gchar * sp_svg_write_path(Geom::Path const &p) {
    Inkscape::SVG::PathString str;

    sp_svg_write_path(str, p);

    return g_strdup(str.c_str());
}
예제 #2
0
파일: sp-star.cpp 프로젝트: zanqi/inkscape
Inkscape::XML::Node* SPStar::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) {
    if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
        repr = xml_doc->createElement("svg:path");
    }

    if (flags & SP_OBJECT_WRITE_EXT) {
        repr->setAttribute("sodipodi:type", "star");
        sp_repr_set_int (repr, "sodipodi:sides", this->sides);
        sp_repr_set_svg_double(repr, "sodipodi:cx", this->center[Geom::X]);
        sp_repr_set_svg_double(repr, "sodipodi:cy", this->center[Geom::Y]);
        sp_repr_set_svg_double(repr, "sodipodi:r1", this->r[0]);
        sp_repr_set_svg_double(repr, "sodipodi:r2", this->r[1]);
        sp_repr_set_svg_double(repr, "sodipodi:arg1", this->arg[0]);
        sp_repr_set_svg_double(repr, "sodipodi:arg2", this->arg[1]);
        sp_repr_set_boolean (repr, "inkscape:flatsided", this->flatsided);
        sp_repr_set_svg_double(repr, "inkscape:rounded", this->rounded);
        sp_repr_set_svg_double(repr, "inkscape:randomized", this->randomized);
    }

    this->set_shape();

    char *d = sp_svg_write_path (this->_curve->get_pathvector());
    repr->setAttribute("d", d);
    g_free(d);

    // CPPIFY: see header file
    SPShape::write(xml_doc, repr, flags);

    return repr;
}
예제 #3
0
Inkscape::XML::Node* Box3DSide::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) {
    if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
        // this is where we end up when saving as plain SVG (also in other circumstances?)
        // thus we don' set "sodipodi:type" so that the box is only saved as an ordinary svg:path
        repr = xml_doc->createElement("svg:path");
    }

    if (flags & SP_OBJECT_WRITE_EXT) {
        sp_repr_set_int(repr, "inkscape:box3dsidetype", this->dir1 ^ this->dir2 ^ this->front_or_rear);
    }

    this->set_shape();

    /* Duplicate the path */
    SPCurve const *curve = this->_curve;

    //Nulls might be possible if this called iteratively
    if ( !curve ) {
        return NULL;
    }

    char *d = sp_svg_write_path ( curve->get_pathvector() );
    repr->setAttribute("d", d);
    g_free (d);

    SPPolygon::write(xml_doc, repr, flags);

    return repr;
}
예제 #4
0
static SPRepr *
sp_spiral_write (SPObject *object, SPRepr *repr, guint flags)
{
	SPSpiral *spiral;
	char *d;

	spiral = SP_SPIRAL (object);

	if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
		repr = sp_repr_new ("path");
	}

	if (flags & SP_OBJECT_WRITE_EXT) {
		/* Fixme: we may replace these attributes by
		 * sodipodi:spiral="cx cy exp revo rad arg t0"
		 */
		sp_repr_set_attr (repr, "sodipodi:type", "spiral");
		sp_repr_set_double_attribute (repr, "sodipodi:cx", spiral->cx);
		sp_repr_set_double_attribute (repr, "sodipodi:cy", spiral->cy);
		sp_repr_set_double_attribute (repr, "sodipodi:expansion", spiral->exp);
		sp_repr_set_double_attribute (repr, "sodipodi:revolution", spiral->revo);
		sp_repr_set_double_attribute (repr, "sodipodi:radius", spiral->rad);
		sp_repr_set_double_attribute (repr, "sodipodi:argument", spiral->arg);
		sp_repr_set_double_attribute (repr, "sodipodi:t0", spiral->t0);
	}

	d = sp_svg_write_path (((SPShape *) spiral)->curve->bpath);
	sp_repr_set_attr (repr, "d", d);
	g_free (d);

	if (((SPObjectClass *) (parent_class))->write)
		((SPObjectClass *) (parent_class))->write (object, repr, flags | SP_SHAPE_WRITE_PATH);

	return repr;
}
gchar * sp_svg_write_path(Geom::PathVector const &p) {
    Inkscape::SVG::PathString str;

    for(Geom::PathVector::const_iterator pit = p.begin(); pit != p.end(); ++pit) {
        sp_svg_write_path(str, *pit);
    }

    return g_strdup(str.c_str());
}
예제 #6
0
void
sp_selected_path_reverse(SPDesktop *desktop)
{
    Inkscape::Selection *selection = sp_desktop_selection(desktop);
    GSList *items = (GSList *) selection->itemList();

    if (!items) {
        sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>path(s)</b> to reverse."));
        return;
    }


