First version OpenGL drawing

rawimage.h

@@ -31,6 +31,8 @@ public:
 
 class RawImageAbs
 {
+protected:
+    uint32_t m_width,m_height;
 public:
     virtual ~RawImageAbs(){}
     virtual bool imageStats(uint64_t *mean, double *stdDev, uint64_t *median, uint64_t *min, uint64_t *max) const = 0;
@@ -38,12 +40,19 @@ public:
     virtual int findPeaks(uint64_t background, double distance, std::vector<Peak> &peaks) const = 0;
     virtual RawImageAbs* medianFilter() const = 0;
     virtual void quarter() = 0;
+    uint32_t width() const
+    {
+        return m_width;
+    }
+    uint32_t height() const
+    {
+        return m_height;
+    }
 };
 
 template<typename T>
 class RawImage : public RawImageAbs
 {
-    uint32_t m_width,m_height;
     std::vector<T> m_img;
     bool checkPixel(T c, uint32_t x, uint32_t y) const
     {