Differential D12974 Diff 43829 source/blender/sequencer/intern/strip_time.c

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source/blender/sequencer/intern/strip_time.c

Show First 20 Lines • Show All 370 Lines • ▼ Show 20 Lines	case SEQ_TYPE_SCENE:
return (float)seq->scene->r.frs_sec / seq->scene->r.frs_sec_base;		return (float)seq->scene->r.frs_sec / seq->scene->r.frs_sec_base;
}		}
break;		break;
}		}
return 0.0f;		return 0.0f;
}		}

/**		/**
* Define boundary rectangle of sequencer timeline and fill in rect data		* Initialize given rectangle with the Scene's timeline boundaries.
*		*
* \param scene: Scene in which strips are located		* \param scene: the Scene instance whose timeline boundaries are extracted from
* \param seqbase: ListBase in which strips are located		* \param rect: output parameter to be filled with timeline boundaries
* \param rect: data structure describing rectangle, that will be filled in by this function
*/		*/
void SEQ_timeline_boundbox(const Scene scene, const ListBase seqbase, rctf *rect)		void SEQ_timeline_init_boundbox(const Scene scene, rctf rect)
{		{
rect->xmin = scene->r.sfra;		rect->xmin = scene->r.sfra;
rect->xmax = scene->r.efra + 1;		rect->xmax = scene->r.efra + 1;
rect->ymin = 0.0f;		rect->ymin = 0.0f;
rect->ymax = 8.0f;		rect->ymax = 8.0f;
		}

		/**
		* Stretch the given rectangle to include the given strips boundaries
		*
		* \param seqbase: ListBase in which strips are located
		* \param rect: output parameter to be filled with strips' boundaries
		*/
		void SEQ_timeline_expand_boundbox(const ListBase seqbase, rctf rect)
		{
if (seqbase == NULL) {		if (seqbase == NULL) {
return;		return;
}		}

LISTBASE_FOREACH (Sequence *, seq, seqbase) {		LISTBASE_FOREACH (Sequence *, seq, seqbase) {
if (rect->xmin > seq->startdisp - 1) {		if (rect->xmin > seq->startdisp - 1) {
rect->xmin = seq->startdisp - 1;		rect->xmin = seq->startdisp - 1;
}		}
if (rect->xmax < seq->enddisp + 1) {		if (rect->xmax < seq->enddisp + 1) {
rect->xmax = seq->enddisp + 1;		rect->xmax = seq->enddisp + 1;
}		}
if (rect->ymax < seq->machine + 2) {		if (rect->ymax < seq->machine + 2) {
rect->ymax = seq->machine + 2;		rect->ymax = seq->machine + 2;
}		}
}		}
}		}

		/**
		* Define boundary rectangle of sequencer timeline and fill in rect data
		*
		* \param scene: Scene in which strips are located
		* \param seqbase: ListBase in which strips are located
		* \param rect: data structure describing rectangle, that will be filled in by this function
		*/
		void SEQ_timeline_boundbox(const Scene scene, const ListBase seqbase, rctf *rect)
		{
		SEQ_timeline_init_boundbox(scene, rect);
		SEQ_timeline_expand_boundbox(seqbase, rect);
		}

static bool strip_exists_at_frame(SeqCollection *all_strips, const int timeline_frame)		static bool strip_exists_at_frame(SeqCollection *all_strips, const int timeline_frame)
{		{
Sequence *seq;		Sequence *seq;
SEQ_ITERATOR_FOREACH (seq, all_strips) {		SEQ_ITERATOR_FOREACH (seq, all_strips) {
if (SEQ_time_strip_intersects_frame(seq, timeline_frame)) {		if (SEQ_time_strip_intersects_frame(seq, timeline_frame)) {
return true;		return true;
}		}
}		}
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