diff options
Diffstat (limited to 'src/live_effects/lpeobject.cpp')
| -rw-r--r-- | src/live_effects/lpeobject.cpp | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/src/live_effects/lpeobject.cpp b/src/live_effects/lpeobject.cpp new file mode 100644 index 000000000..0ce2ce283 --- /dev/null +++ b/src/live_effects/lpeobject.cpp @@ -0,0 +1,260 @@ +#define INKSCAPE_LIVEPATHEFFECT_OBJECT_CPP
+
+/*
+ * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "xml/repr.h"
+#include "xml/node-event-vector.h"
+#include "sp-object.h"
+#include "attributes.h"
+
+#include "document.h"
+#include <glibmm/i18n.h>
+
+#include "live_effects/lpeobject.h"
+#include "live_effects/effect.h"
+
+//#define LIVEPATHEFFECT_VERBOSE
+
+static void livepatheffect_class_init(LivePathEffectObjectClass *klass);
+static void livepatheffect_init(LivePathEffectObject *stop);
+
+static void livepatheffect_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
+static void livepatheffect_release(SPObject *object);
+
+static void livepatheffect_set(SPObject *object, unsigned key, gchar const *value);
+static Inkscape::XML::Node *livepatheffect_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
+
+static void livepatheffect_on_repr_attr_changed (Inkscape::XML::Node * repr, const gchar *key, const gchar *oldval, const gchar *newval, bool is_interactive, void * data);
+
+static SPObjectClass *livepatheffect_parent_class;
+/**
+ * Registers the LivePathEffect class with Gdk and returns its type number.
+ */
+GType
+livepatheffect_get_type ()
+{
+ static GType livepatheffect_type = 0;
+
+ if (!livepatheffect_type) {
+ GTypeInfo livepatheffect_info = {
+ sizeof (LivePathEffectObjectClass),
+ NULL, NULL,
+ (GClassInitFunc) livepatheffect_class_init,
+ NULL, NULL,
+ sizeof (LivePathEffectObject),
+ 16,
+ (GInstanceInitFunc) livepatheffect_init,
+ NULL,
+ };
+ livepatheffect_type = g_type_register_static (SP_TYPE_OBJECT, "LivePathEffectObject", &livepatheffect_info, (GTypeFlags)0);
+ }
+ return livepatheffect_type;
+}
+
+static Inkscape::XML::NodeEventVector const livepatheffect_repr_events = {
+ NULL, /* child_added */
+ NULL, /* child_removed */
+ livepatheffect_on_repr_attr_changed,
+ NULL, /* content_changed */
+ NULL /* order_changed */
+};
+
+
+/**
+ * Callback to initialize livepatheffect vtable.
+ */
+static void
+livepatheffect_class_init(LivePathEffectObjectClass *klass)
+{
+ SPObjectClass *sp_object_class = (SPObjectClass *) klass;
+
+ livepatheffect_parent_class = (SPObjectClass *) g_type_class_ref(SP_TYPE_OBJECT);
+
+ sp_object_class->build = livepatheffect_build;
+ sp_object_class->release = livepatheffect_release;
+
+ sp_object_class->set = livepatheffect_set;
+ sp_object_class->write = livepatheffect_write;
+}
+
+/**
+ * Callback to initialize livepatheffect object.
+ */
+static void
+livepatheffect_init(LivePathEffectObject *lpeobj)
+{
+#ifdef LIVEPATHEFFECT_VERBOSE
+ g_message("Init livepatheffectobject");
+#endif
+ lpeobj->effecttype = Inkscape::LivePathEffect::INVALID_LPE;
+ lpeobj->lpe = NULL;
+
+ lpeobj->effecttype_set = false;
+}
+
+/**
+ * Virtual build: set livepatheffect attributes from its associated XML node.
+ */
+static void
+livepatheffect_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
+{
+#ifdef LIVEPATHEFFECT_VERBOSE
+ g_message("Build livepatheffect");
+#endif
+
+ if (((SPObjectClass *) livepatheffect_parent_class)->build)
+ (* ((SPObjectClass *) livepatheffect_parent_class)->build)(object, document, repr);
+
+ sp_object_read_attr(object, "effect");
+
+ if (repr) {
+ repr->addListener (&livepatheffect_repr_events, object);
+ }
+
+ /* Register ourselves */
+// sp_document_add_resource(document, "path-effect", object);
+}
+
+/**
+ * Virtual release of livepatheffect members before destruction.
+ */
+static void
+livepatheffect_release(SPObject *object)
+{
+ LivePathEffectObject *lpeobj = LIVEPATHEFFECT(object);
+
+#ifdef LIVEPATHEFFECT_VERBOSE
+ g_print("Releasing livepatheffect");
+#endif
+
+/*
+ if (SP_OBJECT_DOCUMENT(object)) {
+ // Unregister ourselves
+ sp_document_remove_resource(SP_OBJECT_DOCUMENT(object), "livepatheffect", SP_OBJECT(object));
+ }
+
+ if (gradient->ref) {
+ gradient->modified_connection.disconnect();
+ gradient->ref->detach();
+ delete gradient->ref;
+ gradient->ref = NULL;
+ }
+
+ gradient->modified_connection.~connection();
+
+*/
+
+ if (lpeobj->lpe) {
+ delete lpeobj->lpe;
+ lpeobj->lpe = NULL;
+ }
+ lpeobj->effecttype = Inkscape::LivePathEffect::INVALID_LPE;
+
+ if (((SPObjectClass *) livepatheffect_parent_class)->release)
+ ((SPObjectClass *) livepatheffect_parent_class)->release(object);
+}
+
+/**
+ * Virtual set: set attribute to value.
+ */
+static void
+livepatheffect_set(SPObject *object, unsigned key, gchar const *value)
+{
+ LivePathEffectObject *lpeobj = LIVEPATHEFFECT(object);
+#ifdef LIVEPATHEFFECT_VERBOSE
+ g_print("Set livepatheffect");
+#endif
+ switch (key) {
+ case SP_PROP_PATH_EFFECT:
+ if (lpeobj->lpe) {
+ delete lpeobj->lpe;
+ lpeobj->lpe = NULL;
+ }
+
+ if (value) {
+ lpeobj->effecttype = Inkscape::LivePathEffect::LPETypeConverter.get_id_from_key(value);
+ if (lpeobj->effecttype != Inkscape::LivePathEffect::INVALID_LPE) {
+ lpeobj->lpe = Inkscape::LivePathEffect::Effect::New(lpeobj->effecttype, lpeobj);
+ lpeobj->lpe->readallParameters(SP_OBJECT_REPR(object));
+ }
+ lpeobj->effecttype_set = true;
+ } else {
+ lpeobj->effecttype = Inkscape::LivePathEffect::INVALID_LPE;
+ lpeobj->effecttype_set = false;
+ }
+ object->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ break;
+ }
+
+ if (((SPObjectClass *) livepatheffect_parent_class)->set) {
+ ((SPObjectClass *) livepatheffect_parent_class)->set(object, key, value);
+ }
+}
+
+/**
+ * Virtual write: write object attributes to repr.
+ */
+static Inkscape::XML::Node *
+livepatheffect_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
+{
+#ifdef LIVEPATHEFFECT_VERBOSE
+ g_print("Write livepatheffect");
+#endif
+
+ LivePathEffectObject *lpeobj = LIVEPATHEFFECT(object);
+
+ if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
+ Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_OBJECT_DOCUMENT(object));
+ repr = xml_doc->createElement("inkscape:path-effect");
+ }
+
+ if ((flags & SP_OBJECT_WRITE_ALL) || lpeobj->effecttype_set)
+ repr->setAttribute("effect", Inkscape::LivePathEffect::LPETypeConverter.get_key(lpeobj->effecttype).c_str());
+
+// lpeobj->lpe->write(repr); something like this.
+
+ if (((SPObjectClass *) livepatheffect_parent_class)->write)
+ (* ((SPObjectClass *) livepatheffect_parent_class)->write)(object, repr, flags);
+
+ return repr;
+}
+
+static void
+livepatheffect_on_repr_attr_changed ( Inkscape::XML::Node * repr,
+ const gchar *key,
+ const gchar *oldval,
+ const gchar *newval,
+ bool is_interactive,
+ void * data )
+{
+#ifdef LIVEPATHEFFECT_VERBOSE
+ g_print("livepatheffect_on_repr_attr_changed");
+#endif
+
+ if (!data)
+ return;
+
+ LivePathEffectObject *lpeobj = (LivePathEffectObject*) data;
+ if (!lpeobj->lpe)
+ return;
+
+ lpeobj->lpe->setParameter(repr, key, oldval, newval);
+
+ lpeobj->requestModified(SP_OBJECT_MODIFIED_FLAG);
+}
+
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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