Support for title and desc elements when serializing as Plain SVG.

(bzr r6709)

10 files changed, 260 insertions, 0 deletions

diff --git a/src/Makefile_insert b/src/Makefile_insert
index 876959798..2aaf3607b 100644
--- a/src/Makefile_insert
+++ b/src/Makefile_insert
@@ -166,6 +166,7 @@ libinkpre_a_SOURCES =	\
 	sp-conn-end.cpp sp-conn-end.h	\
 	sp-cursor.cpp sp-cursor.h	\
 	sp-defs.cpp sp-defs.h	\
+	sp-desc.cpp sp-desc.h	\
 	sp-ellipse.cpp sp-ellipse.h	\
 	sp-feblend.cpp sp-feblend.h	\
 	sp-feblend-fns.h	\
@@ -271,6 +272,7 @@ libinkpre_a_SOURCES =	\
 	sp-switch.cpp sp-switch.h\
 	sp-text.cpp sp-text.h	\
 	sp-textpath.h	\
+	sp-title.cpp sp-title.h	\
 	sp-tref-reference.cpp sp-tref-reference.h \
 	sp-tref.cpp sp-tref.h \
 	sp-tspan.cpp sp-tspan.h	\
diff --git a/src/sp-desc.cpp b/src/sp-desc.cpp
new file mode 100644
index 000000000..1c8229847
--- /dev/null
+++ b/src/sp-desc.cpp
@@ -0,0 +1,76 @@
+#define __SP_DESC_C__
+
+/*
+ * SVG <desc> implementation
+ *
+ * Authors:
+ *   Jeff Schiller <codedread@gmail.com>
+ *
+ * Copyright (C) 2008 Jeff Schiller
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "sp-desc.h"
+#include "xml/repr.h"
+
+static void sp_desc_class_init(SPDescClass *klass);
+static void sp_desc_init(SPDesc *rect);
+static Inkscape::XML::Node *sp_desc_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags);
+
+static SPObjectClass *desc_parent_class;
+
+GType
+sp_desc_get_type (void)
+{
+    static GType desc_type = 0;
+
+    if (!desc_type) {
+        GTypeInfo desc_info = {
+            sizeof (SPDescClass),
+            NULL, NULL,
+            (GClassInitFunc) sp_desc_class_init,
+            NULL, NULL,
+            sizeof (SPDesc),
+            16,
+            (GInstanceInitFunc) sp_desc_init,
+            NULL,    /* value_table */
+        };
+        desc_type = g_type_register_static (SP_TYPE_OBJECT, "SPDesc", &desc_info, (GTypeFlags)0);
+    }
+    return desc_type;
+}
+
+static void
+sp_desc_class_init(SPDescClass *klass)
+{
+    SPObjectClass *sp_object_class = (SPObjectClass *) klass;
+    desc_parent_class = (SPObjectClass *) g_type_class_ref(SP_TYPE_OBJECT);;
+
+    sp_object_class->write = sp_desc_write;
+}
+
+static void
+sp_desc_init(SPDesc */*desc*/)
+{
+}
+
+/*
+ * \brief Writes it's settings to an incoming repr object, if any
+ */
+static Inkscape::XML::Node *
+sp_desc_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags)
+{
+    if (!repr) {
+        repr = SP_OBJECT_REPR (object)->duplicate(doc);
+    }
+
+    if (((SPObjectClass *) desc_parent_class)->write)
+        ((SPObjectClass *) desc_parent_class)->write(object, doc, repr, flags);
+
+    return repr;
+}
diff --git a/src/sp-desc.h b/src/sp-desc.h
new file mode 100644
index 000000000..8c5a8a663
--- /dev/null
+++ b/src/sp-desc.h
@@ -0,0 +1,32 @@
+#ifndef __SP_DESC_H__
+#define __SP_DESC_H__
+
+/*
+ * SVG <desc> implementation
+ *
+ * Authors:
+ *   Jeff Schiller <codedread@gmail.com>
+ *
+ * Copyright (C) 2008 Jeff Schiller
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "sp-object.h"
+
+#define SP_TYPE_DESC            (sp_desc_get_type ())
+#define SP_IS_DESC(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SP_TYPE_DESC))
+
+class SPDesc;
+class SPDescClass;
+
+struct SPDesc : public SPObject {
+};
+
+struct SPDescClass {
+	SPObjectClass parent_class;
+};
+
+GType sp_desc_get_type (void);
+
+#endif
diff --git a/src/sp-flowregion.cpp b/src/sp-flowregion.cpp
index 490407f81..3b45951b8 100644
--- a/src/sp-flowregion.cpp
+++ b/src/sp-flowregion.cpp
@@ -15,6 +15,8 @@
 #include "sp-use.h"
 #include "style.h"
 #include "document.h"
+#include "sp-title.h"
+#include "sp-desc.h"
 
 #include "sp-flowregion.h"
 
@@ -240,6 +242,7 @@ sp_flowregion_write (SPObject *object, Inkscape::XML::Document *xml_doc, Inkscap
 
