platform_bootable_recovery/minui/graphics.h
Greg Hackmann 41909ddefb recovery: minui: add adf backend
Change-Id: I1ad97b5b62bddbcb1104fa0b4e54415b793a4194
Signed-off-by: Greg Hackmann <ghackmann@google.com>
2014-04-25 15:47:34 -07:00

50 lines
1.4 KiB
C

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