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# OpenShot Video Editor is a program that creates, modifies, and edits video files.
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# Copyright (C) 2009 Jonathan Thomas
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# This file is part of OpenShot Video Editor (http://launchpad.net/openshot/).
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# OpenShot Video Editor is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# OpenShot Video Editor is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with OpenShot Video Editor. If not, see <http://www.gnu.org/licenses/>.
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from classes import clip, files, transition
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# init the foreign language
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from language import Language_Init
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"""The track class contains a simple grouping of clips on the same layer (aka track)."""
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#----------------------------------------------------------------------
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def __init__(self, track_name, parent_sequence):
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# Add language support
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translator = Language_Init.Translator(parent_sequence.project)
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_ = translator.lang.gettext
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# init variables for sequence
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self.name = track_name
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self.x = 10 # left x coordinate to start the track
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self.y_top = 0 # top y coordinate of this track
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self.y_bottom = 0 # bottom y coordinate of this track
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self.parent = parent_sequence # reference to parent sequence object
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self.play_video = True
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self.play_audio = True
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self.unique_id = str(uuid.uuid1())
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# init the tracks on the sequence
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def AddClip(self, clip_name, color, position_on_track, start_time, end_time, file_object):
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# Create new clip object and append to list
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NewClip = clip.clip(clip_name, color, position_on_track, start_time, end_time, self, file_object)
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# Adjust default length of images (all images default to 300 seconds.. i.e. 5 minutes)
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# But since nobody wants an image to default to 5 minutes long, we adjust it to the default image length.
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if NewClip.length() == 300.0:
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from windows import preferences
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NewClip.end_time = NewClip.start_time + float(preferences.Settings.general["imported_image_length"])#7.0
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# Add clip to track's clip list
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self.clips.append(NewClip)
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# mark project as modified
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self.parent.project.set_project_modified(is_modified=True, refresh_xml=True)
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def AddTransition(self, transition_name, position_on_track, length, resource):
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# mark project as modified
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self.parent.project.set_project_modified(is_modified=True, refresh_xml=True)
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# create a new transition object
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new_transition = transition.transition(transition_name, position_on_track, length, resource, self)
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# insert new transition
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self.transitions.append(new_transition)
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# loop through each track
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for MyClip in self.clips:
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def GenerateXML(self, dom, xmlParentNode):
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playlist = dom.createElement("playlist")
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playlist.setAttribute("id", self.name)
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xmlParentNode.appendChild(playlist)
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# loop through each track
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for MyClip in self.clips:
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current_frame = MyClip.GenerateXML(dom, playlist, current_frame)
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#----------------------------------------------------------------------
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def RenderTrack(self):
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"""This adds a track to the canvas with 3 images: a left, middle, and right"""
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# get the pixels per second from the parent sequence
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pixels_per_second = self.parent.get_pixels_per_second()
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# get the previous track from the parent sequence (if any)
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previous_track_index = self.parent.tracks.index(self) - 1
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previous_track = None
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previous_y_bottom = 0
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if (previous_track_index >= 0):
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previous_track = self.parent.tracks[previous_track_index]
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previous_y_top = previous_track.y_top
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previous_y_bottom = previous_track.y_bottom
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# set the top coordinate of this track to the bottom coordinate of the last track
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self.y_top = previous_y_bottom + 6
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# get a reference to the 2 main canvas objects & theme
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theme = self.parent.project.theme
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canvas_left = self.parent.project.form.MyCanvas_Left
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canvas_right = self.parent.project.form.MyCanvas
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# Add an item to the goocanvas
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root_left = canvas_left.get_root_item ()
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root_right = canvas_right.get_root_item ()
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imgTrack_Left = gtk.image_new_from_file("%s/openshot/themes/%s/Track_Left.png" % (self.parent.project.form.openshot_path, theme))
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imgTrack_Middle = gtk.image_new_from_file("%s/openshot/themes/%s/Track_Middle.png" % (self.parent.project.form.openshot_path, theme))
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imgTrack_Right = gtk.image_new_from_file("%s/openshot/themes/%s/Track_Right.png" % (self.parent.project.form.openshot_path, theme))
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# Get Height and Width of Images
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imgTrack_Left_Height = imgTrack_Left.get_pixbuf().get_height()
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imgTrack_Left_Width = imgTrack_Left.get_pixbuf().get_width()
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imgTrack_Right_Width = imgTrack_Right.get_pixbuf().get_width()
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# Get Size of Window (to determine how wide the middle image should be streched)
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Size_Of_Middle = int(pixels_per_second * self.parent.length)
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# Resize Middle pixbuf
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middlePixBuf = imgTrack_Middle.get_pixbuf()
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pixbuf_list = self.parent.split_images(middlePixBuf, imgTrack_Left_Height, Size_Of_Middle)
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# Create Group (for the track)
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GroupTrack = goocanvas.Group (parent = root_right)
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GroupTrack_Left = goocanvas.Group (parent = root_left)
