/**
* Virtual write: write object attributes to repr.
*/
Inkscape::XML::Node* Persp3D::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) {
if ((flags & SP_OBJECT_WRITE_BUILD & SP_OBJECT_WRITE_EXT) && !repr) {
// this is where we end up when saving as plain SVG (also in other circumstances?);
// hence we don't set the sodipodi:type attribute
repr = xml_doc->createElement("inkscape:perspective");
}
if (flags & SP_OBJECT_WRITE_EXT) {
// Written values are in 'user units'.
double scale_x = 1.0;
double scale_y = 1.0;
SPRoot *root = document->getRoot();
if( root->viewBox_set ) {
scale_x = root->viewBox.width() / root->width.computed;
scale_y = root->viewBox.height() / root->height.computed;
}
{
Proj::Pt2 pt = perspective_impl->tmat.column( Proj::X );
Inkscape::SVGOStringStream os;
os << pt[0] * scale_x << " : " << pt[1] * scale_y << " : " << pt[2];
repr->setAttribute("inkscape:vp_x", os.str().c_str());
}
{
Proj::Pt2 pt = perspective_impl->tmat.column( Proj::Y );
Inkscape::SVGOStringStream os;
os << pt[0] * scale_x << " : " << pt[1] * scale_y << " : " << pt[2];
repr->setAttribute("inkscape:vp_y", os.str().c_str());
}
{
Proj::Pt2 pt = perspective_impl->tmat.column( Proj::Z );
Inkscape::SVGOStringStream os;
os << pt[0] * scale_x << " : " << pt[1] * scale_y << " : " << pt[2];
repr->setAttribute("inkscape:vp_z", os.str().c_str());
}
{
Proj::Pt2 pt = perspective_impl->tmat.column( Proj::W );
Inkscape::SVGOStringStream os;
os << pt[0] * scale_x << " : " << pt[1] * scale_y << " : " << pt[2];
repr->setAttribute("inkscape:persp3d-origin", os.str().c_str());
}
}
SPObject::write(xml_doc, repr, flags);
return repr;
}
void
RegisteredVector::on_value_changed()
{
if (setProgrammatically()) {
clearProgrammatically();
return;
}
if (_wr->isUpdating())
return;
_wr->setUpdating (true);
Geom::Point origin = _origin;
Geom::Point vector = getValue();
if (_polar_coords) {
vector = Geom::Point::polar(vector[Geom::X]*M_PI/180, vector[Geom::Y]);
}
Inkscape::SVGOStringStream os;
os << origin << " , " << vector;
write_to_xml(os.str().c_str());
_wr->setUpdating (false);
}
unsigned int PrintLatex::fill(Inkscape::Extension::Print * /*mod*/,
Geom::PathVector const &pathv, Geom::Affine const &transform, SPStyle const *style,
Geom::OptRect const & /*pbox*/, Geom::OptRect const & /*dbox*/, Geom::OptRect const & /*bbox*/)
{
if (!_stream) {
return 0; // XXX: fixme, returning -1 as unsigned.
