#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
#if wxUSE_GRAPHICS_CONTEXT
-#include "wx/dc.h"
+#include "wx/graphics.h"
#ifndef WX_PRECOMP
-#include "wx/image.h"
-#include "wx/window.h"
-#include "wx/dc.h"
-#include "wx/utils.h"
-#include "wx/dialog.h"
-#include "wx/app.h"
-#include "wx/bitmap.h"
-#include "wx/dcmemory.h"
-#include "wx/log.h"
-#include "wx/icon.h"
-#include "wx/dcprint.h"
-#include "wx/module.h"
+ #include "wx/bitmap.h"
+ #include "wx/icon.h"
+ #include "wx/dcclient.h"
+ #include "wx/dcmemory.h"
+ #include "wx/dcprint.h"
#endif
#include "wx/private/graphics.h"
#include "wx/rawbmp.h"
-
-#include <vector>
+#include "wx/vector.h"
using namespace std;
-//-----------------------------------------------------------------------------
-// constants
-//-----------------------------------------------------------------------------
-
-const double RAD2DEG = 180.0 / M_PI;
-
-//-----------------------------------------------------------------------------
-// Local functions
-//-----------------------------------------------------------------------------
-
-static inline double dmin(double a, double b)
-{
- return a < b ? a : b;
-}
-static inline double dmax(double a, double b)
-{
- return a > b ? a : b;
-}
-
-static inline double DegToRad(double deg)
-{
- return (deg * M_PI) / 180.0;
-}
-static inline double RadToDeg(double deg)
-{
- return (deg * 180.0) / M_PI;
-}
-
//-----------------------------------------------------------------------------
// device context implementation
//
/*
- // appends a rectangle as a new closed subpath
+ // appends a rectangle as a new closed subpath
virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) ;
// appends an ellipsis as a new closed subpath fitting the passed rectangle
virtual void AddEllipsis( wxDouble x, wxDouble y, wxDouble w , wxDouble h ) ;
// gets the bounding box enclosing all points (possibly including control points)
virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const;
- virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxWINDING_RULE) const;
+ virtual bool Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle = wxWINDING_RULE) const;
private :
cairo_t* m_pathContext;
virtual void Concat( const wxGraphicsMatrixData *t );
// sets the matrix to the respective values
- virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
+ virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
wxDouble tx=0.0, wxDouble ty=0.0);
// gets the component valuess of the matrix
virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL, wxDouble* c=NULL,
wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const;
-
+
// makes this the inverse matrix
virtual void Invert();
virtual void Scale( wxDouble xScale , wxDouble yScale );
// add the rotation to this matrix (radians)
- virtual void Rotate( wxDouble angle );
+ virtual void Rotate( wxDouble angle );
//
// apply the transforms
private :
double m_width;
-
+
double m_red;
double m_green;
double m_blue;
double m_alpha;
-
+
cairo_line_cap_t m_cap;
cairo_line_join_t m_join;
double *m_userLengths;
wxPen m_pen;
+
+ wxDECLARE_NO_COPY_CLASS(wxCairoPenData);
};
class WXDLLIMPEXP_CORE wxCairoBrushData : public wxGraphicsObjectRefData
~wxCairoBrushData ();
virtual void Apply( wxGraphicsContext* context );
- void CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
+ void CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
const wxColour&c1, const wxColour&c2 );
void CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
const wxColour &oColor, const wxColour &cColor );
virtual void Apply( wxGraphicsContext* context );
#ifdef __WXGTK__
const PangoFontDescription* GetFont() const { return m_font; }
+ bool GetUnderlined() const { return m_underlined; }
#endif
private :
double m_size;
+ bool m_underlined;
double m_red;
double m_green;
double m_blue;
#endif
};
-class WXDLLIMPEXP_CORE wxCairoContext : public wxGraphicsContext
