259 lines
8.5 KiB
C++
259 lines
8.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed
|
|
* with this work for additional information regarding copyright
|
|
* ownership. The ASF licenses this file to you under the Apache
|
|
* License, Version 2.0 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
|
|
*/
|
|
|
|
#ifndef _B3D_B3DTRANS_HXX
|
|
#define _B3D_B3DTRANS_HXX
|
|
|
|
#define ZBUFFER_DEPTH_RANGE ((double)(256L * 256L * 256L))
|
|
|
|
#include <basegfx/matrix/b3dhommatrix.hxx>
|
|
#include <basegfx/range/b3drange.hxx>
|
|
#include <tools/gen.hxx>
|
|
#include <basegfx/matrix/b2dhommatrix.hxx>
|
|
#include <basegfx/point/b2dpoint.hxx>
|
|
#include <tools/toolsdllapi.h>
|
|
|
|
/// Supported methods for setting the aspect ratio
|
|
enum Base3DRatio
|
|
{
|
|
Base3DRatioGrow = 1,
|
|
Base3DRatioShrink,
|
|
Base3DRatioMiddle
|
|
};
|
|
|
|
/// Supported projection types
|
|
enum Base3DProjectionType
|
|
{
|
|
Base3DProjectionTypeParallel = 1,
|
|
Base3DProjectionTypePerspective
|
|
};
|
|
|
|
/// Transformation sets for 3D output
|
|
class TOOLS_DLLPUBLIC B3dTransformationSet
|
|
{
|
|
private:
|
|
// Object Matrix Object -> World
|
|
basegfx::B3DHomMatrix maObjectTrans;
|
|
basegfx::B3DHomMatrix maInvObjectTrans;
|
|
|
|
// Orientation Matrix
|
|
basegfx::B3DHomMatrix maOrientation;
|
|
basegfx::B3DHomMatrix maInvOrientation;
|
|
|
|
// Projection Matrix
|
|
basegfx::B3DHomMatrix maProjection;
|
|
basegfx::B3DHomMatrix maInvProjection;
|
|
|
|
// Texture Matrices
|
|
basegfx::B2DHomMatrix maTexture;
|
|
|
|
// Special transformation set for converting Object -> Device
|
|
basegfx::B3DHomMatrix maObjectToDevice;
|
|
|
|
// Transposed and inversed matrix for vector transformations
|
|
basegfx::B3DHomMatrix maInvTransObjectToEye;
|
|
|
|
// Transformation for World->View
|
|
basegfx::B3DHomMatrix maMatFromWorldToView;
|
|
basegfx::B3DHomMatrix maInvMatFromWorldToView;
|
|
|
|
// Parameters for ViewportTransformation
|
|
basegfx::B3DVector maScale;
|
|
basegfx::B3DVector maTranslate;
|
|
|
|
// ViewPlane DeviceRectangle (user-defined)
|
|
double mfLeftBound;
|
|
double mfRightBound;
|
|
double mfBottomBound;
|
|
double mfTopBound;
|
|
|
|
// Near and far clipping planes
|
|
double mfNearBound;
|
|
double mfFarBound;
|
|
|
|
// Aspect ratio of 3D transformation (Y / X)
|
|
// default: 1:1 -> 1.0
|
|
// Disable with value 0.0
|
|
double mfRatio;
|
|
|
|
// Viewport area in logical coordinates
|
|
Rectangle maViewportRectangle;
|
|
// Visible area within viewport
|
|
Rectangle maVisibleRectangle;
|
|
|
|
// Actual coordinates as set by CalcViewport
|
|
// of visible viewport area (logical coordinates)
|
|
Rectangle maSetBound;
|
|
|
|
// Method of keeping defined aspect ratio
|
|
// default: Base3DRatioGrow
|
|
Base3DRatio meRatio;
|
|
|
|
// Flags
|
|
bool mbPerspective : 1;
|
|
bool mbWorldToViewValid : 1;
|
|
bool mbInvTransObjectToEyeValid : 1;
|
|
bool mbObjectToDeviceValid : 1;
|
|
bool mbProjectionValid : 1;
|
|
|
|
public:
|
|
B3dTransformationSet();
|
|
virtual ~B3dTransformationSet();
|
|
|
|
void Reset();
|
|
|
|
// ObjectTrans
|
|
const basegfx::B3DHomMatrix& GetObjectTrans() { return maObjectTrans; }
|
|
const basegfx::B3DHomMatrix& GetInvObjectTrans() { return maInvObjectTrans; }
|
|
|
|
// Orientation
|
|
void SetOrientation(
|
|
basegfx::B3DPoint aVRP = basegfx::B3DPoint(0.0,0.0,1.0),
|
|
basegfx::B3DVector aVPN = basegfx::B3DVector(0.0,0.0,1.0),
|
|
basegfx::B3DVector aVUP = basegfx::B3DVector(0.0,1.0,0.0));
|
|
const basegfx::B3DHomMatrix& GetOrientation() { return maOrientation; }
|
|
const basegfx::B3DHomMatrix& GetInvOrientation() { return maInvOrientation; }
|
|
|
|
// Projection
|
|
void SetProjection(const basegfx::B3DHomMatrix& mProject);
|
|
const basegfx::B3DHomMatrix& GetProjection();
|
|
|
|
// Texture
|
|
const basegfx::B2DHomMatrix& GetTexture() { return maTexture; }
|
|
|
|
// aspect ratio accessors and the defined method of keeping defined aspect ratio
|
|
double GetRatio() { return mfRatio; }
