[librsvg] Bind rsvg_state_get_letter_spacing()

[Federico Mena Quintero <federico src gnome org>]

commit be9eec634e6138e4ce686a1652b70c02e9832aa3
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Dec 15 10:58:44 2017 -0600

    Bind rsvg_state_get_letter_spacing()

 rsvg-styles.c     |  7 +++++++
 rsvg-styles.h     |  2 ++
 rsvg-text.c       |  4 +++-
 rust/src/state.rs | 25 ++++++++++++++++---------
 4 files changed, 28 insertions(+), 10 deletions(-)
---
diff --git a/rsvg-styles.c b/rsvg-styles.c
index 7a9e895..5b2fb07 100644
--- a/rsvg-styles.c
+++ b/rsvg-styles.c
@@ -1822,3 +1822,10 @@ rsvg_state_get_font_stretch (RsvgState *state)
 {
     return state->font_stretch;
 }
+
+RsvgLength
+rsvg_state_get_letter_spacing (RsvgState *state)
+{
+    return state->letter_spacing;
+}
+
diff --git a/rsvg-styles.h b/rsvg-styles.h
index 1f4869c..83738ed 100644
--- a/rsvg-styles.h
+++ b/rsvg-styles.h
@@ -281,6 +281,8 @@ PangoWeight rsvg_state_get_font_weight (RsvgState *state);
 G_GNUC_INTERNAL
 PangoStretch rsvg_state_get_font_stretch (RsvgState *state);
 
+G_GNUC_INTERNAL
+RsvgLength rsvg_state_get_letter_spacing (RsvgState *state);
 
 G_END_DECLS
 
diff --git a/rsvg-text.c b/rsvg-text.c
index 1e00eda..ee52b98 100644
--- a/rsvg-text.c
+++ b/rsvg-text.c
@@ -561,6 +561,7 @@ rsvg_text_create_layout (RsvgDrawingCtx *ctx, const char *text)
     double dpi_y;
     const char *lang;
     UnicodeBidi unicode_bidi;
+    RsvgLength letter_spacing;
 
     state = rsvg_current_state (ctx);
 
@@ -597,7 +598,8 @@ rsvg_text_create_layout (RsvgDrawingCtx *ctx, const char *text)
     pango_font_description_free (font_desc);
 
     attr_list = pango_attr_list_new ();
-    attribute = pango_attr_letter_spacing_new (rsvg_length_normalize (&state->letter_spacing, ctx) * 
PANGO_SCALE);
+    letter_spacing = rsvg_state_get_letter_spacing (state);
+    attribute = pango_attr_letter_spacing_new (rsvg_length_normalize (&letter_spacing, ctx) * PANGO_SCALE);
     attribute->start_index = 0;
     attribute->end_index = G_MAXINT;
     pango_attr_list_insert (attr_list, attribute);
diff --git a/rust/src/state.rs b/rust/src/state.rs
index 5e60eb3..8c88f82 100644
--- a/rust/src/state.rs
+++ b/rust/src/state.rs
@@ -3,6 +3,8 @@ use glib::translate::*;
 use pango;
 use pango_sys;
 
+use length::RsvgLength;
+
 pub enum RsvgState {}
 
 // Keep in sync with rsvg-styles.h:UnicodeBidi
@@ -14,15 +16,16 @@ pub enum UnicodeBidi {
 }
 
 extern "C" {
-    fn rsvg_state_get_language     (state: *const RsvgState) -> *const libc::c_char;
-    fn rsvg_state_get_unicode_bidi (state: *const RsvgState) -> UnicodeBidi;
-    fn rsvg_state_get_text_dir     (state: *const RsvgState) -> pango_sys::PangoDirection;
-    fn rsvg_state_get_text_gravity (state: *const RsvgState) -> pango_sys::PangoGravity;
-    fn rsvg_state_get_font_family  (state: *const RsvgState) -> *const libc::c_char;
-    fn rsvg_state_get_font_style   (state: *const RsvgState) -> pango_sys::PangoStyle;
-    fn rsvg_state_get_font_variant (state: *const RsvgState) -> pango_sys::PangoVariant;
-    fn rsvg_state_get_font_weight  (state: *const RsvgState) -> pango_sys::PangoWeight;
-    fn rsvg_state_get_font_stretch (state: *const RsvgState) -> pango_sys::PangoStretch;
+    fn rsvg_state_get_language       (state: *const RsvgState) -> *const libc::c_char;
+    fn rsvg_state_get_unicode_bidi   (state: *const RsvgState) -> UnicodeBidi;
+    fn rsvg_state_get_text_dir       (state: *const RsvgState) -> pango_sys::PangoDirection;
+    fn rsvg_state_get_text_gravity   (state: *const RsvgState) -> pango_sys::PangoGravity;
+    fn rsvg_state_get_font_family    (state: *const RsvgState) -> *const libc::c_char;
+    fn rsvg_state_get_font_style     (state: *const RsvgState) -> pango_sys::PangoStyle;
+    fn rsvg_state_get_font_variant   (state: *const RsvgState) -> pango_sys::PangoVariant;
+    fn rsvg_state_get_font_weight    (state: *const RsvgState) -> pango_sys::PangoWeight;
+    fn rsvg_state_get_font_stretch   (state: *const RsvgState) -> pango_sys::PangoStretch;
+    fn rsvg_state_get_letter_spacing (state: *const RsvgState) -> RsvgLength;
 }
 
 pub fn get_language(state: *const RsvgState) -> Option<String> {
@@ -62,3 +65,7 @@ pub fn get_font_weight(state: *const RsvgState) -> pango::Weight {
 pub fn get_font_stretch(state: *const RsvgState) -> pango::Stretch {
     unsafe { from_glib(rsvg_state_get_font_stretch(state)) }
 }
+
+pub fn get_letter_spacing(state: *const RsvgState) -> RsvgLength {
+    unsafe { rsvg_state_get_letter_spacing(state) }
+}