![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
diff --git a/src/box3d-side.cpp b/src/box3d-side.cpp
index 741bf97b40c61f58321bfa6cfe6ee0589bd9a35f..72a479ca4ab0957ead622c60404acbdfd15e131b 100644 (file)
--- a/src/box3d-side.cpp
+++ b/src/box3d-side.cpp
-#define __BOX3D_SIDE_C__
-
/*
* 3D box face implementation
*
* Authors:
* Maximilian Albert <Anhalter42@gmx.de>
+ * Abhishek Sharma
*
* Copyright (C) 2007 Authors
*
#include "inkscape.h"
#include "persp3d.h"
#include "box3d-context.h"
-#include "prefs-utils.h"
+#include "preferences.h"
#include "desktop-style.h"
#include "box3d.h"
static void box3d_side_init (Box3DSide *side);
static void box3d_side_build (SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
-static Inkscape::XML::Node *box3d_side_write (SPObject *object, Inkscape::XML::Node *repr, guint flags);
+static Inkscape::XML::Node *box3d_side_write (SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags);
static void box3d_side_set (SPObject *object, unsigned int key, const gchar *value);
static void box3d_side_update (SPObject *object, SPCtx *ctx, guint flags);
-//static gchar * box3d_side_description (SPItem * item);
-//static void box3d_side_snappoints(SPItem const *item, SnapPointsIter p);
-
-//static void box3d_side_set_shape (SPShape *shape);
-//static void box3d_side_update_patheffect (SPShape *shape, bool write);
+static void box3d_side_set_shape (SPShape *shape);
-static void box3d_side_apply_style (Box3DSide *side);
-static Proj::Pt3 box3d_side_corner (Box3DSide *side, guint index);
-static std::vector<Proj::Pt3> box3d_side_corners (Box3DSide *side);
-// static gint box3d_side_descr_to_id (gchar const *descr);
+static void box3d_side_compute_corner_ids(Box3DSide *side, unsigned int corners[4]);
static SPShapeClass *parent_class;
sp_object_class->set = box3d_side_set;
sp_object_class->update = box3d_side_update;
- //item_class->description = box3d_side_description;
- //item_class->snappoints = box3d_side_snappoints;
-
shape_class->set_shape = box3d_side_set_shape;
- //shape_class->update_patheffect = box3d_side_update_patheffect;
}
static void
side->front_or_rear = Box3D::FRONT;
}
-static void
-box3d_side_build (SPObject * object, SPDocument * document, Inkscape::XML::Node * repr)
+static void box3d_side_build(SPObject * object, SPDocument * document, Inkscape::XML::Node * repr)
{
- if (((SPObjectClass *) parent_class)->build)
- ((SPObjectClass *) parent_class)->build (object, document, repr);
+ if (((SPObjectClass *) parent_class)->build) {
+ ((SPObjectClass *) parent_class)->build(object, document, repr);
+ }
- sp_object_read_attr (object, "inkscape:box3dsidetype");
+ object->readAttr( "inkscape:box3dsidetype" );
}
static Inkscape::XML::Node *
-box3d_side_write (SPObject *object, Inkscape::XML::Node *repr, guint flags)
+box3d_side_write (SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
{
Box3DSide *side = SP_BOX3D_SIDE (object);
if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
- g_print ("Do we ever end up here?\n");
- Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_OBJECT_DOCUMENT(object));
+ // 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:path
repr = xml_doc->createElement("svg:path");
- repr->setAttribute("sodipodi:type", "inkscape:box3dside"); // FIXME: Does this double the
}
if (flags & SP_OBJECT_WRITE_EXT) {
sp_repr_set_int(repr, "inkscape:box3dsidetype", side->dir1 ^ side->dir2 ^ side->front_or_rear);
}
- sp_shape_set_shape ((SPShape *) object); // FIXME: necessary? YES!