    // set "busy" cursor
    desktop->setWaitingCursor();

    bool did = false;
    desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Reversing paths..."));

    for (GSList *i = items; i != NULL; i = i->next) {

        if (!SP_IS_PATH(i->data))
            continue;

        did = true;
        SPPath *path = SP_PATH(i->data);

        SPCurve *rcurve = sp_path_get_curve_reference(path)->create_reverse();

        gchar *str = sp_svg_write_path(rcurve->get_pathvector());
        if ( sp_lpe_item_has_path_effect_recursive(SP_LPE_ITEM(path)) ) {
            SP_OBJECT_REPR(path)->setAttribute("inkscape:original-d", str);
        } else {
            SP_OBJECT_REPR(path)->setAttribute("d", str);
        }
        g_free(str);

        rcurve->unref();

        // reverse nodetypes order (Bug #179866)
        gchar *nodetypes = g_strdup(SP_OBJECT_REPR(path)->attribute("sodipodi:nodetypes"));
        if ( nodetypes ) {
            SP_OBJECT_REPR(path)->setAttribute("sodipodi:nodetypes", g_strreverse(nodetypes));
            g_free(nodetypes);
        }
    }

    desktop->clearWaitingCursor();

    if (did) {
        sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_REVERSE,
                         _("Reverse path"));
    } else {
        sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("<b>No paths</b> to reverse in the selection."));
    }
}
예제 #7
0
void
SPLPEItem::apply_to_clippath(SPItem *item)
{
    SPClipPath *clipPath = item->clip_ref->getObject();
    if(clipPath) {
        SPObject * clip_data = clipPath->firstChild();
        SPCurve * clip_curve = NULL;

        if (SP_IS_PATH(clip_data)) {
            clip_curve = SP_PATH(clip_data)->get_original_curve();
        } else if(SP_IS_SHAPE(clip_data)) {
            clip_curve = SP_SHAPE(clip_data)->getCurve();
        } else if(SP_IS_GROUP(clip_data)) {
            apply_to_clip_or_mask_group(SP_ITEM(clip_data), item);
            return;
        }
        if(clip_curve) {
            bool success = false;
            if(SP_IS_GROUP(this)){
                clip_curve->transform(i2anc_affine(SP_GROUP(item), SP_GROUP(this)));
                success = this->performPathEffect(clip_curve);
                clip_curve->transform(i2anc_affine(SP_GROUP(item), SP_GROUP(this)).inverse());
            } else {
                success = this->performPathEffect(clip_curve);
            }
            Inkscape::XML::Node *reprClip = clip_data->getRepr();
            if (success) {
                gchar *str = sp_svg_write_path(clip_curve->get_pathvector());
                reprClip->setAttribute("d", str);
                g_free(str);
            } else {
                // LPE was unsuccesfull. Read the old 'd'-attribute.
                if (gchar const * value = reprClip->attribute("d")) {
                    Geom::PathVector pv = sp_svg_read_pathv(value);
                    SPCurve *oldcurve = new SPCurve(pv);
                    if (oldcurve) {
                        SP_SHAPE(clip_data)->setCurve(oldcurve, TRUE);
                        oldcurve->unref();
                    }
                }
            }
            clip_curve->unref();
        }
    }
    if(SP_IS_GROUP(item)){
        GSList const *item_list = sp_item_group_item_list(SP_GROUP(item));
        for ( GSList const *iter = item_list; iter; iter = iter->next ) {
            SPObject *subitem = static_cast<SPObject *>(iter->data);
            apply_to_clippath(SP_ITEM(subitem));
        }
    }
}
예제 #8
0
/**
 *
 * Writes the path object into a Inkscape::XML::Node
 */
static Inkscape::XML::Node *
sp_path_write(SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
{
    SPShape *shape = (SPShape *) object;

    if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
        repr = xml_doc->createElement("svg:path");
    }

