wxWidgets/include/wx/dcsvg.h
2007-04-05 18:26:59 +00:00

310 lines
10 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/dcsvg.h
// Purpose: wxSVGFileDC
// Author: Chris Elliott
// Modified by:
// Created:
// Copyright: (c) Chris Elliott
// RCS-ID: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __DCSVG_H
#define __DCSVG_H
#include "wx/wfstream.h"
#include "wx/string.h"
#define wxSVGVersion wxT("v0100")
class WXDLLIMPEXP_CORE wxSVGFileDC : public wxDC
{
private:
wxFileOutputStream * m_outfile ;
wxString m_filename ;
//holds number of png format images we have
int m_sub_images ;
bool m_OK, m_graphics_changed ;
int m_width, m_height ;
double
m_logicalScaleX,
m_logicalScaleY,
m_userScaleX,
m_userScaleY,
m_scaleX,
m_scaleY,
m_OriginX,
m_OriginY,
m_mm_to_pix_x,
m_mm_to_pix_y;
bool
m_needComputeScaleX,
m_needComputeScaleY; // not yet used
bool DoGetPixel(wxCoord, wxCoord, class wxColour *) const
{ wxASSERT_MSG (false, wxT("wxSVGFILEDC::DoGetPixel Call not implemented")); return true; };
virtual bool DoBlit(wxCoord, wxCoord, wxCoord, wxCoord, class wxDC *,
wxCoord, wxCoord, int = wxCOPY, bool = 0, int = -1, int = -1) ;
void DoCrossHair(wxCoord, wxCoord)
{ wxASSERT_MSG (false, wxT("wxSVGFILEDC::CrossHair Call not implemented")); return ; };
void DoDrawArc(wxCoord, wxCoord, wxCoord, wxCoord, wxCoord, wxCoord);
void DoDrawBitmap(const class wxBitmap &, wxCoord, wxCoord, bool = 0) ;
void DoDrawCheckMark(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea) ;
void DoDrawIcon(const class wxIcon &, wxCoord, wxCoord) ;
void DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) ;
void DoDrawPoint(wxCoord, wxCoord) ;
void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle) ;
void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle) ;
void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20) ;
void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
bool DoFloodFill(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour& WXUNUSED(col),
int WXUNUSED(style) = wxFLOOD_SURFACE)
{ wxASSERT_MSG (false, wxT("wxSVGFILEDC::DoFloodFill Call not implemented")); return false ; };
void DoGetSize(int * x, int *y) const { *x = m_width; *y = m_height ; return ; } ;
void DoGetTextExtent(const wxString& string, wxCoord *w, wxCoord *h, wxCoord *descent = NULL, wxCoord *externalLeading = NULL, wxFont *font = NULL) const ;
void DoSetClippingRegionAsRegion(const class wxRegion &)
{ wxASSERT_MSG (false, wxT("wxSVGFILEDC::DoSetClippingRegionAsRegion Call not yet implemented")); return ; };
void Init (wxString f, int Width, int Height, float dpi);
void NewGraphics () ;
#ifdef XDEV2LOG
#undef XDEV2LOG
#endif
wxCoord XDEV2LOG(wxCoord x) const
{
wxCoord new_x = x - m_deviceOriginX;
if (new_x > 0)
return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
else
return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
}
#ifdef XDEV2LOGREL
#undef XDEV2LOGREL
#endif
wxCoord XDEV2LOGREL(wxCoord x) const
{
if (x > 0)
return (wxCoord)((double)(x) / m_scaleX + 0.5);
else
return (wxCoord)((double)(x) / m_scaleX - 0.5);
}
#ifdef YDEV2LOG
#undef YDEV2LOG
#endif
wxCoord YDEV2LOG(wxCoord y) const
{
wxCoord new_y = y - m_deviceOriginY;
if (new_y > 0)
return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
else
return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
}
#ifdef YDEV2LOGREL
#undef YDEV2LOGREL
#endif
wxCoord YDEV2LOGREL(wxCoord y) const
{
if (y > 0)
return (wxCoord)((double)(y) / m_scaleY + 0.5);
else
return (wxCoord)((double)(y) / m_scaleY - 0.5);
}
#ifdef XLOG2DEV
#undef XLOG2DEV
#endif
wxCoord XLOG2DEV(wxCoord x) const
{
wxCoord new_x = x - m_logicalOriginX;
if (new_x > 0)
return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
else
return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
}
#ifdef XLOG2DEVREL
#undef XLOG2DEVREL
#endif
wxCoord XLOG2DEVREL(wxCoord x) const
{
if (x > 0)
return (wxCoord)((double)(x) * m_scaleX + 0.5);
else
return (wxCoord)((double)(x) * m_scaleX - 0.5);
}
#ifdef YLOG2DEV
#undef YLOG2DEV
#endif
