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Merge "window: add API for native_window_set_buffers_user_dimensions"

This commit is contained in:
Jamie Gennis 2012-04-11 18:37:12 -07:00 committed by Android (Google) Code Review
parent 6a35bb3529 afcdef6357
commit ad0d54efbb
1 changed files with 32 additions and 4 deletions
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36
include/system/window.h
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@ -157,9 +157,10 @@ enum {
/*
* Default width and height of the ANativeWindow, these are the dimensions
* of the window irrespective of the NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS
* call.
* Default width and height of ANativeWindow buffers, these are the
* dimensions of the window buffers irrespective of the
* NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS call and match the native window
* size unless overriden by NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS.
*/
NATIVE_WINDOW_DEFAULT_WIDTH = 6,
NATIVE_WINDOW_DEFAULT_HEIGHT = 7,
@ -231,6 +232,7 @@ enum {
NATIVE_WINDOW_UNLOCK_AND_POST = 12, /* private */
NATIVE_WINDOW_API_CONNECT = 13, /* private */
NATIVE_WINDOW_API_DISCONNECT = 14, /* private */
NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS = 15, /* private */
};
/* parameter for NATIVE_WINDOW_[API_][DIS]CONNECT */
@ -417,6 +419,7 @@ struct ANativeWindow
* NATIVE_WINDOW_UNLOCK_AND_POST (private)
* NATIVE_WINDOW_API_CONNECT (private)
* NATIVE_WINDOW_API_DISCONNECT (private)
* NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS (private)
*
*/
@ -527,7 +530,7 @@ static inline int native_window_set_buffers_geometry(
/*
* native_window_set_buffers_dimensions(..., int w, int h)
* All buffers dequeued after this call will have the dimensions specified.
* In particular, all buffers will have a fixed-size, independent form the
* In particular, all buffers will have a fixed-size, independent from the
* native-window size. They will be scaled according to the scaling mode
* (see native_window_set_scaling_mode) upon window composition.
*
@ -545,6 +548,31 @@ static inline int native_window_set_buffers_dimensions(
w, h);
}
/*
* native_window_set_buffers_user_dimensions(..., int w, int h)
*
* Sets the user buffer size for the window, which overrides the
* window's size. All buffers dequeued after this call will have the
* dimensions specified unless overridden by
* native_window_set_buffers_dimensions. All buffers will have a
* fixed-size, independent from the native-window size. They will be
* scaled according to the scaling mode (see
* native_window_set_scaling_mode) upon window composition.
*
* If w and h are 0, the normal behavior is restored. That is, the
* default buffer size will match the windows's size.
*
* Calling this function will reset the window crop to a NULL value, which
* disables cropping of the buffers.
*/
static inline int native_window_set_buffers_user_dimensions(
struct ANativeWindow* window,
int w, int h)
{
return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS,
w, h);
}
/*
* native_window_set_buffers_format(..., int format)
* All buffers dequeued after this call will have the format specified.