effect.cpp revision f4db63be4e929f4706410914295deccaceea19cd
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm * Released under GNU GPL, read the file 'COPYING' for more information
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm// include effects:
e54ce05030e6aab675331e18f46f029f55ed1bf0cilix// end of includes
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrmconst Util::EnumData<EffectType> LPETypeData[INVALID_LPE] = {
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm // {constant defined in effect.h, N_("name of your effect"), "name of your effect in SVG"}
8c39cbeab9949a0a7d6ae66b768a7352019e42f8johanengelen {PATTERN_ALONG_PATH, N_("Pattern Along Path"), "skeletal"}, // for historic reasons, this effect is called skeletal(strokes) in Inkscape:SVG
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm {DOEFFECTSTACK_TEST, N_("doEffect stack test"), "doeffectstacktest"},
8d9f5d586a04809427ce1df284a5720112177991cilix {CURVE_STITCH, N_("Stitch Sub-Paths"), "curvestitching"},
8d9f5d586a04809427ce1df284a5720112177991cilix {CIRCLE_WITH_RADIUS, N_("Circle (center+radius)"), "circle_with_radius"},
70eb1fc448cb08acf3468f80fa2296c03b32afd2cilix {PERSPECTIVE_PATH, N_("Perspective path"), "perspective_path"},
0cc5b8d2f7b87c4222ee3662071bef1cb1f22b06bgk {CONSTRUCT_GRID, N_("Construct grid"), "construct_grid"},
f4db63be4e929f4706410914295deccaceea19cdcilix {PERP_BISECTOR, N_("Perpendicular bisector"), "perp_bisector"},
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrmconst Util::EnumDataConverter<EffectType> LPETypeConverter(LPETypeData, INVALID_LPE);
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrmEffect::New(EffectType lpenr, LivePathEffectObject *lpeobj)
92fe3142613d000eff89db8a983b3b18b14eee79johanengelen neweffect = static_cast<Effect*> ( new LPEPatternAlongPath(lpeobj) );
92fe3142613d000eff89db8a983b3b18b14eee79johanengelen neweffect = static_cast<Effect*> ( new LPEBendPath(lpeobj) );
92fe3142613d000eff89db8a983b3b18b14eee79johanengelen neweffect = static_cast<Effect*> ( new LPESketch(lpeobj) );
92fe3142613d000eff89db8a983b3b18b14eee79johanengelen neweffect = static_cast<Effect*> ( new LPEVonKoch(lpeobj) );
92fe3142613d000eff89db8a983b3b18b14eee79johanengelen neweffect = static_cast<Effect*> ( new LPEKnot(lpeobj) );
92fe3142613d000eff89db8a983b3b18b14eee79johanengelen neweffect = static_cast<Effect*> ( new LPEdoEffectStackTest(lpeobj) );
92fe3142613d000eff89db8a983b3b18b14eee79johanengelen neweffect = static_cast<Effect*> ( new LPEGears(lpeobj) );
92fe3142613d000eff89db8a983b3b18b14eee79johanengelen neweffect = static_cast<Effect*> ( new LPECurveStitch(lpeobj) );
92fe3142613d000eff89db8a983b3b18b14eee79johanengelen neweffect = static_cast<Effect*> ( new LPECircleWithRadius(lpeobj) );
92fe3142613d000eff89db8a983b3b18b14eee79johanengelen neweffect = static_cast<Effect*> ( new LPEPerspectivePath(lpeobj) );
c169f6cddd2da06cfb761339f445bbd8866f72a8buliabyak neweffect = static_cast<Effect*> ( new LPESpiro(lpeobj) );
6f4a90e526af850ffc36064f58f09c190f3b633fjohanengelen neweffect = static_cast<Effect*> ( new LPEConstructGrid(lpeobj) );
0cc5b8d2f7b87c4222ee3662071bef1cb1f22b06bgk neweffect = static_cast<Effect*> ( new LPEEnvelope(lpeobj) );
f4db63be4e929f4706410914295deccaceea19cdcilix neweffect = static_cast<Effect*> ( new LPEPerpBisector(lpeobj) );
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm g_warning("LivePathEffect::Effect::New called with invalid patheffect type (%d)", lpenr);
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm if (lpeobj->effecttype_set && lpeobj->effecttype < INVALID_LPE)
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm return Glib::ustring( _(LPETypeConverter.get_label(lpeobj->effecttype).c_str()) );
23d859f2ce09c04ed802cb4912cc9c50f512f0a2bgk //Do nothing for simple effects
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm * Here be the doEffect function chain:
