diff --git a/src/sp-item.cpp b/src/sp-item.cpp
index 4a5c0079b4fb6bd1499083cd63ad09d3f9eb5b92..b0b6d8137f4cb9ba9109b7168886c6c09bc7f4ad 100644 (file)
--- a/src/sp-item.cpp
+++ b/src/sp-item.cpp
#include "attributes.h"
#include "document.h"
#include "uri.h"
+#include "inkscape.h"
+#include "desktop-handles.h"
#include "style.h"
#include <glibmm/i18n.h>
#include "conn-avoid-ref.h"
#include "conditions.h"
#include "sp-filter-reference.h"
+#include "filter-chemistry.h"
+#include "sp-guide.h"
-#include "libnr/nr-matrix-div.h"
#include "libnr/nr-matrix-fns.h"
#include "libnr/nr-matrix-scale-ops.h"
#include "libnr/nr-matrix-translate-ops.h"
#include "libnr/nr-scale-translate-ops.h"
#include "libnr/nr-translate-scale-ops.h"
+#include "libnr/nr-convert2geom.h"
#include "algorithms/find-last-if.h"
#include "util/reverse-list.h"
+#include <2geom/rect.h>
+#include <2geom/transforms.h>
#include "xml/repr.h"
#include "extract-uri.h"
+#include "live_effects/lpeobject.h"
+#include "live_effects/effect.h"
+#include "live_effects/lpeobject-reference.h"
+
#define noSP_ITEM_DEBUG_IDLE
static void sp_item_class_init(SPItemClass *klass);
static void sp_item_release(SPObject *object);
static void sp_item_set(SPObject *object, unsigned key, gchar const *value);
static void sp_item_update(SPObject *object, SPCtx *ctx, guint flags);
-static Inkscape::XML::Node *sp_item_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
+static Inkscape::XML::Node *sp_item_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags);
static gchar *sp_item_private_description(SPItem *item);
static void sp_item_private_snappoints(SPItem const *item, SnapPointsIter p);
*/
void
SPItem::setCenter(NR::Point object_centre) {
- NR::Maybe<NR::Rect> bbox = getBounds(sp_item_i2d_affine(this));
+ boost::optional<NR::Rect> bbox = getBounds(from_2geom(sp_item_i2d_affine(this)));
if (bbox) {
transform_center_x = object_centre[NR::X] - bbox->midpoint()[NR::X];
if (fabs(transform_center_x) < 1e-5) // rounding error
}
NR::Point SPItem::getCenter() const {
- NR::Maybe<NR::Rect> bbox = getBounds(sp_item_i2d_affine(this));
+ boost::optional<NR::Rect> bbox = getBounds(from_2geom(sp_item_i2d_affine(this)));
if (bbox) {
return bbox->midpoint() + NR::Point (this->transform_center_x, this->transform_center_y);
} else {
item->_clip_ref_connection.disconnect();
item->_mask_ref_connection.disconnect();
+ // Note: do this here before the clip_ref is deleted, since calling
+ // sp_document_ensure_up_to_date for triggered routing may reference
+ // the deleted clip_ref.