#ifdef PATH_VERBOSE
g_message("sp_path_write writes 'd' attribute");
#endif
    if ( shape->_curve != NULL ) {
        gchar *str = sp_svg_write_path(shape->_curve->get_pathvector());
        repr->setAttribute("d", str);
        g_free(str);
    } else {
        repr->setAttribute("d", NULL);
    }

    if (flags & SP_OBJECT_WRITE_EXT) {
        if ( shape->_curve_before_lpe != NULL ) {
            gchar *str = sp_svg_write_path(shape->_curve_before_lpe->get_pathvector());
            repr->setAttribute("inkscape:original-d", str);
            g_free(str);
        } else {
            repr->setAttribute("inkscape:original-d", NULL);
        }
    }

    SP_PATH(shape)->connEndPair.writeRepr(repr);

    if (((SPObjectClass *)(parent_class))->write) {
        ((SPObjectClass *)(parent_class))->write(object, xml_doc, repr, flags);
    }

    return repr;
}
예제 #9
0
파일: sp-star.cpp 프로젝트: zanqi/inkscape
void SPStar::update_patheffect(bool write) {
    this->set_shape();

    if (write) {
        Inkscape::XML::Node *repr = this->getRepr();

        if ( this->_curve != NULL ) {
            gchar *str = sp_svg_write_path(this->_curve->get_pathvector());
            repr->setAttribute("d", str);
            g_free(str);
        } else {
            repr->setAttribute("d", NULL);
        }
    }

    this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
예제 #10
0
/*
 * set_elliptical_path_attribute:
 *
 * Convert center to endpoint parameterization and set it to repr.
 *
 * See SVG 1.0 Specification W3C Recommendation
 * ``F.6 Ellptical arc implementation notes'' for more detail.
 */
bool SPGenericEllipse::set_elliptical_path_attribute(Inkscape::XML::Node *repr)
{
    // Make sure our pathvector is up to date.
    this->set_shape();

    if (this->getCurve() != NULL) {
        gchar* d = sp_svg_write_path(this->getCurve()->get_pathvector());

        repr->setAttribute("d", d);

        g_free(d);
    } else {
        repr->setAttribute("d", NULL);
    }

    return true;
}
예제 #11
0
static void
sp_path_update_patheffect(SPLPEItem *lpeitem, bool write)
{
    SPShape * const shape = (SPShape *) lpeitem;
    Inkscape::XML::Node *repr = shape->getRepr();

#ifdef PATH_VERBOSE
g_message("sp_path_update_patheffect");
#endif

    if (shape->_curve_before_lpe && sp_lpe_item_has_path_effect_recursive(lpeitem)) {
        SPCurve *curve = shape->_curve_before_lpe->copy();
        /* if a path has an lpeitem applied, then reset the curve to the _curve_before_lpe.
         * This is very important for LPEs to work properly! (the bbox might be recalculated depending on the curve in shape)*/
        shape->setCurveInsync(curve, TRUE);

        bool success = sp_lpe_item_perform_path_effect(SP_LPE_ITEM(shape), curve);
        if (success && write) {
            // could also do shape->getRepr()->updateRepr();  but only the d attribute needs updating.
#ifdef PATH_VERBOSE
g_message("sp_path_update_patheffect writes 'd' attribute");
#endif
            if ( shape->_curve != NULL ) {
                gchar *str = sp_svg_write_path(shape->_curve->get_pathvector());
                repr->setAttribute("d", str);
                g_free(str);
            } else {
                repr->setAttribute("d", NULL);
            }
        } else if (!success) {
            // LPE was unsuccesfull. Read the old 'd'-attribute.
            if (gchar const * value = repr->attribute("d")) {
                Geom::PathVector pv = sp_svg_read_pathv(value);
                SPCurve *oldcurve = new SPCurve(pv);
                if (oldcurve) {
                    shape->setCurve(oldcurve, TRUE);
                    oldcurve->unref();
                }
            }
        }
        shape->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
        curve->unref();
    }
}
예제 #12
0
/**
 * Writes the given transform into the repr for the given item.
 */
static void
sp_path_write_transform (SPItem *item, SPRepr *repr, NRMatrixF *transform)
{
	SPPath *path;
	SPShape *shape;
	NRBPath dpath, spath;
	double ex;
	gchar *svgpath;
	SPStyle *style;

	path = (SPPath *) item;
	shape = (SPShape *) item;

