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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2008 Authors:
* Ted Gould <ted@gould.cx>
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "filter.h"
#include "io/sys.h"
#include "io/resource.h"
#include "io/stream/inkscapestream.h"
/* Directory includes */
#include "path-prefix.h"
#include "inkscape.h"
/* Extension */
#include "extension/extension.h"
#include "extension/system.h"
/* System includes */
#include <glibmm/i18n.h>
#include <glibmm/fileutils.h>
using namespace Inkscape::IO::Resource;
namespace Inkscape {
namespace Extension {
namespace Internal {
namespace Filter {
void
filters_load_file (Glib::ustring filename, gchar * menuname)
{
Inkscape::XML::Document *doc = sp_repr_read_file(filename.c_str(), INKSCAPE_EXTENSION_URI);
if (doc == nullptr) {
g_warning("File (%s) is not parseable as XML. Ignored.", filename.c_str());
return;
}
Inkscape::XML::Node * root = doc->root();
if (strcmp(root->name(), "svg:svg")) {
Inkscape::GC::release(doc);
g_warning("File (%s) is not SVG. Ignored.", filename.c_str());
return;
}
for (Inkscape::XML::Node * child = root->firstChild();
child != nullptr; child = child->next()) {
if (!strcmp(child->name(), "svg:defs")) {
for (Inkscape::XML::Node * defs = child->firstChild();
defs != nullptr; defs = defs->next()) {
if (!strcmp(defs->name(), "svg:filter")) {
Filter::filters_load_node(defs, menuname);
} // oh! a filter
} //defs
} // is defs
} // children of root
Inkscape::GC::release(doc);
return;
}
void Filter::filters_all_files()
{
for(auto &filename: get_filenames(USER, FILTERS, {".svg"})) {
filters_load_file(filename, _("Personal"));
}
for(auto &filename: get_filenames(SYSTEM, FILTERS, {".svg"})) {
filters_load_file(filename, _("Bundled"));
}
}
#include "extension/internal/clear-n_.h"
class mywriter : public Inkscape::IO::BasicWriter {
Glib::ustring _str;
public:
void close() override;
void flush() override;
void put (char ch) override;
gchar const * c_str () { return _str.c_str(); }
};
void mywriter::close () { return; }
void mywriter::flush () { return; }
void mywriter::put (char ch) { _str += ch; }
void
Filter::filters_load_node (Inkscape::XML::Node *node, gchar * menuname)
{
gchar const * label = node->attribute("inkscape:label");
gchar const * menu = node->attribute("inkscape:menu");
gchar const * menu_tooltip = node->attribute("inkscape:menu-tooltip");
gchar const * id = node->attribute("id");
if (label == nullptr) {
label = id;
}
// clang-format off
gchar * xml_str = g_strdup_printf(
"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
"<name>%s</name>\n"
"<id>org.inkscape.effect.filter.%s</id>\n"
"<effect>\n"
"<object-type>all</object-type>\n"
"<effects-menu>\n"
"<submenu name=\"" N_("Filters") "\">\n"
"<submenu name=\"%s\"/>\n"
"</submenu>\n"
"</effects-menu>\n"
"<menu-tip>%s</menu-tip>\n"
"</effect>\n"
"</inkscape-extension>\n", label, id, menu? menu : menuname, menu_tooltip? menu_tooltip : label);
// clang-format on
// FIXME: Bad hack: since we pull out a single filter node out of SVG file and
// serialize it, it loses the namespace declarations from the root, so we must provide
// one right here for our inkscape attributes
node->setAttribute("xmlns:inkscape", SP_INKSCAPE_NS_URI);
mywriter writer;
sp_repr_write_stream(node, writer, 0, FALSE, g_quark_from_static_string("svg"), 0, 0);
Inkscape::Extension::build_from_mem(xml_str, new Filter(g_strdup(writer.c_str())));
g_free(xml_str);
return;
}
}; /* namespace Filter */
}; /* namespace Internal */
}; /* namespace Extension */
}; /* namespace Inkscape */
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