FnGLScaleUniformHandle.h

// Copyright (c) 2017 The Foundry Visionmongers Ltd. All Rights Reserved.

#ifndef GLSCALEUNIFORMHANDLE_H
#define GLSCALEUNIFORMHANDLE_H

#include <stdint.h>

#include "FnGLTransformManipulator.h"

#include <FnViewer/plugin/FnManipulatorHandle.h>
#include <FnViewer/plugin/FnMathTypes.h>
#include <FnViewer/utils/FnDrawable.h>

using namespace Foundry::Katana::ViewerAPI;
using namespace Foundry::Katana::ViewerUtils;

class GLScaleUniformHandle : public GLTransformManipulatorHandle
{
public:
    GLScaleUniformHandle();

    virtual ~GLScaleUniformHandle();

    static Foundry::Katana::ViewerAPI::ManipulatorHandle* create()
    {
        return new GLScaleUniformHandle();
    }

    static void flush(){}

    void draw();

    void pickerDraw(int64_t pickerId);

    void setup();

    virtual FnKat::ViewerUtils::Orientation getOrientation() { return OBJECT; }

protected:
    virtual std::string getComponentName() { return "scale"; }

    bool getDraggingPlane(Vec3d& origin, Vec3d& normal);

    void drag(const Vec3d& initialPointOnPlane,
              const Vec3d& previousPointOnPlane,
              const Vec3d& currentPointOnPlane,
              const Vec2i& initialMousePosition,
              const Vec2i& previousMousePosition,
              const Vec2i& currentMousePosition,
              bool isFinal);

    void applyXformToLocation(const std::string& locationPath,
                              const IMATH_NAMESPACE::M44d& xform,
                              bool isFinal);

private:
    Drawable m_cubeMesh;
    IMATH_NAMESPACE::M44d m_scaleXform;
};

#endif  // GLScaleManipulator_H_