         GSList *l = NULL;
         for ( SPObject *child = sp_object_first_child(object) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
+            if (SP_IS_TITLE(child) || SP_IS_DESC(child)) continue;
             Inkscape::XML::Node *crepr = child->updateRepr(xml_doc, NULL, flags);
             if (crepr) l = g_slist_prepend(l, crepr);
         }
@@ -252,6 +255,7 @@ sp_flowregion_write (SPObject *object, Inkscape::XML::Document *xml_doc, Inkscap
 
     } else {
         for ( SPObject *child = sp_object_first_child(object) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
+            if (SP_IS_TITLE(child) || SP_IS_DESC(child)) continue;
             child->updateRepr(flags);
         }
     }
diff --git a/src/sp-item-group.cpp b/src/sp-item-group.cpp
index 186b76663..4cea8aad5 100644
--- a/src/sp-item-group.cpp
+++ b/src/sp-item-group.cpp
@@ -45,6 +45,8 @@
 #include "selection.h"
 #include "live_effects/lpeobject.h"
 #include "live_effects/lpeobject-reference.h"
+#include "sp-title.h"
+#include "sp-desc.h"
 
 static void sp_group_class_init (SPGroupClass *klass);
 static void sp_group_init (SPGroup *group);
@@ -233,6 +235,7 @@ sp_group_write (SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XM
                 }
 		l = NULL;
 		for (child = sp_object_first_child(object); child != NULL; child = SP_OBJECT_NEXT(child) ) {
+			if (SP_IS_TITLE(child) || SP_IS_DESC(child)) continue;
 			crepr = child->updateRepr(xml_doc, NULL, flags);
 			if (crepr) l = g_slist_prepend (l, crepr);
 		}
@@ -243,6 +246,7 @@ sp_group_write (SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XM
 		}
 	} else {
 		for (child = sp_object_first_child(object) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
+			if (SP_IS_TITLE(child) || SP_IS_DESC(child)) continue;
 			child->updateRepr(flags);
 		}
 	}
diff --git a/src/sp-item.cpp b/src/sp-item.cpp
index f88d7b9e0..0d285c3f0 100644
--- a/src/sp-item.cpp
+++ b/src/sp-item.cpp
@@ -55,6 +55,8 @@
 #include "sp-filter-reference.h"
 #include "filter-chemistry.h"
 #include "sp-guide.h"
+#include "sp-title.h"
+#include "sp-desc.h"
 
 #include "libnr/nr-matrix-fns.h"
 #include "libnr/nr-matrix-scale-ops.h"
@@ -657,8 +659,32 @@ sp_item_update(SPObject *object, SPCtx *ctx, guint flags)
 static Inkscape::XML::Node *
 sp_item_write(SPObject *const object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
 {
+    SPObject *child;
     SPItem *item = SP_ITEM(object);
 
+    // in the case of SP_OBJECT_WRITE_BUILD, the item should always be newly created, 
+    // so we need to add any children from the underlying object to the new repr
+    if (flags & SP_OBJECT_WRITE_BUILD) {
+        Inkscape::XML::Node *crepr;
+        GSList *l;
+        l = NULL;
+        for (child = sp_object_first_child(object); child != NULL; child = SP_OBJECT_NEXT(child) ) {
+            if (!SP_IS_TITLE(child) && !SP_IS_DESC(child)) continue;
+            crepr = child->updateRepr(xml_doc, NULL, flags);
+            if (crepr) l = g_slist_prepend (l, crepr);
+        }
+        while (l) {
+            repr->addChild((Inkscape::XML::Node *) l->data, NULL);
+            Inkscape::GC::release((Inkscape::XML::Node *) l->data);
+            l = g_slist_remove (l, l->data);
+        }
+    } else {
+        for (child = sp_object_first_child(object) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
+            if (!SP_IS_TITLE(child) && !SP_IS_DESC(child)) continue;
+            child->updateRepr(flags);
+        }
+    }
+
     gchar *c = sp_svg_transform_write(item->transform);
     repr->setAttribute("transform", c);
     g_free(c);
diff --git a/src/sp-object-repr.cpp b/src/sp-object-repr.cpp
index 87c27214d..f45ed1283 100644
--- a/src/sp-object-repr.cpp
+++ b/src/sp-object-repr.cpp
@@ -81,6 +81,8 @@
 #include "sp-feturbulence.h"
 #include "sp-femergenode.h"
 #include "live_effects/lpeobject.h"
+#include "sp-title.h"
+#include "sp-desc.h"
 
