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diff --git a/src/box3d.cpp b/src/box3d.cpp
index 9faf47c7c0d2895f04d9ddc671b3bae700f0f974..d51df9df3a1e18e3895e3d6a82c2517489317e7a 100644 (file)
--- a/src/box3d.cpp
+++ b/src/box3d.cpp
-#define __SP_BOX3D_C__
-
/*
* SVG <box3d> implementation
*
* Maximilian Albert <Anhalter42@gmx.de>
* Lauris Kaplinski <lauris@kaplinski.com>
* bulia byak <buliabyak@users.sf.net>
+ * Abhishek Sharma
*
* Copyright (C) 2007 Authors
* Copyright (C) 1999-2002 Lauris Kaplinski
#include "line-geometry.h"
#include "persp3d-reference.h"
#include "uri.h"
-#include "2geom/geom.h"
+#include <2geom/line.h>
#include "sp-guide.h"
#include "sp-namedview.h"
-#include "prefs-utils.h"
+#include "preferences.h"
#include "desktop.h"
+#include "desktop-handles.h"
#include "macros.h"
static void box3d_class_init(SPBox3DClass *klass);
@@ -46,14 +46,13 @@ static void box3d_build(SPObject *object, SPDocument *document, Inkscape::XML::N
static void box3d_release(SPObject *object);
static void box3d_set(SPObject *object, unsigned int key, const gchar *value);
static void box3d_update(SPObject *object, SPCtx *ctx, guint flags);
-static Inkscape::XML::Node *box3d_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
+static Inkscape::XML::Node *box3d_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags);
static gchar *box3d_description(SPItem *item);
-static NR::Matrix box3d_set_transform(SPItem *item, NR::Matrix const &xform);
+static Geom::Matrix box3d_set_transform(SPItem *item, Geom::Matrix const &xform);
static void box3d_convert_to_guides(SPItem *item);
static void box3d_ref_changed(SPObject *old_ref, SPObject *ref, SPBox3D *box);
-static void box3d_ref_modified(SPObject *href, guint flags, SPBox3D *box);
static SPGroupClass *parent_class;
{
box->persp_href = NULL;
box->persp_ref = new Persp3DReference(SP_OBJECT(box));
- new (&box->modified_connection) sigc::connection();
}
static void
@@ -128,22 +126,14 @@ box3d_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
// TODO: Create/link to the correct perspective
SPDocument *doc = SP_OBJECT_DOCUMENT(box);
- if (!doc) {
- g_print ("No document for the box!!!!\n");
+ if (!doc)
return;
- }
- /**
- if (!box->persp3d) {
- g_print ("Box seems to be newly created since no perspective is referenced yet. We reference the current perspective.\n");
- box->persp3d = doc->current_persp3d;
- }
- **/
box->persp_ref->changedSignal().connect(sigc::bind(sigc::ptr_fun(box3d_ref_changed), box));
- sp_object_read_attr(object, "inkscape:perspectiveID");
- sp_object_read_attr(object, "inkscape:corner0");
- sp_object_read_attr(object, "inkscape:corner7");
+ object->readAttr( "inkscape:perspectiveID" );
+ object->readAttr( "inkscape:corner0" );
+ object->readAttr( "inkscape:corner7" );
}
/**
if (box->persp_href) {
g_free(box->persp_href);
}
+
+ // We have to store this here because the Persp3DReference gets destroyed below, but we need to
+ // access it to call persp3d_remove_box(), which cannot be called earlier because the reference
+ // needs to be destroyed first.
+ Persp3D *persp = box3d_get_perspective(box);
+
if (box->persp_ref) {
box->persp_ref->detach();
delete box->persp_ref;
box->persp_ref = NULL;
}
- box->modified_connection.disconnect();
- box->modified_connection.~connection();
-
- //persp3d_remove_box (box3d_get_perspective(box), box);
+ if (persp) {
+ persp3d_remove_box (persp, box);
+ /*
+ // TODO: This deletes a perspective when the last box referring to it is gone. Eventually,
+ // it would be nice to have this but currently it crashes when undoing/redoing box deletion
+ // Reason: When redoing a box deletion, the associated perspective is deleted twice, first
+ // by the following code and then again by the redo mechanism! Perhaps we should perform
+ // deletion of the perspective from another location "outside" the undo/redo mechanism?
+ if (persp->perspective_impl->boxes.empty()) {
+ SPDocument *doc = SP_OBJECT_DOCUMENT(box);
+ persp->deleteObject();
+ doc->setCurrentPersp3D(persp3d_document_first_persp(doc));
+ }
+ */
+ }
if (((SPObjectClass *) parent_class)->release)
((SPObjectClass *) parent_class)->release(object);
} else {
// Detach, which emits the changed signal.
box->persp_ref->detach();
- // TODO: Clean this up (also w.r.t the surrounding if construct)
- /***
- g_print ("No perspective given. Attaching to current perspective instead.\n");
- g_free(box->persp_href);
- Inkscape::XML::Node *repr = SP_OBJECT_REPR(inkscape_active_document()->current_persp3d);
- box->persp_href = g_strdup(repr->attribute("id"));
- box->persp_ref->attach(Inkscape::URI(box->persp_href));
- ***/
}
}
box3d_position_set(box);
}
break;
- default:
+ default:
if (((SPObjectClass *) (parent_class))->set) {
((SPObjectClass *) (parent_class))->set(object, key, value);
}
break;
}
- //object->updateRepr(); // This ensures correct update of the box after undo/redo. FIXME: Why is this not present in sp-rect.cpp and similar files?
}
/**
if (old_ref) {
sp_signal_disconnect_by_data(old_ref, box);
persp3d_remove_box (SP_PERSP3D(old_ref), box);
- /* Note: This sometimes leads to attempts to remove boxes twice from the list of selected/transformed
- boxes in a perspectives, but this should be uncritical. */
- persp3d_remove_box_transform (SP_PERSP3D(old_ref), box);
}
if ( SP_IS_PERSP3D(ref) && ref != box ) // FIXME: Comparisons sane?
{
- box->modified_connection.disconnect();
- box->modified_connection = ref->connectModified(sigc::bind(sigc::ptr_fun(&box3d_ref_modified), box));
- box3d_ref_modified(ref, 0, box);
persp3d_add_box (SP_PERSP3D(ref), box);
- /* Note: This sometimes leads to attempts to add boxes twice to the list of selected/transformed
- boxes in a perspectives, but this should be uncritical. */
- persp3d_add_box_transform (SP_PERSP3D(ref), box);
}
}
}
-static Inkscape::XML::Node *box3d_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
+static Inkscape::XML::Node * box3d_write(SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
{
SPBox3D *box = SP_BOX3D(object);
if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
// this is where we end up when saving as plain SVG (also in other circumstances?)
