#if wxUSE_GRAPHICS_CONTEXT
+#include "wx/graphics.h"
+
+#if wxUSE_CAIRO
+
+#include "wx/cairo.h"
+
#ifndef WX_PRECOMP
#include "wx/bitmap.h"
#include "wx/icon.h"
-
- #include "wx/dc.h"
#include "wx/dcclient.h"
#include "wx/dcmemory.h"
#include "wx/dcprint.h"
+ #ifdef __WXGTK__
+ #include "wx/window.h"
+ #endif
#endif
#include "wx/private/graphics.h"
#include "wx/rawbmp.h"
+#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
//
#endif
#include <cairo.h>
+#ifdef __WXMSW__
+#include <cairo-win32.h>
+#endif
+
#ifdef __WXGTK__
#include <gtk/gtk.h>
#include "wx/fontutil.h"
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,
- const wxColour&c1, const wxColour&c2 );
- void CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
- const wxColour &oColor, const wxColour &cColor );
+
+ void CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+ wxDouble x2, wxDouble y2,
+ const wxGraphicsGradientStops& stops);
+ void CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+ wxDouble xc, wxDouble yc, wxDouble radius,
+ const wxGraphicsGradientStops& stops);
protected:
virtual void Init();
+ // common part of Create{Linear,Radial}GradientBrush()
+ void AddGradientStops(const wxGraphicsGradientStops& stops);
+
private :
double m_red;
double m_green;
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;
cairo_font_slant_t m_slant;
cairo_font_weight_t m_weight;
#endif
+#ifdef __WXMSW__
+ wxCairoContext( wxGraphicsRenderer* renderer, HDC context );
+#endif
+};
+
+class wxCairoBitmapData : public wxGraphicsObjectRefData
+{
+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
virtual bool ShouldOffset() const
{
+ if ( !m_enableOffset )
+ return false;
+
int penwidth = 0 ;
if ( !m_pen.IsNull() )
{
}
virtual void Clip( const wxRegion ®ion );
+#ifdef __WXMSW__
+ cairo_surface_t* m_mswSurface;
+#endif
// clips drawings to the rect
virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
virtual void * GetNativeContext();
- virtual bool SetLogicalFunction( wxRasterOperationMode function );
+ 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 , wxPolygonFillMode fillStyle = wxWINDING_RULE );
// 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();
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);
- virtual void DoDrawText( const wxString &str, wxDouble x, wxDouble y );
-
cairo_t* m_context;
- DECLARE_NO_COPY_CLASS(wxCairoContext)
+ wxVector<float> m_layerOpacities;
+
+ wxDECLARE_NO_COPY_CLASS(wxCairoContext);
};
//-----------------------------------------------------------------------------
}
}
-void wxCairoBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
- const wxColour&c1, const wxColour&c2 )
+void wxCairoBrushData::AddGradientStops(const wxGraphicsGradientStops& stops)
+{
+ // loop over all the stops, they include the beginning and ending ones
+ const unsigned numStops = stops.GetCount();
+ for ( unsigned n = 0; n < numStops; n++ )
+ {
+ const wxGraphicsGradientStop stop = stops.Item(n);
+
+ const wxColour col = stop.GetColour();
+
+ cairo_pattern_add_color_stop_rgba
+ (
+ m_brushPattern,
+ stop.GetPosition(),
+ col.Red()/255.0,
+ col.Green()/255.0,
+ col.Blue()/255.0,
+ col.Alpha()/255.0
+ );
+ }
+
+ wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS,
+ wxT("Couldn't create cairo pattern"));
+}
+
+void
+wxCairoBrushData::CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+ wxDouble x2, wxDouble y2,
+ const wxGraphicsGradientStops& stops)
{
m_brushPattern = cairo_pattern_create_linear(x1,y1,x2,y2);
- cairo_pattern_add_color_stop_rgba(m_brushPattern,0.0,c1.Red()/255.0,
- c1.Green()/255.0, c1.Blue()/255.0,c1.Alpha()/255.0);
- cairo_pattern_add_color_stop_rgba(m_brushPattern,1.0,c2.Red()/255.0,
- c2.Green()/255.0, c2.Blue()/255.0,c2.Alpha()/255.0);
- wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS, wxT("Couldn't create cairo pattern"));
+
+ AddGradientStops(stops);
}
-void wxCairoBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
- const wxColour &oColor, const wxColour &cColor )
+void
+wxCairoBrushData::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+ wxDouble xc, wxDouble yc,
+ wxDouble radius,
+ const wxGraphicsGradientStops& stops)
{
m_brushPattern = cairo_pattern_create_radial(xo,yo,0.0,xc,yc,radius);
- cairo_pattern_add_color_stop_rgba(m_brushPattern,0.0,oColor.Red()/255.0,
- oColor.Green()/255.0, oColor.Blue()/255.0,oColor.Alpha()/255.0);
- cairo_pattern_add_color_stop_rgba(m_brushPattern,1.0,cColor.Red()/255.0,
- cColor.Green()/255.0, cColor.Blue()/255.0,cColor.Alpha()/255.0);
- wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS, wxT("Couldn't create cairo pattern"));
+
+ AddGradientStops(stops);
}
void wxCairoBrushData::Init()
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
cairo_set_font_face(ctext, m_font);
cairo_set_font_size(ctext, m_size );
#else
- cairo_select_font_face(ctext, m_fontName, m_slant, m_weights );