}
if (style->fill.isColor()) {
Inkscape::SVGOStringStream os;
float rgb[3];
float fill_opacity;
os.setf(std::ios::fixed);
fill_opacity=SP_SCALE24_TO_FLOAT(style->fill_opacity.value);
sp_color_get_rgb_floatv(&style->fill.value.color, rgb);
os << "{\n\\newrgbcolor{curcolor}{" << rgb[0] << " " << rgb[1] << " " << rgb[2] << "}\n";
os << "\\pscustom[linestyle=none,fillstyle=solid,fillcolor=curcolor";
if (fill_opacity!=1.0) {
os << ",opacity="<<fill_opacity;
}
os << "]\n{\n";
print_pathvector(os, pathv, transform);
os << "}\n}\n";
fprintf(_stream, "%s", os.str().c_str());
}
return 0;
}
static Inkscape::XML::Node *
sp_textpath_write(SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
{
SPTextPath *textpath = SP_TEXTPATH(object);
if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
repr = xml_doc->createElement("svg:textPath");
}
textpath->attributes.writeTo(repr);
if (textpath->startOffset._set) {
if (textpath->startOffset.unit == SVGLength::PERCENT) {
Inkscape::SVGOStringStream os;
os << (textpath->startOffset.computed * 100.0) << "%";
SP_OBJECT_REPR(textpath)->setAttribute("startOffset", os.str().c_str());
} else {
/* FIXME: This logic looks rather undesirable if e.g. startOffset is to be
in ems. */
sp_repr_set_svg_double(repr, "startOffset", textpath->startOffset.computed);
}
}
if ( textpath->sourcePath->sourceHref ) repr->setAttribute("xlink:href", textpath->sourcePath->sourceHref);
if ( flags&SP_OBJECT_WRITE_BUILD ) {
GSList *l = NULL;
for (SPObject* child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
Inkscape::XML::Node* c_repr=NULL;
if ( SP_IS_TSPAN(child) || SP_IS_TREF(child) ) {
c_repr = child->updateRepr(xml_doc, NULL, flags);
} else if ( SP_IS_TEXTPATH(child) ) {
//c_repr = child->updateRepr(xml_doc, NULL, flags); // shouldn't happen
} else if ( SP_IS_STRING(child) ) {
c_repr = xml_doc->createTextNode(SP_STRING(child)->string.c_str());
}
if ( c_repr ) l = g_slist_prepend(l, c_repr);
}
while ( l ) {
repr->addChild((Inkscape::XML::Node *) l->data, NULL);
Inkscape::GC::release((Inkscape::XML::Node *) l->data);
l = g_slist_remove(l, l->data);
}
} else {
for (SPObject* child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
if ( SP_IS_TSPAN(child) || SP_IS_TREF(child) ) {
child->updateRepr(flags);
} else if ( SP_IS_TEXTPATH(child) ) {
//c_repr = child->updateRepr(xml_doc, NULL, flags); // shouldn't happen
} else if ( SP_IS_STRING(child) ) {
SP_OBJECT_REPR(child)->setContent(SP_STRING(child)->string.c_str());
}
}
}
if (((SPObjectClass *) textpath_parent_class)->write)
((SPObjectClass *) textpath_parent_class)->write(object, xml_doc, repr, flags);
return repr;
}
gchar *
ScalarParam::param_getSVGValue() const
{
Inkscape::SVGOStringStream os;
os << value;
gchar * str = g_strdup(os.str().c_str());
return str;
}
gchar *
VectorParam::param_getSVGValue() const
{
Inkscape::SVGOStringStream os;
os << origin << " , " << vector;
gchar * str = g_strdup(os.str().c_str());
return str;
}
gchar *
PointParam::param_getSVGValue() const
{
Inkscape::SVGOStringStream os;
os << *dynamic_cast<Geom::Point const *>( this );
gchar * str = g_strdup(os.str().c_str());
return str;
}
gchar *
TransfMat3x4::pt_to_str (Proj::Axis axis) {
Inkscape::SVGOStringStream os;
os << tmat[0][axis] << " : "
<< tmat[1][axis] << " : "
<< tmat[2][axis];
return g_strdup(os.str().c_str());
}
/**
* N.B.\ This routine will sometimes return strings with `e' notation, so is unsuitable for CSS
* lengths (which don't allow scientific `e' notation).
