X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ebbe5c668623e6d8c4b7c018832e54381af1468e..b50e6e416e2b4cdc849ea6f24181094c0957d904:/src/msw/graphics.cpp diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp index 69f3a08e67..62d56a1023 100644 --- a/src/msw/graphics.cpp +++ b/src/msw/graphics.cpp @@ -11,35 +11,40 @@ #include "wx/wxprec.h" -#include "wx/dc.h" - #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif -#ifndef WX_PRECOMP -#include "wx/msw/wrapcdlg.h" -#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" -#endif - -#include "wx/graphics.h" #if wxUSE_GRAPHICS_CONTEXT -#include +#ifndef WX_PRECOMP + #include "wx/msw/wrapcdlg.h" + #include "wx/image.h" + #include "wx/window.h" + #include "wx/utils.h" + #include "wx/dialog.h" + #include "wx/app.h" + #include "wx/bitmap.h" + #include "wx/log.h" + #include "wx/icon.h" + #include "wx/module.h" + // include all dc types that are used as a param + #include "wx/dc.h" + #include "wx/dcclient.h" + #include "wx/dcmemory.h" + #include "wx/dcprint.h" +#endif + +#include "wx/private/graphics.h" +#include "wx/msw/wrapgdip.h" +#include "wx/msw/dc.h" +#include "wx/dcgraph.h" -using namespace std; +#include "wx/stack.h" + +WX_DECLARE_STACK(GraphicsState, GraphicsStates); //----------------------------------------------------------------------------- // constants @@ -79,69 +84,13 @@ static inline double RadToDeg(double deg) { return (deg * 180.0) / M_PI; } #include #endif -// TODO remove this dependency (gdiplus needs the macros) - -#ifndef max -#define max(a,b) (((a) > (b)) ? (a) : (b)) -#endif - -#ifndef min -#define min(a,b) (((a) < (b)) ? (a) : (b)) -#endif - -#include "gdiplus.h" -using namespace Gdiplus; - -class GDILoader -{ -public : - GDILoader() - { - m_loaded = false; - m_gditoken = NULL; - } - - ~GDILoader() - { - if (m_loaded) - { - Unload(); - } - } - void EnsureIsLoaded() - { - if (!m_loaded) - { - Load(); - } - } - void Load() - { - GdiplusStartupInput input; - GdiplusStartupOutput output; - GdiplusStartup(&m_gditoken,&input,&output); - m_loaded = true; - } - void Unload() - { - if ( m_gditoken ) - GdiplusShutdown(m_gditoken); - } -private : - bool m_loaded; - DWORD m_gditoken; - -}; - -static GDILoader gGDILoader; - -class WXDLLEXPORT wxGDIPlusPath : public wxGraphicsPath +class wxGDIPlusPathData : public wxGraphicsPathData { - DECLARE_NO_COPY_CLASS(wxGDIPlusPath) public : - wxGDIPlusPath(); - ~wxGDIPlusPath(); + wxGDIPlusPathData(wxGraphicsRenderer* renderer, GraphicsPath* path = NULL); + ~wxGDIPlusPathData(); + virtual wxGraphicsObjectRefData *Clone() const; // // These are the path primitives from which everything else can be constructed @@ -150,28 +99,31 @@ public : // begins a new subpath at (x,y) virtual void MoveToPoint( wxDouble x, wxDouble y ); - // adds a straight line from the current point to (x,y) + // adds a straight line from the current point to (x,y) virtual void AddLineToPoint( wxDouble x, wxDouble y ); // adds a cubic Bezier curve from the current point, using two control points and an end point virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ); - // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle + // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ) ; // gets the last point of the current path, (0,0) if not yet set - virtual void GetCurrentPoint( wxDouble& x, wxDouble&y) ; + virtual void GetCurrentPoint( wxDouble* x, wxDouble* y) const; + + // adds another path + virtual void AddPath( const wxGraphicsPathData* path ); // closes the current sub-path virtual void CloseSubpath(); // - // These are convenience functions which - if not available natively will be assembled + // These are convenience functions which - if not available natively will be assembled // using the primitives from above // - // 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 ) ; /* @@ -182,290 +134,279 @@ public : virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) ; */ - GraphicsPath* GetPath() const; + // returns the native path + virtual void * GetNativePath() const { return m_path; } + + // give the native path returned by GetNativePath() back (there might be some deallocations necessary) + virtual void UnGetNativePath(void * WXUNUSED(path)) const {} + + // transforms each point of this path by the matrix + virtual void Transform( const wxGraphicsMatrixData* matrix ) ; + + // 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, wxPolygonFillMode fillStyle = wxODDEVEN_RULE) const; + private : GraphicsPath* m_path; }; -class WXDLLEXPORT wxGDIPlusContext : public wxGraphicsContext +class wxGDIPlusMatrixData : public wxGraphicsMatrixData { - DECLARE_NO_COPY_CLASS(wxGDIPlusContext) +public : + wxGDIPlusMatrixData(wxGraphicsRenderer* renderer, Matrix* matrix = NULL) ; + virtual ~wxGDIPlusMatrixData() ; -public: - wxGDIPlusContext( WXHDC hdc ); - wxGDIPlusContext(); - virtual ~wxGDIPlusContext(); + virtual wxGraphicsObjectRefData* Clone() const ; - virtual void Clip( const wxRegion ®ion ); - virtual void StrokePath( const wxGraphicsPath *p ); - virtual void FillPath( const wxGraphicsPath *p , int fillStyle = wxWINDING_RULE ); + // concatenates the matrix + virtual void Concat( const wxGraphicsMatrixData *t ); - virtual wxGraphicsPath* CreatePath(); - virtual void SetPen( const wxPen &pen ); - virtual void SetBrush( const wxBrush &brush ); - virtual void SetLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2) ; - virtual void SetRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor); + // 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, + wxDouble tx=0.0, wxDouble ty=0.0); - virtual void Translate( wxDouble dx , wxDouble dy ); - virtual void Scale( wxDouble xScale , wxDouble yScale ); - virtual void Rotate( wxDouble angle ); + // 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; - 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(); + // makes this the inverse matrix + virtual void Invert(); - virtual void SetFont( const wxFont &font ); - virtual void SetTextColor( const wxColour &col ); - 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; + // returns true if the elements of the transformation matrix are equal ? + virtual bool IsEqual( const wxGraphicsMatrixData* t) const ; + + // return true if this is the identity matrix + virtual bool IsIdentity() const; + + // + // transformation + // + + // add the translation to this matrix + virtual void Translate( wxDouble dx , wxDouble dy ); + + // add the scale to this matrix + virtual void Scale( wxDouble xScale , wxDouble yScale ); + + // add the rotation to this matrix (radians) + virtual void Rotate( wxDouble angle ); + + // + // apply the transforms + // + + // applies that matrix to the point + virtual void TransformPoint( wxDouble *x, wxDouble *y ) const; + + // applies the matrix except for translations + virtual void TransformDistance( wxDouble *dx, wxDouble *dy ) const; + // returns the native representation + virtual void * GetNativeMatrix() const; private: - Graphics* m_context; - vector