+ static_cast<SPShape *>(object)->setShape();
/* Duplicate the path */
- SPCurve *curve = ((SPShape *) object)->curve;
+ SPCurve const *curve = ((SPShape *) object)->curve;
//Nulls might be possible if this called iteratively
if ( !curve ) {
return NULL;
}
- NArtBpath *bpath = SP_CURVE_BPATH(curve);
- if ( !bpath ) {
- return NULL;
- }
- char *d = sp_svg_write_path ( bpath );
+ char *d = sp_svg_write_path ( curve->get_pathvector() );
repr->setAttribute("d", d);
g_free (d);
- box3d_side_apply_style (side);
-
if (((SPObjectClass *) (parent_class))->write)
- ((SPObjectClass *) (parent_class))->write (object, repr, flags);
+ ((SPObjectClass *) (parent_class))->write (object, xml_doc, repr, flags);
return repr;
}
static void
box3d_side_update (SPObject *object, SPCtx *ctx, guint flags)
{
- //g_print ("box3d_side_update\n");
+ if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
+ flags &= ~SP_OBJECT_USER_MODIFIED_FLAG_B; // since we change the description, it's not a "just translation" anymore
+ }
+
if (flags & (SP_OBJECT_MODIFIED_FLAG |
- //SP_OBJECT_CHILD_MODIFIED_FLAG |
SP_OBJECT_STYLE_MODIFIED_FLAG |
SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
- /***
- g_print ("\n\nIn box3d_side_update: ");
- if (flags & SP_OBJECT_MODIFIED_FLAG) g_print ("SP_OBJECT_MODIFIED_FLAG ");
- if (flags & SP_OBJECT_CHILD_MODIFIED_FLAG) g_print ("SP_OBJECT_CHILD_MODIFIED_FLAG ");
- if (flags & SP_OBJECT_STYLE_MODIFIED_FLAG) g_print ("SP_OBJECT_STYLE_MODIFIED_FLAG ");
- if (flags & SP_OBJECT_VIEWPORT_MODIFIED_FLAG) g_print ("SP_OBJECT_VIEWPORT_MODIFIED_FLAG ");
- g_print ("\n");
- ***/
- sp_shape_set_shape ((SPShape *) object);
+ static_cast<SPShape *>(object)->setShape ();
}
if (((SPObjectClass *) parent_class)->update)
((SPObjectClass *) parent_class)->update (object, ctx, flags);
}
-/***
-static void
-box3d_side_update_patheffect(SPShape *shape, bool write)
+/* Create a new Box3DSide and append it to the parent box */
+Box3DSide * Box3DSide::createBox3DSide(SPBox3D *box)
{
- box3d_side_set_shape(shape);
-
- if (write) {
- Inkscape::XML::Node *repr = SP_OBJECT_REPR(shape);
- if ( shape->curve != NULL ) {
- NArtBpath *abp = sp_curve_first_bpath(shape->curve);
- if (abp) {
- gchar *str = sp_svg_write_path(abp);
- repr->setAttribute("d", str);
- g_free(str);
- } else {
- repr->setAttribute("d", "");
- }
- } else {
- repr->setAttribute("d", NULL);
- }
- }
-
- ((SPObject *)shape)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
+ Box3DSide *box3d_side = 0;
+ Inkscape::XML::Document *xml_doc = box->document->rdoc;
+ Inkscape::XML::Node *repr_side = xml_doc->createElement("svg:path");
+ repr_side->setAttribute("sodipodi:type", "inkscape:box3dside");
+ box3d_side = static_cast<Box3DSide *>(box->appendChildRepr(repr_side));
+ return box3d_side;
}
-***/
-/***
-static gchar *
-box3d_side_description (SPItem *item)
+/*
+ * Function which return the type attribute for Box3D.
+ * Acts as a replacement for directly accessing the XML Tree directly.
+ */
+long long int Box3DSide::getFaceId()
{
- Box3DSide *side = SP_BOX3D_SIDE (item);
-
- // while there will never be less than 3 vertices, we still need to
- // make calls to ngettext because the pluralization may be different
- // for various numbers >=3. The singular form is used as the index.
