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Diffstat (limited to 'src/sp-item.cpp')
| -rw-r--r-- | src/sp-item.cpp | 1733 |
1 files changed, 0 insertions, 1733 deletions
diff --git a/src/sp-item.cpp b/src/sp-item.cpp deleted file mode 100644 index 3fef28e5b..000000000 --- a/src/sp-item.cpp +++ /dev/null @@ -1,1733 +0,0 @@ -/* - * Authors: - * Lauris Kaplinski <lauris@kaplinski.com> - * bulia byak <buliabyak@users.sf.net> - * Johan Engelen <j.b.c.engelen@ewi.utwente.nl> - * Abhishek Sharma - * Jon A. Cruz <jon@joncruz.org> - * - * Copyright (C) 2001-2006 authors - * Copyright (C) 2001 Ximian, Inc. - * - * Released under GNU GPL, read the file 'COPYING' for more information - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "sp-item.h" - -#include <glibmm/i18n.h> - -#include "bad-uri-exception.h" -#include "svg/svg.h" -#include "print.h" -#include "display/drawing-item.h" -#include "attributes.h" -#include "document.h" -#include "uri.h" -#include "inkscape.h" -#include "desktop.h" -#include "style.h" -#include "sp-root.h" -#include "sp-clippath.h" -#include "sp-mask.h" -#include "sp-rect.h" -#include "sp-text.h" -#include "sp-textpath.h" -#include "sp-item-rm-unsatisfied-cns.h" -#include "sp-pattern.h" -#include "sp-switch.h" -#include "gradient-chemistry.h" -#include "conn-avoid-ref.h" -#include "conditions.h" -#include "filter-chemistry.h" -#include "sp-guide.h" -#include "sp-title.h" -#include "sp-desc.h" - -#include "util/find-last-if.h" -#include "util/reverse-list.h" - -#include "extract-uri.h" - -#include "live_effects/lpeobject.h" -#include "live_effects/effect.h" -#include "live_effects/lpeobject-reference.h" - -#include "util/units.h" - -#define noSP_ITEM_DEBUG_IDLE - -//#define OBJECT_TRACE - -static SPItemView* sp_item_view_list_remove(SPItemView *list, - SPItemView *view); - - -SPItem::SPItem() : SPObject() { - - sensitive = TRUE; - bbox_valid = FALSE; - - _highlightColor = NULL; - - transform_center_x = 0; - transform_center_y = 0; - - freeze_stroke_width = false; - _is_evaluated = true; - _evaluated_status = StatusUnknown; - - transform = Geom::identity(); - // doc_bbox = Geom::OptRect(); - - display = NULL; - - clip_ref = new SPClipPathReference(this); - clip_ref->changedSignal().connect(sigc::bind(sigc::ptr_fun(clip_ref_changed), this)); - - mask_ref = new SPMaskReference(this); - mask_ref->changedSignal().connect(sigc::bind(sigc::ptr_fun(mask_ref_changed), this)); - - style->signal_fill_ps_changed.connect(sigc::bind(sigc::ptr_fun(fill_ps_ref_changed), this)); - style->signal_stroke_ps_changed.connect(sigc::bind(sigc::ptr_fun(stroke_ps_ref_changed), this)); - - avoidRef = new SPAvoidRef(this); -} - -SPItem::~SPItem() { -} - -bool SPItem::isVisibleAndUnlocked() const { - return (!isHidden() && !isLocked()); -} - -bool SPItem::isVisibleAndUnlocked(unsigned display_key) const { - return (!isHidden(display_key) && !isLocked()); -} - -bool SPItem::isLocked() const { - for (SPObject const *o = this; o != NULL; o = o->parent) { - SPItem const *item = dynamic_cast<SPItem const *>(o); - if (item && !(item->sensitive)) { - return true; - } - } - return false; -} - -void SPItem::setLocked(bool locked) { - setAttribute("sodipodi:insensitive", - ( locked ? "1" : NULL )); - updateRepr(); - document->_emitModified(); -} - -bool SPItem::isHidden() const { - if (!isEvaluated()) - return true; - return style->display.computed == SP_CSS_DISPLAY_NONE; -} - -void SPItem::setHidden(bool hide) { - style->display.set = TRUE; - style->display.value = ( hide ? SP_CSS_DISPLAY_NONE : SP_CSS_DISPLAY_INLINE ); - style->display.computed = style->display.value; - style->display.inherit = FALSE; - updateRepr(); -} - -bool SPItem::isHidden(unsigned display_key) const { - if (!isEvaluated()) - return true; - for ( SPItemView *view(display) ; view ; view = view->next ) { - if ( view->key == display_key ) { - g_assert(view->arenaitem != NULL); - for ( Inkscape::DrawingItem *arenaitem = view->arenaitem ; - arenaitem ; arenaitem = arenaitem->parent() ) - { - if (!arenaitem->visible()) { - return true; - } - } - return false; - } - } - return true; -} - -bool SPItem::isHighlightSet() const { - return _highlightColor != NULL; -} - -guint32 SPItem::highlight_color() const { - if (_highlightColor) - { - return atoi(_highlightColor) | 0x00000000; - } - else { - SPItem const *item = dynamic_cast<SPItem const *>(parent); - if (parent && (parent != this) && item) - { - return item->highlight_color(); - } - else - { - static Inkscape::Preferences *prefs = Inkscape::Preferences::get(); - return prefs->getInt("/tools/nodes/highlight_color", 0xff0000ff) | 0x00000000; - } - } -} - -void SPItem::setEvaluated(bool evaluated) { - _is_evaluated = evaluated; - _evaluated_status = StatusSet; -} - -void SPItem::resetEvaluated() { - if ( StatusCalculated == _evaluated_status ) { - _evaluated_status = StatusUnknown; - bool oldValue = _is_evaluated; - if ( oldValue != isEvaluated() ) { - requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG); - } - } if ( StatusSet == _evaluated_status ) { - SPSwitch *switchItem = dynamic_cast<SPSwitch *>(parent); - if (switchItem) { - switchItem->resetChildEvaluated(); - } - } -} - -bool SPItem::isEvaluated() const { - if ( StatusUnknown == _evaluated_status ) { - _is_evaluated = sp_item_evaluate(this); - _evaluated_status = StatusCalculated; - } - return _is_evaluated; -} - -bool SPItem::isExplicitlyHidden() const -{ - return (style->display.set - && style->display.value == SP_CSS_DISPLAY_NONE); -} - -void SPItem::setExplicitlyHidden(bool val) { - style->display.set = val; - style->display.value = ( val ? SP_CSS_DISPLAY_NONE : SP_CSS_DISPLAY_INLINE ); - style->display.computed = style->display.value; - updateRepr(); -} - -void SPItem::setCenter(Geom::Point const &object_centre) { - document->ensureUpToDate(); - - // Copied from DocumentProperties::onDocUnitChange() - gdouble viewscale = 1.0; - Geom::Rect vb = this->document->getRoot()->viewBox; - if ( !vb.hasZeroArea() ) { - gdouble viewscale_w = this->document->getWidth().value("px") / vb.width(); - gdouble viewscale_h = this->document->getHeight().value("px")/ vb.height(); - viewscale = std::min(viewscale_h, viewscale_w); - } - - // FIXME this is seriously wrong - Geom::OptRect bbox = desktopGeometricBounds(); - if (bbox) { - // object centre is document coordinates (i.e. in pixels), so we need to consider the viewbox - // to translate to user units; transform_center_x/y is in user units - transform_center_x = (object_centre[Geom::X] - bbox->midpoint()[Geom::X])/viewscale; - if (Geom::are_near(transform_center_x, 0)) // rounding error - transform_center_x = 0; - transform_center_y = (object_centre[Geom::Y] - bbox->midpoint()[Geom::Y])/viewscale; - if (Geom::are_near(transform_center_y, 0)) // rounding error - transform_center_y = 0; - } -} - -void -SPItem::unsetCenter() { - transform_center_x = 0; - transform_center_y = 0; -} - -bool SPItem::isCenterSet() const { - return (transform_center_x != 0 || transform_center_y != 0); -} - -// Get the item's transformation center in document coordinates (i.e. in pixels) -Geom::Point SPItem::getCenter() const { - document->ensureUpToDate(); - - // Copied from DocumentProperties::onDocUnitChange() - gdouble viewscale = 1.0; - Geom::Rect vb = this->document->getRoot()->viewBox; - if ( !vb.hasZeroArea() ) { - gdouble viewscale_w = this->document->getWidth().value("px") / vb.width(); - gdouble viewscale_h = this->document->getHeight().value("px")/ vb.height(); - viewscale = std::min(viewscale_h, viewscale_w); - } - - // FIXME this is seriously wrong - Geom::OptRect bbox = desktopGeometricBounds(); - if (bbox) { - // transform_center_x/y are stored in user units, so we have to take the viewbox into account to translate to document coordinates - return bbox->midpoint() + Geom::Point (transform_center_x*viewscale, transform_center_y*viewscale); - - } else { - return Geom::Point(0, 0); // something's wrong! - } - -} - -void -SPItem::scaleCenter(Geom::Scale const &sc) { - transform_center_x *= sc[Geom::X]; - transform_center_y *= sc[Geom::Y]; -} - -namespace { - -bool is_item(SPObject const &object) { - return dynamic_cast<SPItem const *>(&object) != NULL; -} - -} - -void SPItem::raiseToTop() { - using Inkscape::Algorithms::find_last_if; - - auto topmost = find_last_if(++parent->children.iterator_to(*this), parent->children.end(), &is_item); - if (topmost != parent->children.end()) { - getRepr()->parent()->changeOrder( getRepr(), topmost->getRepr() ); - } -} - -bool SPItem::raiseOne() { - auto next_higher = std::find_if(++parent->children.iterator_to(*this), parent->children.end(), &is_item); - if (next_higher != parent->children.end()) { - Inkscape::XML::Node *ref = next_higher->getRepr(); - getRepr()->parent()->changeOrder(getRepr(), ref); - return true; - } - return false; -} - -bool SPItem::lowerOne() { - using Inkscape::Algorithms::find_last_if; - - auto next_lower = find_last_if(parent->children.begin(), parent->children.iterator_to(*this), &is_item); - if (next_lower != parent->children.iterator_to(*this)) { - Inkscape::XML::Node *ref = nullptr; - if (next_lower != parent->children.begin()) { - next_lower--; - ref = next_lower->getRepr(); - } - getRepr()->parent()->changeOrder(getRepr(), ref); - return true; - } - return false; -} - -void SPItem::lowerToBottom() { - auto bottom = std::find_if(parent->children.begin(), parent->children.iterator_to(*this), &is_item); - if (bottom != parent->children.iterator_to(*this)) { - Inkscape::XML::Node *ref = nullptr; - if (bottom != parent->children.begin()) { - bottom--; - ref = bottom->getRepr(); - } - parent->getRepr()->changeOrder(getRepr(), ref); - } -} - -void SPItem::moveTo(SPItem *target, bool intoafter) { - - Inkscape::XML::Node *target_ref = ( target ? target->getRepr() : NULL ); - Inkscape::XML::Node *our_ref = getRepr(); - - if (!target_ref) { - // Assume move to the "first" in the top node, find the top node - intoafter = false; - SPObject* bottom = this->document->getObjectByRepr(our_ref->root())->firstChild(); - while(!dynamic_cast<SPItem*>(bottom->getNext())){ - bottom = bottom->getNext(); - } - target_ref = bottom->getRepr(); - } - - if (target_ref == our_ref) { - // Move to ourself ignore - return; - } - - if (intoafter) { - // Move this inside of the target at the end - our_ref->parent()->removeChild(our_ref); - target_ref->addChild(our_ref, NULL); - } else if (target_ref->parent() != our_ref->parent()) { - // Change in parent, need to remove and add - our_ref->parent()->removeChild(our_ref); - target_ref->parent()->addChild(our_ref, target_ref); - } else { - // Same parent, just move - our_ref->parent()->changeOrder(our_ref, target_ref); - } -} - -void SPItem::build(SPDocument *document, Inkscape::XML::Node *repr) { - SPItem* object = this; - - object->readAttr( "style" ); - object->readAttr( "transform" ); - object->readAttr( "clip-path" ); - object->readAttr( "mask" ); - object->readAttr( "sodipodi:insensitive" ); - object->readAttr( "inkscape:transform-center-x" ); - object->readAttr( "inkscape:transform-center-y" ); - object->readAttr( "inkscape:connector-avoid" ); - object->readAttr( "inkscape:connection-points" ); - object->readAttr( "inkscape:highlight-color" ); - - SPObject::build(document, repr); -} - -void SPItem::release() { - SPItem* item = this; - - // Note: do this here before the clip_ref is deleted, since calling - // ensureUpToDate() for triggered routing may reference - // the deleted clip_ref. - delete item->avoidRef; - - // we do NOT disconnect from the changed signal of those before deletion. - // The destructor will call *_ref_changed with NULL as the new value, - // which will cause the hide() function to be called. - delete item->clip_ref; - delete item->mask_ref; - - SPObject::release(); - - SPPaintServer *fill_ps = style->getFillPaintServer(); - SPPaintServer *stroke_ps = style->getStrokePaintServer(); - while (item->display) { - if (fill_ps) { - fill_ps->hide(item->display->arenaitem->key()); - } - if (stroke_ps) { - stroke_ps->hide(item->display->arenaitem->key()); - } - item->display = sp_item_view_list_remove(item->display, item->display); - } - - //item->_transformed_signal.