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| author | Liam P. White <inkscapebrony@gmail.com> | 2014-10-05 16:58:19 +0000 |
|---|---|---|
| committer | Liam P. White <inkscapebrony@gmail.com> | 2014-10-05 16:58:19 +0000 |
| commit | 9a0740b27fcad7f06bae507e1957f4bfeb4f9dc7 (patch) | |
| tree | 8ae4f0148d2bd4901c97ac94244cb413c09a22a8 /src/marker.cpp | |
| parent | Move obvious ui component to ui/ (diff) | |
| download | inkscape-9a0740b27fcad7f06bae507e1957f4bfeb4f9dc7.tar.gz inkscape-9a0740b27fcad7f06bae507e1957f4bfeb4f9dc7.zip | |
Rename marker.cpp -> sp-marker.cpp to reflect inclusion in SP-tree
(bzr r13341.1.248)
Diffstat (limited to 'src/marker.cpp')
| -rw-r--r-- | src/marker.cpp | 541 |
1 files changed, 0 insertions, 541 deletions
diff --git a/src/marker.cpp b/src/marker.cpp deleted file mode 100644 index a4cbc30ca..000000000 --- a/src/marker.cpp +++ /dev/null @@ -1,541 +0,0 @@ -/* - * SVG <marker> implementation - * - * Authors: - * Lauris Kaplinski <lauris@kaplinski.com> - * Bryce Harrington <bryce@bryceharrington.org> - * Abhishek Sharma - * Jon A. Cruz <jon@joncruz.org> - * - * Copyright (C) 1999-2003 Lauris Kaplinski - * 2004-2006 Bryce Harrington - * 2008 Johan Engelen - * - * Released under GNU GPL, read the file 'COPYING' for more information - */ - -#include <cstring> -#include <string> -#include "config.h" - -#include <2geom/affine.h> -#include <2geom/transforms.h> -#include "svg/svg.h" -#include "display/drawing-group.h" -#include "xml/repr.h" -#include "attributes.h" -#include "marker.h" -#include "document.h" -#include "document-private.h" -#include "preferences.h" - -struct SPMarkerView { - SPMarkerView *next; - unsigned int key; - std::vector<Inkscape::DrawingItem *> items; -}; - -static void sp_marker_view_remove (SPMarker *marker, SPMarkerView *view, unsigned int destroyitems); - -#include "sp-factory.h" - -namespace { - SPObject* createMarker() { - return new SPMarker(); - } - - bool markerRegistered = SPFactory::instance().registerObject("svg:marker", createMarker); -} - -SPMarker::SPMarker() : SPGroup(), SPViewBox() { - - this->markerUnits = 0; - this->markerUnits_set = 0; - - this->orient_mode = MARKER_ORIENT_ANGLE; - this->orient_set = 0; - this->orient = 0; - - this->views = NULL; -} - -/** - * Initializes an SPMarker object. This notes the marker's viewBox is - * not set and initializes the marker's c2p identity matrix. - */ - -SPMarker::~SPMarker() { -} - -/** - * Virtual build callback for SPMarker. - * - * This is to be invoked immediately after creation of an SPMarker. This - * method fills an SPMarker object with its SVG attributes, and calls the - * parent class' build routine to attach the object to its document and - * repr. The result will be creation of the whole document tree. - * - * \see SPObject::build() - */ -void SPMarker::build(SPDocument *document, Inkscape::XML::Node *repr) { - this->readAttr( "markerUnits" ); - this->readAttr( "refX" ); - this->readAttr( "refY" ); - this->readAttr( "markerWidth" ); - this->readAttr( "markerHeight" ); - this->readAttr( "orient" ); - this->readAttr( "viewBox" ); - this->readAttr( "preserveAspectRatio" ); - - SPGroup::build(document, repr); -} - -void SPMarker::release() { - while (this->views) { - // Destroy all DrawingItems etc. - // Parent class ::hide method - //reinterpret_cast<SPItemClass *>(parent_class)->hide(marker, marker->views->key); - // CPPIFY: correct one? - SPGroup::hide(this->views->key); - - - sp_marker_view_remove (this, this->views, TRUE); - } - - SPGroup::release(); -} - -/** - * Removes, releases and unrefs all children of object - * - * This is the inverse of sp_marker_build(). It must be invoked as soon - * as the marker is removed from the tree, even if it is still referenced - * by other objects. It hides and removes any views of the marker, then - * calls the parent classes' release function to deregister the object - * and release its SPRepr bindings. The result will be the destruction - * of the entire document tree. - * - * \see SPObject::release() - */ - -void SPMarker::set(unsigned int key, const