Add a grey gradient background to the 3D chartm and tweak text color.

Conflicts:
chart2/source/view/main/GL3DRenderer.cxx

Change-Id: I8b74a1e7f32c30b6a908c0870bbeacc00cdea444

3 files changed, 40 insertions, 8 deletions

diff --git a/chart2/source/view/inc/GL3DRenderer.hxx b/chart2/source/view/inc/GL3DRenderer.hxx
index 20fbca98f152..a0036ed45234 100644
--- a/chart2/source/view/inc/GL3DRenderer.hxx
+++ b/chart2/source/view/inc/GL3DRenderer.hxx
@@ -190,6 +190,7 @@ public:
 private:
     void MoveModelf(PosVecf3& trans,PosVecf3& angle,PosVecf3& scale);
 
+    void ClearBuffer();
     void RenderPolygon3DObject();
     void RenderLine3D(Polygon3DInfo &polygon);
     void RenderPolygon3D(Polygon3DInfo &polygon);
diff --git a/chart2/source/view/main/3DChartObjects.cxx b/chart2/source/view/main/3DChartObjects.cxx
index 257319149e5d..1cf0b4920994 100644
--- a/chart2/source/view/main/3DChartObjects.cxx
+++ b/chart2/source/view/main/3DChartObjects.cxx
@@ -77,7 +77,11 @@ const TextCacheItem& TextCache::getText(OUString const & rText)
     VirtualDevice aDevice(*Application::GetDefaultDevice(), 0, 0);
     Font aFont = aDevice.GetFont();
     aFont.SetSize(Size(0, 96));
-    aFont.SetColor(COL_BLACK);
+    static bool bOldRender = getenv("OLDRENDER");
+    if (bOldRender)
+        aFont.SetColor(COL_BLACK);
+    else
+        aFont.SetColor(COL_GREEN); // RGB_COLORDATA(0xf0, 0xf0, 0xf0));
     aDevice.SetFont(aFont);
     aDevice.Erase();
 
diff --git a/chart2/source/view/main/GL3DRenderer.cxx b/chart2/source/view/main/GL3DRenderer.cxx
index aded984a43f8..af5238b2e99b 100644
--- a/chart2/source/view/main/GL3DRenderer.cxx
+++ b/chart2/source/view/main/GL3DRenderer.cxx
@@ -253,10 +253,7 @@ void OpenGL3DRenderer::init()
 
     glEnable(GL_MULTISAMPLE);
 
-    glClearColor (1.0, 1.0, 1.0, 1.0);
-    glClear(GL_COLOR_BUFFER_BIT);
-    glClearDepth(1.0f);
-    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    ClearBuffer();
 
     glGenBuffers(1, &m_CubeVertexBuf);
     glGenBuffers(1, &m_CubeNormalBuf);
@@ -1693,12 +1690,42 @@ void OpenGL3DRenderer::CreateSceneBoxView()
                m_CameraInfo.cameraUp);
 }
 
+void OpenGL3DRenderer::ClearBuffer()
+{
+    static bool bOldRender = getenv("OLDRENDER");
+    if (!bOldRender) // gradient background
+    {
+        glDisable(GL_DEPTH_TEST);
+        glDisable(GL_LIGHTING);
+
+        glClearDepth(1.0f);
+        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+        glBegin (GL_QUADS);
+        glColor3f(0.3,0.3,0.3);
+        glVertex3f (-1.0f, -1.0f, -1.0f);
+        glVertex3f (1.0f, -1.0f, -1.0f);
+
+        glColor3f(0.0,0.0,0.0);
+        glVertex3f (1.0f, 1.0f, -1.0f);
+        glVertex3f (-1.0f, 1.0f, -1.0f);
+        glEnd ();
+
+        glEnable(GL_LIGHTING);
+        glEnable(GL_DEPTH_TEST);
+    }
+    else
+    {
+        glClearDepth(1.0f);
+        glClearColor (1.0, 0.5, 0.5, 1.0);
+        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    }
+}
+
 void OpenGL3DRenderer::ProcessUnrenderedShape(bool bNewScene)
 {
     glViewport(0, 0, m_iWidth, m_iHeight);
-    glClearDepth(1.0f);
-    glClearColor(1.0, 1.0, 1.0, 1.0);
-    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    ClearBuffer();
     CreateSceneBoxView();
     //Polygon
     RenderPolygon3DObject();