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Diffstat (limited to 'src/sp-clippath.cpp')
| -rw-r--r-- | src/sp-clippath.cpp | 314 |
1 files changed, 0 insertions, 314 deletions
diff --git a/src/sp-clippath.cpp b/src/sp-clippath.cpp deleted file mode 100644 index d3a3810cb..000000000 --- a/src/sp-clippath.cpp +++ /dev/null @@ -1,314 +0,0 @@ -/* - * SVG <clipPath> implementation - * - * Authors: - * Lauris Kaplinski <lauris@kaplinski.com> - * Jon A. Cruz <jon@joncruz.org> - * Abhishek Sharma - * - * Copyright (C) 2001-2002 authors - * Copyright (C) 2001 Ximian, Inc. - * - * Released under GNU GPL, read the file 'COPYING' for more information - */ - -#include <cstring> -#include <string> - -#include "display/drawing.h" -#include "display/drawing-group.h" -#include "xml/repr.h" - -#include "enums.h" -#include "attributes.h" -#include "document.h" -#include "document-private.h" -#include "style.h" - -#include <2geom/transforms.h> - -#include "sp-clippath.h" - -struct SPClipPathView { - SPClipPathView *next; - unsigned int key; - Inkscape::DrawingItem *arenaitem; - Geom::OptRect bbox; -}; - -static SPClipPathView* sp_clippath_view_new_prepend(SPClipPathView *list, unsigned int key, Inkscape::DrawingItem *arenaitem); -static SPClipPathView* sp_clippath_view_list_remove(SPClipPathView *list, SPClipPathView *view); - -SPClipPath::SPClipPath() : SPObjectGroup() { - this->clipPathUnits_set = FALSE; - this->clipPathUnits = SP_CONTENT_UNITS_USERSPACEONUSE; - - this->display = NULL; -} - -SPClipPath::~SPClipPath() { -} - -void SPClipPath::build(SPDocument* doc, Inkscape::XML::Node* repr) { - SPObjectGroup::build(doc, repr); - - this->readAttr( "style" ); - this->readAttr( "clipPathUnits" ); - - /* Register ourselves */ - doc->addResource("clipPath", this); -} - -void SPClipPath::release() { - if (this->document) { - // Unregister ourselves - this->document->removeResource("clipPath", this); - } - - while (this->display) { - /* We simply unref and let item manage this in handler */ - this->display = sp_clippath_view_list_remove(this->display, this->display); - } - - SPObjectGroup::release(); -} - -void SPClipPath::set(unsigned int key, const gchar* value) { - switch (key) { - case SP_ATTR_CLIPPATHUNITS: - this->clipPathUnits = SP_CONTENT_UNITS_USERSPACEONUSE; - this->clipPathUnits_set = FALSE; - - if (value) { - if (!strcmp(value, "userSpaceOnUse")) { - this->clipPathUnits_set = TRUE; - } else if (!strcmp(value, "objectBoundingBox")) { - this->clipPathUnits = SP_CONTENT_UNITS_OBJECTBOUNDINGBOX; - this->clipPathUnits_set = TRUE; - } - } - - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - break; - default: - if (SP_ATTRIBUTE_IS_CSS(key)) { - this->style->readFromObject( this ); - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG); - } else { - SPObjectGroup::set(key, value); - } - break; - } -} - -void SPClipPath::child_added(Inkscape::XML::Node* child, Inkscape::XML::Node* ref) { - /* Invoke SPObjectGroup implementation */ - SPObjectGroup::child_added(child, ref); - - /* Show new object */ - SPObject *ochild = this->document->getObjectByRepr(child); - - if (SP_IS_ITEM(ochild)) { - for (SPClipPathView *v = this->display; v != NULL; v = v->next) { - Inkscape::DrawingItem *ac = SP_ITEM(ochild)->invoke_show(v->arenaitem->drawing(), v->key, SP_ITEM_REFERENCE_FLAGS); - - if (ac) { - v->arenaitem->prependChild(ac); - } - } - } -} - -void SPClipPath::update(SPCtx* ctx, unsigned int flags) { - if (flags & SP_OBJECT_MODIFIED_FLAG) { - flags |= SP_OBJECT_PARENT_MODIFIED_FLAG; - } - - flags &= SP_OBJECT_MODIFIED_CASCADE; - - std::vector<SPObject *> l; - for (auto& child: children) { - sp_object_ref(&child); - l.push_back(&child); - } - - for (auto child:l) { - if (flags || (child->uflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) { - child->updateDisplay(ctx, flags); - } - - sp_object_unref(child); - } - - for (SPClipPathView *v = this->display; v != NULL; v = v->next) { - Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(v->arenaitem); - - if (this->clipPathUnits == SP_CONTENT_UNITS_OBJECTBOUNDINGBOX && v->bbox) { - Geom::Affine t = Geom::Scale(v->bbox->dimensions()); - t.setTranslation(v->bbox->min()); - g->setChildTransform(t); - } else { - g->setChildTransform(Geom::identity()); - } - } -} - -void SPClipPath::modified(unsigned int flags) { - if (flags & SP_OBJECT_MODIFIED_FLAG) { - flags |= SP_OBJECT_PARENT_MODIFIED_FLAG; - } - - flags &= SP_OBJECT_MODIFIED_CASCADE; - - std::vector<SPObject *> l; - for (auto& child: children) { - sp_object_ref(&child); - l.push_back(&child); - } - - for (auto child:l) { - if (flags || (child->mflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) { - child->emitModified(flags); - } - sp_object_unref(child); - } -} - -Inkscape::XML::Node* SPClipPath::write(Inkscape::XML::Document* xml_doc, Inkscape::XML::Node* repr, guint flags) { - if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) { - repr = xml_doc->createElement("svg:clipPath"); - } - - SPObjectGroup::write(xml_doc, repr, flags); - - return repr; -} - -Inkscape::DrawingItem *SPClipPath::show(Inkscape::Drawing &drawing, unsigned int key) { - Inkscape::DrawingGroup *ai = new Inkscape::DrawingGroup(drawing); - display = sp_clippath_view_new_prepend(display, key, ai); - - for (auto& child: children) { - if (SP_IS_ITEM(&child)) { - Inkscape::DrawingItem *ac = SP_ITEM(&child)->invoke_show(drawing, key, SP_ITEM_REFERENCE_FLAGS); - - if (ac) { - /* The order is not important in clippath */ - ai->appendChild(ac); - } - } - } - - if (clipPathUnits == SP_CONTENT_UNITS_OBJECTBOUNDINGBOX && display->bbox) { - Geom::Affine t = Geom::Scale(display->bbox->dimensions()); - t.setTranslation(display->bbox->min()); - ai->setChildTransform(t); - } - - ai->setStyle(this->style); - - return ai; -} - -void SPClipPath::hide(unsigned int key) { - for (auto& child: children) { - if (SP_IS_ITEM(&child)) { - SP_ITEM(&child)->invoke_hide(key); - } - } - for (SPClipPathView *v = display; v != NULL; v = v->next) { - if (v->key == key) { - /* We simply unref and let item to manage this in handler */ - display = sp_clippath_view_list_remove(display, v); - return; - } - } -} - -void SPClipPath::setBBox(unsigned int key, Geom::OptRect const &bbox) { - for (SPClipPathView *v = display; v != NULL; v = v->next) { - if (v->key == key) { - v->bbox = bbox; - break; - } - } -} - -Geom::OptRect SPClipPath::geometricBounds(Geom::Affine const &transform) { - Geom::OptRect bbox; - - for (auto& i: children) { - if (SP_IS_ITEM(&i)) { - Geom::OptRect tmp = SP_ITEM(&i)->geometricBounds(Geom::Affine(SP_ITEM(&i)->transform) * transform); - bbox.unionWith(tmp); - } - } - - return bbox; -} - -/* ClipPath views */ - -SPClipPathView * -sp_clippath_view_new_prepend(SPClipPathView *list, unsigned int key, Inkscape::DrawingItem *arenaitem) -{ - SPClipPathView *new_path_view = g_new(SPClipPathView, 1); - - new_path_view->next = list; - new_path_view->key = key; - new_path_view->arenaitem = arenaitem; - new_path_view->bbox = Geom::OptRect(); - - return new_path_view; -} - -SPClipPathView * -sp_clippath_view_list_remove(SPClipPathView *list, SPClipPathView *view) -{ - if (view == list) { - list = list->next; - } else { - SPClipPathView *prev; - prev = list; - while (prev->next != view) prev = prev->next; - prev->next = view->next; - } - - delete view->arenaitem; - g_free(view); - - return list; -} - -// Create a mask element (using passed elements), add it to <defs> -const gchar *SPClipPath::create (std::vector<Inkscape::XML::Node*> &reprs, SPDocument *document) -{ - Inkscape::XML::Node *defsrepr = document->getDefs()->getRepr(); - - Inkscape::XML::Document *xml_doc = document->getReprDoc(); - Inkscape::XML::Node *repr = xml_doc->createElement("svg:clipPath"); - repr->setAttribute("clipPathUnits", "userSpaceOnUse"); - - defsrepr->appendChild(repr); - const gchar *id = repr->attribute("id"); - SPObject *clip_path_object = document->getObjectById(id); - - for (std::vector<Inkscape::XML::Node*>::const_iterator it = reprs.begin(); it != reprs.end(); ++it) { - Inkscape::XML::Node *node = (*it); - clip_path_object->appendChildRepr(node); - } - - Inkscape::GC::release(repr); - return id; -} - -/* - 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:fileencoding=utf-8:textwidth=99 : |