mirror of https://github.com/KLayout/klayout.git
133 lines
3.2 KiB
C++
133 lines
3.2 KiB
C++
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/*
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KLayout Layout Viewer
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Copyright (C) 2006-2016 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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#ifndef HDR_layRedrawThread
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#define HDR_layRedrawThread
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#include <vector>
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#include <set>
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#include <memory>
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#include <QThread>
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#include <QMutex>
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#include <QWaitCondition>
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#include "dbBox.h"
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#include "dbTrans.h"
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#include "dbLayout.h"
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#include "layRenderer.h"
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#include "layLayoutView.h"
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#include "layRedrawThreadCanvas.h"
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#include "layRedrawLayerInfo.h"
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#include "layCanvasPlane.h"
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#include "tlTimer.h"
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#include "tlThreadedWorkers.h"
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namespace lay {
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class Viewport;
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// update (snapshot) interval in ms
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const int update_interval = 500;
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class RedrawThread
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: public tl::Object,
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public tl::JobBase
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{
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public:
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RedrawThread (lay::RedrawThreadCanvas *canvas, lay::LayoutView *view);
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virtual ~RedrawThread ();
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void commit (const std::vector <lay::RedrawLayerInfo> &layers, const lay::Viewport &vp, double resolution);
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void start (int workers, const std::vector <lay::RedrawLayerInfo> &layers, const lay::Viewport &vp, double resolution, bool force_redraw);
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void restart (const std::vector<int> &restart);
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void wakeup_checked ();
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void wakeup ();
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/**
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* @brief change the visibility of entries in the redrawing queue
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*
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* HINT: this should be done only when the redraw thread is stopped.
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*/
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void change_visibility (const std::vector<bool> &visibility);
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const RedrawLayerInfo &get_layer_info (int id) const
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{
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return m_layers [id];
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}
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int num_layers () const
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{
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return int (m_layers.size ());
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}
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void task_finished (int id);
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protected:
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tl::Worker *create_worker ();
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void setup_worker (tl::Worker *worker);
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void finished ();
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void stopped ();
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private:
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void start ();
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void do_start (bool clear, const db::Vector *shift_vector, const std::vector <lay::RedrawLayerInfo> *layers, const std::vector<int> &restart, int workers);
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void done ();
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void layout_changed ();
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void layout_changed_with_int (int)
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{
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layout_changed ();
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}
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bool m_initial_update;
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std::vector <RedrawLayerInfo> m_layers;
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int m_nlayers;
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bool m_boxes_already_drawn;
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bool m_custom_already_drawn;
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db::DCplxTrans m_vp_trans;
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int m_width, m_height;
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double m_resolution;
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std::vector<db::Box> m_redraw_regions;
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db::DBox m_stored_region, m_valid_region;
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db::DPoint m_last_center;
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db::DFTrans m_stored_fp;
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lay::RedrawThreadCanvas *mp_canvas;
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lay::LayoutView *mp_view;
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bool m_start_recursion_sentinel;
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tl::Clock m_clock;
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QMutex m_initial_wait_lock;
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QWaitCondition m_initial_wait_cond;
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std::auto_ptr<tl::SelfTimer> m_main_timer;
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};
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}
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#endif
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