brpress.h

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// $Id: brpress.h 1273 2006-06-08 19:41:59Z alex $
/* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
                    Copyright (C) 1993-2006 Xara Group Ltd.
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              respective authors. See AUTHORS file for details.

LICENSE TO USE AND MODIFY SOFTWARE
----------------------------------

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=================================XARAHEADEREND============================
 */

// Brush point info classes header
// This file contains the declarations of various small classes that are used to store data 
// relevant to the brush attribute

#ifndef INC_BRPRESS
#define INC_BRPRESS

class CCObject;
class CXaraFileRecord;

class BrushPointInfo;
typedef std::map< MILLIPOINT, BrushPointInfo > PointsMap;

class CPathPointInfo
{
public:
    CPathPointInfo() { m_Point.x = m_Point.y = 0; m_Tangent = 0; }
    
    CPathPointInfo &operator=(CPathPointInfo CP)
    {
        m_Point.x = CP.m_Point.x; 
        m_Point.y = CP.m_Point.y;                           
        m_Tangent = CP.m_Tangent;

        return *this;
    }

public: //members                 
    DocCoord    m_Point;
    double      m_Tangent;
};

/********************************************************************************************

>   class PressureItem : public CCObject

    Author:     Diccon_Yamanaka (Xara Group Ltd) <camelotdev@xara.com>
    Created:    7/1/97

    Purpose:    to store information about brush objects, including pressure
                
    Notes:      
********************************************************************************************/

class PressureItem : public CCObject
{
CC_DECLARE_MEMDUMP(PressureItem)

public:
    PressureItem() {m_Pressure = 0; m_Proportion = 0; m_Distance = 0;}
    PressureItem(const PressureItem&);
    PressureItem(UINT32 Pressure, double Proportion, MILLIPOINT Distance);

    PressureItem operator=(const PressureItem& Other);

    void WorkOutProportion(MILLIPOINT PathLength);
    BOOL WriteNative(CXaraFileRecord* pRecord);

public: //data
    UINT32 m_Pressure;
    double m_Proportion;
    MILLIPOINT m_Distance;
};


/********************************************************************************************

>   class BrushPointInfo : public CPathPointInfo

    Author:     Diccon_Yamanaka (Xara Group Ltd) <camelotdev@xara.com>
    Created:    7/1/97

    Purpose:    to store information about brush objects, including pressure
                
    Notes:      This class inherits coordinate and tangent data from CPathPointInfo
                This is a pretty fast and loose implementation but so it the parent and i
                didn't write that.

********************************************************************************************/

class BrushPointInfo : public CPathPointInfo
{
public:
    BrushPointInfo();
    BrushPointInfo(DocCoord Point, double Tangent, UINT32 Pressure);

    BrushPointInfo& operator=(BrushPointInfo &Other);

public:
    // data
    UINT32 m_Pressure;
};

/********************************************************************************************

>   class TimeStampBrushPoint : public BrushPointInfo

    Author:     Diccon_Yamanaka (Xara Group Ltd) <camelotdev@xara.com>
    Created:    7/1/97

    Purpose:    to store information about brush objects generated by the timestamping method
                
    Notes:      This class inherits coordinate and tangent data from CPathPointInfo
                This is a pretty fast and loose implementation but so it the parent and i
                didn't write that.

********************************************************************************************/


class TimeStampBrushPoint : public BrushPointInfo
{
public:
    TimeStampBrushPoint();
    TimeStampBrushPoint(CPathPointInfo PointInfo);
    TimeStampBrushPoint(DocCoord Point, double Tangent, MILLIPOINT Distance); 
    TimeStampBrushPoint(CPathPointInfo PointInfo, MILLIPOINT Distance);
    void WorkOutProportion(MILLIPOINT PathLength);

    static INT32  ComparePointInfo(const void* Point1, const void* Point2);

    BOOL WriteNative(CXaraFileRecord* pRecord);

public: //members
    TimeStampBrushPoint operator=(TimeStampBrushPoint OtherPoint);
    MILLIPOINT m_Distance; // the distance along the path
    double     m_Proportion; // the proportional distance along the path
};


typedef std::list< TimeStampBrushPoint >    TimeStampList;
typedef std::vector< PressureItem >         PressureArray;
typedef std::list< PressureItem >           PressureList;

#endif

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