예제 #1
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 #2
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;
}