fixed sonogram crash when data vector inlet empty

Author: d3cod3

src/objects/gui/moSonogram.cpp

@@ -101,6 +101,8 @@ void moSonogram::setupObjectContent(shared_ptr<ofAppGLFWWindow> &mainWindow){
 
 //--------------------------------------------------------------
 void moSonogram::updateObjectContent(map<int,shared_ptr<PatchObject>> &patchObjects){
+    unusedArgs(patchObjects);
+
     if(this->inletsConnected[0]){
         if(ofGetElapsedTimeMillis()-resetTime > wait){
             resetTime = ofGetElapsedTimeMillis();
@@ -127,14 +129,15 @@ void moSonogram::updateObjectContent(map<int,shared_ptr<PatchObject>> &patchObje
 
 //--------------------------------------------------------------
 void moSonogram::drawObjectContent(ofTrueTypeFont *font, shared_ptr<ofBaseGLRenderer>& glRenderer){
+    unusedArgs(font,glRenderer);
 
     // background
     if(scaledObjW*canvasZoom > 90.0f){
         ofSetColor(34,34,34);
         ofDrawRectangle(objOriginX - (IMGUI_EX_NODE_PINS_WIDTH_NORMAL*this->scaleFactor/canvasZoom), objOriginY-(IMGUI_EX_NODE_HEADER_HEIGHT*this->scaleFactor/canvasZoom),scaledObjW + (IMGUI_EX_NODE_PINS_WIDTH_NORMAL*this->scaleFactor/canvasZoom),scaledObjH + (((IMGUI_EX_NODE_HEADER_HEIGHT+IMGUI_EX_NODE_FOOTER_HEIGHT)*this->scaleFactor)/canvasZoom) );
     }
 
-    if(this->inletsConnected[0]){
+    if(this->inletsConnected[0] && !static_cast<vector<float> *>(_inletParams[0])->empty()){
         sonogram->begin();
         glPushAttrib(GL_ALL_ATTRIB_BITS);
         glBlendFuncSeparate(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA,GL_ONE,GL_ONE_MINUS_SRC_ALPHA);
@@ -221,7 +224,7 @@ void moSonogram::drawObjectNodeConfig(){
 
 //--------------------------------------------------------------
 void moSonogram::removeObjectContent(bool removeFileFromData){
-    
+    unusedArgs(removeFileFromData);
 }
 
 //--------------------------------------------------------------