X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fview.cpp;h=aaf7aae76391cddd09467313531ebc457508abd4;hp=73331ef3c7bc76ba9df43aa762cfef3d3e26f94d;hb=a142272ddd5dfe41d9d895655513d705b9910e71;hpb=35e4687acd16a28fc923a75d254cdb4fd2fbc524

diff --git a/src/view.cpp b/src/view.cpp
index 73331ef..aaf7aae 100644
--- a/src/view.cpp
+++ b/src/view.cpp
@@ -124,6 +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();
@@ -168,10 +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) 
 	{