Cleaned up a few uses of Image::null

modules/juce_graphics/colour/juce_FillType.cpp

@@ -104,7 +104,7 @@ bool FillType::operator!= (const FillType& other) const
 void FillType::setColour (Colour newColour) noexcept
 {
     gradient = nullptr;
-    image = Image::null;
+    image = Image();
     colour = newColour;
 }
 
@@ -116,7 +116,7 @@ void FillType::setGradient (const ColourGradient& newGradient)
     }
     else
     {
-        image = Image::null;
+        image = Image();
         gradient = new ColourGradient (newGradient);
         colour = Colours::black;
     }

modules/juce_graphics/images/juce_ImageCache.cpp

@@ -47,7 +47,7 @@ public:
                 return item->image;
         }
 
-        return Image::null;
+        return Image();
     }
 
     void addImageToCache (const Image& image, const int64 hashCode)
@@ -128,7 +128,7 @@ Image ImageCache::getFromHashCode (const int64 hashCode)
     if (Pimpl::getInstanceWithoutCreating() != nullptr)
         return Pimpl::getInstanceWithoutCreating()->getFromHashCode (hashCode);
 
-    return Image::null;
+    return Image();
 }
 
 void ImageCache::addImageToCache (const Image& image, const int64 hashCode)

modules/juce_graphics/native/juce_mac_CoreGraphicsContext.mm

@@ -863,7 +863,7 @@ Image juce_loadWithCoreImage (InputStream& input)
         }
     }
 
-    return Image::null;
+    return Image();
 }
 #endif
 

modules/juce_gui_basics/filebrowser/juce_FileListComponent.cpp

@@ -153,7 +153,7 @@ public:
             file = newFile;
             fileSize = newFileSize;
             modTime = newModTime;
-            icon = Image::null;
+            icon = Image();
             isDirectory = fileInfo != nullptr && fileInfo->isDirectory;
 
             repaint();

modules/juce_gui_basics/filebrowser/juce_ImagePreviewComponent.cpp

@@ -57,7 +57,7 @@ void ImagePreviewComponent::timerCallback()
 {
     stopTimer();
 
-    currentThumbnail = Image::null;
+    currentThumbnail = Image();
     currentDetails.clear();
     repaint();
 

modules/juce_gui_basics/mouse/juce_DragAndDropContainer.h

@@ -86,7 +86,7 @@ public:
     */
     void startDragging (const var& sourceDescription,
                         Component* sourceComponent,
-                        Image dragImage = Image::null,
+                        Image dragImage = Image(),
                         bool allowDraggingToOtherJuceWindows = false,
                         const Point<int>* imageOffsetFromMouse = nullptr);
 

modules/juce_gui_basics/native/juce_ios_Windowing.mm

@@ -351,7 +351,7 @@ bool juce_areThereAnyAlwaysOnTopWindows()
 //==============================================================================
 Image juce_createIconForFile (const File&)
 {
-    return Image::null;
+    return Image();
 }
 
 //==============================================================================

modules/juce_gui_basics/native/juce_linux_Windowing.cpp

@@ -2568,7 +2568,7 @@ private:
             else if (Time::getApproximateMillisecondCounter() > lastTimeImageUsed + 3000)
             {
                 stopTimer();
-                image = Image::null;
+                image = Image();
             }
         }
 
@@ -4080,7 +4080,7 @@ void MouseCursor::showInAllWindows() const
 //==============================================================================
 Image juce_createIconForFile (const File& /* file */)
 {
-    return Image::null;
+    return Image();
 }
 
 //==============================================================================

modules/juce_gui_basics/native/juce_win32_Windowing.cpp

@@ -531,7 +531,7 @@ namespace IconConverters
             }
         }
 
-        return Image::null;
+        return Image();
     }
 
     HICON createHICONFromImage (const Image& image, const BOOL isIcon, int hotspotX, int hotspotY)
@@ -1186,7 +1186,7 @@ private:
         void timerCallback() override
         {
             stopTimer();
-            image = Image::null;
+            image = Image();
         }
 
     private:

modules/juce_gui_basics/widgets/juce_ToolbarItemComponent.cpp

@@ -70,7 +70,7 @@ public:
 
             if (DragAndDropContainer* const dnd = DragAndDropContainer::findParentDragContainerFor (this))
             {
-                dnd->startDragging (Toolbar::toolbarDragDescriptor, getParentComponent(), Image::null, true);
+                dnd->startDragging (Toolbar::toolbarDragDescriptor, getParentComponent(), Image(), true);
 
                 if (ToolbarItemComponent* const tc = getToolbarItemComponent())
                 {

modules/juce_gui_basics/windows/juce_CallOutBox.cpp

@@ -230,7 +230,7 @@ void CallOutBox::updatePosition (const Rectangle<int>& newAreaToPointTo, const R
 void CallOutBox::refreshPath()
 {
     repaint();
-    background = Image::null;
+    background = Image();
     outline.clear();
 
     const float gap = 4.5f;

modules/juce_gui_extra/misc/juce_ColourSelector.cpp

@@ -125,7 +125,7 @@ public:
         if (lastHue != h)
         {
             lastHue = h;
-            colours = Image::null;
+            colours = Image();
             repaint();
         }
 
@@ -134,7 +134,7 @@ public:
 
     void resized() override
     {
-        colours = Image::null;
+        colours = Image();
         updateMarker();
     }