// thus we don' set "sodipodi:type" so that the box is only saved as an ordinary svg:g
- Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_OBJECT_DOCUMENT(object));
repr = xml_doc->createElement("svg:g");
}
@@ -295,20 +283,15 @@ static Inkscape::XML::Node *box3d_write(SPObject *object, Inkscape::XML::Node *r
repr->setAttribute("inkscape:perspectiveID", box->persp_href);
} else {
/* box is not yet linked to a perspective; use the document's current perspective */
- SPDocument *doc = inkscape_active_document();
+ SPDocument *doc = SP_OBJECT_DOCUMENT(object);
if (box->persp_ref->getURI()) {
gchar *uri_string = box->persp_ref->getURI()->toString();
repr->setAttribute("inkscape:perspectiveID", uri_string);
g_free(uri_string);
- } else if (doc) {
- //persp3d_add_box (doc->current_persp3d, box);
- Inkscape::XML::Node *persp_repr = SP_OBJECT_REPR(doc->current_persp3d);
- const gchar *persp_id = persp_repr->attribute("id");
- gchar *href = g_strdup_printf("#%s", persp_id);
- repr->setAttribute("inkscape:perspectiveID", href);
- g_free(href);
} else {
- g_print ("No active document while creating perspective!!!\n");
+ Glib::ustring href = "#";
+ href += doc->getCurrentPersp3D()->getId();
+ repr->setAttribute("inkscape:perspectiveID", href.c_str());
}
}
@@ -327,7 +310,7 @@ static Inkscape::XML::Node *box3d_write(SPObject *object, Inkscape::XML::Node *r
}
if (((SPObjectClass *) (parent_class))->write) {
- ((SPObjectClass *) (parent_class))->write(object, repr, flags);
+ ((SPObjectClass *) (parent_class))->write(object, xml_doc, repr, flags);
}
return repr;
return g_strdup(_("<b>3D Box</b>"));
}
-void
-box3d_position_set (SPBox3D *box)
+void box3d_position_set(SPBox3D *box)
{
/* This draws the curve and calls requestDisplayUpdate() for each side (the latter is done in
box3d_side_position_set() to avoid update conflicts with the parent box) */
- for (SPObject *child = sp_object_first_child(SP_OBJECT (box)); child != NULL; child = SP_OBJECT_NEXT(child) ) {
- box3d_side_position_set (SP_BOX3D_SIDE (child));
+ for ( SPObject *child = box->firstChild(); child; child = child->getNext() ) {
+ if (SP_IS_BOX3D_SIDE(child)) {
+ box3d_side_position_set(SP_BOX3D_SIDE(child));
+ }
}
}
-static NR::Matrix
-box3d_set_transform(SPItem *item, NR::Matrix const &xform)
+static Geom::Matrix
+box3d_set_transform(SPItem *item, Geom::Matrix const &xform)
{
SPBox3D *box = SP_BOX3D(item);
- /* check whether we need to unlink any boxes from their perspectives */
- Persp3D *persp = box3d_get_perspective(box);
- Persp3D *transf_persp;
-
- if (!persp3d_has_all_boxes_in_selection (persp)) {
- std::list<SPBox3D *> sel = persp3d_selected_boxes (persp);
-
- /* create a new perspective as a copy of the current one and link the selected boxes to it */
- transf_persp = persp3d_create_xml_element (SP_OBJECT_DOCUMENT(persp), persp);
+ // We don't apply the transform to the box directly but instead to its perspective (which is
+ // done in sp_selection_apply_affine). Here we only adjust strokes, patterns, etc.
- for (std::list<SPBox3D *>::iterator b = sel.begin(); b != sel.end(); ++b) {
- box3d_switch_perspectives(*b, persp, transf_persp);
- }
- } else {
- transf_persp = persp;
- }
-
- /* only transform the perspective once, even if it has several selected boxes */
- if(!persp3d_was_transformed (transf_persp)) {
- /* concatenate the affine transformation with the perspective mapping; this
- function also triggers repr updates of boxes and the perspective itself */
- persp3d_apply_affine_transformation(transf_persp, xform);
- }
-
- box3d_mark_transformed(box);
-
- if (persp3d_all_transformed(transf_persp)) {
- /* all boxes were transformed; make perspective sensitive for further transformations */
- persp3d_unset_transforms(transf_persp);
- }
-
- NR::Matrix ret(NR::transform(xform));
+ Geom::Matrix ret(Geom::Matrix(xform).without_translation());
gdouble const sw = hypot(ret[0], ret[1]);
gdouble const sh = hypot(ret[2], ret[3]);
- SPItem *sideitem = NULL;
- for (SPObject *side = sp_object_first_child(box); side != NULL; side = SP_OBJECT_NEXT(side)) {
- sideitem = SP_ITEM(side);
+ for ( SPObject *child = box->firstChild(); child; child = child->getNext() ) {
+ if (SP_IS_ITEM(child)) {
+ SPItem *childitem = SP_ITEM(child);
- // Adjust stroke width
- sp_item_adjust_stroke(sideitem, sqrt(fabs(sw * sh)));
+ // Adjust stroke width
+ childitem->adjust_stroke(sqrt(fabs(sw * sh)));
- // Adjust pattern fill
- sp_item_adjust_pattern(sideitem, xform);
+ // Adjust pattern fill
+ childitem->adjust_pattern(xform);
- // Adjust gradient fill
- sp_item_adjust_gradient(sideitem, xform);
+ // Adjust gradient fill
+ childitem->adjust_gradient(xform);
- // Adjust LPE
- sp_item_adjust_livepatheffect(item, xform);
+ // Adjust LPE
+ childitem->adjust_livepatheffect(xform);
+ }
}
- return NR::identity();
-}
-
-
-/**
- * Gets called when persp(?) repr contents change: i.e. parameter change.
- */
-static void
-box3d_ref_modified(SPObject */*href*/, guint /*flags*/, SPBox3D */*box*/)
-{
- /***
- g_print ("FIXME: box3d_ref_modified was called. What should we do?\n");
- g_print ("Here is at least the the href's id: %s\n", SP_OBJECT_REPR(href)->attribute("id"));
- g_print (" ... and the box's, too: %s\n", SP_OBJECT_REPR(box)->attribute("id"));
- ***/
-
+ return Geom::identity();
}
Proj::Pt3
1.0);
}
-NR::Point
-box3d_get_corner_screen (SPBox3D const *box, guint id) {
+Geom::Point
+box3d_get_corner_screen (SPBox3D const *box, guint id, bool item_coords) {
Proj::Pt3 proj_corner (box3d_get_proj_corner (box, id));
if (!box3d_get_perspective(box)) {
- //g_print ("No perspective present in box!! Should we simply use the currently active perspective?\n");
- return NR::Point (NR_HUGE, NR_HUGE);
+ return Geom::Point (NR_HUGE, NR_HUGE);
+ }
+ Geom::Matrix const i2d (SP_ITEM(box)->i2d_affine ());
+ if (item_coords) {
+ return box3d_get_perspective(box)->perspective_impl->tmat.image(proj_corner).affine() * i2d.inverse();
+ } else {
+ return box3d_get_perspective(box)->perspective_impl->tmat.image(proj_corner).affine();
}
- return box3d_get_perspective(box)->tmat.image(proj_corner).affine();
}
Proj::Pt3
1.0);
}
-NR::Point
+Geom::Point
box3d_get_center_screen (SPBox3D *box) {
Proj::Pt3 proj_center (box3d_get_proj_center (box));
if (!box3d_get_perspective(box)) {
- //g_print ("No perspective present in box!! Should we simply use the currently active perspective?\n");
- return NR::Point (NR_HUGE, NR_HUGE);
+ return Geom::Point (NR_HUGE, NR_HUGE);
}
- return box3d_get_perspective(box)->tmat.image(proj_center).affine();
+ Geom::Matrix const i2d (SP_ITEM(box)->i2d_affine ());
+ return box3d_get_perspective(box)->perspective_impl->tmat.image(proj_center).affine() * i2d.inverse();
}
/*
// Should we make the threshold settable in the preferences?