+ if (item->avoidRef) {
+ delete item->avoidRef;
+ item->avoidRef = NULL;
+ }
+
if (item->clip_ref) {
item->clip_ref->detach();
delete item->clip_ref;
item->mask_ref = NULL;
}
- if (item->avoidRef) {
- delete item->avoidRef;
- item->avoidRef = NULL;
- }
-
if (((SPObjectClass *) (parent_class))->release) {
((SPObjectClass *) parent_class)->release(object);
}
}
}
- SPClipPath *clip_path = item->clip_ref->getObject();
- SPMask *mask = item->mask_ref->getObject();
+ SPClipPath *clip_path = item->clip_ref ? item->clip_ref->getObject() : NULL;
+ SPMask *mask = item->mask_ref ? item->mask_ref->getObject() : NULL;
if ( clip_path || mask ) {
NRRect bbox;
}
}
- if (item->display && item->display->arenaitem) {
+ /* Update bounding box data used by filters */
+ if (item->style->filter.set && item->display) {
NRRect item_bbox;
sp_item_invoke_bbox(item, &item_bbox, NR::identity(), TRUE, SPItem::GEOMETRIC_BBOX);
- NR::Maybe<NR::Rect> i_bbox = item_bbox;
- nr_arena_item_set_item_bbox(item->display->arenaitem, i_bbox);
+ boost::optional<NR::Rect> i_bbox = item_bbox;
+
+ SPItemView *itemview = item->display;
+ do {
+ if (itemview->arenaitem)
+ nr_arena_item_set_item_bbox(itemview->arenaitem, i_bbox);
+ } while ( (itemview = itemview->next) );
}
// Update libavoid with item geometry (for connector routing).
- item->avoidRef->handleSettingChange();
+ if (item->avoidRef)
+ item->avoidRef->handleSettingChange();
}
static Inkscape::XML::Node *
-sp_item_write(SPObject *const object, Inkscape::XML::Node *repr, guint flags)
+sp_item_write(SPObject *const object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
{
SPItem *item = SP_ITEM(object);
@@ -667,27 +687,159 @@ sp_item_write(SPObject *const object, Inkscape::XML::Node *repr, guint flags)
}
if (((SPObjectClass *) (parent_class))->write) {
- ((SPObjectClass *) (parent_class))->write(object, repr, flags);
+ ((SPObjectClass *) (parent_class))->write(object, xml_doc, repr, flags);
}
return repr;
}
-NR::Maybe<NR::Rect> SPItem::getBounds(NR::Matrix const &transform,
+boost::optional<NR::Rect> SPItem::getBounds(NR::Matrix const &transform,
SPItem::BBoxType type,
- unsigned int dkey) const
+ unsigned int /*dkey*/) const
{
- NRRect r;
+ boost::optional<NR::Rect> r;
sp_item_invoke_bbox_full(this, &r, transform, type, TRUE);
return r;
}
+/*
+ * If the item is empty, or has an empty boundingbox for another reason, this method will
+ * return an empty rectangle. I.e. "getBounds(...).isEmpty() == true".
+ */
+Geom::Rect
+SPItem::getBounds(Geom::Matrix const &transform, SPItem::BBoxType type, unsigned int /*dkey*/)
+const
+{
+ boost::optional<NR::Rect> r;
+ sp_item_invoke_bbox_full(this, &r, from_2geom(transform), type, TRUE);
+ if (r)
+ return to_2geom(*r);
+ else
+ return Geom::Rect(); // return empty rectangle
+}
+
+void
+sp_item_invoke_bbox(SPItem const *item, boost::optional<NR::Rect> *bbox, NR::Matrix const &transform, unsigned const clear, SPItem::BBoxType type)
+{
+ sp_item_invoke_bbox_full(item, bbox, transform, type, clear);
+}
+
+// DEPRECATED to phase out the use of NRRect in favor of boost::optional<NR::Rect>
void
sp_item_invoke_bbox(SPItem const *item, NRRect *bbox, NR::Matrix const &transform, unsigned const clear, SPItem::BBoxType type)
{
sp_item_invoke_bbox_full(item, bbox, transform, type, clear);
