diff --git a/src/sp-shape.cpp b/src/sp-shape.cpp
index bdffd821cf22f02546d34478261868b219e85135..4bbfbc1e12fcbc728be7c8330d213942a0bcb418 100644 (file)
--- a/src/sp-shape.cpp
+++ b/src/sp-shape.cpp
#include <2geom/rect.h>
#include <2geom/transforms.h>
#include <2geom/pathvector.h>
+#include <2geom/path-intersection.h>
+#include <2geom/exception.h>
#include "helper/geom.h"
#include "helper/geom-nodetype.h"
#include "style.h"
#include "marker.h"
#include "sp-path.h"
-#include "prefs-utils.h"
+#include "preferences.h"
#include "attributes.h"
#include "live_effects/lpeobject.h"
#include "util/mathfns.h" // for triangle_area()
+#include "splivarot.h" // for bounding box calculation
+
#define noSHAPE_VERBOSE
static void sp_shape_class_init (SPShapeClass *klass);
void sp_shape_print (SPItem * item, SPPrintContext * ctx);
static NRArenaItem *sp_shape_show (SPItem *item, NRArena *arena, unsigned int key, unsigned int flags);
static void sp_shape_hide (SPItem *item, unsigned int key);
-static void sp_shape_snappoints (SPItem const *item, SnapPointsIter p);
+static void sp_shape_snappoints (SPItem const *item, std::vector<Inkscape::SnapCandidatePoint> &p, Inkscape::SnapPreferences const *snapprefs);
static void sp_shape_update_marker_view (SPShape *shape, NRArenaItem *ai);
GType
sp_shape_get_type (void)
{
- static GType type = 0;
- if (!type) {
- GTypeInfo info = {
- sizeof (SPShapeClass),
- NULL, NULL,
- (GClassInitFunc) sp_shape_class_init,
- NULL, NULL,
- sizeof (SPShape),
- 16,
- (GInstanceInitFunc) sp_shape_init,
- NULL, /* value_table */
- };
- type = g_type_register_static (SP_TYPE_LPE_ITEM, "SPShape", &info, (GTypeFlags)0);
- }
- return type;
+ static GType type = 0;
+ if (!type) {
+ GTypeInfo info = {
+ sizeof (SPShapeClass),
+ NULL, NULL,
+ (GClassInitFunc) sp_shape_class_init,
+ NULL, NULL,
+ sizeof (SPShape),
+ 16,
+ (GInstanceInitFunc) sp_shape_init,
+ NULL, /* value_table */
+ };
+ type = g_type_register_static (SP_TYPE_LPE_ITEM, "SPShape", &info, (GTypeFlags)0);
+ }
+ return type;
}
/**
gobject_class->finalize = sp_shape_finalize;
- sp_object_class->build = sp_shape_build;
- sp_object_class->release = sp_shape_release;
+ sp_object_class->build = sp_shape_build;
+ sp_object_class->release = sp_shape_release;
sp_object_class->set = sp_shape_set;
- sp_object_class->update = sp_shape_update;
- sp_object_class->modified = sp_shape_modified;
+ sp_object_class->update = sp_shape_update;
+ sp_object_class->modified = sp_shape_modified;
sp_object_class->write = sp_shape_write;
- item_class->bbox = sp_shape_bbox;
- item_class->print = sp_shape_print;
- item_class->show = sp_shape_show;
- item_class->hide = sp_shape_hide;
+ item_class->bbox = sp_shape_bbox;
+ item_class->print = sp_shape_print;
+ item_class->show = sp_shape_show;
+ item_class->hide = sp_shape_hide;
item_class->snappoints = sp_shape_snappoints;
lpe_item_class->update_patheffect = NULL;
for ( int i = 0 ; i < SP_MARKER_LOC_QTY ; i++ ) {
new (&shape->release_connect[i]) sigc::connection();
new (&shape->modified_connect[i]) sigc::connection();
+ shape->marker[i] = NULL;
}
+ shape->curve = NULL;
}
static void
@@ -171,6 +177,10 @@ sp_shape_build (SPObject *object, SPDocument *document, Inkscape::XML::Node *rep
if (((SPObjectClass *) (parent_class))->build) {
(*((SPObjectClass *) (parent_class))->build) (object, document, repr);
}
+
+ for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
+ sp_shape_set_marker (object, i, object->style->marker[i].value);
+ }
}
/**
@@ -186,30 +196,31 @@ sp_shape_build (SPObject *object, SPDocument *document, Inkscape::XML::Node *rep
static void
sp_shape_release (SPObject *object)
{
- SPItem *item;
- SPShape *shape;
- SPItemView *v;
- int i;
-
- item = (SPItem *) object;
- shape = (SPShape *) object;
-
- for (i=SP_MARKER_LOC_START; i<SP_MARKER_LOC_QTY; i++) {
- if (shape->marker[i]) {
- sp_signal_disconnect_by_data (shape->marker[i], object);
- for (v = item->display; v != NULL; v = v->next) {
- sp_marker_hide ((SPMarker *) shape->marker[i], NR_ARENA_ITEM_GET_KEY (v->arenaitem) + i);
- }
- shape->marker[i] = sp_object_hunref (shape->marker[i], object);
- }
- }
- if (shape->curve) {
- shape->curve = shape->curve->unref();
- }
-
- if (((SPObjectClass *) parent_class)->release) {
- ((SPObjectClass *) parent_class)->release (object);
- }
+ SPItem *item;
+ SPShape *shape;
+ SPItemView *v;
+ int i;
+
+ item = (SPItem *) object;
+ shape = (SPShape *) object;
+
+ for (i = 0; i < SP_MARKER_LOC_QTY; i++) {
+ if (shape->marker[i]) {
+ for (v = item->display; v != NULL; v = v->next) {
+ sp_marker_hide ((SPMarker *) shape->marker[i], NR_ARENA_ITEM_GET_KEY (v->arenaitem) + i);
+ }
+ shape->release_connect[i].disconnect();
+ shape->modified_connect[i].disconnect();
+ shape->marker[i] = sp_object_hunref (shape->marker[i], object);
+ }
+ }
+ if (shape->curve) {
+ shape->curve = shape->curve->unref();
+ }
+
+ if (((SPObjectClass *) parent_class)->release) {
+ ((SPObjectClass *) parent_class)->release (object);
+ }
}
@@ -232,9 +243,9 @@ sp_shape_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::No
return repr;
}
-/**
+/**
* Updates the shape when its attributes have changed. Also establishes
- * marker objects to match the style settings.
+ * marker objects to match the style settings.
*/
static void
sp_shape_update (SPObject *object, SPCtx *ctx, unsigned int flags)
* that the appropriate marker objects are present (or absent) to
* match the style.