*/
std::string sp_svg_length_write_with_units(SVGLength const &length)
{
Inkscape::SVGOStringStream os;
if (length.unit == SVGLength::PERCENT) {
os << 100*length.value << sp_svg_length_get_css_units(length.unit);
} else {
os << length.value << sp_svg_length_get_css_units(length.unit);
}
return os.str();
}
char *Path::svg_dump_path() const
{
Inkscape::SVGOStringStream os;
for (int i = 0; i < int(descr_cmd.size()); i++) {
Geom::Point const p = (i == 0) ? Geom::Point(0, 0) : PrevPoint(i - 1);
descr_cmd[i]->dumpSVG(os, p);
}
return g_strdup (os.str().c_str());
}
/* If the viewBox is missing, set one
*/
void Metafile::setViewBoxIfMissing(SPDocument *doc) {
if (doc && !doc->getRoot()->viewBox_set) {
bool saved = Inkscape::DocumentUndo::getUndoSensitive(doc);
Inkscape::DocumentUndo::setUndoSensitive(doc, false);
doc->ensureUpToDate();
// Set document unit
Inkscape::XML::Node *repr = sp_document_namedview(doc, 0)->getRepr();
Inkscape::SVGOStringStream os;
Inkscape::Util::Unit const* doc_unit = doc->getWidth().unit;
os << doc_unit->abbr;
repr->setAttribute("inkscape:document-units", os.str().c_str());
// Set viewBox
doc->setViewBox(Geom::Rect::from_xywh(0, 0, doc->getWidth().value(doc_unit), doc->getHeight().value(doc_unit)));
doc->ensureUpToDate();
// Scale and translate objects
double scale = Inkscape::Util::Quantity::convert(1, "px", doc_unit);
Inkscape::UI::ShapeEditor::blockSetItem(true);
double dh;
if(SP_ACTIVE_DOCUMENT){ // for file menu open or import, or paste from clipboard
dh = SP_ACTIVE_DOCUMENT->getHeight().value("px");
}
else { // for open via --file on command line
dh = doc->getHeight().value("px");
}
// These should not affect input, but they do, so set them to a neutral state
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
bool transform_stroke = prefs->getBool("/options/transform/stroke", true);
bool transform_rectcorners = prefs->getBool("/options/transform/rectcorners", true);
bool transform_pattern = prefs->getBool("/options/transform/pattern", true);
bool transform_gradient = prefs->getBool("/options/transform/gradient", true);
prefs->setBool("/options/transform/stroke", true);
prefs->setBool("/options/transform/rectcorners", true);
prefs->setBool("/options/transform/pattern", true);
prefs->setBool("/options/transform/gradient", true);
doc->getRoot()->scaleChildItemsRec(Geom::Scale(scale), Geom::Point(0, dh), true);
Inkscape::UI::ShapeEditor::blockSetItem(false);
// restore options
prefs->setBool("/options/transform/stroke", transform_stroke);
prefs->setBool("/options/transform/rectcorners", transform_rectcorners);
prefs->setBool("/options/transform/pattern", transform_pattern);
prefs->setBool("/options/transform/gradient", transform_gradient);
Inkscape::DocumentUndo::setUndoSensitive(doc, saved);
}
}
unsigned int PrintLatex::stroke(Inkscape::Extension::Print * /*mod*/,
Geom::PathVector const &pathv, Geom::Affine const &transform, SPStyle const *style,
Geom::OptRect const & /*pbox*/, Geom::OptRect const & /*dbox*/, Geom::OptRect const & /*bbox*/)
{
if (!_stream) {
return 0; // XXX: fixme, returning -1 as unsigned.