}
+/** Calls \a item's subclass' bounding box method; clips it by the bbox of clippath, if any; and
+ * unions the resulting bbox with \a bbox. If \a clear is true, empties \a bbox first. Passes the
+ * transform and the flags to the actual bbox methods. Note that many of subclasses (e.g. groups,
+ * clones), in turn, call this function in their bbox methods. */
+void
+sp_item_invoke_bbox_full(SPItem const *item, boost::optional<NR::Rect> *bbox, NR::Matrix const &transform, unsigned const flags, unsigned const clear)
+{
+ g_assert(item != NULL);
+ g_assert(SP_IS_ITEM(item));
+ g_assert(bbox != NULL);
+
+ if (clear) {
+ *bbox = boost::optional<NR::Rect>();
+ }
+
+ // TODO: replace NRRect by NR::Rect, for all SPItemClasses, and for SP_CLIPPATH
+
+ NRRect temp_bbox;
+ temp_bbox.x0 = temp_bbox.y0 = NR_HUGE;
+ temp_bbox.x1 = temp_bbox.y1 = -NR_HUGE;
+
+ // call the subclass method
+ if (((SPItemClass *) G_OBJECT_GET_CLASS(item))->bbox) {
+ ((SPItemClass *) G_OBJECT_GET_CLASS(item))->bbox(item, &temp_bbox, transform, flags);
+ }
+
+ // unless this is geometric bbox, extend by filter area and crop the bbox by clip path, if any
+ if ((SPItem::BBoxType) flags != SPItem::GEOMETRIC_BBOX) {
+ if (SP_OBJECT_STYLE(item) && SP_OBJECT_STYLE(item)->filter.href) {
+ SPObject *filter = SP_OBJECT_STYLE(item)->getFilter();
+ if (filter && SP_IS_FILTER(filter)) {
+ // default filer area per the SVG spec:
+ double x = -0.1;
+ double y = -0.1;
+ double w = 1.2;
+ double h = 1.2;
+
+ // if area is explicitly set, override:
+ if (SP_FILTER(filter)->x._set)
+ x = SP_FILTER(filter)->x.computed;
+ if (SP_FILTER(filter)->y._set)
+ y = SP_FILTER(filter)->y.computed;
+ if (SP_FILTER(filter)->width._set)
+ w = SP_FILTER(filter)->width.computed;
+ if (SP_FILTER(filter)->height._set)
+ h = SP_FILTER(filter)->height.computed;
+
+ double dx0 = 0;
+ double dx1 = 0;
+ double dy0 = 0;
+ double dy1 = 0;
+ if (filter_is_single_gaussian_blur(SP_FILTER(filter))) {
+ // if this is a single blur, use 2.4*radius
+ // which may be smaller than the default area;
+ // see set_filter_area for why it's 2.4
+ double r = get_single_gaussian_blur_radius (SP_FILTER(filter));
+ dx0 = -2.4 * r;
+ dx1 = 2.4 * r;
+ dy0 = -2.4 * r;
+ dy1 = 2.4 * r;
+ } else {
+ // otherwise, calculate expansion from relative to absolute units:
+ dx0 = x * (temp_bbox.x1 - temp_bbox.x0);
+ dx1 = (w + x - 1) * (temp_bbox.x1 - temp_bbox.x0);
+ dy0 = y * (temp_bbox.y1 - temp_bbox.y0);
+ dy1 = (h + y - 1) * (temp_bbox.y1 - temp_bbox.y0);
+ }
+
+ // transform the expansions by the item's transform:
+ NR::Matrix i2d = from_2geom(sp_item_i2d_affine (item));
+ dx0 *= NR::expansionX(i2d);
+ dx1 *= NR::expansionX(i2d);
+ dy0 *= NR::expansionY(i2d);
+ dy1 *= NR::expansionY(i2d);
+
+ // expand the bbox
+ temp_bbox.x0 += dx0;
+ temp_bbox.x1 += dx1;
+ temp_bbox.y0 += dy0;
+ temp_bbox.y1 += dy1;
+ }
+ }
+ if (item->clip_ref->getObject()) {
+ NRRect b;
+ sp_clippath_get_bbox(SP_CLIPPATH(item->clip_ref->getObject()), &b, transform, flags);
+ nr_rect_d_intersect (&temp_bbox, &temp_bbox, &b);
+ }
+ }
+
+ if (temp_bbox.x0 > temp_bbox.x1 || temp_bbox.y0 > temp_bbox.y1) {
+ // Either the bbox hasn't been touched by the SPItemClass' bbox method
+ // (it still has its initial values, see above: x0 = y0 = NR_HUGE and x1 = y1 = -NR_HUGE)
