#include "wx/wxprec.h"
-#include "wx/dc.h"
-
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
+#include "wx/dc.h"
+
#if wxUSE_GRAPHICS_CONTEXT
#ifndef WX_PRECOMP
#include "wx/dcprint.h"
#endif
+#include "wx/stack.h"
+
#include "wx/private/graphics.h"
#include "wx/msw/wrapgdip.h"
#include "wx/msw/dc.h"
+#if wxUSE_ENH_METAFILE
+ #include "wx/msw/enhmeta.h"
+#endif
+#include "wx/dcgraph.h"
-#include "wx/stack.h"
+#include "wx/msw/private.h" // needs to be before #include <commdlg.h>
+
+#if wxUSE_COMMON_DIALOGS && !defined(__WXMICROWIN__)
+#include <commdlg.h>
+#endif
-WX_DECLARE_STACK(GraphicsState, GraphicsStates);
+namespace
+{
//-----------------------------------------------------------------------------
// constants
// 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; }
+inline double dmin(double a, double b) { return a < b ? a : b; }
+inline double dmax(double a, double b) { return a > b ? a : b; }
+
+inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
+inline double RadToDeg(double deg) { return (deg * 180.0) / M_PI; }
-static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
-static inline double RadToDeg(double deg) { return (deg * 180.0) / M_PI; }
+// translate a wxColour to a Color
+inline Color wxColourToColor(const wxColour& col)
+{
+ return Color(col.Alpha(), col.Red(), col.Green(), col.Blue());
+}
+
+} // anonymous namespace
//-----------------------------------------------------------------------------
// device context implementation
// wxGraphicsPath implementation
//-----------------------------------------------------------------------------
-#include "wx/msw/private.h" // needs to be before #include <commdlg.h>
-
-#if wxUSE_COMMON_DIALOGS && !defined(__WXMICROWIN__)
-#include <commdlg.h>
-#endif
+class wxGDIPlusContext;
class wxGDIPlusPathData : public wxGraphicsPathData
{
wxGDIPlusBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush );
~wxGDIPlusBrushData ();
- 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);
+
virtual Brush* GetGDIPlusBrush() { return m_brush; }
protected:
virtual void Init();
-private :
+private:
+ // common part of Create{Linear,Radial}GradientBrush()
+ template <typename T>
+ void SetGradientStops(T *brush, const wxGraphicsGradientStops& stops);
+
Brush* m_brush;
Image* m_brushImage;
GraphicsPath* m_brushPath;
class wxGDIPlusFontData : public wxGraphicsObjectRefData
{
public:
- wxGDIPlusFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col );
+ wxGDIPlusFontData( wxGraphicsRenderer* renderer,
+ const wxGDIPlusContext* gc,
+ const wxFont &font,
+ const wxColour& col );
~wxGDIPlusFontData();
virtual Brush* GetGDIPlusBrush() { return m_textBrush; }
class wxGDIPlusContext : public wxGraphicsContext
{
public:
- wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc , wxDouble width, wxDouble height );
+ wxGDIPlusContext( wxGraphicsRenderer* renderer, const wxDC& dc );
+ wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc, wxDouble width, wxDouble height );
wxGDIPlusContext( wxGraphicsRenderer* renderer, HWND hwnd );
wxGDIPlusContext( wxGraphicsRenderer* renderer, Graphics* gr);
wxGDIPlusContext();
virtual void StrokePath( const wxGraphicsPath& p );
virtual void FillPath( const wxGraphicsPath& p , wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
- // stroke lines connecting each of the points
+ virtual void DrawRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+
+ // stroke lines connecting each of the points
virtual void StrokeLines( size_t n, const wxPoint2DDouble *points);
// draws a polygon
virtual bool SetAntialiasMode(wxAntialiasMode antialias);
+ virtual bool SetInterpolationQuality(wxInterpolationQuality interpolation);
+
virtual bool SetCompositionMode(wxCompositionMode op);
virtual void BeginLayer(wxDouble opacity);
virtual void EndLayer();
-
+
virtual void Translate( wxDouble dx , wxDouble dy );
virtual void Scale( wxDouble xScale , wxDouble yScale );
virtual void Rotate( wxDouble angle );
virtual void PushState();
virtual void PopState();
+ // sets the font of this context
+ virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) const;
+
virtual void GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
wxDouble *descent, wxDouble *externalLeading ) const;
virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
virtual bool ShouldOffset() const;
virtual void GetSize( wxDouble* width, wxDouble *height );
+ Graphics* GetGraphics() const { return m_context; }
+
+protected:
+
+ wxDouble m_fontScaleRatio;
+
private:
void Init();
void SetDefaults();
const wxGraphicsBrush& backgroundBrush);
Graphics* m_context;
- GraphicsStates m_stateStack;
+ wxStack<GraphicsState> m_stateStack;
GraphicsState m_state1;
GraphicsState m_state2;
- wxDouble m_width;
- wxDouble m_height;
-
DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusContext)
};
-class WXDLLIMPEXP_CORE wxGDIPlusMeasuringContext : public wxGDIPlusContext
+class wxGDIPlusMeasuringContext : public wxGDIPlusContext
{
public:
wxGDIPlusMeasuringContext( wxGraphicsRenderer* renderer ) : wxGDIPlusContext( renderer , m_hdc = GetDC(NULL), 1000, 1000 )
DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusMeasuringContext)
} ;
+class wxGDIPlusPrintingContext : public wxGDIPlusContext
+{
+public:
+ wxGDIPlusPrintingContext( wxGraphicsRenderer* renderer, const wxDC& dc );
+ virtual ~wxGDIPlusPrintingContext() { }
+protected:
+};
+
+//-----------------------------------------------------------------------------
+// wxGDIPlusRenderer declaration
+//-----------------------------------------------------------------------------
+
+class wxGDIPlusRenderer : public wxGraphicsRenderer
+{
+public :
+ wxGDIPlusRenderer()
+ {
+ m_loaded = -1;
+ m_gditoken = 0;
+ }
+
+ virtual ~wxGDIPlusRenderer()
+ {
+ if ( m_loaded == 1 )
+ {
+ Unload();
+ }
+ }
+
+ // Context
+
+ virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
+
+ virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);
+
+#if wxUSE_PRINTING_ARCHITECTURE
+ virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc);
+#endif
+
+#if wxUSE_ENH_METAFILE
+ virtual wxGraphicsContext * CreateContext( const wxEnhMetaFileDC& dc);
+#endif
+
+ virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
+
+ virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
+
+ virtual wxGraphicsContext * CreateContext( wxWindow* window );
+
+ virtual wxGraphicsContext * CreateMeasuringContext();
+
+ // Path
+
+ virtual wxGraphicsPath CreatePath();
+
+ // Matrix
+
+ 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 wxGraphicsPen CreatePen(const wxPen& pen) ;
+
+ virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ;
+
+ virtual wxGraphicsBrush
+ CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+ wxDouble x2, wxDouble y2,
+ const wxGraphicsGradientStops& stops);
+
+ virtual wxGraphicsBrush
+ CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+ wxDouble xc, wxDouble yc,
+ wxDouble radius,
+ const wxGraphicsGradientStops& stops);
+
+ // create a native bitmap representation
+ virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap );
+
+ // stub: should not be called directly
+ virtual wxGraphicsFont CreateFont( const wxFont& WXUNUSED(font),
+ const wxColour& WXUNUSED(col) )
+ { wxFAIL; return wxNullGraphicsFont; }
+
+ // this is used to really create the font
+ wxGraphicsFont CreateGDIPlusFont( const wxGDIPlusContext* gc,
+ const wxFont &font,
+ const wxColour &col );
+
+ // 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 );
+
+protected :
+ bool EnsureIsLoaded();
+ void Load();
+ void Unload();
+ friend class wxGDIPlusRendererModule;
+
+private :
+ int m_loaded;
+ ULONG_PTR m_gditoken;
+
+ DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusRenderer)
+} ;
+
//-----------------------------------------------------------------------------
// wxGDIPlusPen implementation
//-----------------------------------------------------------------------------
if (m_width <= 0.0)
m_width = 0.1;
- m_pen = new Pen(Color( pen.GetColour().Alpha() , pen.GetColour().Red() ,
- pen.GetColour().Green() , pen.GetColour().Blue() ), m_width );
+ m_pen = new Pen(wxColourToColor(pen.GetColour()), m_width );
LineCap cap;
switch ( pen.GetCap() )
DashStyle dashStyle = DashStyleSolid;
switch ( pen.GetStyle() )
{
- case wxSOLID :
+ case wxPENSTYLE_SOLID :
break;
- case wxDOT :
+ case wxPENSTYLE_DOT :
dashStyle = DashStyleDot;
break;
- case wxLONG_DASH :
+ case wxPENSTYLE_LONG_DASH :
dashStyle = DashStyleDash; // TODO verify
break;
- case wxSHORT_DASH :
