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/*
* Copyright (C) Johan Engelen 2012 <j.b.c.engelen@alumnus.utwente.nl>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "live_effects/lpe-clone-original.h"
#include "display/curve.h"
#include "svg/path-string.h"
#include "svg/svg.h"
#include <boost/algorithm/string.hpp>
#include "xml/sp-css-attr.h"
// TODO due to internal breakage in glibmm headers, this must be last:
#include <glibmm/i18n.h>
namespace Inkscape {
namespace LivePathEffect {
LPECloneOriginal::LPECloneOriginal(LivePathEffectObject *lpeobject) :
Effect(lpeobject),
linked_item(_("Linked Item:"), _("Item from which to take the original data"), "linked_item", &wr, this),
scale(_("Scale %"), _("Scale item %"), "scale", &wr, this, 100.0),
preserve_position(_("Preserve position"), _("Preserve position"), "preserve_position", &wr, this, false),
attributes("Attributes linked", "Attributes linked", "attributes", &wr, this,""),
style_attributes("Style attributes linked", "Style attributes linked", "style_attributes", &wr, this,"")
{
registerParameter(&linked_item);
registerParameter(&scale);
registerParameter(&attributes);
registerParameter(&style_attributes);
registerParameter(&preserve_position);
scale.param_set_range(0.01, 999999.0);
scale.param_set_increments(1, 1);
scale.param_set_digits(2);
attributes.param_hide_canvas_text();
style_attributes.param_hide_canvas_text();
apply_to_clippath_and_mask = true;
}
void
LPECloneOriginal::cloneAttrbutes(SPObject *origin, SPObject *dest, bool live, const char * first_attribute, ...)
{
va_list args;
va_start(args, first_attribute);
SPDocument * document = SP_ACTIVE_DOCUMENT;
if ( SP_IS_GROUP(origin) && SP_IS_GROUP(dest) && SP_GROUP(origin)->getItemCount() == SP_GROUP(dest)->getItemCount() ) {
std::vector< SPObject * > childs = origin->childList(true);
size_t index = 0;
for (std::vector<SPObject * >::iterator obj_it = childs.begin();
obj_it != childs.end(); ++obj_it) {
SPObject *dest_child = dest->nthChild(index);
cloneAttrbutes(*obj_it, dest_child, live, first_attribute, args);
index++;
}
}
SPShape * shape_origin = SP_SHAPE(origin);
SPShape * shape_dest = SP_SHAPE(dest);
for (const char* att = first_attribute; att != NULL; att = va_arg(args, const char*)) {
std::vector<std::string> elems;
boost::split(elems, att, boost::is_any_of(","));
for (std::vector<std::string>::const_iterator atts = elems.begin();
atts != elems.end(); ++atts) {
const char* attribute = (*atts).c_str();
if ( std::strcmp(attribute, "transform") == 0 ) {
Geom::Affine affine_dest = SP_ITEM(dest)->transform;
dest->getRepr()->setAttribute(attribute, origin->getRepr()->attribute(attribute));
Geom::Affine affine_origin = Geom::identity();
sp_svg_transform_read(SP_ITEM(origin)->getAttribute("transform"), &affine_origin);
if (preserve_position) {
SP_ITEM(dest)->transform = Geom::Translate(affine_dest.translation()) * Geom::Translate(affine_origin.translation()).inverse() * affine_origin ;
}
} else if ( shape_dest && shape_origin && live && (std::strcmp(attribute, "d") == 0 || std::strcmp(attribute, "inkscape:original-d") == 0)) {
SPCurve *c = NULL;
if (std::strcmp(attribute, "d") == 0) {
c = shape_origin->getCurve();
} else {
c = shape_origin->getCurveBeforeLPE();
}
if (c) {
Geom::PathVector c_pv = c->get_pathvector();
Geom::OptRect orig_bbox = SP_ITEM(origin)->geometricBounds();
if (orig_bbox) {
if (preserve_position) {
c_pv *= Geom::Translate(Geom::Point(boundingbox_X.min(), boundingbox_Y.min()) - (*orig_bbox).corner(0));
}
if (scale != 100.0) {
double scale_affine = scale/100.0;
Geom::Affine scale = Geom::Affine(Geom::Scale(scale_affine));
c_pv *= Geom::Translate((*orig_bbox).corner(0)).inverse() * scale * Geom::Translate((*orig_bbox).corner(0));
}
}
c->set_pathvector(c_pv);
shape_dest->setCurveInsync(c, TRUE);
dest->getRepr()->setAttribute(attribute, sp_svg_write_path(c_pv));
c->unref();
} else {
dest->getRepr()->setAttribute(attribute, NULL);
}
} else {
dest->getRepr()->setAttribute(attribute, origin->getRepr()->attribute(attribute));
}
}
}
va_end(args);
}
void
LPECloneOriginal::cloneStyleAttrbutes(SPObject *origin, SPObject *dest, const char * first_attribute, ...)