*/
- /* TODO: It would be nice if this could be done at an earlier level */
for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
sp_shape_set_marker (object, i, object->style->marker[i].value);
- }
+ }
if (flags & (SP_OBJECT_STYLE_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
SPStyle *style;
if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_PARENT_MODIFIED_FLAG)) {
/* This is suboptimal, because changing parent style schedules recalculation */
/* But on the other hand - how can we know that parent does not tie style and transform */
- boost::optional<Geom::Rect> paintbox = SP_ITEM(object)->getBounds(Geom::identity(), SPItem::GEOMETRIC_BBOX);
+ Geom::OptRect paintbox = SP_ITEM(object)->getBounds(Geom::identity(), SPItem::GEOMETRIC_BBOX);
for (SPItemView *v = SP_ITEM (shape)->display; v != NULL; v = v->next) {
NRArenaShape * const s = NR_ARENA_SHAPE(v->arenaitem);
if (flags & SP_OBJECT_MODIFIED_FLAG) {
if (sp_shape_has_markers (shape)) {
/* Dimension marker views */
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 (SP_MARKER_LOC_QTY));
+ }
for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
if (shape->marker[i]) {
sp_marker_show_dimension ((SPMarker *) shape->marker[i],
- NR_ARENA_ITEM_GET_KEY (v->arenaitem) + i - SP_MARKER_LOC,
+ NR_ARENA_ITEM_GET_KEY (v->arenaitem) + i,
sp_shape_number_of_markers (shape, i));
}
}
* Marker views have to be scaled already. The transformation
* is retrieved and then shown by calling sp_marker_show_instance.
*
- * TODO: correctly handle the 'marker' attribute.
- * "Using the marker property from a style sheet is equivalent to using all three (start, mid, end)."
- * See painting-marker-03-f.svg in SVG 1.1 Full test suite.
+ * @todo figure out what to do when both 'marker' and for instance 'marker-end' are set.
*/
static void
sp_shape_update_marker_view (SPShape *shape, NRArenaItem *ai)
SPStyle *style = ((SPObject *) shape)->style;
// position arguments to sp_marker_show_instance, basically counts the amount of markers.
- int start_pos = 0;
- int mid_pos = 0;
- int end_pos = 0;
+ int counter[4] = {0};
+ if (!shape->curve) return;
Geom::PathVector const & pathv = shape->curve->get_pathvector();
- for(Geom::PathVector::const_iterator path_it = pathv.begin(); path_it != pathv.end(); ++path_it) {
- if ( shape->marker[SP_MARKER_LOC_START] ) {
- Geom::Matrix const m (sp_shape_marker_get_transform_at_start(path_it->front()));
- sp_marker_show_instance ((SPMarker* ) shape->marker[SP_MARKER_LOC_START], ai,
- NR_ARENA_ITEM_GET_KEY(ai) + SP_MARKER_LOC_START, start_pos, m,
- style->stroke_width.computed);
- start_pos++;
+ if (pathv.empty()) return;
+
+ // the first vertex should get a start marker, the last an end marker, and all the others a mid marker
+ // see bug 456148
+
+ // START marker
+ {
+ Geom::Matrix const m (sp_shape_marker_get_transform_at_start(pathv.begin()->front()));
+ for (int i = 0; i < 2; i++) { // SP_MARKER_LOC and SP_MARKER_LOC_START
+ if ( shape->marker[i] ) {
+ sp_marker_show_instance ((SPMarker* ) shape->marker[i], ai,
+ NR_ARENA_ITEM_GET_KEY(ai) + i, counter[i], m,
+ style->stroke_width.computed);
+ counter[i]++;
+ }
}
+ }
- if ( shape->marker[SP_MARKER_LOC_MID] && (path_it->size_default() > 1) ) {
- Geom::Path::const_iterator curve_it1 = path_it->begin(); // incoming curve
- Geom::Path::const_iterator curve_it2 = ++(path_it->begin()); // outgoing curve
- while (curve_it2 != path_it->end_default())
+ // MID marker
+ if (shape->marker[SP_MARKER_LOC_MID] || shape->marker[SP_MARKER_LOC]) {
+ for(Geom::PathVector::const_iterator path_it = pathv.begin(); path_it != pathv.end(); ++path_it) {
+ // START position
+ if ( path_it != pathv.begin()
+ && ! ((path_it == (pathv.end()-1)) && (path_it->size_default() == 0)) ) // if this is the last path and it is a moveto-only, don't draw mid marker there
{
- /* Put marker between curve_it1 and curve_it2.
- * Loop to end_default (so including closing segment), because when a path is closed,
- * there should be a midpoint marker between last segment and closing straight line segment
- */
- Geom::Matrix const m (sp_shape_marker_get_transform(*curve_it1, *curve_it2));
- sp_marker_show_instance ((SPMarker* ) shape->marker[SP_MARKER_LOC_MID], ai,
- NR_ARENA_ITEM_GET_KEY(ai) + SP_MARKER_LOC_MID, mid_pos, m,
- style->stroke_width.computed);
- mid_pos++;
+ Geom::Matrix const m (sp_shape_marker_get_transform_at_start(path_it->front()));
+ for (int i = 0; i < 3; i += 2) { // SP_MARKER_LOC and SP_MARKER_LOC_MID
+ if ( shape->marker[i] ) {
+ sp_marker_show_instance ((SPMarker* ) shape->marker[i], ai,
+ NR_ARENA_ITEM_GET_KEY(ai) + i, counter[i], m,
+ style->stroke_width.computed);
+ counter[i]++;
+ }
+ }
+ }
+ // MID position
+ if ( path_it->size_default() > 1) {
+ Geom::Path::const_iterator curve_it1 = path_it->begin(); // incoming curve
+ Geom::Path::const_iterator curve_it2 = ++(path_it->begin()); // outgoing curve
+ while (curve_it2 != path_it->end_default())
+ {
+ /* Put marker between curve_it1 and curve_it2.
+ * Loop to end_default (so including closing segment), because when a path is closed,
+ * there should be a midpoint marker between last segment and closing straight line segment
+ */
+ Geom::Matrix const m (sp_shape_marker_get_transform(*curve_it1, *curve_it2));
+ for (int i = 0; i < 3; i += 2) { // SP_MARKER_LOC and SP_MARKER_LOC_MID
+ if (shape->marker[i]) {
+ sp_marker_show_instance ((SPMarker* ) shape->marker[i], ai,
+ NR_ARENA_ITEM_GET_KEY(ai) + i, counter[i], m,
+ style->stroke_width.computed);
+ counter[i]++;
+ }
+ }
- ++curve_it1;
- ++curve_it2;
+ ++curve_it1;
+ ++curve_it2;
+ }
+ }
+ // END position
+ if ( path_it != (pathv.end()-1) && !path_it->empty()) {
+ Geom::Curve const &lastcurve = path_it->back_default();
+ Geom::Matrix const m = sp_shape_marker_get_transform_at_end(lastcurve);
+ for (int i = 0; i < 3; i += 2) { // SP_MARKER_LOC and SP_MARKER_LOC_MID
+ if (shape->marker[i]) {
+ sp_marker_show_instance ((SPMarker* ) shape->marker[i], ai,
+ NR_ARENA_ITEM_GET_KEY(ai) + i, counter[i], m,
+ style->stroke_width.computed);
+ counter[i]++;
+ }
+ }
}
}
+ }
- if ( shape->marker[SP_MARKER_LOC_END] ) {
- /* Get reference to last curve in the path.
- * For moveto-only path, this returns the "closing line segment". */
- unsigned int index = path_it->size_default();
- if (index > 0) {
- index--;
- }
- Geom::Curve const &lastcurve = (*path_it)[index];
+ // END marker
+ if ( shape->marker[SP_MARKER_LOC_END] || shape->marker[SP_MARKER_LOC] ) {
+ /* Get reference to last curve in the path.
