mirror of https://github.com/KLayout/klayout.git
503 lines
12 KiB
C++
503 lines
12 KiB
C++
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/*
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KLayout Layout Viewer
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Copyright (C) 2006-2017 Matthias Koefferlein
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "imgLandmarksDialog.h"
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#include "imgService.h"
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#include "layLayoutView.h"
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namespace img
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{
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// ---------------------------------------------------------------------------------------------
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// A landmark marker
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class IMG_PUBLIC LandmarkMarker
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: public lay::ViewObject
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{
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public:
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/**
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* @brief Constructor attaching to a certain object
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*/
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LandmarkMarker (lay::ViewService *service, const db::DPoint &pos, bool selected)
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: lay::ViewObject (service->widget ()),
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mp_service (service), m_pos (pos), m_selected (selected), m_position_set (true)
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{
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// .. nothing yet ..
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}
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/**
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* @brief Constructor attaching to a certain object
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*/
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LandmarkMarker (lay::ViewService *service, bool selected)
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: lay::ViewObject (service->widget ()),
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mp_service (service), m_pos (), m_selected (selected), m_position_set (false)
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{
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// .. nothing yet ..
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}
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/**
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* @brief The destructor
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*/
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~LandmarkMarker ()
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{
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// .. nothing yet ..
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}
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/**
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* @brief Reset the position
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*/
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void reset_position ()
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{
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if (m_position_set) {
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m_position_set = false;
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redraw ();
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}
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}
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/**
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* @brief Set the position
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*/
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void set_position (const db::DPoint &p)
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{
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if (m_pos != p || ! m_position_set) {
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m_position_set = true;
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m_pos = p;
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redraw ();
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}
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}
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/**
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* @brief Get the position
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*/
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const db::DPoint &position () const
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{
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return m_pos;
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}
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private:
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lay::ViewService *mp_service;
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db::DPoint m_pos;
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bool m_selected;
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bool m_position_set;
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virtual void render (const lay::Viewport &vp, lay::ViewObjectCanvas &canvas)
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{
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if (! m_position_set) {
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return;
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}
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int basic_width = int(0.5 + 1.0 / canvas.resolution ());
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// obtain bitmap to render on
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lay::CanvasPlane *plane_frame = 0, *plane_fill = 0;
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std::vector <lay::ViewOp> vops;
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vops.reserve (2);
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vops.push_back (lay::ViewOp (canvas.background_color ().rgb (), lay::ViewOp::Copy, 0, 0, 0, lay::ViewOp::Rect, 3 * basic_width, 1));
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vops.push_back (lay::ViewOp (canvas.foreground_color ().rgb (), lay::ViewOp::Copy, 0, 0, 0, lay::ViewOp::Rect, 1, 2));
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lay::CanvasPlane *plane = canvas.plane (vops);
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if (m_selected) {
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plane_fill = plane_frame = plane;
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} else {
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plane_frame = plane;
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}
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int pixel_size = 2;
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double s = vp.trans ().inverted ().ctrans (pixel_size * basic_width);
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canvas.renderer ().draw (db::DBox (m_pos - db::DVector (s, s), m_pos + db::DVector (s, s)), vp.trans (), plane_fill, plane_frame, 0, 0);
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canvas.renderer ().draw (db::DEdge (m_pos - db::DVector (0, s * 3.0), m_pos + db::DVector (0, s * 3.0)), vp.trans (), plane_fill, plane_frame, 0, 0);
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canvas.renderer ().draw (db::DEdge (m_pos - db::DVector (s * 3.0, 0), m_pos + db::DVector (s * 3.0, 0)), vp.trans (), plane_fill, plane_frame, 0, 0);
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}
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// no copying nor default construction
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LandmarkMarker (const LandmarkMarker &d);
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LandmarkMarker &operator= (const LandmarkMarker &d);
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LandmarkMarker ();
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};
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// ---------------------------------------------------------------------------------------------
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// Navigator service definition and implementation
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class LandmarkEditorService
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: public lay::ViewService
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{
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public:
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LandmarkEditorService (lay::LayoutView *view, img::Object *img)
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: lay::ViewService (view->view_object_widget ()),
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mp_view (view), mp_image (img), m_selected (-1), m_dragging (false),
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m_mode (LandmarksDialog::None)
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{
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update ();
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}
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~LandmarkEditorService ()
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{
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drag_cancel ();
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clear ();
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}
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bool mouse_release_event (const db::DPoint & /*p*/, unsigned int /*buttons*/, bool /*prio*/)
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{
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// ...
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return false;
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}
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void set_mode (LandmarksDialog::mode_t mode)
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{
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if (mode != m_mode) {
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m_mode = mode;
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drag_cancel ();
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if (m_mode == LandmarksDialog::Move) {
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// ..
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} else if (m_mode == LandmarksDialog::Add) {
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m_selected = int (mp_image->landmarks ().size ());
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update ();
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widget ()->grab_mouse (this, false);
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m_dragging = true;
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} else if (m_mode == LandmarksDialog::Delete) {
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// ..
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}
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}
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}
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bool mouse_click_event (const db::DPoint &p, unsigned int /*buttons*/, bool prio)
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{
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if (prio) {
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if (m_dragging) {
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if (m_mode == LandmarksDialog::Add) {
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img::Object::landmarks_type lm = mp_image->landmarks ();
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while (m_selected >= int (lm.size ())) {
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lm.push_back (db::DPoint ());
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}
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if (m_selected >= 0) {
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lm [m_selected] = p;
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}
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mp_image->set_landmarks (lm);
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m_selected = int (lm.size ());
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update ();
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} else if (m_mode == LandmarksDialog::Move) {
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img::Object::landmarks_type lm = mp_image->landmarks ();
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if (m_selected >= 0 && m_selected < int (lm.size ())) {
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lm [m_selected] = p;
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}
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mp_image->set_landmarks (lm);
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m_selected = -1;
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update ();
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widget ()->grab_mouse (this, false);
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m_dragging = false;
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}
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} else {
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int search_range = 5; // TODO: make_variable?
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double l = double (search_range) / widget ()->mouse_event_trans ().mag ();
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db::DBox search_box = db::DBox (p, p).enlarged (db::DVector (l, l));
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int li = 0;
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for (std::vector<db::DPoint>::const_iterator l = mp_image->landmarks ().begin (); l != mp_image->landmarks ().end (); ++l, ++li) {
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if (search_box.contains (*l)) {
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m_selected = li;
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break;
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}
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}
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if (m_mode == LandmarksDialog::Add) {
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// no action yet.
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} else if (m_mode == LandmarksDialog::Move) {
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// no action yet.
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update ();
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m_dragging = true;
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} else if (m_mode == LandmarksDialog::Delete) {
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if (m_selected >= 0 && m_selected < int (mp_image->landmarks ().size ())) {
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img::Object::landmarks_type lm = mp_image->landmarks ();
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lm.erase (lm.begin () + m_selected);
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mp_image->set_landmarks (lm);
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m_selected = -1;
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update ();
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}
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}
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}
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return true;
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} else {
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return false;
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}
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}
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void update_landmarks ()
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{
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drag_cancel ();
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update_internal ();
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}
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bool mouse_press_event (const db::DPoint & /*p*/, unsigned int /*buttons*/, bool /*prio*/)
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{
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// ..
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return false;
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}
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bool mouse_move_event (const db::DPoint &p, unsigned int /*buttons*/, bool prio)
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{
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if (prio) {
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if (m_dragging) {
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if (m_mode == LandmarksDialog::Add) {
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set_cursor (lay::Cursor::cross);
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} else {
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set_cursor (lay::Cursor::size_all);
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}
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} else if (! m_dragging) {
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int search_range = 5; // TODO: make_variable?
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double l = double (search_range) / widget ()->mouse_event_trans ().mag ();
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db::DBox search_box = db::DBox (p, p).enlarged (db::DVector (l, l));
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int li = 0;
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int selected = -1;
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for (std::vector<db::DPoint>::const_iterator l = mp_image->landmarks ().begin (); l != mp_image->landmarks ().end (); ++l, ++li) {
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if (search_box.contains (*l)) {
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selected = li;
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break;
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}
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}
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set_cursor (lay::Cursor::none);
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if (selected >= 0) {
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if (m_mode == LandmarksDialog::Move) {
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set_cursor (lay::Cursor::size_all);
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} else if (m_mode == LandmarksDialog::Delete) {
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set_cursor (lay::Cursor::pointing_hand);
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}
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}
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}
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return true;
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} else {
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return false;
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}
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}
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void drag_cancel ()
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{
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if (m_dragging) {
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m_dragging = false;
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}
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widget ()->ungrab_mouse (this);
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}
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void set_colors (QColor /*background*/, QColor /*color*/)
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{
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// ...
