mirror of
https://github.com/yse/easy_profiler.git
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175 lines
6.7 KiB
C++
175 lines
6.7 KiB
C++
/************************************************************************
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* file name : easy_graphics_item.h
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* ----------------- :
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* creation time : 2016/09/15
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* author : Victor Zarubkin
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* email : v.s.zarubkin@gmail.com
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* ----------------- :
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* description : The file contains declaration of EasyGraphicsItem - an item
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* : used to draw profiler blocks on graphics scene.
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* ----------------- :
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* change log : * 2016/09/15 Victor Zarubkin: moved sources from blocks_graphics_view.h/.cpp
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* :
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* : *
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* ----------------- :
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* license : Lightweight profiler library for c++
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* : Copyright(C) 2016 Sergey Yagovtsev, Victor Zarubkin
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* :
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* :
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* : Licensed under the Apache License, Version 2.0 (the "License");
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* : you may not use this file except in compliance with the License.
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* : You may obtain a copy of the License at
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* :
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* : http://www.apache.org/licenses/LICENSE-2.0
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* :
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* : Unless required by applicable law or agreed to in writing, software
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* : distributed under the License is distributed on an "AS IS" BASIS,
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* : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* : See the License for the specific language governing permissions and
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* : limitations under the License.
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* :
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* :
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* : GNU General Public License Usage
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* : Alternatively, this file may be used under the terms of the GNU
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* : General Public License as published by the Free Software Foundation,
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* : either version 3 of the License, or (at your option) any later version.
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* :
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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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* :
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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, see <http://www.gnu.org/licenses/>.
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************************************************************************/
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#ifndef EASY__GRAPHICS_ITEM__H_
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#define EASY__GRAPHICS_ITEM__H_
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#include <stdlib.h>
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#include <QGraphicsItem>
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#include <QRectF>
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#include <QString>
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#include "easy/reader.h"
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#include "common_types.h"
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//////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////
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class EasyGraphicsView;
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class EasyGraphicsItem : public QGraphicsItem
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{
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typedef ::profiler_gui::EasyItems Children;
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typedef ::std::vector<unsigned int> DrawIndexes;
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typedef ::std::vector<Children> Sublevels;
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DrawIndexes m_levelsIndexes; ///< Indexes of first item on each level from which we must start painting
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Sublevels m_levels; ///< Arrays of items for each level
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QRectF m_boundingRect; ///< boundingRect (see QGraphicsItem)
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QString m_threadName; ///<
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const ::profiler::BlocksTreeRoot* m_pRoot; ///< Pointer to the root profiler block (thread block). Used by ProfTreeWidget to restore hierarchy.
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uint8_t m_index; ///< This item's index in the list of items of EasyGraphicsView
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public:
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explicit EasyGraphicsItem(uint8_t _index, const::profiler::BlocksTreeRoot& _root);
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virtual ~EasyGraphicsItem();
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// Public virtual methods
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QRectF boundingRect() const override;
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void paint(QPainter* _painter, const QStyleOptionGraphicsItem* _option, QWidget* _widget = nullptr) override;
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public:
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// Public non-virtual methods
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const ::profiler::BlocksTreeRoot* root() const;
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const QString& threadName() const;
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QRect getRect() const;
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void setBoundingRect(qreal x, qreal y, qreal w, qreal h);
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void setBoundingRect(const QRectF& _rect);
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::profiler::thread_id_t threadId() const;
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///< Returns number of levels
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uint8_t levels() const;
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float levelY(uint8_t _level) const;
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/** \brief Sets number of levels.
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\note Must be set before doing anything else.
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\param _levels Desired number of levels */
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void setLevels(uint8_t _levels);
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/** \brief Reserves memory for desired number of items on specified level.
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\param _level Index of the level
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\param _items Desired number of items on this level */
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void reserve(uint8_t _level, unsigned int _items);
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/**\brief Returns reference to the array of items of specified level.
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\param _level Index of the level */
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const Children& items(uint8_t _level) const;
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/**\brief Returns reference to the item with required index on specified level.
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\param _level Index of the level
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\param _index Index of required item */
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const ::profiler_gui::EasyBlockItem& getItem(uint8_t _level, unsigned int _index) const;
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/**\brief Returns reference to the item with required index on specified level.
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\param _level Index of the level
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\param _index Index of required item */
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::profiler_gui::EasyBlockItem& getItem(uint8_t _level, unsigned int _index);
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/** \brief Adds new item to required level.
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\param _level Index of the level
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\retval Index of the new created item */
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unsigned int addItem(uint8_t _level);
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/** \brief Finds top-level blocks which are intersects with required selection zone.
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\note Found blocks will be added into the array of selected blocks.
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\param _left Left bound of the selection zone
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\param _right Right bound of the selection zone
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\param _blocks Reference to the array of selected blocks */
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void getBlocks(qreal _left, qreal _right, ::profiler_gui::TreeBlocks& _blocks) const;
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const ::profiler_gui::EasyBlockItem* intersect(const QPointF& _pos) const;
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const ::profiler_gui::EasyBlock* intersectEvent(const QPointF& _pos) const;
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private:
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///< Returns pointer to the EasyGraphicsView widget.
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const EasyGraphicsView* view() const;
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public:
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// Public inline methods
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///< Returns this item's index in the list of graphics items of EasyGraphicsView
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inline uint8_t index() const
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{
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return m_index;
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}
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}; // END of class EasyGraphicsItem.
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//////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////
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#endif // EASY__GRAPHICS_ITEM__H_
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