m_stateStack; - GraphicsState m_state1; - GraphicsState m_state2; + Matrix* m_matrix ; +} ; + +class wxGDIPlusPenData : public wxGraphicsObjectRefData +{ +public: + wxGDIPlusPenData( wxGraphicsRenderer* renderer, const wxPen &pen ); + ~wxGDIPlusPenData(); + + void Init(); + + virtual wxDouble GetWidth() { return m_width; } + virtual Pen* GetGDIPlusPen() { return m_pen; } +protected : Pen* m_pen; - bool m_penTransparent; Image* m_penImage; Brush* m_penBrush; - + + wxDouble m_width; +}; + +class wxGDIPlusBrushData : public wxGraphicsObjectRefData +{ +public: + wxGDIPlusBrushData( wxGraphicsRenderer* renderer ); + 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 ); + virtual Brush* GetGDIPlusBrush() { return m_brush; } + +protected: + virtual void Init(); + +private : Brush* m_brush; - bool m_brushTransparent; Image* m_brushImage; GraphicsPath* m_brushPath; - - Brush* m_textBrush; - Font* m_font; - // wxPen m_pen; - // wxBrush m_brush; }; -wxGDIPlusPath::wxGDIPlusPath() +class WXDLLIMPEXP_CORE wxGDIPlusBitmapData : public wxGraphicsObjectRefData { - m_path = new GraphicsPath(); -} +public: + wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, Bitmap* bitmap ); + wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, const wxBitmap &bmp ); + ~wxGDIPlusBitmapData (); -wxGDIPlusPath::~wxGDIPlusPath() -{ - delete m_path; -} + virtual Bitmap* GetGDIPlusBitmap() { return m_bitmap; } + +private : + Bitmap* m_bitmap; + Bitmap* m_helper; +}; -GraphicsPath* wxGDIPlusPath::GetPath() const +class wxGDIPlusFontData : public wxGraphicsObjectRefData { - return m_path; -} +public: + wxGDIPlusFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col ); + ~wxGDIPlusFontData(); -// -// The Primitives -// + virtual Brush* GetGDIPlusBrush() { return m_textBrush; } + virtual Font* GetGDIPlusFont() { return m_font; } +private : + Brush* m_textBrush; + Font* m_font; +}; -void wxGDIPlusPath::MoveToPoint( wxDouble x , wxDouble y ) +class wxGDIPlusContext : public wxGraphicsContext { - m_path->StartFigure(); - m_path->AddLine((REAL) x,(REAL) y,(REAL) x,(REAL) y); -} +public: + wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc , wxDouble width, wxDouble height ); + wxGDIPlusContext( wxGraphicsRenderer* renderer, HWND hwnd ); + wxGDIPlusContext( wxGraphicsRenderer* renderer, Graphics* gr); + wxGDIPlusContext(); -void wxGDIPlusPath::AddLineToPoint( wxDouble x , wxDouble y ) -{ - m_path->AddLine((REAL) x,(REAL) y,(REAL) x,(REAL) y); -} + virtual ~wxGDIPlusContext(); -void wxGDIPlusPath::CloseSubpath() -{ - m_path->CloseFigure(); -} + virtual void Clip( const wxRegion ®ion ); + // clips drawings to the rect + virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ); -void wxGDIPlusPath::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) -{ - PointF c1(cx1,cy1); - PointF c2(cx2,cy2); - PointF end(x,y); - PointF start; - m_path->GetLastPoint(&start); - m_path->AddBezier(start,c1,c2,end); -} + // resets the clipping to original extent + virtual void ResetClip(); -// gets the last point of the current path, (0,0) if not yet set -void wxGDIPlusPath::GetCurrentPoint( wxDouble& x, wxDouble&y) -{ - PointF start; - m_path->GetLastPoint(&start); - x = start.X ; - y = start.Y ; -} + virtual void * GetNativeContext(); -void wxGDIPlusPath::AddArc( wxDouble x, wxDouble y, wxDouble r, double startAngle, double endAngle, bool clockwise ) -{ - double sweepAngle = endAngle - startAngle ; - if( abs(sweepAngle) >= 2*M_PI) - { - sweepAngle = 2 * M_PI; - } - else - { - if ( clockwise ) - { - if( sweepAngle < 0 ) - sweepAngle += 2 * M_PI; - } - else - { - if( sweepAngle > 0 ) - sweepAngle -= 2 * M_PI; + virtual void StrokePath( const wxGraphicsPath& p ); + virtual void FillPath( const wxGraphicsPath& p , wxPolygonFillMode fillStyle = wxODDEVEN_RULE ); - } - } - m_path->AddArc((REAL) (x-r),(REAL) (y-r),(REAL) (2*r),(REAL) (2*r),RadToDeg(startAngle),RadToDeg(sweepAngle)); -} + // stroke lines connecting each of the points + virtual void StrokeLines( size_t n, const wxPoint2DDouble *points); -void wxGDIPlusPath::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) -{ - m_path->AddRectangle(RectF(x,y,w,h)); -} + // draws a polygon + virtual void DrawLines( size_t n, const wxPoint2DDouble *points, wxPolygonFillMode fillStyle = wxODDEVEN_RULE ); -// -// -// -/* -// closes the current subpath -void wxGDIPlusPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) -{ -// CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r); -} + virtual bool SetAntialiasMode(wxAntialiasMode antialias); -*/ + virtual bool SetCompositionMode(wxCompositionMode op); -//----------------------------------------------------------------------------- -// wxGDIPlusContext implementation -//----------------------------------------------------------------------------- + virtual void BeginLayer(wxDouble opacity); -wxGDIPlusContext::wxGDIPlusContext( WXHDC hdc ) -{ - gGDILoader.EnsureIsLoaded(); - m_context = new Graphics( (HDC) hdc); - m_context->SetSmoothingMode(SmoothingModeHighQuality); - m_state1 = m_context->Save(); - m_state2 = m_context->Save(); + virtual void EndLayer(); - // set defaults + virtual void Translate( wxDouble dx , wxDouble dy ); + virtual void Scale( wxDouble xScale , wxDouble yScale ); + virtual void Rotate( wxDouble angle ); - m_penTransparent = false; - m_pen = new Pen((ARGB)Color::Black); - m_penImage = NULL; - m_penBrush = NULL; + // concatenates this transform with the current transform of this context + virtual void ConcatTransform( const wxGraphicsMatrix& matrix ); - m_brushTransparent = false; - m_brush = new SolidBrush((ARGB)Color::White); - m_brushImage = NULL; - m_brushPath = NULL; - m_textBrush = new SolidBrush((ARGB)Color::Black); - m_font = new Font( L"Arial" , 9 , FontStyleRegular ); -} + // sets the transform of this context + virtual void SetTransform( const wxGraphicsMatrix& matrix ); -wxGDIPlusContext::~wxGDIPlusContext() -{ - if ( m_context ) - { - m_context->Restore( m_state2 ); - m_context->Restore( m_state1 ); - delete m_context; - delete m_pen; - delete m_penImage; - delete m_penBrush; - delete m_brush; - delete m_brushImage; - delete m_brushPath; - delete m_textBrush; - delete m_font; - } -} + // 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(); -void wxGDIPlusContext::Clip( const wxRegion & WXUNUSED(region) ) -{ -// ClipCGContextToRegion ( m_context, &bounds , (RgnHandle) dc->m_macCurrentClipRgn ); -} + 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 ); -void wxGDIPlusContext::StrokePath( const wxGraphicsPath *p ) -{ - if ( m_penTransparent ) - return; +private: + void Init(); + void SetDefaults(); - const wxGDIPlusPath* path = dynamic_cast< const wxGDIPlusPath*>( p ); - m_context->DrawPath( m_pen , path->GetPath() ); -} + virtual void DoDrawText(const wxString& str, wxDouble x, wxDouble y) + { DoDrawFilledText(str, x, y, wxNullGraphicsBrush); } + virtual void DoDrawFilledText(const wxString& str, wxDouble x, wxDouble y, + const wxGraphicsBrush& backgroundBrush); -void