Commit a merge to trunk, with probabal errors

(bzr r11073.1.36)

1 files changed, 38 insertions, 22 deletions

diff --git a/src/xml/repr-css.cpp b/src/xml/repr-css.cpp
index 19f3f1d6c..24e2db9e1 100644
--- a/src/xml/repr-css.cpp
+++ b/src/xml/repr-css.cpp
@@ -27,6 +27,7 @@
 #include "xml/repr.h"
 #include "xml/simple-document.h"
 #include "xml/simple-node.h"
+#include "xml/sp-css-attr.h"
 #include "style.h"
 #include "libcroco/cr-sel-eng.h"
 
@@ -270,10 +271,9 @@ double sp_repr_css_double_property(SPCSSAttr *css, gchar const *name, double def
 /**
  * Write a style attribute string from a list of properties stored in an SPCSAttr object.
  */
-gchar *sp_repr_css_write_string(SPCSSAttr *css)
+void sp_repr_css_write_string(SPCSSAttr *css, Glib::ustring &str)
 {
-    Glib::ustring buffer;
-
+    str.clear();
     for ( List<AttributeRecord const> iter = css->attributeList() ;
           iter ; ++iter )
     {
@@ -281,28 +281,21 @@ gchar *sp_repr_css_write_string(SPCSSAttr *css)
             continue;
         }
 
-        buffer.append(g_quark_to_string(iter->key));
-        buffer.push_back(':');
+        str.append(g_quark_to_string(iter->key));
+        str.push_back(':');
         if (!strcmp(g_quark_to_string(iter->key), "font-family")
                 || !strcmp(g_quark_to_string(iter->key), "-inkscape-font-specification")) {
             // we only quote font-family/font-specification, as SPStyle does
-            gchar *t = g_strdup (iter->value);
-            g_free (t);
-            gchar *val_quoted = css2_escape_quote (iter->value);
-            if (val_quoted) {
-                buffer.append(val_quoted);
-                g_free (val_quoted);
-            }
+            Glib::ustring val_quoted = css2_escape_quote (iter->value);
+            str.append(val_quoted);
         } else {
-            buffer.append(iter->value); // unquoted
+            str.append(iter->value); // unquoted
         }
 
         if (rest(iter)) {
-            buffer.push_back(';');
+            str.push_back(';');
         }
     }
-
-    return (buffer.empty() ? NULL : g_strdup (buffer.c_str()));
 }
 
 /**
@@ -314,17 +307,16 @@ void sp_repr_css_set(Node *repr, SPCSSAttr *css, gchar const *attr)
     g_assert(css != NULL);
     g_assert(attr != NULL);
 
-    gchar *value = sp_repr_css_write_string(css);
+    Glib::ustring value;
+    sp_repr_css_write_string(css, value);
 
     /*
      * If the new value is different from the old value, this will sometimes send a signal via
      * CompositeNodeObserver::notiftyAttributeChanged() which results in calling
-     * SPObject::sp_object_repr_attr_changed and thus updates the object's SPStyle. This update
+     * SPObject::repr_attr_changed and thus updates the object's SPStyle. This update
      * results in another call to repr->setAttribute().
      */
-    repr->setAttribute(attr, value);
-
-    if (value) g_free (value);
+    repr->setAttribute(attr, value.c_str());
 }
 
 /**
@@ -360,12 +352,32 @@ static void sp_repr_css_merge_from_decl(SPCSSAttr *css, CRDeclaration const *con
     guchar *const str_value_unsigned = cr_term_to_string(decl->value);
     gchar *const str_value = reinterpret_cast<gchar *>(str_value_unsigned);
     gchar *value_unquoted = attribute_unquote (str_value); // libcroco returns strings quoted in ""
+    Glib::ustring value_unquoted2 = value_unquoted ? value_unquoted : Glib::ustring();
+    Glib::ustring units;
+
+    /*
+    * Problem with parsing of units em and ex, like font-size "1.2em" and "3.4ex"
+    * stringstream thinks they are in scientific "e" notation and fails
+    * Must be a better way using std::fixed, precision etc
+    *
+    * HACK for now is to strip off em and ex units and add them back at the end
+    */
+    int le = value_unquoted2.length();
+    if (le > 2) {
+        units = value_unquoted2.substr(le-2, 2);
+        if ((units == "em") || (units == "ex")) {
+            value_unquoted2 = value_unquoted2.substr(0, le-2);
+        }
+        else {
+            units.clear();
+        }
+    }
 
     // libcroco uses %.17f for formatting... leading to trailing zeros or small rounding errors.
     // CSSOStringStream is used here to write valid CSS (as in sp_style_write_string). This has
     // the additional benefit of respecting the numerical precission set in the SVG Output
     // preferences. We assume any numerical part comes first (if not, the whole string is copied).
-    std::stringstream ss( value_unquoted );
+    std::stringstream ss( value_unquoted2 );
     double number = 0;
     std::string characters;
     std::string temp;
@@ -379,6 +391,10 @@ static void sp_repr_css_merge_from_decl(SPCSSAttr *css, CRDeclaration const *con
     Inkscape::CSSOStringStream os;
     if( number_valid ) os << number;
     os << characters;
+    if (!units.empty()) {
+        os << units;
+        //g_message("sp_repr_css_merge_from_decl looks like em or ex units %s --> %s", str_value, os.str().c_str());
+    }
     ((Node *) css)->setAttribute(decl->property->stryng->str, os.str().c_str(), false);
     g_free(value_unquoted);
     g_free(str_value);