDrawContext *ctx,
StripDrawContext *strip_ctx)
{
float threshold = 20 * UI_SCALE_FAC;
if (strip_hides_text_overlay_first(ctx, strip_ctx)) {
threshold = 8 * UI_SCALE_FAC;
}
strip_ctx->can_draw_strip_content = ((strip_ctx->top - strip_ctx->bottom) / ctx->pixely) >
threshold;
}
static StripDrawContext strip_draw_context_get(TimelineDrawContext *ctx, Sequence *seq)
{
StripDrawContext strip_ctx;
Scene *scene = ctx->scene;
strip_ctx.seq = seq;
strip_ctx.bottom = seq->machine + SEQ_STRIP_OFSBOTTOM;
strip_ctx.top = seq->machine + SEQ_STRIP_OFSTOP;
strip_ctx.content_start = SEQ_time_left_handle_frame_get(scene, seq);
strip_ctx.content_end = SEQ_time_right_handle_frame_get(scene, seq);
if (SEQ_time_has_left_still_frames(scene, seq)) {
strip_ctx.content_start = SEQ_time_start_frame_get(seq);
}
if (SEQ_time_has_right_still_frames(scene, seq)) {
strip_ctx.content_end = SEQ_time_content_end_frame_get(scene, seq);
}
/* Limit body to strip bounds. Meta strip can end up with content outside of strip range. */
strip_ctx.content_start = min_ff(strip_ctx.content_start,
SEQ_time_right_handle_frame_get(scene, seq));
strip_ctx.content_end = max_ff(strip_ctx.content_end,
SEQ_time_left_handle_frame_get(scene, seq));
strip_ctx.left_handle = SEQ_time_left_handle_frame_get(scene, seq);
strip_ctx.right_handle = SEQ_time_right_handle_frame_get(scene, seq);
strip_ctx.strip_length = strip_ctx.right_handle - strip_ctx.left_handle;
strip_draw_context_set_text_overlay_visibility(ctx, &strip_ctx);
strip_draw_context_set_strip_content_visibility(ctx, &strip_ctx);
strip_ctx.strip_is_too_small = (!strip_ctx.can_draw_text_overlay &&
!strip_ctx.can_draw_strip_content);
strip_ctx.is_active_strip = seq == SEQ_select_active_get(scene);
strip_ctx.is_single_image = SEQ_transform_single_image_check(seq);
strip_ctx.handle_width = sequence_handle_size_get_clamped(ctx->scene, seq, ctx->pixelx);
strip_ctx.show_strip_color_tag = (ctx->sseq->timeline_overlay.flag &
SEQ_TIMELINE_SHOW_STRIP_COLOR_TAG);
if (strip_ctx.can_draw_text_overlay) {
strip_ctx.strip_content_top = strip_ctx.top - min_ff(0.40f, 20 * UI_SCALE_FAC * ctx->pixely);
}
else {
strip_ctx.strip_content_top = strip_ctx.top;
}
return strip_ctx;
}
void color3ubv_from_seq(const Scene *curscene,
const Sequence *seq,
const bool show_strip_color_tag,
uchar r_col[3])
{
Editing *ed = SEQ_editing_get(curscene);
ListBase *channels = SEQ_channels_displayed_get(ed);
if (show_strip_color_tag && uint(seq->color_tag) < SEQUENCE_COLOR_TOT &&
seq->color_tag != SEQUENCE_COLOR_NONE)
{
bTheme *btheme = UI_GetTheme();
const ThemeStripColor *strip_color = &btheme->strip_color[seq->color_tag];
copy_v3_v3_uchar(r_col, strip_color->color);
return;
}
uchar blendcol[3];
/* Sometimes the active theme is not the sequencer theme, e.g. when an operator invokes the file
* browser. This makes sure we get the right color values for the theme. */
bThemeState theme_state;
UI_Theme_Store(&theme_state);
UI_SetTheme(SPACE_SEQ, RGN_TYPE_WINDOW);
switch (seq->type) {
case SEQ_TYPE_IMAGE:
UI_GetThemeColor3ubv(TH_SEQ_IMAGE, r_col);
break;
case SEQ_TYPE_META:
UI_GetThemeColor3ubv(TH_SEQ_META, r_col);
break;
case SEQ_TYPE_MOVIE:
UI_GetThemeColor3ubv(TH_SEQ_MOVIE, r_col);
break;
case SEQ_TYPE_MOVIECLIP:
UI_GetThemeColor3ubv(TH_SEQ_MOVIECLIP, r_col);
break;
case SEQ_TYPE_MASK:
UI_GetThemeColor3ubv(TH_SEQ_MASK, r_col);
break;
case SEQ_TYPE_SCENE:
UI_GetThemeColor3ubv(TH_SEQ_SCENE, r_col);
if (seq->scene == curscene) {
UI_GetColorPtrShade3ubv(r_col, r_col, 20);
}
break;
/* Transitions use input colors, fallback for when the input is a transition itself. */
case SEQ_TYPE_CROSS:
case SEQ_TYPE_GAMCROSS:
case SEQ_TYPE_WIPE:
UI_GetThemeColor3ubv(TH_SEQ_TRANSITION, r_col);
/* Slightly offset hue to distinguish different transition types. */
if (seq->type == SEQ_TYPE_GAMCROSS) {
rgb_byte_set_hue_float_offset(r_col, 0.03);
}
else if (seq->type == SEQ_TYPE_WIPE) {
rgb_byte_set_hue_float_offset(r_col, 0.06);
}
break;
/* Effects. */
case SEQ_TYPE_TRANSFORM:
case SEQ_TYPE_SPEED:
case SEQ_TYPE_ADD:
case SEQ_TYPE_SUB:
case SEQ_TYPE_MUL:
case SEQ_TYPE_ALPHAOVER:
case SEQ_TYPE_ALPHAUNDER:
case SEQ_TYPE_OVERDROP:
case SEQ_TYPE_GLOW:
case SEQ_TYPE_MULTICAM:
case SEQ_TYPE_ADJUSTMENT:
case SEQ_TYPE_GAUSSIAN_BLUR:
case SEQ_TYPE_COLORMIX:
UI_GetThemeColor3ubv(TH_SEQ_EFFECT, r_col);
/* Slightly offset hue to distinguish different effects. */
if (seq->type == SEQ_TYPE_ADD) {
rgb_byte_set_hue_float_offset(r_col, 0.03);
}
else if (seq->type == SEQ_TYPE_SUB) {
rgb_byte_set_hue_float_offset(r_col, 0.06);
}
else if (seq->type == SEQ_TYPE_MUL) {
rgb_byte_set_hue_float_offset(r_col, 0.13);
}
else if (seq->type == SEQ_TYPE_ALPHAOVER) {
rgb_byte_set_hue_float_offset(r_col, 0.16);
}
else if (seq->type == SEQ_TYPE_ALPHAUNDER) {
rgb_byte_set_hue_float_offset(r_col, 0.23);
}
else if (seq->type == SEQ_TYPE_OVERDROP) {
rgb_byte_set_hue_float_offset(r_col, 0.26);
}
else if (seq->type == SEQ_TYPE_COLORMIX) {
rgb_byte_set_hue_float_offset(r_col, 0.33);
}
else if (seq->type == SEQ_TYPE_GAUSSIAN_BLUR) {
rgb_byte_set_hue_float_offset(r_col, 0.43);
}
else if (seq->type == SEQ_TYPE_GLOW) {
rgb_byte_set_hue_float_offset(r_col, 0.46);
}
else if (seq->type == SEQ_TYPE_ADJUSTMENT) {
rgb_byte_set_hue_float_offset(r_col, 0.55);
}
else if (seq->type == SEQ_TYPE_SPEED) {
rgb_byte_set_hue_float_offset(r_col, 0.65);
}