wxGDIPlusContext::FillPath( const wxGraphicsPath *p , int fillStyle ) -{ - if ( !m_brushTransparent ) - { - const wxGDIPlusPath* path = dynamic_cast< const wxGDIPlusPath*>( p ); - path->GetPath()->SetFillMode( fillStyle == wxODDEVEN_RULE ? FillModeAlternate : FillModeWinding); - m_context->FillPath( m_brush , path->GetPath() ); - } -} + Graphics* m_context; + GraphicsStates m_stateStack; + GraphicsState m_state1; + GraphicsState m_state2; -wxGraphicsPath* wxGDIPlusContext::CreatePath() -{ - return new wxGDIPlusPath(); -} + wxDouble m_width; + wxDouble m_height; -void wxGDIPlusContext::Rotate( wxDouble angle ) -{ - m_context->RotateTransform( RadToDeg(angle) ); -} + DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusContext) +}; -void wxGDIPlusContext::Translate( wxDouble dx , wxDouble dy ) +class wxGDIPlusMeasuringContext : public wxGDIPlusContext { - m_context->TranslateTransform( dx , dy ); -} +public: + wxGDIPlusMeasuringContext( wxGraphicsRenderer* renderer ) : wxGDIPlusContext( renderer , m_hdc = GetDC(NULL), 1000, 1000 ) + { + } + wxGDIPlusMeasuringContext() + { + } -void wxGDIPlusContext::Scale( wxDouble xScale , wxDouble yScale ) -{ - m_context->ScaleTransform(xScale,yScale); -} + virtual ~wxGDIPlusMeasuringContext() + { + ReleaseDC( NULL, m_hdc ); + } -void wxGDIPlusContext::PushState() -{ - GraphicsState state = m_context->Save(); - m_stateStack.push_back(state); -} +private: + HDC m_hdc ; + DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusMeasuringContext) +} ; + +//----------------------------------------------------------------------------- +// wxGDIPlusPen implementation +//----------------------------------------------------------------------------- -void wxGDIPlusContext::PopState() +wxGDIPlusPenData::~wxGDIPlusPenData() { - GraphicsState state = m_stateStack.back(); - m_stateStack.pop_back(); - m_context->Restore(state); + delete m_pen; + delete m_penImage; + delete m_penBrush; } -void wxGDIPlusContext::SetTextColor( const wxColour &col ) +void wxGDIPlusPenData::Init() { - delete m_textBrush; - m_textBrush = new SolidBrush( Color( col.Alpha() , col.Red() , - col.Green() , col.Blue() )); + m_pen = NULL ; + m_penImage = NULL; + m_penBrush = NULL; } -void wxGDIPlusContext::SetPen( const wxPen &pen ) +wxGDIPlusPenData::wxGDIPlusPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) +: wxGraphicsObjectRefData(renderer) { - m_penTransparent = pen.GetStyle() == wxTRANSPARENT; - if ( m_penTransparent ) - return; - - m_pen->SetColor( Color( pen.GetColour().Alpha() , pen.GetColour().Red() , - pen.GetColour().Green() , pen.GetColour().Blue() ) ); + Init(); + m_width = pen.GetWidth(); + if (m_width <= 0.0) + m_width = 0.1; - // TODO: * m_dc->m_scaleX - double penWidth = pen.GetWidth(); - if (penWidth <= 0.0) - penWidth = 0.1; + m_pen = new Pen(Color( pen.GetColour().Alpha() , pen.GetColour().Red() , + pen.GetColour().Green() , pen.GetColour().Blue() ), m_width ); - m_pen->SetWidth(penWidth); - LineCap cap; switch ( pen.GetCap() ) { @@ -506,7 +447,7 @@ void wxGDIPlusContext::SetPen( const wxPen &pen ) join = LineJoinMiter; break; } - + m_pen->SetLineJoin(join); m_pen->SetDashStyle(DashStyleSolid); @@ -554,8 +495,6 @@ void wxGDIPlusContext::SetPen( const wxPen &pen ) wxBitmap* bmp = pen.GetStipple(); if ( bmp && bmp->Ok() ) { - wxDELETE( m_penImage ); - wxDELETE( m_penBrush ); m_penImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),(HPALETTE)bmp->GetPalette()->GetHPALETTE()); m_penBrush = new