+ case wxPENSTYLE_SHORT_DASH :
dashStyle = DashStyleDash;
break;
- case wxDOT_DASH :
+ case wxPENSTYLE_DOT_DASH :
dashStyle = DashStyleDashDot;
break;
- case wxUSER_DASH :
+ case wxPENSTYLE_USER_DASH :
{
dashStyle = DashStyleCustom;
wxDash *dashes;
}
}
break;
- case wxSTIPPLE :
+ case wxPENSTYLE_STIPPLE :
{
wxBitmap* bmp = pen.GetStipple();
- if ( bmp && bmp->Ok() )
+ if ( bmp && bmp->IsOk() )
{
- m_penImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),(HPALETTE)bmp->GetPalette()->GetHPALETTE());
+ m_penImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),
+#if wxUSE_PALETTE
+ (HPALETTE)bmp->GetPalette()->GetHPALETTE()
+#else
+ NULL
+#endif
+ );
m_penBrush = new TextureBrush(m_penImage);
m_pen->SetBrush( m_penBrush );
}
}
break;
default :
- if ( pen.GetStyle() >= wxFIRST_HATCH && pen.GetStyle() <= wxLAST_HATCH )
+ if ( pen.GetStyle() >= wxPENSTYLE_FIRST_HATCH &&
+ pen.GetStyle() <= wxPENSTYLE_LAST_HATCH )
{
- HatchStyle style = HatchStyleHorizontal;
+ HatchStyle style;
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 ;
-
+ default:
+ style = HatchStyleHorizontal;
}
- m_penBrush = new HatchBrush(style,Color( pen.GetColour().Alpha() , pen.GetColour().Red() ,
- pen.GetColour().Green() , pen.GetColour().Blue() ), Color::Transparent );
+ m_penBrush = new HatchBrush
+ (
+ style,
+ wxColourToColor(pen.GetColour()),
+ Color::Transparent
+ );
m_pen->SetBrush( m_penBrush );
}
break;
Init();
if ( brush.GetStyle() == wxSOLID)
{
- m_brush = new SolidBrush( Color( brush.GetColour().Alpha() , brush.GetColour().Red() ,
- brush.GetColour().Green() , brush.GetColour().Blue() ) );
+ m_brush = new SolidBrush(wxColourToColor( brush.GetColour()));
}
else if ( brush.IsHatch() )
{
- HatchStyle style = HatchStyleHorizontal;
+ HatchStyle style;
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 ;
-
+ default:
+ style = HatchStyleHorizontal;
}
- m_brush = new HatchBrush(style,Color( brush.GetColour().Alpha() , brush.GetColour().Red() ,
- brush.GetColour().Green() , brush.GetColour().Blue() ), Color::Transparent );
+ m_brush = new HatchBrush
+ (
+ style,
+ wxColourToColor(brush.GetColour()),
+ Color::Transparent
+ );
}
else
{
wxBitmap* bmp = brush.GetStipple();
- if ( bmp && bmp->Ok() )
+ if ( bmp && bmp->IsOk() )
{
wxDELETE( m_brushImage );
- m_brushImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),(HPALETTE)bmp->GetPalette()->GetHPALETTE());
+ m_brushImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),
+#if wxUSE_PALETTE
+ (HPALETTE)bmp->GetPalette()->GetHPALETTE()
+#else
+ NULL
+#endif
+ );
m_brush = new TextureBrush(m_brushImage);
}
}
m_brushPath= NULL;
}
-void wxGDIPlusBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2)
+template <typename T>
+void
+wxGDIPlusBrushData::SetGradientStops(T *brush,
+ const wxGraphicsGradientStops& stops)
+{
+ const unsigned numStops = stops.GetCount();
+ if ( numStops <= 2 )
+ {
+ // initial and final colours are set during the brush creation, nothing
+ // more to do
+ return;
+ }
+
+ wxVector<Color> colors(numStops);
+ wxVector<REAL> positions(numStops);
+
+ for ( unsigned i = 0; i < numStops; i++ )
+ {
+ wxGraphicsGradientStop stop = stops.Item(i);
+
+ colors[i] = wxColourToColor(stop.GetColour());
+ positions[i] = stop.GetPosition();
+ }
+
+ brush->SetInterpolationColors(&colors[0], &positions[0], numStops);
+}
+
+void
+wxGDIPlusBrushData::CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+ wxDouble x2, wxDouble y2,
+ const wxGraphicsGradientStops& stops)
{
- m_brush = new LinearGradientBrush( PointF( x1,y1) , PointF( x2,y2),
- Color( c1.Alpha(), c1.Red(),c1.Green() , c1.Blue() ),
- Color( c2.Alpha(), c2.Red(),c2.Green() , c2.Blue() ));
+ LinearGradientBrush * const
+ brush = new LinearGradientBrush(PointF(x1, y1) , PointF(x2, y2),
+ wxColourToColor(stops.GetStartColour()),
+ wxColourToColor(stops.GetEndColour()));
+ m_brush = brush;
+
+ SetGradientStops(brush, stops);
}
-void wxGDIPlusBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
- const wxColour &oColor, const wxColour &cColor)
+void
+wxGDIPlusBrushData::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+ wxDouble xc, wxDouble yc,
+ wxDouble radius,
+ const wxGraphicsGradientStops& stops)
{
- // Create a path that consists of a single circle.
