ResInsight/Fwk/VizFwk/LibViewing/cvfLocators.h

135 lines
4.0 KiB
C++

//##################################################################################################
//
// Custom Visualization Core library
// Copyright (C) 2011-2013 Ceetron AS
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// This library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
// for more details.
//
// GNU Lesser General Public License Usage
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#pragma once
#include "cvfPlane.h"
namespace cvf {
class Camera;
//==================================================================================================
//
//
//
//==================================================================================================
class Locator : public Object
{
public:
Locator() {};
virtual Vec3d position() const = 0;
virtual void start(int x, int y) = 0;
virtual bool update(int x, int y) = 0;
};
//==================================================================================================
//
// Locator for translating a point limited by a plane
//
//==================================================================================================
class LocatorTranslateOnPlane : public Locator
{
public:
LocatorTranslateOnPlane(Camera* camera);
~LocatorTranslateOnPlane();
void setPosition(const Vec3d& position, const Vec3d& planeNormal);
virtual Vec3d position() const;
virtual void start(int x, int y);
virtual bool update(int x, int y);
public:
ref<Camera> m_camera;
Plane m_plane; // Default plane is XY plane
Vec3d m_pos;
Vec3d m_lastPos;
};
//==================================================================================================
//
//
//
//==================================================================================================
class LocatorPanWalkRotate : public Locator
{
public:
enum Operation
{
PAN,
WALK
//ROTATE // TODO
};
public:
LocatorPanWalkRotate(Camera* camera);
~LocatorPanWalkRotate();
void setOperation(Operation op);
void setPosition(const Vec3d& position);
virtual Vec3d position() const;
virtual void start(int x, int y);
virtual bool update(int x, int y);
private:
void updatePan(double tx, double ty);
void updateWalk(double ty);
private:
ref<Camera> m_camera;
Operation m_operation; // Default operation is PAN
Vec3d m_pos;
int m_lastPosX;
int m_lastPosY;
};
// Ideas from name discussion regarding other locator classes
//class LocatorTranslateOnLine;
//class LocatorRotateRoundAxis;
}