+ * For moveto-only path, this returns the "closing line segment". */
+ Geom::Path const &path_last = pathv.back();
+ unsigned int index = path_last.size_default();
+ if (index > 0) {
+ index--;
+ }
+ Geom::Curve const &lastcurve = path_last[index];
+ Geom::Matrix const m = sp_shape_marker_get_transform_at_end(lastcurve);
- Geom::Matrix const m = sp_shape_marker_get_transform_at_end(lastcurve);
- sp_marker_show_instance ((SPMarker* ) shape->marker[SP_MARKER_LOC_END], ai,
- NR_ARENA_ITEM_GET_KEY(ai) + SP_MARKER_LOC_END, end_pos, m,
- style->stroke_width.computed);
- end_pos++;
+ for (int i = 0; i < 4; i += 3) { // SP_MARKER_LOC and SP_MARKER_LOC_END
+ if (shape->marker[i]) {
+ sp_marker_show_instance ((SPMarker* ) shape->marker[i], ai,
+ NR_ARENA_ITEM_GET_KEY(ai) + i, counter[i], m,
+ style->stroke_width.computed);
+ counter[i]++;
+ }
}
}
}
static void
sp_shape_modified (SPObject *object, unsigned int flags)
{
- SPShape *shape = SP_SHAPE (object);
+ SPShape *shape = SP_SHAPE (object);
- if (((SPObjectClass *) (parent_class))->modified) {
- (* ((SPObjectClass *) (parent_class))->modified) (object, flags);
- }
+ if (((SPObjectClass *) (parent_class))->modified) {
+ (* ((SPObjectClass *) (parent_class))->modified) (object, flags);
+ }
- if (flags & SP_OBJECT_STYLE_MODIFIED_FLAG) {
- for (SPItemView *v = SP_ITEM (shape)->display; v != NULL; v = v->next) {
- nr_arena_shape_set_style (NR_ARENA_SHAPE (v->arenaitem), object->style);
- }
- }
+ if (flags & SP_OBJECT_STYLE_MODIFIED_FLAG) {
+ for (SPItemView *v = SP_ITEM (shape)->display; v != NULL; v = v->next) {
+ nr_arena_shape_set_style (NR_ARENA_SHAPE (v->arenaitem), object->style);
+ }
+ }
}
/**
static void sp_shape_bbox(SPItem const *item, NRRect *bbox, Geom::Matrix const &transform, unsigned const flags)
{
SPShape const *shape = SP_SHAPE (item);
-
if (shape->curve) {
-
- NRRect cbbox;
-
- Geom::Rect geombbox = bounds_exact_transformed(shape->curve->get_pathvector(), transform);
- cbbox.x0 = geombbox[0][0];
- cbbox.y0 = geombbox[1][0];
- cbbox.x1 = geombbox[0][1];
- cbbox.y1 = geombbox[1][1];
-
- if ((SPItem::BBoxType) flags != SPItem::GEOMETRIC_BBOX) {
-
- SPStyle* style=SP_OBJECT_STYLE (item);
- if (!style->stroke.isNone()) {
- double const scale = transform.descrim();
- if ( fabs(style->stroke_width.computed * scale) > 0.01 ) { // sinon c'est 0=oon veut pas de bord
- double const width = MAX(0.125, style->stroke_width.computed * scale);
- if ( fabs(cbbox.x1-cbbox.x0) > -0.00001 && fabs(cbbox.y1-cbbox.y0) > -0.00001 ) {
- cbbox.x0-=0.5*width;
- cbbox.x1+=0.5*width;
- cbbox.y0-=0.5*width;
- cbbox.y1+=0.5*width;
- }
+ Geom::OptRect geombbox = bounds_exact_transformed(shape->curve->get_pathvector(), transform);
+ if (geombbox) {
+ NRRect cbbox;
+ cbbox.x0 = (*geombbox)[0][0];
+ cbbox.y0 = (*geombbox)[1][0];
+ cbbox.x1 = (*geombbox)[0][1];
+ cbbox.y1 = (*geombbox)[1][1];
+
+ switch ((SPItem::BBoxType) flags) {
+ case SPItem::GEOMETRIC_BBOX: {
+ // do nothing
+ break;
}
- }
-
- // Union with bboxes of the markers, if any
- if (sp_shape_has_markers (shape)) {
- /* TODO: make code prettier: lots of variables can be taken out of the loop! */
- Geom::PathVector const & pathv = shape->curve->get_pathvector();
- for(Geom::PathVector::const_iterator path_it = pathv.begin(); path_it != pathv.end(); ++path_it) {
- if ( shape->marker[SP_MARKER_LOC_START] ) {
- SPMarker* marker = SP_MARKER (shape->marker[SP_MARKER_LOC_START]);
- SPItem* marker_item = sp_item_first_item_child (SP_OBJECT (shape->marker[SP_MARKER_LOC_START]));
-
- Geom::Matrix tr(sp_shape_marker_get_transform_at_start(path_it->front()));
-
- if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
- tr = Geom::Scale(style->stroke_width.computed) * tr;
+ case SPItem::RENDERING_BBOX: {
+ // convert the stroke to a path and calculate that path's geometric bbox
+ SPStyle* style=SP_OBJECT_STYLE (item);
+ if (!style->stroke.isNone()) {
+ Geom::PathVector *pathv = item_outline(item);
+ if (pathv) {
+ Geom::OptRect geomstrokebbox = bounds_exact_transformed(*pathv, transform);
+ if (geomstrokebbox) {
+ NRRect strokebbox;
+ strokebbox.x0 = (*geomstrokebbox)[0][0];
+ strokebbox.y0 = (*geomstrokebbox)[1][0];
+ strokebbox.x1 = (*geomstrokebbox)[0][1];
+ strokebbox.y1 = (*geomstrokebbox)[1][1];
+ nr_rect_d_union (&cbbox, &cbbox, &strokebbox);
+ }
+ delete pathv;
}
-
- // total marker transform
- tr = marker_item->transform * marker->c2p * tr * transform;
-
- // get bbox of the marker with that transform
- NRRect marker_bbox;
- sp_item_invoke_bbox (marker_item, &marker_bbox, from_2geom(tr), true);
- // union it with the shape bbox
- nr_rect_d_union (&cbbox, &cbbox, &marker_bbox);
}
-
- if ( shape->marker[SP_MARKER_LOC_MID] && (path_it->size_default() > 1) ) {
- Geom::Path::const_iterator curve_it1 = path_it->begin(); // incoming curve
- Geom::Path::const_iterator curve_it2 = ++(path_it->begin()); // outgoing curve
- while (curve_it2 != path_it->end_default())
- {
- /* Put marker between curve_it1 and curve_it2.
