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# SPDX-License-Identifier: GPL-3.0-or-later
# Copyright 2016-2020 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors
# This file is part of Power Sequencer.
import bpy
from operator import attrgetter
from .utils.global_settings import SequenceTypes
from .utils.doc import doc_name, doc_idname, doc_brief, doc_description
class POWER_SEQUENCER_OT_transitions_remove(bpy.types.Operator):
"""
Delete a crossfade strip and moves the handles of the input strips to form a cut again
"""
doc = {
"name": doc_name(__qualname__),
"demo": "",
"description": doc_description(__doc__),
"shortcuts": [],
"keymap": "Sequencer",
}
bl_idname = doc_idname(__qualname__)
bl_label = doc["name"]
bl_description = doc_brief(doc["description"])
bl_options = {"REGISTER", "UNDO"}
sequences_override = []
@classmethod
def poll(cls, context):
return context.selected_sequences
def execute(self, context):
to_process = (
self.sequences_override if self.sequences_override else context.selected_sequences
)
transitions = [s for s in to_process if s.type in SequenceTypes.TRANSITION]
if not transitions:
return {"FINISHED"}
saved_selection = [
s for s in context.selected_sequences if s.type not in SequenceTypes.TRANSITION
]
bpy.ops.sequencer.select_all(action="DESELECT")
for transition in transitions:
effect_middle_frame = round(
(transition.frame_final_start + transition.frame_final_end) / 2
)
inputs = [transition.input_1, transition.input_2]
strips_to_edit = []
for input in inputs:
if input.type in SequenceTypes.EFFECT and hasattr(input, "input_1"):
strips_to_edit.append(input.input_1)
else:
strips_to_edit.append(input)
strip_1 = min(strips_to_edit, key=attrgetter("frame_final_end"))
strip_2 = max(strips_to_edit, key=attrgetter("frame_final_end"))
strip_1.frame_final_end = effect_middle_frame
strip_2.frame_final_start = effect_middle_frame
transition.select = True
bpy.ops.sequencer.delete()
for s in saved_selection:
s.select = True
return {"FINISHED"}
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