42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _GRAPHICS_H_
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#define _GRAPHICS_H_
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#include "minui.h"
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// TODO: lose the function pointers.
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struct minui_backend {
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// Initializes the backend and returns a gr_surface to draw into.
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gr_surface (*init)(minui_backend*);
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// Causes the current drawing surface (returned by the most recent
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// call to flip() or init()) to be displayed, and returns a new
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// drawing surface.
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gr_surface (*flip)(minui_backend*);
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// Blank (or unblank) the screen.
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void (*blank)(minui_backend*, bool);
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// Device cleanup when drawing is done.
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void (*exit)(minui_backend*);
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};
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minui_backend* open_fbdev();
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minui_backend* open_adf();
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#endif
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