wxCoord YLOG2DEV(wxCoord y) const
{
wxCoord new_y = y - m_logicalOriginY;
if (new_y > 0)
return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
else
return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
}
#ifdef YLOG2DEVREL
#undef YLOG2DEVREL
#endif
wxCoord YLOG2DEVREL(wxCoord y) const
{
if (y > 0)
return (wxCoord)((double)(y) * m_scaleY + 0.5);
else
return (wxCoord)((double)(y) * m_scaleY - 0.5);
}
void write(const wxString &s);
public:
wxSVGFileDC (wxString f);
wxSVGFileDC (wxString f, int Width, int Height);
wxSVGFileDC (wxString f, int Width, int Height, float dpi);
~wxSVGFileDC();
bool CanDrawBitmap() const { return true; };
bool CanGetTextExtent() const { return true; };
int GetDepth() const
{ wxASSERT_MSG (false, wxT("wxSVGFILEDC::GetDepth Call not implemented")); return -1 ; };
void BeginDrawing() { return;};
bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, wxDC* source, wxCoord xsrc, wxCoord ysrc, int logicalFunc = wxCOPY, bool useMask = false)
{ return DoBlit(xdest, ydest, width, height, source, xsrc, ysrc, logicalFunc, useMask); };
void Clear()
{ wxASSERT_MSG (false, wxT("wxSVGFILEDC::Clear() Call not implemented \nNot sensible for an output file?")); return ; };
void CrossHair(wxCoord x, wxCoord y)
{ DoCrossHair (x,y); return; };
virtual void ComputeScaleAndOrigin();
void DestroyClippingRegion()
{ wxASSERT_MSG (false, wxT("wxSVGFILEDC::void Call not yet implemented")); return ; };
wxCoord DeviceToLogicalX(wxCoord x) const ;
wxCoord DeviceToLogicalXRel(wxCoord x) const ;
wxCoord DeviceToLogicalY(wxCoord y) const ;
wxCoord DeviceToLogicalYRel(wxCoord y) const ;
void DrawBitmap(const wxBitmap& bitmap, wxCoord x, wxCoord y, bool transparent)
{ DoDrawBitmap ( bitmap, x, y, transparent ) ; return ;};
void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
{DoDrawIcon(icon, x, y) ; return ; };
void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0) ;
void EndDoc()
{ return ; };
void EndDrawing()
{ return ; };
void EndPage()
{ return ; };
void FloodFill(wxCoord x, wxCoord y, wxColour *colour, int style=wxFLOOD_SURFACE)
{ DoFloodFill (x, y, *colour, style); return ;} ;
wxCoord GetCharHeight() const;
wxCoord GetCharWidth() const;
void GetClippingBox(wxCoord *WXUNUSED(x), wxCoord *WXUNUSED(y), wxCoord * WXUNUSED(width), wxCoord * WXUNUSED(height))
{ wxASSERT_MSG (false, wxT("wxSVGFILEDC::GetClippingBox Call not yet implemented")); return ; };
int GetLogicalFunction()
{ wxASSERT_MSG (false, wxT("wxSVGFILEDC::GetLogicalFunction() Call not implemented")); return wxCOPY ; };
int GetMapMode() ;
bool GetPixel(wxCoord x, wxCoord y, wxColour *colour)
{ return DoGetPixel (x, y, colour) ; } ;
void GetUserScale(double *x, double *y) const ;
wxCoord LogicalToDeviceX(wxCoord x) const ;
wxCoord LogicalToDeviceXRel(wxCoord x) const ;
wxCoord LogicalToDeviceY(wxCoord y) const ;
wxCoord LogicalToDeviceYRel(wxCoord y) const ;
bool Ok() const {return m_OK;};
void SetAxisOrientation( bool xLeftRight, bool yBottomUp ) ;
void SetClippingRegion(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxCoord WXUNUSED(width), wxCoord WXUNUSED(height))
{ wxASSERT_MSG (false, wxT("wxSVGFILEDC::SetClippingRegion Call not yet implemented")); return ; };
void SetPalette(const wxPalette& WXUNUSED(palette))
{ wxASSERT_MSG (false, wxT("wxSVGFILEDC::SetPalette Call not yet implemented")); return ; };
void SetBackground( const wxBrush &brush ) ;
void SetBackgroundMode( int mode ) ;
void SetBrush(const wxBrush& brush) ;
void SetFont(const wxFont& font) ;
void SetLogicalFunction(int WXUNUSED(function))
{ wxASSERT_MSG (false, wxT("wxSVGFILEDC::SetLogicalFunction Call implemented")); return ; };
void SetLogicalScale( double x, double y ) ;
void SetLogicalOrigin( wxCoord x, wxCoord y ) ;
void SetDeviceOrigin( wxCoord x, wxCoord y ) ;
void SetMapMode(int anint) ;
void SetPen(const wxPen& pen) ;
void SetUserScale(double xScale, double yScale) ;
bool StartDoc(const wxString& WXUNUSED(message))
{ return false; };
void StartPage()
{ return ; };
};
#endif // __DCSVG_H