else if (seq->type == SEQ_TYPE_TRANSFORM) {
rgb_byte_set_hue_float_offset(r_col, 0.75);
}
else if (seq->type == SEQ_TYPE_MULTICAM) {
rgb_byte_set_hue_float_offset(r_col, 0.85);
}
break;
case SEQ_TYPE_COLOR:
UI_GetThemeColor3ubv(TH_SEQ_COLOR, r_col);
break;
case SEQ_TYPE_SOUND_RAM:
UI_GetThemeColor3ubv(TH_SEQ_AUDIO, r_col);
blendcol[0] = blendcol[1] = blendcol[2] = 128;
if (SEQ_render_is_muted(channels, seq)) {
UI_GetColorPtrBlendShade3ubv(r_col, blendcol, r_col, 0.5, 20);
}
break;
case SEQ_TYPE_TEXT:
UI_GetThemeColor3ubv(TH_SEQ_TEXT, r_col);
break;
default:
r_col[0] = 10;
r_col[1] = 255;
r_col[2] = 40;
break;
}
UI_Theme_Restore(&theme_state);
}
static void waveform_job_start_if_needed(const bContext *C, Sequence *seq)
{
bSound *sound = seq->sound;
BLI_spin_lock(static_cast<SpinLock *>(sound->spinlock));
if (!sound->waveform) {
/* Load the waveform data if it hasn't been loaded and cached already. */
if (!(sound->tags & SOUND_TAGS_WAVEFORM_LOADING)) {
/* Prevent sounds from reloading. */
sound->tags |= SOUND_TAGS_WAVEFORM_LOADING;
BLI_spin_unlock(static_cast<SpinLock *>(sound->spinlock));
sequencer_preview_add_sound(C, seq);
}
else {
BLI_spin_unlock(static_cast<SpinLock *>(sound->spinlock));
}
}
BLI_spin_unlock(static_cast<SpinLock *>(sound->spinlock));
}
static float align_frame_with_pixel(float frame_coord, float frames_per_pixel)
{
return round_fl_to_int(frame_coord / frames_per_pixel) * frames_per_pixel;
}
static void draw_seq_waveform_overlay(TimelineDrawContext *timeline_ctx,
const StripDrawContext *strip_ctx)
{
if (!seq_draw_waveforms_poll(timeline_ctx->C, timeline_ctx->sseq, strip_ctx->seq) ||
strip_ctx->strip_is_too_small)
{
return;
}
const View2D *v2d = timeline_ctx->v2d;
Scene *scene = timeline_ctx->scene;
Sequence *seq = strip_ctx->seq;
const bool half_style = (timeline_ctx->sseq->timeline_overlay.flag &
SEQ_TIMELINE_WAVEFORMS_HALF) != 0;
const float frames_per_pixel = BLI_rctf_size_x(&v2d->cur) / timeline_ctx->region->winx;
const float samples_per_frame = SOUND_WAVE_SAMPLES_PER_SECOND / FPS;
const float samples_per_pixel = samples_per_frame * frames_per_pixel;
/* The y coordinate of signal level zero. */
const float y_zero = half_style ? strip_ctx->bottom :
(strip_ctx->bottom + strip_ctx->strip_content_top) / 2.0f;
/* The y range of unit signal level. */
const float y_scale = half_style ? strip_ctx->strip_content_top - strip_ctx->bottom :
(strip_ctx->strip_content_top - strip_ctx->bottom) / 2.0f;
/* Align strip start with nearest pixel to prevent waveform flickering. */
const float strip_start_aligned = align_frame_with_pixel(strip_ctx->left_handle,
frames_per_pixel);
/* Offset x1 and x2 values, to match view min/max, if strip is out of bounds. */
const float draw_start_frame = max_ff(v2d->cur.xmin, strip_start_aligned);
const float draw_end_frame = min_ff(v2d->cur.xmax, strip_ctx->right_handle);
/* Offset must be also aligned, otherwise waveform flickers when moving left handle. */
float sample_start_frame = draw_start_frame + seq->sound->offset_time / FPS;
const int pixels_to_draw = round_fl_to_int((draw_end_frame - draw_start_frame) /
frames_per_pixel);
if (pixels_to_draw < 2) {
return; /* Not much to draw, exit before running job. */
}
waveform_job_start_if_needed(timeline_ctx->C, seq);
SoundWaveform *waveform = static_cast<SoundWaveform *>(seq->sound->waveform);
if (waveform == nullptr || waveform->length == 0) {
return; /* Waveform was not built. */
}
/* F-Curve lookup is quite expensive, so do this after precondition. */
FCurve *fcu = id_data_find_fcurve(&scene->id, seq, &RNA_Sequence, "volume", 0, nullptr);
/* Draw zero line (when actual samples close to zero are drawn, they might not cover a pixel. */
uchar color[4] = {255, 255, 255, 127};
uchar color_clip[4] = {255, 0, 0, 127};
uchar color_rms[4] = {255, 255, 255, 204};
timeline_ctx->quads->add_line(draw_start_frame, y_zero, draw_end_frame, y_zero, color);
float prev_y_mid = y_zero;
for (int i = 0; i < pixels_to_draw; i++) {
float timeline_frame = sample_start_frame + i * frames_per_pixel;
float frame_index = SEQ_give_frame_index(scene, seq, timeline_frame) + seq->anim_startofs;
float sample = frame_index * samples_per_frame;
int sample_index = round_fl_to_int(sample);
if (sample_index < 0) {
continue;
}
if (sample_index >= waveform->length) {
break;
}
float value_min = waveform->data[sample_index * 3];
float value_max = waveform->data[sample_index * 3 + 1];
float rms = waveform->data[sample_index * 3 + 2];
if (samples_per_pixel > 1.0f) {
/* We need to sum up the values we skip over until the next step. */
float next_pos = sample + samples_per_pixel;
int end_idx = round_fl_to_int(next_pos);
for (int j = sample_index + 1; (j < waveform->length) && (j < end_idx); j++) {
value_min = min_ff(value_min, waveform->data[j * 3]);
value_max = max_ff(value_max, waveform->data[j * 3 + 1]);
rms = max_ff(rms, waveform->data[j * 3 + 2]);
}
}
float volume = seq->volume;
if (fcu && !BKE_fcurve_is_empty(fcu)) {
float evaltime = draw_start_frame + (i * frames_per_pixel);
volume = evaluate_fcurve(fcu, evaltime);
CLAMP_MIN(volume, 0.0f);
}
value_min *= volume;
value_max *= volume;
rms *= volume;
bool is_clipping = false;
if (value_max > 1 || value_min < -1) {
is_clipping = true;
CLAMP_MAX(value_max, 1.0f);
CLAMP_MIN(value_min, -1.0f);
}
/* We are drawing only half to the waveform, mirroring the lower part upwards.