+ // or it has explicitely been set to be like this (e.g. in sp_shape_bbox)
+
+ // When x0 > x1 or y0 > y1, the bbox is considered to be "nothing", although it has not been
+ // explicitely defined this way for NRRects (as opposed to boost::optional<NR::Rect>)
+ // So union bbox with nothing = do nothing, just return
+ return;
+ }
+
+ // Do not use temp_bbox.upgrade() here, because it uses a test that returns an empty boost::optional<NR::Rect>()
+ // for any rectangle with zero area. The geometrical bbox of for example a vertical line
+ // would therefore be translated into empty boost::optional<NR::Rect>() (see bug https://bugs.launchpad.net/inkscape/+bug/168684)
+ boost::optional<NR::Rect> temp_bbox_new = NR::Rect(NR::Point(temp_bbox.x0, temp_bbox.y0), NR::Point(temp_bbox.x1, temp_bbox.y1));
+
+ *bbox = NR::union_bounds(*bbox, temp_bbox_new);
+}
+
+// DEPRECATED to phase out the use of NRRect in favor of boost::optional<NR::Rect>
/** Calls \a item's subclass' bounding box method; clips it by the bbox of clippath, if any; and
* unions the resulting bbox with \a bbox. If \a clear is true, empties \a bbox first. Passes the
* transform and the flags to the actual bbox methods. Note that many of subclasses (e.g. groups,
g_assert(SP_IS_ITEM(item));
g_assert(bbox != NULL);
- sp_item_invoke_bbox(item, bbox, sp_item_i2d_affine(item), TRUE, type);
+ sp_item_invoke_bbox(item, bbox, from_2geom(sp_item_i2d_affine(item)), TRUE, type);
}
-NR::Maybe<NR::Rect> sp_item_bbox_desktop(SPItem *item, SPItem::BBoxType type)
+boost::optional<NR::Rect> sp_item_bbox_desktop(SPItem *item, SPItem::BBoxType type)
{
- NRRect ret;
- sp_item_invoke_bbox(item, &ret, sp_item_i2d_affine(item), TRUE, type);
- return ret.upgrade();
+ boost::optional<NR::Rect> rect = boost::optional<NR::Rect>();
+ sp_item_invoke_bbox(item, &rect, from_2geom(sp_item_i2d_affine(item)), TRUE, type);
+ return rect;
}
static void sp_item_private_snappoints(SPItem const *item, SnapPointsIter p)
{
- NR::Maybe<NR::Rect> bbox = item->getBounds(sp_item_i2d_affine(item));
+ boost::optional<NR::Rect> bbox = item->getBounds(from_2geom(sp_item_i2d_affine(item)));
/* Just the corners of the bounding box suffices given that we don't yet
support angled guide lines. */
}
}
-void sp_item_snappoints(SPItem const *item, SnapPointsIter p)
+void sp_item_snappoints(SPItem const *item, bool includeItemCenter, SnapPointsIter p)
{
- g_assert (item != NULL);
+ g_assert (item != NULL);
g_assert (SP_IS_ITEM(item));
+ // Get the snappoints of the item
SPItemClass const &item_class = *(SPItemClass const *) G_OBJECT_GET_CLASS(item);
if (item_class.snappoints) {
item_class.snappoints(item, p);
}
+
+ // Get the snappoints at the item's center
+ if (includeItemCenter) {
+ *p = item->getCenter();
+ }
+
+ // Get the snappoints of clipping paths and mask, if any
+ std::list<SPObject const *> clips_and_masks;
+
+ clips_and_masks.push_back(SP_OBJECT(item->clip_ref->getObject()));
+ clips_and_masks.push_back(SP_OBJECT(item->mask_ref->getObject()));
+
+ 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 (SPObject *child = (*o)->children ; child ; child = child->next) {
+ if (SP_IS_ITEM(child)) {
+ std::vector<NR::Point> p_clip_or_mask;
+ // Please note the recursive call here!