+class wxCairoBitmapData : public wxGraphicsObjectRefData
{
- DECLARE_NO_COPY_CLASS(wxCairoContext)
+public:
+ wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp );
+ wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap );
+ ~wxCairoBitmapData();
+ virtual cairo_surface_t* GetCairoSurface() { return m_surface; }
+ virtual cairo_pattern_t* GetCairoPattern() { return m_pattern; }
+ virtual wxSize GetSize() { return wxSize(m_width, m_height); }
+private :
+ cairo_surface_t* m_surface;
+ cairo_pattern_t* m_pattern;
+ int m_width;
+ int m_height;
+ unsigned char* m_buffer;
+};
+
+class WXDLLIMPEXP_CORE wxCairoContext : public wxGraphicsContext
+{
public:
wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc );
wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc );
virtual ~wxCairoContext();
virtual bool ShouldOffset() const
- {
+ {
int penwidth = 0 ;
if ( !m_pen.IsNull() )
{
virtual void * GetNativeContext();
+ virtual bool SetAntialiasMode(wxAntialiasMode antialias);
+
+ virtual bool SetCompositionMode(wxCompositionMode op);
+
+ virtual void BeginLayer(wxDouble opacity);
+
+ virtual void EndLayer();
+
virtual void StrokePath( const wxGraphicsPath& p );
- virtual void FillPath( const wxGraphicsPath& p , int fillStyle = wxWINDING_RULE );
+ virtual void FillPath( const wxGraphicsPath& p , wxPolygonFillMode fillStyle = wxWINDING_RULE );
virtual void Translate( wxDouble dx , wxDouble dy );
virtual void Scale( wxDouble xScale , wxDouble yScale );
// gets the matrix of this context
virtual wxGraphicsMatrix GetTransform() const;
+ virtual void DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
virtual void PushState();
virtual void PopState();
- virtual void DrawText( const wxString &str, wxDouble x, wxDouble y);
virtual void GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
wxDouble *descent, wxDouble *externalLeading ) const;
virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
+protected:
+ virtual void DoDrawText( const wxString &str, wxDouble x, wxDouble y );
+
private:
void Init(cairo_t *context);
-
+
cairo_t* m_context;
+
+ wxVector<float> m_layerOpacities;
+
+ wxDECLARE_NO_COPY_CLASS(wxCairoContext);
};
//-----------------------------------------------------------------------------
wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen )
: wxGraphicsObjectRefData(renderer)
-{
+{
Init();
m_pen = pen;
m_width = m_pen.GetWidth();
m_width = 0.1;
m_red = m_pen.GetColour().Red()/255.0;
- m_green = m_pen.GetColour().Green()/255.0;
+ m_green = m_pen.GetColour().Green()/255.0;
m_blue = m_pen.GetColour().Blue()/255.0;
m_alpha = m_pen.GetColour().Alpha()/255.0;
switch ( m_pen.GetStyle() )
{
- case wxSOLID :
+ case wxPENSTYLE_SOLID :
break;
- case wxDOT :
+ case wxPENSTYLE_DOT :
m_count = WXSIZEOF(dotted);
m_userLengths = new double[ m_count ] ;
memcpy( m_userLengths, dotted, sizeof(dotted) );
m_lengths = m_userLengths;
break;
- case wxLONG_DASH :
+ case wxPENSTYLE_LONG_DASH :
m_lengths = dashed ;
m_count = WXSIZEOF(dashed);
break;
- case wxSHORT_DASH :
+ case wxPENSTYLE_SHORT_DASH :
m_lengths = short_dashed ;
m_count = WXSIZEOF(short_dashed);
break;
- case wxDOT_DASH :
+ case wxPENSTYLE_DOT_DASH :
m_lengths = dotted_dashed ;
m_count = WXSIZEOF(dotted_dashed);
break;
- case wxUSER_DASH :
+ case wxPENSTYLE_USER_DASH :
{
wxDash *wxdashes ;
m_count = m_pen.GetDashes( &wxdashes ) ;
m_lengths = m_userLengths ;
}
break;
- case wxSTIPPLE :
+ case wxPENSTYLE_STIPPLE :
{
/*
wxBitmap* bmp = pen.GetStipple();
}
break;
default :
- if ( m_pen.GetStyle() >= wxFIRST_HATCH && m_pen.GetStyle() <= wxLAST_HATCH )
+ if ( m_pen.GetStyle() >= wxPENSTYLE_FIRST_HATCH
+ && m_pen.GetStyle() <= wxPENSTYLE_LAST_HATCH )
{
/*
wxDELETE( m_penBrush );
HatchStyle style = HatchStyleHorizontal;
switch( pen.GetStyle() )
{
- case wxBDIAGONAL_HATCH :
+ case wxPENSTYLE_BDIAGONAL_HATCH :
