first round int to bool

Change-Id: I01126ea293c6880bbf53cbc912d54fe8a9842e31

chart2/source/view/main/OpenGLRender.cxx

@@ -906,6 +906,7 @@ OpenGLRender::OpenGLRender(uno::Reference< drawing::XShape > xTarget):
     m_iFboIdx(0),
     m_fLineAlpha(1.0),
     mxRenderTarget(xTarget),
+    m_iArbMultisampleSupported(false),
     m_TextVertexID(0),
     m_TextTexCoordID(1),
     m_ClearColor(glm::vec4(1.0f, 1.0f, 1.0f, 1.0f))
@@ -925,7 +926,6 @@ OpenGLRender::OpenGLRender(uno::Reference< drawing::XShape > xTarget):
     m_TextureObj[1] = 0;
     m_RboID[0] = 0;
     m_RboID[1] = 0;
-    m_iArbMultisampleSupported = 0;
     m_iArbMultisampleFormat = 0;
 
     //TODO: moggi: use STL
@@ -1031,7 +1031,7 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM l
     }
 }
 
-int OpenGLRender::InitMultisample(PIXELFORMATDESCRIPTOR pfd)
+bool OpenGLRender::InitMultisample(PIXELFORMATDESCRIPTOR pfd)
 {
     HWND hWnd = NULL;
     //create a temp windwo to check whether support multi-sample, if support, get the format
@@ -1044,7 +1044,7 @@ int OpenGLRender::InitMultisample(PIXELFORMATDESCRIPTOR pfd)
     // See If The String Exists In WGL!
     if (!WGLisExtensionSupported("WGL_ARB_multisample"))
     {
-        m_iArbMultisampleSupported = 0;
+        m_iArbMultisampleSupported = false;
         SAL_WARN("chart2.opengl", "Device doesn't support multi sample\n");
         return false;
     }
@@ -1052,7 +1052,7 @@ int OpenGLRender::InitMultisample(PIXELFORMATDESCRIPTOR pfd)
     PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARB = (PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB");
     if (!wglChoosePixelFormatARB)
     {
-        m_iArbMultisampleSupported = 0;
+        m_iArbMultisampleSupported = false;
         return false;
     }
     // Get Our Current Device Context
@@ -1086,7 +1086,7 @@ int OpenGLRender::InitMultisample(PIXELFORMATDESCRIPTOR pfd)
     // If We Returned True, And Our Format Count Is Greater Than 1
     if (valid && numFormats >= 1)
     {
-        m_iArbMultisampleSupported = 1;
+        m_iArbMultisampleSupported = true;
         m_iArbMultisampleFormat = pixelFormat;
         wglMakeCurrent(NULL, NULL);
         wglDeleteContext(glWin.hRC);
@@ -1099,7 +1099,7 @@ int OpenGLRender::InitMultisample(PIXELFORMATDESCRIPTOR pfd)
     valid = wglChoosePixelFormatARB(hDC,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
     if (valid && numFormats >= 1)
     {
-        m_iArbMultisampleSupported = 1;
+        m_iArbMultisampleSupported = true;
         m_iArbMultisampleFormat = pixelFormat;
         wglMakeCurrent(NULL, NULL);
         wglDeleteContext(glWin.hRC);
@@ -1116,7 +1116,7 @@ int OpenGLRender::InitMultisample(PIXELFORMATDESCRIPTOR pfd)
 }
 #endif
 
-int OpenGLRender::GetMSAASupport()
+bool OpenGLRender::GetMSAASupport()
 {
     return m_iArbMultisampleSupported;
 }
@@ -1169,7 +1169,7 @@ int OpenGLRender::InitTempWindow(HWND *hwnd, int width, int height, PIXELFORMATD
     return 0;
 }
 
-int OpenGLRender::WGLisExtensionSupported(const char *extension)
+bool OpenGLRender::WGLisExtensionSupported(const char *extension)
 {
     const size_t extlen = strlen(extension);
     const char *supported = NULL;

chart2/source/view/main/OpenGLRender.hxx

@@ -159,9 +159,9 @@ public:
     void SetLine2DWidth(int width);
     BitmapEx GetAsBitmap();
 #if defined( _WIN32 )
-    int InitMultisample(PIXELFORMATDESCRIPTOR pfd);
+    bool InitMultisample(PIXELFORMATDESCRIPTOR pfd);
 #endif
-    int GetMSAASupport();
+    bool GetMSAASupport();
     int GetMSAAFormat();
     void SetColor(sal_uInt32 color);
     int Bubble2DShapePoint(float x, float y, float directionX, float directionY);
@@ -192,8 +192,8 @@ private:
     int RenderTexture2FBO(GLuint TexID);
 #if defined( _WIN32 )
     int InitTempWindow(HWND *hwnd, int width, int height, PIXELFORMATDESCRIPTOR inPfd);
+    bool WGLisExtensionSupported(const char *extension);
 #endif
-    int WGLisExtensionSupported(const char *extension);
     int CreateMultiSampleFrameBufObj();
     int Create2DCircle(int detail);
     void SetBackGroundColor(sal_uInt32 color1, sal_uInt32 color2);
@@ -277,10 +277,10 @@ private:
     std::list <Line2DPointList> m_Line2DShapePointList;
 
     com::sun::star::uno::Reference< com::sun::star::drawing::XShape > mxRenderTarget;
-	int m_iArbMultisampleSupported;
-	int m_iArbMultisampleFormat;
-	GLint m_iSampleBufs;
-	GLint m_iSamples;
+    bool m_iArbMultisampleSupported;
+    int m_iArbMultisampleFormat;
+    GLint m_iSampleBufs;
+    GLint m_iSamples;
 
     glm::vec4 m_2DColor;
 	GLuint m_frameBufferMS;