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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* SVG <symbol> implementation
*
* Authors:
* Lauris Kaplinski <lauris@kaplinski.com>
* Abhishek Sharma
* Jon A. Cruz <jon@joncruz.org>
*
* Copyright (C) 1999-2003 Lauris Kaplinski
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <string>
#include <2geom/transforms.h>
#include "display/drawing-group.h"
#include "xml/repr.h"
#include "attributes.h"
#include "print.h"
#include "sp-symbol.h"
#include "document.h"
SPSymbol::SPSymbol() : SPGroup(), SPViewBox() {
}
SPSymbol::~SPSymbol() = default;
void SPSymbol::build(SPDocument *document, Inkscape::XML::Node *repr) {
this->readAttr( "viewBox" );
this->readAttr( "preserveAspectRatio" );
SPGroup::build(document, repr);
}
void SPSymbol::release() {
SPGroup::release();
}
void SPSymbol::set(SPAttributeEnum key, const gchar* value) {
switch (key) {
case SP_ATTR_VIEWBOX:
set_viewBox( value );
// std::cout << "Symbol: ViewBox: " << viewBox << std::endl;
this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG);
break;
case SP_ATTR_PRESERVEASPECTRATIO:
set_preserveAspectRatio( value );
// std::cout << "Symbol: Preserve aspect ratio: " << aspect_align << ", " << aspect_clip << std::endl;
this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG);
break;
default:
SPGroup::set(key, value);
break;
}
}
void SPSymbol::child_added(Inkscape::XML::Node *child, Inkscape::XML::Node *ref) {
SPGroup::child_added(child, ref);
}
void SPSymbol::update(SPCtx *ctx, guint flags) {
if (this->cloned) {
SPItemCtx *ictx = (SPItemCtx *) ctx;
SPItemCtx rctx = get_rctx( ictx );
// And invoke parent method
SPGroup::update((SPCtx *) &rctx, flags);
// As last step set additional transform of drawing group
for (SPItemView *v = this->display; v != nullptr; v = v->next) {
Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(v->arenaitem);
g->setChildTransform(this->c2p);
}
} else {
// No-op
SPGroup::update(ctx, flags);
}
}
void SPSymbol::modified(unsigned int flags) {
SPGroup::modified(flags);
}
Inkscape::XML::Node* SPSymbol::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) {
if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
repr = xml_doc->createElement("svg:symbol");
}
//XML Tree being used directly here while it shouldn't be.
repr->setAttribute("viewBox", this->getRepr()->attribute("viewBox"));
//XML Tree being used directly here while it shouldn't be.
repr->setAttribute("preserveAspectRatio", this->getRepr()->attribute("preserveAspectRatio"));
SPGroup::write(xml_doc, repr, flags);
return repr;
}
Inkscape::DrawingItem* SPSymbol::show(Inkscape::Drawing &drawing, unsigned int key, unsigned int flags) {
Inkscape::DrawingItem *ai = nullptr;
if (this->cloned) {
// Cloned <symbol> is actually renderable
ai = SPGroup::show(drawing, key, flags);
Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(ai);
if (g) {
g->setChildTransform(this->c2p);
}
}
return ai;
}
void SPSymbol::hide(unsigned int key) {
if (this->cloned) {
/* Cloned <symbol> is actually renderable */
SPGroup::hide(key);
}
}
Geom::OptRect SPSymbol::bbox(Geom::Affine const &transform, SPItem::BBoxType type) const {
Geom::OptRect bbox;
// We don't need a bounding box for Symbols dialog when selecting
// symbols. They have no canvas location. But cloned symbols are.
if (this->cloned) {
Geom::Affine const a( this->c2p * transform );
bbox = SPGroup::bbox(a, type);
}
return bbox;
}
void SPSymbol::print(SPPrintContext* ctx) {
if (this->cloned) {
// Cloned <symbol> is actually renderable
ctx->bind(this->c2p, 1.0);
SPGroup::print(ctx);
ctx->release ();
}
}
/*
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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