From cca66b9ec4e494c1d919bff0f71a820d8afab1fa Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:24:48 +0200
Subject: Adding upstream version 1.2.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/object/sp-mesh-patch.cpp | 138 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 src/object/sp-mesh-patch.cpp

(limited to 'src/object/sp-mesh-patch.cpp')

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 :
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