TextureBrush(m_penImage); m_pen->SetBrush( m_penBrush ); @@ -566,7 +505,6 @@ void wxGDIPlusContext::SetPen( const wxPen &pen ) default : if ( pen.GetStyle() >= wxFIRST_HATCH && pen.GetStyle() <= wxLAST_HATCH ) { - wxDELETE( m_penBrush ); HatchStyle style = HatchStyleHorizontal; switch( pen.GetStyle() ) { @@ -595,24 +533,25 @@ void wxGDIPlusContext::SetPen( const wxPen &pen ) m_pen->SetBrush( m_penBrush ); } break; - } + } if ( dashStyle != DashStyleSolid ) m_pen->SetDashStyle(dashStyle); } -void wxGDIPlusContext::SetBrush( const wxBrush &brush ) -{ -// m_brush = brush; - if ( m_context == NULL ) - return; - - m_brushTransparent = brush.GetStyle() == wxTRANSPARENT; - - if ( m_brushTransparent ) - return; +//----------------------------------------------------------------------------- +// wxGDIPlusBrush implementation +//----------------------------------------------------------------------------- - wxDELETE(m_brush); +wxGDIPlusBrushData::wxGDIPlusBrushData( wxGraphicsRenderer* renderer ) +: wxGraphicsObjectRefData(renderer) +{ + Init(); +} +wxGDIPlusBrushData::wxGDIPlusBrushData( wxGraphicsRenderer* renderer , const wxBrush &brush ) +: wxGraphicsObjectRefData(renderer) +{ + Init(); if ( brush.GetStyle() == wxSOLID) { m_brush = new SolidBrush( Color( brush.GetColour().Alpha() , brush.GetColour().Red() , @@ -646,7 +585,7 @@ void wxGDIPlusContext::SetBrush( const wxBrush &brush ) 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() ) @@ -658,25 +597,30 @@ void wxGDIPlusContext::SetBrush( const wxBrush &brush ) } } -void wxGDIPlusContext::SetLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2) +wxGDIPlusBrushData::~wxGDIPlusBrushData() { - m_brushTransparent = false ; + delete m_brush; + delete m_brushImage; + delete m_brushPath; +}; - wxDELETE(m_brush); +void wxGDIPlusBrushData::Init() +{ + m_brush = NULL; + m_brushImage= NULL; + m_brushPath= NULL; +} +void wxGDIPlusBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2) +{ 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() )); } -void wxGDIPlusContext::SetRadialGradientBrush( 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 wxColour &oColor, const wxColour &cColor) { - m_brushTransparent = false ; - - wxDELETE(m_brush); - wxDELETE(m_brushPath); - // 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)); @@ -691,16 +635,60 @@ void wxGDIPlusContext::SetRadialGradientBrush( wxDouble xo, wxDouble yo, wxDoubl b->SetSurroundColors(colors, &count); } -// the built-in conversions functions create non-premultiplied bitmaps, while GDIPlus needs them in the -// premultiplied format, therefore in the failing cases we create a new bitmap using the non-premultiplied -// bytes as parameter +//----------------------------------------------------------------------------- +// wxGDIPlusFont implementation +//----------------------------------------------------------------------------- -void wxGDIPlusContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +wxGDIPlusFontData::wxGDIPlusFontData( wxGraphicsRenderer* renderer, const wxFont &font, + const wxColour& col ) : wxGraphicsObjectRefData( renderer ) { - Bitmap* image = NULL; - Bitmap* helper = NULL; + 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; + if ( font.GetUnderlined() ) + 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() )); +} + +wxGDIPlusFontData::~wxGDIPlusFontData() +{ + delete m_textBrush; + delete m_font; +} + +// the built-in conversions functions create non-premultiplied bitmaps, while GDIPlus needs them in the +// premultiplied format, therefore in the failing cases we create a new bitmap using the non-premultiplied +// bytes as parameter, since there is no real copying of the data going in, only references are stored +// m_helper has to be kept alive as well + +//----------------------------------------------------------------------------- +// wxGDIPlusBitmapData implementation +//----------------------------------------------------------------------------- + +wxGDIPlusBitmapData::wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, Bitmap* bitmap ) : + wxGraphicsObjectRefData( renderer ), m_bitmap( bitmap ) +{ + m_helper = NULL; +} + +wxGDIPlusBitmapData::wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, + const wxBitmap &bmp) : wxGraphicsObjectRefData( renderer ) +{ + m_bitmap = NULL; + m_helper = NULL; + + Bitmap* image = NULL; if ( bmp.GetMask() ) - { + { Bitmap interim((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE()) ; size_t width = interim.GetWidth(); @@ -713,7 +701,7 @@ void wxGDIPlusContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxASSERT(interimMask.GetPixelFormat() == PixelFormat1bppIndexed); BitmapData dataMask ; - interimMask.LockBits(&bounds,ImageLockModeRead, + interimMask.LockBits(&bounds,ImageLockModeRead, interimMask.GetPixelFormat(),&dataMask); @@ -757,180 +745,1152 @@ void wxGDIPlusContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, } else { - image = Bitmap::FromHBITMAP((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE()); - if ( GetPixelFormatSize(image->GetPixelFormat()) == 32 ) + image = Bitmap::FromHBITMAP((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE()); + if ( bmp.HasAlpha() && GetPixelFormatSize(image->GetPixelFormat()) == 32 ) { size_t width = image->GetWidth(); size_t height = image->GetHeight(); Rect bounds(0,0,width,height); - BitmapData data ; + static BitmapData data ; - helper = image ; + m_helper = image ; image = NULL ; - helper->LockBits(&bounds, ImageLockModeRead, - helper->GetPixelFormat(),&data); + m_helper->LockBits(&bounds, ImageLockModeRead, + m_helper->GetPixelFormat(),&data); - image = new Bitmap(data.Width, data.Height, data.Stride, - PixelFormat32bppARGB , (BYTE*) data.Scan0); + image = new Bitmap(data.Width, data.Height, data.Stride, + PixelFormat32bppPARGB , (BYTE*) data.Scan0); - helper->UnlockBits(&data); + m_helper->UnlockBits(&data); } } if ( image ) - m_context->DrawImage(image,(REAL) x,(REAL) y,(REAL) w,(REAL) h) ; - delete image ; - delete helper ; + m_bitmap = image; } -void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +wxGDIPlusBitmapData::~wxGDIPlusBitmapData() { - HICON hIcon = (HICON)icon.GetHICON(); - ICONINFO iconInfo ; - // IconInfo creates the bitmaps for color and mask, we must dispose of them after use - if (!GetIconInfo(hIcon,&iconInfo)) - return; + delete m_bitmap; + delete m_helper; +} - BITMAP iconBmpData ; - GetObject(iconInfo.hbmColor,sizeof(BITMAP),&iconBmpData); - Bitmap interim(iconInfo.hbmColor,NULL); +//----------------------------------------------------------------------------- +// wxGDIPlusPath implementation +//----------------------------------------------------------------------------- - Bitmap* image = NULL ; +wxGDIPlusPathData::wxGDIPlusPathData(wxGraphicsRenderer* renderer, GraphicsPath* path ) : wxGraphicsPathData(renderer) +{ + if ( path ) + m_path = path; + else + m_path = new GraphicsPath(); +} - if( GetPixelFormatSize(interim.GetPixelFormat())!