vectrndr.h

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00001 // $Id: vectrndr.h 751 2006-03-31 15:43:49Z alex $
00002 /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
00003 ================================XARAHEADERSTART===========================
00004  
00005                Xara LX, a vector drawing and manipulation program.
00006                     Copyright (C) 1993-2006 Xara Group Ltd.
00007        Copyright on certain contributions may be held in joint with their
00008               respective authors. See AUTHORS file for details.
00009 
00010 LICENSE TO USE AND MODIFY SOFTWARE
00011 ----------------------------------
00012 
00013 This file is part of Xara LX.
00014 
00015 Xara LX is free software; you can redistribute it and/or modify it
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00029 
00030 ADDITIONAL RIGHTS
00031 -----------------
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00036 
00037 The additional rights are to use, modify, and distribute the software
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00046 Nothing in this section restricts any of the rights you have under
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00049 
00050 SCOPE OF LICENSE
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00052 
00053 This license applies to this program (XaraLX) and its constituent source
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00057 
00058 This license does not apply to files in the wxXtra directory, which
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00062 This license does not apply to the binary libraries (if any) within
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00066 
00067 ARRANGEMENTS FOR CONTRIBUTION OF MODIFICATIONS
00068 ----------------------------------------------
00069 
00070 Subject to the terms of the GNU Public License (see above), you are
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00084 
00085 MARKS
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00093       Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK.
00094                         http://www.xara.com/
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00096 =================================XARAHEADEREND============================
00097  */
00098 #ifndef _INC_VECTOR_RENDER_REGION_H
00099 #define _INC_VECTOR_RENDER_REGION_H
00100 
00101 /********************************************************************************************
00102 
00103 >   class VectorFileRenderRegion : public RenderRegion
00104 
00105     Author:     Graeme_Sutherland (Xara Group Ltd) <camelotdev@xara.com>
00106     Created:    26/10/00
00107     Purpose:    Encapsulates the functions shared by the CMX, EPS, and Flash render regions.
00108                 This class is never itself instantiated.
00109 
00110 ********************************************************************************************/
00111 
00112 class VectorFileRenderRegion : public RenderRegion
00113 {
00114     CC_DECLARE_DYNAMIC ( VectorFileRenderRegion )
00115 
00116 public:
00117 
00118     // Constructors.
00119     VectorFileRenderRegion( void );
00120     VectorFileRenderRegion( DocRect ClipRect,
00121                              Matrix     ConvertMatrix,
00122                              FIXED16    ViewScale );
00123 
00124     // Destructor.
00125     virtual ~VectorFileRenderRegion( void );
00126 
00127     // Initialisation code.
00128     BOOL Init( void );
00129 
00130     // Start and stop rendering.
00131     virtual BOOL StartRender( void );
00132     virtual BOOL StopRender( void );        
00133 
00134     // These functions are never called, but are included to over-ride pure virtuals in the
00135     // base class.
00136     void DrawRect( DocRect *RectToRender );
00137     void DrawDragRect( DocRect *RectToRender );
00138     void DrawLine( const DocCoord   &StartPoint,
00139                     const DocCoord  &EndPoint );
00140     void DrawPixel( const DocCoord &Point );
00141     void DrawBlob( DocCoord p,
00142                     BlobType    type );
00143     void DrawCross( const DocCoord  &Point,
00144                      const UINT32       Size );
00145     void DrawBitmap( const DocCoord &Point,
00146                       KernelBitmap*     pBitmap );
00147     void DrawBitmap( const DocCoord &Point,
00148                       UINT32                BitmapID,
00149                       UINT32                ToolID = NULL );
00150     void DrawBitmapBlob( const DocCoord &Point,
00151                           KernelBitmap*     BlobShape );
00152     void DrawBitmapBlob( const DocCoord &Point, ResourceID resID );
00153 
00154 protected:
00155 
00156     // Calculate the size of a pixel.
00157     MILLIPOINT CalcPixelWidth();
00158     MILLIPOINT CalcScaledPixelWidth();
00159 
00160     // Initialisation functions.
00161     virtual void InitClipping();
00162     virtual void InitAttributes();
00163     virtual void DeInitAttributes();
00164     virtual void SetOSDrawingMode();
00165     virtual void SetQualityLevel();
00166 
00167     // Blending function for rendering shadows.
00168     DocColour AlphaBlend( DocColour &Foreground,
00169                            DocColour &Background,
00170                            UINT32 Transp );
00171 
00172     // Member variables.
00173     AttributeEntry  *LastOutputAttrs;
00174 };
00175 
00176 #endif

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