X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fsp-item.cpp;h=3950482803a544b3efe179f976b39ad03204de72;hb=eb363d7983180e9a60cdcee5d39b8f6814df6085;hp=ec168f03ff969771ff596d78fca4596d0a43cb4c;hpb=7157489b41afeae486a128ff4d7422928a4ba3a7;p=inkscape.git diff --git a/src/sp-item.cpp b/src/sp-item.cpp index ec168f03f..395048280 100644 --- a/src/sp-item.cpp +++ b/src/sp-item.cpp @@ -1,5 +1,3 @@ -#define __SP_ITEM_C__ - /** \file * Base class for visual SVG elements */ @@ -34,6 +32,9 @@ #include "attributes.h" #include "document.h" #include "uri.h" +#include "inkscape.h" +#include "desktop.h" +#include "desktop-handles.h" #include "style.h" #include @@ -46,23 +47,36 @@ #include "sp-item-rm-unsatisfied-cns.h" #include "sp-pattern.h" #include "sp-switch.h" +#include "sp-guide-constraint.h" #include "gradient-chemistry.h" -#include "prefs-utils.h" +#include "preferences.h" #include "conn-avoid-ref.h" #include "conditions.h" #include "sp-filter-reference.h" +#include "filter-chemistry.h" +#include "sp-guide.h" +#include "sp-title.h" +#include "sp-desc.h" -#include "libnr/nr-matrix-div.h" #include "libnr/nr-matrix-fns.h" #include "libnr/nr-matrix-scale-ops.h" #include "libnr/nr-matrix-translate-ops.h" #include "libnr/nr-scale-translate-ops.h" #include "libnr/nr-translate-scale-ops.h" +#include "libnr/nr-convert2geom.h" #include "algorithms/find-last-if.h" #include "util/reverse-list.h" +#include <2geom/rect.h> +#include <2geom/matrix.h> +#include <2geom/transforms.h> #include "xml/repr.h" #include "extract-uri.h" +#include "helper/geom.h" + +#include "live_effects/lpeobject.h" +#include "live_effects/effect.h" +#include "live_effects/lpeobject-reference.h" #define noSP_ITEM_DEBUG_IDLE @@ -73,10 +87,10 @@ static void sp_item_build(SPObject *object, SPDocument *document, Inkscape::XML: static void sp_item_release(SPObject *object); static void sp_item_set(SPObject *object, unsigned key, gchar const *value); static void sp_item_update(SPObject *object, SPCtx *ctx, guint flags); -static Inkscape::XML::Node *sp_item_write(SPObject *object, Inkscape::XML::Node *repr, guint flags); +static Inkscape::XML::Node *sp_item_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags); static gchar *sp_item_private_description(SPItem *item); -static void sp_item_private_snappoints(SPItem const *item, SnapPointsIter p); +static void sp_item_private_snappoints(SPItem const *item, bool const target, SnapPointsWithType &p, Inkscape::SnapPreferences const *snapprefs); static SPItemView *sp_item_view_new_prepend(SPItemView *list, SPItem *item, unsigned flags, unsigned key, NRArenaItem *arenaitem); static SPItemView *sp_item_view_list_remove(SPItemView *list, SPItemView *view); @@ -147,23 +161,25 @@ void SPItem::init() { this->_is_evaluated = true; this->_evaluated_status = StatusUnknown; - this->transform = NR::identity(); + this->transform = Geom::identity(); this->display = NULL; this->clip_ref = new SPClipPathReference(this); - sigc::signal cs1=this->clip_ref->changedSignal(); - sigc::slot2 sl1=sigc::bind(sigc::ptr_fun(clip_ref_changed), this); + sigc::signal cs1=this->clip_ref->changedSignal(); + sigc::slot2 sl1=sigc::bind(sigc::ptr_fun(clip_ref_changed), this); _clip_ref_connection = cs1.connect(sl1); this->mask_ref = new SPMaskReference(this); - sigc::signal cs2=this->mask_ref->changedSignal(); - sigc::slot2 sl2=sigc::bind(sigc::ptr_fun(mask_ref_changed), this); + sigc::signal cs2=this->mask_ref->changedSignal(); + sigc::slot2 sl2=sigc::bind(sigc::ptr_fun(mask_ref_changed), this); _mask_ref_connection = cs2.connect(sl2); this->avoidRef = new SPAvoidRef(this); - new (&this->_transformed_signal) sigc::signal(); + new (&this->constraints) std::vector(); + + new (&this->_transformed_signal) sigc::signal(); } bool SPItem::isVisibleAndUnlocked() const { @@ -257,7 +273,7 @@ bool SPItem::isExplicitlyHidden() const { return (this->style->display.set - && this->style->display.value == SP_CSS_DISPLAY_NONE); + && this->style->display.value == SP_CSS_DISPLAY_NONE); } /** @@ -276,13 +292,16 @@ SPItem::setExplicitlyHidden(bool const val) { * Sets the transform_center_x and transform_center_y properties to retain the rotation centre */ void -SPItem::setCenter(NR::Point object_centre) { - NR::Maybe bbox = getBounds(sp_item_i2d_affine(this)); +SPItem::setCenter(Geom::Point object_centre) { + // for getBounds() to work + sp_document_ensure_up_to_date(SP_OBJECT_DOCUMENT(this)); + + Geom::OptRect bbox = getBounds(sp_item_i2d_affine(this)); if (bbox) { - transform_center_x = object_centre[NR::X] - bbox->midpoint()[NR::X]; + transform_center_x = object_centre[Geom::X] - bbox->midpoint()[Geom::X]; if (fabs(transform_center_x) < 1e-5) // rounding error transform_center_x = 0; - transform_center_y = object_centre[NR::Y] - bbox->midpoint()[NR::Y]; + transform_center_y = object_centre[Geom::Y] - bbox->midpoint()[Geom::Y]; if (fabs(transform_center_y) < 1e-5) // rounding error transform_center_y = 0; } @@ -298,12 +317,15 @@ bool SPItem::isCenterSet() { return (transform_center_x != 0 || transform_center_y != 0); } -NR::Point SPItem::getCenter() const { - NR::Maybe bbox = getBounds(sp_item_i2d_affine(this)); +Geom::Point SPItem::getCenter() const { + // for getBounds() to work + sp_document_ensure_up_to_date(SP_OBJECT_DOCUMENT(this)); + + Geom::OptRect bbox = getBounds(sp_item_i2d_affine(this)); if (bbox) { - return bbox->midpoint() + NR::Point (this->transform_center_x, this->transform_center_y); + return to_2geom(bbox->midpoint()) + Geom::Point (this->transform_center_x, this->transform_center_y); } else { - return NR::Point (0, 0); // something's wrong! + return Geom::Point (0, 0); // something's wrong! } } @@ -404,6 +426,14 @@ sp_item_release(SPObject *object) item->_clip_ref_connection.disconnect(); item->_mask_ref_connection.disconnect(); + // Note: do this here before the clip_ref is deleted, since calling + // sp_document_ensure_up_to_date for triggered routing may reference + // the deleted clip_ref. + if (item->avoidRef) { + delete item->avoidRef; + item->avoidRef = NULL; + } + if (item->clip_ref) { item->clip_ref->detach(); delete item->clip_ref; @@ -416,11 +446,6 @@ sp_item_release(SPObject *object) item->mask_ref = NULL; } - if (item->avoidRef) { - delete item->avoidRef; - item->avoidRef = NULL; - } - if (((SPObjectClass *) (parent_class))->release) { ((SPObjectClass *) parent_class)->release(object); } @@ -440,11 +465,11 @@ sp_item_set(SPObject *object, unsigned key, gchar const *value) switch (key) { case SP_ATTR_TRANSFORM: { - NR::Matrix t; + Geom::Matrix t; if (value && sp_svg_transform_read(value, &t)) { sp_item_set_item_transform(item, t); } else { - sp_item_set_item_transform(item, NR::identity()); + sp_item_set_item_transform(item, Geom::identity()); } break; } @@ -538,7 +563,7 @@ clip_ref_changed(SPObject *old_clip, SPObject *clip, SPItem *item) } if (SP_IS_CLIPPATH(clip)) { NRRect bbox; - sp_item_invoke_bbox(item, &bbox, NR::identity(), TRUE); + sp_item_invoke_bbox(item, &bbox, Geom::identity(), TRUE); for (SPItemView *v = item->display; v != NULL; v = v->next) { if (!v->arenaitem->key) { NR_ARENA_ITEM_SET_KEY(v->arenaitem, sp_item_display_key_new(3)); @@ -566,7 +591,7 @@ mask_ref_changed(SPObject *old_mask, SPObject *mask, SPItem *item) } if (SP_IS_MASK(mask)) { NRRect bbox; - sp_item_invoke_bbox(item, &bbox, NR::identity(), TRUE); + sp_item_invoke_bbox(item, &bbox, Geom::identity(), TRUE); for (SPItemView *v = item->display; v != NULL; v = v->next) { if (!v->arenaitem->key) { NR_ARENA_ITEM_SET_KEY(v->arenaitem, sp_item_display_key_new(3)); @@ -602,7 +627,7 @@ sp_item_update(SPObject *object, SPCtx *ctx, guint flags) if ( clip_path || mask ) { NRRect bbox; - sp_item_invoke_bbox(item, &bbox, NR::identity(), TRUE); + sp_item_invoke_bbox(item, &bbox, Geom::identity(), TRUE); if (clip_path) { for (SPItemView *v = item->display; v != NULL; v = v->next) { sp_clippath_set_bbox(clip_path, NR_ARENA_ITEM_GET_KEY(v->arenaitem), &bbox); @@ -625,14 +650,13 @@ sp_item_update(SPObject *object, SPCtx *ctx, guint flags) /* Update bounding box data used by filters */ if (item->style->filter.set && item->display) { - NRRect item_bbox; - sp_item_invoke_bbox(item, &item_bbox, NR::identity(), TRUE, SPItem::GEOMETRIC_BBOX); - NR::Maybe i_bbox = item_bbox; + Geom::OptRect item_bbox; + sp_item_invoke_bbox(item, item_bbox, Geom::identity(), TRUE, SPItem::GEOMETRIC_BBOX); SPItemView *itemview = item->display; do { if (itemview->arenaitem) - nr_arena_item_set_item_bbox(itemview->arenaitem, i_bbox); + nr_arena_item_set_item_bbox(itemview->arenaitem, item_bbox); } while ( (itemview = itemview->next) ); } @@ -642,10 +666,34 @@ sp_item_update(SPObject *object, SPCtx *ctx, guint flags) } static Inkscape::XML::Node * -sp_item_write(SPObject *const object, Inkscape::XML::Node *repr, guint flags) +sp_item_write(SPObject *const object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) { + SPObject *child; SPItem *item = SP_ITEM(object); + // in the case of SP_OBJECT_WRITE_BUILD, the item should always be newly created, + // so we need to add any children from the underlying object to the new repr + if (flags & SP_OBJECT_WRITE_BUILD) { + Inkscape::XML::Node *crepr; + GSList *l; + l = NULL; + for (child = sp_object_first_child(object); child != NULL; child = SP_OBJECT_NEXT(child) ) { + if (!SP_IS_TITLE(child) && !SP_IS_DESC(child)) continue; + crepr = child->updateRepr(xml_doc, NULL, flags); + if (crepr) l = g_slist_prepend (l, crepr); + } + while (l) { + repr->addChild((Inkscape::XML::Node *) l->data, NULL); + Inkscape::GC::release((Inkscape::XML::Node *) l->data); + l = g_slist_remove (l, l->data); + } + } else { + for (child = sp_object_first_child(object) ; child != NULL; child = SP_OBJECT_NEXT(child) ) { + if (!SP_IS_TITLE(child) && !SP_IS_DESC(child)) continue; + child->updateRepr(flags); + } + } + gchar *c = sp_svg_transform_write(item->transform); repr->setAttribute("transform", c); g_free(c); @@ -674,33 +722,155 @@ sp_item_write(SPObject *const object, Inkscape::XML::Node *repr, guint flags) } if (((SPObjectClass *) (parent_class))->write) { - ((SPObjectClass *) (parent_class))->write(object, repr, flags); + ((SPObjectClass *) (parent_class))->write(object, xml_doc, repr, flags); } return repr; } -NR::Maybe SPItem::getBounds(NR::Matrix const &transform, +/** + * \return There is no guarantee that the return value will contain a rectangle. + If this item does not have a boundingbox, it might well be empty. + */ +Geom::OptRect SPItem::getBounds(Geom::Matrix const &transform, SPItem::BBoxType type, unsigned int /*dkey*/) const { - NRRect r; - sp_item_invoke_bbox_full(this, &r, transform, type, TRUE); + Geom::OptRect r; + sp_item_invoke_bbox_full(this, r, transform, type, TRUE); return r; } void -sp_item_invoke_bbox(SPItem const *item, NRRect *bbox, NR::Matrix const &transform, unsigned const clear, SPItem::BBoxType type) +sp_item_invoke_bbox(SPItem const *item, Geom::OptRect &bbox, Geom::Matrix const &transform, unsigned const clear, SPItem::BBoxType type) { sp_item_invoke_bbox_full(item, bbox, transform, type, clear); } +// DEPRECATED to phase out the use of NRRect in favor of Geom::OptRect +void +sp_item_invoke_bbox(SPItem const *item, NRRect *bbox, Geom::Matrix const &transform, unsigned const clear, SPItem::BBoxType type) +{ + sp_item_invoke_bbox_full(item, bbox, transform, type, clear); +} + +/** Calls \a item's subclass' bounding box method; clips it by the bbox of clippath, if any; and + * unions the resulting bbox with \a bbox. If \a clear is true, empties \a bbox first. Passes the + * transform and the flags to the actual bbox methods. Note that many of subclasses (e.g. groups, + * clones), in turn, call this function in their bbox methods. + * \retval bbox Note that there is no guarantee that bbox will contain a rectangle when the + * function returns. If this item does not have a boundingbox, this might well be empty. + */ +void +sp_item_invoke_bbox_full(SPItem const *item, Geom::OptRect &bbox, Geom::Matrix const &transform, unsigned const flags, unsigned const clear) +{ + g_assert(item != NULL); + g_assert(SP_IS_ITEM(item)); + + if (clear) { + bbox = Geom::OptRect(); + } + + // TODO: replace NRRect by Geom::Rect, for all SPItemClasses, and for SP_CLIPPATH + + NRRect temp_bbox; + temp_bbox.x0 = temp_bbox.y0 = NR_HUGE; + temp_bbox.x1 = temp_bbox.y1 = -NR_HUGE; + + // call the subclass method + if (((SPItemClass *) G_OBJECT_GET_CLASS(item))->bbox) { + ((SPItemClass *) G_OBJECT_GET_CLASS(item))->bbox(item, &temp_bbox, transform, flags); + } + + // unless this is geometric bbox, extend by filter area and crop the bbox by clip path, if any + if ((SPItem::BBoxType) flags != SPItem::GEOMETRIC_BBOX) { + if (SP_OBJECT_STYLE(item) && SP_OBJECT_STYLE(item)->filter.href) { + SPObject *filter = SP_OBJECT_STYLE(item)->getFilter(); + if (filter && SP_IS_FILTER(filter)) { + // default filer area per the SVG spec: + double x = -0.1; + double y = -0.1; + double w = 1.2; + double h = 1.2; + + // if area is explicitly set, override: + if (SP_FILTER(filter)->x._set) + x = SP_FILTER(filter)->x.computed; + if (SP_FILTER(filter)->y._set) + y = SP_FILTER(filter)->y.computed; + if (SP_FILTER(filter)->width._set) + w = SP_FILTER(filter)->width.computed; + if (SP_FILTER(filter)->height._set) + h = SP_FILTER(filter)->height.computed; + + double dx0 = 0; + double dx1 = 0; + double dy0 = 0; + double dy1 = 0; + if (filter_is_single_gaussian_blur(SP_FILTER(filter))) { + // if this is a single blur, use 2.4*radius + // which may be smaller than the default area; + // see set_filter_area for why it's 2.4 + double r = get_single_gaussian_blur_radius (SP_FILTER(filter)); + dx0 = -2.4 * r; + dx1 = 2.4 * r; + dy0 = -2.4 * r; + dy1 = 2.4 * r; + } else { + // otherwise, calculate expansion from relative to absolute units: + dx0 = x * (temp_bbox.x1 - temp_bbox.x0); + dx1 = (w + x - 1) * (temp_bbox.x1 - temp_bbox.x0); + dy0 = y * (temp_bbox.y1 - temp_bbox.y0); + dy1 = (h + y - 1) * (temp_bbox.y1 - temp_bbox.y0); + } + + // transform the expansions by the item's transform: + Geom::Matrix i2d(sp_item_i2d_affine (item)); + dx0 *= i2d.expansionX(); + dx1 *= i2d.expansionX(); + dy0 *= i2d.expansionY(); + dy1 *= i2d.expansionY(); + + // expand the bbox + temp_bbox.x0 += dx0; + temp_bbox.x1 += dx1; + temp_bbox.y0 += dy0; + temp_bbox.y1 += dy1; + } + } + if (item->clip_ref->getObject()) { + NRRect b; + sp_clippath_get_bbox(SP_CLIPPATH(item->clip_ref->getObject()), &b, transform, flags); + nr_rect_d_intersect (&temp_bbox, &temp_bbox, &b); + } + } + + if (temp_bbox.x0 > temp_bbox.x1 || temp_bbox.y0 > temp_bbox.y1) { + // Either the bbox hasn't been touched by the SPItemClass' bbox method + // (it still has its initial values, see above: x0 = y0 = NR_HUGE and x1 = y1 = -NR_HUGE) + // or it has explicitely been set to be like this (e.g. in sp_shape_bbox) + + // When x0 > x1 or y0 > y1, the bbox is considered to be "nothing", although it has not been + // explicitely defined this way for NRRects (as opposed to Geom::OptRect) + // So union bbox with nothing = do nothing, just return + return; + } + + // Do not use temp_bbox.upgrade() here, because it uses a test that returns an empty Geom::OptRect() + // for any rectangle with zero area. The geometrical bbox of for example a vertical line + // would therefore be translated into empty Geom::OptRect() (see bug https://bugs.launchpad.net/inkscape/+bug/168684) + Geom::OptRect temp_bbox_new = Geom::Rect(Geom::Point(temp_bbox.x0, temp_bbox.y0), Geom::Point(temp_bbox.x1, temp_bbox.y1)); + + bbox = Geom::unify(bbox, temp_bbox_new); +} + +// DEPRECATED to phase out the use of NRRect in favor of Geom::OptRect /** Calls \a item's subclass' bounding box method; clips it by the bbox of clippath, if any; and * unions the resulting bbox with \a bbox. If \a clear is true, empties \a bbox first. Passes the * transform and the flags to the actual bbox methods. Note that many of subclasses (e.g. groups, * clones), in turn, call this function in their bbox methods. */ void -sp_item_invoke_bbox_full(SPItem const *item, NRRect *bbox, NR::Matrix const &transform, unsigned const flags, unsigned const clear) +sp_item_invoke_bbox_full(SPItem const *item, NRRect *bbox, Geom::Matrix const &transform, unsigned const flags, unsigned const clear) { g_assert(item != NULL); g_assert(SP_IS_ITEM(item)); @@ -768,42 +938,76 @@ sp_item_bbox_desktop(SPItem *item, NRRect *bbox, SPItem::BBoxType type) sp_item_invoke_bbox(item, bbox, sp_item_i2d_affine(item), TRUE, type); } -NR::Maybe sp_item_bbox_desktop(SPItem *item, SPItem::BBoxType type) +Geom::OptRect sp_item_bbox_desktop(SPItem *item, SPItem::BBoxType type) { - NRRect ret; - sp_item_invoke_bbox(item, &ret, sp_item_i2d_affine(item), TRUE, type); - return ret.upgrade(); + Geom::OptRect rect = Geom::OptRect(); + sp_item_invoke_bbox(item, rect, sp_item_i2d_affine(item), TRUE, type); + return rect; } -static void sp_item_private_snappoints(SPItem const *item, SnapPointsIter p) +static void sp_item_private_snappoints(SPItem const *item, bool const target, SnapPointsWithType &p, Inkscape::SnapPreferences const */*snapprefs*/) { - NR::Maybe bbox = item->getBounds(sp_item_i2d_affine(item)); - /* Just the corners of the bounding box suffices given that we don't yet - support angled guide lines. */ + /* This will only be called if the derived class doesn't override this. + * see for example sp_genericellipse_snappoints in sp-ellipse.cpp + * We don't know what shape we could be dealing with here, so we'll just + * return the corners of the bounding box */ + + Geom::OptRect bbox = item->getBounds(sp_item_i2d_affine(item)); if (bbox) { - NR::Point p1, p2; + Geom::Point p1, p2; p1 = bbox->min(); p2 = bbox->max(); - *p = p1; - *p = NR::Point(p1[NR::X], p2[NR::Y]); - *p = p2; - *p = NR::Point(p1[NR::Y], p2[NR::X]); + int type = target ? int(Inkscape::SNAPSOURCE_CONVEX_HULL_CORNER) : int(Inkscape::SNAPSOURCE_CONVEX_HULL_CORNER); + p.push_back(std::make_pair(p1, type)); + p.push_back(std::make_pair(Geom::Point(p1[Geom::X], p2[Geom::Y]), type)); + p.push_back(std::make_pair(p2, type)); + p.push_back(std::make_pair(Geom::Point(p1[Geom::Y], p2[Geom::X]), type)); } + } -void sp_item_snappoints(SPItem const *item, bool includeItemCenter, SnapPointsIter p) +void sp_item_snappoints(SPItem const *item, bool const target, SnapPointsWithType &p, Inkscape::SnapPreferences const *snapprefs) { g_assert (item != NULL); g_assert (SP_IS_ITEM(item)); + // Get the snappoints of the item SPItemClass const &item_class = *(SPItemClass const *) G_OBJECT_GET_CLASS(item); if (item_class.snappoints) { - item_class.snappoints(item, p); + item_class.snappoints(item, target, p, snapprefs); + } + + // Get the snappoints at the item's center + if (snapprefs != NULL && snapprefs->getIncludeItemCenter()) { + p.push_back(std::make_pair(item->getCenter(), target ? int(Inkscape::SNAPTARGET_ROTATION_CENTER) : int(Inkscape::SNAPSOURCE_ROTATION_CENTER))); } - if (includeItemCenter) { - *p = item->getCenter(); + // Get the snappoints of clipping paths and mask, if any + std::list clips_and_masks; + + clips_and_masks.push_back(SP_OBJECT(item->clip_ref->getObject())); + clips_and_masks.push_back(SP_OBJECT(item->mask_ref->getObject())); + + SPDesktop *desktop = inkscape_active_desktop(); + for (std::list::const_iterator o = clips_and_masks.begin(); o != clips_and_masks.end(); o++) { + if (*o) { + // obj is a group object, the children are the actual clippers + for (SPObject *child = (*o)->children ; child ; child = child->next) { + if (SP_IS_ITEM(child)) { + SnapPointsWithType p_clip_or_mask; + // Please note the recursive call here! + sp_item_snappoints(SP_ITEM(child), target, p_clip_or_mask, snapprefs); + // Take into account the transformation of the item being clipped or masked + for (SnapPointsWithType::const_iterator p_orig = p_clip_or_mask.begin(); p_orig != p_clip_or_mask.end(); p_orig++) { + // All snappoints are in desktop coordinates, but the item's transformation is + // in document coordinates. Hence the awkward construction below + Geom::Point pt = desktop->dt2doc((*p_orig).first) * sp_item_i2d_affine(item); + p.push_back(std::make_pair(pt, (*p_orig).second)); + } + } + } + } } } @@ -812,7 +1016,7 @@ sp_item_invoke_print(SPItem *item, SPPrintContext *ctx) { if (!item->isHidden()) { if (((SPItemClass *) G_OBJECT_GET_CLASS(item))->print) { - if (!item->transform.test_identity() + if (!item->transform.isIdentity() || SP_OBJECT_STYLE(item)->opacity.value != SP_SCALE24_MAX) { sp_print_bind(ctx, item->transform, SP_SCALE24_TO_FLOAT(SP_OBJECT_STYLE(item)->opacity.value)); @@ -854,6 +1058,17 @@ sp_item_description(SPItem *item) g_free (s); s = snew; } + if (SP_OBJECT_STYLE(item) && SP_OBJECT_STYLE(item)->filter.href && SP_OBJECT_STYLE(item)->filter.href->getObject()) { + const gchar *label = SP_OBJECT_STYLE(item)->filter.href->getObject()->label(); + gchar *snew; + if (label) { + snew = g_strdup_printf (_("%s; filtered (%s)"), s, _(label)); + } else { + snew = g_strdup_printf (_("%s; filtered"), s); + } + g_free (s); + s = snew; + } return s; } @@ -911,7 +1126,7 @@ sp_item_invoke_show(SPItem *item, NRArena *arena, unsigned key, unsigned flags) // Update bbox, in case the clip uses bbox units NRRect bbox; - sp_item_invoke_bbox(item, &bbox, NR::identity(), TRUE); + sp_item_invoke_bbox(item, &bbox, Geom::identity(), TRUE); sp_clippath_set_bbox(SP_CLIPPATH(cp), clip_key, &bbox); SP_OBJECT(cp)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); } @@ -930,15 +1145,14 @@ sp_item_invoke_show(SPItem *item, NRArena *arena, unsigned key, unsigned flags) // Update bbox, in case the mask uses bbox units NRRect bbox; - sp_item_invoke_bbox(item, &bbox, NR::identity(), TRUE); + sp_item_invoke_bbox(item, &bbox, Geom::identity(), TRUE); sp_mask_set_bbox(SP_MASK(mask), mask_key, &bbox); SP_OBJECT(mask)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); } NR_ARENA_ITEM_SET_DATA(ai, item); - NRRect item_bbox; - sp_item_invoke_bbox(item, &item_bbox, NR::identity(), TRUE, SPItem::GEOMETRIC_BBOX); - NR::Maybe i_bbox = item_bbox; - nr_arena_item_set_item_bbox(ai, i_bbox); + Geom::OptRect item_bbox; + sp_item_invoke_bbox(item, item_bbox, Geom::identity(), TRUE, SPItem::GEOMETRIC_BBOX); + nr_arena_item_set_item_bbox(ai, item_bbox); } return ai; @@ -985,7 +1199,7 @@ sp_item_invoke_hide(SPItem *item, unsigned key) // Adjusters void -sp_item_adjust_pattern (SPItem *item, NR::Matrix const &postmul, bool set) +sp_item_adjust_pattern (SPItem *item, Geom::Matrix const &postmul, bool set) { SPStyle *style = SP_OBJECT_STYLE (item); @@ -1008,7 +1222,7 @@ sp_item_adjust_pattern (SPItem *item, NR::Matrix const &postmul, bool set) } void -sp_item_adjust_gradient (SPItem *item, NR::Matrix const &postmul, bool set) +sp_item_adjust_gradient (SPItem *item, Geom::Matrix const &postmul, bool set) { SPStyle *style = SP_OBJECT_STYLE (item); @@ -1065,13 +1279,13 @@ sp_item_adjust_stroke (SPItem *item, gdouble ex) /** * Find out the inverse of previous transform of an item (from its repr) */ -NR::Matrix +Geom::Matrix sp_item_transform_repr (SPItem *item) { - NR::Matrix t_old(NR::identity()); + Geom::Matrix t_old(Geom::identity()); gchar const *t_attr = SP_OBJECT_REPR(item)->attribute("transform"); if (t_attr) { - NR::Matrix t; + Geom::Matrix t; if (sp_svg_transform_read(t_attr, &t)) { t_old = t; } @@ -1103,7 +1317,7 @@ sp_item_adjust_stroke_width_recursive(SPItem *item, double expansion) * Recursively adjust rx and ry of rects. */ void -sp_item_adjust_rects_recursive(SPItem *item, NR::Matrix advertized_transform) +sp_item_adjust_rects_recursive(SPItem *item, Geom::Matrix advertized_transform) { if (SP_IS_RECT (item)) { sp_rect_compensate_rxry (SP_RECT(item), advertized_transform); @@ -1119,13 +1333,13 @@ sp_item_adjust_rects_recursive(SPItem *item, NR::Matrix advertized_transform) * Recursively compensate pattern or gradient transform. */ void -sp_item_adjust_paint_recursive (SPItem *item, NR::Matrix advertized_transform, NR::Matrix t_ancestors, bool is_pattern) +sp_item_adjust_paint_recursive (SPItem *item, Geom::Matrix advertized_transform, Geom::Matrix t_ancestors, bool is_pattern) { // _Before_ full pattern/gradient transform: t_paint * t_item * t_ancestors // _After_ full pattern/gradient transform: t_paint_new * t_item * t_ancestors * advertised_transform // By equating these two expressions we get t_paint_new = t_paint * paint_delta, where: - NR::Matrix t_item = sp_item_transform_repr (item); - NR::Matrix paint_delta = t_item * t_ancestors * advertized_transform * t_ancestors.inverse() * t_item.inverse(); + Geom::Matrix t_item = sp_item_transform_repr (item); + Geom::Matrix paint_delta = t_item * t_ancestors * advertized_transform * t_ancestors.inverse() * t_item.inverse(); // Within text, we do not fork gradients, and so must not recurse to avoid double compensation; // also we do not recurse into clones, because a clone's child is the ghost of its original - @@ -1152,17 +1366,33 @@ sp_item_adjust_paint_recursive (SPItem *item, NR::Matrix advertized_transform, N } -/** - * A temporary wrapper for the next function accepting the NRMatrix - * instead of NR::Matrix - */ void -sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NRMatrix const *transform, NR::Matrix const *adv) +sp_item_adjust_livepatheffect (SPItem *item, Geom::Matrix const &postmul, bool set) { - if (transform == NULL) - sp_item_write_transform(item, repr, NR::identity(), adv); - else - sp_item_write_transform(item, repr, NR::Matrix (transform), adv); + if ( !SP_IS_LPE_ITEM(item) ) + return; + + SPLPEItem *lpeitem = SP_LPE_ITEM (item); + if ( sp_lpe_item_has_path_effect(lpeitem) ) { + PathEffectList effect_list = sp_lpe_item_get_effect_list(lpeitem); + for (PathEffectList::iterator it = effect_list.begin(); it != effect_list.end(); it++) + { + // If the path effect is used by 2 or more items, fork it + // so that each object has its own independent copy of the effect + LivePathEffectObject *lpeobj = (*it)->lpeobject; + if (lpeobj) { + LivePathEffectObject *new_lpeobj = lpeobj->fork_private_if_necessary(); + if (new_lpeobj != lpeobj) { + sp_lpe_item_replace_path_effect(lpeitem, lpeobj, new_lpeobj); + } + + if (lpeobj->get_lpe()) { + Inkscape::LivePathEffect::Effect * effect = lpeobj->get_lpe(); + effect->transform_multiply(postmul, set); + } + } + } + } } /** @@ -1174,57 +1404,58 @@ sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NRMatrix const * the repr is updated with the new transform. */ void -sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NR::Matrix const &transform, NR::Matrix const *adv, bool compensate) +sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, Geom::Matrix const &transform, Geom::Matrix const *adv, bool compensate) { g_return_if_fail(item != NULL); g_return_if_fail(SP_IS_ITEM(item)); g_return_if_fail(repr != NULL); // calculate the relative transform, if not given by the adv attribute - NR::Matrix advertized_transform; + Geom::Matrix advertized_transform; if (adv != NULL) { advertized_transform = *adv; } else { advertized_transform = sp_item_transform_repr (item).inverse() * transform; } + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); if (compensate) { // recursively compensate for stroke scaling, depending on user preference - if (prefs_get_int_attribute("options.transform", "stroke", 1) == 0) { - double const expansion = 1. / NR::expansion(advertized_transform); + if (!prefs->getBool("/options/transform/stroke", true)) { + double const expansion = 1. / advertized_transform.descrim(); sp_item_adjust_stroke_width_recursive(item, expansion); } // recursively compensate rx/ry of a rect if requested - if (prefs_get_int_attribute("options.transform", "rectcorners", 1) == 0) { + if (!prefs->getBool("/options/transform/rectcorners", true)) { sp_item_adjust_rects_recursive(item, advertized_transform); } // recursively