+ sp_item_snappoints(SP_ITEM(child), includeItemCenter, SnapPointsIter(p_clip_or_mask));
+ // Take into account the transformation of the item being clipped or masked
+ for (std::vector<NR::Point>::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
+ *p = (*p_orig) * from_2geom(matrix_to_desktop (matrix_from_desktop (to_2geom(item->transform), item), item));
+ }
+ }
+ }
+ }
+ }
}
void
}
static gchar *
-sp_item_private_description(SPItem *item)
+sp_item_private_description(SPItem */*item*/)
{
return g_strdup(_("Object"));
}
g_free (s);
s = snew;
}
+ if (SP_OBJECT_STYLE(item) && SP_OBJECT_STYLE(item)->filter.href) {
+ gchar *snew = g_strdup_printf (_("%s; <i>filtered</i>"), s);
+ g_free (s);
+ s = snew;
+ }
return s;
}
@@ -926,7 +1114,7 @@ sp_item_invoke_show(SPItem *item, NRArena *arena, unsigned key, unsigned flags)
NR_ARENA_ITEM_SET_DATA(ai, item);
NRRect item_bbox;
sp_item_invoke_bbox(item, &item_bbox, NR::identity(), TRUE, SPItem::GEOMETRIC_BBOX);
- NR::Maybe<NR::Rect> i_bbox = item_bbox;
+ boost::optional<NR::Rect> i_bbox = item_bbox;
nr_arena_item_set_item_bbox(ai, i_bbox);
}
@@ -1117,7 +1305,7 @@ sp_item_adjust_paint_recursive (SPItem *item, NR::Matrix advertized_transform, N
NR::Matrix paint_delta = t_item * t_ancestors * advertized_transform * t_ancestors.inverse() * t_item.inverse();
// Within text, we do not fork gradients, and so must not recurse to avoid double compensation;
-// also we do not recurse into clones, because a clone's child is the ghost of its original -
+// also we do not recurse into clones, because a clone's child is the ghost of its original -
// we must not touch it
if (!(item && (SP_IS_TEXT(item) || SP_IS_USE(item)))) {
for (SPObject *o = SP_OBJECT(item)->children; o != NULL; o = o->next) {
@@ -1141,17 +1329,46 @@ sp_item_adjust_paint_recursive (SPItem *item, NR::Matrix advertized_transform, N
}
+void
+sp_item_adjust_livepatheffect (SPItem *item, NR::Matrix const &postmul, bool set)
+{
+ if ( !SP_IS_LPE_ITEM(item) )
+ return;
+
+ SPLPEItem *lpeitem = SP_LPE_ITEM (item);
+ if ( sp_lpe_item_has_path_effect(lpeitem) ) {
+ PathEffectList effect_list = sp_lpe_item_get_effect_list(lpeitem);
+ for (PathEffectList::iterator it = effect_list.begin(); it != effect_list.end(); it++)
+ {
+ // If the path effect is used by 2 or more items, fork it
+ // so that each object has its own independent copy of the effect
+ LivePathEffectObject *lpeobj = (*it)->lpeobject;
+ if (lpeobj) {
+ LivePathEffectObject *new_lpeobj = lpeobj->fork_private_if_necessary();
+ if (new_lpeobj != lpeobj) {
+ sp_lpe_item_replace_path_effect(lpeitem, lpeobj, new_lpeobj);
+ }
+
+ if (lpeobj->lpe) {
+ Inkscape::LivePathEffect::Effect * effect = lpeobj->lpe;
+ effect->transform_multiply(to_2geom(postmul), set);
+ }
+ }
+ }
+ }
+}
+
/**
- * A temporary wrapper for the next function accepting the NRMatrix
+ * A temporary wrapper for the next function accepting the NR::Matrix
* instead of NR::Matrix
*/
void
-sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NRMatrix const *transform, NR::Matrix const *adv)
+sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NR::Matrix const *transform, NR::Matrix const *adv)
{
if (transform == NULL)
sp_item_write_transform(item, repr, NR::identity(), adv);
else
- sp_item_write_transform(item, repr, NR::Matrix (transform), adv);
+ sp_item_write_transform(item, repr, *transform, adv);
}
/**
@@ -1176,20 +1393,20 @@ sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NR::Matrix cons
} else {
advertized_transform = sp_item_transform_repr (item).inverse() * transform;
}
-
+
if (compensate) {
-
+
// recursively compensate for stroke scaling, depending on user preference
if (prefs_get_int_attribute("options.transform", "stroke", 1) == 0) {
double const expansion = 1. / NR::expansion(advertized_transform);
sp_item_adjust_stroke_width_recursive(item, expansion);
}
-
+
// recursively compensate rx/ry of a rect if requested
if (prefs_get_int_attribute("options.transform", "rectcorners", 1) == 0) {
sp_item_adjust_rects_recursive(item, advertized_transform);
}
-
+
// recursively compensate pattern fill if it's not to be transformed
if (prefs_get_int_attribute("options.transform", "pattern", 1) == 0) {
sp_item_adjust_paint_recursive (item, advertized_transform.inverse(), NR::identity(), true);
@@ -1202,8 +1419,8 @@ sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NR::Matrix cons
// this converts the gradient/pattern fill/stroke, if any, to userSpaceOnUse; we need to do
// it here _before_ the new transform is set, so as to use the pre-transform bbox
sp_item_adjust_paint_recursive (item, NR::identity(), NR::identity(), false);
- }
-
+ }
+
} // endif(compensate)
gint preserve = prefs_get_int_attribute("options.preservetransform", "value", 0);
@@ -1213,7 +1430,7 @@ sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NR::Matrix cons
!preserve && // user did not chose to preserve all transforms
!item->clip_ref->getObject() && // the object does not have a clippath
!item->mask_ref->getObject() && // the object does not have a mask
- !(!transform.is_translation() && SP_OBJECT_STYLE(item) && SP_OBJECT_STYLE(item)->getFilter())
+ !(!transform.is_translation() && SP_OBJECT_STYLE(item) && SP_OBJECT_STYLE(item)->getFilter())
// the object does not have a filter, or the transform is translation (which is supposed to not affect filters)
) {
transform_attr = ((SPItemClass *) G_OBJECT_GET_CLASS(item))->set_transform(item, transform);
}
}
+void
+sp_item_convert_item_to_guides(SPItem *item) {
+ g_return_if_fail(item != NULL);
+ g_return_if_fail(SP_IS_ITEM(item));
+
+ /* Use derived method if present ... */
+ if (((SPItemClass *) G_OBJECT_GET_CLASS(item))->convert_to_guides) {
+ (*((SPItemClass *) G_OBJECT_GET_CLASS(item))->convert_to_guides)(item);
+ return;
+ }
+
+ /* .. otherwise simply place the guides around the item's bounding box */
+
+ sp_item_convert_to_guides(item);
+}
+
/**
* \pre \a ancestor really is an ancestor (\>=) of \a object, or NULL.
* ("Ancestor (\>=)" here includes as far as \a object itself.)