{
va_list args;
va_start(args, first_attribute);
if ( SP_IS_GROUP(origin) && SP_IS_GROUP(dest) && SP_GROUP(origin)->getItemCount() == SP_GROUP(dest)->getItemCount() ) {
std::vector< SPObject * > childs = origin->childList(true);
size_t index = 0;
for (std::vector<SPObject * >::iterator obj_it = childs.begin();
obj_it != childs.end(); ++obj_it) {
SPObject *dest_child = dest->nthChild(index);
cloneStyleAttrbutes(*obj_it, dest_child, first_attribute, args);
index++;
}
}
SPCSSAttr *css_origin = sp_repr_css_attr_new();
sp_repr_css_attr_add_from_string(css_origin, origin->getRepr()->attribute("style"));
SPCSSAttr *css_dest = sp_repr_css_attr_new();
sp_repr_css_attr_add_from_string(css_dest, dest->getRepr()->attribute("style"));
for (const char* att = first_attribute; att != NULL; att = va_arg(args, const char*)) {
std::vector<std::string> elems;
boost::split(elems, att, boost::is_any_of(","));
for (std::vector<std::string>::const_iterator atts = elems.begin();
atts != elems.end(); ++atts) {
const char* attribute = (*atts).c_str();
const char* origin_attribute = sp_repr_css_property(css_origin, attribute, "");
if (origin_attribute == "") {
sp_repr_css_set_property (css_dest, attribute, NULL);
} else {
sp_repr_css_set_property (css_dest, attribute, origin_attribute);
}
}
Glib::ustring css_str;
sp_repr_css_write_string(css_dest,css_str);
dest->getRepr()->setAttribute("style", css_str.c_str());
}
va_end(args);
}
void
LPECloneOriginal::doBeforeEffect (SPLPEItem const* lpeitem){
original_bbox(lpeitem);
if (linked_item.linksToItem() && sp_lpe_item) {
cloneAttrbutes(linked_item.getObject(), SP_OBJECT(sp_lpe_item), true, attributes.param_getSVGValue(), NULL); //NULL required
cloneStyleAttrbutes(linked_item.getObject(), SP_OBJECT(sp_lpe_item), style_attributes.param_getSVGValue(), NULL); //NULL required
SPShape * shape = dynamic_cast<SPShape *>(sp_lpe_item);
if(shape){
this->setSPCurve(shape->getCurve());
}
}
}
void
LPECloneOriginal::doOnApply(SPLPEItem const* lpeitem){
Glib::ustring attributes_value("d,transform");
attributes.param_setValue(attributes_value);
attributes.write_to_SVG();
Glib::ustring style_attributes_value("opacity,border-width");
style_attributes.param_setValue(style_attributes_value);
style_attributes.write_to_SVG();
}
void
LPECloneOriginal::doAfterEffect (SPLPEItem const* lpeitem){
}
LPECloneOriginal::~LPECloneOriginal()
{
}
void LPECloneOriginal::doEffect (SPCurve * curve)
{
// std::vector<std::string> elems;
// const char * attrs = attributes.param_getSVGValue();
// boost::split(elems, attrs, boost::is_any_of(","));
// bool has_d = false;
// for (std::vector<std::string>::const_iterator atts = elems.begin();
// atts != elems.end(); ++atts) {
// const char* attribute = (*atts).c_str();
// if (std::strcmp(attribute, "d") == 0) {
// has_d = true;
// }
// }
// if (linked_item.linksToItem() && has_d) {
// curve->reset();
// }
curve->set_pathvector(pathvector_before_effect);
}
} // namespace LivePathEffect
} /* namespace Inkscape */
/*
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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