* If both min and max are on the same side of zero line, we want to draw a bar
* between them. If min and max cross zero, we want to fill bar from zero to max
* of those. */
if (half_style) {
bool pos_min = value_min > 0.0f;
bool pos_max = value_max > 0.0f;
float abs_min = std::abs(value_min);
float abs_max = std::abs(value_max);
if (pos_min == pos_max) {
value_min = std::min(abs_min, abs_max);
value_max = std::max(abs_min, abs_max);
}
else {
value_min = 0;
value_max = std::max(abs_min, abs_max);
}
}
float x1 = draw_start_frame + i * frames_per_pixel;
float x2 = draw_start_frame + (i + 1) * frames_per_pixel;
float y_min = y_zero + value_min * y_scale;
float y_max = y_zero + value_max * y_scale;
float y_mid = (y_max + y_min) * 0.5f;
/* If a bar would be below 2px, make it a line. */
if (y_max - y_min < timeline_ctx->pixely * 2) {
/* If previous segment was also a line of different enough
* height, join them. */
if (std::abs(y_mid - prev_y_mid) > timeline_ctx->pixely) {
float x0 = draw_start_frame + (i - 1) * frames_per_pixel;
timeline_ctx->quads->add_line(x0, prev_y_mid, x1, y_mid, color);
}
timeline_ctx->quads->add_line(x1, y_mid, x2, y_mid, color);
}
else {
float rms_min = y_zero + max_ff(-rms, value_min) * y_scale;
float rms_max = y_zero + min_ff(rms, value_max) * y_scale;
/* RMS */
timeline_ctx->quads->add_quad(
x1, rms_min, x2, rms_max, is_clipping ? color_clip : color_rms);
/* Sample */
timeline_ctx->quads->add_quad(x1, y_min, x2, y_max, is_clipping ? color_clip : color);
}
prev_y_mid = y_mid;
}
}
static void drawmeta_contents(TimelineDrawContext *timeline_ctx, const StripDrawContext *strip_ctx)
{
Sequence *seq_meta = strip_ctx->seq;
if (!strip_ctx->can_draw_strip_content || (timeline_ctx->sseq->flag & SEQ_SHOW_OVERLAY) == 0) {
return;
}
if ((seq_meta->type != SEQ_TYPE_META) &&
((seq_meta->type != SEQ_TYPE_SCENE) || (seq_meta->flag & SEQ_SCENE_STRIPS) == 0))
{
return;
}
Scene *scene = timeline_ctx->scene;
uchar col[4];
int chan_min = MAXSEQ;
int chan_max = 0;
int chan_range = 0;
float draw_range = strip_ctx->top - strip_ctx->bottom;
float draw_height;
Editing *ed = SEQ_editing_get(scene);
ListBase *channels = SEQ_channels_displayed_get(ed);
ListBase *meta_seqbase;
ListBase *meta_channels;
int offset;
meta_seqbase = SEQ_get_seqbase_from_sequence(seq_meta, &meta_channels, &offset);
if (!meta_seqbase || BLI_listbase_is_empty(meta_seqbase)) {
return;
}
if (seq_meta->type == SEQ_TYPE_SCENE) {
offset = seq_meta->start - offset;
}
else {
offset = 0;
}
LISTBASE_FOREACH (Sequence *, seq, meta_seqbase) {
chan_min = min_ii(chan_min, seq->machine);
chan_max = max_ii(chan_max, seq->machine);
}
chan_range = (chan_max - chan_min) + 1;
draw_height = draw_range / chan_range;
col[3] = 196; /* Alpha, used for all meta children. */
/* Draw only immediate children (1 level depth). */
LISTBASE_FOREACH (Sequence *, seq, meta_seqbase) {
const int startdisp = SEQ_time_left_handle_frame_get(scene, seq) + offset;
const int enddisp = SEQ_time_right_handle_frame_get(scene, seq) + offset;
if ((startdisp > strip_ctx->right_handle || enddisp < strip_ctx->left_handle) == 0) {
float y_chan = (seq->machine - chan_min) / float(chan_range) * draw_range;
float x1_chan = startdisp;
float x2_chan = enddisp;
float y1_chan, y2_chan;
if (seq->type == SEQ_TYPE_COLOR) {
SolidColorVars *colvars = (SolidColorVars *)seq->effectdata;
rgb_float_to_uchar(col, colvars->col);
}
else {
color3ubv_from_seq(scene, seq, strip_ctx->show_strip_color_tag, col);
}
if (SEQ_render_is_muted(channels, seq_meta) || SEQ_render_is_muted(meta_channels, seq)) {
col[3] = 64;
}
else {
col[3] = 196;
}
/* Clamp within parent sequence strip bounds. */
if (x1_chan < strip_ctx->left_handle) {
x1_chan = strip_ctx->left_handle;
}
if (x2_chan > strip_ctx->right_handle) {
x2_chan = strip_ctx->right_handle;
}
y1_chan = strip_ctx->bottom + y_chan + (draw_height * SEQ_STRIP_OFSBOTTOM);
y2_chan = strip_ctx->bottom + y_chan + (draw_height * SEQ_STRIP_OFSTOP);
timeline_ctx->quads->add_quad(x1_chan, y1_chan, x2_chan, y2_chan, col);
}
}
}
float sequence_handle_size_get_clamped(const Scene *scene, Sequence *seq, const float pixelx)
{
const float maxhandle = (pixelx * SEQ_HANDLE_SIZE) * U.pixelsize;
/* Ensure that handle is not wider, than quarter of strip. */
return min_ff(maxhandle,
(float(SEQ_time_right_handle_frame_get(scene, seq) -
SEQ_time_left_handle_frame_get(scene, seq)) /
4.0f));
}
/* Draw a handle, on left or right side of strip. */
static void draw_seq_handle(TimelineDrawContext *timeline_ctx,
const StripDrawContext *strip_ctx,
const short direction)
{
Sequence *seq = strip_ctx->seq;
if (SEQ_transform_is_locked(timeline_ctx->channels, seq)) {
return;
}
uint whichsel = 0;
uchar col[4];
/* Set up co-ordinates and dimensions for either left or right handle. */
rctf handle = {0, 0, strip_ctx->bottom, strip_ctx->top};
if (direction == SEQ_LEFTHANDLE) {
handle.xmin = strip_ctx->left_handle;
handle.xmax = strip_ctx->left_handle + strip_ctx->handle_width;
whichsel = SEQ_LEFTSEL;
}
else if (direction == SEQ_RIGHTHANDLE) {
handle.xmin = strip_ctx->right_handle - strip_ctx->handle_width;
handle.xmax = strip_ctx->right_handle;
whichsel = SEQ_RIGHTSEL;
}
if (!(seq->type & SEQ_TYPE_EFFECT) || SEQ_effect_get_num_inputs(seq->type) == 0) {
if (seq->flag & whichsel) {
if (strip_ctx->is_active_strip) {
UI_GetThemeColor3ubv(TH_SEQ_ACTIVE, col);
}
else {
UI_GetThemeColor3ubv(TH_SEQ_SELECTED, col);
/* Make handles slightly brighter than the outlines. */
UI_GetColorPtrShade3ubv(col, col, 50);
}
col[3] = 255;
}
else {
col[0] = col[1] = col[2] = 0;
col[3] = 50;
}
timeline_ctx->quads->add_quad(handle.xmin, handle.ymin, handle.xmax, handle.ymax, col);
}
/* Draw numbers for start and end of the strip next to its handles. */
if (!strip_ctx->can_draw_strip_content ||
!(((seq->flag & SELECT) && (G.moving & G_TRANSFORM_SEQ)) || (seq->flag & whichsel)))
{
return;
}
char numstr[64];
size_t numstr_len;
const int fontid = BLF_default();
BLF_set_default();
/* Calculate if strip is wide enough for showing the labels. */
numstr_len = SNPRINTF_RLEN(
numstr, "%d%d", int(strip_ctx->left_handle), int(strip_ctx->right_handle));
float tot_width = BLF_width(fontid, numstr, numstr_len);
if (strip_ctx->strip_length / timeline_ctx->pixelx > 20 + tot_width) {
col[0] = col[1] = col[2] = col[3] = 255;
float text_margin = 1.2f * strip_ctx->handle_width;
float text_x = strip_ctx->left_handle;
const float text_y = strip_ctx->bottom + 0.09f;
if (direction == SEQ_LEFTHANDLE) {
numstr_len = SNPRINTF_RLEN(numstr, "%d", int(strip_ctx->left_handle));
text_x += text_margin;
}
else {
numstr_len = SNPRINTF_RLEN(numstr, "%d", int(strip_ctx->right_handle - 1));
text_x = strip_ctx->right_handle -
(text_margin + timeline_ctx->pixelx * BLF_width(fontid, numstr, numstr_len));
}
UI_view2d_text_cache_add(timeline_ctx->v2d, text_x, text_y, numstr, numstr_len, col);
}
}
static void draw_seq_outline(TimelineDrawContext *timeline_ctx, const StripDrawContext *strip_ctx)
{
Sequence *seq = strip_ctx->seq;
/* Get the color for the outline. */
uchar col[4];
if (strip_ctx->is_active_strip && (seq->flag & SELECT)) {
UI_GetThemeColor3ubv(TH_SEQ_ACTIVE, col);
}
else if (seq->flag & SELECT) {
UI_GetThemeColor3ubv(TH_SEQ_SELECTED, col);
}
else {
/* Color for unselected strips is a bit darker than the background. */
UI_GetThemeColorShade3ubv(TH_BACK, -40, col);
}
col[3] = 255;
/* Outline while translating strips:
* - Slightly lighter.
* - Red when overlapping with other strips.
