DrawableImage: Remove a message thread dependency

extras/Projucer/Source/Project/jucer_Project.cpp

@@ -1514,11 +1514,6 @@ void Project::Item::setID (const String& newID)   { state.setProperty (Ids::ID,
 
 std::unique_ptr<Drawable> Project::Item::loadAsImageFile() const
 {
-    const MessageManagerLock mml (ThreadPoolJob::getCurrentThreadPoolJob());
-
-    if (! mml.lockWasGained())
-        return nullptr;
-
     if (isValid())
         return Drawable::createFromImageFile (getFile());
 

modules/juce_gui_basics/drawables/juce_Drawable.cpp

@@ -167,23 +167,15 @@ void Drawable::setTransformToFit (const Rectangle<float>& area, RectanglePlaceme
 //==============================================================================
 std::unique_ptr<Drawable> Drawable::createFromImageData (const void* data, const size_t numBytes)
 {
-    std::unique_ptr<Drawable> result;
-
     auto image = ImageFileFormat::loadFrom (data, numBytes);
 
     if (image.isValid())
-    {
-        auto* di = new DrawableImage();
-        di->setImage (image);
-        result.reset (di);
-    }
-    else
-    {
-        if (auto svg = parseXMLIfTagMatches (String::createStringFromData (data, (int) numBytes), "svg"))
-            result = Drawable::createFromSVG (*svg);
-    }
+        return std::make_unique<DrawableImage> (image);
+
+    if (auto svg = parseXMLIfTagMatches (String::createStringFromData (data, (int) numBytes), "svg"))
+        return Drawable::createFromSVG (*svg);
 
-    return result;
+    return {};
 }
 
 std::unique_ptr<Drawable> Drawable::createFromImageDataStream (InputStream& dataSource)

modules/juce_gui_basics/drawables/juce_DrawableImage.cpp

@@ -40,6 +40,11 @@ DrawableImage::DrawableImage (const DrawableImage& other)
     setBounds (other.getBounds());
 }
 
+DrawableImage::DrawableImage (const Image& imageToUse)
+{
+    setImageInternal (imageToUse);
+}
+
 DrawableImage::~DrawableImage()
 {
 }
@@ -52,13 +57,8 @@ std::unique_ptr<Drawable> DrawableImage::createCopy() const
 //==============================================================================
 void DrawableImage::setImage (const Image& imageToUse)
 {
-    if (image != imageToUse)
-    {
-        image = imageToUse;
-        setBounds (image.getBounds());
-        setBoundingBox (image.getBounds().toFloat());
+    if (setImageInternal (imageToUse))
         repaint();
-    }
 }
 
 void DrawableImage::setOpacity (const float newOpacity)
@@ -133,6 +133,20 @@ Path DrawableImage::getOutlineAsPath() const
     return {}; // not applicable for images
 }
 
+//==============================================================================
+bool DrawableImage::setImageInternal (const Image& imageToUse)
+{
+    if (image != imageToUse)
+    {
+        image = imageToUse;
+        setBounds (image.getBounds());
+        setBoundingBox (image.getBounds().toFloat());
+        return true;
+    }
+
+    return false;
+}
+
 //==============================================================================
 std::unique_ptr<AccessibilityHandler> DrawableImage::createAccessibilityHandler()
 {

modules/juce_gui_basics/drawables/juce_DrawableImage.h

@@ -41,6 +41,9 @@ public:
     DrawableImage();
     DrawableImage (const DrawableImage&);
 
+    /** Sets the image that this drawable will render. */
+    explicit DrawableImage (const Image& imageToUse);
+
     /** Destructor. */
     ~DrawableImage() override;
 
@@ -98,6 +101,9 @@ public:
     std::unique_ptr<AccessibilityHandler> createAccessibilityHandler() override;
 
 private:
+    //==============================================================================
+    bool setImageInternal (const Image&);
+
     //==============================================================================
     Image image;
     float opacity = 1.0f;