static double remember_snap_threshold = 30;
-//static guint remember_snap_index = 0;
-static guint remember_snap_index_center = 0;
+static guint remember_snap_index = 0;
static Proj::Pt3
box3d_snap (SPBox3D *box, int id, Proj::Pt3 const &pt_proj, Proj::Pt3 const &start_pt) {
@@ -496,13 +441,13 @@ box3d_snap (SPBox3D *box, int id, Proj::Pt3 const &pt_proj, Proj::Pt3 const &sta
Proj::Pt3 D_proj (x_coord, y_coord + diff_y, z_coord, 1.0);
Proj::Pt3 E_proj (x_coord - diff_x, y_coord + diff_y, z_coord, 1.0);
- Persp3D *persp = box3d_get_perspective(box);
- NR::Point A = persp->tmat.image(A_proj).affine();
- NR::Point B = persp->tmat.image(B_proj).affine();
- NR::Point C = persp->tmat.image(C_proj).affine();
- NR::Point D = persp->tmat.image(D_proj).affine();
- NR::Point E = persp->tmat.image(E_proj).affine();
- NR::Point pt = persp->tmat.image(pt_proj).affine();
+ Persp3DImpl *persp_impl = box3d_get_perspective(box)->perspective_impl;
+ Geom::Point A = persp_impl->tmat.image(A_proj).affine();
+ Geom::Point B = persp_impl->tmat.image(B_proj).affine();
+ Geom::Point C = persp_impl->tmat.image(C_proj).affine();
+ Geom::Point D = persp_impl->tmat.image(D_proj).affine();
+ Geom::Point E = persp_impl->tmat.image(E_proj).affine();
+ Geom::Point pt = persp_impl->tmat.image(pt_proj).affine();
// TODO: Replace these lines between corners with lines from a corner to a vanishing point
// (this might help to prevent rounding errors if the box is small)
@@ -512,7 +457,7 @@ box3d_snap (SPBox3D *box, int id, Proj::Pt3 const &pt_proj, Proj::Pt3 const &sta
Box3D::Line diag2(A, E); // diag2 is only taken into account if id equals -1, i.e., if we are snapping the center
int num_snap_lines = (id != -1) ? 3 : 4;
- NR::Point snap_pts[num_snap_lines];
+ Geom::Point snap_pts[num_snap_lines];
snap_pts[0] = pl1.closest_to (pt);
snap_pts[1] = pl2.closest_to (pt);
@@ -526,7 +471,7 @@ box3d_snap (SPBox3D *box, int id, Proj::Pt3 const &pt_proj, Proj::Pt3 const &sta
// determine the distances to all potential snapping points
double snap_dists[num_snap_lines];
for (int i = 0; i < num_snap_lines; ++i) {
- snap_dists[i] = NR::L2 (snap_pts[i] - pt) * zoom;
+ snap_dists[i] = Geom::L2 (snap_pts[i] - pt) * zoom;
}
// while we are within a given tolerance of the starting point,
@@ -551,18 +496,28 @@ box3d_snap (SPBox3D *box, int id, Proj::Pt3 const &pt_proj, Proj::Pt3 const &sta
// snap to the closest point (or the previously remembered one
// if we are within tolerance of the starting point)
- NR::Point result;
+ Geom::Point result;
if (within_tolerance) {
- result = snap_pts[remember_snap_index_center];
+ result = snap_pts[remember_snap_index];
} else {
- remember_snap_index_center = snap_index;
+ remember_snap_index = snap_index;
result = snap_pts[snap_index];
}
- return box3d_get_perspective(box)->tmat.preimage (result, z_coord, Proj::Z);
+ return box3d_get_perspective(box)->perspective_impl->tmat.preimage (result, z_coord, Proj::Z);
+}
+
+SPBox3D * SPBox3D::createBox3D(SPItem * parent)
+{
+ SPBox3D *box3d = 0;
+ Inkscape::XML::Document *xml_doc = parent->document->rdoc;
+ Inkscape::XML::Node *repr = xml_doc->createElement("svg:g");
+ repr->setAttribute("sodipodi:type", "inkscape:box3d");
+ box3d = reinterpret_cast<SPBox3D *>(parent->appendChildRepr(repr));
+ return box3d;
}
void
-box3d_set_corner (SPBox3D *box, const guint id, NR::Point const &new_pos, const Box3D::Axis movement, bool constrained) {
+box3d_set_corner (SPBox3D *box, const guint id, Geom::Point const &new_pos, const Box3D::Axis movement, bool constrained) {
g_return_if_fail ((movement != Box3D::NONE) && (movement != Box3D::XYZ));
box->orig_corner0.normalize();
/* update corners 0 and 7 according to which handle was moved and to the axes of movement */
if (!(movement & Box3D::Z)) {
- Proj::Pt3 pt_proj (box3d_get_perspective(box)->tmat.preimage (new_pos, (id < 4) ? box->orig_corner0[Proj::Z] :
- box->orig_corner7[Proj::Z], Proj::Z));
+ Persp3DImpl *persp_impl = box3d_get_perspective(box)->perspective_impl;
+ Proj::Pt3 pt_proj (persp_impl->tmat.preimage (new_pos, (id < 4) ? box->orig_corner0[Proj::Z] :
+ box->orig_corner7[Proj::Z], Proj::Z));
if (constrained) {
pt_proj = box3d_snap (box, id, pt_proj, box3d_get_proj_corner (id, box->save_corner0, box->save_corner7));
}
@@ -588,13 +544,14 @@ box3d_set_corner (SPBox3D *box, const guint id, NR::Point const &new_pos, const
1.0);
} else {
Persp3D *persp = box3d_get_perspective(box);
- Box3D::PerspectiveLine pl(persp->tmat.image(
+ Persp3DImpl *persp_impl = box3d_get_perspective(box)->perspective_impl;
+ Box3D::PerspectiveLine pl(persp_impl->tmat.image(
box3d_get_proj_corner (id, box->save_corner0, box->save_corner7)).affine(),
Proj::Z, persp);
- NR::Point new_pos_snapped(pl.closest_to(new_pos));
- Proj::Pt3 pt_proj (persp->tmat.preimage (new_pos_snapped,
- box3d_get_proj_corner (box, id)[(movement & Box3D::Y) ? Proj::X : Proj::Y],
- (movement & Box3D::Y) ? Proj::X : Proj::Y));
+ Geom::Point new_pos_snapped(pl.closest_to(new_pos));
+ Proj::Pt3 pt_proj (persp_impl->tmat.preimage (new_pos_snapped,
+ box3d_get_proj_corner (box, id)[(movement & Box3D::Y) ? Proj::X : Proj::Y],
+ (movement & Box3D::Y) ? Proj::X : Proj::Y));
bool corner0_move_x = !(id & Box3D::X) && (movement & Box3D::X);
bool corner0_move_y = !(id & Box3D::Y) && (movement & Box3D::Y);
bool corner7_move_x = (id & Box3D::X) && (movement & Box3D::X);
// FIXME: Should we update the box here? If so, how?