- if (side->flatsided == false )
- return g_strdup_printf (ngettext("<b>Star</b> with %d vertex",
- "<b>Star</b> with %d vertices",
- star->sides), star->sides);
- else
- return g_strdup_printf (ngettext("<b>Polygon</b> with %d vertex",
- "<b>Polygon</b> with %d vertices",
- star->sides), star->sides);
+ return this->getIntAttribute("inkscape:box3dsidetype", -1);
}
-***/
void
box3d_side_position_set (Box3DSide *side) {
void
box3d_side_set_shape (SPShape *shape)
{
- //g_print ("box3d_side_set_shape\n");
Box3DSide *side = SP_BOX3D_SIDE (shape);
if (!SP_OBJECT_DOCUMENT(side)->root) {
// avoid a warning caused by sp_document_height() (which is called from sp_item_i2d_affine() below)
return;
}
- if (!SP_IS_BOX3D(SP_OBJECT(side)->parent)) {
+ SPObject *parent = SP_OBJECT(side)->parent;
+ if (!SP_IS_BOX3D(parent)) {
g_warning ("Parent of 3D box side is not a 3D box.\n");
- /**
- g_print ("Removing the inkscape:box3dside attribute and returning from box3d_side_set_shape().\n");
- SP_OBJECT_REPR (shape)->setAttribute("sodipodi:type", NULL);
- SP_OBJECT_REPR (shape)->setAttribute("inkscape:box3dside", NULL);
- **/
return;
}
+ SPBox3D *box = SP_BOX3D(parent);
Persp3D *persp = box3d_side_perspective(side);
- //g_return_if_fail (persp != NULL);
if (!persp) {
- //g_warning ("persp != NULL in box3d_side_set_shape failed!\n");
- //persp = SP_OBJECT_DOCUMENT(side)->current_persp3d;
return;
}
- SPCurve *c = sp_curve_new ();
// TODO: Draw the correct quadrangle here
// To do this, determine the perspective of the box, the orientation of the side (e.g., XY-FRONT)
// compute the coordinates of the corners in P^3, project them onto the canvas, and draw the
// resulting path.
- std::vector<Proj::Pt3> corners = box3d_side_corners (side);
-
- NR::Matrix const i2d (sp_item_i2d_affine (SP_ITEM(shape)));
+ unsigned int corners[4];
+ box3d_side_compute_corner_ids(side, corners);
- // FIXME: This can better be implemented by using box3d_get_corner
- sp_curve_moveto (c, persp->tmat.image(corners[0]).affine() * i2d);
- sp_curve_lineto (c, persp->tmat.image(corners[1]).affine() * i2d);
- sp_curve_lineto (c, persp->tmat.image(corners[2]).affine() * i2d);
- sp_curve_lineto (c, persp->tmat.image(corners[3]).affine() * i2d);
+ SPCurve *c = new SPCurve();
- sp_curve_closepath (c);
- //sp_shape_perform_path_effect(c, SP_SHAPE (side));
- sp_shape_set_curve_insync (SP_SHAPE (side), c, TRUE);
- sp_curve_unref (c);
-}
-
-static void
-//box3d_side_apply_style (SPBox3D *box, bool extruded) {
-box3d_side_apply_style (Box3DSide *side) {
- Inkscape::XML::Node *repr_face = SP_OBJECT_REPR(SP_OBJECT(side));
-
- /**
- if (!extruded && !strcmp (box3d_side_axes_string (), "XYrear")) {
- // to avoid "flashing" during the initial dragging process, we make the rear face invisible in this case
- repr_face->setAttribute("style", "fill:none");
+ if (!box3d_get_corner_screen(box, corners[0]).isFinite() ||
+ !box3d_get_corner_screen(box, corners[1]).isFinite() ||
+ !box3d_get_corner_screen(box, corners[2]).isFinite() ||
+ !box3d_get_corner_screen(box, corners[3]).isFinite() )
+ {
+ g_warning ("Trying to draw a 3D box side with invalid coordinates.\n");
return;
}
- **/
-
- gchar *descr = g_strconcat ("desktop.", box3d_side_axes_string (side), NULL);
- const gchar * cur_style = prefs_get_string_attribute(descr, "style");
- g_free (descr);
-
- SPDesktop *desktop = inkscape_active_desktop();
- bool use_current = prefs_get_int_attribute("tools.shapes.3dbox", "usecurrent", 0);
- if (use_current && cur_style !=NULL) {
- /* use last used style */
- repr_face->setAttribute("style", cur_style);
- } else {
- /* use default style */
