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30 lines
1.4 KiB
Go
30 lines
1.4 KiB
Go
// This file is part of Gopher2600.
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//
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// Gopher2600 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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//
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// Gopher2600 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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//
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// You should have received a copy of the GNU General Public License
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// along with Gopher2600. If not, see <https://www.gnu.org/licenses/>.
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//
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// *** NOTE: all historical versions of this file, as found in any
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// git repository, are also covered by the licence, even when this
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// notice is not present ***
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// Package gui is an abstraction layer for real GUI implementations. It defines
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// the Events that can be passed from the GUI to the emulation code and also
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// the Requests that can be made from the emulation code to the GUI.
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// Implementations need to convert their specific signals and requests to and
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// from these abstractions.
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//
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// It also introduces the idea of metapixels. Metapixels can be thought of as
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// supplementary signals to the underlying television. The GUI can then present
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// the metapixels as an overlay. The ReqToggleOverlay request is intended for
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// this.
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package gui
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