name : ubuntu-core.script # ubuntu-core.script - boot splash plugin # # Copyright (C) 2022 Canonical Ltd. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA # 02111-1307, USA. fun WriteText(text, colour) { # Ubuntu Font font = "Ubuntu, sans-serif 16"; font_alignment = "center"; image = Image.Text(text, colour.red, colour.green, colour.blue, colour.alpha, font, font_alignment); } fun message_callback(message) { text_img = WriteText(message, white); # Text centered in last quarter of the screen text.x = Window.GetX() + (Window.GetWidth() - text_img.GetWidth())/2; text.y = Window.GetY() + 7*Window.GetHeight()/8 - text_img.GetHeight() - 10; text_sprite.SetImage(text_img); # x,y,z position text_sprite.SetPosition(text.x, text.y, 2000); # debug_img = Image.Text("Width: " + text_img.GetWidth(), # white.red, white.green, white.blue, white.alpha); # debug_sprite.SetImage(debug_img); # debug_sprite.SetPosition(Window.GetX()+10,Window.GetY() + 10, 2000); } # Called 50 times every second. # NOTE: if a refresh function is not set, Plymouth doesn't seem to be able to # update the screen correctly. This happens, for instance, when getty # takes control of the screen. We need to update with the splash at # that moment (also, this produces a blink). Calling again SetImage # is needed for the update to happen. fun refresh_callback() { logo.sprite.SetImage(logo.image); logo.sprite.SetPosition(logo.x, logo.y, logo.z); logo.sprite.SetOpacity(1); # Spinner if (++spin.frame_cnt % spin.refresh_rate == 0) { if (++spin.idx == 31) spin.idx = 1; spin.image = Image(spin.base_name + spin.idx + ".png"); } spin.sprite.SetImage(spin.image); spin.sprite.SetPosition(spin.x, spin.y, spin.z); spin.sprite.SetOpacity(1); if (uc_logo.raw_image != NULL) { uc_logo.sprite.SetImage(uc_logo.image); uc_logo.sprite.SetPosition(uc_logo.x, uc_logo.y, uc_logo.z); uc_logo.sprite.SetOpacity(1); } } white.red = 1.0; white.green = 1.0; white.blue = 1.0; # Warning: Sprites need to be global variables, apparently text_sprite = Sprite(); #debug_sprite = Sprite(); logo.raw_image = Image("run/mnt/gadget/splash/vendor-logo.png"); uc_logo.raw_image = NULL; if (logo.raw_image == NULL) { logo.raw_image = Image("usr/share/plymouth/themes/ubuntu-core/ubuntu-core.png"); } else { uc_logo.raw_image = Image("usr/share/plymouth/themes/ubuntu-core/ubuntu-core.png"); uc_logo_w = Window.GetWidth()/5; uc_logo.image = uc_logo.raw_image.Scale(uc_logo_w, uc_logo_w*uc_logo.raw_image.GetHeight()/uc_logo.raw_image.GetWidth()); uc_logo.sprite = Sprite(); # Logo touching the top and in the last 8th of the screen uc_logo.x = Window.GetX() + Window.GetWidth()/2 - uc_logo.image.GetWidth()/2; uc_logo.y = Window.GetY() + 7*Window.GetHeight()/8; uc_logo.z = 100; } logo_w = 2*Window.GetWidth()/3; logo.image = logo.raw_image.Scale(logo_w, logo_w*logo.raw_image.GetHeight()/logo.raw_image.GetWidth()); logo.sprite = Sprite(); # Logo right on top of the low-half of the screen logo.x = Window.GetX() + Window.GetWidth()/2 - logo.image.GetWidth()/2; logo.y = Window.GetY() + Window.GetHeight()/2 - logo.image.GetHeight(); logo.z = 100; spin.base_name = "usr/share/plymouth/themes/ubuntu-core/throbber-"; spin.idx = 1; spin.refresh_rate = 5; spin.frame_cnt = 0; spin.image = Image(spin.base_name + spin.idx + ".png"); spin.sprite = Sprite(); # Spin between third and fourth quarters spin.x = Window.GetX() + Window.GetWidth()/2 - spin.image.GetWidth()/2; spin.y = Window.GetY() + 3*Window.GetHeight()/4 - spin.image.GetHeight()/2; spin.z = 100; refresh_callback(); Plymouth.SetMessageFunction(message_callback); Plymouth.SetRefreshFunction(refresh_callback);