DPF

commit 8d8af85953661c305c96610b7106bb87112357dd
parent 3bebc57983052ffc2ba578eeeb6d811f0b278da9
Author: falkTX <falktx@gmail.com>
Date:   Tue, 27 May 2014 14:15:09 +0100

Add NanoVG::beginFrame(Widget*) for convenience

Diffstat:
M
dgl/NanoVG.hpp
 | 
5
+++++
M
dgl/src/NanoVG.cpp
 | 
9
+++++++++

2 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/dgl/NanoVG.hpp b/dgl/NanoVG.hpp
@@ -299,6 +299,11 @@ public:
     void beginFrame(int width, int height, float scaleFactor = 1.0f, Alpha alpha = PREMULTIPLIED_ALPHA);
 
    /**
+      Begin drawing a new frame inside a widget.
+    */
+    void beginFrame(Widget* widget);
+
+   /**
       Ends drawing flushing remaining render state.
     */
     void endFrame();
diff --git a/dgl/src/NanoVG.cpp b/dgl/src/NanoVG.cpp
@@ -15,6 +15,7 @@
  */
 
 #include "../NanoVG.hpp"
+#include "../Window.hpp"
 
 // -----------------------------------------------------------------------
 
@@ -182,6 +183,14 @@ void NanoVG::beginFrame(int width, int height, float scaleFactor, Alpha alpha)
     nvgBeginFrame(fContext, width, height, scaleFactor, static_cast<NVGalpha>(alpha));
 }
 
+void NanoVG::beginFrame(Widget* widget)
+{
+    DISTRHO_SAFE_ASSERT_RETURN(widget != nullptr,);
+
+    Window& window(widget->getParentWindow());
+    nvgBeginFrame(fContext, window.getWidth(), window.getHeight(), 1.0f, NVG_PREMULTIPLIED_ALPHA);
+}
+
 void NanoVG::endFrame()
 {
     nvgEndFrame(fContext);