- * Loop to end_default (so including closing segment), because when a path is closed,
- * there should be a midpoint marker between last segment and closing straight line segment */
-
- SPMarker* marker = SP_MARKER (shape->marker[SP_MARKER_LOC_MID]);
- SPItem* marker_item = sp_item_first_item_child (SP_OBJECT (shape->marker[SP_MARKER_LOC_MID]));
-
- Geom::Matrix tr(sp_shape_marker_get_transform(*curve_it1, *curve_it2));
-
- if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
- tr = Geom::Scale(style->stroke_width.computed) * tr;
+ break;
+ }
+ default:
+ case SPItem::APPROXIMATE_BBOX: {
+ SPStyle* style=SP_OBJECT_STYLE (item);
+ if (!style->stroke.isNone()) {
+ double const scale = transform.descrim();
+ if ( fabs(style->stroke_width.computed * scale) > 0.01 ) { // sinon c'est 0=oon veut pas de bord
+ double const width = MAX(0.125, style->stroke_width.computed * scale);
+ if ( fabs(cbbox.x1-cbbox.x0) > -0.00001 && fabs(cbbox.y1-cbbox.y0) > -0.00001 ) {
+ cbbox.x0-=0.5*width;
+ cbbox.x1+=0.5*width;
+ cbbox.y0-=0.5*width;
+ cbbox.y1+=0.5*width;
}
-
- // total marker transform
- tr = marker_item->transform * marker->c2p * tr * transform;
-
- // get bbox of the marker with that transform
- NRRect marker_bbox;
- sp_item_invoke_bbox (marker_item, &marker_bbox, from_2geom(tr), true);
- // union it with the shape bbox
- nr_rect_d_union (&cbbox, &cbbox, &marker_bbox);
-
- ++curve_it1;
- ++curve_it2;
}
}
- if ( shape->marker[SP_MARKER_LOC_END] ) {
- SPMarker* marker = SP_MARKER (shape->marker[SP_MARKER_LOC_END]);
- SPItem* marker_item = sp_item_first_item_child (SP_OBJECT (shape->marker[SP_MARKER_LOC_END]));
-
- /* Get reference to last curve in the path.
- * For moveto-only path, this returns the "closing line segment". */
- unsigned int index = path_it->size_default();
- if (index > 0) {
- index--;
+ // Union with bboxes of the markers, if any
+ if (sp_shape_has_markers (shape) && !shape->curve->get_pathvector().empty()) {
+ /** \todo make code prettier! */
+ Geom::PathVector const & pathv = shape->curve->get_pathvector();
+ // START marker
+ for (unsigned i = 0; i < 2; i++) { // SP_MARKER_LOC and SP_MARKER_LOC_START
+ if ( shape->marker[i] ) {
+ SPMarker* marker = SP_MARKER (shape->marker[i]);
+ SPItem* marker_item = sp_item_first_item_child (SP_OBJECT (marker));
+
+ if (marker_item) {
+ Geom::Matrix tr(sp_shape_marker_get_transform_at_start(pathv.begin()->front()));
+ if (!marker->orient_auto) {
+ Geom::Point transl = tr.translation();
+ tr = Geom::Rotate::from_degrees(marker->orient) * Geom::Translate(transl);
+ }
+ if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
+ tr = Geom::Scale(style->stroke_width.computed) * tr;
+ }
+
+ // total marker transform
+ tr = marker_item->transform * marker->c2p * tr * transform;
+
+ // get bbox of the marker with that transform
+ NRRect marker_bbox;
+ sp_item_invoke_bbox (marker_item, &marker_bbox, from_2geom(tr), true);
+ // union it with the shape bbox
+ nr_rect_d_union (&cbbox, &cbbox, &marker_bbox);
+ }
+ }
}
- Geom::Curve const &lastcurve = (*path_it)[index];
-
- Geom::Matrix tr = sp_shape_marker_get_transform_at_end(lastcurve);
-
- if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
- tr = Geom::Scale(style->stroke_width.computed) * tr;
+ // MID marker
+ for (unsigned i = 0; i < 3; i += 2) { // SP_MARKER_LOC and SP_MARKER_LOC_MID
+ SPMarker* marker = SP_MARKER (shape->marker[i]);
+ if ( !shape->marker[i] ) continue;
+ SPItem* marker_item = sp_item_first_item_child (SP_OBJECT (marker));
+ if ( !marker_item ) continue;
+
+ for(Geom::PathVector::const_iterator path_it = pathv.begin(); path_it != pathv.end(); ++path_it) {
+ // START position
+ if ( path_it != pathv.begin()
+ && ! ((path_it == (pathv.end()-1)) && (path_it->size_default() == 0)) ) // if this is the last path and it is a moveto-only, there is no mid marker there
+ {
+ Geom::Matrix tr(sp_shape_marker_get_transform_at_start(path_it->front()));
+ if (!marker->orient_auto) {
+ Geom::Point transl = tr.translation();
+ tr = Geom::Rotate::from_degrees(marker->orient) * Geom::Translate(transl);
+ }
+ if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
+ tr = Geom::Scale(style->stroke_width.computed) * tr;
+ }
+ tr = marker_item->transform * marker->c2p * tr * transform;
+ NRRect marker_bbox;
+ sp_item_invoke_bbox (marker_item, &marker_bbox, from_2geom(tr), true);
+ nr_rect_d_union (&cbbox, &cbbox, &marker_bbox);
+ }
+ // MID position
+ if ( path_it->size_default() > 1) {
+ Geom::Path::const_iterator curve_it1 = path_it->begin(); // incoming curve
+ Geom::Path::const_iterator curve_it2 = ++(path_it->begin()); // outgoing curve
+ while (curve_it2 != path_it->end_default())
+ {
+ /* Put marker between curve_it1 and curve_it2.
+ * Loop to end_default (so including closing segment), because when a path is closed,
+ * there should be a midpoint marker between last segment and closing straight line segment */
+
+ SPMarker* marker = SP_MARKER (shape->marker[i]);
+ SPItem* marker_item = sp_item_first_item_child (SP_OBJECT (marker));
+
+ if (marker_item) {
+ Geom::Matrix tr(sp_shape_marker_get_transform(*curve_it1, *curve_it2));
+ if (!marker->orient_auto) {
+ Geom::Point transl = tr.translation();
+ tr = Geom::Rotate::from_degrees(marker->orient) * Geom::Translate(transl);
+ }
+ if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
+ tr = Geom::Scale(style->stroke_width.computed) * tr;
+ }
+ tr = marker_item->transform * marker->c2p * tr * transform;
+ NRRect marker_bbox;
+ sp_item_invoke_bbox (marker_item, &marker_bbox, from_2geom(tr), true);
+ nr_rect_d_union (&cbbox, &cbbox, &marker_bbox);
+ }
+
+ ++curve_it1;
+ ++curve_it2;
+ }
+ }
+ // END position
+ if ( path_it != (pathv.end()-1) && !path_it->empty()) {
+ Geom::Curve const &lastcurve = path_it->back_default();
+ Geom::Matrix tr = sp_shape_marker_get_transform_at_end(lastcurve);
+ if (!marker->orient_auto) {
+ Geom::Point transl = tr.translation();
+ tr = Geom::Rotate::from_degrees(marker->orient) * Geom::Translate(transl);
+ }
+ if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
+ tr = Geom::Scale(style->stroke_width.computed) * tr;
+ }
+ tr = marker_item->transform * marker->c2p * tr * transform;
+ NRRect marker_bbox;
+ sp_item_invoke_bbox (marker_item, &marker_bbox, tr, true);
+ nr_rect_d_union (&cbbox, &cbbox, &marker_bbox);
+ }
+ }
+ }
+ // END marker
+ for (unsigned i = 0; i < 4; i += 3) { // SP_MARKER_LOC and SP_MARKER_LOC_END
+ if ( shape->marker[i] ) {
+ SPMarker* marker = SP_MARKER (shape->marker[i]);
+ SPItem* marker_item = sp_item_first_item_child (SP_OBJECT (marker));
+
+ if (marker_item) {
+ /* Get reference to last curve in the path.
