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// SPDX-License-Identifier: GPL-2.0-or-later
#ifdef HAVE_CONFIG_H
#endif
/*
* SVG <glyph> element implementation
*
* Author:
* Felipe C. da S. Sanches <juca@members.fsf.org>
* Abhishek Sharma
*
* Copyright (C) 2008, Felipe C. da S. Sanches
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "xml/repr.h"
#include "attributes.h"
#include "sp-glyph.h"
#include "document.h"
SPGlyph::SPGlyph()
: SPObject()
//TODO: correct these values:
, d(nullptr)
, orientation(GLYPH_ORIENTATION_BOTH)
, arabic_form(GLYPH_ARABIC_FORM_INITIAL)
, lang(nullptr)
, horiz_adv_x(0)
, vert_origin_x(0)
, vert_origin_y(0)
, vert_adv_y(0)
{
}
void SPGlyph::build(SPDocument *document, Inkscape::XML::Node *repr)
{
SPObject::build(document, repr);
this->readAttr(SPAttr::UNICODE);
this->readAttr(SPAttr::GLYPH_NAME);
this->readAttr(SPAttr::D);
this->readAttr(SPAttr::ORIENTATION);
this->readAttr(SPAttr::ARABIC_FORM);
this->readAttr(SPAttr::LANG);
this->readAttr(SPAttr::HORIZ_ADV_X);
this->readAttr(SPAttr::VERT_ORIGIN_X);
this->readAttr(SPAttr::VERT_ORIGIN_Y);
this->readAttr(SPAttr::VERT_ADV_Y);
}
void SPGlyph::release() {
SPObject::release();
}
static glyphArabicForm sp_glyph_read_arabic_form(gchar const *value){
if (!value) {
return GLYPH_ARABIC_FORM_INITIAL; //TODO: verify which is the default default (for me, the spec is not clear)
}
switch(value[0]){
case 'i':
if (strncmp(value, "initial", 7) == 0) {
return GLYPH_ARABIC_FORM_INITIAL;
}
if (strncmp(value, "isolated", 8) == 0) {
return GLYPH_ARABIC_FORM_ISOLATED;
}
break;
case 'm':
if (strncmp(value, "medial", 6) == 0) {
return GLYPH_ARABIC_FORM_MEDIAL;
}
break;
case 't':
if (strncmp(value, "terminal", 8) == 0) {
return GLYPH_ARABIC_FORM_TERMINAL;
}
break;
}
return GLYPH_ARABIC_FORM_INITIAL; //TODO: VERIFY DEFAULT!
}
static glyphOrientation sp_glyph_read_orientation(gchar const *value)
{
if (!value) {
return GLYPH_ORIENTATION_BOTH;
}
switch(value[0]){
case 'h':
return GLYPH_ORIENTATION_HORIZONTAL;
break;
case 'v':
return GLYPH_ORIENTATION_VERTICAL;
break;
}
//ERROR? TODO: VERIFY PROPER ERROR HANDLING
return GLYPH_ORIENTATION_BOTH;
}
void SPGlyph::set(SPAttr key, const gchar *value)
{
switch (key) {
case SPAttr::UNICODE:
{
this->unicode.clear();
if (value) {
this->unicode.append(value);
}
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
break;
}
case SPAttr::GLYPH_NAME:
{
this->glyph_name.clear();
if (value) {
this->glyph_name.append(value);
}
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
break;
}
case SPAttr::D:
{
if (this->d) {
g_free(this->d);
}
this->d = g_strdup(value);
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
break;
}
case SPAttr::ORIENTATION:
{
glyphOrientation orient = sp_glyph_read_orientation(value);
if (this->orientation != orient){
this->orientation = orient;
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
break;
}
case SPAttr::ARABIC_FORM:
{
glyphArabicForm form = sp_glyph_read_arabic_form(value);
if (this->arabic_form != form){
this->arabic_form = form;
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
break;
}
case SPAttr::LANG:
{
if (this->lang) {
g_free(this->lang);
}
this->lang = g_strdup(value);
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
break;
}
case SPAttr::HORIZ_ADV_X:
{
double number = value ? g_ascii_strtod(value, nullptr) : 0;
if (number != this->horiz_adv_x){
this->horiz_adv_x = number;
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
break;
}
case SPAttr::VERT_ORIGIN_X:
{
double number = value ? g_ascii_strtod(value, nullptr) : 0;
if (number != this->vert_origin_x){
this->vert_origin_x = number;
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
break;
}
case SPAttr::VERT_ORIGIN_Y:
{
double number = value ? g_ascii_strtod(value, nullptr) : 0;
if (number != this->vert_origin_y){
this->vert_origin_y = number;
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
break;
}
case SPAttr::VERT_ADV_Y:
{
double number = value ? g_ascii_strtod(value, nullptr) : 0;
if (number != this->vert_adv_y){
this->vert_adv_y = number;
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
break;
}
default:
{
SPObject::set(key, value);
break;
}
}
}
/**
* Receives update notifications.