*/
-NR::Matrix
+Geom::Matrix
i2anc_affine(SPObject const *object, SPObject const *const ancestor) {
- NR::Matrix ret(NR::identity());
+ Geom::Matrix ret(Geom::identity());
g_return_val_if_fail(object != NULL, ret);
/* stop at first non-renderable ancestor */
while ( object != ancestor && SP_IS_ITEM(object) ) {
if (SP_IS_ROOT(object)) {
- ret *= SP_ROOT(object)->c2p;
+ ret *= to_2geom(SP_ROOT(object)->c2p);
}
- ret *= SP_ITEM(object)->transform;
+ ret *= to_2geom(SP_ITEM(object)->transform);
object = SP_OBJECT_PARENT(object);
}
return ret;
}
-NR::Matrix
+Geom::Matrix
i2i_affine(SPObject const *src, SPObject const *dest) {
- g_return_val_if_fail(src != NULL && dest != NULL, NR::identity());
+ g_return_val_if_fail(src != NULL && dest != NULL, Geom::identity());
SPObject const *ancestor = src->nearestCommonAncestor(dest);
- return i2anc_affine(src, ancestor) / i2anc_affine(dest, ancestor);
+ return i2anc_affine(src, ancestor) * i2anc_affine(dest, ancestor).inverse();
}
NR::Matrix SPItem::getRelativeTransform(SPObject const *dest) const {
- return i2i_affine(this, dest);
+ return from_2geom(i2i_affine(this, dest));
}
/**
* Returns the accumulated transformation of the item and all its ancestors, including root's viewport.
* \pre (item != NULL) and SP_IS_ITEM(item).
*/
-NR::Matrix sp_item_i2doc_affine(SPItem const *item)
+Geom::Matrix sp_item_i2doc_affine(SPItem const *item)
{
return i2anc_affine(item, NULL);
}
* Used in path operations mostly.
* \pre (item != NULL) and SP_IS_ITEM(item).
*/
-NR::Matrix sp_item_i2root_affine(SPItem const *item)
+Geom::Matrix sp_item_i2root_affine(SPItem const *item)
{
g_assert(item != NULL);
g_assert(SP_IS_ITEM(item));
- NR::Matrix ret(NR::identity());
- g_assert(ret.test_identity());
+ Geom::Matrix ret(Geom::identity());
+ g_assert(ret.isIdentity());
while ( NULL != SP_OBJECT_PARENT(item) ) {
- ret *= item->transform;
+ ret *= to_2geom(item->transform);
item = SP_ITEM(SP_OBJECT_PARENT(item));
}
g_assert(SP_IS_ROOT(item));
- ret *= item->transform;
+ ret *= to_2geom(item->transform);
return ret;
}
/* fixme: This is EVIL!!! */
-
-NR::Matrix sp_item_i2d_affine(SPItem const *item)
+// fix this note: why/what evil? :)
+Geom::Matrix sp_item_i2d_affine(SPItem const *item)
{
g_assert(item != NULL);
g_assert(SP_IS_ITEM(item));
- NR::Matrix const ret( sp_item_i2doc_affine(item)
- * NR::scale(1, -1)
- * NR::translate(0, sp_document_height(SP_OBJECT_DOCUMENT(item))) );
+ Geom::Matrix const ret( sp_item_i2doc_affine(item)
+ * Geom::Scale(1, -1)
+ * Geom::Translate(0, sp_document_height(SP_OBJECT_DOCUMENT(item))) );
return ret;
}
// same as i2d but with i2root instead of i2doc
-NR::Matrix sp_item_i2r_affine(SPItem const *item)
+Geom::Matrix sp_item_i2r_affine(SPItem const *item)
{
g_assert(item != NULL);
g_assert(SP_IS_ITEM(item));
- NR::Matrix const ret( sp_item_i2root_affine(item)
- * NR::scale(1, -1)
- * NR::translate(0, sp_document_height(SP_OBJECT_DOCUMENT(item))) );
+ Geom::Matrix const ret( sp_item_i2root_affine(item)
+ * Geom::Scale(1, -1)
+ * Geom::Translate(0, sp_document_height(SP_OBJECT_DOCUMENT(item))) );
return ret;
}
* Converts a matrix \a m into the desktop coords of the \a item.
* Will become a noop when we eliminate the coordinate flipping.