+ * For moveto-only path, this returns the "closing line segment". */
+ Geom::Path const &path_last = pathv.back();
+ unsigned int index = path_last.size_default();
+ if (index > 0) {
+ index--;
+ }
+ Geom::Curve const &lastcurve = path_last[index];
+
+ Geom::Matrix tr = sp_shape_marker_get_transform_at_end(lastcurve);
+ if (!marker->orient_auto) {
+ Geom::Point transl = tr.translation();
+ tr = Geom::Rotate::from_degrees(marker->orient) * Geom::Translate(transl);
+ }
+ if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
+ tr = Geom::Scale(style->stroke_width.computed) * tr;
+ }
+
+ // total marker transform
+ tr = marker_item->transform * marker->c2p * tr * transform;
+
+ // get bbox of the marker with that transform
+ NRRect marker_bbox;
+ sp_item_invoke_bbox (marker_item, &marker_bbox, tr, true);
+ // union it with the shape bbox
+ nr_rect_d_union (&cbbox, &cbbox, &marker_bbox);
+ }
+ }
}
-
- // total marker transform
- tr = marker_item->transform * marker->c2p * tr * transform;
-
- // get bbox of the marker with that transform
- NRRect marker_bbox;
- sp_item_invoke_bbox (marker_item, &marker_bbox, tr, true);
- // union it with the shape bbox
- nr_rect_d_union (&cbbox, &cbbox, &marker_bbox);
}
- }
- }
- }
+ break;
+ } // end case approximate bbox type
+ } // end switch bboxtype
- // copy our bbox to the variable we're given
- *bbox = cbbox;
+ // copy our bbox to the variable we're given
+ *bbox = cbbox;
+ }
}
}
+static void
+sp_shape_print_invoke_marker_printing(SPObject* obj, Geom::Matrix tr, SPStyle* style, SPPrintContext *ctx) {
+ SPMarker *marker = SP_MARKER(obj);
+ if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
+ tr = Geom::Scale(style->stroke_width.computed) * tr;
+ }
+
+ SPItem* marker_item = sp_item_first_item_child (SP_OBJECT (marker));
+ tr = marker_item->transform * marker->c2p * tr;
+
+ Geom::Matrix old_tr = marker_item->transform;
+ marker_item->transform = tr;
+ sp_item_invoke_print (marker_item, ctx);
+ marker_item->transform = old_tr;
+}
/**
* Prepares shape for printing. Handles printing of comments for printing
* debugging, sizes the item to fit into the document width/height,
@@ -606,13 +764,17 @@ static void sp_shape_bbox(SPItem const *item, NRRect *bbox, Geom::Matrix const &
void
sp_shape_print (SPItem *item, SPPrintContext *ctx)
{
- NRRect pbox, dbox, bbox;
+ NRRect pbox, dbox, bbox;
+
+ SPShape *shape = SP_SHAPE(item);
- SPShape *shape = SP_SHAPE(item);
+ if (!shape->curve) return;
- if (!shape->curve) return;
+ Geom::PathVector const & pathv = shape->curve->get_pathvector();
+ if (pathv.empty()) return;
- gint add_comments = prefs_get_int_attribute_limited ("printing.debug", "add-label-comments", 0, 0, 1);
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ gint add_comments = prefs->getBool("/printing/debug/add-label-comments");
if (add_comments) {
gchar * comment = g_strdup_printf("begin '%s'",
SP_OBJECT(item)->defaultLabel());
}
/* fixme: Think (Lauris) */
- sp_item_invoke_bbox(item, &pbox, NR::identity(), TRUE);
+ sp_item_invoke_bbox(item, &pbox, Geom::identity(), TRUE);
dbox.x0 = 0.0;
dbox.y0 = 0.0;
dbox.x1 = sp_document_width (SP_OBJECT_DOCUMENT (item));
sp_item_bbox_desktop (item, &bbox);
Geom::Matrix const i2d(sp_item_i2d_affine(item));
- SPStyle* style = SP_OBJECT_STYLE (item);
+ SPStyle* style = SP_OBJECT_STYLE (item);
if (!style->fill.isNone()) {
- sp_print_fill (ctx, shape->curve->get_pathvector(), &i2d, style, &pbox, &dbox, &bbox);
+ sp_print_fill (ctx, pathv, &i2d, style, &pbox, &dbox, &bbox);
}
if (!style->stroke.isNone()) {
- sp_print_stroke (ctx, shape->curve->get_pathvector(), &i2d, style, &pbox, &dbox, &bbox);
+ sp_print_stroke (ctx, pathv, &i2d, style, &pbox, &dbox, &bbox);
}
- /* TODO: make code prettier: lots of variables can be taken out of the loop! */
- Geom::PathVector const & pathv = shape->curve->get_pathvector();
- for(Geom::PathVector::const_iterator path_it = pathv.begin(); path_it != pathv.end(); ++path_it) {
- if ( shape->marker[SP_MARKER_LOC_START] ) {
- SPMarker* marker = SP_MARKER (shape->marker[SP_MARKER_LOC_START]);
- SPItem* marker_item = sp_item_first_item_child (SP_OBJECT (shape->marker[SP_MARKER_LOC_START]));
-
- Geom::Matrix tr(sp_shape_marker_get_transform_at_start(path_it->front()));
-
- if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
- tr = Geom::Scale(style->stroke_width.computed) * tr;
- }
-
- tr = marker_item->transform * marker->c2p * tr;
-
- NR::Matrix old_tr = marker_item->transform;
- marker_item->transform = tr;
- sp_item_invoke_print (marker_item, ctx);
- marker_item->transform = old_tr;
+ /** \todo make code prettier */
+ // START marker
+ for (int i = 0; i < 2; i++) { // SP_MARKER_LOC and SP_MARKER_LOC_START
+ if ( shape->marker[i] ) {
+ Geom::Matrix tr(sp_shape_marker_get_transform_at_start(pathv.begin()->front()));
+ sp_shape_print_invoke_marker_printing(shape->marker[i], tr, style, ctx);
}
-
- if ( shape->marker[SP_MARKER_LOC_MID] && (path_it->size_default() > 1) ) {
- Geom::Path::const_iterator curve_it1 = path_it->begin(); // incoming curve
- Geom::Path::const_iterator curve_it2 = ++(path_it->begin()); // outgoing curve
- while (curve_it2 != path_it->end_default())
- {
- /* Put marker between curve_it1 and curve_it2.
