123 lines
4.3 KiB
C++
123 lines
4.3 KiB
C++
/** -*- mode: c++ ; c-basic-offset: 2 -*-
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*
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* @file KeypointList.h
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*
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* Copyright 2017 Sebastien Fourey
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*
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* This file is part of G'MIC-Qt, a generic plug-in for raster graphics
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* editors, offering hundreds of filters thanks to the underlying G'MIC
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* image processing framework.
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*
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* gmic_qt 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 3 of the License, or
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* (at your option) any later version.
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*
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* gmic_qt 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 gmic_qt. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef GMIC_QT_KEYPOINTLIST_H
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#define GMIC_QT_KEYPOINTLIST_H
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#include <QColor>
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#include <QDebug>
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#include <QPointF>
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#include <QSize>
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#include <cmath>
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#include <deque>
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#include "Common.h"
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namespace GmicQt
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{
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class KeypointList {
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public:
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struct Keypoint {
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float x;
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float y;
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QColor color; /* A negative alpha means "Keep opacity while moved" */
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bool removable;
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bool burst;
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float radius; /* A negative value is a percentage of the preview diagonal */
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bool keepOpacityWhenSelected;
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Keypoint(float x, float y, QColor color, bool removable, bool burst, float radius, bool keepOpacityWhenSelected);
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Keypoint(QPointF point, QColor color, bool removable, bool burst, float radius, bool keepOpacityWhenSelected);
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Keypoint(QColor color, bool removable, bool burst, float radius, bool keepOpacityWhenSelected);
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bool isNaN() const;
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Keypoint & setNaN();
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inline void setPosition(float x, float y);
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inline void setPosition(const QPointF & p);
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static const float DefaultRadius;
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inline int actualRadiusFromPreviewSize(const QSize & size) const;
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};
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KeypointList();
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void add(const Keypoint & keypoint);
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bool isEmpty();
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void clear();
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QPointF position(int n) const;
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QColor color(int n) const;
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bool isRemovable(int n) const;
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typedef std::deque<Keypoint>::iterator iterator;
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typedef std::deque<Keypoint>::const_iterator const_iterator;
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typedef std::deque<Keypoint>::reverse_iterator reverse_iterator;
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typedef std::deque<Keypoint>::const_reverse_iterator const_reverse_iterator;
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typedef std::deque<Keypoint>::size_type size_type;
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typedef std::deque<Keypoint>::reference reference;
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typedef std::deque<Keypoint>::const_reference const_reference;
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size_type size() const { return _keypoints.size(); }
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reference operator[](size_type index) { return _keypoints[index]; }
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const_reference operator[](size_type index) const { return _keypoints[index]; }
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void pop_front() { _keypoints.pop_front(); }
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const Keypoint & front() { return _keypoints.front(); }
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const Keypoint & front() const { return _keypoints.front(); }
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iterator begin() { return _keypoints.begin(); }
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iterator end() { return _keypoints.end(); }
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const_iterator cbegin() const { return _keypoints.cbegin(); }
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const_iterator cend() const { return _keypoints.cend(); }
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reverse_iterator rbegin() { return _keypoints.rbegin(); }
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reverse_iterator rend() { return _keypoints.rend(); }
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const_reverse_iterator rbegin() const { return _keypoints.crbegin(); }
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const_reverse_iterator rend() const { return _keypoints.crend(); }
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const_reverse_iterator crbegin() const { return _keypoints.crbegin(); }
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const_reverse_iterator crend() const { return _keypoints.crend(); }
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private:
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std::deque<Keypoint> _keypoints;
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};
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void KeypointList::Keypoint::setPosition(float x, float y)
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{
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KeypointList::Keypoint::x = x;
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KeypointList::Keypoint::y = y;
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}
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void KeypointList::Keypoint::setPosition(const QPointF & point)
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{
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KeypointList::Keypoint::x = (float)point.x();
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KeypointList::Keypoint::y = (float)point.y();
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}
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int KeypointList::Keypoint::actualRadiusFromPreviewSize(const QSize & size) const
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{
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if (radius >= 0) {
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return static_cast<int>(radius);
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} else {
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return std::max(2, static_cast<int>(std::round(-static_cast<double>(radius) * (std::sqrt(size.width() * size.width() + size.height() * size.height())) / 100.0)));
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}
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}
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} // namespace GmicQt
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#endif // GMIC_QT_KEYPOINTLIST_H
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