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protocol/screencopy: Add damage reporting
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1 changed files with 30 additions and 2 deletions
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@ -2,6 +2,7 @@
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<protocol name="wlr_screencopy_unstable_v1">
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<copyright>
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Copyright © 2018 Simon Ser
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Copyright © 2019 Andri Yngvason
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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interface version number is reset.
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</description>
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<interface name="zwlr_screencopy_manager_v1" version="1">
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<interface name="zwlr_screencopy_manager_v1" version="2">
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<description summary="manager to inform clients and begin capturing">
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This object is a manager which offers requests to start capturing from a
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source.
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</request>
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</interface>
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<interface name="zwlr_screencopy_frame_v1" version="1">
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<interface name="zwlr_screencopy_frame_v1" version="2">
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<description summary="a frame ready for copy">
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This object represents a single frame.
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Destroys the frame. This request can be sent at any time by the client.
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</description>
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</request>
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<!-- Version 2 additions -->
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<request name="copy_with_damage" since="2">
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<description summary="copy the frame when it's damaged">
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Same as copy, except it waits until there is damage to copy.
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</description>
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<arg name="buffer" type="object" interface="wl_buffer"/>
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</request>
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<event name="damage" since="2">
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<description summary="carries the coordinates of the damaged region">
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This event is sent right before the ready event when copy_with_damage is
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requested. It may be generated multiple times for each copy_with_damage
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request.
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The arguments describe a box around an area that has changed since the
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last copy request that was derived from the current screencopy manager
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instance.
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The union of all regions received between the call to copy_with_damage
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and a ready event is the total damage since the prior ready event.
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</description>
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<arg name="x" type="uint" summary="damaged x coordinates"/>
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<arg name="y" type="uint" summary="damaged y coordinates"/>
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<arg name="width" type="uint" summary="current width"/>
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<arg name="height" type="uint" summary="current height"/>
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</event>
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</interface>
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</protocol>
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