- * Loop to end_default (so including closing segment), because when a path is closed,
- * there should be a midpoint marker between last segment and closing straight line segment */
-
- SPMarker* marker = SP_MARKER (shape->marker[SP_MARKER_LOC_MID]);
- SPItem* marker_item = sp_item_first_item_child (SP_OBJECT (shape->marker[SP_MARKER_LOC_MID]));
-
- Geom::Matrix tr(sp_shape_marker_get_transform(*curve_it1, *curve_it2));
-
- if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
- tr = Geom::Scale(style->stroke_width.computed) * tr;
+ }
+ // MID marker
+ for (int i = 0; i < 3; i += 2) { // SP_MARKER_LOC and SP_MARKER_LOC_MID
+ if (shape->marker[i]) {
+ for(Geom::PathVector::const_iterator path_it = pathv.begin(); path_it != pathv.end(); ++path_it) {
+ // START position
+ if ( path_it != pathv.begin()
+ && ! ((path_it == (pathv.end()-1)) && (path_it->size_default() == 0)) ) // if this is the last path and it is a moveto-only, there is no mid marker there
+ {
+ Geom::Matrix tr(sp_shape_marker_get_transform_at_start(path_it->front()));
+ sp_shape_print_invoke_marker_printing(shape->marker[i], tr, style, ctx);
+ }
+ // MID position
+ if ( path_it->size_default() > 1) {
+ Geom::Path::const_iterator curve_it1 = path_it->begin(); // incoming curve
+ Geom::Path::const_iterator curve_it2 = ++(path_it->begin()); // outgoing curve
+ while (curve_it2 != path_it->end_default())
+ {
+ /* Put marker between curve_it1 and curve_it2.
+ * Loop to end_default (so including closing segment), because when a path is closed,
+ * there should be a midpoint marker between last segment and closing straight line segment */
+ Geom::Matrix tr(sp_shape_marker_get_transform(*curve_it1, *curve_it2));
+
+ sp_shape_print_invoke_marker_printing(shape->marker[i], tr, style, ctx);
+
+ ++curve_it1;
+ ++curve_it2;
+ }
+ }
+ if ( path_it != (pathv.end()-1) && !path_it->empty()) {
+ Geom::Curve const &lastcurve = path_it->back_default();
+ Geom::Matrix tr = sp_shape_marker_get_transform_at_end(lastcurve);
+ sp_shape_print_invoke_marker_printing(shape->marker[i], tr, style, ctx);
}
-
- tr = marker_item->transform * marker->c2p * tr;
-
- NR::Matrix old_tr = marker_item->transform;
- marker_item->transform = tr;
- sp_item_invoke_print (marker_item, ctx);
- marker_item->transform = old_tr;
-
- ++curve_it1;
- ++curve_it2;
}
}
+ }
+ // END marker
+ if ( shape->marker[SP_MARKER_LOC_END] || shape->marker[SP_MARKER_LOC]) {
+ /* Get reference to last curve in the path.
+ * For moveto-only path, this returns the "closing line segment". */
+ Geom::Path const &path_last = pathv.back();
+ unsigned int index = path_last.size_default();
+ if (index > 0) {
+ index--;
+ }
+ Geom::Curve const &lastcurve = path_last[index];
- if ( shape->marker[SP_MARKER_LOC_END] ) {
- SPMarker* marker = SP_MARKER (shape->marker[SP_MARKER_LOC_END]);
- SPItem* marker_item = sp_item_first_item_child (SP_OBJECT (shape->marker[SP_MARKER_LOC_END]));
-
- /* Get reference to last curve in the path.
- * For moveto-only path, this returns the "closing line segment". */
- unsigned int index = path_it->size_default();
- if (index > 0) {
- index--;
- }
- Geom::Curve const &lastcurve = (*path_it)[index];
-
- Geom::Matrix tr = sp_shape_marker_get_transform_at_end(lastcurve);
+ Geom::Matrix tr = sp_shape_marker_get_transform_at_end(lastcurve);
- if (marker->markerUnits == SP_MARKER_UNITS_STROKEWIDTH) {
- tr = Geom::Scale(style->stroke_width.computed) * tr;
+ for (int i = 0; i < 4; i += 3) { // SP_MARKER_LOC and SP_MARKER_LOC_END
+ if (shape->marker[i]) {
+ sp_shape_print_invoke_marker_printing(shape->marker[i], tr, style, ctx);
}
-
- tr = marker_item->transform * marker->c2p * tr;
-
- NR::Matrix old_tr = marker_item->transform;
- marker_item->transform = tr;
- sp_item_invoke_print (marker_item, ctx);
- marker_item->transform = old_tr;
}
}
static NRArenaItem *
sp_shape_show (SPItem *item, NRArena *arena, unsigned int /*key*/, unsigned int /*flags*/)
{
- SPObject *object = SP_OBJECT(item);
- SPShape *shape = SP_SHAPE(item);
-
- NRArenaItem *arenaitem = NRArenaShape::create(arena);
- NRArenaShape * const s = NR_ARENA_SHAPE(arenaitem);
- nr_arena_shape_set_style(s, object->style);
- nr_arena_shape_set_path(s, shape->curve, false);
- boost::optional<Geom::Rect> paintbox = item->getBounds(Geom::identity());
- if (paintbox) {
- s->setPaintBox(*paintbox);
- }
+ SPObject *object = SP_OBJECT(item);
+ SPShape *shape = SP_SHAPE(item);
+
+ NRArenaItem *arenaitem = NRArenaShape::create(arena);
+ NRArenaShape * const s = NR_ARENA_SHAPE(arenaitem);
+ nr_arena_shape_set_style(s, object->style);
+ nr_arena_shape_set_path(s, shape->curve, false);
+ Geom::OptRect paintbox = item->getBounds(Geom::identity());
+ if (paintbox) {
+ s->setPaintBox(*paintbox);
+ }
- if (sp_shape_has_markers (shape)) {
+ /* This stanza checks that an object's marker style agrees with
+ * the marker objects it has allocated. sp_shape_set_marker ensures
+ * that the appropriate marker objects are present (or absent) to
+ * match the style.