+ cairo_select_font_face(ctext, m_fontName, m_slant, m_weight );
cairo_set_font_size(ctext, m_size );
#endif
}
}
}
-bool wxCairoPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode WXUNUSED(fillStyle) ) const
+bool wxCairoPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle ) const
{
- return cairo_in_stroke( m_pathContext, x, y) != 0;
+ cairo_set_fill_rule(m_pathContext,fillStyle==wxODDEVEN_RULE ? CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING);
+ return cairo_in_fill( m_pathContext, x, y) != 0;
}
//-----------------------------------------------------------------------------
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"));
+
+#ifdef wxHAS_RAW_BITMAP
+ int bw = m_width = bmp.GetWidth();
+ int bh = m_height = 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);
+#endif // wxHAS_RAW_BITMAP
+}
+
+wxCairoBitmapData::~wxCairoBitmapData()
+{
+ if (m_pattern)
+ cairo_pattern_destroy(m_pattern);
+
+ if (m_surface)
+ cairo_surface_destroy(m_surface);
+
+ delete [] m_buffer;
+}
+
+
+
//-----------------------------------------------------------------------------
// wxCairoContext implementation
//-----------------------------------------------------------------------------
const wxDCImpl *impl = dc.GetImpl();
Init( (cairo_t*) impl->GetCairoContext() );
+ wxSize sz = dc.GetSize();
+ m_width = sz.x;
+ m_height = sz.y;
+
wxPoint org = dc.GetDeviceOrigin();
cairo_translate( m_context, org.x, org.y );
wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc )
: wxGraphicsContext(renderer)
{
+ int width, height;
+ dc.GetSize( &width, &height );
+ m_width = width;
+ m_height = height;
+
+ m_enableOffset = true;
+
#ifdef __WXGTK20__
wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
#endif
#ifdef __WXMAC__
- int width, height;
- dc.GetSize( &width, &height );
CGContextRef cgcontext = (CGContextRef)dc.GetWindow()->MacGetCGContextRef();
cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(cgcontext, width, height);
Init( cairo_create( surface ) );
wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc )
: wxGraphicsContext(renderer)
{
+ int width, height;
+ dc.GetSize( &width, &height );
+ m_width = width;
+ m_height = height;
+
+ m_enableOffset = true;
+
#ifdef __WXGTK20__
wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
#endif
#ifdef __WXMAC__
- int width, height;
- dc.GetSize( &width, &height );
CGContextRef cgcontext = (CGContextRef)dc.GetWindow()->MacGetCGContextRef();
cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(cgcontext, width, height);
Init( cairo_create( surface ) );
: wxGraphicsContext(renderer)
{
Init( gdk_cairo_create( drawable ) );
+
+ int width, height;
+ gdk_drawable_get_size( drawable, &width, &height );
+ m_width = width;
+ m_height = height;
}
#endif
+#ifdef __WXMSW__
+wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, HDC handle )
+: wxGraphicsContext(renderer)
+{
+ m_mswSurface = cairo_win32_surface_create(handle);
+ Init( cairo_create(m_mswSurface) );
+ m_width =
+ m_height = 0;
+}
+#endif
+
+
wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, cairo_t *context )
: wxGraphicsContext(renderer)
{
Init( context );
+ m_width =
+ m_height = 0;
}
wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window)
: wxGraphicsContext(renderer)
{
+ m_enableOffset = true;
#ifdef __WXGTK__
// something along these lines (copied from dcclient)
wxASSERT_MSG( window->m_wxwindow, wxT("wxCairoContext needs a widget") );
Init(gdk_cairo_create(window->GTKGetDrawingWindow()));
+
+ wxSize sz = window->GetSize();
+ m_width = sz.x;
+ m_height = sz.y;
#endif
}
if ( m_context )
{
PopState();
+#ifdef __WXMSW__
+ m_mswSurface = cairo_win32_surface_create((HDC)window->GetHandle());
+ m_context = cairo_create(m_mswSurface);
+#endif
PopState();
cairo_destroy(m_context);
}
+#ifdef __WXMSW__
+ if ( m_mswSurface )
+ cairo_surface_destroy(m_mswSurface);
+#endif
}
void wxCairoContext::Init(cairo_t *context)
void wxCairoContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
{
- wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap"));
-
- 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);
- }
- }
+ wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp);
+ DrawBitmap(bitmap, x, y, w, h);
+}
+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;
- cairo_scale(m_context, scaleX, scaleY);
+ 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();
// prepare to draw the image
cairo_translate(m_context, x, y);
+ cairo_scale(m_context, scaleX, scaleY);
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();
}
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);
return m_context;
}
-// Cairo doesn't support bitwise logical function (a.k.a. ROP, raster output
-// mode). Cairo supports Porter-Duff compositing operators, but they are quite
-// different, although in some cases have similar names.
