set layer

src/DirectDisplay.h

@@ -16,6 +16,7 @@ class DirectDisplayOptions
 
         doHDMISync = true;
         alpha = 255;
+        layer = 0;
         doMirror = false;
         rotationIndex = 0;
         rotationDegrees =0; 
@@ -35,6 +36,7 @@ class DirectDisplayOptions
     int rotationDegrees;
     int alpha;
     bool doForceFill;
+    int layer;
 };
 
 class DirectDisplay
@@ -145,7 +147,7 @@ class DirectDisplay
 
     OMX_ERRORTYPE applyConfig()
     {
-        displayConfig.set = (OMX_DISPLAYSETTYPE)(OMX_DISPLAY_SET_DEST_RECT| OMX_DISPLAY_SET_SRC_RECT | OMX_DISPLAY_SET_FULLSCREEN | OMX_DISPLAY_SET_NOASPECT | OMX_DISPLAY_SET_TRANSFORM | OMX_DISPLAY_SET_ALPHA | OMX_DISPLAY_SET_MODE);
+        displayConfig.set = (OMX_DISPLAYSETTYPE)(OMX_DISPLAY_SET_DEST_RECT| OMX_DISPLAY_SET_SRC_RECT | OMX_DISPLAY_SET_FULLSCREEN | OMX_DISPLAY_SET_NOASPECT | OMX_DISPLAY_SET_TRANSFORM | OMX_DISPLAY_SET_ALPHA | OMX_DISPLAY_SET_LAYER | OMX_DISPLAY_SET_MODE);
 
         displayConfig.dest_rect.x_offset  = options.drawRectangle.x;
         displayConfig.dest_rect.y_offset  = options.drawRectangle.y;
@@ -162,6 +164,7 @@ class DirectDisplay
         displayConfig.transform  = (OMX_DISPLAYTRANSFORMTYPE)options.rotationIndex;
         //int alpha = (ofGetFrameNum() % 255); 
         displayConfig.alpha  = options.alpha;
+        displayConfig.layer  = options.layer;
 
         if(options.doForceFill)
         {
@@ -248,4 +251,4 @@ class DirectDisplay
 
 
 
-};
+};

src/ofxRPiCameraVideoGrabber.cpp

@@ -597,14 +597,28 @@ void ofxRPiCameraVideoGrabber::setDisplayAlpha(int alpha)
     if(directEngine)
     {
         getDisplayManager()->options.alpha = alpha;
+        getDisplayManager()->applyConfig();
     }
 }
 
+void ofxRPiCameraVideoGrabber::setDisplayLayer(int layer)
+{
+    if(directEngine)
+    {
+        getDisplayManager()->options.layer = layer;
+        getDisplayManager()->applyConfig();
+    }
+}
+
+
+
 void ofxRPiCameraVideoGrabber::setDisplayRotation(int rotationDegrees)
 {
     if(directEngine)
     {
         getDisplayManager()->rotateDisplay(rotationDegrees);
+        getDisplayManager()->applyConfig();
+
     }
 }
 
@@ -613,6 +627,8 @@ void ofxRPiCameraVideoGrabber::setDisplayDrawRectangle(ofRectangle drawRectangle
     if(directEngine)
     {
         getDisplayManager()->options.drawRectangle = drawRectangle;
+        getDisplayManager()->applyConfig();
+
 
     }
 }
@@ -622,6 +638,8 @@ void ofxRPiCameraVideoGrabber::setDisplayCropRectangle(ofRectangle cropRectangle
     if(directEngine)
     {
         getDisplayManager()->options.cropRectangle = cropRectangle;
+        getDisplayManager()->applyConfig();
+
 
     }
 }
@@ -631,6 +649,8 @@ void ofxRPiCameraVideoGrabber::setDisplayMirror(bool doMirror)
     if(directEngine)
     {
         getDisplayManager()->options.doMirror = doMirror;
+        getDisplayManager()->applyConfig();
+
     }
 }
 

src/ofxRPiCameraVideoGrabber.h

@@ -192,6 +192,7 @@ class ofxRPiCameraVideoGrabber
     DirectDisplay* getDisplayManager();
 
     void setDisplayAlpha(int);
+    void setDisplayLayer(int);
     void setDisplayRotation(int);
     void setDisplayDrawRectangle(ofRectangle);
     void setDisplayCropRectangle(ofRectangle);