style = HatchStyleBackwardDiagonal;
break ;
- case wxCROSSDIAG_HATCH :
+ case wxPENSTYLE_CROSSDIAG_HATCH :
style = HatchStyleDiagonalCross;
break ;
- case wxFDIAGONAL_HATCH :
+ case wxPENSTYLE_FDIAGONAL_HATCH :
style = HatchStyleForwardDiagonal;
break ;
- case wxCROSS_HATCH :
+ case wxPENSTYLE_CROSS_HATCH :
style = HatchStyleCross;
break ;
- case wxHORIZONTAL_HATCH :
+ case wxPENSTYLE_HORIZONTAL_HATCH :
style = HatchStyleHorizontal;
break ;
- case wxVERTICAL_HATCH :
+ case wxPENSTYLE_VERTICAL_HATCH :
style = HatchStyleVertical;
break ;
: wxGraphicsObjectRefData(renderer)
{
Init();
-
+
m_red = brush.GetColour().Red()/255.0;
- m_green = brush.GetColour().Green()/255.0;
+ m_green = brush.GetColour().Green()/255.0;
m_blue = brush.GetColour().Blue()/255.0;
m_alpha = brush.GetColour().Alpha()/255.0;
/*
- if ( brush.GetStyle() == wxSOLID)
+ if ( brush.GetStyle() == wxBRUSHSTYLE_SOLID)
{
m_brush = new SolidBrush( Color( brush.GetColour().Alpha() , brush.GetColour().Red() ,
brush.GetColour().Green() , brush.GetColour().Blue() ) );
HatchStyle style = HatchStyleHorizontal;
switch( brush.GetStyle() )
{
- case wxBDIAGONAL_HATCH :
+ case wxBRUSHSTYLE_BDIAGONAL_HATCH :
style = HatchStyleBackwardDiagonal;
break ;
- case wxCROSSDIAG_HATCH :
+ case wxBRUSHSTYLE_CROSSDIAG_HATCH :
style = HatchStyleDiagonalCross;
break ;
- case wxFDIAGONAL_HATCH :
+ case wxBRUSHSTYLE_FDIAGONAL_HATCH :
style = HatchStyleForwardDiagonal;
break ;
- case wxCROSS_HATCH :
+ case wxBRUSHSTYLE_CROSS_HATCH :
style = HatchStyleCross;
break ;
- case wxHORIZONTAL_HATCH :
+ case wxBRUSHSTYLE_HORIZONTAL_HATCH :
style = HatchStyleHorizontal;
break ;
- case wxVERTICAL_HATCH :
+ case wxBRUSHSTYLE_VERTICAL_HATCH :
style = HatchStyleVertical;
break ;
m_brush = new HatchBrush(style,Color( brush.GetColour().Alpha() , brush.GetColour().Red() ,
brush.GetColour().Green() , brush.GetColour().Blue() ), Color.Transparent );
}
- else
+ else
{
wxBitmap* bmp = brush.GetStipple();
if ( bmp && bmp->Ok() )
}
}
-void wxCairoBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
+void wxCairoBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
const wxColour&c1, const wxColour&c2 )
{
m_brushPattern = cairo_pattern_create_linear(x1,y1,x2,y2);
// wxCairoFontData implementation
//-----------------------------------------------------------------------------
-wxCairoFontData::wxCairoFontData( wxGraphicsRenderer* renderer, const wxFont &font,
+wxCairoFontData::wxCairoFontData( wxGraphicsRenderer* renderer, const wxFont &font,
const wxColour& col ) : wxGraphicsObjectRefData(renderer)
{
m_red = col.Red()/255.0;
- m_green = col.Green()/255.0;
+ m_green = col.Green()/255.0;
m_blue = col.Blue()/255.0;
m_alpha = col.Alpha()/255.0;
m_size = font.GetPointSize();
+ m_underlined = font.GetUnderlined();
#ifdef __WXMAC__
- m_font = cairo_atsui_font_face_create_for_atsu_font_id( font.MacGetATSUFontID() );
+ m_font = cairo_quartz_font_face_create_for_cgfont( font.OSXGetCGFont() );
#elif defined(__WXGTK__)
m_font = pango_font_description_copy( font.GetNativeFontInfo()->description );
#else
void wxCairoPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, double startAngle, double endAngle, bool clockwise )
{
- // as clockwise means positive in our system (y pointing downwards)
+ // as clockwise means positive in our system (y pointing downwards)
// TODO make this interpretation dependent of the
// real device trans
if ( clockwise||(endAngle-startAngle)>=2*M_PI)
}
// transforms each point of this path by the matrix
-void wxCairoPathData::Transform( const wxGraphicsMatrixData* matrix )
+void wxCairoPathData::Transform( const wxGraphicsMatrixData* matrix )
{
// as we don't have a true path object, we have to apply the inverse
// matrix to the context
cairo_matrix_t m = *((cairo_matrix_t*) matrix->GetNativeMatrix());
cairo_matrix_invert( &m );
cairo_transform(m_pathContext,&m);
-}
+}
