We should compile even if REAL is not 5

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

diff --git a/src/view.cpp b/src/view.cpp
index 4dbe5df..aaf7aae 100644 (file)
--- a/src/view.cpp
+++ b/src/view.cpp
@@ -32,6 +32,12 @@ View::View(Document & document, Screen & screen, const Rect & bounds, const Colo
        // 2. Implement class inheriting from ObjectRenderer using that type in objectrenderer.h and objectrenderer.cpp
        // 3. Add it here
        // 4. Profit
+
+
+#ifndef QUADTREE_DISABLED
+       m_quadtree_max_depth = 1;
+       m_current_quadtree_node = document.GetQuadTree().root_id;
+#endif
 }
 
 /**
@@ -118,6 +124,35 @@ Rect View::TransformToViewCoords(const Rect& inp) const
  * @param height - Height of View to render
  */
 void View::Render(int width, int height)
+{
+#ifdef QUADTREE_DISABLED
+       RenderRange(width, height, 0, m_document.ObjectCount());
+#else
+       RenderQuadtreeNode(width, height, m_current_quadtree_node, m_quadtree_max_depth);
+#endif
+}
+
+#ifndef QUADTREE_DISABLED
+void View::RenderQuadtreeNode(int width, int height, QuadTreeIndex node, int remaining_depth)
+{
+       Rect old_bounds = m_bounds;
+       if (node == QUADTREE_EMPTY) return;
+       if (!remaining_depth) return;
+       RenderRange(width, height, m_document.GetQuadTree().nodes[node].object_begin, m_document.GetQuadTree().nodes[node].object_end);
+
+       m_bounds = TransformToQuadChild(old_bounds, QTC_TOP_LEFT);
+       RenderQuadtreeNode(width, height, m_document.GetQuadTree().nodes[node].top_left, remaining_depth-1);
+       m_bounds = TransformToQuadChild(old_bounds, QTC_TOP_RIGHT);
+       RenderQuadtreeNode(width, height, m_document.GetQuadTree().nodes[node].top_right, remaining_depth-1);
+       m_bounds = TransformToQuadChild(old_bounds, QTC_BOTTOM_LEFT);
+       RenderQuadtreeNode(width, height, m_document.GetQuadTree().nodes[node].bottom_left, remaining_depth-1);
+       m_bounds = TransformToQuadChild(old_bounds, QTC_BOTTOM_RIGHT);
+       RenderQuadtreeNode(width, height, m_document.GetQuadTree().nodes[node].bottom_right, remaining_depth-1);
+       m_bounds = old_bounds;
+}
+#endif
+
+void View::RenderRange(int width, int height, unsigned first_obj, unsigned last_obj)
 {
        // View dimensions have changed (ie: Window was resized)
        int prev_width = m_cached_display.GetWidth();
@@ -162,10 +197,6 @@ void View::Render(int width, int height)
        m_cached_display.Bind(); //NOTE: This is redundant; Clear already calls Bind
        m_cached_display.Clear();
 
-       // When we QuadTree, this will be magic.
-       int first_obj = 0;
-       int last_obj = m_document.ObjectCount();
-
        // Render using GPU
        if (m_use_gpu_rendering) 
        {
@@ -206,7 +237,7 @@ void View::Render(int width, int height)
 
                for (unsigned i = 0; i < m_object_renderers.size(); ++i)
                {
-                       m_object_renderers[i]->RenderUsingCPU(m_document.m_objects, *this, {m_cpu_rendering_pixels, width, height});
+                       m_object_renderers[i]->RenderUsingCPU(m_document.m_objects, *this, {m_cpu_rendering_pixels, width, height}, first_obj, last_obj);
                }
                m_screen.RenderPixels(0,0,width, height, m_cpu_rendering_pixels); //TODO: Make this work :(
                // Debug for great victory (do something similar for GPU and compare?)