 
 enum NameType { REPR_NAME, SODIPODI_TYPE };
@@ -138,6 +140,7 @@ populate_dtables()
         { "svg:color-profile", COLORPROFILE_TYPE },
         { "svg:clipPath", SP_TYPE_CLIPPATH },
         { "svg:defs", SP_TYPE_DEFS },
+        { "svg:desc", SP_TYPE_DESC },
         { "svg:ellipse", SP_TYPE_ELLIPSE },
         { "svg:filter", SP_TYPE_FILTER },
         /* Note: flow* elements are proposed additions for SVG 1.2, they aren't in
@@ -203,6 +206,7 @@ populate_dtables()
         { "svg:symbol", SP_TYPE_SYMBOL },
         { "svg:text", SP_TYPE_TEXT },
         { "svg:textPath", SP_TYPE_TEXTPATH },
+        { "svg:title", SP_TYPE_TITLE },
         { "svg:tref", SP_TYPE_TREF },
         { "svg:tspan", SP_TYPE_TSPAN },
         { "svg:use", SP_TYPE_USE },
diff --git a/src/sp-text.cpp b/src/sp-text.cpp
index 09b926e63..59ced44e5 100644
--- a/src/sp-text.cpp
+++ b/src/sp-text.cpp
@@ -44,6 +44,8 @@
 #include "xml/quote.h"
 #include "xml/repr.h"
 #include "mod360.h"
+#include "sp-title.h"
+#include "sp-desc.h"
 
 #include "sp-textpath.h"
 #include "sp-tref.h"
@@ -308,6 +310,7 @@ sp_text_write (SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML
             repr = xml_doc->createElement("svg:text");
         GSList *l = NULL;
         for (SPObject *child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
+            if (SP_IS_TITLE(child) || SP_IS_DESC(child)) continue;
             Inkscape::XML::Node *crepr = NULL;
             if (SP_IS_STRING(child)) {
                 crepr = xml_doc->createTextNode(SP_STRING(child)->string.c_str());
@@ -323,6 +326,7 @@ sp_text_write (SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML
         }
     } else {
         for (SPObject *child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
+            if (SP_IS_TITLE(child) || SP_IS_DESC(child)) continue;
             if (SP_IS_STRING(child)) {
                 SP_OBJECT_REPR(child)->setContent(SP_STRING(child)->string.c_str());
             } else {
diff --git a/src/sp-title.cpp b/src/sp-title.cpp
new file mode 100644
index 000000000..c820c70f0
--- /dev/null
+++ b/src/sp-title.cpp
@@ -0,0 +1,76 @@
+#define __SP_TITLE_C__
+
+/*
+ * SVG <title> implementation
+ *
+ * Authors:
+ *   Jeff Schiller <codedread@gmail.com>
+ *
+ * Copyright (C) 2008 Jeff Schiller
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "sp-title.h"
+#include "xml/repr.h"
+
+static void sp_title_class_init(SPTitleClass *klass);
+static void sp_title_init(SPTitle *rect);
+static Inkscape::XML::Node *sp_title_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags);
+
+static SPObjectClass *title_parent_class;
+
+GType
+sp_title_get_type (void)
+{
+    static GType title_type = 0;
+
+    if (!title_type) {
+        GTypeInfo title_info = {
+            sizeof (SPTitleClass),
+            NULL, NULL,
+            (GClassInitFunc) sp_title_class_init,
+            NULL, NULL,
+            sizeof (SPTitle),
+            16,
+            (GInstanceInitFunc) sp_title_init,
+            NULL,    /* value_table */
+        };
+        title_type = g_type_register_static (SP_TYPE_OBJECT, "SPTitle", &title_info, (GTypeFlags)0);
+    }
+    return title_type;
+}
+
+static void
+sp_title_class_init(SPTitleClass *klass)
+{
+    SPObjectClass *sp_object_class = (SPObjectClass *) klass;
+    title_parent_class = (SPObjectClass *) g_type_class_ref(SP_TYPE_OBJECT);
+
+    sp_object_class->write = sp_title_write;
+}
+
+static void
+sp_title_init(SPTitle */*desc*/)
+{
+}
+
+/*
+ * \brief Writes it's settings to an incoming repr object, if any
+ */
+static Inkscape::XML::Node *
+sp_title_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags)
+{
+    if (!repr) {
+        repr = SP_OBJECT_REPR (object)->duplicate(doc);
+    }
+
+    if (((SPObjectClass *) title_parent_class)->write)
+        ((SPObjectClass *) title_parent_class)->write(object, doc, repr, flags);
+
+    return repr;
+}
diff --git a/src/sp-title.h b/src/sp-title.h
new file mode 100644
index 000000000..a5f0a2fea
--- /dev/null
+++ b/src/sp-title.h
@@ -0,0 +1,32 @@
+#ifndef __SP_TITLE_H__
+#define __SP_TITLE_H__
+
+/*
+ * SVG <title> implementation
+ *
+ * Authors:
+ *   Jeff Schiller <codedread@gmail.com>
+ *
+ * Copyright (C) 2008 Jeff Schiller
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "sp-object.h"
+
+#define SP_TYPE_TITLE           (sp_title_get_type ())
+#define SP_IS_TITLE(obj)        (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SP_TYPE_TITLE))
+
+class SPTitle;
+class SPTitleClass;
+
+struct SPTitle : public SPObject {
+};
+
+struct SPTitleClass {
+	SPObjectClass parent_class;
+};
+
+GType sp_title_get_type (void);
+
+#endif