+ */
+ for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
+ sp_shape_set_marker (object, i, object->style->marker[i].value);
+ }
- /* Dimension the marker views */
- if (!arenaitem->key) {
- NR_ARENA_ITEM_SET_KEY (arenaitem, sp_item_display_key_new (SP_MARKER_LOC_QTY));
- }
+ if (sp_shape_has_markers (shape)) {
- for (int i = 0; i < SP_MARKER_LOC_QTY; i++) {
- if (shape->marker[i]) {
- sp_marker_show_dimension ((SPMarker *) shape->marker[i],
- NR_ARENA_ITEM_GET_KEY (arenaitem) + i - SP_MARKER_LOC,
- sp_shape_number_of_markers (shape, i));
- }
- }
+ /* provide key and dimension the marker views */
+ if (!arenaitem->key) {
+ NR_ARENA_ITEM_SET_KEY (arenaitem, sp_item_display_key_new (SP_MARKER_LOC_QTY));
+ }
+ for (int i = 0; i < SP_MARKER_LOC_QTY; i++) {
+ if (shape->marker[i]) {
+ sp_marker_show_dimension ((SPMarker *) shape->marker[i],
+ NR_ARENA_ITEM_GET_KEY (arenaitem) + i,
+ sp_shape_number_of_markers (shape, i));
+ }
+ }
- /* Update marker views */
- sp_shape_update_marker_view (shape, arenaitem);
- }
+ /* Update marker views */
+ sp_shape_update_marker_view (shape, arenaitem);
+ }
- return arenaitem;
+ return arenaitem;
}
/**
@@ -772,26 +928,26 @@ sp_shape_show (SPItem *item, NRArena *arena, unsigned int /*key*/, unsigned int
static void
sp_shape_hide (SPItem *item, unsigned int key)
{
- SPShape *shape;
- SPItemView *v;
- int i;
+ SPShape *shape;
+ SPItemView *v;
+ int i;
- shape = (SPShape *) item;
+ shape = (SPShape *) item;
- for (i=0; i<SP_MARKER_LOC_QTY; i++) {
- if (shape->marker[i]) {
- for (v = item->display; v != NULL; v = v->next) {
+ for (i=0; i<SP_MARKER_LOC_QTY; i++) {
+ if (shape->marker[i]) {
+ for (v = item->display; v != NULL; v = v->next) {
if (key == v->key) {
- sp_marker_hide ((SPMarker *) shape->marker[i],
+ sp_marker_hide ((SPMarker *) shape->marker[i],
NR_ARENA_ITEM_GET_KEY (v->arenaitem) + i);
}
- }
- }
- }
+ }
+ }
+ }
- if (((SPItemClass *) parent_class)->hide) {
- ((SPItemClass *) parent_class)->hide (item, key);
- }
+ if (((SPItemClass *) parent_class)->hide) {
+ ((SPItemClass *) parent_class)->hide (item, key);
+ }
}
/**
return (
shape->curve &&
- (shape->marker[SP_MARKER_LOC_START] ||
+ (shape->marker[SP_MARKER_LOC] ||
+ shape->marker[SP_MARKER_LOC_START] ||
shape->marker[SP_MARKER_LOC_MID] ||
shape->marker[SP_MARKER_LOC_END])
);
sp_shape_number_of_markers (SPShape *shape, int type)
{
Geom::PathVector const & pathv = shape->curve->get_pathvector();
+ if (pathv.size() == 0) {
+ return 0;
+ }
switch(type) {
- case SP_MARKER_LOC_START:
- return shape->marker[SP_MARKER_LOC_START] ? pathv.size() : 0;
-
- case SP_MARKER_LOC_MID:
+ case SP_MARKER_LOC:
{
- if ( shape->marker[SP_MARKER_LOC_MID] ) {
- guint n = 0;
+ if ( shape->marker[SP_MARKER_LOC] ) {
+ guint n = 0;
for(Geom::PathVector::const_iterator path_it = pathv.begin(); path_it != pathv.end(); ++path_it) {
- n += path_it->size();
- n += path_it->closed() ? 1 : 0;
+ n += path_it->size_default() + 1;
}
return n;
} else {
return 0;
}
}
+ case SP_MARKER_LOC_START:
+ // there is only a start marker on the first path of a pathvector
+ return shape->marker[SP_MARKER_LOC_START] ? 1 : 0;
- case SP_MARKER_LOC_END:
+ case SP_MARKER_LOC_MID:
{
- if ( shape->marker[SP_MARKER_LOC_END] ) {
+ if ( shape->marker[SP_MARKER_LOC_MID] ) {
guint n = 0;
for(Geom::PathVector::const_iterator path_it = pathv.begin(); path_it != pathv.end(); ++path_it) {
- if (!path_it->empty()) {
- n++;
- }
+ n += path_it->size_default() + 1;
}
- return n;
+ return n - 2; // minus the start and end marker.
} else {
return 0;
}
}
+ case SP_MARKER_LOC_END:
+ {
+ // there is only an end marker on the last path of a pathvector
+ return shape->marker[SP_MARKER_LOC_END] ? 1 : 0;
+ }
+
default:
return 0;
}
static void
sp_shape_marker_release (SPObject *marker, SPShape *shape)
{
- SPItem *item;
- int i;
-
- item = (SPItem *) shape;
-
- for (i = SP_MARKER_LOC_START; i < SP_MARKER_LOC_QTY; i++) {
- if (marker == shape->marker[i]) {
- SPItemView *v;
- /* Hide marker */
- for (v = item->display; v != NULL; v = v->next) {
- sp_marker_hide ((SPMarker *) (shape->marker[i]), NR_ARENA_ITEM_GET_KEY (v->arenaitem) + i);
- /* fixme: Do we need explicit remove here? (Lauris) */
- /* nr_arena_item_set_mask (v->arenaitem, NULL); */
- }
- /* Detach marker */
- sp_signal_disconnect_by_data (shape->marker[i], item);
- shape->marker[i] = sp_object_hunref (shape->marker[i], item);
- }
- }
+ SPItem *item;
+ int i;
+
+ item = (SPItem *) shape;
+
+ for (i = 0; i < SP_MARKER_LOC_QTY; i++) {
+ if (marker == shape->marker[i]) {
+ SPItemView *v;
+ /* Hide marker */
+ for (v = item->display; v != NULL; v = v->next) {
+ sp_marker_hide ((SPMarker *) (shape->marker[i]), NR_ARENA_ITEM_GET_KEY (v->arenaitem) + i);
+ /* fixme: Do we need explicit remove here? (Lauris) */
+ /* nr_arena_item_set_mask (v->arenaitem, NULL); */
+ }
+ /* Detach marker */
+ shape->release_connect[i].disconnect();
+ shape->modified_connect[i].disconnect();
+ shape->marker[i] = sp_object_hunref (shape->marker[i], item);
+ }
+ }
}
/**
static void
sp_shape_marker_modified (SPObject */*marker*/, guint /*flags*/, SPItem */*item*/)
{
- /* I think mask does update automagically */
- /* g_warning ("Item %s mask %s modified", SP_OBJECT_ID (item), SP_OBJECT_ID (mask)); */
+ /* I think mask does update automagically */
+ /* g_warning ("Item %s mask %s modified", SP_OBJECT_ID (item), SP_OBJECT_ID (mask)); */
}
/**
- * Adds a new marker to shape object at the location indicated by key. value
+ * Adds a new marker to shape object at the location indicated by key. value
* must be a valid URI reference resolvable from the shape object (i.e., present
* in the document <defs>). If the shape object already has a marker
* registered at the given position, it is removed first. Then the
SPItem *item = (SPItem *) object;
SPShape *shape = (SPShape *) object;
- if (key < SP_MARKER_LOC_START || key > SP_MARKER_LOC_END) {
+ if (key > SP_MARKER_LOC_END) {
return;
}
void
sp_shape_set_shape (SPShape *shape)
{
- g_return_if_fail (shape != NULL);
- g_return_if_fail (SP_IS_SHAPE (shape));
+ g_return_if_fail (shape != NULL);
+ g_return_if_fail (SP_IS_SHAPE (shape));
- if (SP_SHAPE_CLASS (G_OBJECT_GET_CLASS (shape))->set_shape) {
- SP_SHAPE_CLASS (G_OBJECT_GET_CLASS (shape))->set_shape (shape);
- }
+ if (SP_SHAPE_CLASS (G_OBJECT_GET_CLASS (shape))->set_shape) {