	/* Calculate the DF */
	ex = NR_MATRIX_DF_EXPANSION (transform);

	/* Take the path for the shape, write it as an svgpath, and add it to the repr */
	spath.path = shape->curve->bpath;
	nr_path_duplicate_transform (&dpath, &spath, transform);
	svgpath = sp_svg_write_path (dpath.path);
	sp_repr_set_attr (repr, "d", svgpath);
	g_free (svgpath);
	nr_free (dpath.path);

	/* Wrte the style info into the repr */
	style = SP_OBJECT_STYLE (item);
	if (style->stroke.type != SP_PAINT_TYPE_NONE) {
		if (!NR_DF_TEST_CLOSE (ex, 1.0, NR_EPSILON_D)) {
			gchar *str;
			/* Scale changed, so we have to adjust stroke width */
			style->stroke_width.computed *= ex;
			if (style->stroke_dash.n_dash != 0) {
				int i;
				for (i = 0; i < style->stroke_dash.n_dash; i++) style->stroke_dash.dash[i] *= ex;
				style->stroke_dash.offset *= ex;
			}
			str = sp_style_write_difference (style, SP_OBJECT_STYLE (SP_OBJECT_PARENT (item)));
			sp_repr_set_attr (repr, "style", str);
			g_free (str);
		}
	}
	sp_repr_set_attr (repr, "transform", NULL);
}
예제 #13
0
/**
 *
 * Writes the path object into a SPRepr
 */
static SPRepr *
sp_path_write (SPObject *object, SPRepr *repr, guint flags)
{
	SPShape *shape;
	ArtBpath *abp;
	gchar *str;

	shape = (SPShape *) object;

	if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
		repr = sp_repr_new ("path");
	}

	abp = sp_curve_first_bpath (shape->curve);
	str = sp_svg_write_path (abp);
	sp_repr_set_attr (repr, "d", str);
	g_free (str);

	if (((SPObjectClass *) (parent_class))->write) {
		((SPObjectClass *) (parent_class))->write (object, repr, flags);
	}

	return repr;
}
예제 #14
0
static void
spdc_flush_white (SPDrawContext *dc, SPCurve *gc)
{
	SPCurve *c;

	if (dc->white_curves) {
		g_assert (dc->white_item);
		c = sp_curve_concat (dc->white_curves);
		g_slist_free (dc->white_curves);
		dc->white_curves = NULL;
		if (gc) {
			sp_curve_append (c, gc, FALSE);
		}
	} else if (gc) {
		c = gc;
		sp_curve_ref (c);
	} else {
		return;
	}

	/* Now we have to go back to item coordinates at last */
	if (dc->white_item) {
		NRMatrixD d2itemd;
		sp_item_dt2i_affine_d (dc->white_item, SP_EVENT_CONTEXT_DESKTOP (dc), &d2itemd);
		c = sp_curve_transform (c, NR_MATRIX_D_TO_DOUBLE (&d2itemd));
	} else {
		gdouble d2item[6];
		sp_desktop_dt2root_affine (SP_EVENT_CONTEXT_DESKTOP (dc), (NRMatrixD *) d2item);
		c = sp_curve_transform (c, d2item);
	}

	if (c && !sp_curve_empty (c)) {
		SPDesktop *dt;
		SPDocument *doc;
		SPRepr *repr;
		gchar *str;

		/* We actually have something to write */

		dt = SP_EVENT_CONTEXT_DESKTOP (dc);
		doc = SP_DT_DOCUMENT (dt);

		if (dc->white_item) {
			repr = SP_OBJECT_REPR (dc->white_item);
		} else {
			SPRepr *style;
			repr = sp_repr_new ("path");
			/* fixme: Pen and pencil need separate style (Lauris) */
			style = inkscape_get_repr (INKSCAPE, "tools.freehand");
			if (style) {
				SPCSSAttr *css;
				css = sp_repr_css_attr_inherited (style, "style");
				sp_repr_css_set (repr, css, "style");
				sp_repr_css_attr_unref (css);
			}
		}

		str = sp_svg_write_path (SP_CURVE_BPATH (c));
		g_assert (str != NULL);
		sp_repr_set_attr (repr, "d", str);
		g_free (str);

		if (!dc->white_item) {
			/* Attach repr */
			sp_document_add_repr (SP_DT_DOCUMENT (dt), repr);
			sp_selection_set_repr (dc->selection, repr);
			sp_repr_unref (repr);
		}

		sp_document_done (doc);
	}

	sp_curve_unref (c);

