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// Copyright Contributors to the OpenVDB Project
// SPDX-License-Identifier: MPL-2.0
#ifndef OPENVDB_VIEWER_CLIPBOX_HAS_BEEN_INCLUDED
#define OPENVDB_VIEWER_CLIPBOX_HAS_BEEN_INCLUDED
#include <openvdb/Types.h>
#if defined(__APPLE__) || defined(MACOSX)
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
#elif defined(_WIN32)
#include <GL/glew.h>
#else
#include <GL/gl.h>
#include <GL/glu.h>
#endif
namespace openvdb_viewer {
class ClipBox
{
public:
ClipBox();
void enableClipping() const;
void disableClipping() const;
void setBBox(const openvdb::BBoxd&);
void setStepSize(const openvdb::Vec3d& s) { mStepSize = s; }
void render();
void update(double steps);
void reset();
bool isActive() const { return (mXIsActive || mYIsActive ||mZIsActive); }
bool& activateXPlanes() { return mXIsActive; }
bool& activateYPlanes() { return mYIsActive; }
bool& activateZPlanes() { return mZIsActive; }
bool& shiftIsDown() { return mShiftIsDown; }
bool& ctrlIsDown() { return mCtrlIsDown; }
bool mouseButtonCallback(int button, int action);
bool mousePosCallback(int x, int y);
private:
void update() const;
openvdb::Vec3d mStepSize;
openvdb::BBoxd mBBox;
bool mXIsActive, mYIsActive, mZIsActive, mShiftIsDown, mCtrlIsDown;
GLdouble mFrontPlane[4], mBackPlane[4], mLeftPlane[4], mRightPlane[4],
mTopPlane[4], mBottomPlane[4];
}; // class ClipBox
} // namespace openvdb_viewer
#endif // OPENVDB_VIEWER_CLIPBOX_HAS_BEEN_INCLUDED
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