- GString *pstring = g_string_new("");
- g_string_printf (pstring, "tools.shapes.3dbox.%s", box3d_side_axes_string(side));
- sp_desktop_apply_style_tool (desktop, repr_face, pstring->str, false);
+
+ c->moveto(box3d_get_corner_screen(box, corners[0]));
+ c->lineto(box3d_get_corner_screen(box, corners[1]));
+ c->lineto(box3d_get_corner_screen(box, corners[2]));
+ c->lineto(box3d_get_corner_screen(box, corners[3]));
+ c->closepath();
+
+ /* Reset the shape'scurve to the "original_curve"
+ * This is very important for LPEs to work properly! (the bbox might be recalculated depending on the curve in shape)*/
+ shape->setCurveInsync( c, TRUE);
+ if (sp_lpe_item_has_path_effect(SP_LPE_ITEM(shape)) && sp_lpe_item_path_effects_enabled(SP_LPE_ITEM(shape))) {
+ SPCurve *c_lpe = c->copy();
+ bool success = sp_lpe_item_perform_path_effect(SP_LPE_ITEM (shape), c_lpe);
+ if (success) {
+ shape->setCurveInsync( c_lpe, TRUE);
+ }
+ c_lpe->unref();
}
+ c->unref();
}
-gchar *
-box3d_side_axes_string(Box3DSide *side)
+gchar *box3d_side_axes_string(Box3DSide *side)
{
GString *pstring = g_string_new("");
g_string_printf (pstring, "%s", Box3D::string_from_axes ((Box3D::Axis) (side->dir1 ^ side->dir2)));
return pstring->str;
}
-static Proj::Pt3
-box3d_side_corner (Box3DSide *side, guint index) {
- SPBox3D *box = SP_BOX3D(SP_OBJECT_PARENT(side));
- return Proj::Pt3 ((index & 0x1) ? box->orig_corner7[Proj::X] : box->orig_corner0[Proj::X],
- (index & 0x2) ? box->orig_corner7[Proj::Y] : box->orig_corner0[Proj::Y],
- (index & 0x4) ? box->orig_corner7[Proj::Z] : box->orig_corner0[Proj::Z],
- 1.0);
-}
-
-static std::vector<Proj::Pt3>
-box3d_side_corners (Box3DSide *side) {
- std::vector<Proj::Pt3> corners;
+static void
+box3d_side_compute_corner_ids(Box3DSide *side, unsigned int corners[4]) {
Box3D::Axis orth = Box3D::third_axis_direction (side->dir1, side->dir2);
- unsigned int i0 = (side->front_or_rear ? orth : 0);
- unsigned int i1 = i0 ^ side->dir1;
- unsigned int i2 = i0 ^ side->dir1 ^ side->dir2;
- unsigned int i3 = i0 ^ side->dir2;
-
- corners.push_back (box3d_side_corner (side, i0));
- corners.push_back (box3d_side_corner (side, i1));
- corners.push_back (box3d_side_corner (side, i2));
- corners.push_back (box3d_side_corner (side, i3));
- return corners;
-}
-/*
-static gint
-box3d_side_descr_to_id (gchar const *descr)
-{
- if (!strcmp (descr, "XYrear")) { return 5; }
- if (!strcmp (descr, "XYfront")) { return 2; }
- if (!strcmp (descr, "XZbottom")) { return 1; }
- if (!strcmp (descr, "XZtop")) { return 4; }
- if (!strcmp (descr, "YZleft")) { return 3; }
- if (!strcmp (descr, "YZright")) { return 0; }
-
- g_warning ("Invalid description of 3D box face.\n");
- g_print (" (description is: %s)\n", descr);
- return -1;
+ corners[0] = (side->front_or_rear ? orth : 0);
+ corners[1] = corners[0] ^ side->dir1;
+ corners[2] = corners[0] ^ side->dir1 ^ side->dir2;
+ corners[3] = corners[0] ^ side->dir2;
}
-*/
Persp3D *
box3d_side_perspective(Box3DSide *side) {
return SP_BOX3D(SP_OBJECT(side)->parent)->persp_ref->getObject();
}
+Inkscape::XML::Node *box3d_side_convert_to_path(Box3DSide *side) {
+ // TODO: Copy over all important attributes (see sp_selected_item_to_curved_repr() for an example)
+ SPDocument *doc = SP_OBJECT_DOCUMENT(side);
+ Inkscape::XML::Document *xml_doc = doc->getReprDoc();
+
+ Inkscape::XML::Node *repr = xml_doc->createElement("svg:path");
+ repr->setAttribute("d", side->getAttribute("d"));
+ repr->setAttribute("style", side->getAttribute("style"));
+
+ return repr;
+}
+
/*
Local Variables:
mode:c++
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 :