comparison layer/Colour3DPlotRenderer.h @ 1109:477521f95a84 spectrogram-minor-refactor

Start introducing translucent renderer

     // carried out by repainting to cache (via the draw buffer) any
     // area that is being requested but is not valid in the cache, and
     // then repainting from cache to the requested painter.
     ScrollableImageCache m_cache;
 
-    bool useBinResolutionForDrawBuffer(LayerGeometryProvider *) const;
-
     RenderResult render(LayerGeometryProvider *v,
                         QPainter &paint, QRect rect, bool timeConstrained);
+
+    void renderDirectTranslucent(LayerGeometryProvider *v,
+                                 QPainter &paint, QRect rect);
+    
     void renderToCachePixelResolution(LayerGeometryProvider *v, int x0,
                                       int repaintWidth, bool rightToLeft,
                                       bool timeConstrained);
+
     void renderToCacheBinResolution(LayerGeometryProvider *v, int x0,
                                     int repaintWidth);
 
     int renderDrawBuffer(int w, int h,
                          const std::vector<int> &binforx,

                                         bool rightToLeft,
                                         bool timeConstrained);
     
     void recreateDrawBuffer(int w, int h);
     void clearDrawBuffer(int w, int h);
+
+    enum RenderType {
+        DrawBufferPixelResolution,
+        DrawBufferBinResolution,
+        DirectTranslucent
+    };
+
+    RenderType decideRenderType(LayerGeometryProvider *) const;
 };
 
 #endif