media/omx-plugin/include/froyo/android/native_window.h@b8a032363ba2 (annotated)
media/omx-plugin/include/froyo/android/native_window.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright (C) 2010 The Android Open Source Project |
| michael@0 | 3 | * |
| michael@0 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| michael@0 | 5 | * you may not use this file except in compliance with the License. |
| michael@0 | 6 | * You may obtain a copy of the License at |
| michael@0 | 7 | * |
| michael@0 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| michael@0 | 9 | * |
| michael@0 | 10 | * Unless required by applicable law or agreed to in writing, software |
| michael@0 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| michael@0 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| michael@0 | 13 | * See the License for the specific language governing permissions and |
| michael@0 | 14 | * limitations under the License. |
| michael@0 | 15 | */ |
| michael@0 | 16 | |
| michael@0 | 17 | #ifndef ANDROID_NATIVE_WINDOW_H |
| michael@0 | 18 | #define ANDROID_NATIVE_WINDOW_H |
| michael@0 | 19 | |
| michael@0 | 20 | #include <android/rect.h> |
| michael@0 | 21 | |
| michael@0 | 22 | #ifdef __cplusplus |
| michael@0 | 23 | extern "C" { |
| michael@0 | 24 | #endif |
| michael@0 | 25 | |
| michael@0 | 26 | /* |
| michael@0 | 27 | * Pixel formats that a window can use. |
| michael@0 | 28 | */ |
| michael@0 | 29 | enum { |
| michael@0 | 30 | WINDOW_FORMAT_RGBA_8888 = 1, |
| michael@0 | 31 | WINDOW_FORMAT_RGBX_8888 = 2, |
| michael@0 | 32 | WINDOW_FORMAT_RGB_565 = 4, |
| michael@0 | 33 | }; |
| michael@0 | 34 | |
| michael@0 | 35 | struct ANativeWindow; |
| michael@0 | 36 | typedef struct ANativeWindow ANativeWindow; |
| michael@0 | 37 | |
| michael@0 | 38 | typedef struct ANativeWindow_Buffer { |
| michael@0 | 39 | // The number of pixels that are show horizontally. |
| michael@0 | 40 | int32_t width; |
| michael@0 | 41 | |
| michael@0 | 42 | // The number of pixels that are shown vertically. |
| michael@0 | 43 | int32_t height; |
| michael@0 | 44 | |
| michael@0 | 45 | // The number of *pixels* that a line in the buffer takes in |
| michael@0 | 46 | // memory. This may be >= width. |
| michael@0 | 47 | int32_t stride; |
| michael@0 | 48 | |
| michael@0 | 49 | // The format of the buffer. One of WINDOW_FORMAT_* |
| michael@0 | 50 | int32_t format; |
| michael@0 | 51 | |
| michael@0 | 52 | // The actual bits. |
| michael@0 | 53 | void* bits; |
| michael@0 | 54 | |
| michael@0 | 55 | // Do not touch. |
| michael@0 | 56 | uint32_t reserved[6]; |
| michael@0 | 57 | } ANativeWindow_Buffer; |
| michael@0 | 58 | |
| michael@0 | 59 | /** |
| michael@0 | 60 | * Acquire a reference on the given ANativeWindow object. This prevents the object |
| michael@0 | 61 | * from being deleted until the reference is removed. |
| michael@0 | 62 | */ |
| michael@0 | 63 | void ANativeWindow_acquire(ANativeWindow* window); |
| michael@0 | 64 | |
| michael@0 | 65 | /** |
| michael@0 | 66 | * Remove a reference that was previously acquired with ANativeWindow_acquire(). |
| michael@0 | 67 | */ |
| michael@0 | 68 | void ANativeWindow_release(ANativeWindow* window); |
| michael@0 | 69 | |
| michael@0 | 70 | /* |
| michael@0 | 71 | * Return the current width in pixels of the window surface. Returns a |
| michael@0 | 72 | * negative value on error. |
| michael@0 | 73 | */ |
| michael@0 | 74 | int32_t ANativeWindow_getWidth(ANativeWindow* window); |
| michael@0 | 75 | |
| michael@0 | 76 | /* |
| michael@0 | 77 | * Return the current height in pixels of the window surface. Returns a |
| michael@0 | 78 | * negative value on error. |
| michael@0 | 79 | */ |
| michael@0 | 80 | int32_t ANativeWindow_getHeight(ANativeWindow* window); |
| michael@0 | 81 | |
| michael@0 | 82 | /* |
| michael@0 | 83 | * Return the current pixel format of the window surface. Returns a |
| michael@0 | 84 | * negative value on error. |
| michael@0 | 85 | */ |
| michael@0 | 86 | int32_t ANativeWindow_getFormat(ANativeWindow* window); |
| michael@0 | 87 | |
| michael@0 | 88 | /* |
| michael@0 | 89 | * Change the format and size of the window buffers. |
| michael@0 | 90 | * |
| michael@0 | 91 | * The width and height control the number of pixels in the buffers, not the |
| michael@0 | 92 | * dimensions of the window on screen. If these are different than the |
| michael@0 | 93 | * window's physical size, then it buffer will be scaled to match that size |
| michael@0 | 94 | * when compositing it to the screen. |
| michael@0 | 95 | * |
| michael@0 | 96 | * For all of these parameters, if 0 is supplied then the window's base |
| michael@0 | 97 | * value will come back in force. |
| michael@0 | 98 | */ |
| michael@0 | 99 | int32_t ANativeWindow_setBuffersGeometry(ANativeWindow* window, int32_t width, int32_t height, int32_t format); |
| michael@0 | 100 | |
| michael@0 | 101 | /** |
| michael@0 | 102 | * Lock the window's next drawing surface for writing. |
| michael@0 | 103 | */ |
| michael@0 | 104 | int32_t ANativeWindow_lock(ANativeWindow* window, ANativeWindow_Buffer* outBuffer, |
| michael@0 | 105 | ARect* inOutDirtyBounds); |
| michael@0 | 106 | |
| michael@0 | 107 | /** |
| michael@0 | 108 | * Unlock the window's drawing surface after previously locking it, |
| michael@0 | 109 | * posting the new buffer to the display. |
| michael@0 | 110 | */ |
| michael@0 | 111 | int32_t ANativeWindow_unlockAndPost(ANativeWindow* window); |
| michael@0 | 112 | |
| michael@0 | 113 | #ifdef __cplusplus |
| michael@0 | 114 | }; |
| michael@0 | 115 | #endif |
| michael@0 | 116 | |
| michael@0 | 117 | #endif // ANDROID_NATIVE_WINDOW_H |