	/* Flush pending updates */
	sp_document_ensure_up_to_date (SP_DT_DOCUMENT (SP_EVENT_CONTEXT_DESKTOP (dc)));
}
예제 #15
0
Inkscape::XML::Node *
sp_selected_item_to_curved_repr(SPItem *item, guint32 /*text_grouping_policy*/)
{
    if (!item)
        return NULL;

    Inkscape::XML::Document *xml_doc = SP_OBJECT_REPR(item)->document();

    if (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item)) {
        // Special treatment for text: convert each glyph to separate path, then group the paths
        Inkscape::XML::Node *g_repr = xml_doc->createElement("svg:g");
        g_repr->setAttribute("transform", SP_OBJECT_REPR(item)->attribute("transform"));
        /* Mask */
        gchar *mask_str = (gchar *) SP_OBJECT_REPR(item)->attribute("mask");
        if ( mask_str )
            g_repr->setAttribute("mask", mask_str);
        /* Clip path */
        gchar *clip_path_str = (gchar *) SP_OBJECT_REPR(item)->attribute("clip-path");
        if ( clip_path_str )
            g_repr->setAttribute("clip-path", clip_path_str);
        /* Rotation center */
        g_repr->setAttribute("inkscape:transform-center-x", SP_OBJECT_REPR(item)->attribute("inkscape:transform-center-x"), false);
        g_repr->setAttribute("inkscape:transform-center-y", SP_OBJECT_REPR(item)->attribute("inkscape:transform-center-y"), false);
        /* Whole text's style */
        gchar *style_str = sp_style_write_difference(SP_OBJECT_STYLE(item),
                                             SP_OBJECT_STYLE(SP_OBJECT_PARENT(item)));
        g_repr->setAttribute("style", style_str);
        g_free(style_str);
        Inkscape::Text::Layout::iterator iter = te_get_layout(item)->begin(); 
        do {
            Inkscape::Text::Layout::iterator iter_next = iter;
            iter_next.nextGlyph(); // iter_next is one glyph ahead from iter
            if (iter == iter_next)
                break;

            /* This glyph's style */
            SPObject const *pos_obj = 0;
            void *rawptr = 0;
            te_get_layout(item)->getSourceOfCharacter(iter, &rawptr);
            if (!rawptr || !SP_IS_OBJECT(rawptr)) // no source for glyph, abort
                break;
            pos_obj = SP_OBJECT(rawptr);
            while (SP_IS_STRING(pos_obj) && SP_OBJECT_PARENT(pos_obj)) {
               pos_obj = SP_OBJECT_PARENT(pos_obj);   // SPStrings don't have style
            }
            gchar *style_str = sp_style_write_difference(SP_OBJECT_STYLE(pos_obj),
                                                 SP_OBJECT_STYLE(SP_OBJECT_PARENT(pos_obj)));

            // get path from iter to iter_next:
            SPCurve *curve = te_get_layout(item)->convertToCurves(iter, iter_next);
            iter = iter_next; // shift to next glyph
            if (!curve) { // error converting this glyph
                g_free (style_str);
                continue;
            }
            if (curve->is_empty()) { // whitespace glyph?
                curve->unref();
                g_free (style_str);
                continue;
            }

            Inkscape::XML::Node *p_repr = xml_doc->createElement("svg:path");

            gchar *def_str = sp_svg_write_path(curve->get_pathvector());
            p_repr->setAttribute("d", def_str);
            g_free(def_str);
            curve->unref();

            p_repr->setAttribute("style", style_str);
            g_free(style_str);

            g_repr->appendChild(p_repr);
            Inkscape::GC::release(p_repr);

            if (iter == te_get_layout(item)->end())
                break;

        } while (true);

        return g_repr;
    }

    SPCurve *curve = NULL;
    if (SP_IS_SHAPE(item)) {
        curve = sp_shape_get_curve(SP_SHAPE(item));
    } 

    if (!curve)
        return NULL;

    // Prevent empty paths from being added to the document
    // otherwise we end up with zomby markup in the SVG file
    if(curve->is_empty())
    {
        curve->unref();
        return NULL;
    }