}
if (style->stroke.isColor()) {
Inkscape::SVGOStringStream os;
float rgb[3];
float stroke_opacity;
Geom::Affine tr_stack = m_tr_stack.top();
double const scale = tr_stack.descrim();
os.setf(std::ios::fixed);
stroke_opacity=SP_SCALE24_TO_FLOAT(style->stroke_opacity.value);
sp_color_get_rgb_floatv(&style->stroke.value.color, rgb);
os << "{\n\\newrgbcolor{curcolor}{" << rgb[0] << " " << rgb[1] << " " << rgb[2] << "}\n";
os << "\\pscustom[linewidth=" << style->stroke_width.computed*scale<< ",linecolor=curcolor";
if (stroke_opacity!=1.0) {
os<<",strokeopacity="<<stroke_opacity;
}
if (style->stroke_dasharray_set &&
style->stroke_dash.n_dash &&
style->stroke_dash.dash) {
int i;
os << ",linestyle=dashed,dash=";
for (i = 0; i < style->stroke_dash.n_dash; i++) {
if ((i)) {
os << " ";
}
os << style->stroke_dash.dash[i];
}
}
os <<"]\n{\n";
print_pathvector(os, pathv, transform);
os << "}\n}\n";
fprintf(_stream, "%s", os.str().c_str());
}
return 0;
}
void
RegisteredUnitMenu::on_changed()
{
if (_wr->isUpdating())
return;
Inkscape::SVGOStringStream os;
os << getUnitMenu()->getUnitAbbr();
_wr->setUpdating (true);
write_to_xml(os.str().c_str());
_wr->setUpdating (false);
}
void
PointParam::param_setValue(Geom::Point newpoint, bool write)
{
*dynamic_cast<Geom::Point *>( this ) = newpoint;
if(write){
Inkscape::SVGOStringStream os;
os << newpoint;
gchar * str = g_strdup(os.str().c_str());
param_write_to_repr(str);
g_free(str);
}
if(knoth){
knoth->update_knots();
}
}
void
RegisteredText::on_activate()
{
if (setProgrammatically) {
setProgrammatically = false;
return;
}
if (_wr->isUpdating()) {
return;
}
_wr->setUpdating (true);
Inkscape::SVGOStringStream os;
os << getText();
set_sensitive(false);
write_to_xml(os.str().c_str());
set_sensitive(true);
setText(os.str().c_str());
_wr->setUpdating (false);
}
/*
* sp_svg_write_polygon: Write points attribute for polygon tag.
* pathv may only contain paths with only straight line segments
* Return value: points attribute string.
*/
static gchar *sp_svg_write_polygon(Geom::PathVector const & pathv)
{
Inkscape::SVGOStringStream os;
for (Geom::PathVector::const_iterator pit = pathv.begin(); pit != pathv.end(); ++pit) {
for (Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_default(); ++cit) {
if ( is_straight_curve(*cit) )
{
os << cit->finalPoint()[0] << "," << cit->finalPoint()[1] << " ";
} else {
g_error("sp_svg_write_polygon: polygon path contains non-straight line segments");
}
}
}
return g_strdup(os.str().c_str());
}
/**
* Writes the object into the repr object, then calls the parent's write routine.
*/
static Inkscape::XML::Node *
sp_root_write(SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
{
SPRoot *root = SP_ROOT(object);
if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
repr = xml_doc->createElement("svg:svg");
}
if (flags & SP_OBJECT_WRITE_EXT) {
repr->setAttribute("inkscape:version", Inkscape::version_string);
}
if ( !repr->attribute("version") ) {
gchar* myversion = sp_version_to_string(root->version.svg);
repr->setAttribute("version", myversion);
g_free(myversion);
}
if (fabs(root->x.computed) > 1e-9)
sp_repr_set_svg_double(repr, "x", root->x.computed);
if (fabs(root->y.computed) > 1e-9)
sp_repr_set_svg_double(repr, "y", root->y.computed);
/* Unlike all other SPObject, here we want to preserve absolute units too (and only here,
* according to the recommendation in http://www.w3.org/TR/SVG11/coords.html#Units).