compensate pattern fill if it's not to be transformed - if (prefs_get_int_attribute("options.transform", "pattern", 1) == 0) { - sp_item_adjust_paint_recursive (item, advertized_transform.inverse(), NR::identity(), true); + if (!prefs->getBool("/options/transform/pattern", true)) { + sp_item_adjust_paint_recursive (item, advertized_transform.inverse(), Geom::identity(), true); } /// \todo FIXME: add the same else branch as for gradients below, to convert patterns to userSpaceOnUse as well /// recursively compensate gradient fill if it's not to be transformed - if (prefs_get_int_attribute("options.transform", "gradient", 1) == 0) { - sp_item_adjust_paint_recursive (item, advertized_transform.inverse(), NR::identity(), false); + if (!prefs->getBool("/options/transform/gradient", true)) { + sp_item_adjust_paint_recursive (item, advertized_transform.inverse(), Geom::identity(), false); } else { // this converts the gradient/pattern fill/stroke, if any, to userSpaceOnUse; we need to do // it here _before_ the new transform is set, so as to use the pre-transform bbox - sp_item_adjust_paint_recursive (item, NR::identity(), NR::identity(), false); + sp_item_adjust_paint_recursive (item, Geom::identity(), Geom::identity(), false); } } // endif(compensate) - gint preserve = prefs_get_int_attribute("options.preservetransform", "value", 0); - NR::Matrix transform_attr (transform); + gint preserve = prefs->getBool("/options/preservetransform/value", 0); + Geom::Matrix transform_attr (transform); if ( // run the object's set_transform (i.e. embed transform) only if: ((SPItemClass *) G_OBJECT_GET_CLASS(item))->set_transform && // it does have a set_transform method !preserve && // user did not chose to preserve all transforms !item->clip_ref->getObject() && // the object does not have a clippath !item->mask_ref->getObject() && // the object does not have a mask - !(!transform.is_translation() && SP_OBJECT_STYLE(item) && SP_OBJECT_STYLE(item)->getFilter()) + !(!transform.isTranslation() && SP_OBJECT_STYLE(item) && SP_OBJECT_STYLE(item)->getFilter()) // the object does not have a filter, or the transform is translation (which is supposed to not affect filters) ) { transform_attr = ((SPItemClass *) G_OBJECT_GET_CLASS(item))->set_transform(item, transform); @@ -1259,7 +1490,7 @@ sp_item_event(SPItem *item, SPEvent *event) * gradients, patterns as sp_item_write_transform does. */ void -sp_item_set_item_transform(SPItem *item, NR::Matrix const &transform) +sp_item_set_item_transform(SPItem *item, Geom::Matrix const &transform) { g_return_if_fail(item != NULL); g_return_if_fail(SP_IS_ITEM(item)); @@ -1273,35 +1504,52 @@ sp_item_set_item_transform(SPItem *item, NR::Matrix const &transform) } } +void +sp_item_convert_item_to_guides(SPItem *item) { + g_return_if_fail(item != NULL); + g_return_if_fail(SP_IS_ITEM(item)); + + /* Use derived method if present ... */ + if (((SPItemClass *) G_OBJECT_GET_CLASS(item))->convert_to_guides) { + (*((SPItemClass *) G_OBJECT_GET_CLASS(item))->convert_to_guides)(item); + return; + } + + /* .. otherwise simply place the guides around the item's bounding box */ + + sp_item_convert_to_guides(item); +} + /** * \pre \a ancestor really is an ancestor (\>=) of \a object, or NULL. * ("Ancestor (\>=)" here includes as far as \a object itself.) */ -NR::Matrix +Geom::Matrix i2anc_affine(SPObject const *object, SPObject const *const ancestor) { - NR::Matrix ret(NR::identity()); + Geom::Matrix ret(Geom::identity()); g_return_val_if_fail(object != NULL, ret); /* stop at first non-renderable ancestor */ while ( object != ancestor && SP_IS_ITEM(object) ) { if (SP_IS_ROOT(object)) { ret *= SP_ROOT(object)->c2p; + } else { + ret *= SP_ITEM(object)->transform; } - ret *= SP_ITEM(object)->transform; object = SP_OBJECT_PARENT(object); } return ret; } -NR::Matrix +Geom::Matrix i2i_affine(SPObject const *src, SPObject const *dest) { - g_return_val_if_fail(src != NULL && dest != NULL, NR::identity()); + g_return_val_if_fail(src != NULL && dest != NULL, Geom::identity()); SPObject const *ancestor = src->nearestCommonAncestor(dest); - return i2anc_affine(src, ancestor) / i2anc_affine(dest, ancestor); + return i2anc_affine(src, ancestor) * i2anc_affine(dest, ancestor).inverse(); } -NR::Matrix SPItem::getRelativeTransform(SPObject const *dest) const { +Geom::Matrix SPItem::getRelativeTransform(SPObject const *dest) const { return i2i_affine(this, dest); } @@ -1309,102 +1557,47 @@ NR::Matrix SPItem::getRelativeTransform(SPObject const *dest) const { * Returns the accumulated transformation of the item and all its ancestors, including root's