// gets the bounding box enclosing all points (possibly including control points)
void wxCairoPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const
*x = x1;
*w = x2-x1;
}
-
+
if( y2 < y1 )
{
*y = y2;
}
}
-bool wxCairoPathData::Contains( wxDouble x, wxDouble y, int WXUNUSED(fillStyle) ) const
+bool wxCairoPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode WXUNUSED(fillStyle) ) const
{
return cairo_in_stroke( m_pathContext, x, y) != 0;
}
m_matrix = *matrix;
}
-wxCairoMatrixData::~wxCairoMatrixData()
+wxCairoMatrixData::~wxCairoMatrixData()
{
// nothing to do
}
-wxGraphicsObjectRefData *wxCairoMatrixData::Clone() const
+wxGraphicsObjectRefData *wxCairoMatrixData::Clone() const
{
return new wxCairoMatrixData(GetRenderer(),&m_matrix);
}
// concatenates the matrix
-void wxCairoMatrixData::Concat( const wxGraphicsMatrixData *t )
+void wxCairoMatrixData::Concat( const wxGraphicsMatrixData *t )
{
- cairo_matrix_multiply( &m_matrix, &m_matrix, (cairo_matrix_t*) t->GetNativeMatrix());
+ cairo_matrix_multiply( &m_matrix, &m_matrix, (cairo_matrix_t*) t->GetNativeMatrix());
}
// sets the matrix to the respective values
-void wxCairoMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d,
- wxDouble tx, wxDouble ty)
+void wxCairoMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d,
+ wxDouble tx, wxDouble ty)
{
cairo_matrix_init( &m_matrix, a, b, c, d, tx, ty);
}
}
// makes this the inverse matrix
-void wxCairoMatrixData::Invert()
+void wxCairoMatrixData::Invert()
{
cairo_matrix_invert( &m_matrix );
}
// returns true if the elements of the transformation matrix are equal ?
-bool wxCairoMatrixData::IsEqual( const wxGraphicsMatrixData* t) const
+bool wxCairoMatrixData::IsEqual( const wxGraphicsMatrixData* t) const
{
const cairo_matrix_t* tm = (cairo_matrix_t*) t->GetNativeMatrix();
- return (
- m_matrix.xx == tm->xx &&
- m_matrix.yx == tm->yx &&
- m_matrix.xy == tm->xy &&
- m_matrix.yy == tm->yy &&
- m_matrix.x0 == tm->x0 &&
+ return (
+ m_matrix.xx == tm->xx &&
+ m_matrix.yx == tm->yx &&
+ m_matrix.xy == tm->xy &&
+ m_matrix.yy == tm->yy &&
+ m_matrix.x0 == tm->x0 &&
m_matrix.y0 == tm->y0 ) ;
}
}
// add the rotation to this matrix (radians)
-void wxCairoMatrixData::Rotate( wxDouble angle )
+void wxCairoMatrixData::Rotate( wxDouble angle )
{
cairo_matrix_rotate( &m_matrix, angle) ;
-}
+}
//
// apply the transforms
return (void*) &m_matrix;
}
+// wxCairoBitmap implementation
+//-----------------------------------------------------------------------------
+
+wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap ) :
+ wxGraphicsObjectRefData( renderer )
+{
+ m_surface = bitmap;
+ m_pattern = cairo_pattern_create_for_surface(m_surface);
+}
+
+wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp ) : wxGraphicsObjectRefData( renderer )
+{
+ wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap"));
+
+ int bw = bmp.GetWidth();
+ int bh = bmp.GetHeight();
+ wxBitmap bmpSource = bmp; // we need a non-const instance
+ m_buffer = new unsigned char[bw*bh*4];
+ wxUint32* data = (wxUint32*)m_buffer;
+
+ // Create a surface object and copy the bitmap pixel data to it. if the
+ // image has alpha (or a mask represented as alpha) then we'll use a
+ // different format and iterator than if it doesn't...
+ if (bmpSource.HasAlpha() || bmpSource.GetMask())
+ {
+ m_surface = cairo_image_surface_create_for_data(
+ m_buffer, CAIRO_FORMAT_ARGB32, bw, bh, bw*4);
+ wxAlphaPixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
+ wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
+
+ wxAlphaPixelData::Iterator p(pixData);
+ for (int y=0; y<bh; y++)
+ {
+ wxAlphaPixelData::Iterator rowStart = p;
+ for (int x=0; x<bw; x++)
+ {
+ // Each pixel in CAIRO_FORMAT_ARGB32 is a 32-bit quantity,
+ // with alpha in the upper 8 bits, then red, then green, then
+ // blue. The 32-bit quantities are stored native-endian.
+ // Pre-multiplied alpha is used.
