X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c0e69d720d8b15f788fe0998806f18c46f7d5d8b..4be0198dcefaf00c7a2c59c541262a39144eb9dc:/src/generic/graphicc.cpp?ds=sidebyside

diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp
index 1634379aee..c7bbf5cbcf 100644
--- a/src/generic/graphicc.cpp
+++ b/src/generic/graphicc.cpp
@@ -15,10 +15,13 @@
     #pragma hdrstop
 #endif
 
-#include "wx/cairo.h"
+#if wxUSE_GRAPHICS_CONTEXT
+
 #include "wx/graphics.h"
 
-#if wxUSE_GRAPHICS_CONTEXT && wxUSE_CAIRO
+#if wxUSE_CAIRO
+
+#include "wx/cairo.h"
 
 #ifndef WX_PRECOMP
     #include "wx/bitmap.h"
@@ -26,6 +29,9 @@
     #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"
@@ -245,14 +251,20 @@ public:
     ~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;
@@ -328,6 +340,9 @@ public:
 
     virtual bool ShouldOffset() const
     {
+        if ( !m_enableOffset )
+            return false;
+        
         int penwidth = 0 ;
         if ( !m_pen.IsNull() )
         {
@@ -680,26 +695,50 @@ void wxCairoBrushData::Apply( wxGraphicsContext* context )
     }
 }
 
-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()
@@ -752,7 +791,7 @@ void wxCairoFontData::Apply( wxGraphicsContext* context )
     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
 }
@@ -896,9 +935,10 @@ void wxCairoPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h)
     }
 }
 
-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;
 }
 
 //-----------------------------------------------------------------------------
@@ -1037,8 +1077,9 @@ wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitm
 {
     wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap"));
 
-    int bw = bmp.GetWidth();
-    int bh = bmp.GetHeight();
+#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;
@@ -1104,16 +1145,17 @@ wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitm
         }
     }
     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;
 }
 
@@ -1150,6 +1192,10 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC&
     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 );
 
@@ -1165,6 +1211,13 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC&
 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() ) );
@@ -1187,8 +1240,6 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC&
 #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 ) );
@@ -1199,6 +1250,13 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC&
 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() ) );
@@ -1221,8 +1279,6 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC&
 #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 ) );
@@ -1235,6 +1291,11 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawa
 : wxGraphicsContext(renderer)
 {
     Init( gdk_cairo_create( drawable ) );
+
+    int width, height;
+    gdk_drawable_get_size( drawable, &width, &height );
+    m_width = width;
+    m_height = height;
 }
 #endif
 
@@ -1243,9 +1304,9 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, HDC handle )
 : wxGraphicsContext(renderer)
 {
     m_mswSurface = cairo_win32_surface_create(handle);
-    m_context = cairo_create(m_mswSurface);
-    PushState();
-    PushState();
+    Init( cairo_create(m_mswSurface) );
+    m_width =
+    m_height = 0;
 }
 #endif
 
@@ -1254,11 +1315,14 @@ 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)
 
@@ -1273,6 +1337,10 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window)
     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
 }
 
@@ -1437,10 +1505,10 @@ void wxCairoContext::DrawBitmap(const wxGraphicsBitmap &bmp, wxDouble x, wxDoubl
 
     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_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, size.GetWidth(), size.GetHeight());
@@ -1732,14 +1800,16 @@ public :
 
     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 ) ;
@@ -1768,13 +1838,6 @@ static wxCairoRenderer gs_cairoGraphicsRenderer;
 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);
@@ -1799,10 +1862,9 @@ wxGraphicsContext * wxCairoRenderer::CreateContext( const wxPrinterDC& dc)
 
 wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeContext( void * context )
 {
-#if __WXMSW__
+#ifdef __WXMSW__
     return new wxCairoContext(this,(HDC)context);
-#endif
-#if __WXGTK__
+#else
     return new wxCairoContext(this,(cairo_t*)context);
 #endif
 }
@@ -1878,25 +1940,26 @@ wxGraphicsBrush wxCairoRenderer::CreateBrush(const wxBrush& brush )
     }
 }
 
-// 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;
 }
@@ -1949,15 +2012,27 @@ wxCairoRenderer::CreateSubBitmap(const wxGraphicsBitmap& WXUNUSED(bitmap),
     return wxNullGraphicsBitmap;
 }
 
-#endif  // wxUSE_GRAPHICS_CONTEXT && wxUSE_CAIRO
-
-#if wxUSE_GRAPHICS_CONTEXT
 wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
 {
-#if wxUSE_CAIRO
     return &gs_cairoGraphicsRenderer;
-#else
+}
+
+#else // !wxUSE_CAIRO
+
+wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
+{
     return NULL;
-#endif
 }
-#endif
+
+#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