}
-void box3d_set_center (SPBox3D *box, NR::Point const &new_pos, NR::Point const &old_pos, const Box3D::Axis movement, bool constrained) {
+void box3d_set_center (SPBox3D *box, Geom::Point const &new_pos, Geom::Point const &old_pos, const Box3D::Axis movement, bool constrained) {
g_return_if_fail ((movement != Box3D::NONE) && (movement != Box3D::XYZ));
box->orig_corner0.normalize();
@@ -625,9 +582,9 @@ void box3d_set_center (SPBox3D *box, NR::Point const &new_pos, NR::Point const &
double radx = (box->orig_corner7[Proj::X] - box->orig_corner0[Proj::X]) / 2;
double rady = (box->orig_corner7[Proj::Y] - box->orig_corner0[Proj::Y]) / 2;
- Proj::Pt3 pt_proj (persp->tmat.preimage (new_pos, coord, Proj::Z));
+ Proj::Pt3 pt_proj (persp->perspective_impl->tmat.preimage (new_pos, coord, Proj::Z));
if (constrained) {
- Proj::Pt3 old_pos_proj (persp->tmat.preimage (old_pos, coord, Proj::Z));
+ Proj::Pt3 old_pos_proj (persp->perspective_impl->tmat.preimage (old_pos, coord, Proj::Z));
old_pos_proj.normalize();
pt_proj = box3d_snap (box, -1, pt_proj, old_pos_proj);
}
@@ -646,8 +603,8 @@ void box3d_set_center (SPBox3D *box, NR::Point const &new_pos, NR::Point const &
double radz = (box->orig_corner7[Proj::Z] - box->orig_corner0[Proj::Z]) / 2;
Box3D::PerspectiveLine pl(old_pos, Proj::Z, persp);
- NR::Point new_pos_snapped(pl.closest_to(new_pos));
- Proj::Pt3 pt_proj (persp->tmat.preimage (new_pos_snapped, coord, Proj::X));
+ Geom::Point new_pos_snapped(pl.closest_to(new_pos));
+ Proj::Pt3 pt_proj (persp->perspective_impl->tmat.preimage (new_pos_snapped, coord, Proj::X));
/* normalizing pt_proj is essential because we want to mingle affine coordinates */
pt_proj.normalize();
@@ -667,10 +624,11 @@ void box3d_set_center (SPBox3D *box, NR::Point const &new_pos, NR::Point const &
* from which the perspective lines in the direction of 'axis' emerge
*/
void box3d_corners_for_PLs (const SPBox3D * box, Proj::Axis axis,
- NR::Point &corner1, NR::Point &corner2, NR::Point &corner3, NR::Point &corner4)
+ Geom::Point &corner1, Geom::Point &corner2, Geom::Point &corner3, Geom::Point &corner4)
{
Persp3D *persp = box3d_get_perspective(box);
g_return_if_fail (persp);
+ Persp3DImpl *persp_impl = persp->perspective_impl;
//box->orig_corner0.normalize();
//box->orig_corner7.normalize();
double coord = (box->orig_corner0[axis] > box->orig_corner7[axis]) ?
default:
return;
}
- corner1 = persp->tmat.image(c1).affine();
- corner2 = persp->tmat.image(c2).affine();
- corner3 = persp->tmat.image(c3).affine();
- corner4 = persp->tmat.image(c4).affine();
+ corner1 = persp_impl->tmat.image(c1).affine();
+ corner2 = persp_impl->tmat.image(c2).affine();
+ corner3 = persp_impl->tmat.image(c3).affine();
+ corner4 = persp_impl->tmat.image(c4).affine();
}
/* Auxiliary function: Checks whether the half-line from A to B crosses the line segment joining C and D */
static bool
box3d_half_line_crosses_joining_line (Geom::Point const &A, Geom::Point const &B,
Geom::Point const &C, Geom::Point const &D) {
- Geom::Point E; // the point of intersection
Geom::Point n0 = (B - A).ccw();
double d0 = dot(n0,A);
Geom::Point n1 = (D - C).ccw();
double d1 = dot(n1,C);
- Geom::IntersectorKind intersects = Geom::line_intersection(n0, d0, n1, d1, E);
- if (intersects == Geom::coincident || intersects == Geom::parallel) {
+
+ Geom::Line lineAB(A,B);
+ Geom::Line lineCD(C,D);
+
+ Geom::OptCrossing inters = Geom::OptCrossing(); // empty by default
+ try
+ {
+ inters = Geom::intersection(lineAB, lineCD);
+ }
+ catch (Geom::InfiniteSolutions e)
+ {
+ // We're probably dealing with parallel lines, so they don't really cross
+ return false;
+ }
+
+ if (!inters) {
return false;
}
+ Geom::Point E = lineAB.pointAt((*inters).ta); // the point of intersection
+
if ((dot(C,n0) < d0) == (dot(D,n0) < d0)) {
// C and D lie on the same side of the line AB
return false;
box3d_XY_axes_are_swapped (SPBox3D *box) {
Persp3D *persp = box3d_get_perspective(box);
g_return_val_if_fail(persp, false);
- Box3D::PerspectiveLine l1(box3d_get_corner_screen(box, 3), Proj::X, persp);
- Box3D::PerspectiveLine l2(box3d_get_corner_screen(box, 3), Proj::Y, persp);
- NR::Point v1(l1.direction());
- NR::Point v2(l2.direction());
+ Box3D::PerspectiveLine l1(box3d_get_corner_screen(box, 3, false), Proj::X, persp);
+ Box3D::PerspectiveLine l2(box3d_get_corner_screen(box, 3, false), Proj::Y, persp);
+ Geom::Point v1(l1.direction());
+ Geom::Point v2(l2.direction());
v1.normalize();
v2.normalize();
- return (v1[NR::X]*v2[NR::Y] - v1[NR::Y]*v2[NR::X] > 0);
+ return (v1[Geom::X]*v2[Geom::Y] - v1[Geom::Y]*v2[Geom::X] > 0);
}
static inline void
static void
box3d_set_new_z_orders_case0 (SPBox3D *box, int z_orders[6], Box3D::Axis central_axis) {
Persp3D *persp = box3d_get_perspective(box);
- NR::Point xdir(persp3d_get_infinite_dir(persp, Proj::X));
- NR::Point ydir(persp3d_get_infinite_dir(persp, Proj::Y));
- NR::Point zdir(persp3d_get_infinite_dir(persp, Proj::Z));