~signal(); -} - -void SPItem::set(unsigned int key, gchar const* value) { - SPItem *item = this; - SPItem* object = item; - - switch (key) { - case SP_ATTR_TRANSFORM: { - Geom::Affine t; - if (value && sp_svg_transform_read(value, &t)) { - item->set_item_transform(t); - } else { - item->set_item_transform(Geom::identity()); - } - break; - } - case SP_PROP_CLIP_PATH: { - gchar *uri = extract_uri(value); - if (uri) { - try { - item->clip_ref->attach(Inkscape::URI(uri)); - } catch (Inkscape::BadURIException &e) { - g_warning("%s", e.what()); - item->clip_ref->detach(); - } - g_free(uri); - } else { - item->clip_ref->detach(); - } - - break; - } - case SP_PROP_MASK: { - gchar *uri = extract_uri(value); - if (uri) { - try { - item->mask_ref->attach(Inkscape::URI(uri)); - } catch (Inkscape::BadURIException &e) { - g_warning("%s", e.what()); - item->mask_ref->detach(); - } - g_free(uri); - } else { - item->mask_ref->detach(); - } - - break; - } - case SP_ATTR_SODIPODI_INSENSITIVE: - { - item->sensitive = !value; - for (SPItemView *v = item->display; v != NULL; v = v->next) { - v->arenaitem->setSensitive(item->sensitive); - } - break; - } - case SP_ATTR_INKSCAPE_HIGHLIGHT_COLOR: - { - g_free(item->_highlightColor); - if (value) { - item->_highlightColor = g_strdup(value); - } else { - item->_highlightColor = NULL; - } - break; - } - case SP_ATTR_CONNECTOR_AVOID: - item->avoidRef->setAvoid(value); - break; - case SP_ATTR_TRANSFORM_CENTER_X: - if (value) { - item->transform_center_x = g_strtod(value, NULL); - } else { - item->transform_center_x = 0; - } - object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - break; - case SP_ATTR_TRANSFORM_CENTER_Y: - if (value) { - item->transform_center_y = g_strtod(value, NULL); - } else { - item->transform_center_y = 0; - } - object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - break; - case SP_PROP_SYSTEM_LANGUAGE: - case SP_PROP_REQUIRED_FEATURES: - case SP_PROP_REQUIRED_EXTENSIONS: - { - item->resetEvaluated(); - // pass to default handler - } - default: - if (SP_ATTRIBUTE_IS_CSS(key)) { - style->readFromObject( this ); - object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG); - } else { - SPObject::set(key, value); - } - break; - } -} - -void SPItem::clip_ref_changed(SPObject *old_clip, SPObject *clip, SPItem *item) -{ - item->bbox_valid = FALSE; // force a re-evaluation - if (old_clip) { - SPItemView *v; - /* Hide clippath */ - for (v = item->display; v != NULL; v = v->next) { - SPClipPath *oldPath = dynamic_cast<SPClipPath *>(old_clip); - g_assert(oldPath != NULL); - oldPath->hide(v->arenaitem->key()); - } - } - SPClipPath *clipPath = dynamic_cast<SPClipPath *>(clip); - if (clipPath) { - Geom::OptRect bbox = item->geometricBounds(); - for (SPItemView *v = item->display; v != NULL; v = v->next) { - if (!v->arenaitem->key()) { - v->arenaitem->setKey(SPItem::display_key_new(3)); - } - Inkscape::DrawingItem *ai = clipPath->show( - v->arenaitem->drawing(), - v->arenaitem->key()); - v->arenaitem->setClip(ai); - clipPath->setBBox(v->arenaitem->key(), bbox); - clip->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - } - } - item->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -void SPItem::mask_ref_changed(SPObject *old_mask, SPObject *mask, SPItem *item) -{ - if (old_mask) { - /* Hide mask */ - for (SPItemView *v = item->display; v != NULL; v = v->next) { - SPMask *maskItem = dynamic_cast<SPMask *>(old_mask); - g_assert(maskItem != NULL); - maskItem->sp_mask_hide(v->arenaitem->key()); - } - } - SPMask *maskItem = dynamic_cast<SPMask *>(mask); - if (maskItem) { - Geom::OptRect bbox = item->geometricBounds(); - for (SPItemView *v = item->display; v != NULL; v = v->next) { - if (!v->arenaitem->key()) { - v->arenaitem->setKey(SPItem::display_key_new(3)); - } - Inkscape::DrawingItem *ai = maskItem->sp_mask_show( - v->arenaitem->drawing(), - v->arenaitem->key()); - v->arenaitem->setMask(ai); - maskItem->sp_mask_set_bbox(v->arenaitem->key(), bbox); - mask->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - } - } -} - -void SPItem::fill_ps_ref_changed(SPObject *old_ps, SPObject *ps, SPItem *item) { - SPPaintServer *old_fill_ps = dynamic_cast<SPPaintServer *>(old_ps); - if (old_fill_ps) { - for (SPItemView *v =item->display; v != NULL; v = v->next) { - old_fill_ps->hide(v->arenaitem->key()); - } - } - - SPPaintServer *new_fill_ps = dynamic_cast<SPPaintServer *>(ps); - if (new_fill_ps) { - Geom::OptRect bbox = item->geometricBounds(); - for (SPItemView *v = item->display; v != NULL; v = v->next) { - if (!v->arenaitem->key()) { - v->arenaitem->setKey(SPItem::display_key_new(3)); - } - Inkscape::DrawingPattern *pi = new_fill_ps->show( - v->arenaitem->drawing(), v->arenaitem->key(), bbox); - v->arenaitem->setFillPattern(pi); - if (pi) { - new_fill_ps->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - } - } - } -} - -void SPItem::stroke_ps_ref_changed(SPObject *old_ps, SPObject *ps, SPItem *item) { - SPPaintServer *old_stroke_ps = dynamic_cast<SPPaintServer *>(old_ps); - if (old_stroke_ps) { - for (SPItemView *v =item->display; v != NULL; v = v->next) { - old_stroke_ps->hide(v->arenaitem->key()); - } - } - - SPPaintServer *new_stroke_ps = dynamic_cast<SPPaintServer *>(ps); - if (new_stroke_ps) { - Geom::OptRect bbox = item->geometricBounds(); - for (SPItemView *v = item->display; v != NULL; v = v->next) { - if (!v->arenaitem->key()) { - v->arenaitem->setKey(SPItem::display_key_new(3)); - } - Inkscape::DrawingPattern *pi = new_stroke_ps->show( - v->arenaitem->drawing(), v->arenaitem->key(), bbox); - v->arenaitem->setStrokePattern(pi); - if (pi) { - new_stroke_ps->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - } - } - } -} - -void SPItem::update(SPCtx* ctx, guint flags) { - - SPItemCtx const *ictx = reinterpret_cast<SPItemCtx const *>(ctx); - - // Any of the modifications defined in sp-object.h might change bbox, - // so we invalidate it unconditionally - bbox_valid = FALSE; - - viewport = ictx->viewport; // Cache viewport - - if (flags & (SP_OBJECT_CHILD_MODIFIED_FLAG | - SP_OBJECT_MODIFIED_FLAG | - SP_OBJECT_STYLE_MODIFIED_FLAG) ) { - if (flags & SP_OBJECT_MODIFIED_FLAG) { - for (SPItemView *v = display; v != NULL; v = v->next) { - v->arenaitem->setTransform(transform); - } - } - - SPClipPath *clip_path = clip_ref ? clip_ref->getObject() : NULL; - SPMask *mask = mask_ref ? mask_ref->getObject() : NULL; - - if ( clip_path || mask ) { - Geom::OptRect bbox = geometricBounds(); - if (clip_path) { - for (SPItemView *v = display; v != NULL; v = v->next) { - clip_path->setBBox(v->arenaitem->key(), bbox); - } - } - if (mask) { - for (SPItemView *v = display; v != NULL; v = v->next) { - mask->sp_mask_set_bbox(v->arenaitem->key(), bbox); - } - } - } - - if (flags & SP_OBJECT_STYLE_MODIFIED_FLAG) { - for (SPItemView *v = display; v != NULL; v = v->next) { - v->arenaitem->setOpacity(SP_SCALE24_TO_FLOAT(style->opacity.value)); - v->arenaitem->setAntialiasing(style->shape_rendering.computed == SP_CSS_SHAPE_RENDERING_CRISPEDGES ? 