1 files changed, 76 insertions, 0 deletions
diff --git a/Project/Sum.cpp b/Project/Sum.cpp
new file mode 100644
index 0000000..e0951db
--- /dev/null
+++ b/Project/Sum.cpp
@@ -0,0 +1,76 @@
+#include "Sum.h"
+#include "SumForm.h"
+
+Sum::Sum()
+    : ControlElement()
+{
+    m_width = m_height = 36.0;
+    Node* nodeIn1 = new Node(m_position + wxPoint2DDouble(-m_width / 2, 9 - m_height / 2), Node::NODE_IN, m_borderSize);
+    nodeIn1->StartMove(m_position);
+    Node* nodeIn2 =
+        new Node(m_position + wxPoint2DDouble(-m_width / 2, 27 - m_height / 2), Node::NODE_IN, m_borderSize);
+    nodeIn2->StartMove(m_position);
+    Node* nodeOut = new Node(m_position + wxPoint2DDouble(m_width / 2, 0), Node::NODE_OUT, m_borderSize);
+    nodeOut->SetAngle(180.0);
+    nodeOut->StartMove(m_position);
+    m_nodeList.push_back(nodeIn1);
+    m_nodeList.push_back(nodeIn2);
+    m_nodeList.push_back(nodeOut);
+    m_signalList.push_back(SIGNAL_POSITIVE);
+    m_signalList.push_back(SIGNAL_NEGATIVE);
+}
+
+Sum::~Sum() {}
+
+void Sum::Draw(wxPoint2DDouble translation, double scale) const
+{
+    glLineWidth(1.0);
+    if(m_selected) {
+        glColor4dv(m_selectionColour.GetRGBA());
+        double borderSize = (m_borderSize * 2.0 + 1.0) / scale;
+        DrawRectangle(m_position, m_width + borderSize, m_height + borderSize);
+    }
+    glColor4d(1.0, 1.0, 1.0, 1.0);
+    DrawRectangle(m_position, m_width, m_height);
+    glColor4d(0.0, 0.0, 0.0, 1.0);
+    DrawRectangle(m_position, m_width, m_height, GL_LINE_LOOP);
+
+    // Plot signals.
+    glLineWidth(2.0);
+    for(int i = 0; i < (int)m_nodeList.size() - 1; ++i) {
+        std::vector<wxPoint2DDouble> hLine;
+        hLine.push_back(m_nodeList[i]->GetPosition() + wxPoint2DDouble(6, 0));
+        hLine.push_back(m_nodeList[i]->GetPosition() + wxPoint2DDouble(12, 0));
+        DrawLine(hLine);
+        if(m_signalList[i] == SIGNAL_POSITIVE) {
+            std::vector<wxPoint2DDouble> vLine;
+            vLine.push_back(m_nodeList[i]->GetPosition() + wxPoint2DDouble(9, -3));
+            vLine.push_back(m_nodeList[i]->GetPosition() + wxPoint2DDouble(9, 3));
+            DrawLine(vLine);
+        }
+    }
+    
+    //Plot sigma.
+    std::vector<wxPoint2DDouble> sigma;
+    sigma.push_back(m_position + wxPoint2DDouble(10, 9));
+    sigma.push_back(m_position + wxPoint2DDouble(0, 9));
+    sigma.push_back(m_position + wxPoint2DDouble(6, 0));
+    sigma.push_back(m_position + wxPoint2DDouble(0, -9));
+    sigma.push_back(m_position + wxPoint2DDouble(10, -9));
+    glColor4d(0.0, 0.3, 1.0, 1.0);
+    DrawLine(sigma);
+    
+    glColor4d(0.0, 0.0, 0.0, 1.0);
+    DrawNodes();
+}
+
+bool Sum::ShowForm(wxWindow* parent, Element* element)
+{
+    SumForm* sumForm = new SumForm(parent, this);
+    if(sumForm->ShowModal() == wxID_OK) {
+        sumForm->Destroy();
+        return true;
+    }
+    sumForm->Destroy();
+    return false;
+}