+ Geom::Point xdir(persp3d_get_infinite_dir(persp, Proj::X));
+ Geom::Point ydir(persp3d_get_infinite_dir(persp, Proj::Y));
+ Geom::Point zdir(persp3d_get_infinite_dir(persp, Proj::Z));
bool swapped = box3d_XY_axes_are_swapped(box);
- //g_print ("3 infinite VPs; ");
switch(central_axis) {
case Box3D::X:
if (!swapped) {
- //g_print ("central axis X (case a)");
box3d_aux_set_z_orders (z_orders, 2, 0, 4, 1, 3, 5);
} else {
- //g_print ("central axis X (case b)");
box3d_aux_set_z_orders (z_orders, 3, 1, 5, 2, 4, 0);
}
break;
case Box3D::Y:
if (!swapped) {
- //g_print ("central axis Y (case a)");
box3d_aux_set_z_orders (z_orders, 2, 3, 1, 4, 0, 5);
} else {
- //g_print ("central axis Y (case b)");
box3d_aux_set_z_orders (z_orders, 5, 0, 4, 1, 3, 2);
}
break;
case Box3D::Z:
if (!swapped) {
- //g_print ("central axis Z (case a)");
box3d_aux_set_z_orders (z_orders, 2, 0, 1, 4, 3, 5);
} else {
- //g_print ("central axis Z (case b)");
box3d_aux_set_z_orders (z_orders, 5, 3, 4, 1, 0, 2);
}
break;
case Box3D::NONE:
if (!swapped) {
- //g_print ("central axis NONE (case a)");
box3d_aux_set_z_orders (z_orders, 2, 3, 4, 1, 0, 5);
} else {
- //g_print ("central axis NONE (case b)");
box3d_aux_set_z_orders (z_orders, 5, 0, 1, 4, 3, 2);
}
break;
@@ -834,62 +798,41 @@ box3d_set_new_z_orders_case0 (SPBox3D *box, int z_orders[6], Box3D::Axis central
g_assert_not_reached();
break;
}
- /**
- if (swapped) {
- g_print ("; swapped");
- }
- g_print ("\n");
- **/
}
/* Precisely one finite VP */
static void
box3d_set_new_z_orders_case1 (SPBox3D *box, int z_orders[6], Box3D::Axis central_axis, Box3D::Axis fin_axis) {
Persp3D *persp = box3d_get_perspective(box);
- NR::Point vp(persp3d_get_VP(persp, Box3D::toProj(fin_axis)).affine());
+ Geom::Point vp(persp3d_get_VP(persp, Box3D::toProj(fin_axis)).affine());
// note: in some of the case distinctions below we rely upon the fact that oaxis1 and oaxis2 are ordered
Box3D::Axis oaxis1 = Box3D::get_remaining_axes(fin_axis).first;
Box3D::Axis oaxis2 = Box3D::get_remaining_axes(fin_axis).second;
- //g_print ("oaxis1 = %s, oaxis2 = %s\n", Box3D::string_from_axes(oaxis1), Box3D::string_from_axes(oaxis2));
int inside1 = 0;
int inside2 = 0;
inside1 = box3d_pt_lies_in_PL_sector (box, vp, 3, 3 ^ oaxis2, oaxis1);
inside2 = box3d_pt_lies_in_PL_sector (box, vp, 3, 3 ^ oaxis1, oaxis2);
- //g_print ("inside1 = %d, inside2 = %d\n", inside1, inside2);
bool swapped = box3d_XY_axes_are_swapped(box);
- //g_print ("2 infinite VPs; ");
- //g_print ("finite axis: %s; ", Box3D::string_from_axes(fin_axis));
switch(central_axis) {
case Box3D::X:
if (!swapped) {
- //g_print ("central axis X (case a)");
box3d_aux_set_z_orders (z_orders, 2, 4, 0, 1, 3, 5);
} else {
- //if (inside2) {
- //g_print ("central axis X (case b)");
- box3d_aux_set_z_orders (z_orders, 5, 3, 1, 0, 2, 4);
- //} else {
- //g_print ("central axis X (case c)");
- //box3d_aux_set_z_orders (z_orders, 5, 3, 1, 2, 0, 4);
- //}
+ box3d_aux_set_z_orders (z_orders, 5, 3, 1, 0, 2, 4);
}
break;
case Box3D::Y:
if (inside2 > 0) {
- //g_print ("central axis Y (case a)");
box3d_aux_set_z_orders (z_orders, 1, 2, 3, 0, 5, 4);
} else if (inside2 < 0) {
- //g_print ("central axis Y (case b)");
box3d_aux_set_z_orders (z_orders, 2, 3, 1, 4, 0, 5);
} else {
if (!swapped) {
- //g_print ("central axis Y (case c1)");
box3d_aux_set_z_orders (z_orders, 2, 3, 1, 5, 0, 4);
} else {
- //g_print ("central axis Y (case c2)");
box3d_aux_set_z_orders (z_orders, 5, 0, 4, 1, 3, 2);
}
}
@@ -897,52 +840,35 @@ box3d_set_new_z_orders_case1 (SPBox3D *box, int z_orders[6], Box3D::Axis central
case Box3D::Z:
if (inside2) {
if (!swapped) {
- //g_print ("central axis Z (case a1)");
box3d_aux_set_z_orders (z_orders, 2, 1, 3, 0, 4, 5);
} else {
- //g_print ("central axis Z (case a2)");
box3d_aux_set_z_orders (z_orders, 5, 3, 4, 0, 1, 2);
}
} else if (inside1) {
if (!swapped) {
- //g_print ("central axis Z (case b1)");
box3d_aux_set_z_orders (z_orders, 2, 0, 1, 4, 3, 5);
} else {
- //g_print ("central axis Z (case b2)");
box3d_aux_set_z_orders (z_orders, 5, 3, 4, 1, 0, 2);
- //box3d_aux_set_z_orders (z_orders, 5, 3, 0, 1, 2, 4);
}
} else {
// "regular" case
if (!swapped) {
- //g_print ("central axis Z (case c1)");
box3d_aux_set_z_orders (z_orders, 0, 1, 2, 5, 4, 3);
} else {
- //g_print ("central axis Z (case c2)");
box3d_aux_set_z_orders (z_orders, 5, 3, 4, 0, 2, 1);
- //box3d_aux_set_z_orders (z_orders, 5, 3, 4, 0, 2, 1);
}
}
break;
case Box3D::NONE:
if (!swapped) {
- //g_print ("central axis NONE (case a)");
box3d_aux_set_z_orders (z_orders, 2, 3, 4, 5, 0, 1);
} else {
- //g_print ("central axis NONE (case b)");
box3d_aux_set_z_orders (z_orders, 5, 0, 1, 3, 2, 4);
- //box3d_aux_set_z_orders (z_orders, 2, 3, 4, 1, 0, 5);
}
break;
default:
g_assert_not_reached();
}
- /**
- if (swapped) {
- g_print ("; swapped");
- }
- g_print ("\n");
- **/
}
/* Precisely 2 finite VPs */
box3d_set_new_z_orders_case2 (SPBox3D *box, int z_orders[6], Box3D::Axis central_axis, Box3D::Axis /*infinite_axis*/) {