*/
repr->setAttribute("width", sp_svg_length_write_with_units(root->width).c_str());
repr->setAttribute("height", sp_svg_length_write_with_units(root->height).c_str());
if (root->viewBox_set) {
Inkscape::SVGOStringStream os;
os << root->viewBox.left() << " " << root->viewBox.top() << " "
<< root->viewBox.width() << " " << root->viewBox.height();
repr->setAttribute("viewBox", os.str().c_str());
}
if (((SPObjectClass *) (parent_class))->write)
((SPObjectClass *) (parent_class))->write(object, xml_doc, repr, flags);
return repr;
}
void
RegisteredPoint::on_value_changed()
{
if (setProgrammatically()) {
clearProgrammatically();
return;
}
if (_wr->isUpdating())
return;
_wr->setUpdating (true);
Inkscape::SVGOStringStream os;
os << getXValue() << "," << getYValue();
write_to_xml(os.str().c_str());
_wr->setUpdating (false);
}
void
RegisteredSuffixedInteger::on_value_changed()
{
if (setProgrammatically) {
setProgrammatically = false;
return;
}
if (_wr->isUpdating())
return;
_wr->setUpdating (true);
Inkscape::SVGOStringStream os;
os << getValue();
write_to_xml(os.str().c_str());
_wr->setUpdating (false);
}
void
RegisteredRandom::on_value_changed()
{
if (setProgrammatically) {
setProgrammatically = false;
return;
}
if (_wr->isUpdating()) {
return;
}
_wr->setUpdating (true);
Inkscape::SVGOStringStream os;
os << getValue() << ';' << getStartSeed();
set_sensitive(false);
write_to_xml(os.str().c_str());
set_sensitive(true);
_wr->setUpdating (false);
}
void
RegisteredScalarUnit::on_value_changed()
{
if (setProgrammatically) {
setProgrammatically = false;
return;
}
if (_wr->isUpdating())
return;
_wr->setUpdating (true);
Inkscape::SVGOStringStream os;
os << getValue("");
if (_um)
os << _um->getUnitAbbr();
write_to_xml(os.str().c_str());
_wr->setUpdating (false);
}
void
RegisteredTransformedPoint::on_value_changed()
{
if (setProgrammatically()) {
clearProgrammatically();
return;
}
if (_wr->isUpdating())
return;
_wr->setUpdating (true);
Geom::Point pos = getValue() * to_svg;
Inkscape::SVGOStringStream os;
os << pos;
write_to_xml(os.str().c_str());
_wr->setUpdating (false);
}
unsigned int PrintLatex::begin (Inkscape::Extension::Print *mod, SPDocument *doc)
{
Inkscape::SVGOStringStream os;
int res;
FILE *osf = NULL;
const gchar * fn = NULL;
gsize bytesRead = 0;
gsize bytesWritten = 0;
GError* error = NULL;
os.setf(std::ios::fixed);
fn = mod->get_param_string("destination");
gchar* local_fn = g_filename_from_utf8( fn,
-1, &bytesRead, &bytesWritten, &error);
fn = local_fn;
/* TODO: Replace the below fprintf's with something that does the right thing whether in
* gui or batch mode (e.g. --print=blah). Consider throwing an exception: currently one of
* the callers (sp_print_document_to_file, "ret = mod->begin(doc)") wrongly ignores the
* return code.
*/
if (fn != NULL) {
while (isspace(*fn)) fn += 1;
Inkscape::IO::dump_fopen_call(fn, "K");
osf = Inkscape::IO::fopen_utf8name(fn, "w+");
if (!osf) {
fprintf(stderr, "inkscape: fopen(%s): %s\n", fn, strerror(errno));
g_free(local_fn);
return 0;
}
_stream = osf;
}
g_free(local_fn);
/* fixme: this is kinda icky */
#if !defined(_WIN32) && !defined(__WIN32__)
(void) signal(SIGPIPE, SIG_IGN);
#endif
res = fprintf(_stream, "%%LaTeX with PSTricks extensions\n");
/* flush this to test output stream as early as possible */
if (fflush(_stream)) {
/*g_print("caught error in sp_module_print_plain_begin\n");*/
if (ferror(_stream)) {
g_print("Error %d on output stream: %s\n", errno,
g_strerror(errno));
}
g_print("Printing failed\n");
/* fixme: should use pclose() for pipes */
fclose(_stream);
_stream = NULL;
fflush(stdout);
return 0;
}
// width and height in pt
_width = doc->getWidth().value("pt");
_height = doc->getHeight().value("pt");
if (res >= 0) {
os << "%%Creator: " << PACKAGE_STRING << "\n";
os << "%%Please note this file requires PSTricks extensions\n";
os << "\\psset{xunit=.5pt,yunit=.5pt,runit=.5pt}\n";
// from now on we can output px, but they will be treated as pt
os << "\\begin{pspicture}(" << doc->getWidth().value("px") << "," << doc->getHeight().value("px") << ")\n";
}
m_tr_stack.push( Geom::Scale(1, -1) * Geom::Translate(0, doc->getHeight().value("px"))); /// @fixme hardcoded doc2dt transform
return fprintf(_stream, "%s", os.str().c_str());
}