Added a utility function which samples a number of pixels from the screen, and writes their colors to the debug log

2 files changed, 19 insertions, 0 deletions

diff --git a/src/3rdparty/phonon/mmf/utils.cpp b/src/3rdparty/phonon/mmf/utils.cpp
index 3d674fd..107a36d 100644
--- a/src/3rdparty/phonon/mmf/utils.cpp
+++ b/src/3rdparty/phonon/mmf/utils.cpp
@@ -123,6 +123,19 @@ QColor MMF::Utils::getScreenPixel(const QPoint& pos)
 	return pixel;
 }
 
+// Debugging: for debugging video visibility
+void MMF::Utils::dumpScreenPixelSample() 
+{
+    for(int i=0; i<20; ++i) {
+		const QPoint pos(i*10, i*10);
+		const QColor pixel = Utils::getScreenPixel(pos);
+		RDebug::Printf(
+			"Phonon::MMF::Utils::dumpScreenPixelSample %d %d = %d %d %d %d",
+			pos.x(), pos.y(), pixel.red(), pixel.green(), pixel.blue(), pixel.alpha()
+		);
+    }
+}
+
 #endif // _DEBUG
 
 QT_END_NAMESPACE
diff --git a/src/3rdparty/phonon/mmf/utils.h b/src/3rdparty/phonon/mmf/utils.h
index 7db7831..38964d0 100644
--- a/src/3rdparty/phonon/mmf/utils.h
+++ b/src/3rdparty/phonon/mmf/utils.h
@@ -59,6 +59,12 @@ MediaType mimeTypeToMediaType(const TDesC& mimeType);
  * Retrieve color of specified pixel from the screen.
  */
 QColor getScreenPixel(const QPoint& pos);
+
+/**
+ * Samples a small number of pixels from the screen, and dumps their
+ * colors to the debug log.
+ */
+void dumpScreenPixelSample();
 #endif
 }