*/
const eSeqOverlapMode overlap_mode = SEQ_tool_settings_overlap_mode_get(timeline_ctx->scene);
if ((G.moving & G_TRANSFORM_SEQ) && (seq->flag & SELECT) &&
overlap_mode != SEQ_OVERLAP_OVERWRITE)
{
if (seq->flag & SEQ_OVERLAP) {
col[0] = 255;
col[1] = col[2] = 33;
}
else {
UI_GetColorPtrShade3ubv(col, col, 70);
}
}
/* 2px wide outline for selected strips: draw as four quads. */
if (seq->flag & SELECT) {
float delta_x = timeline_ctx->pixelx;
float delta_y = timeline_ctx->pixely * 2;
/* Left */
timeline_ctx->quads->add_quad(strip_ctx->left_handle - delta_x,
strip_ctx->bottom,
strip_ctx->left_handle + delta_x,
strip_ctx->top,
col);
/* Bottom */
timeline_ctx->quads->add_quad(strip_ctx->left_handle - delta_x,
strip_ctx->bottom,
strip_ctx->right_handle + delta_x,
strip_ctx->bottom + delta_y,
col);
/* Right */
timeline_ctx->quads->add_quad(strip_ctx->right_handle - delta_x,
strip_ctx->bottom,
strip_ctx->right_handle + delta_x,
strip_ctx->top,
col);
/* Top */
timeline_ctx->quads->add_quad(strip_ctx->left_handle - delta_x,
strip_ctx->top - delta_y,
strip_ctx->right_handle + delta_x,
strip_ctx->top,
col);
}
else {
/* 1px wide outline for unselected strips. */
timeline_ctx->quads->add_wire_quad(
strip_ctx->left_handle, strip_ctx->bottom, strip_ctx->right_handle, strip_ctx->top, col);
}
}
static const char *draw_seq_text_get_name(Sequence *seq)
{
const char *name = seq->name + 2;
if (name[0] == '\0') {
name = SEQ_sequence_give_name(seq);
}
return name;
}
static void draw_seq_text_get_source(Sequence *seq, char *r_source, size_t source_maxncpy)
{
*r_source = '\0';
/* Set source for the most common types. */
switch (seq->type) {
case SEQ_TYPE_IMAGE:
case SEQ_TYPE_MOVIE: {
BLI_path_join(
r_source, source_maxncpy, seq->strip->dirpath, seq->strip->stripdata->filename);
break;
}
case SEQ_TYPE_SOUND_RAM: {
if (seq->sound != nullptr) {
BLI_strncpy(r_source, seq->sound->filepath, source_maxncpy);
}
break;
}
case SEQ_TYPE_MULTICAM: {
BLI_snprintf(r_source, source_maxncpy, "Channel: %d", seq->multicam_source);
break;
}
case SEQ_TYPE_TEXT: {
const TextVars *textdata = static_cast<TextVars *>(seq->effectdata);
BLI_strncpy(r_source, textdata->text, source_maxncpy);
break;
}
case SEQ_TYPE_SCENE: {
if (seq->scene != nullptr) {
if (seq->scene_camera != nullptr) {
BLI_snprintf(r_source,
source_maxncpy,
"%s (%s)",
seq->scene->id.name + 2,
seq->scene_camera->id.name + 2);
}
else {
BLI_strncpy(r_source, seq->scene->id.name + 2, source_maxncpy);
}
}
break;
}
case SEQ_TYPE_MOVIECLIP: {
if (seq->clip != nullptr) {
BLI_strncpy(r_source, seq->clip->id.name + 2, source_maxncpy);
}
break;
}
case SEQ_TYPE_MASK: {
if (seq->mask != nullptr) {
BLI_strncpy(r_source, seq->mask->id.name + 2, source_maxncpy);
}
break;
}
}
}
static size_t draw_seq_text_get_overlay_string(TimelineDrawContext *timeline_ctx,
const StripDrawContext *strip_ctx,
char *r_overlay_string,
size_t overlay_string_len)
{
Sequence *seq = strip_ctx->seq;
const char *text_sep = " | ";
const char *text_array[5];
int i = 0;
if (timeline_ctx->sseq->timeline_overlay.flag & SEQ_TIMELINE_SHOW_STRIP_NAME) {
text_array[i++] = draw_seq_text_get_name(seq);
}
char source[FILE_MAX];
if (timeline_ctx->sseq->timeline_overlay.flag & SEQ_TIMELINE_SHOW_STRIP_SOURCE) {
draw_seq_text_get_source(seq, source, sizeof(source));
if (source[0] != '\0') {
if (i != 0) {
text_array[i++] = text_sep;
}
text_array[i++] = source;
}
}
char strip_duration_text[16];
if (timeline_ctx->sseq->timeline_overlay.flag & SEQ_TIMELINE_SHOW_STRIP_DURATION) {
SNPRINTF(strip_duration_text, "%d", int(strip_ctx->strip_length));
if (i != 0) {
text_array[i++] = text_sep;
}
text_array[i++] = strip_duration_text;
}
BLI_assert(i <= ARRAY_SIZE(text_array));
return BLI_string_join_array(r_overlay_string, overlay_string_len, text_array, i);
}
/* Draw info text on a sequence strip. */
static void draw_seq_text_overlay(TimelineDrawContext *timeline_ctx,
const StripDrawContext *strip_ctx)
{
if ((timeline_ctx->sseq->flag & SEQ_SHOW_OVERLAY) == 0) {
return;
}
/* Draw text only if there is enough horizontal or vertical space. */
if ((strip_ctx->strip_length <= 32 * timeline_ctx->pixelx * UI_SCALE_FAC) ||
strip_ctx->strip_is_too_small || !strip_ctx->can_draw_text_overlay)
{
return;
}
char overlay_string[FILE_MAX];
size_t overlay_string_len = draw_seq_text_get_overlay_string(
timeline_ctx, strip_ctx, overlay_string, sizeof(overlay_string));
if (overlay_string_len == 0) {
return;
}
/* White text for the active strip. */
uchar col[4];
col[0] = col[1] = col[2] = strip_ctx->is_active_strip ? 255 : 10;
col[3] = 255;
/* Make the text duller when the strip is muted. */
if (SEQ_render_is_muted(timeline_ctx->channels, strip_ctx->seq)) {
if (strip_ctx->is_active_strip) {
UI_GetColorPtrShade3ubv(col, col, -70);
}
else {
UI_GetColorPtrShade3ubv(col, col, 15);
}
}
float text_margin = 2.0f * strip_ctx->handle_width;
rctf rect;
rect.xmin = strip_ctx->left_handle + 2.0f * strip_ctx->handle_width;
rect.xmax = strip_ctx->right_handle - 2.0f * strip_ctx->handle_width;
rect.ymax = strip_ctx->top;
/* Depending on the vertical space, draw text on top or in the center of strip. */
rect.ymin = !strip_ctx->can_draw_strip_content ? strip_ctx->bottom :
strip_ctx->strip_content_top;
CLAMP(rect.xmin, timeline_ctx->v2d->cur.xmin + text_margin, timeline_ctx->v2d->cur.xmax);
CLAMP(rect.xmax, timeline_ctx->v2d->cur.xmin + text_margin, timeline_ctx->v2d->cur.xmax);
UI_view2d_text_cache_add_rectf(
timeline_ctx->v2d, &rect, overlay_string, overlay_string_len, col);
}
static void draw_strip_offsets(TimelineDrawContext *timeline_ctx,
const StripDrawContext *strip_ctx)
{
Sequence *seq = strip_ctx->seq;
if ((timeline_ctx->sseq->flag & SEQ_SHOW_OVERLAY) == 0) {
return;
}
if (strip_ctx->is_single_image || timeline_ctx->pixely <= 0) {
return;
}
if ((timeline_ctx->sseq->timeline_overlay.flag & SEQ_TIMELINE_SHOW_STRIP_OFFSETS) == 0 &&
(strip_ctx->seq != ED_sequencer_special_preview_get()))
{
return;
}
Scene *scene = timeline_ctx->scene;
ListBase *channels = timeline_ctx->channels;
uchar col[4], blend_col[4];
color3ubv_from_seq(scene, seq, strip_ctx->show_strip_color_tag, col);
if (seq->flag & SELECT) {
UI_GetColorPtrShade3ubv(col, col, 50);
}
col[3] = SEQ_render_is_muted(channels, seq) ? MUTE_ALPHA : 200;
UI_GetColorPtrShade3ubv(col, blend_col, 10);
blend_col[3] = 255;
const int strip_start = SEQ_time_start_frame_get(seq);
const int strip_end = SEQ_time_content_end_frame_get(scene, seq);
if (strip_ctx->left_handle > strip_start) {
timeline_ctx->quads->add_quad(strip_start,
strip_ctx->bottom - timeline_ctx->pixely,
strip_ctx->content_start,
strip_ctx->bottom - SEQ_STRIP_OFSBOTTOM,
col);
timeline_ctx->quads->add_wire_quad(strip_start,
strip_ctx->bottom - timeline_ctx->pixely,
strip_ctx->content_start,
strip_ctx->bottom - SEQ_STRIP_OFSBOTTOM,
blend_col);
}
if (strip_ctx->right_handle < strip_end) {
timeline_ctx->quads->add_quad(strip_ctx->right_handle,
strip_ctx->top + timeline_ctx->pixely,
strip_end,
strip_ctx->top + SEQ_STRIP_OFSBOTTOM,
col);
timeline_ctx->quads->add_wire_quad(strip_ctx->right_handle,
strip_ctx->top + timeline_ctx->pixely,
strip_end,
strip_ctx->top + SEQ_STRIP_OFSBOTTOM,
blend_col);
}
}
static uchar mute_overlap_alpha_factor_get(const ListBase *channels, const Sequence *seq)
{
/* Draw muted strips semi-transparent. */
if (SEQ_render_is_muted(channels, seq)) {
return MUTE_ALPHA;
}
/* Draw background semi-transparent when overlapping strips. */
if (seq->flag & SEQ_OVERLAP) {
return OVERLAP_ALPHA;
}
return 255;
}
static void draw_strip_color_band(TimelineDrawContext *timeline_ctx,
const StripDrawContext *strip_ctx)
{
Sequence *seq = strip_ctx->seq;
if ((timeline_ctx->sseq->flag & SEQ_SHOW_OVERLAY) == 0 || (seq->type != SEQ_TYPE_COLOR)) {
return;
}
SolidColorVars *colvars = (SolidColorVars *)seq->effectdata;
uchar col[4];
rgb_float_to_uchar(col, colvars->col);
col[3] = mute_overlap_alpha_factor_get(timeline_ctx->channels, seq);
timeline_ctx->quads->add_quad(strip_ctx->left_handle,
strip_ctx->bottom,
strip_ctx->right_handle,
strip_ctx->strip_content_top,
col);
/* 1px line to better separate the color band. */
UI_GetColorPtrShade3ubv(col, col, -20);
timeline_ctx->quads->add_line(strip_ctx->left_handle,
strip_ctx->strip_content_top,
strip_ctx->right_handle,
strip_ctx->strip_content_top,
col);
}
static void draw_strip_background(TimelineDrawContext *timeline_ctx,
const StripDrawContext *strip_ctx)
{
Scene *scene = timeline_ctx->scene;
Sequence *seq = strip_ctx->seq;
uchar col[4];
color3ubv_from_seq(scene, seq, strip_ctx->show_strip_color_tag, col);
col[3] = mute_overlap_alpha_factor_get(timeline_ctx->channels, seq);
/* Draw the main strip body. */
float x1 = strip_ctx->is_single_image ? strip_ctx->left_handle : strip_ctx->content_start;
float x2 = strip_ctx->is_single_image ? strip_ctx->right_handle : strip_ctx->content_end;
timeline_ctx->quads->add_quad(x1, strip_ctx->bottom, x2, strip_ctx->top, col);
/* Draw background for hold still regions. */
if (!strip_ctx->is_single_image) {
UI_GetColorPtrShade3ubv(col, col, -35);
if (SEQ_time_has_left_still_frames(scene, seq)) {
timeline_ctx->quads->add_quad(strip_ctx->left_handle,
strip_ctx->bottom,
strip_ctx->content_start,
strip_ctx->top,
col);
}
if (SEQ_time_has_right_still_frames(scene, seq)) {
timeline_ctx->quads->add_quad(
strip_ctx->content_end, strip_ctx->bottom, strip_ctx->right_handle, strip_ctx->top, col);
}
}
}
enum TransitionType {
STRIP_TRANSITION_IN,
STRIP_TRANSITION_OUT,
};
static void draw_seq_transition_strip_half(TimelineDrawContext *timeline_ctx,
const StripDrawContext *strip_ctx,
const TransitionType transition_type)
{
const Sequence *seq1 = strip_ctx->seq->seq1;
const Sequence *seq2 = strip_ctx->seq->seq2;
const Sequence *target_seq = (transition_type == STRIP_TRANSITION_IN) ? seq1 : seq2;
uchar col[4];
if (target_seq->type == SEQ_TYPE_COLOR) {
SolidColorVars *colvars = (SolidColorVars *)target_seq->effectdata;
rgb_float_to_uchar(col, colvars->col);
}
else {
color3ubv_from_seq(timeline_ctx->scene, target_seq, strip_ctx->show_strip_color_tag, col);
/* If the transition inputs are of the same type, draw the right side slightly darker. */
if ((seq1->type == seq2->type) && (transition_type == STRIP_TRANSITION_OUT)) {
UI_GetColorPtrShade3ubv(col, col, -15);
}
}
col[3] = mute_overlap_alpha_factor_get(timeline_ctx->channels, strip_ctx->seq);
float tri[3][2];
if (transition_type == STRIP_TRANSITION_IN) {
copy_v2_fl2(tri[0], strip_ctx->content_start, strip_ctx->bottom);
copy_v2_fl2(tri[1], strip_ctx->content_start, strip_ctx->strip_content_top);
copy_v2_fl2(tri[2], strip_ctx->content_end, strip_ctx->bottom);
}
else {
copy_v2_fl2(tri[0], strip_ctx->content_start, strip_ctx->strip_content_top);
copy_v2_fl2(tri[1], strip_ctx->content_end, strip_ctx->strip_content_top);
copy_v2_fl2(tri[2], strip_ctx->content_end, strip_ctx->bottom);
}
/* Slightly suboptimal: we are pretending to draw a quad with two vertices at the same location.
*/
timeline_ctx->quads->add_quad(
tri[0][0], tri[0][1], tri[0][0], tri[0][1], tri[1][0], tri[1][1], tri[2][0], tri[2][1], col);
}
static void draw_seq_transition_strip(TimelineDrawContext *timeline_ctx,
const StripDrawContext *strip_ctx)
{
if (!strip_ctx->can_draw_strip_content || (timeline_ctx->sseq->flag & SEQ_SHOW_OVERLAY) == 0 ||
!ELEM(strip_ctx->seq->type, SEQ_TYPE_CROSS, SEQ_TYPE_GAMCROSS, SEQ_TYPE_WIPE))
{
return;
}
draw_seq_transition_strip_half(timeline_ctx, strip_ctx, STRIP_TRANSITION_IN);
draw_seq_transition_strip_half(timeline_ctx, strip_ctx, STRIP_TRANSITION_OUT);
}
static void draw_seq_locked(TimelineDrawContext *timeline_ctx,
const blender::Vector<StripDrawContext> &strips)
{
GPU_blend(GPU_BLEND_ALPHA);
uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_DIAG_STRIPES);
immUniform4f("color1", 1.0f, 1.0f, 1.0f, 0.0f);
immUniform4f("color2", 0.0f, 0.0f, 0.0f, 0.25f);
immUniform1i("size1", 8);
immUniform1i("size2", 4);
for (const StripDrawContext &strip_ctx : strips) {
if (!SEQ_transform_is_locked(timeline_ctx->channels, strip_ctx.seq)) {
continue;
}
immRectf(pos, strip_ctx.left_handle, strip_ctx.bottom, strip_ctx.right_handle, strip_ctx.top);
}
immUnbindProgram();
GPU_blend(GPU_BLEND_NONE);
}
static void draw_seq_invalid(TimelineDrawContext *timeline_ctx, const StripDrawContext *strip_ctx)
{
if (SEQ_sequence_has_source(strip_ctx->seq)) {
return;
}
uchar color[4] = {255, 0, 0, 230};
timeline_ctx->quads->add_quad(strip_ctx->left_handle,
strip_ctx->top,
strip_ctx->right_handle,
strip_ctx->strip_content_top,
color);
}
/**
* Draw f-curves as darkened regions of the strip:
* - Volume for sound strips.
* - Opacity for the other types.
