diff options
Diffstat (limited to 'src/live_effects/effect.cpp')
| -rw-r--r-- | src/live_effects/effect.cpp | 560 |
1 files changed, 280 insertions, 280 deletions
diff --git a/src/live_effects/effect.cpp b/src/live_effects/effect.cpp index 0773363dd..1c0f5318f 100644 --- a/src/live_effects/effect.cpp +++ b/src/live_effects/effect.cpp @@ -1,280 +1,280 @@ -#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 "message-stack.h"
-#include "desktop.h"
-#include "inkscape.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 <exception>
-
-// 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"
-#include "live_effects/lpe-curvestitch.h"
-
-namespace Inkscape {
-
-namespace LivePathEffect {
-
-const Util::EnumData<EffectType> LPETypeData[INVALID_LPE] = {
- // {constant defined in effect.h, N_("name of your effect"), "name of your effect in SVG"}
- {SKELETAL_STROKES, N_("Path along path"), "skeletal"},
-#ifdef LPE_ENABLE_TEST_EFFECTS
- {SLANT, N_("Slant"), "slant"},
- {DOEFFECTSTACK_TEST, N_("doEffect stack test"), "doeffectstacktest"},
-#endif
- {GEARS, N_("Gears"), "gears"},
- {CURVE_STITCH, N_("Curve stitching"), "curvestitching"},
-};
-const Util::EnumDataConverter<EffectType> LPETypeConverter(LPETypeData, INVALID_LPE);
-
-Effect*
-Effect::New(EffectType lpenr, LivePathEffectObject *lpeobj)
-{
- Effect* neweffect = NULL;
- switch (lpenr) {
- case SKELETAL_STROKES:
- neweffect = (Effect*) new LPESkeletalStrokes(lpeobj);
- break;
-#ifdef LPE_ENABLE_TEST_EFFECTS
- case SLANT:
- neweffect = (Effect*) new LPESlant(lpeobj);
- break;
- case DOEFFECTSTACK_TEST:
- neweffect = (Effect*) new LPEdoEffectStackTest(lpeobj);
- break;
-#endif
- case GEARS:
- neweffect = (Effect*) new LPEGears(lpeobj);
- break;
- case CURVE_STITCH:
- neweffect = (Effect*) new LPECurveStitch(lpeobj);
- break;
- default:
- g_warning("LivePathEffect::Effect::New called with invalid patheffect type (%d)", lpenr);
- neweffect = NULL;
- break;
- }
-
- if (neweffect) {
- neweffect->readallParameters(SP_OBJECT_REPR(lpeobj));
- }
-
- return neweffect;
-}
-
-Effect::Effect(LivePathEffectObject *lpeobject)
-{
- vbox = NULL;
- tooltips = NULL;
- lpeobj = lpeobject;
-}
-
-Effect::~Effect()
-{
- if (tooltips) {
- delete tooltips;
- }
-}
-
-Glib::ustring
-Effect::getName()
-{
- if (lpeobj->effecttype_set && lpeobj->effecttype < INVALID_LPE)
- return Glib::ustring( _(LPETypeConverter.get_label(lpeobj->effecttype).c_str()) );
- else
- return Glib::ustring( _("No effect") );
-}
-
-/*
- * Here be the doEffect function chain:
- */
-void
-Effect::doEffect (SPCurve * curve)
-{
- NArtBpath *new_bpath = doEffect(SP_CURVE_BPATH(curve));
-
- if (new_bpath && new_bpath != SP_CURVE_BPATH(curve)) { // 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)
-{
- try {
- 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;
- }
- catch (std::exception e) {
- g_warning("An exception occurred during execution of an LPE - %s", e.what());
- SP_ACTIVE_DESKTOP->messageStack()->flash( Inkscape::WARNING_MESSAGE,
- _("An exception occurred during execution of a Path Effect.") );
-
- NArtBpath *path_out;
-
- unsigned ret = 0;
- while ( path_in[ret].code != NR_END ) {
- ++ret;
- }
- unsigned len = ++ret;
-
- path_out = g_new(NArtBpath, len);
- memcpy(path_out, path_in, len * sizeof(NArtBpath));
- return path_out;
- }
-}
-
-std::vector<Geom::Path>
-Effect::doEffect (std::vector<Geom::Path> & path_in)
-{
- Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_in;
-
- 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()) {
- if (new_value) {
- bool accepted = it->second->param_readSVGValue(new_value);
- if (!accepted) {
- g_warning("Effect::setParameter - '%s' not accepted for %s", new_value, key);
- // change was not accepted, so change it back.
