X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fsp-guide.cpp;h=a0186a37d7aa31942ef29054d053cec83a84564a;hb=0dc33d4ce43e0bb49c63aa53b826ec4a1ff68e28;hp=bd5823e16732bda24911d25fef6cc4f7e6f3ffd5;hpb=5562f1c65a931abfa0924ce345867fa9ad4ce8e2;p=inkscape.git diff --git a/src/sp-guide.cpp b/src/sp-guide.cpp index bd5823e16..a0186a37d 100644 --- a/src/sp-guide.cpp +++ b/src/sp-guide.cpp @@ -1,5 +1,3 @@ -#define __SP_GUIDE_C__ - /* * Inkscape guideline implementation * @@ -7,6 +5,8 @@ * Lauris Kaplinski * Peter Moulder * Johan Engelen + * Jon A. Cruz + * Abhishek Sharma * * Copyright (C) 2000-2002 authors * Copyright (C) 2004 Monash University @@ -18,6 +18,12 @@ #ifdef HAVE_CONFIG_H # include #endif + +#include +#include +#include +#include "desktop-handles.h" +#include "display/sp-canvas.h" #include "display/guideline.h" #include "svg/svg.h" #include "svg/stringstream.h" @@ -33,7 +39,10 @@ #include "inkscape.h" #include "desktop.h" #include "sp-namedview.h" +#include <2geom/angle.h> +#include "document.h" +using Inkscape::DocumentUndo; using std::vector; enum { @@ -66,7 +75,7 @@ GType sp_guide_get_type(void) sizeof(SPGuide), 16, (GInstanceInitFunc) sp_guide_init, - NULL, /* value_table */ + NULL, /* value_table */ }; guide_type = g_type_register_static(SP_TYPE_OBJECT, "SPGuide", &guide_info, (GTypeFlags) 0); } @@ -107,7 +116,7 @@ static void sp_guide_class_init(SPGuideClass *gc) static void sp_guide_init(SPGuide *guide) { - guide->normal_to_line = component_vectors[NR::Y]; + guide->normal_to_line = component_vectors[Geom::Y]; guide->point_on_line = Geom::Point(0.,0.); guide->color = 0x0000ff7f; guide->hicolor = 0xff00007f; @@ -151,8 +160,8 @@ static void sp_guide_build(SPObject *object, SPDocument *document, Inkscape::XML (* ((SPObjectClass *) (parent_class))->build)(object, document, repr); } - sp_object_read_attr(object, "orientation"); - sp_object_read_attr(object, "position"); + object->readAttr( "orientation" ); + object->readAttr( "position" ); } static void sp_guide_release(SPObject *object) @@ -160,7 +169,7 @@ static void sp_guide_release(SPObject *object) SPGuide *guide = (SPGuide *) object; while (guide->views) { - gtk_object_destroy(GTK_OBJECT(guide->views->data)); + sp_guideline_delete(SP_GUIDELINE(guide->views->data)); guide->views = g_slist_remove(guide->views, guide->views->data); } @@ -178,28 +187,28 @@ static void sp_guide_set(SPObject *object, unsigned int key, const gchar *value) { if (value && !strcmp(value, "horizontal")) { /* Visual representation of a horizontal line, constrain vertically (y coordinate). */ - guide->normal_to_line = component_vectors[NR::Y]; + guide->normal_to_line = component_vectors[Geom::Y]; } else if (value && !strcmp(value, "vertical")) { - guide->normal_to_line = component_vectors[NR::X]; + guide->normal_to_line = component_vectors[Geom::X]; } else if (value) { gchar ** strarray = g_strsplit(value, ",", 2); double newx, newy; unsigned int success = sp_svg_number_read_d(strarray[0], &newx); success += sp_svg_number_read_d(strarray[1], &newy); g_strfreev (strarray); - if (success == 2) { + if (success == 2 && (fabs(newx) > 1e-6 || fabs(newy) > 1e-6)) { Geom::Point direction(newx, newy); direction.normalize(); guide->normal_to_line = direction; } else { // default to vertical line for bad arguments - guide->normal_to_line = component_vectors[NR::X]; + guide->normal_to_line = component_vectors[Geom::X]; } } else { // default to vertical line for bad arguments - guide->normal_to_line = component_vectors[NR::X]; + guide->normal_to_line = component_vectors[Geom::X]; } - sp_guide_set_normal(*guide, guide->normal_to_line.to_2geom(), false); + sp_guide_set_normal(*guide, guide->normal_to_line, false); } break; case SP_ATTR_POSITION: @@ -234,27 +243,71 @@ static void sp_guide_set(SPObject *object, unsigned int key, const gchar *value) } } -void sp_guide_show(SPGuide *guide, SPCanvasGroup *group, GCallback handler) +SPGuide *SPGuide::createSPGuide(SPDesktop *desktop, Geom::Point const &pt1, Geom::Point const &pt2) { - SPCanvasItem *item = sp_guideline_new(group, guide->point_on_line, guide->normal_to_line.to_2geom()); - sp_guideline_set_color(SP_GUIDELINE(item), guide->color); + SPDocument *doc = sp_desktop_document(desktop); + Inkscape::XML::Document *xml_doc = doc->getReprDoc(); + + Inkscape::XML::Node *repr = xml_doc->createElement("sodipodi:guide"); + + Geom::Point n = Geom::rot90(pt2 - pt1); - g_signal_connect(G_OBJECT(item), "event", G_CALLBACK(handler), guide); + sp_repr_set_point(repr, "position", pt1); + sp_repr_set_point(repr, "orientation", n); - guide->views = g_slist_prepend(guide->views, item); + desktop->namedview->appendChild(repr); + Inkscape::GC::release(repr); + + SPGuide *guide= SP_GUIDE(doc->getObjectByRepr(repr)); + return guide; } -void sp_guide_hide(SPGuide *guide, SPCanvas *canvas) +void +sp_guide_pt_pairs_to_guides(SPDesktop *dt, std::list > &pts) { + for (std::list >::iterator i = pts.begin(); i != pts.end(); ++i) { + SPGuide::createSPGuide(dt, (*i).first, (*i).second); + } +} + +void +sp_guide_create_guides_around_page(SPDesktop *dt) { + SPDocument *doc=sp_desktop_document(dt); + std::list > pts; + + Geom::Point A(0, 0); + Geom::Point C(doc->getWidth(), doc->getHeight()); + Geom::Point B(C[Geom::X], 0); + Geom::Point D(0, C[Geom::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); + + DocumentUndo::done(doc, SP_VERB_NONE, _("Guides Around Page")); +} + +void SPGuide::showSPGuide(SPCanvasGroup *group, GCallback handler) +{ + SPCanvasItem *item = sp_guideline_new(group, point_on_line, normal_to_line); + sp_guideline_set_color(SP_GUIDELINE(item), color); + + g_signal_connect(G_OBJECT(item), "event", G_CALLBACK(handler), this); + + views = g_slist_prepend(views, item); +} + +void SPGuide::hideSPGuide(SPCanvas *canvas) { - g_assert(guide != NULL); - g_assert(SP_IS_GUIDE(guide)); g_assert(canvas != NULL); g_assert(SP_IS_CANVAS(canvas)); - for (GSList *l = guide->views; l != NULL; l = l->next) { + for (GSList *l = views; l != NULL; l = l->next) { if (canvas == SP_CANVAS_ITEM(l->data)->canvas) { - gtk_object_destroy(GTK_OBJECT(l->data)); - guide->views = g_slist_remove(guide->views, l->data); + sp_guideline_delete(SP_GUIDELINE(l->data)); + views = g_slist_remove(views, l->data); return; } } @@ -262,14 +315,12 @@ void sp_guide_hide(SPGuide *guide, SPCanvas *canvas) g_assert_not_reached(); } -void sp_guide_sensitize(SPGuide *guide, SPCanvas *canvas, gboolean sensitive) +void SPGuide::sensitize(SPCanvas *canvas, gboolean sensitive) { - g_assert(guide != NULL); - g_assert(SP_IS_GUIDE(guide)); g_assert(canvas != NULL); g_assert(SP_IS_CANVAS(canvas)); - for (GSList *l = guide->views; l != NULL; l = l->next) { + for (GSList *l = views; l != NULL; l = l->next) { if (canvas == SP_CANVAS_ITEM(l->data)->canvas) { sp_guideline_set_sensitive(SP_GUIDELINE(l->data), sensitive); return; @@ -279,14 +330,14 @@ void sp_guide_sensitize(SPGuide *guide, SPCanvas *canvas, gboolean sensitive) g_assert_not_reached(); } -Geom::Point sp_guide_position_from_pt(SPGuide const *guide, NR::Point const &pt) +Geom::Point SPGuide::getPositionFrom(Geom::Point const &pt) const { - return -(pt.to_2geom() - guide->point_on_line); + return -(pt - point_on_line); } -double sp_guide_distance_from_pt(SPGuide const *guide, Geom::Point const &pt) +double SPGuide::getDistanceFrom(Geom::Point const &pt) const { - return dot(pt - guide->point_on_line, guide->normal_to_line); + return Geom::dot(pt - point_on_line, normal_to_line); } /** @@ -302,10 +353,11 @@ void sp_guide_moveto(SPGuide const &guide, Geom::Point const point_on_line, bool sp_guideline_set_position(SP_GUIDELINE(l->data), point_on_line); } - /* Calling sp_repr_set_svg_point must precede calling sp_item_notify_moveto in the commit + /* Calling sp_repr_set_point must precede calling sp_item_notify_moveto in the commit case, so that the guide's new position is available for sp_item_rm_unsatisfied_cns. */ if (commit) { - sp_repr_set_svg_point(SP_OBJECT(&guide)->repr, "position", point_on_line); + //XML Tree being used here directly while it shouldn't be. + sp_repr_set_point(SP_OBJECT(&guide)->getRepr(), "position", point_on_line); } /* DISABLED CODE BECAUSE SPGuideAttachment IS NOT USE AT THE MOMENT (johan) @@ -335,7 +387,8 @@ void sp_guide_set_normal(SPGuide const &guide, Geom::Point const normal_to_line, /* Calling sp_repr_set_svg_point must precede calling sp_item_notify_moveto in the commit case, so that the guide's new position is available for sp_item_rm_unsatisfied_cns. */ if (commit) { - sp_repr_set_svg_point(SP_OBJECT(&guide)->repr, "orientation", normal_to_line); + //XML Tree being used directly while it shouldn't be + sp_repr_set_point(SP_OBJECT(&guide)->getRepr(), "orientation", normal_to_line); } /* DISABLED CODE BECAUSE SPGuideAttachment IS NOT USE AT THE MOMENT (johan) @@ -351,33 +404,45 @@ void sp_guide_set_normal(SPGuide const &guide, Geom::Point const normal_to_line, /** * Returns a human-readable description of the guideline for use in dialog boxes and status bar. + * If verbose is false, only positioning information is included (useful for dialogs). * * The caller is responsible for freeing the string. */ -char *sp_guide_description(SPGuide const *guide) +char *sp_guide_description(SPGuide const *guide, const bool verbose) { - using NR::X; - using NR::Y; + using Geom::X; + using Geom::Y; - GString *position_string_x = SP_PX_TO_METRIC_STRING(guide->point_on_line[X], SP_ACTIVE_DESKTOP->namedview->getDefaultMetric()); - GString *position_string_y = SP_PX_TO_METRIC_STRING(guide->point_on_line[Y], SP_ACTIVE_DESKTOP->namedview->getDefaultMetric()); - - if ( guide->normal_to_line == component_vectors[X] ) { - return g_strdup_printf(_("vertical guideline at %s"), position_string_x->str); - } else if ( guide->normal_to_line == component_vectors[Y] ) { - return g_strdup_printf(_("horizontal guideline at %s"), position_string_y->str); + GString *position_string_x = SP_PX_TO_METRIC_STRING(guide->point_on_line[X], + SP_ACTIVE_DESKTOP->namedview->getDefaultMetric()); + GString *position_string_y = SP_PX_TO_METRIC_STRING(guide->point_on_line[Y], + SP_ACTIVE_DESKTOP->namedview->getDefaultMetric()); + + gchar *shortcuts = g_strdup_printf("; %s", _("Shift+drag to rotate, Ctrl+drag to move origin, Del to delete")); + gchar *descr; + + if ( are_near(guide->normal_to_line, component_vectors[X]) || + are_near(guide->normal_to_line, -component_vectors[X]) ) { + descr = g_strdup_printf(_("vertical, at %s"), position_string_x->str); + } else if ( are_near(guide->normal_to_line, component_vectors[Y]) || + are_near(guide->normal_to_line, -component_vectors[Y]) ) { + descr = g_strdup_printf(_("horizontal, at %s"), position_string_y->str); } else { - double const radians = atan2(guide->normal_to_line[X], - guide->normal_to_line[Y]); - /* flip y axis and rotate 90 degrees to convert to line angle */ - double const degrees = ( radians / M_PI ) * 180.0; - int const degrees_int = (int) floor( degrees + .5 ); - return g_strdup_printf("%d degree guideline at (%s,%s)", degrees_int, position_string_x->str, position_string_y->str); - /* Alternative suggestion: "angled guideline". */ + double const radians = guide->angle(); + double const degrees = Geom::rad_to_deg(radians); + int const degrees_int = (int) round(degrees); + descr = g_strdup_printf(_("at %d degrees, through (%s,%s)"), + degrees_int, position_string_x->str, position_string_y->str); } g_string_free(position_string_x, TRUE); g_string_free(position_string_y, TRUE); + + if (verbose) { + descr = g_strconcat(descr, shortcuts, NULL); + } + g_free(shortcuts); + return descr; } void sp_guide_remove(SPGuide *guide) @@ -393,7 +458,8 @@ void sp_guide_remove(SPGuide *guide) } guide->attached_items.clear(); - sp_repr_unparent(SP_OBJECT(guide)->repr); + //XML Tree being used directly while it shouldn't be. + sp_repr_unparent(SP_OBJECT(guide)->getRepr()); } /*