misc: add DestroyVirtualDMD method

README.md

@@ -34,6 +34,8 @@ void test()
    if (pRGB24Data) {
       // Render pRGB24Data
    }
+
+   pDmd->DestroyVirtualDMD(pVirtualDMD);
 }
 ```
 

include/DMDUtil/DMD.h

@@ -61,6 +61,7 @@ class DMDUTILAPI DMD
   int GetHeight() const { return m_height; }
   int GetLength() const { return m_length; }
   VirtualDMD* CreateVirtualDMD();
+  bool DestroyVirtualDMD(VirtualDMD* pVirtualDMD);
   void UpdateData(const uint8_t* pData, int depth, uint8_t r, uint8_t g, uint8_t b);
   void UpdateRGB24Data(const uint8_t* pData, int depth, uint8_t r, uint8_t g, uint8_t b);
   void UpdateAlphaNumericData(AlphaNumericLayout layout, const uint16_t* pData1, const uint16_t* pData2, uint8_t r,

src/DMD.cpp

@@ -121,6 +121,19 @@ VirtualDMD* DMD::CreateVirtualDMD()
   return pVirtualDMD;
 }
 
+bool DMD::DestroyVirtualDMD(VirtualDMD* pVirtualDMD)
+{
+  auto it = std::find(m_virtualDMDs.begin(), m_virtualDMDs.end(), pVirtualDMD);
+  if (it != m_virtualDMDs.end())
+  {
+    m_virtualDMDs.erase(it);
+    delete pVirtualDMD;
+
+    return true;
+  }
+  return false;
+}
+
 void DMD::UpdateData(const uint8_t* pData, int depth, uint8_t r, uint8_t g, uint8_t b)
 {
   DMDUpdate* const pUpdate = new DMDUpdate();