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# set the unique ID of the group
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GroupTrack.set_data ("id", self.unique_id)
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# Add Left Image to Group
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image1 = goocanvas.Image (parent = GroupTrack_Left,
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pixbuf = imgTrack_Left.get_pixbuf(),
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# Track the state of the hover over image
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image1.set_data ("id", "normal")
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image1.connect ("button_press_event", self.on_focus_in)
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# Add Middle Image to Group (this can be multiple image tiled together
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for pixbuf in pixbuf_list:
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# get width of this pixbuf
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pixbuf_width = pixbuf.get_width()
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image2 = goocanvas.Image (parent = GroupTrack,
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pixbuf_x = pixbuf_x + pixbuf_width
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# Add Middle Image to Group
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image3 = goocanvas.Image (parent = GroupTrack,
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pixbuf = imgTrack_Right.get_pixbuf(),
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x = Size_Of_Middle - 1,
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# Add Text to the Track
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text1 = goocanvas.Text (parent = GroupTrack_Left,
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text = "%s" % self.name,
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imgTrack_Visible = gtk.image_new_from_file("%s/openshot/themes/%s/visible.png" % (self.parent.project.form.openshot_path, theme))
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imgTrack_Visible = gtk.image_new_from_file("%s/openshot/themes/%s/not_visible.png" % (self.parent.project.form.openshot_path, theme))
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imgTrack_Audio = gtk.image_new_from_file("%s/openshot/themes/%s/speaker.png" % (self.parent.project.form.openshot_path, theme))
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imgTrack_Audio = gtk.image_new_from_file("%s/openshot/themes/%s/speaker_mute.png" % (self.parent.project.form.openshot_path, theme))
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# Add Visible Image to Group
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image4 = goocanvas.Image (parent = GroupTrack_Left,
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pixbuf = imgTrack_Visible.get_pixbuf(),
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# Track the state of the hover over image
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image4.connect ("button_press_event", self.on_visible_click)
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# Add Visible Image to Group
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image5 = goocanvas.Image (parent = GroupTrack_Left,
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pixbuf = imgTrack_Audio.get_pixbuf(),
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# Track the state of the hover over image
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image5.connect ("button_press_event", self.on_audio_click)
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# Increment the Y cooridinate (by the height of the left image)
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self.y_bottom = self.y_top + imgTrack_Left_Height
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def on_visible_click (self, item, target, event):
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# get the parent left group
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parent_group = item.get_parent()
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# mark project as modified
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self.parent.project.set_project_modified(is_modified=True, refresh_xml=True)
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if self.play_video == True:
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imgTrack_Left_Hover = gtk.image_new_from_file("%s/openshot/themes/%s/not_visible.png" % (self.parent.project.form.openshot_path, self.parent.project.theme))
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item.set_properties(pixbuf = imgTrack_Left_Hover.get_pixbuf())
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# update play video variable
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self.play_video = False
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imgTrack_Left_Hover = gtk.image_new_from_file("%s/openshot/themes/%s/visible.png" % (self.parent.project.form.openshot_path, self.parent.project.theme))
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item.set_properties(pixbuf = imgTrack_Left_Hover.get_pixbuf())
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# update play video variable
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self.play_video = True
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def on_audio_click (self, item, target, event):
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# get the parent left group
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parent_group = item.get_parent()
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# mark project as modified
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self.parent.project.set_project_modified(is_modified=True, refresh_xml=True)
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if self.play_audio == True:
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imgTrack_Left_Hover = gtk.image_new_from_file("%s/openshot/themes/%s/speaker_mute.png" % (self.parent.project.form.openshot_path, self.parent.project.theme))
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item.set_properties(pixbuf = imgTrack_Left_Hover.get_pixbuf())
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# update play audio variable
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self.play_audio = False
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imgTrack_Left_Hover = gtk.image_new_from_file("%s/openshot/themes/%s/speaker.png" % (self.parent.project.form.openshot_path, self.parent.project.theme))
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item.set_properties(pixbuf = imgTrack_Left_Hover.get_pixbuf())
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# update play audio variable
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self.play_audio = True
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def on_focus_in (self, item, target, event):
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isinstance(item, goocanvas.Image)
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id = item.get_data ("id")
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if event.button == 3:
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# show the track popup menu
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self.parent.project.form.mnuTrack1.showmnu(event, self)
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imgTrack_Left_Hover = gtk.image_new_from_file("%s/openshot/themes/%s/Track_Left_Hover.png" % (self.parent.project.form.openshot_path, self.parent.project.theme))
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item.set_properties(pixbuf = imgTrack_Left_Hover.get_pixbuf())
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item.set_data("id", "hover")
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imgTrack_Left_Hover = gtk.image_new_from_file("%s/openshot/themes/%s/Track_Left.png" % (self.parent.project.form.openshot_path, self.parent.project.theme))
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item.set_properties(pixbuf = imgTrack_Left_Hover.get_pixbuf())
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item.set_data("id", "normal")
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def reorder_clips(self):
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# get a list of all clips on this track
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self.clips.sort(self.compare_clip)
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def compare_clip(self, MyClip1, MyClip2):
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if MyClip1.position_on_track > MyClip2.position_on_track:
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elif MyClip1.position_on_track == MyClip2.position_on_track:
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def reorder_transitions(self):
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# get a list of all clips on this track
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self.transitions.sort(self.compare_transitions)
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def compare_transitions(self, MyClip1, MyClip2):
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if MyClip1.position_on_track > MyClip2.position_on_track:
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elif MyClip1.position_on_track == MyClip2.position_on_track:
b'\\ No newline at end of file'
added
removed
openshot/openshot/classes/track.py