*/
-NR::Matrix matrix_to_desktop(NR::Matrix const m, SPItem const *item)
+Geom::Matrix matrix_to_desktop(Geom::Matrix const m, SPItem const *item)
{
- NR::Matrix const ret(m
- * NR::translate(0, -sp_document_height(SP_OBJECT_DOCUMENT(item)))
- * NR::scale(1, -1));
+ Geom::Matrix const ret(m
+ * Geom::Translate(0, -sp_document_height(SP_OBJECT_DOCUMENT(item)))
+ * Geom::Scale(1, -1));
return ret;
}
* Converts a matrix \a m from the desktop coords of the \a item.
* Will become a noop when we eliminate the coordinate flipping.
*/
-NR::Matrix matrix_from_desktop(NR::Matrix const m, SPItem const *item)
+Geom::Matrix matrix_from_desktop(Geom::Matrix const m, SPItem const *item)
{
- NR::Matrix const ret(NR::scale(1, -1)
- * NR::translate(0, sp_document_height(SP_OBJECT_DOCUMENT(item)))
+ Geom::Matrix const ret(Geom::Scale(1, -1)
+ * Geom::Translate(0, sp_document_height(SP_OBJECT_DOCUMENT(item)))
* m);
return ret;
}
-void sp_item_set_i2d_affine(SPItem *item, NR::Matrix const &i2dt)
+void sp_item_set_i2d_affine(SPItem *item, Geom::Matrix const &i2dt)
{
g_return_if_fail( item != NULL );
g_return_if_fail( SP_IS_ITEM(item) );
- NR::Matrix dt2p; /* desktop to item parent transform */
+ Geom::Matrix dt2p; /* desktop to item parent transform */
if (SP_OBJECT_PARENT(item)) {
dt2p = sp_item_i2d_affine((SPItem *) SP_OBJECT_PARENT(item)).inverse();
} else {
- dt2p = ( NR::translate(0, -sp_document_height(SP_OBJECT_DOCUMENT(item)))
- * NR::scale(1, -1) );
+ dt2p = ( Geom::Translate(0, -sp_document_height(SP_OBJECT_DOCUMENT(item)))
+ * Geom::Scale(1, -1) );
}
- NR::Matrix const i2p( i2dt * dt2p );
- sp_item_set_item_transform(item, i2p);
+ Geom::Matrix const i2p( i2dt * dt2p );
+ sp_item_set_item_transform(item, from_2geom(i2p));
}
-NR::Matrix
+Geom::Matrix
sp_item_dt2i_affine(SPItem const *item)
{
/* fixme: Implement the right way (Lauris) */
return NULL;
}
+void
+sp_item_convert_to_guides(SPItem *item) {
+ SPDesktop *dt = inkscape_active_desktop();
+ SPNamedView *nv = sp_desktop_namedview(dt);
+ (void)nv;
+
+ int prefs_bbox = prefs_get_int_attribute("tools", "bounding_box", 0);
+ SPItem::BBoxType bbox_type = (prefs_bbox ==0)?
+ SPItem::APPROXIMATE_BBOX : SPItem::GEOMETRIC_BBOX;
+
+ boost::optional<NR::Rect> bbox = sp_item_bbox_desktop(item, bbox_type);
+ if (!bbox) {
+ g_warning ("Cannot determine item's bounding box during conversion to guides.\n");
+ return;
+ }
+
+ std::list<std::pair<Geom::Point, Geom::Point> > pts;
+
+ NR::Point A((*bbox).min());
+ NR::Point C((*bbox).max());
+ NR::Point B(A[NR::X], C[NR::Y]);
+ NR::Point D(C[NR::X], A[NR::Y]);
+
+ pts.push_back(std::make_pair(A, B));
+ pts.push_back(std::make_pair(B, C));
+ pts.push_back(std::make_pair(C, D));
+ pts.push_back(std::make_pair(D, A));
+
+ sp_guide_pt_pairs_to_guides(dt, pts);
+}
/*
Local Variables: