1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (C) 2014 The Android Open Source Project 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Licensed under the Apache License, Version 2.0 (the "License"); 5*4882a593Smuzhiyun * you may not use this file except in compliance with the License. 6*4882a593Smuzhiyun * You may obtain a copy of the License at 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * http://www.apache.org/licenses/LICENSE-2.0 9*4882a593Smuzhiyun * 10*4882a593Smuzhiyun * Unless required by applicable law or agreed to in writing, software 11*4882a593Smuzhiyun * distributed under the License is distributed on an "AS IS" BASIS, 12*4882a593Smuzhiyun * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*4882a593Smuzhiyun * See the License for the specific language governing permissions and 14*4882a593Smuzhiyun * limitations under the License. 15*4882a593Smuzhiyun */ 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #ifndef _GRAPHICS_H_ 18*4882a593Smuzhiyun #define _GRAPHICS_H_ 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #ifdef __cplusplus 21*4882a593Smuzhiyun extern "C" { 22*4882a593Smuzhiyun #endif 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #include <stdbool.h> 25*4882a593Smuzhiyun #include "minui.h" 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun typedef struct minui_backend { 28*4882a593Smuzhiyun // Initializes the backend and returns a gr_surface to draw into. 29*4882a593Smuzhiyun gr_surface (*init)(struct minui_backend*); 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun // Causes the current drawing surface (returned by the most recent 32*4882a593Smuzhiyun // call to flip() or init()) to be displayed, and returns a new 33*4882a593Smuzhiyun // drawing surface. 34*4882a593Smuzhiyun gr_surface (*flip)(struct minui_backend*); 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun // Blank (or unblank) the screen. 37*4882a593Smuzhiyun void (*blank)(struct minui_backend*, bool); 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun // Device cleanup when drawing is done. 40*4882a593Smuzhiyun void (*exit)(struct minui_backend*); 41*4882a593Smuzhiyun } minui_backend; 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun minui_backend* open_fbdev(); 44*4882a593Smuzhiyun minui_backend* open_adf(); 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun #ifdef __cplusplus 47*4882a593Smuzhiyun } 48*4882a593Smuzhiyun #endif 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun #endif 51