Persp3D *persp = box3d_get_perspective(box);
- NR::Point c3(box3d_get_corner_screen(box, 3));
- NR::Point xdir(persp3d_get_PL_dir_from_pt(persp, c3, Proj::X));
- NR::Point ydir(persp3d_get_PL_dir_from_pt(persp, c3, Proj::Y));
- NR::Point zdir(persp3d_get_PL_dir_from_pt(persp, c3, Proj::Z));
+ Geom::Point c3(box3d_get_corner_screen(box, 3, false));
+ Geom::Point xdir(persp3d_get_PL_dir_from_pt(persp, c3, Proj::X));
+ Geom::Point ydir(persp3d_get_PL_dir_from_pt(persp, c3, Proj::Y));
+ Geom::Point zdir(persp3d_get_PL_dir_from_pt(persp, c3, Proj::Z));
bool swapped = box3d_XY_axes_are_swapped(box);
int insidexy = box3d_VP_lies_in_PL_sector (box, Proj::X, 3, 3 ^ Box3D::Z, Box3D::Y);
- int insidexz = box3d_VP_lies_in_PL_sector (box, Proj::X, 3, 3 ^ Box3D::Y, Box3D::Z);
+ //int insidexz = box3d_VP_lies_in_PL_sector (box, Proj::X, 3, 3 ^ Box3D::Y, Box3D::Z);
int insideyx = box3d_VP_lies_in_PL_sector (box, Proj::Y, 3, 3 ^ Box3D::Z, Box3D::X);
int insideyz = box3d_VP_lies_in_PL_sector (box, Proj::Y, 3, 3 ^ Box3D::X, Box3D::Z);
- int insidezx = box3d_VP_lies_in_PL_sector (box, Proj::Z, 3, 3 ^ Box3D::Y, Box3D::X);
+ //int insidezx = box3d_VP_lies_in_PL_sector (box, Proj::Z, 3, 3 ^ Box3D::Y, Box3D::X);
int insidezy = box3d_VP_lies_in_PL_sector (box, Proj::Z, 3, 3 ^ Box3D::X, Box3D::Y);
- //g_print ("Insides: xy = %d, xz = %d, yx = %d, yz = %d, zx = %d, zy = %d\n",
- // insidexy, insidexz, insideyx, insideyz, insidezx, insidezy);
- (void)insidexz;
- (void)insideyx;
- (void)insidezx;
-
- //g_print ("1 infinite VP; ");
switch(central_axis) {
case Box3D::X:
if (!swapped) {
if (insidezy == -1) {
- //g_print ("central axis X (case a1)");
box3d_aux_set_z_orders (z_orders, 2, 4, 0, 1, 3, 5);
} else if (insidexy == 1) {
- //g_print ("central axis X (case a2)");
box3d_aux_set_z_orders (z_orders, 2, 4, 0, 5, 1, 3);
} else {
- //g_print ("central axis X (case a3)");
box3d_aux_set_z_orders (z_orders, 2, 4, 0, 1, 3, 5);
}
} else {
if (insideyz == -1) {
- //g_print ("central axis X (case b1)");
box3d_aux_set_z_orders (z_orders, 3, 1, 5, 0, 2, 4);
} else {
if (!swapped) {
- //g_print ("central axis X (case b2)");
box3d_aux_set_z_orders (z_orders, 3, 1, 5, 2, 4, 0);
} else {
- //g_print ("central axis X (case b3)");
- box3d_aux_set_z_orders (z_orders, 3, 1, 5, 0, 2, 4);
+ if (insidexy == 0) {
+ box3d_aux_set_z_orders (z_orders, 3, 5, 1, 0, 2, 4);
+ } else {
+ box3d_aux_set_z_orders (z_orders, 3, 1, 5, 0, 2, 4);
+ }
}
}
}
@@ -1004,40 +921,35 @@ box3d_set_new_z_orders_case2 (SPBox3D *box, int z_orders[6], Box3D::Axis central
case Box3D::Y:
if (!swapped) {
if (insideyz == 1) {
- //g_print ("central axis Y (case a1)");
box3d_aux_set_z_orders (z_orders, 2, 3, 1, 0, 5, 4);
} else {
- //g_print ("central axis Y (case a2)");
box3d_aux_set_z_orders (z_orders, 2, 3, 1, 5, 0, 4);
}
} else {
- //g_print ("central axis Y (case b)");
- box3d_aux_set_z_orders (z_orders, 5, 0, 4, 1, 3, 2);
+ if (insideyx == 1) {
+ box3d_aux_set_z_orders (z_orders, 4, 0, 5, 1, 3, 2);
+ } else {
+ box3d_aux_set_z_orders (z_orders, 5, 0, 4, 1, 3, 2);
+ }
}
break;
case Box3D::Z:
if (!swapped) {
if (insidezy == 1) {
- //g_print ("central axis Z (case a1)");
box3d_aux_set_z_orders (z_orders, 2, 1, 0, 4, 3, 5);
} else if (insidexy == -1) {
- //g_print ("central axis Z (case a2)");
box3d_aux_set_z_orders (z_orders, 2, 1, 0, 5, 4, 3);
} else {
- //g_print ("central axis Z (case a3)");
box3d_aux_set_z_orders (z_orders, 2, 0, 1, 5, 3, 4);
}
} else {
- //g_print ("central axis Z (case b)");
box3d_aux_set_z_orders (z_orders, 3, 4, 5, 1, 0, 2);
}
break;
case Box3D::NONE:
if (!swapped) {
- //g_print ("central axis NONE (case a)");
box3d_aux_set_z_orders (z_orders, 2, 3, 4, 1, 0, 5);
} else {
- //g_print ("central axis NONE (case b)");
box3d_aux_set_z_orders (z_orders, 5, 0, 1, 4, 3, 2);
}
break;
@@ -1045,12 +957,6 @@ box3d_set_new_z_orders_case2 (SPBox3D *box, int z_orders[6], Box3D::Axis central
g_assert_not_reached();
break;
}
- /**
- if (swapped) {
- g_print ("; swapped");
- }
- g_print ("\n");
- **/
}
/*
box3d_recompute_z_orders (SPBox3D *box) {
Persp3D *persp = box3d_get_perspective(box);
- //g_return_val_if_fail(persp, false);
if (!persp)
return false;
int z_orders[6];
- NR::Point c3(box3d_get_corner_screen(box, 3));
+ Geom::Point c3(box3d_get_corner_screen(box, 3, false));
// determine directions from corner3 to the VPs
int num_finite = 0;
Box3D::Axis axis_finite = Box3D::NONE;
Box3D::Axis axis_infinite = Box3D::NONE;
- NR::Point dirs[3];
+ Geom::Point dirs[3];
for (int i = 0; i < 3; ++i) {
dirs[i] = persp3d_get_PL_dir_from_pt(persp, c3, Box3D::toProj(Box3D::axes[i]));
- if (persp3d_VP_is_finite(persp, Proj::axes[i])) {
+ if (persp3d_VP_is_finite(persp->perspective_impl, Proj::axes[i])) {
num_finite++;
axis_finite = Box3D::axes[i];
} else {
* joining the other two VPs. If this is the case, it determines the "central" corner from
* which the visible sides can be deduced. Otherwise, corner3 is the central corner.
