GanttDiagram only calls draw_arrow

src/render/GanttDiagram.hpp

@@ -316,11 +316,6 @@ public:
                            const Element_col b,
                            EntityValue* value)
     {
-        /* For SVG */
-        const Element_pos triangle_size = 2.0;
-        const Element_pos coeff         = 180.0f/M_PI;
-        Element_pos angle;
-
         _render->set_color(r, g, b);
 
         start_time   = trace_to_render_x(start_time - Info::Render::_x_min_visible);
@@ -328,14 +323,6 @@ public:
         start_height = trace_to_render_y(start_height);
         end_height   = trace_to_render_y(end_height);
 
-        if (start_time != end_time)
-            angle = atan2((end_height - start_height), (end_time - start_time))*coeff;
-        else
-            angle = 90;
-
-        _render->draw_triangle(end_time, end_height, triangle_size, angle);
-        _render->draw_line(start_time, start_height, end_time, end_height, _z_arrow);
-
         /* For OpenGL */
         _render->draw_arrow(start_time, end_time, start_height, end_height, r, g, b, value);
     }

src/render/Render_svg.cpp

@@ -99,7 +99,7 @@ Render_svg::~Render_svg(){
 
 
 void Render_svg::set_color(float r, float g, float b){
-    _red = r;
+    _red  = r;
     _green = g;
     _blue = b;
 }
@@ -230,7 +230,27 @@ void Render_svg::end_draw_states(){
 void Render_svg::start_draw_arrows(){
 }
 
-void Render_svg::draw_arrow(const Element_pos , const Element_pos , const Element_pos , const Element_pos, const Element_col, const Element_col, const Element_col, EntityValue*){
+void Render_svg::draw_arrow(const Element_pos start_time,
+                            const Element_pos end_time,
+                            const Element_pos start_height,
+                            const Element_pos end_height,
+                            const Element_col r,
+                            const Element_col g,
+                            const Element_col b,
+                            EntityValue *value)
+{
+    const Element_pos triangle_size = 2.0;
+    const Element_pos coeff         = 180.0f/M_PI;
+    Element_pos angle;
+    (void)value;
+
+    if (start_time != end_time)
+        angle = atan2((end_height - start_height), (end_time - start_time))*coeff;
+    else
+        angle = 90;
+
+    draw_triangle(end_time, end_height, triangle_size, angle);
+    draw_line(start_time, start_height, end_time, end_height, _z_arrow);
 }
 
 void Render_svg::end_draw_arrows(){