PinPivotRect isn't applied when the link is drawn with an arrow

[gnif]

I am attempting to draw all the input arrows on top of each other, providing a perfect overlap so only one arrow is seen.

Without arrows this works fine:

With the arrows it does not:

To set the pivot point I am using the following code

ImVec2 min = ImGui::GetItemRectMin(); 
ImVec2 max = ImGui::GetItemRectMax(); 
ImVec2 pos =
{
  kind == ed::PinKind::Input ? min.x - 9.0f : max.x + 9.0f,
  min.y + (max.y - min.y) / 2.0f
};
ed::PinPivotRect(pos, pos);

[thedmd]

You can now request link origin to be snapped to pin direction by setting style variable:

ed::PushStyleVar(ed::StyleVar_SnapLinkToPinDir, 1);

By default links are links origins are closest points between pins, this variable change that.

You can recreate example above using this patch:

 examples/blueprints-example/blueprints-example.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/examples/blueprints-example/blueprints-example.cpp b/examples/blueprints-example/blueprints-example.cpp
index c14c2e3..7826d9a 100644
--- a/examples/blueprints-example/blueprints-example.cpp
+++ b/examples/blueprints-example/blueprints-example.cpp
@@ -917,6 +917,8 @@ struct Example:
 
             util::BlueprintNodeBuilder builder(m_HeaderBackground, GetTextureWidth(m_HeaderBackground), GetTextureHeight(m_HeaderBackground));
 
+            ed::PushStyleVar(ed::StyleVar_PinRadius, 10.0f);
+            ed::PushStyleVar(ed::StyleVar_SnapLinkToPinDir, 1);
             for (auto& node : m_Nodes)
             {
                 if (node.Type != NodeType::Blueprint && node.Type != NodeType::Simple)
@@ -977,6 +979,8 @@ struct Example:
                         builder.EndHeader();
                     }
 
+                    ed::PushStyleVar(ed::StyleVar_PinArrowSize, 10.0f);
+                    ed::PushStyleVar(ed::StyleVar_PinArrowWidth, 10.0f);
                     for (auto& input : node.Inputs)
                     {
                         auto alpha = ImGui::GetStyle().Alpha;
@@ -1000,6 +1004,7 @@ struct Example:
                         ImGui::PopStyleVar();
                         builder.EndInput();
                     }
+                    ed::PopStyleVar(2);
 
                     if (isSimple)
                     {
@@ -1054,6 +1059,7 @@ struct Example:
 
                 builder.End();
             }
+            ed::PopStyleVar(2);
 
             for (auto& node : m_Nodes)
             {