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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
commitcca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch)
tree146f39ded1c938019e1ed42d30923c2ac9e86789 /src/path/path-object-set.cpp
parentInitial commit. (diff)
downloadinkscape-upstream.tar.xz
inkscape-upstream.zip
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/path/path-object-set.cpp')
-rw-r--r--src/path/path-object-set.cpp166
1 files changed, 166 insertions, 0 deletions
diff --git a/src/path/path-object-set.cpp b/src/path/path-object-set.cpp
new file mode 100644
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+++ b/src/path/path-object-set.cpp
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+// SPDX-License-Identifier: GPL-2.0-or-later
+
+/** @file
+ *
+ * Path related functions for ObjectSet.
+ *
+ * Copyright (C) 2020 Tavmjong Bah
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ *
+ * TODO: Move related code from path-chemistry.cpp
+ *
+ */
+
+#include <glibmm/i18n.h>
+
+#include "document-undo.h"
+#include "message-stack.h"
+
+#include "attribute-rel-util.h"
+
+#include "object/object-set.h"
+#include "path/path-outline.h"
+#include "path/path-simplify.h"
+#include "ui/icon-names.h"
+
+using Inkscape::ObjectSet;
+
+bool
+ObjectSet::strokesToPaths(bool legacy, bool skip_undo)
+{
+ if (desktop() && isEmpty()) {
+ desktop()->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>stroked path(s)</b> to convert stroke to path."));
+ return false;
+ }
+
+ bool did = false;
+
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ if (prefs->getBool("/options/pathoperationsunlink/value", true)) {
+ did = unlinkRecursive(true);
+ }
+
+ // Need to turn on stroke scaling to ensure stroke is scaled when transformed!
+ bool scale_stroke = prefs->getBool("/options/transform/stroke", true);
+ prefs->setBool("/options/transform/stroke", true);
+
+
+ std::vector<SPItem *> my_items(items().begin(), items().end());
+
+ for (auto item : my_items) {
+ // Do not remove the object from the selection here
+ // as we want to keep it selected if the whole operation fails
+ Inkscape::XML::Node *new_node = item_to_paths(item, legacy);
+ if (new_node) {
+ SPObject* new_item = document()->getObjectByRepr(new_node);
+
+ // Markers don't inherit properties from outside the
+ // marker. When converted to paths objects they need to be
+ // protected from inheritance. This is why (probably) the stroke
+ // to path code uses SP_STYLE_FLAG_ALWAYS when defining the
+ // style of the fill and stroke during the conversion. This
+ // means the style contains every possible property. Once we've
+ // finished the stroke to path conversion, we can eliminate
+ // unneeded properties from the style element.
+ sp_attribute_clean_recursive(new_node, SP_ATTRCLEAN_STYLE_REMOVE | SP_ATTRCLEAN_DEFAULT_REMOVE);
+
+ add(new_item); // Add to selection.
+ did = true;
+ }
+ }
+
+ // Reset
+ prefs->setBool("/options/transform/stroke", scale_stroke);
+
+ if (desktop() && !did) {
+ desktop()->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No stroked paths</b> in the selection."));
+ }
+
+ if (did && !skip_undo) {
+ Inkscape::DocumentUndo::done(document(), _("Convert stroke to path"), "");
+ } else if (!did && !skip_undo) {
+ Inkscape::DocumentUndo::cancel(document());
+ }
+
+ return did;
+}
+
+bool
+ObjectSet::simplifyPaths(bool skip_undo)
+{
+ if (desktop() && isEmpty()) {
+ desktop()->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>path(s)</b> to simplify."));
+ return false;
+ }
+
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ double threshold = prefs->getDouble("/options/simplifythreshold/value", 0.003);
+ bool justCoalesce = prefs->getBool( "/options/simplifyjustcoalesce/value", false);
+
+ // Keep track of accelerated simplify
+ static gint64 previous_time = 0;
+ static gdouble multiply = 1.0;
+
+ // Get the current time
+ gint64 current_time = g_get_monotonic_time();
+
+ // Was the previous call to this function recent? (<0.5 sec)
+ if (previous_time > 0 && current_time - previous_time < 500000) {
+
+ // add to the threshold 1/2 of its original value
+ multiply += 0.5;
+ threshold *= multiply;
+
+ } else {
+ // reset to the default
+ multiply = 1;
+ }
+
+ // Remember time for next call
+ previous_time = current_time;
+
+ // set "busy" cursor
+ if (desktop()) {
+ desktop()->setWaitingCursor();
+ }
+
+ Geom::OptRect selectionBbox = visualBounds();
+ if (!selectionBbox) {
+ std::cerr << "ObjectSet::: selection has no visual bounding box!" << std::endl;
+ return false;
+ }
+ double size = L2(selectionBbox->dimensions());
+
+ int pathsSimplified = 0;
+ std::vector<SPItem *> my_items(items().begin(), items().end());
+ for (auto item : my_items) {
+ pathsSimplified += path_simplify(item, threshold, justCoalesce, size);
+ }
+
+ if (pathsSimplified > 0 && !skip_undo) {
+ DocumentUndo::done(document(), _("Simplify"), INKSCAPE_ICON("path-simplify"));
+ }
+
+ if (desktop()) {
+ desktop()->clearWaitingCursor();
+ if (pathsSimplified > 0) {
+ desktop()->messageStack()->flashF(Inkscape::NORMAL_MESSAGE, _("<b>%d</b> paths simplified."), pathsSimplified);
+ } else {
+ desktop()->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No paths</b> to simplify in the selection."));
+ }
+ }
+
+ return (pathsSimplified > 0);
+}
+
+/*
+ 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 :