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#define INKSCAPE_LIVEPATHEFFECT_CPP
/*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "display/display-forward.h"
#include "xml/node-event-vector.h"
#include "sp-object.h"
#include "attributes.h"
#include "desktop.h"
#include "document.h"
#include <glibmm/i18n.h>
#include "live_effects/effect.h"
#include "live_effects/lpeobject.h"
#include "live_effects/parameter/parameter.h"
#include <glibmm/ustring.h>
#include "live_effects/n-art-bpath-2geom.h"
#include "display/curve.h"
#include <2geom/sbasis-to-bezier.h>
#include <gtkmm.h>
// include effects:
#include "live_effects/lpe-skeletalstrokes.h"
#include "live_effects/lpe-slant.h"
#include "live_effects/lpe-test-doEffect-stack.h"
#include "live_effects/lpe-gears.h"
namespace Inkscape {
namespace LivePathEffect {
const Util::EnumData<EffectType> LPETypeData[ENDTYPE_LPE] = {
{INVALID_LPE, _("Invalid effect"), "invalid"},
{SKELETAL_STROKES, _("Skeletal Strokes"), "skeletal"},
{SLANT, _("Slant"), "slant"},
{DOEFFECTSTACK_TEST, _("doEffect stack test"), "doeffectstacktest"},
{GEARS, _("Gears"), "gears"}
};
const Util::EnumDataConverter<EffectType> LPETypeConverter(LPETypeData, ENDTYPE_LPE);
Effect*
Effect::New(EffectType lpenr, LivePathEffectObject *lpeobj)
{
switch (lpenr) {
case INVALID_LPE:
g_warning("LivePathEffect::Effect::New called with invalid patheffect type");
return NULL;
case SKELETAL_STROKES:
return (Effect*) new LPESkeletalStrokes(lpeobj);
case SLANT:
return (Effect*) new LPESlant(lpeobj);
case DOEFFECTSTACK_TEST:
return (Effect*) new LPEdoEffectStackTest(lpeobj);
case GEARS:
return (Effect*) new LPEGears(lpeobj);
case ENDTYPE_LPE:
return NULL;
}
return NULL;
}
Effect::Effect(LivePathEffectObject *lpeobject)
{
vbox = NULL;
tooltips = NULL;
lpeobj = lpeobject;
}
Effect::~Effect()
{
if (tooltips) {
delete tooltips;
}
}
Glib::ustring
Effect::getName()
{
return Glib::ustring( LPETypeConverter.get_label(lpeobj->effecttype) );
}
/*
* Here be the doEffect function chain:
*/
void
Effect::doEffect (SPCurve * curve)
{
NArtBpath *new_bpath = doEffect(SP_CURVE_BPATH(curve));
if (new_bpath) { // FIXME, add function to SPCurve to change bpath? or a copy function?
if (curve->_bpath) {
g_free(curve->_bpath); //delete old bpath
}
curve->_bpath = new_bpath;
}
}
NArtBpath *
Effect::doEffect (NArtBpath * path_in)
{
std::vector<Geom::Path> orig_pathv = BPath_to_2GeomPath(path_in);
std::vector<Geom::Path> result_pathv = doEffect(orig_pathv);
NArtBpath *new_bpath = BPath_from_2GeomPath(result_pathv);
return new_bpath;
}
std::vector<Geom::Path>
Effect::doEffect (std::vector<Geom::Path> & path_in)
{
Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_in;
// FIXME: find standard function to convert std::vector<Geom::Path> ==> Piecewise< D2<SBasis> >
for (unsigned int i=0; i < path_in.size(); i++) {
pwd2_in.concat( path_in[i].toPwSb() );
}
Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_out = doEffect(pwd2_in);
std::vector<Geom::Path> path_out = Geom::path_from_piecewise( pwd2_out, LPE_CONVERSION_TOLERANCE);
return path_out;
}
Geom::Piecewise<Geom::D2<Geom::SBasis> >
Effect::doEffect (Geom::Piecewise<Geom::D2<Geom::SBasis> > & pwd2_in)
{
g_warning("Effect has no doEffect implementation");
return pwd2_in;
}
void
Effect::readallParameters(Inkscape::XML::Node * repr)
{
param_map_type::iterator it = param_map.begin();
while (it != param_map.end()) {
const gchar * key = (*it).first.c_str();
const gchar * value = repr->attribute(key);
if(value) {
setParameter(repr, key, NULL, value);
}
it++;
}
}
void
Effect::setParameter(Inkscape::XML::Node * repr, const gchar * key, const gchar * old_value, const gchar * new_value)
{
Glib::ustring stringkey(key);
param_map_type::iterator it = param_map.find(stringkey);
if (it != param_map.end()) {
bool accepted = it->second->param_readSVGValue(new_value);
/* think: can this backfire and create infinite loop when started with unacceptable old_value?
if (!accepted) { // change was not accepted, so change it back.
repr->setAttribute(key, old_value);
} */
}
}
void
Effect::registerParameter(Parameter * param)
{
param_map[param->param_key] = param; // inserts or updates
}
Gtk::Widget *
Effect::getWidget()
{
if (!vbox) {
vbox = Gtk::manage( new Gtk::VBox() ); // use manage here, because after deletion of Effect object, others might still be pointing to this widget.
//if (!tooltips)
tooltips = new Gtk::Tooltips();
vbox->set_border_width(5);
param_map_type::iterator it = param_map.begin();
while (it != param_map.end()) {
Parameter * param = it->second;
Gtk::Widget * widg = param->param_getWidget();
Glib::ustring * tip = param->param_getTooltip();
if (widg) {
vbox->pack_start(*widg, true, true, 2);
if (tip != NULL) {
tooltips->set_tip(*widg, *tip);
}
}
it++;
}
}
return dynamic_cast<Gtk::Widget *>(vbox);
}
Inkscape::XML::Node *
Effect::getRepr()
{
return SP_OBJECT_REPR(lpeobj);
}
SPDocument *
Effect::getSPDoc()
{
if (SP_OBJECT_DOCUMENT(lpeobj) == NULL) g_message("oh crap");
return SP_OBJECT_DOCUMENT(lpeobj);
}
}; /* 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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