QuadTree Rendering with GPU coord transform.

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

diff --git a/src/quadtree.cpp b/src/quadtree.cpp
index a4e0df2..9ba2cee 100644 (file)
--- a/src/quadtree.cpp
+++ b/src/quadtree.cpp
@@ -5,36 +5,36 @@ namespace IPDF {
 
 Rect TransformToQuadChild(const Rect& src, QuadTreeNodeChildren child_type)
 {
-       Rect dst;
+       Rect dst = src;
        dst.x *= 2;
        dst.y *= 2;
        dst.w *= 2;
        dst.h *= 2;
        if (child_type == QTC_BOTTOM_LEFT || child_type == QTC_BOTTOM_RIGHT)
        {
-               dst.x -= 2;
+               dst.x -= 1;
        }
        if (child_type == QTC_TOP_RIGHT || child_type == QTC_BOTTOM_RIGHT)
        {
-               dst.y -= 2;
+               dst.y -= 1;
        }
        return dst;
 }
 
 Rect TransformFromQuadChild(const Rect& src, QuadTreeNodeChildren child_type)
 {
-       Rect dst;
+       Rect dst = src;
        dst.x *= 0.5;
        dst.y *= 0.5;
        dst.w *= 0.5;
        dst.h *= 0.5;
        if (child_type == QTC_BOTTOM_LEFT || child_type == QTC_BOTTOM_RIGHT)
        {
-               dst.x += 0.5;
+               dst.x += 1;
        }
        if (child_type == QTC_TOP_RIGHT || child_type == QTC_BOTTOM_RIGHT)
        {
-               dst.y += 0.5;
+               dst.y += 1;
        }
        return dst;
 }