[librsvg/rustification] rsvg-cairo-draw: Factor out function to set up a cairo_t for stroking

[Federico Mena Quintero <federico src gnome org>]

commit 8e84816357b2b3423bd1ee5c61c2ed34074e6994
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Nov 8 18:40:48 2016 -0600

    rsvg-cairo-draw: Factor out function to set up a cairo_t for stroking

 rsvg-cairo-draw.c |   26 ++++++++++++++------------
 1 files changed, 14 insertions(+), 12 deletions(-)
---
diff --git a/rsvg-cairo-draw.c b/rsvg-cairo-draw.c
index 79dd260..89044ac 100644
--- a/rsvg-cairo-draw.c
+++ b/rsvg-cairo-draw.c
@@ -381,6 +381,17 @@ rsvg_cairo_create_pango_context (RsvgDrawingCtx * ctx)
     return context;
 }
 
+static void
+setup_cr_for_stroke (cairo_t *cr, RsvgDrawingCtx *ctx, RsvgState *state)
+{
+    cairo_set_line_width (cr, _rsvg_css_normalize_length (&state->stroke_width, ctx, LENGTH_DIR_BOTH));
+    cairo_set_miter_limit (cr, state->miter_limit);
+    cairo_set_line_cap (cr, (cairo_line_cap_t) state->cap);
+    cairo_set_line_join (cr, (cairo_line_join_t) state->join);
+    cairo_set_dash (cr, state->dash.dash, state->dash.n_dash,
+                    _rsvg_css_normalize_length (&state->dash.offset, ctx, LENGTH_DIR_BOTH));
+}
+
 void
 rsvg_cairo_render_pango_layout (RsvgDrawingCtx * ctx, PangoLayout * layout, double x, double y)
 {
@@ -442,12 +453,8 @@ rsvg_cairo_render_pango_layout (RsvgDrawingCtx * ctx, PangoLayout * layout, doub
             cairo_rotate (render->cr, -rotation);
         pango_cairo_layout_path (render->cr, layout);
 
-        cairo_set_line_width (render->cr, _rsvg_css_normalize_length (&state->stroke_width, ctx, 
LENGTH_DIR_BOTH));
-        cairo_set_miter_limit (render->cr, state->miter_limit);
-        cairo_set_line_cap (render->cr, (cairo_line_cap_t) state->cap);
-        cairo_set_line_join (render->cr, (cairo_line_join_t) state->join);
-        cairo_set_dash (render->cr, state->dash.dash, state->dash.n_dash,
-                        _rsvg_css_normalize_length (&state->dash.offset, ctx, LENGTH_DIR_BOTH));
+        setup_cr_for_stroke (render->cr, ctx, state);
+
         cairo_stroke (render->cr);
         cairo_restore (render->cr);
     }
@@ -470,12 +477,7 @@ rsvg_cairo_render_path_builder (RsvgDrawingCtx * ctx, RsvgPathBuilder *builder)
 
     _set_rsvg_affine (render, &state->affine);
 
-    cairo_set_line_width (cr, _rsvg_css_normalize_length (&state->stroke_width, ctx, LENGTH_DIR_BOTH));
-    cairo_set_miter_limit (cr, state->miter_limit);
-    cairo_set_line_cap (cr, (cairo_line_cap_t) state->cap);
-    cairo_set_line_join (cr, (cairo_line_join_t) state->join);
-    cairo_set_dash (cr, state->dash.dash, state->dash.n_dash,
-                    _rsvg_css_normalize_length (&state->dash.offset, ctx, LENGTH_DIR_BOTH));
+    setup_cr_for_stroke (cr, ctx, state);
 
     rsvg_path_builder_add_to_cairo_context (builder, cr);