|
|
void SetRatio(double fNew=1.0);
|
|
Base3DRatio GetRatioMode() { return meRatio; }
|
|
|
|
// Parameters of ViewportTransformation
|
|
void SetDeviceRectangle(double fL=-1.0, double fR=1.0,
|
|
double fB=-1.0, double fT=1.0,
|
|
bool bBroadCastChange=true);
|
|
double GetDeviceRectangleWidth() const { return mfRightBound - mfLeftBound; }
|
|
double GetDeviceRectangleHeight() const { return mfTopBound - mfBottomBound; }
|
|
double GetFrontClippingPlane() { return mfNearBound; }
|
|
double GetBackClippingPlane() { return mfFarBound; }
|
|
void SetPerspective(bool bNew);
|
|
bool GetPerspective() { return mbPerspective; }
|
|
void SetViewportRectangle(Rectangle& rRect, Rectangle& rVisible);
|
|
void SetViewportRectangle(Rectangle& rRect) { SetViewportRectangle(rRect, rRect); }
|
|
const Rectangle& GetViewportRectangle() { return maViewportRectangle; }
|
|
void CalcViewport();
|
|
|
|
// Direct accessors for miscellaneous transformations
|
|
const basegfx::B3DPoint WorldToEyeCoor(const basegfx::B3DPoint& rVec);
|
|
const basegfx::B3DPoint EyeToWorldCoor(const basegfx::B3DPoint& rVec);
|
|
|
|
static void Frustum(
|
|
basegfx::B3DHomMatrix& rTarget,
|
|
double fLeft = -1.0, double fRight = 1.0,
|
|
double fBottom = -1.0, double fTop = 1.0,
|
|
double fNear = 0.001, double fFar = 1.0);
|
|
static void Ortho(
|
|
basegfx::B3DHomMatrix& rTarget,
|
|
double fLeft = -1.0, double fRight = 1.0,
|
|
double fBottom = -1.0, double fTop = 1.0,
|
|
double fNear = 0.0, double fFar = 1.0);
|
|
static void Orientation(
|
|
basegfx::B3DHomMatrix& rTarget,
|
|
basegfx::B3DPoint aVRP = basegfx::B3DPoint(0.0,0.0,1.0),
|
|
basegfx::B3DVector aVPN = basegfx::B3DVector(0.0,0.0,1.0),
|
|
basegfx::B3DVector aVUP = basegfx::B3DVector(0.0,1.0,0.0));
|
|
|
|
protected:
|
|
void PostSetObjectTrans();
|
|
void PostSetOrientation();
|
|
void PostSetProjection();
|
|
void PostSetViewport();
|
|
|
|
virtual void DeviceRectangleChange();
|
|
};
|
|
|
|
/** Viewport for B3D
|
|
|
|
Uses a simplified model, in which a point is described using a View
|
|
Reference Point (VRP).
|
|
*/
|
|
class TOOLS_DLLPUBLIC B3dViewport : public B3dTransformationSet
|
|
{
|
|
private:
|
|
basegfx::B3DPoint aVRP; // View Reference Point
|
|
basegfx::B3DVector aVPN; // View Plane Normal
|
|
basegfx::B3DVector aVUV; // View Up Vector
|
|
|
|
public:
|
|
B3dViewport();
|
|
virtual ~B3dViewport();
|
|
|
|
void SetVUV(const basegfx::B3DVector& rNewVUV);
|
|
void SetViewportValues(
|
|
const basegfx::B3DPoint& rNewVRP,
|
|
const basegfx::B3DVector& rNewVPN,
|
|
const basegfx::B3DVector& rNewVUV);
|
|
|
|
const basegfx::B3DPoint& GetVRP() const { return aVRP; }
|
|
const basegfx::B3DVector& GetVPN() const { return aVPN; }
|
|
const basegfx::B3DVector& GetVUV() const { return aVUV; }
|
|
|
|
protected:
|
|
void CalcOrientation();
|
|
};
|
|
|
|
// B3D camera
|
|
|
|
class TOOLS_DLLPUBLIC B3dCamera : public B3dViewport
|
|
{
|
|
private:
|
|
basegfx::B3DPoint aPosition;
|
|
basegfx::B3DPoint aCorrectedPosition;
|
|
basegfx::B3DVector aLookAt;
|
|
double fFocalLength;
|
|
double fBankAngle;
|
|
|
|
unsigned bUseFocalLength : 1;
|
|
|
|
public:
|
|
B3dCamera(
|
|
const basegfx::B3DPoint& rPos = basegfx::B3DPoint(0.0, 0.0, 1.0),
|
|
const basegfx::B3DVector& rLkAt = basegfx::B3DVector(0.0, 0.0, 0.0),
|
|
double fFocLen = 35.0, double fBnkAng = 0.0,
|
|
bool bUseFocLen = false);
|
|
virtual ~B3dCamera();
|
|
|
|
const basegfx::B3DPoint& GetPosition() const { return aPosition; }
|
|
const basegfx::B3DVector& GetLookAt() const { return aLookAt; }
|
|
|
|
// Focal length in mm
|
|
double GetFocalLength() const { return fFocalLength; }
|
|
|
|
double GetBankAngle() const { return fBankAngle; }
|
|
|
|
bool GetUseFocalLength() const { return (bool)bUseFocalLength; }
|
|
|
|
protected:
|
|
void CalcNewViewportValues();
|
|
bool CalcFocalLength();
|
|
|
|
virtual void DeviceRectangleChange();
|
|
};
|
|
|
|
#endif
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|