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authorEthan Yonker <dees_troy@teamw.in>2014-11-06 15:35:10 +0100
committerEthan Yonker <dees_troy@teamw.in>2014-11-06 15:35:13 +0100
commita167416289a8aef5d4c35861c9f4181f87b8bfd0 (patch)
treecfb0b940141a4273ac6ddb58070e36ea706b7358 /minui/graphics.h
parent2.8.2.0 (diff)
parentUse more aggressive sync writing to applypatch. (diff)
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+/*
+ * 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