Add API to grab a surface's content

This patch adds a new QWaylandSurfaceGrabber class. The user can use it
to grab a surface's content, and get a QImage with the data.

Change-Id: I25dd72a8ba39201cd91addbfc976b93ca1e05112
Reviewed-by: Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/compositor/compositor_api/qwaylandcompositor.h b/src/compositor/compositor_api/qwaylandcompositor.h
index ab90e12f9..a30786eb2 100644
--- a/src/compositor/compositor_api/qwaylandcompositor.h
+++ b/src/compositor/compositor_api/qwaylandcompositor.h
@@ -63,6 +63,8 @@ class QWaylandView;
 class QWaylandPointer;
 class QWaylandKeyboard;
 class QWaylandTouch;
+class QWaylandSurfaceGrabber;
+class QWaylandBufferRef;
 
 class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandCompositor : public QWaylandObject
 {
@@ -115,6 +117,8 @@ public:
     bool useHardwareIntegrationExtension() const;
     void setUseHardwareIntegrationExtension(bool use);
 
+    virtual void grabSurface(QWaylandSurfaceGrabber *grabber, const QWaylandBufferRef &buffer);
+
 public Q_SLOTS:
     void processWaylandEvents();