From b1fd9e5520ba0578f3b1dbfa53a806bfdb74f3a3 Mon Sep 17 00:00:00 2001
From: Jabier Arraiza Cenoz <jabier.arraiza@marker.es>
Date: Mon, 3 Oct 2016 00:48:49 +0200
Subject: Doc rotate start

(bzr r15142.1.1)
---
 src/sp-namedview.cpp | 47 ++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 46 insertions(+), 1 deletion(-)

(limited to 'src/sp-namedview.cpp')

diff --git a/src/sp-namedview.cpp b/src/sp-namedview.cpp
index b9526433f..69fc78b33 100644
--- a/src/sp-namedview.cpp
+++ b/src/sp-namedview.cpp
@@ -29,12 +29,14 @@
 #include "desktop-events.h"
 
 #include "sp-guide.h"
+#include "sp-root.h"
 #include "sp-item-group.h"
 #include "sp-namedview.h"
 #include "preferences.h"
 #include "desktop.h"
+#include "selection.h"
+#include "inkscape.h"
 #include "conn-avoid-ref.h" // for defaultConnSpacing.
-#include "sp-root.h"
 #include <gtkmm/window.h>
 
 using Inkscape::DocumentUndo;
@@ -49,6 +51,7 @@ using Inkscape::Util::unit_table;
 #define DEFAULTPAGECOLOR 0xffffff00
 
 static void sp_namedview_setup_guides(SPNamedView * nv);
+static void sp_namedview_set_document_rotation(SPDocument * doc, SPNamedView * nv);
 static void sp_namedview_lock_guides(SPNamedView * nv);
 static void sp_namedview_show_single_guide(SPGuide* guide, bool show);
 static void sp_namedview_lock_single_guide(SPGuide* guide, bool show);
@@ -72,6 +75,7 @@ SPNamedView::SPNamedView() : SPObjectGroup(), snap_manager(this) {
     this->pagecolor = 0;
     this->cx = 0;
     this->pageshadow = 0;
+    this->document_rotation = 0;
     this->window_width = 0;
     this->window_height = 0;
     this->window_maximized = 0;
@@ -212,6 +216,7 @@ void SPNamedView::build(SPDocument *document, Inkscape::XML::Node *repr) {
     this->readAttr( "inkscape:zoom" );
     this->readAttr( "inkscape:cx" );
     this->readAttr( "inkscape:cy" );
+    this->readAttr( "inkscape:document-rotation" );
     this->readAttr( "inkscape:window-width" );
     this->readAttr( "inkscape:window-height" );
     this->readAttr( "inkscape:window-x" );
@@ -409,6 +414,13 @@ void SPNamedView::set(unsigned int key, const gchar* value) {
             this->cy = value ? g_ascii_strtod(value, NULL) : HUGE_VAL; // HUGE_VAL means not set
             this->requestModified(SP_OBJECT_MODIFIED_FLAG);
             break;
+    case SP_ATTR_INKSCAPE_DOCUMENT_ROTATION:
+            this->document_rotation = value ? g_ascii_strtod(value, NULL) : 0; // zero means not set
+            if (value && document) {
+                sp_namedview_set_document_rotation(document, this);
+            }
+            this->requestModified(SP_OBJECT_MODIFIED_FLAG);
+            break;
     case SP_ATTR_INKSCAPE_WINDOW_WIDTH:
             this->window_width = value? atoi(value) : -1; // -1 means not set
             this->requestModified(SP_OBJECT_MODIFIED_FLAG);
@@ -939,6 +951,39 @@ static void sp_namedview_lock_guides(SPNamedView *nv)
     }
 }
 
+static void sp_namedview_set_document_rotation(SPDocument *doc, SPNamedView *nv)
+{
+    SPDesktop * desktop = SP_ACTIVE_DESKTOP;
+    Geom::Rect area;
+    Geom::Point p = Geom::Point();
+    if (desktop) {
+        area = desktop->get_display_area();
+        p = area.midpoint();
+        p *= desktop->doc2dt();
+        p *= doc->getRoot()->rotation.inverse();
+    }
+    doc->getRoot()->set_rotation(nv->document_rotation);
+    if (nv->document_rotation) {
+        nv->showborder = FALSE;
+    } else {
+        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+        nv->showborder = prefs->getBool("/template/base/showborder", 1.0);
+    }
+    if (desktop) {
+        p *= doc->getRoot()->rotation;
+        //desktop->scroll_world_in_svg_coords (p[Geom::X], p[Geom::Y], true);
+        // *= doc->getRoot()->c2p * doc->getRoot()->rotation();
+        //desktop->zoom_absolute (p[Geom::X], p[Geom::Y], desktop->current_zoom());
+        std::cout << p << "pppppp\n";
+//        Geom::Point min_pt = Geom::Point(p[Geom::X] - (area.width() / 2.0), p[Geom::Y] - (area.height() / 2.0));
+//        Geom::Point max_pt = Geom::Point(p[Geom::X] + (area.width() / 2.0), p[Geom::Y] + (area.height() / 2.0));
+//        Geom::Rect const new_area(min_pt, max_pt);
+//        desktop->set_display_area (new_area, 0, false);
+        Inkscape::Selection * sel = desktop->getSelection();
+        sel->clear();
+    }
+}
+
 static void sp_namedview_show_single_guide(SPGuide* guide, bool show)
 {
     if (show) {
-- 
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