*/
static void draw_seq_fcurve_overlay(TimelineDrawContext *timeline_ctx,
const StripDrawContext *strip_ctx)
{
if (!strip_ctx->can_draw_strip_content || (timeline_ctx->sseq->flag & SEQ_SHOW_OVERLAY) == 0 ||
(timeline_ctx->sseq->timeline_overlay.flag & SEQ_TIMELINE_SHOW_FCURVES) == 0)
{
return;
}
Scene *scene = timeline_ctx->scene;
const int eval_step = max_ii(1, floor(timeline_ctx->pixelx));
uchar color[4] = {0, 0, 0, 38};
FCurve *fcu;
if (strip_ctx->seq->type == SEQ_TYPE_SOUND_RAM) {
fcu = id_data_find_fcurve(&scene->id, strip_ctx->seq, &RNA_Sequence, "volume", 0, nullptr);
}
else {
fcu = id_data_find_fcurve(
&scene->id, strip_ctx->seq, &RNA_Sequence, "blend_alpha", 0, nullptr);
}
if (fcu == nullptr || BKE_fcurve_is_empty(fcu)) {
return;
}
/* Clamp curve evaluation to the editor's borders. */
int eval_start = max_ff(strip_ctx->left_handle, timeline_ctx->v2d->cur.xmin);
int eval_end = min_ff(strip_ctx->right_handle, timeline_ctx->v2d->cur.xmax + 1);
if (eval_start >= eval_end) {
return;
}
const float y_height = strip_ctx->top - strip_ctx->bottom;
float prev_x = eval_start;
float prev_val = evaluate_fcurve(fcu, eval_start);
CLAMP(prev_val, 0.0f, 1.0f);
bool skip = false;
for (int timeline_frame = eval_start + eval_step; timeline_frame <= eval_end;
timeline_frame += eval_step)
{
float curve_val = evaluate_fcurve(fcu, timeline_frame);
CLAMP(curve_val, 0.0f, 1.0f);
/* Avoid adding adjacent verts that have the same value. */
if (curve_val == prev_val && timeline_frame < eval_end - eval_step) {
skip = true;
continue;
}
/* If some frames were skipped above, we need to close the shape. */
if (skip) {
timeline_ctx->quads->add_quad(prev_x,
(prev_val * y_height) + strip_ctx->bottom,
prev_x,
strip_ctx->top,
timeline_frame - eval_step,
(prev_val * y_height) + strip_ctx->bottom,
timeline_frame - eval_step,
strip_ctx->top,
color);
skip = false;
prev_x = timeline_frame - eval_step;
}
timeline_ctx->quads->add_quad(prev_x,
(prev_val * y_height) + strip_ctx->bottom,
prev_x,
strip_ctx->top,
timeline_frame,
(curve_val * y_height) + strip_ctx->bottom,
timeline_frame,
strip_ctx->top,
color);
prev_x = timeline_frame;
prev_val = curve_val;
}
}
/* When active strip is a Multi-cam strip, highlight its source channel. */
static void draw_multicam_highlight(TimelineDrawContext *timeline_ctx,
const StripDrawContext *strip_ctx)
{
Sequence *act_seq = SEQ_select_active_get(timeline_ctx->scene);
if (strip_ctx->seq != act_seq || act_seq == nullptr) {
return;
}
if ((act_seq->flag & SELECT) == 0 || act_seq->type != SEQ_TYPE_MULTICAM) {
return;
}
int channel = act_seq->multicam_source;
if (channel == 0) {
return;
}
View2D *v2d = timeline_ctx->v2d;
uchar color[4] = {255, 255, 255, 48};
timeline_ctx->quads->add_quad(v2d->cur.xmin, channel, v2d->cur.xmax, channel + 1, color);
}
/* Highlight strip if it is input of selected active strip. */
static void draw_effect_inputs_highlight(TimelineDrawContext *timeline_ctx,
const StripDrawContext *strip_ctx)
{
Sequence *act_seq = SEQ_select_active_get(timeline_ctx->scene);
if (act_seq == nullptr || (act_seq->flag & SELECT) == 0) {
return;
}
if (act_seq->seq1 != strip_ctx->seq && act_seq->seq2 != strip_ctx->seq) {
return;
}
uchar color[4] = {255, 255, 255, 48};
timeline_ctx->quads->add_quad(
strip_ctx->left_handle, strip_ctx->bottom, strip_ctx->right_handle, strip_ctx->top, color);
}
static void draw_seq_solo_highlight(TimelineDrawContext *timeline_ctx,
const StripDrawContext *strip_ctx)
{
if (ED_sequencer_special_preview_get() == nullptr ||
ED_sequencer_special_preview_get() != strip_ctx->seq)
{
return;
}
uchar color[4] = {255, 255, 255, 48};
timeline_ctx->quads->add_quad(
strip_ctx->left_handle, strip_ctx->bottom, strip_ctx->right_handle, strip_ctx->top, color);
}
/* Force redraw, when prefetching and using cache view. */
static void seq_prefetch_wm_notify(const bContext *C, Scene *scene)
{
if (SEQ_prefetch_need_redraw(CTX_data_main(C), scene)) {
WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, nullptr);
}
}
static void draw_seq_timeline_channels(TimelineDrawContext *ctx)
{
View2D *v2d = ctx->v2d;
UI_view2d_view_ortho(v2d);
uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_3D_UNIFORM_COLOR);
GPU_blend(GPU_BLEND_ALPHA);
immUniformThemeColor(TH_ROW_ALTERNATE);
/* Alternating horizontal stripes. */
int i = max_ii(1, int(v2d->cur.ymin) - 1);
while (i < v2d->cur.ymax) {
if (i & 1) {
immRectf(pos, v2d->cur.xmin, i, v2d->cur.xmax, i + 1);
}
i++;
}
GPU_blend(GPU_BLEND_NONE);
immUnbindProgram();
}
/* Get visible strips into two sets: unselected strips, and selected strips
* (with selected active being the last in there). This is to make
* sure that visually selected are always "on top" of others. It matters
* while selection is being dragged over other strips. */
static void visible_strips_ordered_get(TimelineDrawContext *timeline_ctx,
blender::Vector<StripDrawContext> &r_unselected,
blender::Vector<StripDrawContext> &r_selected)
{
Sequence *act_seq = SEQ_select_active_get(timeline_ctx->scene);
blender::Vector<Sequence *> strips = sequencer_visible_strips_get(timeline_ctx->C);
r_unselected.clear();
r_selected.clear();
const bool act_seq_is_selected = act_seq != nullptr && (act_seq->flag & SELECT) != 0;
if (act_seq_is_selected) {
strips.remove_if([&](Sequence *seq) { return seq == act_seq; });
}
for (Sequence *seq : strips) {
/* Selected active will be added last. */
if (act_seq_is_selected && seq == act_seq) {
continue;
}
StripDrawContext strip_ctx = strip_draw_context_get(timeline_ctx, seq);
if ((seq->flag & SELECT) == 0) {
r_unselected.append(strip_ctx);
}
else {
r_selected.append(strip_ctx);
}
}
/* Add selected active, if any. */
if (act_seq_is_selected) {
StripDrawContext strip_ctx = strip_draw_context_get(timeline_ctx, act_seq);
r_selected.append(strip_ctx);
}
}
static void draw_seq_strips(TimelineDrawContext *timeline_ctx,
const blender::Vector<StripDrawContext> &strips)
{
if (strips.is_empty()) {
return;
}
/* Draw parts of strips below thumbnails. */
GPU_blend(GPU_BLEND_ALPHA);
for (const StripDrawContext &strip_ctx : strips) {
draw_strip_background(timeline_ctx, &strip_ctx);
draw_strip_color_band(timeline_ctx, &strip_ctx);
draw_strip_offsets(timeline_ctx, &strip_ctx);
draw_seq_transition_strip(timeline_ctx, &strip_ctx);
drawmeta_contents(timeline_ctx, &strip_ctx);
}