- // think: can this backfire and create infinite loop when started with unacceptable old_value?
- // repr->setAttribute(key, old_value);
- }
- } else {
- // set default value
- it->second->param_set_default();
- }
- }
-}
-
-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("Effect::getSPDoc() returns NULL");
- 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 :
+#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 "message-stack.h" +#include "desktop.h" +#include "inkscape.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 <exception> + +// 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" +#include "live_effects/lpe-curvestitch.h" + +namespace Inkscape { + +namespace LivePathEffect { + +const Util::EnumData<EffectType> LPETypeData[INVALID_LPE] = { + // {constant defined in effect.h, N_("name of your effect"), "name of your effect in SVG"} + {SKELETAL_STROKES, N_("Path along path"), "skeletal"}, +#ifdef LPE_ENABLE_TEST_EFFECTS + {SLANT, N_("Slant"), "slant"}, + {DOEFFECTSTACK_TEST, N_("doEffect stack test"), "doeffectstacktest"}, +#endif + {GEARS, N_("Gears"), "gears"}, + {CURVE_STITCH, N_("Curve stitching"), "curvestitching"}, +}; +const Util::EnumDataConverter<EffectType> LPETypeConverter(LPETypeData, INVALID_LPE); + +Effect* +Effect::New(EffectType lpenr, LivePathEffectObject *lpeobj) +{ + Effect* neweffect = NULL; + switch (lpenr) { + case SKELETAL_STROKES: + neweffect = (Effect*) new LPESkeletalStrokes(lpeobj); + break; +#ifdef LPE_ENABLE_TEST_EFFECTS + case SLANT: + neweffect = (Effect*) new LPESlant(lpeobj); + break; + case DOEFFECTSTACK_TEST: + neweffect = (Effect*) new LPEdoEffectStackTest(lpeobj); + break; +#endif + case GEARS: + neweffect = (Effect*) new LPEGears(lpeobj); + break; + case CURVE_STITCH: + neweffect = (Effect*) new LPECurveStitch(lpeobj); + break; + default: + g_warning("LivePathEffect::Effect::New called with invalid patheffect type (%d)", lpenr); + neweffect = NULL; + break; + } + + if (neweffect) { + neweffect->readallParameters(SP_OBJECT_REPR(lpeobj)); + } + + return neweffect; +} + +Effect::Effect(LivePathEffectObject *lpeobject) +{ + vbox = NULL; + tooltips = NULL; + lpeobj = lpeobject; +} + +Effect::~Effect() +{ + if (tooltips) { + delete tooltips; + } +} + +Glib::ustring +Effect::getName() +{ + if (lpeobj->effecttype_set && lpeobj->effecttype < INVALID_LPE) + return Glib::ustring( _(LPETypeConverter.get_label(lpeobj->effecttype).c_str()) ); + else + return Glib::ustring( _("No effect") ); +} + +/* + * Here be the doEffect function chain: + */ +void +Effect::doEffect (SPCurve * curve) +{ + NArtBpath *new_bpath = doEffect(SP_CURVE_BPATH(curve)); + + if (new_bpath && new_bpath != SP_CURVE_BPATH(curve)) { // 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) +{ + try { + 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; + } + catch (std::exception e) { + g_warning("An exception occurred during execution of an LPE - %s", e.what()); + SP_ACTIVE_DESKTOP->messageStack()->flash( Inkscape::WARNING_MESSAGE, + _("An exception occurred during execution of a Path Effect.") ); + + NArtBpath *path_out; + + unsigned ret = 0; + while ( path_in[ret].code != NR_END ) { + ++ret; + } + unsigned len = ++ret; + + path_out = g_new(NArtBpath, len); + memcpy(path_out, path_in, len * sizeof(NArtBpath)); + return path_out; + } +} + +std::vector<Geom::Path> +Effect::doEffect (std::vector<Geom::Path> & path_in) +{ + Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_in; + + 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()) { + if (new_value) { + bool accepted = it->second->param_readSVGValue(new_value); + if (!accepted) { + g_warning("Effect::setParameter - '%s' not accepted for %s", new_value, key); + // change was not accepted, so change it back. + // think: can this backfire and create infinite loop when started with unacceptable old_value? + // repr->setAttribute(key, old_value); + } + } else { + // set default value + it->second->param_set_default(); + } + } +} + +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("Effect::getSPDoc() returns NULL"); + 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 : |