m_brushPath = new GraphicsPath();
- m_brushPath->AddEllipse( (REAL)(xc-radius), (REAL)(yc-radius), (REAL)(2*radius), (REAL)(2*radius));
+ m_brushPath->AddEllipse( (REAL)(xc-radius), (REAL)(yc-radius),
+ (REAL)(2*radius), (REAL)(2*radius));
- PathGradientBrush *b = new PathGradientBrush(m_brushPath);
- m_brush = b;
- b->SetCenterPoint( PointF(xo,yo));
- b->SetCenterColor(Color( oColor.Alpha(), oColor.Red(),oColor.Green() , oColor.Blue() ));
+ PathGradientBrush * const brush = new PathGradientBrush(m_brushPath);
+ m_brush = brush;
+ brush->SetCenterPoint(PointF(xo, yo));
+ brush->SetCenterColor(wxColourToColor(stops.GetStartColour()));
- Color colors[] = {Color( cColor.Alpha(), cColor.Red(),cColor.Green() , cColor.Blue() )};
+ const Color col(wxColourToColor(stops.GetEndColour()));
int count = 1;
- b->SetSurroundColors(colors, &count);
+ brush->SetSurroundColors(&col, &count);
+
+ SetGradientStops(brush, stops);
}
//-----------------------------------------------------------------------------
// wxGDIPlusFont implementation
//-----------------------------------------------------------------------------
-wxGDIPlusFontData::wxGDIPlusFontData( wxGraphicsRenderer* renderer, const wxFont &font,
- const wxColour& col ) : wxGraphicsObjectRefData( renderer )
+wxGDIPlusFontData::wxGDIPlusFontData( wxGraphicsRenderer* renderer,
+ const wxGDIPlusContext* gc,
+ const wxFont &font,
+ const wxColour& col )
+ : wxGraphicsObjectRefData( renderer )
{
- m_textBrush = NULL;
- m_font = NULL;
-
wxWCharBuffer s = font.GetFaceName().wc_str( *wxConvUI );
- int size = font.GetPointSize();
int style = FontStyleRegular;
if ( font.GetStyle() == wxFONTSTYLE_ITALIC )
style |= FontStyleItalic;
style |= FontStyleUnderline;
if ( font.GetWeight() == wxFONTWEIGHT_BOLD )
style |= FontStyleBold;
- m_font = new Font( s , size , style );
- m_textBrush = new SolidBrush( Color( col.Alpha() , col.Red() ,
- col.Green() , col.Blue() ));
+
+ Graphics* context = gc->GetGraphics();
+
+ Unit fontUnit = context->GetPageUnit();
+ // if fontUnit is UnitDisplay, then specify UnitPixel, otherwise
+ // you'll get a "InvalidParameter" from GDI+
+ if ( fontUnit == UnitDisplay )
+ fontUnit = UnitPixel;
+
+ REAL points = font.GetPointSize();
+
+ // This scaling is needed when we use unit other than the
+ // default UnitPoint. It works for both display and printing.
+ REAL size = points * (100.0 / 72.0);
+
+ // NB: font unit should match context's unit. We can use UnitPixel,
+ // as that is what the print context should use.