5209a05743e62584a7ec6afe050ffb0223f899f8johanengelen NArtBpath *new_bpath = doEffect_nartbpath(curve->get_bpath());
5209a05743e62584a7ec6afe050ffb0223f899f8johanengelenEffect::doEffect_nartbpath (NArtBpath const * path_in)
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm std::vector<Geom::Path> orig_pathv = BPath_to_2GeomPath(path_in);
5675f17bbbc00f2c970b4d4966ce55d86775f7a6johanengelen std::vector<Geom::Path> result_pathv = doEffect_path(orig_pathv);
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm NArtBpath *new_bpath = BPath_from_2GeomPath(result_pathv);
feb44ad276e996ca244e071f936c61b009bd73f4johanengelen g_warning("Exception during LPE %s execution. \n %s", getName().c_str(), e.what());
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm SP_ACTIVE_DESKTOP->messageStack()->flash( Inkscape::WARNING_MESSAGE,
feb44ad276e996ca244e071f936c61b009bd73f4johanengelen _("An exception occurred during execution of the Path Effect.") );
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm unsigned ret = 0;
ecda720053ff791e35dae3c5c1177bc225b6cdf1johanengelenEffect::doEffect_path (std::vector<Geom::Path> const & path_in)
46c4893a7458eda6edcd064121bc000634af7a09johanengelen // default behavior
46c4893a7458eda6edcd064121bc000634af7a09johanengelen for (unsigned int i=0; i < path_in.size(); i++) {
46c4893a7458eda6edcd064121bc000634af7a09johanengelen Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_in = path_in[i].toPwSb();
46c4893a7458eda6edcd064121bc000634af7a09johanengelen Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_out = doEffect_pwd2(pwd2_in);
46c4893a7458eda6edcd064121bc000634af7a09johanengelen std::vector<Geom::Path> path = Geom::path_from_piecewise( pwd2_out, LPE_CONVERSION_TOLERANCE);
46c4893a7458eda6edcd064121bc000634af7a09johanengelen // add the output path vector to the already accumulated vector:
46c4893a7458eda6edcd064121bc000634af7a09johanengelen // concatenate the path into possibly discontinuous pwd2
46c4893a7458eda6edcd064121bc000634af7a09johanengelen Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_in;
46c4893a7458eda6edcd064121bc000634af7a09johanengelen for (unsigned int i=0; i < path_in.size(); i++) {
46c4893a7458eda6edcd064121bc000634af7a09johanengelen Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_out = doEffect_pwd2(pwd2_in);
46c4893a7458eda6edcd064121bc000634af7a09johanengelen path_out = Geom::path_from_piecewise( pwd2_out, LPE_CONVERSION_TOLERANCE);
ecda720053ff791e35dae3c5c1177bc225b6cdf1johanengelenEffect::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in)
93bb287e28a818fd5ba61b99d012e0500a49ccf6johanengelen std::vector<Parameter *>::iterator it = param_vector.begin();
93bb287e28a818fd5ba61b99d012e0500a49ccf6johanengelen bool accepted = param->param_readSVGValue(value);
93bb287e28a818fd5ba61b99d012e0500a49ccf6johanengelen g_warning("Effect::readallParameters - '%s' not accepted for %s", value, key);
93bb287e28a818fd5ba61b99d012e0500a49ccf6johanengelen // set default value
0fc5ce7045233dae7e15fdc86774370f1b1d73cbjohanengelen/* This function does not and SHOULD NOT write to XML */
0fc5ce7045233dae7e15fdc86774370f1b1d73cbjohanengelenEffect::setParameter(const gchar * key, const gchar * new_value)
93bb287e28a818fd5ba61b99d012e0500a49ccf6johanengelen bool accepted = param->param_readSVGValue(new_value);
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm g_warning("Effect::setParameter - '%s' not accepted for %s", new_value, key);
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm // set default value
c0cd5511d3b975ebe07d019c1f5528108725e438johanengelen* This *creates* a new widget, management of deletion should be done by the caller
c0cd5511d3b975ebe07d019c1f5528108725e438johanengelen // use manage here, because after deletion of Effect object, others might still be pointing to this widget.
