// Author: Stefan Csomor
// Modified by:
// Created: 2006-10-03
-// RCS-ID: $Id$
// Copyright: (c) 2006 Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include <cairo.h>
bool wxCairoInit();
-void wxCairoCleanUp();
#ifndef WX_PRECOMP
#include "wx/bitmap.h"
// fully transparent or fully opaque
if (bmpSource.GetMask())
{
- wxBitmap bmpMask = bmpSource.GetMaskBitmap();
+ wxBitmap bmpMask = bmpSource.GetMask()->GetBitmap();
bufferFormat = CAIRO_FORMAT_ARGB32;
data = (wxUint32*)m_buffer;
wxNativePixelData
#ifdef __WXGTK20__
const wxDCImpl *impl = dc.GetImpl();
- Init( (cairo_t*) impl->GetCairoContext() );
+ cairo_t* cr = static_cast<cairo_t*>(impl->GetCairoContext());
+ if (cr)
+ Init(cairo_reference(cr));
#endif
wxSize sz = dc.GetSize();
m_width = sz.x;
#ifdef __WXGTK3__
cairo_t* cr = static_cast<cairo_t*>(dc.GetImpl()->GetCairoContext());
if (cr)
- Init(cr);
+ Init(cairo_reference(cr));
#elif defined __WXGTK20__
wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
#ifdef __WXGTK3__
cairo_t* cr = static_cast<cairo_t*>(dc.GetImpl()->GetCairoContext());
if (cr)
- Init(cr);
+ Init(cairo_reference(cr));
#elif defined __WXGTK20__
wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
// create a subimage from a native image representation
virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
-protected :
- bool EnsureIsLoaded();
- void Load();
- void Unload();
- friend class wxCairoModule;
-private :
- int m_loaded;
DECLARE_DYNAMIC_CLASS_NO_COPY(wxCairoRenderer)
} ;
IMPLEMENT_DYNAMIC_CLASS(wxCairoRenderer,wxGraphicsRenderer)
static wxCairoRenderer gs_cairoGraphicsRenderer;
-// temporary hack to allow creating a cairo context on any platform
-extern wxGraphicsRenderer* gCairoRenderer;
-wxGraphicsRenderer* gCairoRenderer = &gs_cairoGraphicsRenderer;
-bool wxCairoRenderer::EnsureIsLoaded()
-{
-#ifndef __WXGTK__
- Load();
- return wxCairoInit();
+#ifdef __WXGTK__
+ #define ENSURE_LOADED_OR_RETURN(returnOnFail)
#else
- return true;
+ #define ENSURE_LOADED_OR_RETURN(returnOnFail) \
+ if (!wxCairoInit()) \
+ return returnOnFail
#endif
-}
-
-void wxCairoRenderer::Load()
-{
- wxCairoInit();
-}
-
-void wxCairoRenderer::Unload()
-{
- wxCairoCleanUp();
-}
-
-// call EnsureIsLoaded() and return returnOnFail value if it fails
-#define ENSURE_LOADED_OR_RETURN(returnOnFail) \
- if ( !EnsureIsLoaded() ) \
- return (returnOnFail)
wxGraphicsContext * wxCairoRenderer::CreateContext( const wxWindowDC& dc)
{
#if wxUSE_ENH_METAFILE
wxGraphicsContext * wxCairoRenderer::CreateContext( const wxEnhMetaFileDC& WXUNUSED(dc) )
{
- ENSURE_LOADED_OR_RETURN(NULL);
return NULL;
}
#endif
wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeWindow( void * window )
{
- ENSURE_LOADED_OR_RETURN(NULL);
#ifdef __WXGTK__
return new wxCairoContext(this, static_cast<GdkWindow*>(window));
#else
#if wxUSE_IMAGE
wxGraphicsContext * wxCairoRenderer::CreateContextFromImage(wxImage& image)
{
+ ENSURE_LOADED_OR_RETURN(NULL);
return new wxCairoImageContext(this, image);
}
#endif // wxUSE_IMAGE
wxGraphicsContext * wxCairoRenderer::CreateMeasuringContext()
{
- ENSURE_LOADED_OR_RETURN(NULL);
#ifdef __WXGTK__
return CreateContextFromNativeWindow(gdk_get_default_root_window());
#else
wxGraphicsPath wxCairoRenderer::CreatePath()
{
- ENSURE_LOADED_OR_RETURN(wxNullGraphicsPath);
wxGraphicsPath path;
+ ENSURE_LOADED_OR_RETURN(path);
path.SetRefData( new wxCairoPathData(this) );
return path;
}
wxDouble tx, wxDouble ty)
{
- ENSURE_LOADED_OR_RETURN(wxNullGraphicsMatrix);
wxGraphicsMatrix m;
+ ENSURE_LOADED_OR_RETURN(m);
wxCairoMatrixData* data = new wxCairoMatrixData( this );
data->Set( a,b,c,d,tx,ty ) ;