*/
- // FIXME: We should eliminate the use of NR::Point altogether
+ // FIXME: We should eliminate the use of Geom::Point altogether
Box3D::Axis central_axis = Box3D::NONE;
- NR::Point vp_x = persp3d_get_VP(persp, Proj::X).affine();
- NR::Point vp_y = persp3d_get_VP(persp, Proj::Y).affine();
- NR::Point vp_z = persp3d_get_VP(persp, Proj::Z).affine();
- Geom::Point vpx(vp_x[NR::X], vp_x[NR::Y]);
- Geom::Point vpy(vp_y[NR::X], vp_y[NR::Y]);
- Geom::Point vpz(vp_z[NR::X], vp_z[NR::Y]);
+ Geom::Point vp_x = persp3d_get_VP(persp, Proj::X).affine();
+ Geom::Point vp_y = persp3d_get_VP(persp, Proj::Y).affine();
+ Geom::Point vp_z = persp3d_get_VP(persp, Proj::Z).affine();
+ Geom::Point vpx(vp_x[Geom::X], vp_x[Geom::Y]);
+ Geom::Point vpy(vp_y[Geom::X], vp_y[Geom::Y]);
+ Geom::Point vpz(vp_z[Geom::X], vp_z[Geom::Y]);
- NR::Point c3 = box3d_get_corner_screen(box, 3);
- Geom::Point corner3(c3[NR::X], c3[NR::Y]);
+ Geom::Point c3 = box3d_get_corner_screen(box, 3, false);
+ Geom::Point corner3(c3[Geom::X], c3[Geom::Y]);
if (box3d_half_line_crosses_joining_line (corner3, vpx, vpy, vpz)) {
central_axis = Box3D::X;
} else if (box3d_half_line_crosses_joining_line (corner3, vpz, vpx, vpy)) {
central_axis = Box3D::Z;
}
- //g_print ("Crossing: %s\n", Box3D::string_from_axes(central_axis));
unsigned int central_corner = 3 ^ central_axis;
if (central_axis == Box3D::Z) {
central_corner = central_corner ^ Box3D::XYZ;
}
if (box3d_XY_axes_are_swapped(box)) {
- //g_print ("Axes X and Y are swapped\n");
central_corner = central_corner ^ Box3D::XYZ;
}
- NR::Point c1(box3d_get_corner_screen(box, 1));
- NR::Point c2(box3d_get_corner_screen(box, 2));
- NR::Point c7(box3d_get_corner_screen(box, 7));
+ Geom::Point c1(box3d_get_corner_screen(box, 1, false));
+ Geom::Point c2(box3d_get_corner_screen(box, 2, false));
+ Geom::Point c7(box3d_get_corner_screen(box, 7, false));
- Geom::Point corner1(c1[NR::X], c1[NR::Y]);
- Geom::Point corner2(c2[NR::X], c2[NR::Y]);
- Geom::Point corner7(c7[NR::X], c7[NR::Y]);
+ Geom::Point corner1(c1[Geom::X], c1[Geom::Y]);
+ Geom::Point corner2(c2[Geom::X], c2[Geom::Y]);
+ Geom::Point corner7(c7[Geom::X], c7[Geom::Y]);
// FIXME: At present we don't use the information about central_corner computed above.
switch (central_axis) {
case Box3D::Y:
box3d_aux_set_z_orders (z_orders, 2, 3, 1, 5, 0, 4);
} else {
// degenerate case
- //g_print ("Degenerate case #1\n");
box3d_aux_set_z_orders (z_orders, 2, 1, 3, 0, 5, 4);
}
break;
case Box3D::Z:
if (box3d_half_line_crosses_joining_line(vpx, vpz, corner3, corner1)) {
// degenerate case
- //g_print ("Degenerate case #2\n");
box3d_aux_set_z_orders (z_orders, 2, 0, 1, 4, 3, 5);
} else if (box3d_half_line_crosses_joining_line(vpx, vpy, corner3, corner7)) {
// degenerate case
- //g_print ("Degenerate case #3\n");
box3d_aux_set_z_orders (z_orders, 2, 1, 0, 5, 3, 4);
} else {
box3d_aux_set_z_orders (z_orders, 2, 1, 0, 3, 4, 5);
case Box3D::X:
if (box3d_half_line_crosses_joining_line(vpz, vpx, corner3, corner1)) {
// degenerate case
- //g_print ("Degenerate case #4\n");
box3d_aux_set_z_orders (z_orders, 2, 1, 0, 4, 5, 3);
} else {
box3d_aux_set_z_orders (z_orders, 2, 4, 0, 5, 1, 3);
return false;
}
-static std::map<int, Box3DSide *>
-box3d_get_sides (SPBox3D *box) {
+static std::map<int, Box3DSide *> box3d_get_sides(SPBox3D *box)
+{
std::map<int, Box3DSide *> sides;
- for (SPObject *side = sp_object_first_child(box); side != NULL; side = SP_OBJECT_NEXT(side)) {
- sides[Box3D::face_to_int(sp_repr_get_int_attribute(SP_OBJECT_REPR(side),
- "inkscape:box3dsidetype", -1))] = SP_BOX3D_SIDE(side);
+ for ( SPObject *side = box->firstChild(); side; side = side->getNext() ) {
+ if (SP_IS_BOX3D_SIDE(side)){
+ Box3DSide *bside = SP_BOX3D_SIDE(side);
+ sides[Box3D::face_to_int(bside->getFaceId())] = bside;
+ }
}
sides.erase(-1);
return sides;
SP_ITEM((*side).second)->lowerToBottom();
}
}
- /**
- g_print ("Resetting z-orders: ");
- for (int i = 0; i < 6; ++i) {
- g_print ("%d ", box->z_orders[i]);
- }
- g_print ("\n");
- **/
}
}
// TODO: Maybe it would be useful to have a similar method for projective points pt because then we
// can use it for VPs and perhaps merge the case distinctions during z-order recomputation.
int
-box3d_pt_lies_in_PL_sector (SPBox3D const *box, NR::Point const &pt, int id1, int id2, Box3D::Axis axis) {
+box3d_pt_lies_in_PL_sector (SPBox3D const *box, Geom::Point const &pt, int id1, int id2, Box3D::Axis axis) {
Persp3D *persp = box3d_get_perspective(box);
// the two corners
- NR::Point c1(box3d_get_corner_screen(box, id1));
- NR::Point c2(box3d_get_corner_screen(box, id2));
+ Geom::Point c1(box3d_get_corner_screen(box, id1, false));
+ Geom::Point c2(box3d_get_corner_screen(box, id2, false));
int ret = 0;
- if (persp3d_VP_is_finite(persp, Box3D::toProj(axis))) {
- NR::Point vp(persp3d_get_VP(persp, Box3D::toProj(axis)).affine());
- NR::Point v1(c1 - vp);
- NR::Point v2(c2 - vp);
- NR::Point w(pt - vp);
+ if (persp3d_VP_is_finite(persp->perspective_impl, Box3D::toProj(axis))) {
+ Geom::Point vp(persp3d_get_VP(persp, Box3D::toProj(axis)).affine());
+ Geom::Point v1(c1 - vp);
+ Geom::Point v2(c2 - vp);
+ Geom::Point w(pt - vp);
ret = static_cast<int>(Box3D::lies_in_sector(v1, v2, w));
- //g_print ("Case 0 - returning %d\n", ret);
} else {
Box3D::PerspectiveLine pl1(c1, Box3D::toProj(axis), persp);
Box3D::PerspectiveLine pl2(c2, Box3D::toProj(axis), persp);
if (pl1.lie_on_same_side(pt, c2) && pl2.lie_on_same_side(pt, c1)) {
// test whether pt lies "towards" or "away from" the VP
Box3D::Line edge(c1,c2);
- NR::Point c3(box3d_get_corner_screen(box, id1 ^ axis));
+ Geom::Point c3(box3d_get_corner_screen(box, id1 ^ axis, false));
if (edge.lie_on_same_side(pt, c3)) {
ret = 1;
} else {
ret = -1;
}
}
- //g_print ("Case 1 - returning %d\n", ret);
}
return ret;
}
box3d_VP_lies_in_PL_sector (SPBox3D const *box, Proj::Axis vpdir, int id1, int id2, Box3D::Axis axis) {
Persp3D *persp = box3d_get_perspective(box);
- if (!persp3d_VP_is_finite(persp, vpdir)) {
+ if (!persp3d_VP_is_finite(persp->perspective_impl, vpdir)) {
return 0;
} else {
return box3d_pt_lies_in_PL_sector(box, persp3d_get_VP(persp, vpdir).affine(), id1, id2, axis);
box->orig_corner0[axis] = box->orig_corner7[axis];
box->orig_corner7[axis] = tmp;
}
- // FIXME: Should we also swap the coordinates of save_corner0 and save_corner7?