+ m_font = new Font( s, size, style, fontUnit );
+
+ m_textBrush = new SolidBrush(wxColourToColor(col));
}
wxGDIPlusFontData::~wxGDIPlusFontData()
Bitmap* image = NULL;
if ( bmp.GetMask() )
{
- Bitmap interim((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE()) ;
+ Bitmap interim((HBITMAP)bmp.GetHBITMAP(),
+#if wxUSE_PALETTE
+ (HPALETTE)bmp.GetPalette()->GetHPALETTE()
+#else
+ NULL
+#endif
+ );
size_t width = interim.GetWidth();
size_t height = interim.GetHeight();
}
else
{
- image = Bitmap::FromHBITMAP((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE());
+ image = Bitmap::FromHBITMAP((HBITMAP)bmp.GetHBITMAP(),
+#if wxUSE_PALETTE
+ (HPALETTE)bmp.GetPalette()->GetHPALETTE()
+#else
+ NULL
+#endif
+ );
if ( bmp.HasAlpha() && GetPixelFormatSize(image->GetPixelFormat()) == 32 )
{
size_t width = image->GetWidth();
// add the rotation to this matrix (radians)
void wxGDIPlusMatrixData::Rotate( wxDouble angle )
{
- m_matrix->Rotate( angle );
+ m_matrix->Rotate( RadToDeg(angle) );
}
//
SetDefaults();
}
+wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, const wxDC& dc )
+ : wxGraphicsContext(renderer)
+{
+ Init();
+
+ wxMSWDCImpl *msw = wxDynamicCast( dc.GetImpl() , wxMSWDCImpl );
+ HDC hdc = (HDC) msw->GetHDC();
+
+ m_context = new Graphics(hdc);
+ wxSize sz = dc.GetSize();
+ m_width = sz.x;
+ m_height = sz.y;
+
+ SetDefaults();
+}
+
wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, HWND hwnd )
: wxGraphicsContext(renderer)
{
Init();
+ m_enableOffset = true;
m_context = new Graphics( hwnd);
RECT rect = wxGetWindowRect(hwnd);
m_width = rect.right - rect.left;
m_state2= 0;
m_height = 0;
m_width = 0;
+ m_fontScaleRatio = 1.0;
}
void wxGDIPlusContext::SetDefaults()
m_context->ResetClip();
}
+void wxGDIPlusContext::DrawRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
+ if (m_composition == wxCOMPOSITION_DEST)
+ return;
+
+ wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() );
+ Brush *brush = m_brush.IsNull() ? NULL : ((wxGDIPlusBrushData*)m_brush.GetRefData())->GetGDIPlusBrush();
+ Pen *pen = m_pen.IsNull() ? NULL : ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen();
+
+ if ( brush )
+ {
+ // the offset is used to fill only the inside of the rectangle and not paint underneath
+ // its border which may influence a transparent Pen
+ REAL offset = 0;
+ if ( pen )
+ offset = pen->GetWidth();
+ m_context->FillRectangle( brush, (REAL)x + offset/2, (REAL)y + offset/2, (REAL)w - offset, (REAL)h - offset);
+ }
+
+ if ( pen )
+ {
+ m_context->DrawRectangle( pen, (REAL)x, (REAL)y, (REAL)w, (REAL)h );
+ }
+}
+
void wxGDIPlusContext::StrokeLines( size_t n, const wxPoint2DDouble *points)
{
if (m_composition == wxCOMPOSITION_DEST)
return;
- if ( !m_pen.IsNull() )
- {
- wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() );
- Point *cpoints = new Point[n];
- for (size_t i = 0; i < n; i++)
- {
- cpoints[i].X = (int)(points[i].m_x );
- cpoints[i].Y = (int)(points[i].m_y );
-
- } // for (size_t i = 0; i < n; i++)
- m_context->DrawLines( ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen() , cpoints , n ) ;
- delete[] cpoints;
- }
+ if ( !m_pen.IsNull() )
+ {
+ wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() );
+ Point *cpoints = new Point[n];
+ for (size_t i = 0; i < n; i++)
+ {
+ cpoints[i].X = (int)(points[i].m_x );
+ cpoints[i].Y = (int)(points[i].m_y );
+
+ } // for (size_t i = 0; i < n; i++)
+ m_context->DrawLines( ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen() , cpoints , n ) ;
+ delete[] cpoints;
+ }
}
void wxGDIPlusContext::DrawLines( size_t n, const wxPoint2DDouble *points, wxPolygonFillMode WXUNUSED(fillStyle) )
return;
wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() );
- Point *cpoints = new Point[n];
- for (size_t i = 0; i < n; i++)
- {
- cpoints[i].X = (int)(points[i].m_x );
- cpoints[i].Y = (int)(points[i].m_y );
+ Point *cpoints = new Point[n];
+ for (size_t i = 0; i < n; i++)
+ {
+ cpoints[i].X = (int)(points[i].m_x );
+ cpoints[i].Y = (int)(points[i].m_y );
- } // for (int i = 0; i < n; i++)
- if ( !m_brush.IsNull() )
