BinaryDevice.h

#ifndef __BinaryDevice__
#define __BinaryDevice__
 
/*
  GUIDO Library
  Copyright (C) 2011 Grame
 
  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/.
 
  Grame Research Laboratory, 11, cours de Verdun Gensoul 69002 Lyon - France
  research@grame.fr
 
*/
 
#include "GUIDOExport.h"
 
#ifdef WIN32
# pragma warning (disable : 4275 4251)
#endif
 
#include "VGDevice.h"
#include <ostream>
#include <fstream>
#include <string>
 
class BinarySystem;
// --------------------------------------------------------------
//      BinaryDevice class
// --------------------------------------------------------------
class_export BinaryDevice : public VGDevice
{
    BinarySystem*       fSystem;
    std::ostream&   fStream;
    int fWidth;
    int fHeight;
    const VGFont * fMusicFont;
    const VGFont * fTextFont;
    VRasterOpMode fOpMode;
    float fXScale;
    float fYScale;
    float fXOrigin;
    float fYOrigin;
    unsigned int fFontAlign;
    float fDPI;
    VGColor fFontColor;
    VGColor fFontBackgroundColor;
    
    void        writeColor (const VGColor& color) const;
    void        writeString (const char *str) const;
    void        writeFormattedImage (VGDevice* pSrcDC) const;
    void        writeRasterOpModeToString(VRasterOpMode mode) const;
    void        writeFont(const VGFont *font) const;
    public:
                 BinaryDevice(std::ostream& outstream, BinarySystem* system);
        virtual ~BinaryDevice();
 
        virtual bool            IsValid() const     { return true; }
 
 
        // - Drawing services ------------------------------------------------
        // 0
        virtual bool    BeginDraw();
        // 1
        virtual void    EndDraw();
        // 2
        virtual void    InvalidateRect( float left, float top, float right, float bottom );
 
        // - Standard graphic primitives -------------------------
        // 3
        virtual void    MoveTo( float x, float y );
        // 4
        virtual void    LineTo( float x, float y );
        // 5
        virtual void    Line( float x1, float y1, float x2, float y2 );
        // 6
        virtual void    Frame( float left, float top, float right, float bottom );
        // 7
        virtual void    Arc( float left,   float top, float right,  float bottom,
                                     float startX, float startY, float endX,   float endY );
 
        // - Filled surfaces --------------------------------------
        // 8
        virtual void    Triangle( float x1, float y1, float x2, float y2, float x3, float y3 );
        // 9
        virtual void    Polygon( const float * xCoords, const float * yCoords, int count );
        // 10
        virtual void    Rectangle( float left,  float top, float right, float bottom );
 
        // - Font services ---------------------------------------------------
        // 11
        virtual void            SetMusicFont( const VGFont * font );
        // 12
        virtual const VGFont *  GetMusicFont() const;
        // 13
        virtual void            SetTextFont( const VGFont * font );
        // 14
        virtual const VGFont *  GetTextFont() const;
 
        // - Pen & brush services --------------------------------------------
        // 15
        virtual void            SelectPen( const VGColor & inColor, float witdh );
        // 16
        virtual void            SelectFillColor( const VGColor & c );
        // 17
        virtual void            PushPen( const VGColor & inColor, float inWidth );
        // 18
        virtual void            PopPen();
        // 19
        virtual void            PushFillColor( const VGColor & inColor );
        // 20
        virtual void            PopFillColor();
        // 21
        virtual void            SetRasterOpMode( VRasterOpMode ROpMode);
        // 22
        virtual VRasterOpMode   GetRasterOpMode() const;
 
 
        // - Bitmap services (bit-block copy methods) --------------------------
        // 23
        virtual bool            CopyPixels( VGDevice* pSrcDC, float alpha = -1.0);
        // 24
        virtual bool            CopyPixels( int xDest, int yDest, VGDevice* pSrcDC, int xSrc, int ySrc,
                                            int nSrcWidth, int nSrcHeight, float alpha = -1.0);
        // 25
        virtual bool            CopyPixels( int xDest, int yDest, int dstWidth, int dstHeight,
                                            VGDevice* pSrcDC, float alpha = -1.0);
        // 26
        virtual bool            CopyPixels( int xDest, int yDest, int dstWidth, int dstHeight,
                                            VGDevice* pSrcDC, int xSrc, int ySrc,
                                            int nSrcWidth, int nSrcHeight, float alpha = -1.0);
 
        // - Coordinate services ------------------------------------------------
        // 27
        virtual void            SetScale( float x, float y );
        // 28
        virtual void            SetOrigin( float x, float y );
        //29 
        virtual void            OffsetOrigin( float x, float y );
        // 30
        virtual void            LogicalToDevice( float * x, float * y ) const;
        // 31
        virtual void            DeviceToLogical( float * x, float * y ) const;
 
        // 32
        virtual float           GetXScale() const;
        // 33
        virtual float           GetYScale() const;
        // 34
        virtual float           GetXOrigin() const;
        // 35
        virtual float           GetYOrigin() const;
 
        // 36
        virtual void            NotifySize( int inWidth, int inHeight );
        // 37
        virtual int             GetWidth() const;
        // 38
        virtual int             GetHeight() const;
 
 
        // - Text and music symbols services -------------------------------------
        // 39
        virtual void            DrawMusicSymbol(float x, float y, unsigned int inSymbolID );
        // 40
        virtual void            DrawString( float x, float y, const char * s, int inCharCount );
 
        // 41
        virtual void            SetFontColor( const VGColor & inColor );
        // 42
        virtual VGColor         GetFontColor() const;
        // 43
        virtual void            SetFontBackgroundColor( const VGColor & inColor );
        // 44
        virtual VGColor         GetFontBackgroundColor() const;
        // 45
        virtual void            SetFontAlign( unsigned int inAlign );
        // 46
        virtual unsigned int    GetFontAlign() const;
 
        // - Printer informations services ----------------------------------------
        // 47
        virtual void            SetDPITag( float inDPI );
        // 48
        virtual float           GetDPITag() const;
 
        // ----------------------- never needed in abstract device ------------------
        virtual void*           GetBitMapPixels()       { return 0; }
        virtual void            ReleaseBitMapPixels()   {}
        virtual const char*     GetImageData(const char* & outDataPtr, int& outLength)  { return 0; };
        virtual void            ReleaseImageData(const char *) const                    {}
 
        virtual VGSystem *      getVGSystem() const     { return (VGSystem *)fSystem; }
 
        // - Data export services ----------------------------------------
        virtual void *          GetNativeContext() const    { return 0; }
        // ----------------------- end "never needed in abstract device" ------------------
 
 
        // - VGDevice extension --------------------------------------------
        // 49
        virtual void            SelectPenColor( const VGColor & inColor);
        // 50
        virtual void            SelectPenWidth( float witdh);
        // 51
        virtual void            PushPenColor( const VGColor & inColor);
        // 52
        virtual void            PopPenColor();      
        // 53
        virtual void            PushPenWidth( float width);
        // 54
        virtual void            PopPenWidth();
 
        // - VGDevice extension --------------------------------------------
        // 55
        virtual void            FrameEllipse( float x, float y, float width, float height);
        // 56
        virtual void            Ellipse( float x, float y, float width, float height, const VGColor& color);
};
 
#endif