m.SetRefData(data);
wxGraphicsPen wxCairoRenderer::CreatePen(const wxPen& pen)
{
- ENSURE_LOADED_OR_RETURN(wxNullGraphicsPen);
- if ( !pen.IsOk() || pen.GetStyle() == wxPENSTYLE_TRANSPARENT )
- return wxNullGraphicsPen;
- else
+ wxGraphicsPen p;
+ ENSURE_LOADED_OR_RETURN(p);
+ if (pen.IsOk() && pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
{
- wxGraphicsPen p;
p.SetRefData(new wxCairoPenData( this, pen ));
- return p;
}
+ return p;
}
wxGraphicsBrush wxCairoRenderer::CreateBrush(const wxBrush& brush )
{
- ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
- if ( !brush.IsOk() || brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT )
- return wxNullGraphicsBrush;
- else
+ wxGraphicsBrush p;
+ ENSURE_LOADED_OR_RETURN(p);
+ if (brush.IsOk() && brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
{
- wxGraphicsBrush p;
p.SetRefData(new wxCairoBrushData( this, brush ));
- return p;
}
+ return p;
}
wxGraphicsBrush
wxDouble x2, wxDouble y2,
const wxGraphicsGradientStops& stops)
{
- ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
wxGraphicsBrush p;
+ ENSURE_LOADED_OR_RETURN(p);
wxCairoBrushData* d = new wxCairoBrushData( this );
d->CreateLinearGradientBrush(x1, y1, x2, y2, stops);
p.SetRefData(d);
wxDouble xc, wxDouble yc, wxDouble r,
const wxGraphicsGradientStops& stops)
{
- ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
wxGraphicsBrush p;
+ ENSURE_LOADED_OR_RETURN(p);
wxCairoBrushData* d = new wxCairoBrushData( this );
d->CreateRadialGradientBrush(xo, yo, xc, yc, r, stops);
p.SetRefData(d);
wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour &col )
{
- ENSURE_LOADED_OR_RETURN(wxNullGraphicsFont);
+ wxGraphicsFont p;
+ ENSURE_LOADED_OR_RETURN(p);
if ( font.IsOk() )
{
- wxGraphicsFont p;
p.SetRefData(new wxCairoFontData( this , font, col ));
- return p;
}
- else
- return wxNullGraphicsFont;
+ return p;
}
wxGraphicsFont
int flags,
const wxColour& col)
{
- ENSURE_LOADED_OR_RETURN(wxNullGraphicsFont);
-
wxGraphicsFont font;
+ ENSURE_LOADED_OR_RETURN(font);
font.SetRefData(new wxCairoFontData(this, sizeInPixels, facename, flags, col));
return font;
}
wxGraphicsBitmap wxCairoRenderer::CreateBitmap( const wxBitmap& bmp )
{
- ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
+ wxGraphicsBitmap p;
+ ENSURE_LOADED_OR_RETURN(p);
if ( bmp.IsOk() )
{
- wxGraphicsBitmap p;
p.SetRefData(new wxCairoBitmapData( this , bmp ));
- return p;
}
- else
- return wxNullGraphicsBitmap;
+ return p;
}
#if wxUSE_IMAGE
wxImage wxCairoRenderer::CreateImageFromBitmap(const wxGraphicsBitmap& bmp)
{
- ENSURE_LOADED_OR_RETURN(wxNullImage);
+ wxImage image;
+ ENSURE_LOADED_OR_RETURN(image);
const wxCairoBitmapData* const
data = static_cast<wxCairoBitmapData*>(bmp.GetGraphicsData());
+ if (data)
+ image = data->ConvertToImage();
- return data ? data->ConvertToImage() : wxNullImage;
+ return image;
}
#endif // wxUSE_IMAGE
wxGraphicsBitmap wxCairoRenderer::CreateBitmapFromNativeBitmap( void* bitmap )
{
- ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
+ wxGraphicsBitmap p;
+ ENSURE_LOADED_OR_RETURN(p);
if ( bitmap != NULL )
{
- wxGraphicsBitmap p;
p.SetRefData(new wxCairoBitmapData( this , (cairo_surface_t*) bitmap ));
- return p;
}
- else
- return wxNullGraphicsBitmap;
+ return p;
}
wxGraphicsBitmap
wxDouble WXUNUSED(w),
wxDouble WXUNUSED(h))
{
- ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
+ wxGraphicsBitmap p;
wxFAIL_MSG("wxCairoRenderer::CreateSubBitmap is not implemented.");
- return wxNullGraphicsBitmap;
+ return p;
}
wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
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