0 : 2); - v->arenaitem->setIsolation( style->isolation.value ); - v->arenaitem->setBlendMode( style->mix_blend_mode.value ); - v->arenaitem->setVisible(!isHidden()); - } - } - } - /* Update bounding box in user space, used for filter and objectBoundingBox units */ - if (style->filter.set && display) { - Geom::OptRect item_bbox = geometricBounds(); - SPItemView *itemview = display; - do { - if (itemview->arenaitem) - itemview->arenaitem->setItemBounds(item_bbox); - } while ( (itemview = itemview->next) ); - } - - // Update libavoid with item geometry (for connector routing). - if (avoidRef && document) { - avoidRef->handleSettingChange(); - } -} - -void SPItem::modified(unsigned int /*flags*/) -{ -#ifdef OBJECT_TRACE - objectTrace( "SPItem::modified" ); - objectTrace( "SPItem::modified", false ); -#endif -} - -Inkscape::XML::Node* SPItem::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) { - SPItem *item = this; - SPItem* object = item; - - // 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) { - std::vector<Inkscape::XML::Node *>l; - for (auto& child: object->children) { - if (dynamic_cast<SPTitle *>(&child) || dynamic_cast<SPDesc *>(&child)) { - Inkscape::XML::Node *crepr = child.updateRepr(xml_doc, NULL, flags); - if (crepr) { - l.push_back(crepr); - } - } - } - for (auto i = l.rbegin(); i!= l.rend(); ++i) { - repr->addChild(*i, NULL); - Inkscape::GC::release(*i); - } - } else { - for (auto& child: object->children) { - if (dynamic_cast<SPTitle *>(&child) || dynamic_cast<SPDesc *>(&child)) { - child.updateRepr(flags); - } - } - } - - gchar *c = sp_svg_transform_write(item->transform); - repr->setAttribute("transform", c); - g_free(c); - - if (flags & SP_OBJECT_WRITE_EXT) { - repr->setAttribute("sodipodi:insensitive", ( item->sensitive ? NULL : "true" )); - if (item->transform_center_x != 0) - sp_repr_set_svg_double (repr, "inkscape:transform-center-x", item->transform_center_x); - else - repr->setAttribute ("inkscape:transform-center-x", NULL); - if (item->transform_center_y != 0) - sp_repr_set_svg_double (repr, "inkscape:transform-center-y", item->transform_center_y); - else - repr->setAttribute ("inkscape:transform-center-y", NULL); - } - - if (item->clip_ref){ - if (item->clip_ref->getObject()) { - gchar *uri = item->clip_ref->getURI()->toString(); - const gchar *value = g_strdup_printf ("url(%s)", uri); - repr->setAttribute ("clip-path", value); - g_free ((void *) value); - g_free ((void *) uri); - } - } - if (item->mask_ref){ - if (item->mask_ref->getObject()) { - gchar *uri = item->mask_ref->getURI()->toString(); - const gchar *value = g_strdup_printf ("url(%s)", uri); - repr->setAttribute ("mask", value); - g_free ((void *) value); - g_free ((void *) uri); - } - } - if (item->_highlightColor){ - repr->setAttribute("inkscape:highlight-color", item->_highlightColor); - } else { - repr->setAttribute("inkscape:highlight-color", NULL); - } - - SPObject::write(xml_doc, repr, flags); - - return repr; -} - -// CPPIFY: make pure virtual -Geom::OptRect SPItem::bbox(Geom::Affine const & /*transform*/, SPItem::BBoxType /*type*/) const { - //throw; - return Geom::OptRect(); -} - -Geom::OptRect SPItem::geometricBounds(Geom::Affine const &transform) const -{ - Geom::OptRect bbox; - - // call the subclass method - // CPPIFY - //bbox = this->bbox(transform, SPItem::GEOMETRIC_BBOX); - bbox = const_cast<SPItem*>(this)->bbox(transform, SPItem::GEOMETRIC_BBOX); - - return bbox; -} - -Geom::OptRect SPItem::visualBounds(Geom::Affine const &transform) const -{ - using Geom::X; - using Geom::Y; - - Geom::OptRect bbox; - - - SPFilter *filter = (style && style->filter.href) ? dynamic_cast<SPFilter *>(style->getFilter()) : NULL; - if ( filter ) { - // call the subclass method - // CPPIFY - //bbox = this->bbox(Geom::identity(), SPItem::VISUAL_BBOX); - bbox = const_cast<SPItem*>(this)->bbox(Geom::identity(), SPItem::GEOMETRIC_BBOX); // see LP Bug 1229971 - - // default filer area per the SVG spec: - SVGLength x, y, w, h; - Geom::Point minp, maxp; - x.set(SVGLength::PERCENT, -0.10, 0); - y.set(SVGLength::PERCENT, -0.10, 0); - w.set(SVGLength::PERCENT, 1.20, 0); - h.set(SVGLength::PERCENT, 1.20, 0); - - // if area is explicitly set, override: - if (filter->x._set) - x = filter->x; - if (filter->y._set) - y = filter->y; - if (filter->width._set) - w = filter->width; - if (filter->height._set) - h = filter->height; - - double len_x = bbox ? bbox->width() : 0; - double len_y = bbox ? bbox->height() : 0; - - x.update(12, 6, len_x); - y.update(12, 6, len_y); - w.update(12, 6, len_x); - h.update(12, 6, len_y); - - if (filter->filterUnits == SP_FILTER_UNITS_OBJECTBOUNDINGBOX && bbox) { - minp[X] = bbox->left() + x.computed * (x.unit == SVGLength::PERCENT ? 1.0 : len_x); - maxp[X] = minp[X] + w.computed * (w.unit == SVGLength::PERCENT ? 1.0 : len_x); - minp[Y] = bbox->top() + y.computed * (y.unit == SVGLength::PERCENT ? 1.0 : len_y); - maxp[Y] = minp[Y] + h.computed * (h.unit == SVGLength::PERCENT ? 