+ // Should we also swap the coordinates of save_corner0 and save_corner7?
}
/* ensure that the coordinates of corner0 and corner7 are in the correct order (to prevent everted boxes) */
box3d_exchange_coords(box);
}
-void
-box3d_add_to_selection(SPBox3D *box) {
- Persp3D *persp = box3d_get_perspective(box);
- g_return_if_fail(persp);
- persp3d_add_box_transform(persp, box);
-}
-
-void
-box3d_remove_from_selection(SPBox3D *box) {
- Persp3D *persp = box3d_get_perspective(box);
- if (!persp) {
- /* this can happen if a box is deleted through undo and the persp_ref is already detached;
- should we rebuild the boxes of each perspective in this case or is it safe to leave it alone? */
- return;
+static void box3d_extract_boxes_rec(SPObject *obj, std::list<SPBox3D *> &boxes) {
+ if (SP_IS_BOX3D(obj)) {
+ boxes.push_back(SP_BOX3D(obj));
+ } else if (SP_IS_GROUP(obj)) {
+ for ( SPObject *child = obj->firstChild(); child; child = child->getNext() ) {
+ box3d_extract_boxes_rec(child, boxes);
+ }
}
- persp3d_remove_box_transform(persp, box);
}
-void
-box3d_mark_transformed(SPBox3D *box) {
- Persp3D *persp = box3d_get_perspective(box);
- g_return_if_fail(persp);
- persp3d_set_box_transformed(persp, box, true);
+std::list<SPBox3D *>
+box3d_extract_boxes(SPObject *obj) {
+ std::list<SPBox3D *> boxes;
+ box3d_extract_boxes_rec(obj, boxes);
+ return boxes;
}
Persp3D *
@@ -1441,75 +1325,82 @@ box3d_switch_perspectives(SPBox3D *box, Persp3D *old_persp, Persp3D *new_persp,
box->orig_corner7.normalize();
double z0 = box->orig_corner0[Proj::Z];
double z7 = box->orig_corner7[Proj::Z];
- NR::Point corner0_screen = box3d_get_corner_screen(box, 0);
- NR::Point corner7_screen = box3d_get_corner_screen(box, 7);
+ Geom::Point corner0_screen = box3d_get_corner_screen(box, 0, false);
+ Geom::Point corner7_screen = box3d_get_corner_screen(box, 7, false);
- box->orig_corner0 = new_persp->tmat.preimage(corner0_screen, z0, Proj::Z);
- box->orig_corner7 = new_persp->tmat.preimage(corner7_screen, z7, Proj::Z);
+ box->orig_corner0 = new_persp->perspective_impl->tmat.preimage(corner0_screen, z0, Proj::Z);
+ box->orig_corner7 = new_persp->perspective_impl->tmat.preimage(corner7_screen, z7, Proj::Z);
}
persp3d_remove_box (old_persp, box);
persp3d_add_box (new_persp, box);
- persp3d_remove_box_transform (old_persp, box);
- persp3d_add_box_transform (new_persp, box);
-
- gchar *href = g_strdup_printf("#%s", SP_OBJECT_REPR(new_persp)->attribute("id"));
- SP_OBJECT_REPR(box)->setAttribute("inkscape:perspectiveID", href);
- g_free(href);
+ Glib::ustring href = "#";
+ href += new_persp->getId();
+ box->setAttribute("inkscape:perspectiveID", href.c_str());
}
/* Converts the 3D box to an ordinary SPGroup, adds it to the XML tree at the same position as
the original box and deletes the latter */
-// TODO: Copy over all important attributes (see sp_selected_item_to_curved_repr() for an example)
-SPGroup *
-box3d_convert_to_group(SPBox3D *box) {
+SPGroup *box3d_convert_to_group(SPBox3D *box)
+{
SPDocument *doc = SP_OBJECT_DOCUMENT(box);
- Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
+ Inkscape::XML::Document *xml_doc = doc->getReprDoc();
// remember position of the box
- int pos = SP_OBJECT_REPR(box)->position();
+ int pos = box->getPosition();
+
+ // remember important attributes
+ gchar const *id = box->getAttribute("id");
+ gchar const *style = box->getAttribute("style");
+ gchar const *mask = box->getAttribute("mask");
+ gchar const *clip_path = box->getAttribute("clip-path");
// create a new group and add the sides (converted to ordinary paths) as its children
Inkscape::XML::Node *grepr = xml_doc->createElement("svg:g");
- Inkscape::XML::Node *repr;
- for (SPObject *child = sp_object_first_child(SP_OBJECT(box)); child != NULL; child = SP_OBJECT_NEXT(child) ) {
+ for ( SPObject *child = box->firstChild(); child; child = child->getNext() ) {
if (SP_IS_BOX3D_SIDE(child)) {
- repr = box3d_side_convert_to_path(SP_BOX3D_SIDE(child));
+ Inkscape::XML::Node *repr = box3d_side_convert_to_path(SP_BOX3D_SIDE(child));
grepr->appendChild(repr);
} else {
- g_warning("Non-side object encountered as child of a 3D box.\n");
+ g_warning("Non-side item encountered as child of a 3D box.");
}
}
// add the new group to the box's parent and set remembered position
SPObject *parent = SP_OBJECT_PARENT(box);
- SP_OBJECT_REPR(parent)->appendChild(grepr);
+ parent->appendChild(grepr);
grepr->setPosition(pos);
+ grepr->setAttribute("style", style);
+ if (mask)
+ grepr->setAttribute("mask", mask);
+ if (clip_path)
+ grepr->setAttribute("clip-path", clip_path);
SP_OBJECT(box)->deleteObject(true);
+ grepr->setAttribute("id", id);
+
return SP_GROUP(doc->getObjectByRepr(grepr));
}
static inline void
box3d_push_back_corner_pair(SPBox3D *box, std::list<std::pair<Geom::Point, Geom::Point> > &pts, int c1, int c2) {
- pts.push_back(std::make_pair(box3d_get_corner_screen(box, c1).to_2geom(),
- box3d_get_corner_screen(box, c2).to_2geom()));
+ pts.push_back(std::make_pair(box3d_get_corner_screen(box, c1, false),
+ box3d_get_corner_screen(box, c2, false)));
}
void
box3d_convert_to_guides(SPItem *item) {
SPBox3D *box = SP_BOX3D(item);
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
- if (prefs_get_int_attribute("tools.shapes.3dbox", "convertguides", 1) == 0) {
- sp_item_convert_to_guides(SP_ITEM(box));
+ if (!prefs->getBool("/tools/shapes/3dbox/convertguides", true)) {
+ box->convert_to_guides();
return;
}
- SPDocument *doc = SP_OBJECT_DOCUMENT(box);
-
std::list<std::pair<Geom::Point, Geom::Point> > pts;
/* perspective lines in X direction */
box3d_push_back_corner_pair(box, pts, 2, 6);
box3d_push_back_corner_pair(box, pts, 3, 7);
- sp_guide_pt_pairs_to_guides(doc, pts);
+ sp_guide_pt_pairs_to_guides(inkscape_active_desktop(), pts);
}
/*