summaryrefslogtreecommitdiffstats
path: root/src/object/sp-mesh-patch.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/object/sp-mesh-patch.cpp')
-rw-r--r--src/object/sp-mesh-patch.cpp138
1 files changed, 138 insertions, 0 deletions
diff --git a/src/object/sp-mesh-patch.cpp b/src/object/sp-mesh-patch.cpp
new file mode 100644
index 0000000..3d1fddd
--- /dev/null
+++ b/src/object/sp-mesh-patch.cpp
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * @gradient meshpatch class.
+ */
+/* Authors:
+ * Lauris Kaplinski <lauris@kaplinski.com>
+ * bulia byak
+ * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
+ * Jon A. Cruz <jon@joncruz.org>
+ * Tavmjong Bah <tavjong@free.fr>
+ *
+ * Copyright (C) 1999,2005 authors
+ * Copyright (C) 2010 Jon A. Cruz
+ * Copyright (C) 2012 Tavmjong Bah
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+#include "sp-mesh-patch.h"
+#include "style.h"
+
+#include "attributes.h"
+
+SPMeshpatch* SPMeshpatch::getNextMeshpatch()
+{
+ SPMeshpatch *result = nullptr;
+
+ for (SPObject* obj = getNext(); obj && !result; obj = obj->getNext()) {
+ if (SP_IS_MESHPATCH(obj)) {
+ result = SP_MESHPATCH(obj);
+ }
+ }
+
+ return result;
+}
+
+SPMeshpatch* SPMeshpatch::getPrevMeshpatch()
+{
+ SPMeshpatch *result = nullptr;
+
+ for (SPObject* obj = getPrev(); obj; obj = obj->getPrev()) {
+ // The closest previous SPObject that is an SPMeshpatch *should* be ourself.
+ if (SP_IS_MESHPATCH(obj)) {
+ SPMeshpatch* meshpatch = SP_MESHPATCH(obj);
+ // Sanity check to ensure we have a proper sibling structure.
+ if (meshpatch->getNextMeshpatch() == this) {
+ result = meshpatch;
+ } else {
+ g_warning("SPMeshpatch previous/next relationship broken");
+ }
+ break;
+ }
+ }
+
+ return result;
+}
+
+
+/*
+ * Mesh Patch
+ */
+SPMeshpatch::SPMeshpatch() : SPObject() {
+ this->tensor_string = nullptr;
+}
+
+SPMeshpatch::~SPMeshpatch() = default;
+
+void SPMeshpatch::build(SPDocument* doc, Inkscape::XML::Node* repr) {
+ SPObject::build(doc, repr);
+
+ this->readAttr(SPAttr::TENSOR);
+}
+
+/**
+ * Virtual build: set meshpatch attributes from its associated XML node.
+ */
+void SPMeshpatch::set(SPAttr key, const gchar* value) {
+ switch (key) {
+ case SPAttr::TENSOR: {
+ if (value) {
+ this->tensor_string = new Glib::ustring( value );
+ // std::cout << "sp_meshpatch_set: Tensor string: " << patch->tensor_string->c_str() << std::endl;
+ }
+ break;
+ }
+ default: {
+ // Do nothing
+ }
+ }
+}
+
+/**
+ * modified
+ */
+void SPMeshpatch::modified(unsigned int flags) {
+
+ flags &= SP_OBJECT_MODIFIED_CASCADE;
+ std::vector<SPObject *> l;
+ for (auto& child: children) {
+ sp_object_ref(&child);
+ l.push_back(&child);
+ }
+
+ for (auto child:l) {
+ if (flags || (child->mflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
+ child->emitModified(flags);
+ }
+ sp_object_unref(child);
+ }
+}
+
+
+/**
+ * Virtual set: set attribute to value.
+ */
+Inkscape::XML::Node* SPMeshpatch::write(Inkscape::XML::Document* xml_doc, Inkscape::XML::Node* repr, guint flags) {
+ if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
+ repr = xml_doc->createElement("svg:meshpatch");
+ }
+
+ SPObject::write(xml_doc, repr, flags);
+
+ return repr;
+}
+
+/**
+ * Virtual write: write object attributes to repr.
+ */
+
+/*
+ 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:fileencoding=utf-8:textwidth=99 :