- m_context->FillPolygon( ((wxGDIPlusBrushData*)m_brush.GetRefData())->GetGDIPlusBrush() , cpoints , n ) ;
- if ( !m_pen.IsNull() )
- m_context->DrawLines( ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen() , cpoints , n ) ;
- delete[] cpoints;
+ } // for (int i = 0; i < n; i++)
+ if ( !m_brush.IsNull() )
+ m_context->FillPolygon( ((wxGDIPlusBrushData*)m_brush.GetRefData())->GetGDIPlusBrush() , cpoints , n ) ;
+ if ( !m_pen.IsNull() )
+ m_context->DrawLines( ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen() , cpoints , n ) ;
+ delete[] cpoints;
}
void wxGDIPlusContext::StrokePath( const wxGraphicsPath& path )
{
if (m_antialias == antialias)
return true;
-
+
m_antialias = antialias;
-
+
SmoothingMode antialiasMode;
switch (antialias)
{
return true;
}
+bool wxGDIPlusContext::SetInterpolationQuality(wxInterpolationQuality WXUNUSED(interpolation))
+{
+ // placeholder
+ return false;
+}
+
bool wxGDIPlusContext::SetCompositionMode(wxCompositionMode op)
{
if ( m_composition == op )
return true;
-
+
m_composition = op;
-
+
if (m_composition == wxCOMPOSITION_DEST)
return true;
void wxGDIPlusContext::EndLayer()
{
// TODO
-}
+}
void wxGDIPlusContext::Rotate( wxDouble angle )
{
void wxGDIPlusContext::PopState()
{
+ wxCHECK_RET( !m_stateStack.empty(), wxT("No state to pop") );
+
GraphicsState state = m_stateStack.top();
m_stateStack.pop();
m_context->Restore(state);
{
Rect drawRect((REAL) x, (REAL)y, (REAL)w, (REAL)h);
m_context->SetPixelOffsetMode( PixelOffsetModeNone );
- m_context->DrawImage(image, drawRect, 0 , 0 , image->GetWidth()-1, image->GetHeight()-1, UnitPixel ) ;
+ m_context->DrawImage(image, drawRect, 0 , 0 , image->GetWidth(), image->GetHeight(), UnitPixel ) ;
m_context->SetPixelOffsetMode( PixelOffsetModeHalf );
}
else
DeleteObject(iconInfo.hbmMask);
}
+wxGraphicsFont wxGDIPlusContext::CreateFont( const wxFont &font,
+ const wxColour &col ) const
+{
+ wxGDIPlusRenderer* renderer =
+ static_cast<wxGDIPlusRenderer*>(GetRenderer());
+ return renderer->CreateGDIPlusFont(this, font, col);
+}
+
void wxGDIPlusContext::DoDrawFilledText(const wxString& str,
wxDouble x, wxDouble y,
const wxGraphicsBrush& brush)
f->GetFamily(&ffamily) ;
- REAL factorY = m_context->GetDpiY() / 72.0 ;
+ REAL factorY = m_fontScaleRatio;
REAL rDescent = ffamily.GetCellDescent(FontStyleRegular) *
f->GetSize() / ffamily.GetEmHeight(FontStyleRegular);
m_context->MeasureString((const wchar_t *) s , wcslen(s) , f, layoutRect, &strFormat, &bounds ) ;
if ( width )
*width = bounds.Width;
+ if ( height )
+ *height = bounds.Height;
}
}
RectF layoutRect(0,0, 100000.0f, 100000.0f);
StringFormat strFormat( StringFormat::GenericTypographic() );
- CharacterRange* ranges = new CharacterRange[len] ;
- Region* regions = new Region[len];
- for( size_t i = 0 ; i < len ; ++i)
- {
- ranges[i].First = i ;
- ranges[i].Length = 1 ;
- }
- strFormat.SetMeasurableCharacterRanges(len,ranges);
- strFormat.SetFormatFlags( StringFormatFlagsMeasureTrailingSpaces | strFormat.GetFormatFlags() );
- m_context->MeasureCharacterRanges(ws, -1 , f,layoutRect, &strFormat,1,regions) ;
+ size_t startPosition = 0;
+ size_t remainder = len;
+ const size_t maxSpan = 32;
+ CharacterRange* ranges = new CharacterRange[maxSpan] ;
+ Region* regions = new Region[maxSpan];
- RectF bbox ;
- for ( size_t i = 0 ; i < len ; ++i)
+ while( remainder > 0 )
{
- regions[i].GetBounds(&bbox,m_context);
- widths[i] = bbox.GetRight()-bbox.GetLeft();
+ size_t span = wxMin( maxSpan, remainder );
+
+ for( size_t i = 0 ; i < span ; ++i)
+ {
+ ranges[i].First = 0 ;
+ ranges[i].Length = startPosition+i+1 ;
+ }
+ strFormat.SetMeasurableCharacterRanges(span,ranges);
+ strFormat.SetFormatFlags( StringFormatFlagsMeasureTrailingSpaces | strFormat.GetFormatFlags() );
+ m_context->MeasureCharacterRanges(ws, -1 , f,layoutRect, &strFormat,span,regions) ;
+
+ RectF bbox ;
+ for ( size_t i = 0 ; i < span ; ++i)
+ {
+ regions[i].GetBounds(&bbox,m_context);
+ widths[startPosition+i] = bbox.Width;
+ }
+ remainder -= span;
+ startPosition += span;
}
+
+ delete[] ranges;
