Exemplos de i2anc_affine em C++ (Cpp)

Exemplo n.º 1

Arquivo: sp-lpe-item.cpp Projeto: asitti/inkscape

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));
        }
    }
}

Exemplo n.º 2

Arquivo: sp-conn-end.cpp Projeto: vinics/inkscape

static void
sp_conn_get_route_and_redraw(SPPath *const path,
        const bool updatePathRepr = true)
{
    // Get the new route around obstacles.
    bool rerouted = path->connEndPair.reroutePathFromLibavoid();
    if (!rerouted) {
        return;
    }

    SPItem *h2attItem[2] = {0};
    path->connEndPair.getAttachedItems(h2attItem);

    SPObject const *const ancestor = get_nearest_common_ancestor(path, h2attItem);
    Geom::Affine const path2anc(i2anc_affine(path, ancestor));

    // Set sensible values incase there the connector ends are not
    // attached to any shapes.
    Geom::PathVector conn_pv = path->_curve->get_pathvector();
    double endPos[2] = { 0.0, static_cast<double>(conn_pv[0].size()) };

    for (unsigned h = 0; h < 2; ++h) {
        // Assume center point for all
        if (h2attItem[h]) {
            Geom::Affine h2i2anc = i2anc_affine(h2attItem[h], ancestor);
            try_get_intersect_point_with_item(path, h2attItem[h], h2i2anc, path2anc,
                        (h == 0), endPos[h]);
        }
    }
    change_endpts(path->_curve, endPos);
    if (updatePathRepr) {
        path->updateRepr();
        path->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
    }
}