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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Stock-items
*
* Stock Item management code
*
* Authors:
* John Cliff <simarilius@yahoo.com>
* Jon A. Cruz <jon@joncruz.org>
* Abhishek Sharma
*
* Copyright 2004 John Cliff
*
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#define noSP_SS_VERBOSE
#include <cstring>
#include <glibmm/fileutils.h>
#include "path-prefix.h"
#include <xml/repr.h>
#include "inkscape.h"
#include "io/sys.h"
#include "io/resource.h"
#include "stock-items.h"
#include "object/sp-gradient.h"
#include "object/sp-pattern.h"
#include "object/sp-marker.h"
#include "object/sp-defs.h"
static SPDocument *load_paint_doc(char const *basename,
Inkscape::IO::Resource::Type type = Inkscape::IO::Resource::PAINT)
{
using namespace Inkscape::IO::Resource;
for (Domain const domain : {SYSTEM, CREATE}) {
auto const filename = get_path_string(domain, type, basename);
if (Glib::file_test(filename, Glib::FILE_TEST_IS_REGULAR)) {
auto doc = SPDocument::createNewDoc(filename.c_str(), false);
if (doc) {
doc->ensureUpToDate();
return doc;
}
}
}
return nullptr;
}
// FIXME: these should be merged with the icon loading code so they
// can share a common file/doc cache. This function should just
// take the dir to look in, and the file to check for, and cache
// against that, rather than the existing copy/paste code seen here.
static SPObject * sp_marker_load_from_svg(gchar const *name, SPDocument *current_doc)
{
if (!current_doc) {
return nullptr;
}
/* Try to load from document */
static SPDocument *doc = load_paint_doc("markers.svg", Inkscape::IO::Resource::MARKERS);
if (doc) {
/* Get the marker we want */
SPObject *object = doc->getObjectById(name);
if (object && SP_IS_MARKER(object)) {
SPDefs *defs = current_doc->getDefs();
Inkscape::XML::Document *xml_doc = current_doc->getReprDoc();
Inkscape::XML::Node *mark_repr = object->getRepr()->duplicate(xml_doc);
defs->getRepr()->addChild(mark_repr, nullptr);
SPObject *cloned_item = current_doc->getObjectByRepr(mark_repr);
Inkscape::GC::release(mark_repr);
return cloned_item;
}
}
return nullptr;
}
static SPObject *
sp_pattern_load_from_svg(gchar const *name, SPDocument *current_doc)
{
if (!current_doc) {
return nullptr;
}
/* Try to load from document */
static SPDocument *doc = load_paint_doc("patterns.svg");
if (doc) {
/* Get the pattern we want */
SPObject *object = doc->getObjectById(name);
if (object && SP_IS_PATTERN(object)) {
SPDefs *defs = current_doc->getDefs();
Inkscape::XML::Document *xml_doc = current_doc->getReprDoc();
Inkscape::XML::Node *pat_repr = object->getRepr()->duplicate(xml_doc);
defs->getRepr()->addChild(pat_repr, nullptr);
Inkscape::GC::release(pat_repr);
return object;
}
}
return nullptr;
}
static SPObject *
sp_gradient_load_from_svg(gchar const *name, SPDocument *current_doc)
{
if (!current_doc) {
return nullptr;
}
/* Try to load from document */
static SPDocument *doc = load_paint_doc("gradients.svg");
if (doc) {
/* Get the gradient we want */
SPObject *object = doc->getObjectById(name);
if (object && SP_IS_GRADIENT(object)) {
SPDefs *defs = current_doc->getDefs();
Inkscape::XML::Document *xml_doc = current_doc->getReprDoc();
Inkscape::XML::Node *pat_repr = object->getRepr()->duplicate(xml_doc);
defs->getRepr()->addChild(pat_repr, nullptr);
Inkscape::GC::release(pat_repr);
return object;
}
}
return nullptr;
}
// get_stock_item returns a pointer to an instance of the desired stock object in the current doc
// if necessary it will import the object. Copes with name clashes through use of the inkscape:stockid property
// This should be set to be the same as the id in the library file.
SPObject *get_stock_item(gchar const *urn, gboolean stock)
{
g_assert(urn != nullptr);
/* check its an inkscape URN */
if (!strncmp (urn, "urn:inkscape:", 13)) {
gchar const *e = urn + 13;
int a = 0;
gchar * name = g_strdup(e);
gchar *name_p = name;
while (*name_p != ':' && *name_p != '\0'){
name_p++;
a++;
}
if (*name_p ==':') {
name_p++;
}
gchar * base = g_strndup(e, a);
SPDocument *doc = SP_ACTIVE_DOCUMENT;
SPDefs *defs = doc->getDefs();
if (!defs) {
g_free(base);
return nullptr;
}
SPObject *object = nullptr;
if (!strcmp(base, "marker") && !stock) {
for (auto& child: defs->children)
{
if (child.getRepr()->attribute("inkscape:stockid") &&
!strcmp(name_p, child.getRepr()->attribute("inkscape:stockid")) &&
SP_IS_MARKER(&child))
{
object = &child;
}
}
}
else if (!strcmp(base,"pattern") && !stock) {
for (auto& child: defs->children)
{
if (child.getRepr()->attribute("inkscape:stockid") &&
!strcmp(name_p, child.getRepr()->attribute("inkscape:stockid")) &&
SP_IS_PATTERN(&child))
{
object = &child;
}
}
}
else if (!strcmp(base,"gradient") && !stock) {
for (auto& child: defs->children)
{
if (child.getRepr()->attribute("inkscape:stockid") &&
!strcmp(name_p, child.getRepr()->attribute("inkscape:stockid")) &&
SP_IS_GRADIENT(&child))
{
object = &child;
}
}
}
if (object == nullptr) {
if (!strcmp(base, "marker")) {
object = sp_marker_load_from_svg(name_p, doc);
}
else if (!strcmp(base, "pattern")) {
object = sp_pattern_load_from_svg(name_p, doc);
}
else if (!strcmp(base, "gradient")) {
object = sp_gradient_load_from_svg(name_p, doc);
}
}
g_free(base);
g_free(name);
if (object) {
object->setAttribute("inkscape:isstock", "true");
}
return object;
}
else {
SPDocument *doc = SP_ACTIVE_DOCUMENT;
SPObject *object = doc->getObjectById(urn);
return object;
}
}
/*
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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