The Tor Browser: media/omx-plugin/include/froyo/android/native

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /*

     2  * Copyright (C) 2010 The Android Open Source Project

     3  *

     4  * Licensed under the Apache License, Version 2.0 (the "License");

     5  * you may not use this file except in compliance with the License.

     6  * You may obtain a copy of the License at

     7  *

     8  *      http://www.apache.org/licenses/LICENSE-2.0

     9  *

    10  * Unless required by applicable law or agreed to in writing, software

    11  * distributed under the License is distributed on an "AS IS" BASIS,

    12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    13  * See the License for the specific language governing permissions and

    14  * limitations under the License.

    15  */

    17 #ifndef ANDROID_NATIVE_WINDOW_H

    18 #define ANDROID_NATIVE_WINDOW_H

    20 #include <android/rect.h>

    22 #ifdef __cplusplus

    23 extern "C" {

    24 #endif

    26 /*

    27  * Pixel formats that a window can use.

    28  */

    29 enum {

    30     WINDOW_FORMAT_RGBA_8888          = 1,

    31     WINDOW_FORMAT_RGBX_8888          = 2,

    32     WINDOW_FORMAT_RGB_565            = 4,

    33 };

    35 struct ANativeWindow;

    36 typedef struct ANativeWindow ANativeWindow;

    38 typedef struct ANativeWindow_Buffer {

    39     // The number of pixels that are show horizontally.

    40     int32_t width;

    42     // The number of pixels that are shown vertically.

    43     int32_t height;

    45     // The number of *pixels* that a line in the buffer takes in

    46     // memory.  This may be >= width.

    47     int32_t stride;

    49     // The format of the buffer.  One of WINDOW_FORMAT_*

    50     int32_t format;

    52     // The actual bits.

    53     void* bits;

    55     // Do not touch.

    56     uint32_t reserved[6];

    57 } ANativeWindow_Buffer;

    59 /**

    60  * Acquire a reference on the given ANativeWindow object.  This prevents the object

    61  * from being deleted until the reference is removed.

    62  */

    63 void ANativeWindow_acquire(ANativeWindow* window);

    65 /**

    66  * Remove a reference that was previously acquired with ANativeWindow_acquire().

    67  */

    68 void ANativeWindow_release(ANativeWindow* window);

    70 /*

    71  * Return the current width in pixels of the window surface.  Returns a

    72  * negative value on error.

    73  */

    74 int32_t ANativeWindow_getWidth(ANativeWindow* window);

    76 /*

    77  * Return the current height in pixels of the window surface.  Returns a

    78  * negative value on error.

    79  */

    80 int32_t ANativeWindow_getHeight(ANativeWindow* window);

    82 /*

    83  * Return the current pixel format of the window surface.  Returns a

    84  * negative value on error.

    85  */

    86 int32_t ANativeWindow_getFormat(ANativeWindow* window);

    88 /*

    89  * Change the format and size of the window buffers.

    90  *

    91  * The width and height control the number of pixels in the buffers, not the

    92  * dimensions of the window on screen.  If these are different than the

    93  * window's physical size, then it buffer will be scaled to match that size

    94  * when compositing it to the screen.

    95  *

    96  * For all of these parameters, if 0 is supplied then the window's base

    97  * value will come back in force.

    98  */

    99 int32_t ANativeWindow_setBuffersGeometry(ANativeWindow* window, int32_t width, int32_t height, int32_t format);

   101 /**

   102  * Lock the window's next drawing surface for writing.

   103  */

   104 int32_t ANativeWindow_lock(ANativeWindow* window, ANativeWindow_Buffer* outBuffer,

   105         ARect* inOutDirtyBounds);

   107 /**

   108  * Unlock the window's drawing surface after previously locking it,

   109  * posting the new buffer to the display.

   110  */

   111 int32_t ANativeWindow_unlockAndPost(ANativeWindow* window);

   113 #ifdef __cplusplus

   114 };

   115 #endif

   117 #endif // ANDROID_NATIVE_WINDOW_H

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