+ unsigned char alpha = p.Alpha();
+ if (alpha == 0)
+ *data = 0;
+ else
+ *data = ( alpha << 24
+ | (p.Red() * alpha/255) << 16
+ | (p.Green() * alpha/255) << 8
+ | (p.Blue() * alpha/255) );
+ ++data;
+ ++p;
+ }
+ p = rowStart;
+ p.OffsetY(pixData, 1);
+ }
+ }
+ else // no alpha
+ {
+ m_surface = cairo_image_surface_create_for_data(
+ m_buffer, CAIRO_FORMAT_RGB24, bw, bh, bw*4);
+ wxNativePixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
+ wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
+
+ wxNativePixelData::Iterator p(pixData);
+ for (int y=0; y<bh; y++)
+ {
+ wxNativePixelData::Iterator rowStart = p;
+ for (int x=0; x<bw; x++)
+ {
+ // Each pixel in CAIRO_FORMAT_RGB24 is a 32-bit quantity, with
+ // the upper 8 bits unused. Red, Green, and Blue are stored in
+ // the remaining 24 bits in that order. The 32-bit quantities
+ // are stored native-endian.
+ *data = ( p.Red() << 16 | p.Green() << 8 | p.Blue() );
+ ++data;
+ ++p;
+ }
+ p = rowStart;
+ p.OffsetY(pixData, 1);
+ }
+ }
+ m_pattern = cairo_pattern_create_for_surface(m_surface);
+}
+
+wxCairoBitmapData::~wxCairoBitmapData()
+{
+ if (m_pattern)
+ cairo_pattern_destroy(m_pattern);
+
+ if (m_surface)
+ cairo_surface_destroy(m_surface);
+
+ delete [] m_buffer;
+}
+
+
+
//-----------------------------------------------------------------------------
// wxCairoContext implementation
//-----------------------------------------------------------------------------
wxPoint org = dc.GetDeviceOrigin();
cairo_translate( m_context, org.x, org.y );
-
+
double sx,sy;
dc.GetUserScale( &sx, &sy );
cairo_scale( m_context, sx, sy );
#ifdef __WXGTK20__
wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
-
-#if 0
+
+#if 0
wxGraphicsMatrix matrix = CreateMatrix();
-
+
wxPoint org = dc.GetDeviceOrigin();
matrix.Translate( org.x, org.y );
-
+
org = dc.GetLogicalOrigin();
matrix.Translate( -org.x, -org.y );
#ifdef __WXGTK20__
wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
-
-#if 0
+
+#if 0
wxGraphicsMatrix matrix = CreateMatrix();
-
+
wxPoint org = dc.GetDeviceOrigin();
matrix.Translate( org.x, org.y );
-
+
org = dc.GetLogicalOrigin();
matrix.Translate( -org.x, -org.y );
path.AddRectangle(ri.GetX(), ri.GetY(), ri.GetW(), ri.GetH());
++ri;
}
-
+
// Put it in the context
cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ;
cairo_append_path(m_context, cp);
// clip to that path
cairo_clip(m_context);
- path.UnGetNativePath(cp);
+ path.UnGetNativePath(cp);
}
void wxCairoContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
// clip to that path
cairo_clip(m_context);
- path.UnGetNativePath(cp);
+ path.UnGetNativePath(cp);
}
void wxCairoContext::ResetClip()
void wxCairoContext::StrokePath( const wxGraphicsPath& path )
{
if ( !m_pen.IsNull() )
- {
- wxCairoOffsetHelper helper( m_context, ShouldOffset() ) ;
+ {
+ wxCairoOffsetHelper helper( m_context, ShouldOffset() ) ;
cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ;
cairo_append_path(m_context,cp);
((wxCairoPenData*)m_pen.GetRefData())->Apply(this);
}
}
-void wxCairoContext::FillPath( const wxGraphicsPath& path , int fillStyle )
+void wxCairoContext::FillPath( const wxGraphicsPath& path , wxPolygonFillMode fillStyle )
{
if ( !m_brush.IsNull() )
{
void wxCairoContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
{
- wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap"));
+ wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp);
+ DrawBitmap(bitmap, x, y, w, h);
- cairo_surface_t* surface;
- int bw = bmp.GetWidth();
- int bh = bmp.GetHeight();
- wxBitmap bmpSource = bmp; // we need a non-const instance
- unsigned char* buffer = new unsigned char[bw*bh*4];
- wxUint32* data = (wxUint32*)buffer;
-
- // Create a surface object and copy the bitmap pixel data to it. if the
- // image has alpha (or a mask represented as alpha) then we'll use a
- // different format and iterator than if it doesn't...
