conformWindow.h

//
// Copyright 2016 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_CAMERA_UTIL_CONFORM_WINDOW_H
#define PXR_IMAGING_CAMERA_UTIL_CONFORM_WINDOW_H

#include "pxr/pxr.h"
#include "pxr/imaging/cameraUtil/api.h"

PXR_NAMESPACE_OPEN_SCOPE

class GfVec2d;
class GfVec4d;
class GfMatrix4d;
class GfRange2d;
class GfCamera;
class GfFrustum;

enum CameraUtilConformWindowPolicy {
    CameraUtilMatchVertically,
    CameraUtilMatchHorizontally,
    CameraUtilFit,
    CameraUtilCrop,
    CameraUtilDontConform
};

CAMERAUTIL_API
GfRange2d
CameraUtilConformedWindow(
    const GfRange2d &window,
    CameraUtilConformWindowPolicy policy, double targetAspect);
    
CAMERAUTIL_API
GfVec4d 
CameraUtilConformedWindow(
    const GfVec4d &window,
    CameraUtilConformWindowPolicy policy, double targetAspect);

CAMERAUTIL_API
GfVec2d
CameraUtilConformedWindow(
    const GfVec2d &window,
    CameraUtilConformWindowPolicy policy, double targetAspect);

CAMERAUTIL_API
GfMatrix4d
CameraUtilConformedWindow(
    const GfMatrix4d &projectionMatrix,
    CameraUtilConformWindowPolicy policy, double targetAspect);

CAMERAUTIL_API
void
CameraUtilConformWindow(
    GfCamera *camera,
    CameraUtilConformWindowPolicy policy, double targetAspect);

CAMERAUTIL_API
void
CameraUtilConformWindow(
    GfFrustum *frustum,
    CameraUtilConformWindowPolicy policy, double targetAspect);


PXR_NAMESPACE_CLOSE_SCOPE

#endif