NanoVG: Add constructor with custom atlas size

dgl/NanoVG.hpp

@@ -256,9 +256,15 @@ public:
 
    /**
       Constructor.
+      Uses 512x512 as default atlas size.
     */
     NanoVG();
 
+   /**
+      Constructor using custom atlas size.
+    */
+    NanoVG(int atlasWidth, int atlasHeight);
+
    /**
       Destructor.
     */
@@ -780,7 +786,7 @@ protected:
 private:
    /**
       Widget display function.
-      Implemented internally to wrap begine/endFrame() automaticaly.
+      Implemented internally to wrap begin/endFrame() automaticaly.
     */
     void onDisplay() override
     {

dgl/src/NanoVG.cpp

@@ -128,6 +128,12 @@ NanoVG::NanoVG()
     DISTRHO_SAFE_ASSERT_RETURN(fContext != nullptr,);
 }
 
+NanoVG::NanoVG(int atlasWidth, int atlasHeight)
+    : fContext(nvgCreateGL(atlasWidth, atlasHeight, NVG_ANTIALIAS))
+{
+    DISTRHO_SAFE_ASSERT_RETURN(fContext != nullptr,);
+}
+
 NanoVG::~NanoVG()
 {
     if (fContext == nullptr)