gchar* value) { - switch (key) { - case SP_ATTR_MARKERUNITS: - this->markerUnits_set = FALSE; - this->markerUnits = SP_MARKER_UNITS_STROKEWIDTH; - - if (value) { - if (!strcmp (value, "strokeWidth")) { - this->markerUnits_set = TRUE; - } else if (!strcmp (value, "userSpaceOnUse")) { - this->markerUnits = SP_MARKER_UNITS_USERSPACEONUSE; - this->markerUnits_set = TRUE; - } - } - - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG); - break; - - case SP_ATTR_REFX: - this->refX.readOrUnset(value); - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - break; - - case SP_ATTR_REFY: - this->refY.readOrUnset(value); - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - break; - - case SP_ATTR_MARKERWIDTH: - this->markerWidth.readOrUnset(value, SVGLength::NONE, 3.0, 3.0); - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - break; - - case SP_ATTR_MARKERHEIGHT: - this->markerHeight.readOrUnset(value, SVGLength::NONE, 3.0, 3.0); - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - break; - - case SP_ATTR_ORIENT: - this->orient_set = FALSE; - this->orient_mode = MARKER_ORIENT_ANGLE; - this->orient = 0.0; - - if (value) { - if (!strcmp (value, "auto")) { - this->orient_mode = MARKER_ORIENT_AUTO; - this->orient_set = TRUE; - } else if (!strcmp (value, "auto-start-reverse")) { - this->orient_mode = MARKER_ORIENT_AUTO_START_REVERSE; - this->orient_set = TRUE; - } else if (sp_svg_number_read_f (value, &this->orient)) { - this->orient_mode = MARKER_ORIENT_ANGLE; - this->orient_set = TRUE; - } - } - - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - break; - - case SP_ATTR_VIEWBOX: - set_viewBox( value ); - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG); - break; - - case SP_ATTR_PRESERVEASPECTRATIO: - set_preserveAspectRatio( value ); - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG); - break; - - default: - SPGroup::set(key, value); - break; - } -} - -void SPMarker::update(SPCtx *ctx, guint flags) { - - SPItemCtx ictx; - - // Copy parent context - ictx.flags = ctx->flags; - - // Initialize transformations - ictx.i2doc = Geom::identity(); - ictx.i2vp = Geom::identity(); - - // Set up viewport - ictx.viewport = Geom::Rect::from_xywh(0, 0, this->markerWidth.computed, this->markerHeight.computed); - - SPItemCtx rctx = get_rctx( &ictx ); - - // Shift according to refX, refY - Geom::Point ref( this->refX.computed, this->refY.computed ); - ref *= c2p; - this->c2p = this->c2p * Geom::Translate( -ref ); - - // And invoke parent method - SPGroup::update((SPCtx *) &rctx, flags); - - // As last step set additional transform of drawing group - for (SPMarkerView *v = this->views; v != NULL; v = v->next) { - for (unsigned i = 0 ; i < v->items.size() ; i++) { - if (v->items[i]) { - Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(v->items[i]); - g->setChildTransform(this->c2p); - } - } - } -} - -Inkscape::XML::Node* SPMarker::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) { - if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) { - repr = xml_doc->createElement("svg:marker"); - } - - if (this->markerUnits_set) { - if (this->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) { - repr->setAttribute("markerUnits", "strokeWidth"); - } else { - repr->setAttribute("markerUnits", "userSpaceOnUse"); - } - } else { - repr->setAttribute("markerUnits", NULL); - } - - if (this->refX._set) { - sp_repr_set_svg_double(repr, "refX", this->refX.computed); - } else { - repr->setAttribute("refX", NULL); - } - - if (this->refY._set) { - sp_repr_set_svg_double (repr, "refY", this->refY.computed); - } else { - repr->setAttribute("refY", NULL); - } - - if (this->markerWidth._set) { - sp_repr_set_svg_double (repr, "markerWidth", this->markerWidth.computed); - } else { - repr->setAttribute("markerWidth", NULL); - } - - if (this->markerHeight._set) { - sp_repr_set_svg_double (repr, "markerHeight", this->markerHeight.computed); - } else { - repr->setAttribute("markerHeight", NULL); - } - - if (this->orient_set) { - if (this->orient_mode == MARKER_ORIENT_AUTO) { - repr->setAttribute("orient", "auto"); - } else if (this->orient_mode == MARKER_ORIENT_AUTO_START_REVERSE) { - repr->setAttribute("orient", "auto-start-reverse"); - } else { - sp_repr_set_css_double(repr, "orient", this->orient); - } - } else { - repr->setAttribute("orient", NULL); - } - - /* fixme: */ - //XML Tree being used directly here while it shouldn't be.... - repr->setAttribute("viewBox", this->getRepr()->attribute("viewBox")); - //XML Tree being used directly here while it shouldn't be.... - repr->setAttribute("preserveAspectRatio", this->getRepr()->attribute("preserveAspectRatio")); - - SPGroup::write(xml_doc, repr, flags); - - return repr; -} - -Inkscape::DrawingItem* SPMarker::show(Inkscape::Drawing &/*drawing*/, unsigned int /*key*/, unsigned int /*flags*/) { - // Markers in tree are never shown directly even if outside of <defs>. - return 0; -} - -Inkscape::DrawingItem* SPMarker::private_show(Inkscape::Drawing &drawing, unsigned int key, unsigned int flags) { - return SPGroup::show(drawing, key, flags); -} - -void SPMarker::hide(unsigned int key) { - // CPPIFY: correct? - SPGroup::hide(key); -} - -Geom::OptRect SPMarker::bbox(Geom::Affine const &/*transform*/, SPItem::BBoxType /*type*/) const { - return Geom::OptRect(); -} - -void SPMarker::print(SPPrintContext* /*ctx*/) { - -} - -/* fixme: Remove link if zero-sized (Lauris) */ - -/** - * Removes any SPMarkerViews that a marker has with a specific key. - * Set up the DrawingItem array's size in the specified SPMarker's SPMarkerView. - * This is called from sp_shape_update() for shapes that have markers. It - * removes the old view of the marker and establishes a new one, registering - * it with the marker's list of views for future updates. - * - * \param marker Marker to create views in. - * \param key Key to give each SPMarkerView. - * \param size Number of DrawingItems to put in the SPMarkerView. - */ -void -sp_marker_show_dimension (SPMarker *marker, unsigned int key, unsigned int size) -{ - SPMarkerView *view; - - for (view = marker->views; view != NULL; view = view->next) { - if (view->key == key) break; - } - if (view && (view->items.size() != size)) { - /* Free old view and allocate new */ - /* Parent class ::hide method */ - marker->hide(key); - - sp_marker_view_remove (marker, view, TRUE); - view = NULL; - } - if (!view) { - view = new SPMarkerView(); - view->items.clear(); - for (unsigned int i = 0; i < size; i++) { - view->items.push_back(NULL); - } - view->next = marker->views; - marker->views = view; - view->key = key; - } -} - -/** - * Shows an instance of a marker. This is called during sp_shape_update_marker_view() - * show and transform a child item in the drawing for all views with the given key. - */ -Inkscape::DrawingItem * -sp_marker_show_instance ( SPMarker *marker, Inkscape::DrawingItem *parent, - unsigned int key, unsigned int pos, - Geom::Affine const &base, float linewidth) -{ - // do not show marker if linewidth == 0 and markerUnits == strokeWidth - // otherwise Cairo will fail to render anything on the tile - // that contains the "degenerate" marker - if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH && linewidth == 0) { - return NULL; - } - - for (SPMarkerView *v = marker->views; v != NULL; v = v->next) { - if (v->key == key) { - if (pos >= v->items.size()) { - return NULL; - } - if (!v->items[pos]) { - /* Parent class ::show method */ - v->items[pos] = marker->private_show(parent->drawing(), key, SP_ITEM_REFERENCE_FLAGS); - - if (v->items[pos]) { - /* fixme: Position (Lauris) */ - parent->prependChild(v->items[pos]); - Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(v->items[pos]); - if (g) g->setChildTransform(marker->c2p); - } - } - if (v->items[pos]) { - Geom::Affine m; - if (marker->orient_mode == MARKER_ORIENT_AUTO) { - m = base; - } else if (marker->orient_mode == MARKER_ORIENT_AUTO_START_REVERSE) { - m = Geom::Rotate::from_degrees( 180.0 ) * base; - m = base; - } else { - /* fixme: Orient units (Lauris) */ - m = Geom::Rotate::from_degrees(marker->orient); - m *= Geom::Translate(base.translation()); - } - if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) { - m = Geom::Scale(linewidth) * m; - } - v->items[pos]->setTransform(m); - } - return v->items[pos]; - } - } - - return NULL; -} - -/** - * Hides/removes all views of the given marker that have key 'key'. - * This replaces SPItem implementation because we have our own views - * \param key SPMarkerView key to hide. - */ -void -sp_marker_hide (SPMarker *marker, unsigned int key) -{ - SPMarkerView *v; - - v = marker->views; - while (v != NULL) { - SPMarkerView *next; - next = v->next; - if (v->key == key) { - /* Parent class ::hide method */ - marker->hide(key); - - sp_marker_view_remove (marker, v, TRUE); - return; - } - v = next; - } -} - -/** - * Removes a given view. Also will destroy sub-items in the view if destroyitems - * is set to a non-zero value. - */ -static void -sp_marker_view_remove (SPMarker *marker, SPMarkerView *view, unsigned int destroyitems) -{ - if (view == marker->views) { - marker->views = view->next; - } else { - SPMarkerView *v; - for (v = marker->views; v->next != view; v = v->next) if (!v->next) return; - v->next = view->next; - } - if (destroyitems) { - for (unsigned int i = 0; i < view->items.size(); i++) { - /* We have to walk through the whole array because there may be hidden items */ - delete view->items[i]; - } - } - view->items.clear(); - delete view; -} - -const gchar *generate_marker(GSList *reprs, Geom::Rect bounds, SPDocument *document, Geom::Point center, Geom::Affine move) -{ - Inkscape::XML::Document *xml_doc = document->getReprDoc(); - Inkscape::XML::Node *defsrepr = document->getDefs()->getRepr(); - - Inkscape::XML::Node *repr = xml_doc->createElement("svg:marker"); - - // Uncommenting this will make the marker fixed-size independent of stroke width. - // Commented out for consistency with standard markers which scale when you change - // stroke width: - //repr->setAttribute("markerUnits", "userSpaceOnUse"); - - sp_repr_set_svg_double(repr, "markerWidth", bounds.dimensions()[Geom::X]); - sp_repr_set_svg_double(repr, "markerHeight", bounds.dimensions()[Geom::Y]); - sp_repr_set_svg_double(repr, "refX", center[Geom::X]); - sp_repr_set_svg_double(repr, "refY", center[Geom::Y]); - - repr->setAttribute("orient", "auto"); - - defsrepr->appendChild(repr); - const gchar *mark_id = repr->attribute("id"); - SPObject *mark_object = document->getObjectById(mark_id); - - for (GSList *i = reprs; i != NULL; i = i->next) { - Inkscape::XML::Node *node = (Inkscape::XML::Node *)(i->data); - SPItem *copy = SP_ITEM(mark_object->appendChildRepr(node)); - - Geom::Affine dup_transform; - if (!sp_svg_transform_read (node->attribute("transform"), &dup_transform)) - dup_transform = Geom::identity(); - dup_transform *= move; - - copy->doWriteTransform(copy->getRepr(), dup_transform); - } - - Inkscape::GC::release(repr); - return mark_id; -} - -SPObject *sp_marker_fork_if_necessary(SPObject *marker) -{ - if (marker->hrefcount < 2) { - return marker; - } - - Inkscape::Preferences *prefs = Inkscape::Preferences::get(); - gboolean colorStock = prefs->getBool("/options/markers/colorStockMarkers", true); - gboolean colorCustom = prefs->getBool("/options/markers/colorCustomMarkers", false); - const gchar *stock = marker->getRepr()->attribute("inkscape:isstock"); - gboolean isStock = (!stock || !strcmp(stock,"true")); - - if (isStock ? !colorStock : !colorCustom) { - return marker; - } - - SPDocument *doc = marker->document; - Inkscape::XML::Document *xml_doc = doc->getReprDoc(); - // Turn off garbage-collectable or it might be collected before we can use it - marker->getRepr()->setAttribute("inkscape:collect", NULL); - Inkscape::XML::Node *mark_repr = marker->getRepr()->duplicate(xml_doc); - doc->getDefs()->getRepr()->addChild(mark_repr, NULL); - if (!mark_repr->attribute("inkscape:stockid")) { - mark_repr->setAttribute("inkscape:stockid", mark_repr->attribute("id")); - } - marker->getRepr()->setAttribute("inkscape:collect", "always"); - - SPObject *marker_new = static_cast<SPObject *>(doc->getObjectByRepr(mark_repr)); - Inkscape::GC::release(mark_repr); - return marker_new; -} - -/* - 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 : |