    Inkscape::XML::Node *repr = xml_doc->createElement("svg:path");
    /* Transformation */
    repr->setAttribute("transform", SP_OBJECT_REPR(item)->attribute("transform"));
    /* Style */
    gchar *style_str = sp_style_write_difference(SP_OBJECT_STYLE(item),
                                                 SP_OBJECT_STYLE(SP_OBJECT_PARENT(item)));
    repr->setAttribute("style", style_str);
    g_free(style_str);

    /* Mask */
    gchar *mask_str = (gchar *) SP_OBJECT_REPR(item)->attribute("mask");
    if ( mask_str )
        repr->setAttribute("mask", mask_str);

    /* Clip path */
    gchar *clip_path_str = (gchar *) SP_OBJECT_REPR(item)->attribute("clip-path");
    if ( clip_path_str )
        repr->setAttribute("clip-path", clip_path_str);

    /* Rotation center */
    repr->setAttribute("inkscape:transform-center-x", SP_OBJECT_REPR(item)->attribute("inkscape:transform-center-x"), false);
    repr->setAttribute("inkscape:transform-center-y", SP_OBJECT_REPR(item)->attribute("inkscape:transform-center-y"), false);

    /* Definition */
    gchar *def_str = sp_svg_write_path(curve->get_pathvector());
    repr->setAttribute("d", def_str);
    g_free(def_str);
    curve->unref();
    return repr;
}
예제 #16
0
void
sp_selected_path_combine(SPDesktop *desktop)
{
    Inkscape::Selection *selection = sp_desktop_selection(desktop);
    SPDocument *doc = sp_desktop_document(desktop);
    
    if (g_slist_length((GSList *) selection->itemList()) < 1) {
        sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to combine."));
        return;
    }

    desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Combining paths..."));
    // set "busy" cursor
    desktop->setWaitingCursor();

    GSList *items = g_slist_copy((GSList *) selection->itemList());

    items = sp_degroup_list (items); // descend into any groups in selection

    GSList *to_paths = NULL;
    for (GSList *i = items; i != NULL; i = i->next) {
        SPItem *item = (SPItem *) i->data;
        if (!SP_IS_PATH(item) && !SP_IS_GROUP(item))
            to_paths = g_slist_prepend(to_paths, item);
    }
    GSList *converted = NULL;
    bool did = sp_item_list_to_curves(to_paths, &items, &converted);
    g_slist_free(to_paths);
    for (GSList *i = converted; i != NULL; i = i->next)
        items = g_slist_prepend(items, doc->getObjectByRepr((Inkscape::XML::Node*)(i->data)));

    items = sp_degroup_list (items); // converting to path may have added more groups, descend again

    items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
    items = g_slist_reverse(items);

    // remember the position, id, transform and style of the topmost path, they will be assigned to the combined one
    gint position = 0;
    char const *id = NULL;
    char const *transform = NULL;
    gchar *style = NULL;
    gchar *path_effect = NULL;

    SPCurve* curve = 0;
    SPItem *first = NULL;
    Inkscape::XML::Node *parent = NULL; 

    if (did) {
        selection->clear();
    }

    for (GSList *i = items; i != NULL; i = i->next) {  // going from top to bottom

        SPItem *item = (SPItem *) i->data;
        if (!SP_IS_PATH(item))
            continue;

        if (!did) {
            selection->clear();
            did = true;
        }

        SPCurve *c = sp_path_get_curve_for_edit(SP_PATH(item));
        if (first == NULL) {  // this is the topmost path
            first = item;
            parent = SP_OBJECT_REPR(first)->parent();
            position = SP_OBJECT_REPR(first)->position();
            id = SP_OBJECT_REPR(first)->attribute("id");
            transform = SP_OBJECT_REPR(first)->attribute("transform");
            // FIXME: merge styles of combined objects instead of using the first one's style
            style = g_strdup(SP_OBJECT_REPR(first)->attribute("style"));
            path_effect = g_strdup(SP_OBJECT_REPR(first)->attribute("inkscape:path-effect"));
            //c->transform(item->transform);
            curve = c;
        } else {
            c->transform(item->getRelativeTransform(SP_OBJECT(first)));
            curve->append(c, false);
            c->unref();
        }

        // unless this is the topmost object,
        if (item != first) {
            // reduce position only if the same parent
            if (SP_OBJECT_REPR(item)->parent() == parent)
                position--;
            // delete the object for real, so that its clones can take appropriate action
            SP_OBJECT(item)->deleteObject();
        }
    }

    g_slist_free(items);

    if (did) {
        SP_OBJECT(first)->deleteObject(false);
        // delete the topmost.

        Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
        Inkscape::XML::Node *repr = xml_doc->createElement("svg:path");

        // restore id, transform, path effect, and style
        repr->setAttribute("id", id);
        if (transform) repr->setAttribute("transform", transform);
        repr->setAttribute("style", style);
        g_free(style);

        repr->setAttribute("inkscape:path-effect", path_effect);
        g_free(path_effect);

        // set path data corresponding to new curve
        gchar *dstring = sp_svg_write_path(curve->get_pathvector());
        curve->unref();
        if (path_effect)
            repr->setAttribute("inkscape:original-d", dstring);
        else
            repr->setAttribute("d", dstring);
        g_free(dstring);

        // add the new group to the parent of the topmost
        parent->appendChild(repr);

        // move to the position of the topmost, reduced by the number of deleted items
        repr->setPosition(position > 0 ? position : 0);

        sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_COMBINE, 
                         _("Combine"));

        selection->set(repr);

        Inkscape::GC::release(repr);

    } else {
        sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("<b>No path(s)</b> to combine in the selection."));
    }

    desktop->clearWaitingCursor();
}
예제 #17
0
void
sp_selected_path_break_apart(SPDesktop *desktop)
{
    Inkscape::Selection *selection = sp_desktop_selection(desktop);

    if (selection->isEmpty()) {
        sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>path(s)</b> to break apart."));
        return;
    }

    desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Breaking apart paths..."));
    // set "busy" cursor
    desktop->setWaitingCursor();

    bool did = false;

    for (GSList *items = g_slist_copy((GSList *) selection->itemList());
         items != NULL;
         items = items->next) {

        SPItem *item = (SPItem *) items->data;

        if (!SP_IS_PATH(item))
            continue;

        SPPath *path = SP_PATH(item);

        SPCurve *curve = sp_path_get_curve_for_edit(SP_PATH(path));
        if (curve == NULL)
            continue;

        did = true;

        Inkscape::XML::Node *parent = SP_OBJECT_REPR(item)->parent();
        gint pos = SP_OBJECT_REPR(item)->position();
        char const *id = SP_OBJECT_REPR(item)->attribute("id");

        gchar *style = g_strdup(SP_OBJECT(item)->repr->attribute("style"));
        gchar *path_effect = g_strdup(SP_OBJECT(item)->repr->attribute("inkscape:path-effect"));

        Geom::PathVector apv = curve->get_pathvector() * SP_ITEM(path)->transform;

        curve->unref();

        // it's going to resurrect as one of the pieces, so we delete without advertisement
        SP_OBJECT(item)->deleteObject(false);

        curve = new SPCurve(apv);
        g_assert(curve != NULL);

        GSList *list = curve->split();

        curve->unref();

        GSList *reprs = NULL;
        for (GSList *l = list; l != NULL; l = l->next) {
            curve = (SPCurve *) l->data;

            Inkscape::XML::Node *repr = parent->document()->createElement("svg:path");
            repr->setAttribute("style", style);

            repr->setAttribute("inkscape:path-effect", path_effect);

            gchar *str = sp_svg_write_path(curve->get_pathvector());
            if (path_effect)
                repr->setAttribute("inkscape:original-d", str);
            else
                repr->setAttribute("d", str);
            g_free(str);

            // add the new repr to the parent
            parent->appendChild(repr);

            // move to the saved position
            repr->setPosition(pos > 0 ? pos : 0);

            // if it's the first one, restore id
            if (l == list)
                repr->setAttribute("id", id);

            reprs = g_slist_prepend (reprs, repr);

            Inkscape::GC::release(repr);
        }

        selection->setReprList(reprs);

        g_slist_free(reprs);
        g_slist_free(list);
        g_free(style);
        g_free(path_effect);
    }

    desktop->clearWaitingCursor();

    if (did) {
        sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_BREAK_APART, 
                         _("Break apart"));
    } else {
        sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("<b>No path(s)</b> to break apart in the selection."));
    }
}