timeline_ctx->quads->draw();
GPU_blend(GPU_BLEND_NONE);
/* Draw all thumbnails. */
for (const StripDrawContext &strip_ctx : strips) {
draw_seq_strip_thumbnail(timeline_ctx->v2d,
timeline_ctx->C,
timeline_ctx->scene,
strip_ctx.seq,
strip_ctx.bottom,
strip_ctx.strip_content_top,
timeline_ctx->pixelx,
timeline_ctx->pixely);
}
/* Draw parts of strips above thumbnails. */
GPU_blend(GPU_BLEND_ALPHA);
for (const StripDrawContext &strip_ctx : strips) {
draw_seq_fcurve_overlay(timeline_ctx, &strip_ctx);
draw_seq_waveform_overlay(timeline_ctx, &strip_ctx);
}
timeline_ctx->quads->draw();
GPU_blend(GPU_BLEND_NONE);
/* Locked state is drawn separately since it uses a different shader. */
draw_seq_locked(timeline_ctx, strips);
/* Draw the rest. */
GPU_blend(GPU_BLEND_ALPHA);
for (const StripDrawContext &strip_ctx : strips) {
draw_seq_invalid(timeline_ctx, &strip_ctx);
draw_effect_inputs_highlight(timeline_ctx, &strip_ctx);
draw_multicam_highlight(timeline_ctx, &strip_ctx);
draw_seq_solo_highlight(timeline_ctx, &strip_ctx);
draw_seq_handle(timeline_ctx, &strip_ctx, SEQ_LEFTHANDLE);
draw_seq_handle(timeline_ctx, &strip_ctx, SEQ_RIGHTHANDLE);
draw_seq_outline(timeline_ctx, &strip_ctx);
}
timeline_ctx->quads->draw();
GPU_blend(GPU_BLEND_NONE);
}
static void draw_seq_strips(TimelineDrawContext *timeline_ctx)
{
if (timeline_ctx->ed == nullptr) {
return;
}
blender::Vector<StripDrawContext> unselected, selected;
visible_strips_ordered_get(timeline_ctx, unselected, selected);
draw_seq_strips(timeline_ctx, unselected);
draw_seq_strips(timeline_ctx, selected);
/* Draw text overlay parts in the opposite order: first selected set, then
* unselected (UI_view2d_text_cache_add_rectf adds new text in front of
* other entries!). This is to make sure selected strip labels are on top
* of others while they are being dragged over. */
for (const StripDrawContext &strip_ctx : selected) {
draw_seq_text_overlay(timeline_ctx, &strip_ctx);
}
for (const StripDrawContext &strip_ctx : unselected) {
draw_seq_text_overlay(timeline_ctx, &strip_ctx);
}
UI_view2d_text_cache_draw(timeline_ctx->region);
}
static void draw_timeline_sfra_efra(TimelineDrawContext *ctx)
{
const Scene *scene = ctx->scene;
const View2D *v2d = ctx->v2d;
const Editing *ed = SEQ_editing_get(scene);
const int frame_sta = scene->r.sfra;
const int frame_end = scene->r.efra + 1;
GPU_blend(GPU_BLEND_ALPHA);
uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_3D_UNIFORM_COLOR);
/* Draw overlay outside of frame range. */
immUniformThemeColorShadeAlpha(TH_BACK, -10, -100);
if (frame_sta < frame_end) {
immRectf(pos, v2d->cur.xmin, v2d->cur.ymin, float(frame_sta), v2d->cur.ymax);
immRectf(pos, float(frame_end), v2d->cur.ymin, v2d->cur.xmax, v2d->cur.ymax);
}
else {
immRectf(pos, v2d->cur.xmin, v2d->cur.ymin, v2d->cur.xmax, v2d->cur.ymax);
}
immUniformThemeColorShade(TH_BACK, -60);
/* Draw frame range boundary. */
immBegin(GPU_PRIM_LINES, 4);
immVertex2f(pos, frame_sta, v2d->cur.ymin);
immVertex2f(pos, frame_sta, v2d->cur.ymax);
immVertex2f(pos, frame_end, v2d->cur.ymin);
immVertex2f(pos, frame_end, v2d->cur.ymax);
immEnd();
/* While in meta strip, draw a checkerboard overlay outside of frame range. */
if (ed && !BLI_listbase_is_empty(&ed->metastack)) {
const MetaStack *ms = static_cast<const MetaStack *>(ed->metastack.last);
immUnbindProgram();
immBindBuiltinProgram(GPU_SHADER_2D_CHECKER);
immUniform4f("color1", 0.0f, 0.0f, 0.0f, 0.22f);
immUniform4f("color2", 1.0f, 1.0f, 1.0f, 0.0f);
immUniform1i("size", 8);
immRectf(pos, v2d->cur.xmin, v2d->cur.ymin, ms->disp_range[0], v2d->cur.ymax);
immRectf(pos, ms->disp_range[1], v2d->cur.ymin, v2d->cur.xmax, v2d->cur.ymax);
immUnbindProgram();
immBindBuiltinProgram(GPU_SHADER_3D_UNIFORM_COLOR);
immUniformThemeColorShade(TH_BACK, -40);
immBegin(GPU_PRIM_LINES, 4);
immVertex2f(pos, ms->disp_range[0], v2d->cur.ymin);
immVertex2f(pos, ms->disp_range[0], v2d->cur.ymax);
immVertex2f(pos, ms->disp_range[1], v2d->cur.ymin);
immVertex2f(pos, ms->disp_range[1], v2d->cur.ymax);
immEnd();
}
immUnbindProgram();
GPU_blend(GPU_BLEND_NONE);
}
struct CacheDrawData {
View2D *v2d;
float stripe_ofs_y;
float stripe_ht;
int cache_flag;
SeqQuadsBatch *quads;
};
/* Called as a callback. */
static bool draw_cache_view_init_fn(void * /*userdata*/, size_t item_count)
{
return item_count == 0;
}
/* Called as a callback */
static bool draw_cache_view_iter_fn(void *userdata,
Sequence *seq,
int timeline_frame,
int cache_type)
{
using blender::uchar4;
CacheDrawData *drawdata = static_cast<CacheDrawData *>(userdata);
const View2D *v2d = drawdata->v2d;
float stripe_bot;
const uchar4 col_final{255, 102, 51, 100};
const uchar4 col_raw{255, 25, 5, 100};
const uchar4 col_preproc{25, 25, 191, 100};
const uchar4 col_composite{255, 153, 0, 100};
uchar4 col{0, 0, 0, 0};
if ((cache_type & SEQ_CACHE_STORE_FINAL_OUT) &&
(drawdata->cache_flag & SEQ_CACHE_VIEW_FINAL_OUT))
{
stripe_bot = UI_view2d_region_to_view_y(v2d, V2D_SCROLL_HANDLE_HEIGHT);
col = col_final;
}
else if ((cache_type & SEQ_CACHE_STORE_RAW) && (drawdata->cache_flag & SEQ_CACHE_VIEW_RAW)) {
stripe_bot = seq->machine + SEQ_STRIP_OFSBOTTOM + drawdata->stripe_ofs_y;
col = col_raw;
}
else if ((cache_type & SEQ_CACHE_STORE_PREPROCESSED) &&
(drawdata->cache_flag & SEQ_CACHE_VIEW_PREPROCESSED))
{
stripe_bot = seq->machine + SEQ_STRIP_OFSBOTTOM + drawdata->stripe_ht +
drawdata->stripe_ofs_y * 2;
col = col_preproc;
}
else if ((cache_type & SEQ_CACHE_STORE_COMPOSITE) &&
(drawdata->cache_flag & SEQ_CACHE_VIEW_COMPOSITE))
{
stripe_bot = seq->machine + SEQ_STRIP_OFSTOP - drawdata->stripe_ofs_y - drawdata->stripe_ht;
col = col_composite;
}
else {
return false;
}
float stripe_top = stripe_bot + drawdata->stripe_ht;
drawdata->quads->add_quad(timeline_frame, stripe_bot, timeline_frame + 1, stripe_top, col);
return false;
}
static void draw_cache_stripe(const Scene *scene,
const Sequence *seq,
SeqQuadsBatch &quads,
const float stripe_bot,
const float stripe_ht,
const uchar color[4])
{
quads.add_quad(SEQ_time_left_handle_frame_get(scene, seq),
stripe_bot,
SEQ_time_right_handle_frame_get(scene, seq),
stripe_bot + stripe_ht,
color);
}
static void draw_cache_background(const bContext *C, CacheDrawData *draw_data)
{
using blender::uchar4;
Scene *scene = CTX_data_scene(C);
View2D *v2d = UI_view2d_fromcontext(C);
const uchar4 bg_final{255, 102, 51, 25};