+ delete[] regions;
}
bool wxGDIPlusContext::ShouldOffset() const
{
+ if ( !m_enableOffset )
+ return false;
+
int penwidth = 0 ;
if ( !m_pen.IsNull() )
{
*width = m_width;
*height = m_height;
}
+
//-----------------------------------------------------------------------------
-// wxGDIPlusRenderer declaration
+// wxGDIPlusPrintingContext implementation
//-----------------------------------------------------------------------------
-class wxGDIPlusRenderer : public wxGraphicsRenderer
+wxGDIPlusPrintingContext::wxGDIPlusPrintingContext( wxGraphicsRenderer* renderer,
+ const wxDC& dc )
+ : wxGDIPlusContext(renderer, dc)
{
-public :
- wxGDIPlusRenderer()
- {
- m_loaded = -1;
- m_gditoken = 0;
- }
-
- virtual ~wxGDIPlusRenderer()
- {
- if ( m_loaded == 1 )
- {
- Unload();
- }
- }
-
- // Context
-
- virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
-
- virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);
-
- virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc);
-
- virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
-
- virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
-
- virtual wxGraphicsContext * CreateContext( wxWindow* window );
-
- virtual wxGraphicsContext * CreateMeasuringContext();
-
- // Path
-
- virtual wxGraphicsPath CreatePath();
-
- // Matrix
-
- 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);
+ Graphics* context = GetGraphics();
+ //m_context->SetPageUnit(UnitDocument);
- virtual wxGraphicsPen CreatePen(const wxPen& pen) ;
-
- 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) ;
-
- // 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) ;
-
- // sets the font
- virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
-
- // create a native bitmap representation
- virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap );
-
- // 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 wxGDIPlusRendererModule;
-
-private :
- int m_loaded;
- ULONG_PTR m_gditoken;
+ // Setup page scale, based on DPI ratio.
+ // Antecedent should be 100dpi when the default page unit
+ // (UnitDisplay) is used. Page unit UnitDocument would require 300dpi
+ // instead. Note that calling SetPageScale() does not have effect on
+ // non-printing DCs (that is, any other than wxPrinterDC or
+ // wxEnhMetaFileDC).
+ REAL dpiRatio = 100.0 / context->GetDpiY();
+ context->SetPageScale(dpiRatio);
- DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusRenderer)
-} ;
+ // We use this modifier when measuring fonts. It is needed because the
+ // page scale is modified above.
+ m_fontScaleRatio = context->GetDpiY() / 72.0;
+}
//-----------------------------------------------------------------------------
// wxGDIPlusRenderer implementation
if ( m_gditoken )
{
GdiplusShutdown(m_gditoken);
- m_gditoken = NULL;
+ m_gditoken = 0;
}
m_loaded = -1; // next Load() will try again
}
wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxWindowDC& dc)
{
ENSURE_LOADED_OR_RETURN(NULL);
- wxMSWDCImpl *msw = wxDynamicCast( dc.GetImpl() , wxMSWDCImpl );
- wxSize sz = dc.GetSize();
- return new wxGDIPlusContext(this,(HDC) msw->GetHDC(), sz.x, sz.y);
+ wxGDIPlusContext* context = new wxGDIPlusContext(this, dc);
+ context->EnableOffset(true);
+ return context;
}
+#if wxUSE_PRINTING_ARCHITECTURE
wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxPrinterDC& dc)
{
ENSURE_LOADED_OR_RETURN(NULL);
- wxMSWDCImpl *msw = wxDynamicCast( dc.GetImpl() , wxMSWDCImpl );
- wxSize sz = dc.GetSize();
- return new wxGDIPlusContext(this,(HDC) msw->GetHDC(), sz.x, sz.y);
+ wxGDIPlusContext* context = new wxGDIPlusPrintingContext(this, dc);
+ return context;
}
+#endif
+
+#if wxUSE_ENH_METAFILE
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxEnhMetaFileDC& dc)
+{
+ ENSURE_LOADED_OR_RETURN(NULL);
+ wxGDIPlusContext* context = new wxGDIPlusPrintingContext(this, dc);
+ return context;
+}
+#endif
wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxMemoryDC& dc)
{
ENSURE_LOADED_OR_RETURN(NULL);
- wxMSWDCImpl *msw = wxDynamicCast( dc.GetImpl() , wxMSWDCImpl );
- wxSize sz = dc.GetSize();