1.0 : len_y); - } else if (filter->filterUnits == SP_FILTER_UNITS_USERSPACEONUSE) { - minp[X] = x.computed; - maxp[X] = minp[X] + w.computed; - minp[Y] = y.computed; - maxp[Y] = minp[Y] + h.computed; - } - bbox = Geom::OptRect(minp, maxp); - *bbox *= transform; - } else { - // call the subclass method - // CPPIFY - //bbox = this->bbox(transform, SPItem::VISUAL_BBOX); - bbox = const_cast<SPItem*>(this)->bbox(transform, SPItem::VISUAL_BBOX); - } - if (clip_ref->getObject()) { - SPItem *ownerItem = dynamic_cast<SPItem *>(clip_ref->getOwner()); - g_assert(ownerItem != NULL); - ownerItem->bbox_valid = FALSE; // LP Bug 1349018 - bbox.intersectWith(clip_ref->getObject()->geometricBounds(transform)); - } - - return bbox; -} - -Geom::OptRect SPItem::bounds(BBoxType type, Geom::Affine const &transform) const -{ - if (type == GEOMETRIC_BBOX) { - return geometricBounds(transform); - } else { - return visualBounds(transform); - } -} - -Geom::OptRect SPItem::documentPreferredBounds() const -{ - if (Inkscape::Preferences::get()->getInt("/tools/bounding_box") == 0) { - return documentBounds(SPItem::VISUAL_BBOX); - } else { - return documentBounds(SPItem::GEOMETRIC_BBOX); - } -} - - - -Geom::OptRect SPItem::documentGeometricBounds() const -{ - return geometricBounds(i2doc_affine()); -} - -Geom::OptRect SPItem::documentVisualBounds() const -{ - if (!bbox_valid) { - doc_bbox = visualBounds(i2doc_affine()); - bbox_valid = true; - } - return doc_bbox; -} -Geom::OptRect SPItem::documentBounds(BBoxType type) const -{ - if (type == GEOMETRIC_BBOX) { - return documentGeometricBounds(); - } else { - return documentVisualBounds(); - } -} - -Geom::OptRect SPItem::desktopGeometricBounds() const -{ - return geometricBounds(i2dt_affine()); -} - -Geom::OptRect SPItem::desktopVisualBounds() const -{ - /// @fixme hardcoded desktop transform - Geom::Affine m = Geom::Scale(1, -1) * Geom::Translate(0, document->getHeight().value("px")); - Geom::OptRect ret = documentVisualBounds(); - if (ret) *ret *= m; - return ret; -} - -Geom::OptRect SPItem::desktopPreferredBounds() const -{ - if (Inkscape::Preferences::get()->getInt("/tools/bounding_box") == 0) { - return desktopBounds(SPItem::VISUAL_BBOX); - } else { - return desktopBounds(SPItem::GEOMETRIC_BBOX); - } -} - -Geom::OptRect SPItem::desktopBounds(BBoxType type) const -{ - if (type == GEOMETRIC_BBOX) { - return desktopGeometricBounds(); - } else { - return desktopVisualBounds(); - } -} - -unsigned int SPItem::pos_in_parent() const { - g_assert(parent != NULL); - g_assert(SP_IS_OBJECT(parent)); - - unsigned int pos = 0; - - for (auto& iter: parent->children) { - if (&iter == this) { - return pos; - } - - if (dynamic_cast<SPItem *>(&iter)) { - pos++; - } - } - - g_assert_not_reached(); - return 0; -} - -// CPPIFY: make pure virtual, see below! -void SPItem::snappoints(std::vector<Inkscape::SnapCandidatePoint> & /*p*/, Inkscape::SnapPreferences const */*snapprefs*/) const { - //throw; -} - /* 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 - * do nothing - */ - -void SPItem::getSnappoints(std::vector<Inkscape::SnapCandidatePoint> &p, Inkscape::SnapPreferences const *snapprefs) const -{ - // Get the snappoints of the item - // CPPIFY - //this->snappoints(p, snapprefs); - const_cast<SPItem*>(this)->snappoints(p, snapprefs); - - // Get the snappoints at the item's center - if (snapprefs != NULL && snapprefs->isTargetSnappable(Inkscape::SNAPTARGET_ROTATION_CENTER)) { - p.push_back(Inkscape::SnapCandidatePoint(getCenter(), Inkscape::SNAPSOURCE_ROTATION_CENTER, Inkscape::SNAPTARGET_ROTATION_CENTER)); - } - - // Get the snappoints of clipping paths and mask, if any - std::list<SPObject const *> clips_and_masks; - - clips_and_masks.push_back(clip_ref->getObject()); - clips_and_masks.push_back(mask_ref->getObject()); - - SPDesktop *desktop = SP_ACTIVE_DESKTOP; - for (std::list<SPObject const *>::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(auto& child: (*o)->children) { - SPItem *item = dynamic_cast<SPItem *>(const_cast<SPObject*>(&child)); - if (item) { - std::vector<Inkscape::SnapCandidatePoint> p_clip_or_mask; - // Please note the recursive call here! - item->getSnappoints(p_clip_or_mask, snapprefs); - // Take into account the transformation of the item being clipped or masked - for (std::vector<Inkscape::SnapCandidatePoint>::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).getPoint()) * i2dt_affine(); - p.push_back(Inkscape::SnapCandidatePoint(pt, (*p_orig).getSourceType(), (*p_orig).getTargetType())); - } - } - } - } - } -} - -// CPPIFY: make pure virtual -void SPItem::print(SPPrintContext* /*ctx*/) { - //throw; -} - -void SPItem::invoke_print(SPPrintContext *ctx) -{ - if ( !isHidden() ) { - if (!transform.isIdentity() || style->opacity.value != SP_SCALE24_MAX) { - sp_print_bind(ctx, transform, SP_SCALE24_TO_FLOAT(style->opacity.value)); - this->print(ctx); - sp_print_release(ctx); - } else { - this->print(ctx); - } - } -} - -const char* SPItem::displayName() const { - return _("Object"); -} - -gchar* SPItem::description() const { - return g_strdup(""); -} - -gchar *SPItem::detailedDescription() const { - gchar* s = g_strdup_printf("<b>%s</b> %s", - this->displayName(), this->description()); - - if (s && clip_ref->getObject()) { - gchar *snew = g_strdup_printf (_("%s; <i>clipped</i>"), s); - g_free (s); - s = snew; - } - - if (s && mask_ref->getObject()) { - gchar *snew = g_strdup_printf (_("%s; <i>masked</i>"), s); - g_free (s); - s = snew; - } - - if ( style && style->filter.href && style->filter.href->getObject() ) { - const gchar *label = style->filter.href->getObject()->label(); - gchar *snew = 0; - - if (label) { - snew = g_strdup_printf (_("%s; <i>filtered (%s)</i>"), s, _(label)); - } else { - snew = g_strdup_printf (_("%s; <i>filtered</i>"), s); - } - - g_free (s); - s = snew; - } - - return s; -} - -bool SPItem::isFiltered() const { - return (style && style->filter.href && style->filter.href->getObject()); -} - -unsigned SPItem::display_key_new(unsigned numkeys) -{ - static unsigned dkey = 0; - - dkey += numkeys; - - return dkey - numkeys; -} - -// CPPIFY: make pure virtual -Inkscape::DrawingItem* SPItem::show(Inkscape::Drawing& /*drawing*/, unsigned int /*key*/, unsigned int /*flags*/) { - //throw; - return 0; -} - -Inkscape::DrawingItem *SPItem::invoke_show(Inkscape::Drawing &drawing, unsigned key, unsigned flags) -{ - Inkscape::DrawingItem *ai = NULL; - - ai = this->show(drawing, key, flags); - - if (ai != NULL) { - Geom::OptRect item_bbox = geometricBounds(); - - display = sp_item_view_new_prepend(display, this, flags, key, ai); - ai->setTransform(transform); - ai->setOpacity(SP_SCALE24_TO_FLOAT(style->opacity.value)); - ai->setIsolation( style->isolation.value ); - ai->setBlendMode( style->mix_blend_mode.value ); - //ai->setCompositeOperator( style->composite_op.value ); - ai->setVisible(!isHidden()); - ai->setSensitive(sensitive); - if (clip_ref->getObject()) { - SPClipPath *cp = clip_ref->getObject(); - - if (!display->arenaitem->key()) { - display->arenaitem->setKey(display_key_new(3)); - } - int clip_key = display->arenaitem->key(); - - // Show and set clip - Inkscape::DrawingItem *ac = cp->show(drawing, clip_key); - ai->setClip(ac); - - // Update bbox, in case the clip uses bbox units - cp->setBBox(clip_key, item_bbox); - cp->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - } - if (mask_ref->getObject()) { - SPMask *mask = mask_ref->getObject(); - - if (!display->arenaitem->key()) { - display->arenaitem->setKey(display_key_new(3)); - } - int mask_key = display->arenaitem->key(); - - // Show and set mask - Inkscape::DrawingItem *ac = mask->sp_mask_show(drawing, mask_key); - ai->setMask(ac); - - // Update bbox, in case the mask uses bbox units - mask->sp_mask_set_bbox(mask_key, item_bbox); - mask->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - } - - SPPaintServer *fill_ps = style->getFillPaintServer(); - if (fill_ps) { - if (!display->arenaitem->key()) { - display->arenaitem->setKey(display_key_new(3)); - } - int fill_key = display->arenaitem->key(); - - Inkscape::DrawingPattern *ap = fill_ps->show(drawing, fill_key, item_bbox); - ai->setFillPattern(ap); - if (ap) { - fill_ps->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - } - } - SPPaintServer *stroke_ps = style->getStrokePaintServer(); - if (stroke_ps) { - if (!display->arenaitem->key()) { - display->arenaitem->setKey(display_key_new(3)); - } - int stroke_key = display->arenaitem->key(); - - Inkscape::DrawingPattern *ap = stroke_ps->show(drawing, stroke_key, item_bbox); - ai->setStrokePattern(ap); - if (ap) { - stroke_ps->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - } - } - ai->setData(this); - ai->setItemBounds(geometricBounds()); - } - - return ai; -} - -// CPPIFY: make pure virtual -void SPItem::hide(unsigned int /*key*/) { - //throw; -} - -void SPItem::invoke_hide(unsigned key) -{ - this->hide(key); - - SPItemView *ref = NULL; - SPItemView *v = display; - while (v != NULL) { - SPItemView *next = v->next; - if (v->key == key) { - if (clip_ref->getObject()) { - (clip_ref->getObject())->hide(v->arenaitem->key()); - v->arenaitem->setClip(NULL); - } - if (mask_ref->getObject()) { - mask_ref->getObject()->sp_mask_hide(v->arenaitem->key()); - v->arenaitem->setMask(NULL); - } - SPPaintServer *fill_ps = style->getFillPaintServer(); - if (fill_ps) { - fill_ps->hide(v->arenaitem->key()); - } - SPPaintServer *stroke_ps = style->getStrokePaintServer(); - if (stroke_ps) { - stroke_ps->hide(v->arenaitem->key()); - } - if (!ref) { - display = v->next; - } else { - ref->next = v->next; - } - delete v->arenaitem; - g_free(v); - } else { - ref = v; - } - v = next; - } -} - -// Adjusters - -void SPItem::adjust_pattern(Geom::Affine const &postmul, bool set, PatternTransform pt) -{ - bool fill = (pt == TRANSFORM_FILL || pt == TRANSFORM_BOTH); - if (fill && style && (style->fill.isPaintserver())) { - SPObject *server = style->getFillPaintServer(); - SPPattern *serverPatt = dynamic_cast<SPPattern *>(server); - if ( serverPatt ) { - SPPattern *pattern = serverPatt->clone_if_necessary(this, "fill"); - pattern->transform_multiply(postmul, set); - } - } - - bool stroke = (pt == TRANSFORM_STROKE || pt == TRANSFORM_BOTH); - if (stroke && style && (style->stroke.isPaintserver())) { - SPObject *server = style->getStrokePaintServer(); - SPPattern *serverPatt = dynamic_cast<SPPattern *>(server); - if ( serverPatt ) { - SPPattern *pattern = serverPatt->clone_if_necessary(this, "stroke"); - pattern->transform_multiply(postmul, set); - } - } -} - -void SPItem::adjust_gradient( Geom::Affine const &postmul, bool set ) -{ - if ( style && style->fill.isPaintserver() ) { - SPPaintServer *server = style->getFillPaintServer(); - SPGradient *serverGrad = dynamic_cast<SPGradient *>(server); - if ( serverGrad ) { - - /** - * \note Bbox units for a gradient are generally a bad idea because - * with them, you cannot preserve the relative position of the - * object and its gradient after rotation or skew. So now we - * convert them to userspace units which are easy to keep in sync - * just by adding the object's transform to gradientTransform. - * \todo FIXME: convert back to bbox units after transforming with - * the item, so as to preserve the original units. - */ - SPGradient *gradient = sp_gradient_convert_to_userspace( serverGrad, this, "fill" ); - - sp_gradient_transform_multiply( gradient, postmul, set ); - } - } - - if ( style && style->stroke.isPaintserver() ) { - SPPaintServer *server = style->getStrokePaintServer(); - SPGradient *serverGrad = dynamic_cast<SPGradient *>(server); - if ( serverGrad ) { - SPGradient *gradient = sp_gradient_convert_to_userspace( serverGrad, this, "stroke"); - sp_gradient_transform_multiply( gradient, postmul, set ); - } - } -} - -void SPItem::adjust_stroke( gdouble ex ) -{ - if (freeze_stroke_width) { - return; - } - - SPStyle *style = this->style; - - if (style && !Geom::are_near(ex, 1.0, Geom::EPSILON)) { - style->stroke_width.computed *= ex; - style->stroke_width.set = TRUE; - - if ( !style->stroke_dasharray.values.empty() ) { - for (unsigned i = 0; i < style->stroke_dasharray.values.size(); i++) { - style->stroke_dasharray.values[i] *= ex; - } - style->stroke_dashoffset.value *= ex; - } - - updateRepr(); - } -} - -/** - * Find out the inverse of previous transform of an item (from its repr) - */ -static Geom::Affine sp_item_transform_repr (SPItem *item) -{ - Geom::Affine t_old(Geom::identity()); - gchar const *t_attr = item->getRepr()->attribute("transform"); - if (t_attr) { - Geom::Affine t; - if (sp_svg_transform_read(t_attr, &t)) { - t_old = t; - } - } - - return t_old; -} - - -void SPItem::adjust_stroke_width_recursive(double expansion) -{ - adjust_stroke (expansion); - -// A clone's child is the ghost of its original - we must not touch it, skip recursion - if ( !dynamic_cast<SPUse *>(this) ) { - for (auto& o: children) { - SPItem *item = dynamic_cast<SPItem *>(&o); - if (item) { - item->adjust_stroke_width_recursive(expansion); - } - } - } -} - -void SPItem::freeze_stroke_width_recursive(bool freeze) -{ - freeze_stroke_width = freeze; - -// A clone's child is the ghost of its original - we must not touch it, skip recursion - if ( !dynamic_cast<SPUse *>(this) ) { - for (auto& o: children) { - SPItem *item = dynamic_cast<SPItem *>(&o); - if (item) { - item->freeze_stroke_width_recursive(freeze); - } - } - } -} - -/** - * Recursively adjust rx and ry of rects. - */ -static void -sp_item_adjust_rects_recursive(SPItem *item, Geom::Affine advertized_transform) -{ - SPRect *rect = dynamic_cast<SPRect *>(item); - if (rect) { - rect->compensateRxRy(advertized_transform); - } - - for(auto& o: item->children) { - SPItem *itm = dynamic_cast<SPItem *>(&o); - if (itm) { - sp_item_adjust_rects_recursive(itm, advertized_transform); - } - } -} - -void SPItem::adjust_paint_recursive (Geom::Affine advertized_transform, Geom::Affine 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: - Geom::Affine t_item = sp_item_transform_repr (this); - Geom::Affine 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 - -// we must not touch it - if (!(dynamic_cast<SPText *>(this) || dynamic_cast<SPUse *>(this))) { - for (auto& o: children) { - SPItem *item = dynamic_cast<SPItem *>(&o); - if (item) { -// At the level of the transformed item, t_ancestors is identity; -// below it, it is the accmmulated chain of transforms from this level to the top level - item->adjust_paint_recursive (advertized_transform, t_item * t_ancestors, is_pattern); - } - } - } - -// We recursed into children first, and are now adjusting this object second; -// this is so that adjustments in a tree are done from leaves up to the root, -// and paintservers on leaves inheriting their values from ancestors could adjust themselves properly -// before ancestors themselves are adjusted, probably differently (bug 1286535) - - if (is_pattern) { - adjust_pattern(paint_delta); - } else { - adjust_gradient(paint_delta); - } -} - -void SPItem::adjust_livepatheffect (Geom::Affine const &postmul, bool set) -{ - SPLPEItem *lpeitem = dynamic_cast<SPLPEItem *>(this); - if ( lpeitem && lpeitem->hasPathEffect() ) { - lpeitem->forkPathEffectsIfNecessary(); - // now that all LPEs are forked_if_necessary, we can apply the transform - PathEffectList effect_list = lpeitem->getEffectList(); - for (PathEffectList::iterator it = effect_list.begin(); it != effect_list.end(); ++it) - { - LivePathEffectObject *lpeobj = (*it)->lpeobject; - if (lpeobj) { - Inkscape::LivePathEffect::Effect * lpe = lpeobj->get_lpe(); - if (lpe && lpe->isReady()) { - lpe->transform_multiply(postmul, set); - } - } - } - } -} - -// CPPIFY:: make pure virtual? -// Not all SPItems must necessarily have a set transform method! -Geom::Affine SPItem::set_transform(Geom::Affine const &transform) { -// throw; - return transform; -} - -void SPItem::doWriteTransform(Geom::Affine const &transform, Geom::Affine const *adv, bool compensate) -{ - // calculate the relative transform, if not given by the adv attribute - Geom::Affine advertized_transform; - if (adv != NULL) { - advertized_transform = *adv; - } else { - advertized_transform = sp_item_transform_repr (this).inverse() * transform; - } - - Inkscape::Preferences *prefs = Inkscape::Preferences::get(); - if (compensate) { - // recursively compensating for stroke scaling will not always work, because it can be scaled to zero or infinite - // from which we cannot ever recover by applying an inverse scale; therefore we temporarily block any changes - // to the strokewidth in such a case instead, and unblock these after the transformation - // (as reported in https://bugs.launchpad.net/inkscape/+bug/825840/comments/4) - if (!prefs->getBool("/options/transform/stroke", true)) { - double const expansion = 1. / advertized_transform.descrim(); - if (expansion < 1e-9 || expansion > 1e9) { - freeze_stroke_width_recursive(true); - // This will only work if the item has a set_transform method (in this method adjust_stroke() will be called) - // We will still have to apply the inverse scaling to other items, not having a set_transform method - // such as ellipses and stars - // PS: We cannot use this freeze_stroke_width_recursive() trick in all circumstances. For example, it will - // break pasting objects within their group (because in such a case the transformation of the group will affect - // the strokewidth, and has to be compensated for. See https://bugs.launchpad.net/inkscape/+bug/959223/comments/10) - } else { - adjust_stroke_width_recursive(expansion); - } - } - - // recursively compensate rx/ry of a rect if requested - if (!prefs->getBool("/options/transform/rectcorners", true)) { - sp_item_adjust_rects_recursive(this, advertized_transform); - } - - // recursively compensate pattern fill if it's not to be transformed - if (!prefs->getBool("/options/transform/pattern", true)) { - adjust_paint_recursive (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->getBool("/options/transform/gradient", true)) { - adjust_paint_recursive (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 - adjust_paint_recursive (Geom::identity(), Geom::identity(), false); - } - - } // endif(compensate) - - gint preserve = prefs->getBool("/options/preservetransform/value", 0); - Geom::Affine transform_attr (transform); - - // CPPIFY: check this code. - // If onSetTransform is not overridden, CItem::onSetTransform will return the transform it was given as a parameter. - // onSetTransform cannot be pure due to the fact that not all visible Items are transformable. - - if ( // run the object's set_transform (i.e. embed transform) only if: - (dynamic_cast<SPText *>(this) && firstChild() && dynamic_cast<SPTextPath *>(firstChild())) || - (!preserve && // user did not chose to preserve all transforms - (!clip_ref || !clip_ref->getObject()) && // the object does not have a clippath - (!mask_ref || !mask_ref->getObject()) && // the object does not have a mask - !