1 files changed, 2 insertions, 0 deletions

diff --git a/core/src/rendering.rs b/core/src/rendering.rs
index 3f2303b..73daa2a 100644
--- a/core/src/rendering.rs
+++ b/core/src/rendering.rs
@@ -4,6 +4,8 @@ use super::text::{DefinedFontDescription, FontDescription};
 use super::types::DefinedCoreShapeContext;
 
 pub trait Renderer {
+    // Must be called once before any drawing happens
+    fn set_size(&mut self, width: f64, height: f64);
     fn move_to(&mut self, x: f64, y: f64);
     fn stroke(&mut self);
     fn fill(&mut self);