Add costume mutex

Author: adazem009

ScratchCPPGui/renderedtarget.cpp

@@ -82,6 +82,7 @@ void RenderedTarget::loadCostume(Costume *costume)
     if (!costume)
         return;
 
+    m_costumeMutex.lock();
     Target *target = scratchTarget();
     m_costume = costume;
     m_imageChanged = true;
@@ -104,6 +105,8 @@ void RenderedTarget::loadCostume(Costume *costume)
         QSize size = reader.size();
         calculateSize(target, size.width(), size.height());
     }
+
+    m_costumeMutex.unlock();
 }
 
 void RenderedTarget::updateProperties()
@@ -223,6 +226,16 @@ const QString &RenderedTarget::bitmapUniqueKey() const
     return m_bitmapUniqueKey;
 }
 
+void RenderedTarget::lockCostume()
+{
+    m_costumeMutex.lock();
+}
+
+void RenderedTarget::unlockCostume()
+{
+    m_costumeMutex.unlock();
+}
+
 bool RenderedTarget::mirrorHorizontally() const
 {
     return m_mirrorHorizontally;

ScratchCPPGui/renderedtarget.h

@@ -55,6 +55,9 @@ class RenderedTarget : public QNanoQuickItem
         QBuffer *bitmapBuffer();
         const QString &bitmapUniqueKey() const;
 
+        void lockCostume();
+        void unlockCostume();
+
         bool mirrorHorizontally() const;
 
     signals:
@@ -77,6 +80,7 @@ class RenderedTarget : public QNanoQuickItem
         unsigned char *m_svgBitmap = nullptr;
         QBuffer m_bitmapBuffer;
         QString m_bitmapUniqueKey;
+        QMutex m_costumeMutex;
         QMutex mutex;
         bool m_imageChanged = false;
         bool m_visible = true;

ScratchCPPGui/targetpainter.cpp

@@ -19,6 +19,7 @@ TargetPainter::~TargetPainter()
 
 void TargetPainter::paint(QNanoPainter *painter)
 {
+    m_target->lockCostume();
     unsigned char *svgBitmap = m_target->svgBitmap();
     double width = m_target->width();
     double height = m_target->height();
@@ -43,6 +44,8 @@ void TargetPainter::paint(QNanoPainter *painter)
         QNanoImage image = QNanoImage::fromCache(painter, m_target->bitmapBuffer(), m_target->bitmapUniqueKey());
         painter->drawImage(image, 0, 0, width, height);
     }
+
+    m_target->unlockCostume();
 }
 
 void TargetPainter::synchronize(QNanoQuickItem *item)