beveler.h

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// $Id: beveler.h 751 2006-03-31 15:43:49Z alex $
// the bitmap beveler (for inner bevels)
// DMc 2/6/98
/* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
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----------------------------------

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

#ifndef _BEVELER_H
#define _BEVELER_H

#include "pathtrap.h"
//#include "bevtrap.h"
//#include "wincoord.h"
//#include "doccoord.h"
//#include "bitmap.h"

#define BEVEL_FLATNESS  200

// macro to turn the system time into an INT32 value which can be used for timings
#define LONGSYSTEMTIME(X) { SYSTEMTIME s; \
                            GetSystemTime(&s); \
                            X = s.wMilliseconds + s.wSecond * 1000 + \
                                s.wMinute * 60000 + \
                                s.wHour   * 60000 * 60 ; }

#define WRITETIME(X, Y) { FILE * kxp = fopen("timings.txt", "a"); \
                       fprintf(kxp, X); fprintf(kxp, " %d\n", Y); \
                          fclose(kxp); }

class NodeBevel;
struct BEVEL_FACE ;

#define BEVELBITMAPSCALE 4
#define BEVELBITMAPSHIFT 2

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

>   class CBeveler : public SimpleCCObject

    Author:     David_McClarnon (Xara Group Ltd) <camelotdev@xara.com>
    Created:    2/10/98

    Purpose:    Does the bevelling

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

class CBeveler : public CCObject
{
    // Give my name out in memory dumps
    CC_DECLARE_DYNAMIC(CBeveler);

public:
    CBeveler();
    CBeveler(Path * pPath);

    ~CBeveler();

    void SetBevelType(INT32 t) { m_BevelType = t; }

    BOOL SetUpBeveler(MILLIPOINT Indent, JointType jtype, NormCoord * lightVec, BOOL bOuter,
                      INT32 Contrast, RenderRegion * pRegion, MILLIPOINT Flatness);
/*
    BOOL SetUpBeveler(MILLIPOINT Indent, JointType jtype, NormCoord * lightVec, BOOL bOuter,
                    INT32 width, INT32 height, INT32 Contrast, RenderRegion * pRegion,
                    MILLIPOINT Flatness, double dpi, BOOL bFlat = TRUE);
*/
    BOOL SetBevelerSize(INT32 Width, INT32 Height);

    DocRect GetSelectionRect() { return m_SelectionBounds; }
    void SetBevelAngle(double LightAngle) { m_LightAngle = LightAngle; }
    void SetBevelTilt(double Tilt)  {    m_Tilt = Tilt; }

    // gets the flatness to use depending on the document
    static INT32 GetBevelFlatness();

    // render the bevel to a given bitmap
    BOOL RenderToBitmap(KernelBitmap * pBitmap, BOOL bResample = FALSE, DocCoord* pSubPixOffSet = NULL);

private:
    MILLIPOINT m_Indent;
    INT32 m_Contrast;
    INT32 m_BevelType;
    double m_LightAngle;
    double m_Tilt;

    // pointer to the path to be used in bevelling
    Path * m_pBevelPath;
    POINT* m_pBevelPoints ;
    BYTE * m_pBevelTypes ;
    UINT32  m_nBevelLength ;
    BYTE m_Transparency;

    // the selection's bounding rect in document coordinates
    DocRect m_SelectionBounds;
    DocRect m_BevelBounds;

    // sets up the above two scale factors
    void CalcSelectionBounds() ;
    void CalcInnerPath() ;
    void SetUpMapping();

    // transforms a win coord to a doc coord based on currently active spread and view
    void ToWinCoord(const DocCoord * dc, WinCoord * wc);

    // the width and height of the bitmap that we are to return
    INT32 m_Width;
    INT32 m_Height;

    KernelBitmap* m_pStrip32;
    KernelBitmap* m_pMaskBitmap;
    KernelBitmap* m_pNewMask;

    JointType   m_JointType;
    BOOL m_bOuter;

    INT32 SetDIBitmap( BITMAPINFOHEADER* pHeader, BYTE* pBits ) ;

    BEVEL_FACE* m_pFaceList;
    UINT32 m_NumFaces;

    // resamples the bitmap given into destination
    void ResampleBitmap(BYTE * p32BitDIB, UINT32 Width, UINT32 Height, BYTE * pDestBits,
                                BYTE * pMaskBitmap);

    BOOL EmboldenBitmap(KernelBitmap* pImgBitmap, KernelBitmap* pMaskBitmap, KernelBitmap* pNewMaskBitmap);

    double m_dBmpToWinX;
    double m_dBmpToWinY;

    // renders the points list, resampling
    BOOL RenderWithResampling(KernelBitmap * pBitmap, INT32 OffsetX, INT32 OffsetY, DocCoord* pSubPixOffSet = NULL);
    
    // copy bitmap fn
    void CopyBitmapIntoBitmap(const KernelBitmap * pSrcBitmap, KernelBitmap * pDestBitmap,
                        INT32 DestX, INT32 DestY);

    BOOL RenderInStripsToBitmap(KernelBitmap * pBitmap, DocCoord* pSubPixOffSet = NULL);
} ;


#endif

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