const uchar4 bg_raw{255, 25, 5, 25};
const uchar4 bg_preproc{25, 25, 191, 25};
const uchar4 bg_composite{255, 153, 0, 25};
float stripe_bot;
if (scene->ed->cache_flag & SEQ_CACHE_VIEW_FINAL_OUT) {
stripe_bot = UI_view2d_region_to_view_y(v2d, V2D_SCROLL_HANDLE_HEIGHT);
draw_data->quads->add_quad(
scene->r.sfra, stripe_bot, scene->r.efra, stripe_bot + draw_data->stripe_ht, bg_final);
}
blender::Vector<Sequence *> strips = sequencer_visible_strips_get(C);
strips.remove_if([&](Sequence *seq) { return seq->type == SEQ_TYPE_SOUND_RAM; });
for (const Sequence *seq : strips) {
stripe_bot = seq->machine + SEQ_STRIP_OFSBOTTOM + draw_data->stripe_ofs_y;
if (scene->ed->cache_flag & SEQ_CACHE_VIEW_RAW) {
draw_cache_stripe(scene, seq, *draw_data->quads, stripe_bot, draw_data->stripe_ht, bg_raw);
}
if (scene->ed->cache_flag & SEQ_CACHE_VIEW_PREPROCESSED) {
stripe_bot += draw_data->stripe_ht + draw_data->stripe_ofs_y;
draw_cache_stripe(
scene, seq, *draw_data->quads, stripe_bot, draw_data->stripe_ht, bg_preproc);
}
if (scene->ed->cache_flag & SEQ_CACHE_VIEW_COMPOSITE) {
stripe_bot = seq->machine + SEQ_STRIP_OFSTOP - draw_data->stripe_ofs_y -
draw_data->stripe_ht;
draw_cache_stripe(
scene, seq, *draw_data->quads, stripe_bot, draw_data->stripe_ht, bg_composite);
}
}
}
static void draw_cache_view(const bContext *C)
{
Scene *scene = CTX_data_scene(C);
View2D *v2d = UI_view2d_fromcontext(C);
if ((scene->ed->cache_flag & SEQ_CACHE_VIEW_ENABLE) == 0) {
return;
}
float stripe_ofs_y = UI_view2d_region_to_view_y(v2d, 1.0f) - v2d->cur.ymin;
float stripe_ht = UI_view2d_region_to_view_y(v2d, 4.0f * UI_SCALE_FAC * U.pixelsize) -
v2d->cur.ymin;
CLAMP_MAX(stripe_ht, 0.2f);
CLAMP_MIN(stripe_ofs_y, stripe_ht / 2);
SeqQuadsBatch quads;
CacheDrawData userdata;
userdata.v2d = v2d;
userdata.stripe_ofs_y = stripe_ofs_y;
userdata.stripe_ht = stripe_ht;
userdata.cache_flag = scene->ed->cache_flag;
userdata.quads = &quads;
GPU_blend(GPU_BLEND_ALPHA);
draw_cache_background(C, &userdata);
SEQ_cache_iterate(scene, &userdata, draw_cache_view_init_fn, draw_cache_view_iter_fn);
quads.draw();
GPU_blend(GPU_BLEND_NONE);
}
/* Draw sequencer timeline. */
static void draw_overlap_frame_indicator(const Scene *scene, const View2D *v2d)
{
int overlap_frame = (scene->ed->overlay_frame_flag & SEQ_EDIT_OVERLAY_FRAME_ABS) ?
scene->ed->overlay_frame_abs :
scene->r.cfra + scene->ed->overlay_frame_ofs;
uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_3D_LINE_DASHED_UNIFORM_COLOR);
float viewport_size[4];
GPU_viewport_size_get_f(viewport_size);
immUniform2f("viewport_size", viewport_size[2], viewport_size[3]);
/* Shader may have color set from past usage - reset it. */
immUniform1i("colors_len", 0);
immUniform1f("dash_width", 20.0f * U.pixelsize);
immUniform1f("udash_factor", 0.5f);
immUniformThemeColor(TH_CFRAME);
immBegin(GPU_PRIM_LINES, 2);
immVertex2f(pos, overlap_frame, v2d->cur.ymin);
immVertex2f(pos, overlap_frame, v2d->cur.ymax);
immEnd();
immUnbindProgram();
}
static void draw_timeline_grid(TimelineDrawContext *ctx)
{
if ((ctx->sseq->flag & SEQ_SHOW_OVERLAY) == 0 ||
(ctx->sseq->timeline_overlay.flag & SEQ_TIMELINE_SHOW_GRID) == 0)
{
return;
}
U.v2d_min_gridsize *= 3;
UI_view2d_draw_lines_x__discrete_frames_or_seconds(
ctx->v2d, ctx->scene, (ctx->sseq->flag & SEQ_DRAWFRAMES) == 0, false);
U.v2d_min_gridsize /= 3;
}
static void draw_timeline_backdrop(TimelineDrawContext *ctx)
{
if (ctx->sseq->view != SEQ_VIEW_SEQUENCE || (ctx->sseq->draw_flag & SEQ_DRAW_BACKDROP) == 0) {
return;
}
int preview_frame = ctx->scene->r.cfra;
if (sequencer_draw_get_transform_preview(ctx->sseq, ctx->scene)) {
preview_frame = sequencer_draw_get_transform_preview_frame(ctx->scene);
}
sequencer_draw_preview(
ctx->C, ctx->scene, ctx->region, ctx->sseq, preview_frame, 0, false, true);
UI_view2d_view_ortho(ctx->v2d);
}
static void draw_timeline_markers(TimelineDrawContext *ctx)
{
if ((ctx->sseq->flag & SEQ_SHOW_MARKERS) == 0) {
return;
}
UI_view2d_view_orthoSpecial(ctx->region, ctx->v2d, true);
ED_markers_draw(ctx->C, DRAW_MARKERS_MARGIN);
}
static void draw_timeline_gizmos(TimelineDrawContext *ctx)
{
if ((ctx->sseq->gizmo_flag & SEQ_GIZMO_HIDE) != 0) {
return;
}
WM_gizmomap_draw(ctx->region->gizmo_map, ctx->C, WM_GIZMOMAP_DRAWSTEP_2D);
}
static void draw_timeline_pre_view_callbacks(TimelineDrawContext *ctx)
{
GPU_framebuffer_bind_no_srgb(ctx->framebuffer_overlay);
GPU_depth_test(GPU_DEPTH_NONE);
GPU_framebuffer_bind(ctx->framebuffer_overlay);
ED_region_draw_cb_draw(ctx->C, ctx->region, REGION_DRAW_PRE_VIEW);
GPU_framebuffer_bind_no_srgb(ctx->framebuffer_overlay);
}
static void draw_timeline_post_view_callbacks(TimelineDrawContext *ctx)
{
GPU_framebuffer_bind(ctx->framebuffer_overlay);
ED_region_draw_cb_draw(ctx->C, ctx->region, REGION_DRAW_POST_VIEW);
GPU_framebuffer_bind_no_srgb(ctx->framebuffer_overlay);
}
void draw_timeline_seq(const bContext *C, ARegion *region)
{
SeqQuadsBatch quads_batch;
TimelineDrawContext ctx = timeline_draw_context_get(C);
ctx.quads = &quads_batch;
draw_timeline_pre_view_callbacks(&ctx);
UI_ThemeClearColor(TH_BACK);
draw_seq_timeline_channels(&ctx);
draw_timeline_grid(&ctx);
draw_timeline_backdrop(&ctx);
draw_timeline_sfra_efra(&ctx);
draw_seq_strips(&ctx);
sequencer_draw_retiming(C, &quads_batch);
draw_timeline_markers(&ctx);
UI_view2d_view_ortho(ctx.v2d);
ANIM_draw_previewrange(C, ctx.v2d, 1);
draw_timeline_gizmos(&ctx);
draw_timeline_post_view_callbacks(&ctx);
ED_time_scrub_draw(region, ctx.scene, !(ctx.sseq->flag & SEQ_DRAWFRAMES), true);
seq_prefetch_wm_notify(C, ctx.scene);
}
void draw_timeline_seq_display(const bContext *C, ARegion *region)
{
const Scene *scene = CTX_data_scene(C);
const SpaceSeq *sseq = CTX_wm_space_seq(C);
View2D *v2d = &region->v2d;
if (scene->ed != nullptr) {
UI_view2d_view_ortho(v2d);
draw_cache_view(C);
if (scene->ed->overlay_frame_flag & SEQ_EDIT_OVERLAY_FRAME_SHOW) {
draw_overlap_frame_indicator(scene, v2d);
}
UI_view2d_view_restore(C);
}
ED_time_scrub_draw_current_frame(region, scene, !(sseq->flag & SEQ_DRAWFRAMES));
const ListBase *seqbase = SEQ_active_seqbase_get(SEQ_editing_get(scene));
SEQ_timeline_boundbox(scene, seqbase, &v2d->tot);
const rcti scroller_mask = ED_time_scrub_clamp_scroller_mask(v2d->mask);
UI_view2d_scrollers_draw(v2d, &scroller_mask);
}
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