- if (bmpSource.HasAlpha() || bmpSource.GetMask())
- {
- surface = cairo_image_surface_create_for_data(
- buffer, CAIRO_FORMAT_ARGB32, bw, bh, bw*4);
- wxAlphaPixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
- wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
-
- wxAlphaPixelData::Iterator p(pixData);
- for (int y=0; y<bh; y++)
- {
- wxAlphaPixelData::Iterator rowStart = p;
- for (int x=0; x<bw; x++)
- {
- // Each pixel in CAIRO_FORMAT_ARGB32 is a 32-bit quantity,
- // with alpha in the upper 8 bits, then red, then green, then
- // blue. The 32-bit quantities are stored native-endian.
- // Pre-multiplied alpha is used.
- unsigned char alpha = p.Alpha();
- if (alpha == 0)
- *data = 0;
- else
- *data = ( alpha << 24
- | (p.Red() * alpha/255) << 16
- | (p.Green() * alpha/255) << 8
- | (p.Blue() * alpha/255) );
- ++data;
- ++p;
- }
- p = rowStart;
- p.OffsetY(pixData, 1);
- }
- }
- else // no alpha
- {
- surface = cairo_image_surface_create_for_data(
- buffer, CAIRO_FORMAT_RGB24, bw, bh, bw*4);
- wxNativePixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
- wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
-
- wxNativePixelData::Iterator p(pixData);
- for (int y=0; y<bh; y++)
- {
- wxNativePixelData::Iterator rowStart = p;
- for (int x=0; x<bw; x++)
- {
- // Each pixel in CAIRO_FORMAT_RGB24 is a 32-bit quantity, with
- // the upper 8 bits unused. Red, Green, and Blue are stored in
- // the remaining 24 bits in that order. The 32-bit quantities
- // are stored native-endian.
- *data = ( p.Red() << 16 | p.Green() << 8 | p.Blue() );
- ++data;
- ++p;
- }
- p = rowStart;
- p.OffsetY(pixData, 1);
- }
- }
+}
-
+void wxCairoContext::DrawBitmap(const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
PushState();
-
+
// In case we're scaling the image by using a width and height different
// than the bitmap's size create a pattern transformation on the surface and
// draw the transformed pattern.
- cairo_pattern_t* pattern = cairo_pattern_create_for_surface(surface);
- wxDouble scaleX = w / bw;
- wxDouble scaleY = h / bh;
+ wxCairoBitmapData* data = static_cast<wxCairoBitmapData*>(bmp.GetRefData());
+ cairo_pattern_t* pattern = data->GetCairoPattern();
+ wxSize size = data->GetSize();
+
+ wxDouble scaleX = w / size.GetWidth();
+ wxDouble scaleY = h / size.GetHeight();
cairo_scale(m_context, scaleX, scaleY);
// prepare to draw the image
cairo_translate(m_context, x, y);
cairo_set_source(m_context, pattern);
// use the original size here since the context is scaled already...
- cairo_rectangle(m_context, 0, 0, bw, bh);
+ cairo_rectangle(m_context, 0, 0, size.GetWidth(), size.GetHeight());
// fill the rectangle using the pattern
cairo_fill(m_context);
- // clean up
- cairo_pattern_destroy(pattern);
- cairo_surface_destroy(surface);
- delete [] buffer;
PopState();
}
}
-void wxCairoContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
+void wxCairoContext::DoDrawText(const wxString& str, wxDouble x, wxDouble y)
{
- if ( m_font.IsNull() || str.empty())
+ wxCHECK_RET( !m_font.IsNull(),
+ wxT("wxCairoContext::DrawText - no valid font set") );
+
+ if ( str.empty())
return;
-#ifdef __WXGTK__
const wxCharBuffer data = str.utf8_str();
if ( !data )
return;
- size_t datalen = strlen(data);
+
((wxCairoFontData*)m_font.GetRefData())->Apply(this);
+#ifdef __WXGTK__
+ size_t datalen = strlen(data);
+
PangoLayout *layout = pango_cairo_create_layout (m_context);
- pango_layout_set_font_description( layout, ((wxCairoFontData*)m_font.GetRefData())->GetFont());
+ wxCairoFontData* font_data = (wxCairoFontData*) m_font.GetRefData();
+ pango_layout_set_font_description( layout, font_data->GetFont());
pango_layout_set_text(layout, data, datalen);
+
+ if (font_data->GetUnderlined())
+ {
+ PangoAttrList *attrs = pango_attr_list_new();
+ PangoAttribute *attr = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
+ pango_attr_list_insert(attrs, attr);
+ pango_layout_set_attributes(layout, attrs);
+ pango_attr_list_unref(attrs);
+ }
+
cairo_move_to(m_context, x, y);
pango_cairo_show_layout (m_context, layout);
g_object_unref (layout);
#else
- ((wxCairoFontData*)m_font.GetRefData())->Apply(this);
// Cairo's x,y for drawing text is at the baseline, so we need to adjust
// the position we move to by the ascent.
