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| author | Mathias Agopian <mathias@google.com> | 2010-09-24 11:26:58 -0700 |
|---|---|---|
| committer | Mathias Agopian <mathias@google.com> | 2010-09-24 14:56:39 -0700 |
| commit | ca5edbeba92b96913291792a4df984e158853b6d (patch) | |
| tree | cef0f4174ca3d5e09a767787eec63b7a0cf7f2cf /include/surfaceflinger | |
| parent | 5c6c5c7a43d44316395f5c35ab713372124b8b4c (diff) | |
| download | frameworks_base-ca5edbeba92b96913291792a4df984e158853b6d.zip frameworks_base-ca5edbeba92b96913291792a4df984e158853b6d.tar.gz frameworks_base-ca5edbeba92b96913291792a4df984e158853b6d.tar.bz2 | |
add support for [1974164] Be able to take a screen shot on the device
screenshots are taken using ISurfaceComposer::captureScreen() which returns
the size of the screenshot and an IMemoryHeap containing the data.
screenshots have limitations:
- they will always fail if a secure window is up on screen
- require GL_OES_framebuffer_object extension
- in some situation, video planes won't been captured
Change-Id: I741c68a2d2984fb139039301c3349e6780e2cd58
Diffstat (limited to 'include/surfaceflinger')
| -rw-r--r-- | include/surfaceflinger/ISurfaceComposer.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/surfaceflinger/ISurfaceComposer.h b/include/surfaceflinger/ISurfaceComposer.h index dd44aa5..76307b2 100644 --- a/include/surfaceflinger/ISurfaceComposer.h +++ b/include/surfaceflinger/ISurfaceComposer.h @@ -110,6 +110,13 @@ public: */ virtual void bootFinished() = 0; + /* Capture the specified screen. requires READ_FRAME_BUFFER permission + * This function will fail if there is a secure window on screen. + */ + virtual status_t captureScreen(DisplayID dpy, + sp<IMemoryHeap>* heap, + uint32_t* width, uint32_t* height, PixelFormat* format) = 0; + /* Signal surfaceflinger that there might be some work to do * This is an ASYNCHRONOUS call. */ @@ -133,7 +140,8 @@ public: SET_ORIENTATION, FREEZE_DISPLAY, UNFREEZE_DISPLAY, - SIGNAL + SIGNAL, + CAPTURE_SCREEN }; virtual status_t onTransact( uint32_t code, |