*/
void SPGlyph::update(SPCtx *ctx, guint flags)
{
if (flags & SP_OBJECT_MODIFIED_FLAG) {
/* do something to trigger redisplay, updates? */
this->readAttr(SPAttr::UNICODE);
this->readAttr(SPAttr::GLYPH_NAME);
this->readAttr(SPAttr::D);
this->readAttr(SPAttr::ORIENTATION);
this->readAttr(SPAttr::ARABIC_FORM);
this->readAttr(SPAttr::LANG);
this->readAttr(SPAttr::HORIZ_ADV_X);
this->readAttr(SPAttr::VERT_ORIGIN_X);
this->readAttr(SPAttr::VERT_ORIGIN_Y);
this->readAttr(SPAttr::VERT_ADV_Y);
}
SPObject::update(ctx, flags);
}
#define COPY_ATTR(rd,rs,key) (rd)->setAttribute((key), rs->attribute(key));
Inkscape::XML::Node* SPGlyph::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
{
if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
repr = xml_doc->createElement("svg:glyph");
}
/* I am commenting out this part because I am not certain how does it work. I will have to study it later. Juca
repr->setAttribute("unicode", glyph->unicode);
repr->setAttribute("glyph-name", glyph->glyph_name);
repr->setAttribute("d", glyph->d);
repr->setAttributeSvgDouble("orientation", (double) glyph->orientation);
repr->setAttributeSvgDouble("arabic-form", (double) glyph->arabic_form);
repr->setAttribute("lang", glyph->lang);
repr->setAttributeSvgDouble("horiz-adv-x", glyph->horiz_adv_x);
repr->setAttributeSvgDouble("vert-origin-x", glyph->vert_origin_x);
repr->setAttributeSvgDouble("vert-origin-y", glyph->vert_origin_y);
repr->setAttributeSvgDouble("vert-adv-y", glyph->vert_adv_y);
*/
if (repr != this->getRepr()) {
// All the COPY_ATTR functions below use
// XML Tree directly while they shouldn't.
COPY_ATTR(repr, this->getRepr(), "unicode");
COPY_ATTR(repr, this->getRepr(), "glyph-name");
COPY_ATTR(repr, this->getRepr(), "d");
COPY_ATTR(repr, this->getRepr(), "orientation");
COPY_ATTR(repr, this->getRepr(), "arabic-form");
COPY_ATTR(repr, this->getRepr(), "lang");
COPY_ATTR(repr, this->getRepr(), "horiz-adv-x");
COPY_ATTR(repr, this->getRepr(), "vert-origin-x");
COPY_ATTR(repr, this->getRepr(), "vert-origin-y");
COPY_ATTR(repr, this->getRepr(), "vert-adv-y");
}
SPObject::write(xml_doc, repr, flags);
return repr;
}
/*
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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