-bool wxCairoContext::SetLogicalFunction( wxRasterOperationMode function )
+bool wxCairoContext::SetAntialiasMode(wxAntialiasMode antialias)
{
- if (m_logicalFunction == function)
+ if (m_antialias == antialias)
return true;
- cairo_operator_t op;
+ 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;
- switch ( function )
+ m_composition = op;
+ cairo_operator_t cop;
+ switch (op)
{
- case wxCOPY: // (default) src
- op = CAIRO_OPERATOR_OVER; // (also default)
+ case wxCOMPOSITION_CLEAR:
+ cop = CAIRO_OPERATOR_CLEAR;
break;
- case wxOR: // src OR dst
- op = CAIRO_OPERATOR_ADD;
+ case wxCOMPOSITION_SOURCE:
+ cop = CAIRO_OPERATOR_SOURCE;
break;
- case wxNO_OP: // dst
- op = CAIRO_OPERATOR_DEST; // ignore the source
+ case wxCOMPOSITION_OVER:
+ cop = CAIRO_OPERATOR_OVER;
break;
- case wxCLEAR: // 0
- op = CAIRO_OPERATOR_CLEAR;// clear dst
+ 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;
-
- case wxAND: // src AND dst
- case wxAND_INVERT: // (NOT src) AND dst
- case wxAND_REVERSE:// src AND (NOT dst)
- case wxEQUIV: // (NOT src) XOR dst
- case wxINVERT: // NOT dst
- case wxNAND: // (NOT src) OR (NOT dst)
- case wxNOR: // (NOT src) AND (NOT dst)
- case wxOR_INVERT: // (NOT src) OR dst
- case wxOR_REVERSE: // src OR (NOT dst)
- case wxSET: // 1
- case wxSRC_INVERT: // NOT src
- //wxXOR does _not_ correspond to CAIRO_OPERATOR_XOR
- case wxXOR: // src XOR dst
default:
return false;
}
-
- m_logicalFunction = function;
- cairo_set_operator(m_context, op);
+ 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
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,
- const wxColour&c1, const wxColour&c2) ;
+ virtual wxGraphicsBrush
+ CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+ wxDouble x2, wxDouble y2,
+ const wxGraphicsGradientStops& stops);
- // 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 wxGraphicsBrush
+ CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+ wxDouble xc, wxDouble yc,
+ wxDouble radius,
+ const wxGraphicsGradientStops& stops);
// sets the font
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)
extern wxGraphicsRenderer* gCairoRenderer;
wxGraphicsRenderer* gCairoRenderer = &gs_cairoGraphicsRenderer;
-#ifdef __WXGTK__
-wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
-{
- return &gs_cairoGraphicsRenderer;
-}
-#endif
-
wxGraphicsContext * wxCairoRenderer::CreateContext( const wxWindowDC& dc)
{
return new wxCairoContext(this,dc);
wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeContext( void * context )
{
+#ifdef __WXMSW__
+ return new wxCairoContext(this,(HDC)context);
+#else
return new wxCairoContext(this,(cairo_t*)context);
+#endif
}
wxGraphicsContext * wxCairoRenderer::CreateMeasuringContext()
{
+#ifdef __WXGTK__
+ return CreateContextFromNativeWindow(gdk_get_default_root_window());
+#endif
return NULL;
// TODO
}
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 )
{
- 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 wxGraphicsGradientStops& stops)
{
wxGraphicsBrush p;
wxCairoBrushData* d = new wxCairoBrushData( this );
- d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2);
+ d->CreateLinearGradientBrush(x1, y1, x2, y2, stops);
p.SetRefData(d);
return p;
}
-// 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)
+wxGraphicsBrush
+wxCairoRenderer::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+ wxDouble xc, wxDouble yc, wxDouble r,
+ const wxGraphicsGradientStops& stops)
{
wxGraphicsBrush p;
wxCairoBrushData* d = new wxCairoBrushData( this );
- d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor);
+ d->CreateRadialGradientBrush(xo, yo, xc, yc, r, stops);
p.SetRefData(d);
return p;
}
return wxNullGraphicsFont;
}
-#endif // wxUSE_GRAPHICS_CONTEXT
+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;
+}
+
+wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
+{
+ return &gs_cairoGraphicsRenderer;
+}
+
+#else // !wxUSE_CAIRO
+
+wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
+{
+ return NULL;
+}
+
+#endif // wxUSE_CAIRO/!wxUSE_CAIRO
+
+// MSW and OS X have their own native default renderers, but the other ports
+// use Cairo by default
+#if !(defined(__WXMSW__) || defined(__WXOSX__))
+wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
+{
+ return GetCairoRenderer();
+}
+#endif // !(__WXMSW__ || __WXOSX__)
+
+#endif // wxUSE_GRAPHICS_CONTEXT
projects / wxWidgets.git / blobdiff