cairo_font_extents_t fe;
cairo_font_extents(m_context, &fe);
cairo_move_to(m_context, x, y+fe.ascent);
-
- const wxWX2MBbuf buf(str.mb_str(wxConvUTF8));
- cairo_show_text(m_context,buf);
+
+ cairo_show_text(m_context, data);
#endif
}
void wxCairoContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
wxDouble *descent, wxDouble *externalLeading ) const
{
+ wxCHECK_RET( !m_font.IsNull(), wxT("wxCairoContext::GetTextExtent - no valid font set") );
+
if ( width )
*width = 0;
if ( height )
if ( externalLeading )
*externalLeading = 0;
- if ( m_font.IsNull() || str.empty())
+ if ( str.empty())
return;
#ifdef __WXGTK__
int w, h;
-
+
PangoLayout *layout = pango_cairo_create_layout (m_context);
pango_layout_set_font_description( layout, ((wxCairoFontData*)m_font.GetRefData())->GetFont());
const wxCharBuffer data = str.utf8_str();
{
cairo_font_extents_t fe;
cairo_font_extents(m_context, &fe);
-
+
// some backends have negative descents
-
+
if ( fe.descent < 0 )
fe.descent = -fe.descent;
-
+
if ( fe.height < (fe.ascent + fe.descent ) )
{
// some backends are broken re height ... (eg currently ATSUI)
fe.height = fe.ascent + fe.descent;
}
-
+
if (height)
*height = fe.height;
if ( descent )
widths.Empty();
widths.Add(0, text.length());
+ wxCHECK_RET( !m_font.IsNull(), wxT("wxCairoContext::GetPartialTextExtents - no valid font set") );
+
if (text.empty())
return;
// TODO
}
-void * wxCairoContext::GetNativeContext()
+void * wxCairoContext::GetNativeContext()
{
return m_context;
}
+bool wxCairoContext::SetAntialiasMode(wxAntialiasMode antialias)
+{
+ if (m_antialias == antialias)
+ return true;
+
+ m_antialias = antialias;
+
+ cairo_antialias_t antialiasMode;
+ switch (antialias)
+ {
+ case wxANTIALIAS_DEFAULT:
+ antialiasMode = CAIRO_ANTIALIAS_DEFAULT;
+ break;
+ case wxANTIALIAS_NONE:
+ antialiasMode = CAIRO_ANTIALIAS_NONE;
+ break;
+ default:
+ return false;
+ }
+ cairo_set_antialias(m_context, antialiasMode);
+ return true;
+}
+
+bool wxCairoContext::SetCompositionMode(wxCompositionMode op)
+{
+ if ( m_composition == op )
+ return true;
+
+ m_composition = op;
+ cairo_operator_t cop;
+ switch (op)
+ {
+ case wxCOMPOSITION_CLEAR:
+ cop = CAIRO_OPERATOR_CLEAR;
+ break;
+ case wxCOMPOSITION_SOURCE:
+ cop = CAIRO_OPERATOR_SOURCE;
+ break;
+ case wxCOMPOSITION_OVER:
+ cop = CAIRO_OPERATOR_OVER;
+ break;
+ case wxCOMPOSITION_IN:
+ cop = CAIRO_OPERATOR_IN;
+ break;
+ case wxCOMPOSITION_OUT:
+ cop = CAIRO_OPERATOR_OUT;
+ break;
+ case wxCOMPOSITION_ATOP:
+ cop = CAIRO_OPERATOR_ATOP;
+ break;
+ case wxCOMPOSITION_DEST:
+ cop = CAIRO_OPERATOR_DEST;
+ break;
+ case wxCOMPOSITION_DEST_OVER:
+ cop = CAIRO_OPERATOR_DEST_OVER;
+ break;
+ case wxCOMPOSITION_DEST_IN:
+ cop = CAIRO_OPERATOR_DEST_IN;
+ break;
+ case wxCOMPOSITION_DEST_OUT:
+ cop = CAIRO_OPERATOR_DEST_OUT;
+ break;
+ case wxCOMPOSITION_DEST_ATOP:
+ cop = CAIRO_OPERATOR_DEST_ATOP;
+ break;
+ case wxCOMPOSITION_XOR:
+ cop = CAIRO_OPERATOR_XOR;
+ break;
+ case wxCOMPOSITION_ADD:
+ cop = CAIRO_OPERATOR_ADD;
+ break;
+ default:
+ return false;
+ }
+ cairo_set_operator(m_context, cop);
+ return true;
+}
+
+void wxCairoContext::BeginLayer(wxDouble opacity)
+{
+ m_layerOpacities.push_back(opacity);
+ cairo_push_group(m_context);
+}
+
+void wxCairoContext::EndLayer()
+{
+ float opacity = m_layerOpacities.back();
+ m_layerOpacities.pop_back();
+ cairo_pop_group_to_source(m_context);
+ cairo_paint_with_alpha(m_context,opacity);
+}
+
//-----------------------------------------------------------------------------
// wxCairoRenderer declaration
//-----------------------------------------------------------------------------
// Matrix
- virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
+ virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
wxDouble tx=0.0, wxDouble ty=0.0);
virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ;
// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
- virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
+ virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
const wxColour&c1, const wxColour&c2) ;
- // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
+ // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
// with radius r and color cColor
virtual wxGraphicsBrush CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
const wxColour &oColor, const wxColour &cColor) ;
virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
// create a native bitmap representation
-#if 0
- virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap )
- {
- return wxGraphicsBitmap;
- }
-
+ virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap );
+
+ // create a graphics bitmap from a native bitmap
+ virtual wxGraphicsBitmap CreateBitmapFromNativeBitmap( void* bitmap );
+
// create a subimage from a native image representation
- virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
- {
- return wxGraphicsBitmap;
- }
-#endif
+ virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
private :
DECLARE_DYNAMIC_CLASS_NO_COPY(wxCairoRenderer)
wxGraphicsContext * wxCairoRenderer::CreateMeasuringContext()
{
+#ifdef __WXGTK__
+ return CreateContextFromNativeWindow(gdk_get_default_root_window());
+#endif
return NULL;
// TODO
}
// Matrix
-wxGraphicsMatrix wxCairoRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d,
+wxGraphicsMatrix wxCairoRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d,
wxDouble tx, wxDouble ty)
{
return m;
}
-wxGraphicsPen wxCairoRenderer::CreatePen(const wxPen& pen)
+wxGraphicsPen wxCairoRenderer::CreatePen(const wxPen& pen)
{
- if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT )
+ if ( !pen.Ok() || pen.GetStyle() == wxPENSTYLE_TRANSPARENT )
return wxNullGraphicsPen;
else
{
}
}
-wxGraphicsBrush wxCairoRenderer::CreateBrush(const wxBrush& brush )
+wxGraphicsBrush wxCairoRenderer::CreateBrush(const wxBrush& brush )
{
- if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT )
+ if ( !brush.Ok() || brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT )
return wxNullGraphicsBrush;
else
{
}
// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
-wxGraphicsBrush wxCairoRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
- const wxColour&c1, const wxColour&c2)
+wxGraphicsBrush wxCairoRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
+ const wxColour&c1, const wxColour&c2)
{
wxGraphicsBrush p;
wxCairoBrushData* d = new wxCairoBrushData( this );
return p;
}
-// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
+// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
// with radius r and color cColor
wxGraphicsBrush wxCairoRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
- const wxColour &oColor, const wxColour &cColor)
+ const wxColour &oColor, const wxColour &cColor)
{
wxGraphicsBrush p;
wxCairoBrushData* d = new wxCairoBrushData( this );
}
// sets the font
-wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour &col )
+wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour &col )
{
if ( font.Ok() )
- {
+ {
wxGraphicsFont p;
p.SetRefData(new wxCairoFontData( this , font, col ));
return p;
return wxNullGraphicsFont;
}
+wxGraphicsBitmap wxCairoRenderer::CreateBitmap( const wxBitmap& bmp )
+{
+ if ( bmp.Ok() )
+ {
+ wxGraphicsBitmap p;
+ p.SetRefData(new wxCairoBitmapData( this , bmp ));
+ return p;
+ }
+ else
+ return wxNullGraphicsBitmap;
+}
+
+wxGraphicsBitmap wxCairoRenderer::CreateBitmapFromNativeBitmap( void* bitmap )
+{
+ if ( bitmap != NULL )
+ {
+ wxGraphicsBitmap p;
+ p.SetRefData(new wxCairoBitmapData( this , (cairo_surface_t*) bitmap ));
+ return p;
+ }
+ else
+ return wxNullGraphicsBitmap;
+}
+
+wxGraphicsBitmap
+wxCairoRenderer::CreateSubBitmap(const wxGraphicsBitmap& WXUNUSED(bitmap),
+ wxDouble WXUNUSED(x),
+ wxDouble WXUNUSED(y),
+ wxDouble WXUNUSED(w),
+ wxDouble WXUNUSED(h))
+{
+ wxFAIL_MSG("wxCairoRenderer::CreateSubBitmap is not implemented.");
+ return wxNullGraphicsBitmap;
+}
+
#endif // wxUSE_GRAPHICS_CONTEXT
projects / wxWidgets.git / blobdiff