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# SPDX-License-Identifier: GPL-3.0-or-later
# Copyright (C) 2016-2020 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors
import bpy
import operator
from .utils.global_settings import SequenceTypes
from .utils.functions import convert_duration_to_frames
from .utils.doc import doc_name, doc_idname, doc_brief, doc_description
class POWER_SEQUENCER_OT_make_hold_frame(bpy.types.Operator):
"""
*brief* Make a hold frame from the active strip
Converts the image under the cursor to a hold frame, to create a pause effect in the video,
using the active sequence
"""
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"}
strip_duration: bpy.props.FloatProperty(
name="Strip Duration",
description="The duration in seconds of the new strip, if 0.0 it will use the gap as its duration",
default=0.0,
min=0.0,
)
@classmethod
def poll(cls, context):
return context.scene.sequence_editor.active_strip.type in SequenceTypes.VIDEO
def invoke(self, context, event):
window_manager = context.window_manager
return window_manager.invoke_props_dialog(self)
def execute(self, context):
scene = context.scene
active = scene.sequence_editor.active_strip
sequencer = bpy.ops.sequencer
transform = bpy.ops.transform
frame_start = scene.frame_current
if not active.frame_final_start <= frame_start < active.frame_final_end:
return {"FINISHED"}
if frame_start == active.frame_final_start:
scene.frame_current = frame_start + 1
# Detect the gap automatically
offset = convert_duration_to_frames(context, self.strip_duration)
if self.strip_duration <= 0.0:
try:
next_strip_start = next(
s
for s in sorted(context.sequences, key=operator.attrgetter("frame_final_start"))
if s.frame_final_start > active.frame_final_end
).frame_final_start
offset = next_strip_start - active.frame_final_end
except Exception:
pass
active.select = True
source_blend_type = active.blend_type
sequencer.split(frame=scene.frame_current, type="SOFT", side="RIGHT")
transform.seq_slide(value=(offset, 0))
sequencer.split(frame=scene.frame_current + offset + 1, type="SOFT", side="LEFT")
transform.seq_slide(value=(-offset, 0))
sequencer.meta_make()
active = scene.sequence_editor.active_strip
active.name = "Hold frame"
active.blend_type = source_blend_type
active.select_right_handle = True
transform.seq_slide(value=(offset, 0))
scene.frame_current = frame_start
active.select = True
active.select_right_handle = False
active.select_left_handle = False
return {"FINISHED"}
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