+ SP_SHAPE_CLASS (G_OBJECT_GET_CLASS (shape))->set_shape (shape);
+ }
}
/**
void
sp_shape_set_curve (SPShape *shape, SPCurve *curve, unsigned int owner)
{
- if (shape->curve) {
- shape->curve = shape->curve->unref();
- }
- if (curve) {
- if (owner) {
- shape->curve = curve->ref();
- } else {
- shape->curve = curve->copy();
- }
- }
+ if (shape->curve) {
+ shape->curve = shape->curve->unref();
+ }
+ if (curve) {
+ if (owner) {
+ shape->curve = curve->ref();
+ } else {
+ shape->curve = curve->copy();
+ }
+ }
SP_OBJECT(shape)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
SPCurve *
sp_shape_get_curve (SPShape *shape)
{
- if (shape->curve) {
- return shape->curve->copy();
- }
- return NULL;
+ if (shape->curve) {
+ return shape->curve->copy();
+ }
+ return NULL;
}
/**
void
sp_shape_set_curve_insync (SPShape *shape, SPCurve *curve, unsigned int owner)
{
- if (shape->curve) {
- shape->curve = shape->curve->unref();
- }
- if (curve) {
- if (owner) {
- shape->curve = curve->ref();
- } else {
- shape->curve = curve->copy();
- }
- }
+ if (shape->curve) {
+ shape->curve = shape->curve->unref();
+ }
+ if (curve) {
+ if (owner) {
+ shape->curve = curve->ref();
+ } else {
+ shape->curve = curve->copy();
+ }
+ }
}
/**
* Return all nodes in a path that are to be considered for snapping
*/
-static void sp_shape_snappoints(SPItem const *item, SnapPointsIter p)
+static void sp_shape_snappoints(SPItem const *item, std::vector<Inkscape::SnapCandidatePoint> &p, Inkscape::SnapPreferences const *snapprefs)
{
g_assert(item != NULL);
g_assert(SP_IS_SHAPE(item));
return;
}
+ // Help enforcing strict snapping, i.e. only return nodes when we're snapping nodes to nodes or a guide to nodes
+ if (!(snapprefs->getSnapModeNode() || snapprefs->getSnapModeGuide())) {
+ return;
+ }
+
Geom::PathVector const &pathv = shape->curve->get_pathvector();
if (pathv.empty())
return;
Geom::Matrix const i2d (sp_item_i2d_affine (item));
+ if (snapprefs->getSnapObjectMidpoints()) {
+ Geom::OptRect bbox = item->getBounds(sp_item_i2d_affine(item));
+ if (bbox) {
+ p.push_back(Inkscape::SnapCandidatePoint(bbox->midpoint(), Inkscape::SNAPSOURCE_OBJECT_MIDPOINT, Inkscape::SNAPTARGET_OBJECT_MIDPOINT));
+ }
+ }
+
for(Geom::PathVector::const_iterator path_it = pathv.begin(); path_it != pathv.end(); ++path_it) {
- *p = from_2geom(path_it->initialPoint() * i2d);
+ if (snapprefs->getSnapToItemNode()) {
+ // Add the first point of the path
+ p.push_back(Inkscape::SnapCandidatePoint(path_it->initialPoint() * i2d, Inkscape::SNAPSOURCE_NODE_CUSP, Inkscape::SNAPTARGET_NODE_CUSP));
+ }
Geom::Path::const_iterator curve_it1 = path_it->begin(); // incoming curve
Geom::Path::const_iterator curve_it2 = ++(path_it->begin()); // outgoing curve
- while (curve_it2 != path_it->end_closed())
+ while (curve_it1 != path_it->end_default())
{
- /* Test whether to add the node between curve_it1 and curve_it2.
- * Loop to end_closed (so always including closing segment), the last node to be added
- * is the node between the closing segment and the segment before that one. Regardless
- * of the path being closed. If the path is closed, the final point was already added by
- * adding the initial point. */
-
- Geom::NodeType nodetype = Geom::get_nodetype(*curve_it1, *curve_it2);
-
- // Only add cusp nodes. TODO: Shouldn't this be a preference instead?
- if (nodetype == Geom::NODE_NONE) {
- *p = from_2geom(curve_it1->finalPoint() * i2d);
+ // For each path: consider midpoints of line segments for snapping
+ if (snapprefs->getSnapLineMidpoints()) { // only do this when we're snapping nodes (enforces strict snapping)
+ if (Geom::LineSegment const* line_segment = dynamic_cast<Geom::LineSegment const*>(&(*curve_it1))) {
+ p.push_back(Inkscape::SnapCandidatePoint(Geom::middle_point(*line_segment) * i2d, Inkscape::SNAPSOURCE_LINE_MIDPOINT, Inkscape::SNAPTARGET_LINE_MIDPOINT));
+ }
}
- if (nodetype == Geom::NODE_CUSP) {
- *p = from_2geom(curve_it1->finalPoint() * i2d);
+
+ if (curve_it2 == path_it->end_default()) { // Test will only pass for the last iteration of the while loop
+ if (snapprefs->getSnapToItemNode() && !path_it->closed()) {
+ // Add the last point of the path, but only for open paths
+ // (for closed paths the first and last point will coincide)
+ p.push_back(Inkscape::SnapCandidatePoint((*curve_it1).finalPoint() * i2d, Inkscape::SNAPSOURCE_NODE_CUSP, Inkscape::SNAPTARGET_NODE_CUSP));
+ }
+ } else {
+ /* Test whether to add the node between curve_it1 and curve_it2.
+ * Loop to end_default (so only iterating through the stroked part); */
+
+ Geom::NodeType nodetype = Geom::get_nodetype(*curve_it1, *curve_it2);
+
+ bool c1 = snapprefs->getSnapToItemNode() && (nodetype == Geom::NODE_CUSP || nodetype == Geom::NODE_NONE);
+ bool c2 = snapprefs->getSnapSmoothNodes() && (nodetype == Geom::NODE_SMOOTH || nodetype == Geom::NODE_SYMM);
+
+ if (c1 || c2) {
+ Inkscape::SnapSourceType sst;
+ Inkscape::SnapTargetType stt;
+ switch (nodetype) {
+ case Geom::NODE_CUSP:
+ sst = Inkscape::SNAPSOURCE_NODE_CUSP;
+ stt = Inkscape::SNAPTARGET_NODE_CUSP;
+ break;
+ case Geom::NODE_SMOOTH:
+ case Geom::NODE_SYMM:
+ sst = Inkscape::SNAPSOURCE_NODE_SMOOTH;
+ stt = Inkscape::SNAPTARGET_NODE_SMOOTH;
+ break;
+ default:
+ sst = Inkscape::SNAPSOURCE_UNDEFINED;
+ stt = Inkscape::SNAPTARGET_UNDEFINED;
+ break;
+ }
+ p.push_back(Inkscape::SnapCandidatePoint(curve_it1->finalPoint() * i2d, sst, stt));
+ }
}
++curve_it1;
++curve_it2;
}
+
+ // Find the internal intersections of each path and consider these for snapping
+ // (using "Method 1" as described in Inkscape::ObjectSnapper::_collectNodes())
+ if (snapprefs->getSnapIntersectionCS()) {
+ Geom::Crossings cs;
+ try {
+ cs = self_crossings(*path_it);
+ if (cs.size() > 0) { // There might be multiple intersections...
+ for (Geom::Crossings::const_iterator i = cs.begin(); i != cs.end(); i++) {
+ Geom::Point p_ix = (*path_it).pointAt((*i).ta);
+ p.push_back(Inkscape::SnapCandidatePoint(p_ix * i2d, Inkscape::SNAPSOURCE_PATH_INTERSECTION, Inkscape::SNAPTARGET_PATH_INTERSECTION));
+ }
+ }
+ } catch (Geom::RangeError &e) {
+ // do nothing
+ // The exception could be Geom::InfiniteSolutions: then no snappoints should be added
+ }
+
+ }
}
+
}
/*
fill-column:99
End:
*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :