diff --git a/src/ffi.rs b/src/ffi.rs
index 77c0d4d..35b4376 100644
--- a/src/ffi.rs
+++ b/src/ffi.rs
@@ -211,6 +211,15 @@ pub struct ImVec2 {
     pub y: c_float
 }
 
+impl ImVec2 {
+   pub fn new(x: f32, y: f32) -> ImVec2 {
+      ImVec2 {
+         x: x as c_float,
+         y: y as c_float
+      }
+   }
+}
+
 #[repr(C)]
 #[derive(Copy, Clone, Debug, Default)]
 pub struct ImVec4 {
@@ -220,6 +229,17 @@ pub struct ImVec4 {
     pub w: c_float
 }
 
+impl ImVec4 {
+   pub fn new(x: f32, y: f32, z: f32, w: f32) -> ImVec4 {
+      ImVec4 {
+         x: x as c_float,
+         y: y as c_float,
+         z: z as c_float,
+         w: w as c_float
+      }
+   }
+}
+
 #[repr(C)]
 pub struct ImGuiStyle {
     pub alpha: c_float,