[librsvg: 1/7] drawing_ctx: simplify code

[Federico Mena Quintero <federico src gnome org>]

commit 648ed7679f8039d0167fda23b3149d1e0ea110a0
Author: Paolo Borelli <pborelli gnome org>
Date:   Fri Jan 17 22:36:14 2020 +0100

    drawing_ctx: simplify code
    
    We do not need to calculate the initial affine with offset, since
    we only use it to transform a distance, hence offset does not
    affect the result.

 rsvg_internals/src/drawing_ctx.rs | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)
---
diff --git a/rsvg_internals/src/drawing_ctx.rs b/rsvg_internals/src/drawing_ctx.rs
index 6e7d622d..e8213d4b 100644
--- a/rsvg_internals/src/drawing_ctx.rs
+++ b/rsvg_internals/src/drawing_ctx.rs
@@ -212,16 +212,13 @@ impl DrawingCtx {
     fn size_for_temporary_surface(&self) -> (i32, i32) {
         let (viewport_width, viewport_height) = (self.rect.width(), self.rect.height());
 
-        let (scaled_width, scaled_height) = self
-            .initial_affine_with_offset()
+        let (width, height) = self
+            .initial_affine
             .transform_distance(viewport_width, viewport_height);
 
         // We need a size in whole pixels, so use ceil() to ensure the whole viewport fits
         // into the temporary surface.
-        let width = scaled_width.ceil() as i32;
-        let height = scaled_height.ceil() as i32;
-
-        (width, height)
+        (width.ceil() as i32, height.ceil() as i32)
     }
 
     pub fn create_surface_for_toplevel_viewport(