viewport. * \pre (item != NULL) and SP_IS_ITEM(item). */ -NR::Matrix sp_item_i2doc_affine(SPItem const *item) +Geom::Matrix sp_item_i2doc_affine(SPItem const *item) { return i2anc_affine(item, NULL); } /** - * Returns the accumulated transformation of the item and all its ancestors, but excluding root's viewport. - * Used in path operations mostly. - * \pre (item != NULL) and SP_IS_ITEM(item). + * Returns the transformation from item to desktop coords */ -NR::Matrix sp_item_i2root_affine(SPItem const *item) -{ - g_assert(item != NULL); - g_assert(SP_IS_ITEM(item)); - - NR::Matrix ret(NR::identity()); - g_assert(ret.test_identity()); - while ( NULL != SP_OBJECT_PARENT(item) ) { - ret *= item->transform; - item = SP_ITEM(SP_OBJECT_PARENT(item)); - } - g_assert(SP_IS_ROOT(item)); - - ret *= item->transform; - - return ret; -} - -/* fixme: This is EVIL!!! */ - -NR::Matrix sp_item_i2d_affine(SPItem const *item) +Geom::Matrix sp_item_i2d_affine(SPItem const *item) { g_assert(item != NULL); g_assert(SP_IS_ITEM(item)); - NR::Matrix const ret( sp_item_i2doc_affine(item) - * NR::scale(1, -1) - * NR::translate(0, sp_document_height(SP_OBJECT_DOCUMENT(item))) ); - return ret; -} - -// same as i2d but with i2root instead of i2doc -NR::Matrix sp_item_i2r_affine(SPItem const *item) -{ - g_assert(item != NULL); - g_assert(SP_IS_ITEM(item)); - - NR::Matrix const ret( sp_item_i2root_affine(item) - * NR::scale(1, -1) - * NR::translate(0, sp_document_height(SP_OBJECT_DOCUMENT(item))) ); - return ret; -} - -/** - * Converts a matrix \a m into the desktop coords of the \a item. - * Will become a noop when we eliminate the coordinate flipping. - */ -NR::Matrix matrix_to_desktop(NR::Matrix const m, SPItem const *item) -{ - NR::Matrix const ret(m - * NR::translate(0, -sp_document_height(SP_OBJECT_DOCUMENT(item))) - * NR::scale(1, -1)); - return ret; -} - -/** - * Converts a matrix \a m from the desktop coords of the \a item. - * Will become a noop when we eliminate the coordinate flipping. - */ -NR::Matrix matrix_from_desktop(NR::Matrix const m, SPItem const *item) -{ - NR::Matrix const ret(NR::scale(1, -1) - * NR::translate(0, sp_document_height(SP_OBJECT_DOCUMENT(item))) - * m); + Geom::Matrix const ret( sp_item_i2doc_affine(item) + * Geom::Scale(1, -1) + * Geom::Translate(0, sp_document_height(SP_OBJECT_DOCUMENT(item))) ); return ret; } -void sp_item_set_i2d_affine(SPItem *item, NR::Matrix const &i2dt) +void sp_item_set_i2d_affine(SPItem *item, Geom::Matrix const &i2dt) { g_return_if_fail( item != NULL ); g_return_if_fail( SP_IS_ITEM(item) ); - NR::Matrix dt2p; /* desktop to item parent transform */ + Geom::Matrix dt2p; /* desktop to item parent transform */ if (SP_OBJECT_PARENT(item)) { dt2p = sp_item_i2d_affine((SPItem *) SP_OBJECT_PARENT(item)).inverse(); } else { - dt2p = ( NR::translate(0, -sp_document_height(SP_OBJECT_DOCUMENT(item))) - * NR::scale(1, -1) ); + dt2p = ( Geom::Translate(0, -sp_document_height(SP_OBJECT_DOCUMENT(item))) + * Geom::Scale(1, -1) ); } - NR::Matrix const i2p( i2dt * dt2p ); + Geom::Matrix const i2p( i2dt * dt2p ); sp_item_set_item_transform(item, i2p); } -NR::Matrix +/** + * should rather be named "sp_item_d2i_affine" to match "sp_item_i2d_affine" (or vice versa) + */ +Geom::Matrix sp_item_dt2i_affine(SPItem const *item) { /* fixme: Implement the right way (Lauris) */ @@ -1428,7 +1621,7 @@ sp_item_view_new_prepend(SPItemView *list, SPItem *item, unsigned flags, unsigne new_view->next = list; new_view->flags = flags; new_view->key = key; - new_view->arenaitem = nr_arena_item_ref(arenaitem); + new_view->arenaitem = arenaitem; return new_view; } @@ -1484,6 +1677,37 @@ sp_item_first_item_child (SPObject *obj) return NULL; } +void +sp_item_convert_to_guides(SPItem *item) { + SPDesktop *dt = inkscape_active_desktop(); + SPNamedView *nv = sp_desktop_namedview(dt); + (void)nv; + + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + int prefs_bbox = prefs->getInt("/tools/bounding_box", 0); + SPItem::BBoxType bbox_type = (prefs_bbox ==0)? + SPItem::APPROXIMATE_BBOX : SPItem::GEOMETRIC_BBOX; + + Geom::OptRect bbox = sp_item_bbox_desktop(item, bbox_type); + if (!bbox) { + g_warning ("Cannot determine item's bounding box during conversion to guides.\n"); + return; + } + + std::list > pts; + + Geom::Point A((*bbox).min()); + Geom::Point C((*bbox).max()); + Geom::Point B(A[Geom::X], C[Geom::Y]); + Geom::Point D(C[Geom::X], A[Geom::Y]); + + pts.push_back(std::make_pair(A, B)); + pts.push_back(std::make_pair(B, C)); + pts.push_back(std::make_pair(C, D)); + pts.push_back(std::make_pair(D, A)); + + sp_guide_pt_pairs_to_guides(dt, pts); +} /* Local Variables: