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/////////////////////////////////////////////////////////////////////////////
// Name: wx/dcsvg.h
// Purpose: wxSVGFileDC
// Author: Chris Elliott
// Modified by:
// Created:
// Copyright: (c) Chris Elliott
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DCSVG_H_
#define _WX_DCSVG_H_
#include "wx/string.h"
#include "wx/dc.h"
#if wxUSE_SVG
#define wxSVGVersion wxT("v0101")
#ifdef __BORLANDC__
#pragma warn -8008
#pragma warn -8066
#endif
class WXDLLIMPEXP_FWD_BASE wxFileOutputStream;
class WXDLLIMPEXP_FWD_CORE wxSVGFileDC;
class WXDLLIMPEXP_CORE wxSVGFileDCImpl : public wxDCImpl
{
public:
wxSVGFileDCImpl( wxSVGFileDC *owner, const wxString &filename,
int width=320, int height=240, double dpi=72.0 );
virtual ~wxSVGFileDCImpl();
bool IsOk() const { return m_OK; }
virtual bool CanDrawBitmap() const { return true; }
virtual bool CanGetTextExtent() const { return true; }
virtual int GetDepth() const
{
wxFAIL_MSG(wxT("wxSVGFILEDC::GetDepth Call not implemented"));
return -1;
}
virtual void Clear();
virtual void DestroyClippingRegion();
virtual wxCoord GetCharHeight() const;
virtual wxCoord GetCharWidth() const;
virtual void SetClippingRegion(wxCoord x, wxCoord y,
wxCoord w, wxCoord h)
{
DoSetClippingRegion(x, y, w, h);
}
virtual void SetPalette(const wxPalette& WXUNUSED(palette))
{
wxFAIL_MSG(wxT("wxSVGFILEDC::SetPalette not implemented"));
}
virtual void GetClippingBox(wxCoord *x, wxCoord *y,
wxCoord *w, wxCoord *h)
{
DoGetClippingBox(x, y, w, h);
}
virtual void SetLogicalFunction(wxRasterOperationMode WXUNUSED(function))
{
wxFAIL_MSG(wxT("wxSVGFILEDC::SetLogicalFunction Call not implemented"));
}
virtual wxRasterOperationMode GetLogicalFunction() const
{
wxFAIL_MSG(wxT("wxSVGFILEDC::GetLogicalFunction() not implemented"));
return wxCOPY;
}
#if wxABI_VERSION >= 30005
virtual void SetLogicalOrigin(wxCoord x, wxCoord y)
{
wxDCImpl::SetLogicalOrigin(x, y);
m_graphics_changed = true;
}
virtual void SetDeviceOrigin(wxCoord x, wxCoord y)
{
wxDCImpl::SetDeviceOrigin(x, y);
m_graphics_changed = true;
}
virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp)
{
wxDCImpl::SetAxisOrientation(xLeftRight, yBottomUp);
m_graphics_changed = true;
}
#endif
virtual void SetBackground( const wxBrush &brush );
virtual void SetBackgroundMode( int mode );
virtual void SetBrush(const wxBrush& brush);
virtual void SetFont(const wxFont& font);
virtual void SetPen(const wxPen& pen);
virtual void* GetHandle() const { return NULL; }
private:
virtual bool DoGetPixel(wxCoord, wxCoord, wxColour *) const
{
wxFAIL_MSG(wxT("wxSVGFILEDC::DoGetPixel Call not implemented"));
return true;
}
virtual bool DoBlit(wxCoord, wxCoord, wxCoord, wxCoord, wxDC *,
wxCoord, wxCoord, wxRasterOperationMode = wxCOPY,
bool = 0, int = -1, int = -1);
virtual void DoCrossHair(wxCoord, wxCoord)
{
wxFAIL_MSG(wxT("wxSVGFILEDC::CrossHair Call not implemented"));
}
virtual void DoDrawArc(wxCoord, wxCoord, wxCoord, wxCoord, wxCoord, wxCoord);
virtual void DoDrawBitmap(const wxBitmap &, wxCoord, wxCoord, bool = false);
virtual void DoDrawCheckMark(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
double sa, double ea);
virtual void DoDrawIcon(const wxIcon &, wxCoord, wxCoord);
virtual void DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
virtual void DoDrawLines(int n, const wxPoint points[],
wxCoord xoffset = 0, wxCoord yoffset = 0);
virtual void DoDrawPoint(wxCoord, wxCoord);
virtual void DoDrawPolygon(int n, const wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
wxPolygonFillMode fillStyle);
#if wxABI_VERSION >= 30005
virtual void DoDrawPolyPolygon(int n, const int count[], const wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
wxPolygonFillMode fillStyle);
#endif
virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
double angle);
virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
wxCoord w, wxCoord h,
double radius = 20) ;
virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
virtual bool DoFloodFill(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
const wxColour& WXUNUSED(col),
wxFloodFillStyle WXUNUSED(style) = wxFLOOD_SURFACE)
{
wxFAIL_MSG(wxT("wxSVGFILEDC::DoFloodFill Call not implemented"));
return false;
}
virtual void DoGetSize(int * x, int *y) const
{
if ( x )
*x = m_width;
if ( y )
*y = m_height;
}
virtual void DoGetTextExtent(const wxString& string, wxCoord *w, wxCoord *h,
wxCoord *descent = NULL,
wxCoord *externalLeading = NULL,
const wxFont *font = NULL) const;
virtual void DoSetDeviceClippingRegion(const wxRegion& region)
{
DoSetClippingRegion(region.GetBox().x, region.GetBox().y,
region.GetBox().width, region.GetBox().height);
}
virtual void DoSetClippingRegion(int x, int y, int width, int height);
virtual void DoGetSizeMM( int *width, int *height ) const;
virtual wxSize GetPPI() const;
void Init (const wxString &filename, int width, int height, double dpi);
void write( const wxString &s );
private:
// If m_graphics_changed is true, close the current <g> element and start a
// new one for the last pen/brush change.
void NewGraphicsIfNeeded();
// Open a new graphics group setting up all the attributes according to
// their current values in wxDC.
void DoStartNewGraphics();
wxFileOutputStream *m_outfile;
wxString m_filename;
int m_sub_images; // number of png format images we have
bool m_OK;
bool m_graphics_changed; // set by Set{Brush,Pen}()
int m_width, m_height;
double m_dpi;
// The clipping nesting level is incremented by every call to
// SetClippingRegion() and reset when DestroyClippingRegion() is called.
size_t m_clipNestingLevel;
// Unique ID for every clipping graphics group: this is simply always
// incremented in each SetClippingRegion() call.
size_t m_clipUniqueId;
DECLARE_ABSTRACT_CLASS(wxSVGFileDCImpl)
};
class WXDLLIMPEXP_CORE wxSVGFileDC : public wxDC
{
public:
wxSVGFileDC(const wxString& filename,
int width = 320,
int height = 240,
double dpi = 72.0)
: wxDC(new wxSVGFileDCImpl(this, filename, width, height, dpi))
{
}
};
#endif // wxUSE_SVG
#endif // _WX_DCSVG_H_
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