(!transform.isTranslation() && style && style->getFilter())) // the object does not have a filter, or the transform is translation (which is supposed to not affect filters) - ) - { - transform_attr = this->set_transform(transform); - - if (freeze_stroke_width) { - freeze_stroke_width_recursive(false); - } - } else { - SPLPEItem * lpeitem = SP_LPE_ITEM(this); - if (lpeitem && lpeitem->hasPathEffectRecursive()) { - lpeitem->adjust_livepatheffect(transform_attr); - } - if (freeze_stroke_width) { - freeze_stroke_width_recursive(false); - if (compensate) { - if (!prefs->getBool("/options/transform/stroke", true)) { - // Recursively compensate for stroke scaling, depending on user preference - // (As to why we need to do this, see the comment a few lines above near the freeze_stroke_width_recursive(true) call) - double const expansion = 1. / advertized_transform.descrim(); - adjust_stroke_width_recursive(expansion); - } - } - } - } - set_item_transform(transform_attr); - - - - // Note: updateRepr comes before emitting the transformed signal since - // it causes clone SPUse's copy of the original object to brought up to - // date with the original. Otherwise, sp_use_bbox returns incorrect - // values if called in code handling the transformed signal. - updateRepr(); - - // send the relative transform with a _transformed_signal - _transformed_signal.emit(&advertized_transform, this); -} - -// CPPIFY: see below, do not make pure? -gint SPItem::event(SPEvent* /*event*/) { - return FALSE; -} - -gint SPItem::emitEvent(SPEvent &event) -{ - return this->event(&event); -} - -void SPItem::set_item_transform(Geom::Affine const &transform_matrix) -{ - if (!Geom::are_near(transform_matrix, transform, 1e-18)) { - transform = transform_matrix; - /* The SP_OBJECT_USER_MODIFIED_FLAG_B is used to mark the fact that it's only a - transformation. It's apparently not used anywhere else. */ - requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_USER_MODIFIED_FLAG_B); - sp_item_rm_unsatisfied_cns(*this); - } -} - -//void SPItem::convert_to_guides() const { -// // CPPIFY: If not overridden, call SPItem::convert_to_guides() const, see below! -// this->convert_to_guides(); -//} - - -Geom::Affine i2anc_affine(SPObject const *object, SPObject const *const ancestor) { - Geom::Affine ret(Geom::identity()); - g_return_val_if_fail(object != NULL, ret); - - /* stop at first non-renderable ancestor */ - while ( object != ancestor && dynamic_cast<SPItem const *>(object) ) { - SPRoot const *root = dynamic_cast<SPRoot const *>(object); - if (root) { - ret *= root->c2p; - } else { - SPItem const *item = dynamic_cast<SPItem const *>(object); - g_assert(item != NULL); - ret *= item->transform; - } - object = object->parent; - } - return ret; -} - -Geom::Affine -i2i_affine(SPObject const *src, SPObject const *dest) { - 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).inverse(); -} - -Geom::Affine SPItem::getRelativeTransform(SPObject const *dest) const { - return i2i_affine(this, dest); -} - -Geom::Affine SPItem::i2doc_affine() const -{ - return i2anc_affine(this, NULL); -} - -Geom::Affine SPItem::i2dt_affine() const -{ - Geom::Affine ret; - SPDesktop const *desktop = SP_ACTIVE_DESKTOP; - if ( desktop ) { - ret = i2doc_affine() * desktop->doc2dt(); - } else { - // TODO temp code to prevent crashing on command-line launch: - ret = i2doc_affine() - * Geom::Scale(1, -1) - * Geom::Translate(0, document->getHeight().value("px")); - } - return ret; -} - -void SPItem::set_i2d_affine(Geom::Affine const &i2dt) -{ - Geom::Affine dt2p; /* desktop to item parent transform */ - if (parent) { - dt2p = static_cast<SPItem *>(parent)->i2dt_affine().inverse(); - } else { - SPDesktop *dt = SP_ACTIVE_DESKTOP; - dt2p = dt->dt2doc(); - } - - Geom::Affine const i2p( i2dt * dt2p ); - set_item_transform(i2p); -} - - -Geom::Affine SPItem::dt2i_affine() const -{ - /* fixme: Implement the right way (Lauris) */ - return i2dt_affine().inverse(); -} - -/* Item views */ - -SPItemView *SPItem::sp_item_view_new_prepend(SPItemView *list, SPItem *item, unsigned flags, unsigned key, Inkscape::DrawingItem *drawing_item) -{ - g_assert(item != NULL); - g_assert(dynamic_cast<SPItem *>(item) != NULL); - g_assert(drawing_item != NULL); - - SPItemView *new_view = g_new(SPItemView, 1); - - new_view->next = list; - new_view->flags = flags; - new_view->key = key; - new_view->arenaitem = drawing_item; - - return new_view; -} - -static SPItemView* -sp_item_view_list_remove(SPItemView *list, SPItemView *view) -{ - SPItemView *ret = list; - if (view == list) { - ret = list->next; - } else { - SPItemView *prev; - prev = list; - while (prev->next != view) prev = prev->next; - prev->next = view->next; - } - - delete view->arenaitem; - g_free(view); - - return ret; -} - -Inkscape::DrawingItem *SPItem::get_arenaitem(unsigned key) -{ - for ( SPItemView *iv = display ; iv ; iv = iv->next ) { - if ( iv->key == key ) { - return iv->arenaitem; - } - } - - return NULL; -} - -int sp_item_repr_compare_position(SPItem const *first, SPItem const *second) -{ - return sp_repr_compare_position(first->getRepr(), - second->getRepr()); -} - -SPItem const *sp_item_first_item_child(SPObject const *obj) -{ - return sp_item_first_item_child( const_cast<SPObject *>(obj) ); -} - -SPItem *sp_item_first_item_child(SPObject *obj) -{ - SPItem *child = 0; - for (auto& iter: obj->children) { - SPItem *tmp = dynamic_cast<SPItem *>(&iter); - if ( tmp ) { - child = tmp; - break; - } - } - return child; -} - -void SPItem::convert_to_guides() const { - Inkscape::Preferences *prefs = Inkscape::Preferences::get(); - int prefs_bbox = prefs->getInt("/tools/bounding_box", 0); - - Geom::OptRect bbox = (prefs_bbox == 0) ? desktopVisualBounds() : desktopGeometricBounds(); - if (!bbox) { - g_warning ("Cannot determine item's bounding box during conversion to guides.\n"); - return; - } - - std::list<std::pair<Geom::Point, Geom::Point> > 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(document, pts); -} - -/* - 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 : |