c0cd5511d3b975ebe07d019c1f5528108725e438johanengelen Gtk::VBox * vbox = Gtk::manage( new Gtk::VBox() );
c0cd5511d3b975ebe07d019c1f5528108725e438johanengelen std::vector<Parameter *>::iterator it = param_vector.begin();
c0cd5511d3b975ebe07d019c1f5528108725e438johanengelen Gtk::Widget * widg = param->param_newWidget(tooltips);
c0cd5511d3b975ebe07d019c1f5528108725e438johanengelen Glib::ustring * tip = param->param_getTooltip();
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm if (SP_OBJECT_DOCUMENT(lpeobj) == NULL) g_message("Effect::getSPDoc() returns NULL");
93bb287e28a818fd5ba61b99d012e0500a49ccf6johanengelen std::vector<Parameter *>::iterator it = param_vector.begin();
af8d25189f88abf89cdbe0e180e271c94079624fbuliabyak if (oncanvasedit_it >= static_cast<int>(param_vector.size())) {
a0334366488989ef25fb812d7030d298c0917c96johanengelen Parameter * param = param_vector[oncanvasedit_it];
f9504c822b72a774b910958446fd1e730235b7cbjoncruz if (oncanvasedit_it == static_cast<int>(param_vector.size())) { // loop round the map
fb5a72174252e0e79107dcad3bf5a2bbd73e349cjohanengelen } while (oncanvasedit_it != old_it); // iterate until complete loop through map has been made
fb5a72174252e0e79107dcad3bf5a2bbd73e349cjohanengelenEffect::editNextParamOncanvas(SPItem * item, SPDesktop * desktop)
fb5a72174252e0e79107dcad3bf5a2bbd73e349cjohanengelen if (!desktop) return;
fb5a72174252e0e79107dcad3bf5a2bbd73e349cjohanengelen Parameter * param = getNextOncanvasEditableParam();
fb5a72174252e0e79107dcad3bf5a2bbd73e349cjohanengelen gchar *message = g_strdup_printf(_("Editing parameter <b>%s</b>."), param->param_label.c_str());
fb5a72174252e0e79107dcad3bf5a2bbd73e349cjohanengelen desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, message);
fb5a72174252e0e79107dcad3bf5a2bbd73e349cjohanengelen desktop->messageStack()->flash( Inkscape::WARNING_MESSAGE,
fb5a72174252e0e79107dcad3bf5a2bbd73e349cjohanengelen _("None of the applied path effect's parameters can be edited on-canvas.") );
42e99769805c14a5cc01c805faa3c3b03f9dd1c0johanengelen/* This function should reset the defaults and is used for example to initialize an effect right after it has been applied to a path
42e99769805c14a5cc01c805faa3c3b03f9dd1c0johanengelen* The nice thing about this is that this function can use knowledge of the original path and set things accordingly for example to the size or origin of the original path!
42e99769805c14a5cc01c805faa3c3b03f9dd1c0johanengelen // do nothing for simple effects
a797dcb8e284cab19f60b3eff93a53a62abda263johanengelenEffect::setup_nodepath(Inkscape::NodePath::Path *np)
ddc251b3cf95b0097b6a5ee39ea132bd4d7d5cbcjohanengelenEffect::transform_multiply(Geom::Matrix const& postmul, bool set)
ddc251b3cf95b0097b6a5ee39ea132bd4d7d5cbcjohanengelen // cycle through all parameters. Most parameters will not need transformation, but path and point params do.
ddc251b3cf95b0097b6a5ee39ea132bd4d7d5cbcjohanengelen for (std::vector<Parameter *>::iterator it = param_vector.begin(); it != param_vector.end(); it++) {
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm} /* namespace LivePathEffect */
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm} /* namespace Inkscape */
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm Local Variables:
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm c-file-style:"stroustrup"
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm indent-tabs-mode:nil
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm fill-column:99
f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :