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/*
* SVG <text> and <tspan> implementation
*
* Author:
* Lauris Kaplinski <lauris@kaplinski.com>
* Jon A. Cruz <jon@joncruz.org>
* Abhishek Sharma
*
* Copyright (C) 1999-2002 Lauris Kaplinski
* Copyright (C) 2000-2001 Ximian, Inc.
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
/*
* fixme:
*
* These subcomponents should not be items, or alternately
* we have to invent set of flags to mark, whether standard
* attributes are applicable to given item (I even like this
* idea somewhat - Lauris)
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "sp-string.h"
#include "xml/repr.h"
#include "sp-factory.h"
namespace {
SPObject* createString() {
return new SPString();
}
bool stringRegistered = SPFactory::instance().registerObject("string", createString);
}
/*#####################################################
# SPSTRING
#####################################################*/
SPString::SPString() : SPObject() {
//new (&this->string) Glib::ustring();
}
SPString::~SPString() {
}
void SPString::build(SPDocument *doc, Inkscape::XML::Node *repr) {
SPString* object = this;
object->read_content();
SPObject::build(doc, repr);
}
void SPString::release() {
SPObject::release();
}
void SPString::read_content() {
SPString* object = this;
SPString *string = SP_STRING(object);
string->string.clear();
//XML Tree being used directly here while it shouldn't be.
gchar const *xml_string = string->getRepr()->content();
// see algorithms described in svg 1.1 section 10.15
if (object->xml_space.value == SP_XML_SPACE_PRESERVE) {
for ( ; *xml_string ; xml_string = g_utf8_next_char(xml_string) ) {
gunichar c = g_utf8_get_char(xml_string);
if ((c == 0xa) || (c == 0xd) || (c == '\t')) {
c = ' ';
}
string->string += c;
}
}
else {
bool whitespace = false;
for ( ; *xml_string ; xml_string = g_utf8_next_char(xml_string) ) {
gunichar c = g_utf8_get_char(xml_string);
if ((c == 0xa) || (c == 0xd)) {
continue;
}
if ((c == ' ') || (c == '\t')) {
whitespace = true;
} else {
if (whitespace && (!string->string.empty() || (object->getPrev() != NULL))) {
string->string += ' ';
}
string->string += c;
whitespace = false;
}
}
if (whitespace && object->getRepr()->next() != NULL) { // can't use SPObject::getNext() when the SPObject tree is still being built
string->string += ' ';
}
}
object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
void SPString::update(SPCtx * /*ctx*/, unsigned /*flags*/) {
// SPObject::onUpdate(ctx, flags);
// if (flags & (SP_OBJECT_STYLE_MODIFIED_FLAG | SP_OBJECT_MODIFIED_FLAG)) {
// /* Parent style or we ourselves changed, so recalculate */
// flags &= ~SP_OBJECT_USER_MODIFIED_FLAG_B; // won't be "just a transformation" anymore, we're going to recompute "x" and "y" attributes
// }
}
/*
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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