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}
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int selected_index () const
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{
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return m_selected;
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}
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/**
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* @brief An event indicating that the image was updated
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* This event is fired if the image was changed in any way.
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*/
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tl::Event updated_event;
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private:
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lay::LayoutView *mp_view;
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img::Object *mp_image;
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std::vector<LandmarkMarker *> m_markers;
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int m_selected;
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bool m_dragging;
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img::LandmarksDialog::mode_t m_mode;
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void clear ()
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{
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for (std::vector<LandmarkMarker *>::iterator m = m_markers.begin (); m != m_markers.end (); ++m) {
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delete *m;
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}
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m_markers.clear ();
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}
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void update_internal ()
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{
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clear ();
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int li = 0;
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for (std::vector<db::DPoint>::const_iterator l = mp_image->landmarks ().begin (); l != mp_image->landmarks ().end (); ++l, ++li) {
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if (li != m_selected) {
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LandmarkMarker *m = new LandmarkMarker (this, *l, false);
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m_markers.push_back (m);
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}
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}
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}
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void update ()
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{
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update_internal ();
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updated_event ();
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}
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};
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// -------------------------------------------------------------------------
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// LandmarksDialog implementation
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LandmarksDialog::LandmarksDialog (QWidget *parent, img::Object &img)
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: QDialog (parent), m_mode (None)
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{
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mp_original_image = &img;
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setupUi (this);
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mp_image = navigator->setup (lay::PluginRoot::instance (), &img);
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connect (new_pb, SIGNAL (clicked ()), this, SLOT (update_mode ()));
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connect (delete_pb, SIGNAL (clicked ()), this, SLOT (update_mode ()));
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connect (move_pb, SIGNAL (clicked ()), this, SLOT (update_mode ()));
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mp_service = new LandmarkEditorService (navigator->view (), mp_image);
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navigator->activate_service (mp_service);
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mp_service->updated_event.add (this, &LandmarksDialog::landmarks_updated);
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new_pb->setChecked (true);
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update_mode ();
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landmarks_updated ();
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}
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LandmarksDialog::~LandmarksDialog ()
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{
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if (mp_service) {
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delete mp_service;
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mp_service = 0;
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}
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}
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void
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LandmarksDialog::update_mode ()
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{
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mode_t new_mode = None;
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if (new_pb->isChecked ()) {
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new_mode = Add;
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} else if (move_pb->isChecked ()) {
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new_mode = Move;
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} else if (delete_pb->isChecked ()) {
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new_mode = Delete;
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}
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QList<QListWidgetItem *> sel = landmark_list->selectedItems ();
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if (new_mode == Delete && sel.size () > 0) {
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std::set <int> selected;
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for (QList<QListWidgetItem *>::const_iterator s = sel.begin (); s != sel.end (); ++s) {
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selected.insert (landmark_list->row (*s));
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}
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img::Object::landmarks_type lm = mp_image->landmarks ();
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std::vector <db::DPoint>::iterator w = lm.begin ();
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int i = 0;
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for (std::vector <db::DPoint>::const_iterator r = lm.begin (); r != lm.end (); ++r, ++i) {
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if (selected.find (i) == selected.end ()) {
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*w++ = *r;
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}
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}
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lm.erase (w, lm.end ());
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mp_image->set_landmarks (lm);
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mp_service->update_landmarks ();
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landmarks_updated ();
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}
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mp_service->set_mode (new_mode);
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}
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void
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LandmarksDialog::accept ()
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{
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mp_original_image->set_landmarks (mp_image->landmarks ());
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QDialog::accept ();
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}
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void
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LandmarksDialog::landmarks_updated ()
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{
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landmark_list->clear ();
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for (std::vector<db::DPoint>::const_iterator l = mp_image->landmarks ().begin (); l != mp_image->landmarks ().end (); ++l) {
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landmark_list->addItem (tl::to_qstring (tl::sprintf ("%.0f, %.0f", l->x (), l->y ())));
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}
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landmark_list->selectionModel ()->clear ();
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if (mp_service->selected_index () >= 0) {
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QListWidgetItem *item = landmark_list->item (mp_service->selected_index ());
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if (item) {
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landmark_list->setCurrentItem (item);
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item->setSelected (true);
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}
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}
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}
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}
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