Bunch-a-bugfixes!

[ipdf/code.git] / src / view.cpp

diff --git a/src/view.cpp b/src/view.cpp
index 3c6e2f5..6a3dbdf 100644 (file)
--- a/src/view.cpp
+++ b/src/view.cpp
@@ -69,8 +69,6 @@ void View::Render()
                debug_output_done = true;
        }
 
-       glClearColor(1.f,1.f,1.f,1.f);
-       glClear(GL_COLOR_BUFFER_BIT);
 
        //DrawGrid(); // Draw the gridlines
 
@@ -80,6 +78,11 @@ void View::Render()
        glMatrixMode(GL_MODELVIEW);
        glLoadIdentity();
 
+       if (m_colour.a < 1.0f)
+       {
+               glEnable(GL_BLEND);
+               glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+       }
        glColor4f(m_colour.r, m_colour.g, m_colour.b, m_colour.a);
        glBegin(GL_QUADS);
        for (unsigned id = 0; id < m_document.ObjectCount(); ++id)
@@ -108,4 +111,9 @@ void View::Render()
                glEnd();
        }
 
+       if (m_colour.a < 1.0f)
+       {
+               glDisable(GL_BLEND);
+       }
+
 }