Fixed small memory leaks

src/interface/modeler/quickapp/qml/main.qml

@@ -5,8 +5,8 @@ OpenGLView {
     id: main_ui
     state: "Init"
 
-    width: 800
-    height: 600
+    width: 1000
+    height: 700
 
     Tooltip {
         id: tooltip_widget

src/render/software/CanvasPictureWriter.cpp

@@ -23,6 +23,7 @@ CanvasPictureWriter::CanvasPictureWriter(const Canvas *canvas):
 CanvasPictureWriter::~CanvasPictureWriter()
 {
     delete profile;
+    delete[] cache;
 }
 
 void CanvasPictureWriter::setAntialias(int antialias)
@@ -117,6 +118,8 @@ Color CanvasPictureWriter::getRawPixel(int x, int y)
                 itcolor++;
             }
         }
+
+        delete stream;
     }
 
     // Hit the cache