- return new wxGDIPlusContext(this,(HDC) msw->GetHDC(), sz.x, sz.y);
+ wxGDIPlusContext* context = new wxGDIPlusContext(this, dc);
+ context->EnableOffset(true);
+ return context;
}
wxGraphicsContext * wxGDIPlusRenderer::CreateMeasuringContext()
wxGraphicsPen wxGDIPlusRenderer::CreatePen(const wxPen& pen)
{
ENSURE_LOADED_OR_RETURN(wxNullGraphicsPen);
- if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT )
+ if ( !pen.IsOk() || pen.GetStyle() == wxTRANSPARENT )
return wxNullGraphicsPen;
else
{
wxGraphicsBrush wxGDIPlusRenderer::CreateBrush(const wxBrush& brush )
{
ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
- if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT )
+ if ( !brush.IsOk() || brush.GetStyle() == wxTRANSPARENT )
return wxNullGraphicsBrush;
else
{
}
}
-// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
-wxGraphicsBrush wxGDIPlusRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
- const wxColour&c1, const wxColour&c2)
+wxGraphicsBrush
+wxGDIPlusRenderer::CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+ wxDouble x2, wxDouble y2,
+ const wxGraphicsGradientStops& stops)
{
ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
wxGraphicsBrush p;
wxGDIPlusBrushData* d = new wxGDIPlusBrushData( 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 wxGDIPlusRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
- const wxColour &oColor, const wxColour &cColor)
+wxGraphicsBrush
+wxGDIPlusRenderer::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+ wxDouble xc, wxDouble yc,
+ wxDouble radius,
+ const wxGraphicsGradientStops& stops)
{
ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
wxGraphicsBrush p;
wxGDIPlusBrushData* d = new wxGDIPlusBrushData( this );
- d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor);
+ d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,stops);
p.SetRefData(d);
return p;
}
-// sets the font
-wxGraphicsFont wxGDIPlusRenderer::CreateFont( const wxFont &font , const wxColour &col )
+wxGraphicsFont
+wxGDIPlusRenderer::CreateGDIPlusFont( const wxGDIPlusContext* gc,
+ const wxFont &font,
+ const wxColour &col )
{
ENSURE_LOADED_OR_RETURN(wxNullGraphicsFont);
- if ( font.Ok() )
+ if ( font.IsOk() )
{
wxGraphicsFont p;
- p.SetRefData(new wxGDIPlusFontData( this , font, col ));
+ p.SetRefData(new wxGDIPlusFontData( this, gc, font, col ));
return p;
}
else
wxGraphicsBitmap wxGDIPlusRenderer::CreateBitmap( const wxBitmap &bitmap )
{
ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
- if ( bitmap.Ok() )
+ if ( bitmap.IsOk() )
{
wxGraphicsBitmap p;
p.SetRefData(new wxGDIPlusBitmapData( this , bitmap ));
return wxNullGraphicsBitmap;
}
+wxGraphicsBitmap wxGDIPlusRenderer::CreateBitmapFromNativeBitmap( void *bitmap )
+{
+ ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
+ if ( bitmap != NULL )
+ {
+ wxGraphicsBitmap p;
+ p.SetRefData(new wxGDIPlusBitmapData( this , (Bitmap*) bitmap ));
+ return p;
+ }
+ else
+ return wxNullGraphicsBitmap;
+}
+
wxGraphicsBitmap wxGDIPlusRenderer::CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
{
ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
IMPLEMENT_DYNAMIC_CLASS(wxGDIPlusRendererModule, wxModule)
+// ----------------------------------------------------------------------------
+// wxMSW-specific parts of wxGCDC
+// ----------------------------------------------------------------------------
+
+WXHDC wxGCDC::AcquireHDC()
+{
+ wxGraphicsContext * const gc = GetGraphicsContext();
+ if ( !gc )
+ return NULL;
+
+ Graphics * const g = static_cast<Graphics *>(gc->GetNativeContext());
+ return g ? g->GetHDC() : NULL;
+}
+
+void wxGCDC::ReleaseHDC(WXHDC hdc)
+{
+ if ( !hdc )
+ return;
+
+ wxGraphicsContext * const gc = GetGraphicsContext();
+ wxCHECK_RET( gc, "can't release HDC because there is no wxGraphicsContext" );
+
+ Graphics * const g = static_cast<Graphics *>(gc->GetNativeContext());
+ wxCHECK_RET( g, "can't release HDC because there is no Graphics" );
+
+ g->ReleaseHDC((HDC)hdc);
+}
+
#endif // wxUSE_GRAPHICS_CONTEXT
projects / wxWidgets.git / blobdiff