= 32 ) +wxGDIPlusPathData::~wxGDIPlusPathData() +{ + delete m_path; +} + +wxGraphicsObjectRefData* wxGDIPlusPathData::Clone() const +{ + return new wxGDIPlusPathData( GetRenderer() , m_path->Clone()); +} + +// +// The Primitives +// + +void wxGDIPlusPathData::MoveToPoint( wxDouble x , wxDouble y ) +{ + m_path->StartFigure(); + m_path->AddLine((REAL) x,(REAL) y,(REAL) x,(REAL) y); +} + +void wxGDIPlusPathData::AddLineToPoint( wxDouble x , wxDouble y ) +{ + m_path->AddLine((REAL) x,(REAL) y,(REAL) x,(REAL) y); +} + +void wxGDIPlusPathData::CloseSubpath() +{ + m_path->CloseFigure(); +} + +void wxGDIPlusPathData::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) +{ + PointF c1(cx1,cy1); + PointF c2(cx2,cy2); + PointF end(x,y); + PointF start; + m_path->GetLastPoint(&start); + m_path->AddBezier(start,c1,c2,end); +} + +// gets the last point of the current path, (0,0) if not yet set +void wxGDIPlusPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const +{ + PointF start; + m_path->GetLastPoint(&start); + *x = start.X ; + *y = start.Y ; +} + +void wxGDIPlusPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, double startAngle, double endAngle, bool clockwise ) +{ + double sweepAngle = endAngle - startAngle ; + if( fabs(sweepAngle) >= 2*M_PI) { - image = Bitmap::FromHICON(hIcon); + sweepAngle = 2 * M_PI; } else { - size_t width = interim.GetWidth(); - size_t height = interim.GetHeight(); - Rect bounds(0,0,width,height); - BitmapData data ; + if ( clockwise ) + { + if( sweepAngle < 0 ) + sweepAngle += 2 * M_PI; + } + else + { + if( sweepAngle > 0 ) + sweepAngle -= 2 * M_PI; - interim.LockBits(&bounds, ImageLockModeRead, - interim.GetPixelFormat(),&data); - image = new Bitmap(data.Width, data.Height, data.Stride, - PixelFormat32bppARGB , (BYTE*) data.Scan0); - interim.UnlockBits(&data); - } + } + } + m_path->AddArc((REAL) (x-r),(REAL) (y-r),(REAL) (2*r),(REAL) (2*r),RadToDeg(startAngle),RadToDeg(sweepAngle)); +} - m_context->DrawImage(image,(REAL) x,(REAL) y,(REAL) w,(REAL) h) ; +void wxGDIPlusPathData::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +{ + m_path->AddRectangle(RectF(x,y,w,h)); +} - delete image ; - DeleteObject(iconInfo.hbmColor); - DeleteObject(iconInfo.hbmMask); +void wxGDIPlusPathData::AddPath( const wxGraphicsPathData* path ) +{ + m_path->AddPath( (GraphicsPath*) path->GetNativePath(), FALSE); } -void wxGDIPlusContext::DrawText( const wxString &str, wxDouble x, wxDouble y ) +// transforms each point of this path by the matrix +void wxGDIPlusPathData::Transform( const wxGraphicsMatrixData* matrix ) { - if ( str.IsEmpty()) - return ; + m_path->Transform( (Matrix*) matrix->GetNativeMatrix() ); +} - wxWCharBuffer s = str.wc_str( *wxConvUI ); - m_context->DrawString( s , -1 , m_font , PointF( x , y ) , m_textBrush ); - // TODO m_backgroundMode == wxSOLID +// gets the bounding box enclosing all points (possibly including control points) +void wxGDIPlusPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const +{ + RectF bounds; + m_path->GetBounds( &bounds, NULL, NULL) ; + *x = bounds.X; + *y = bounds.Y; + *w = bounds.Width; + *h = bounds.Height; } -void wxGDIPlusContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height, - wxDouble *descent, wxDouble *externalLeading ) const +bool wxGDIPlusPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle ) const { - wxWCharBuffer s = str.wc_str( *wxConvUI ); - FontFamily ffamily ; - - m_font->GetFamily(&ffamily) ; + m_path->SetFillMode( fillStyle == wxODDEVEN_RULE ? FillModeAlternate : FillModeWinding); + return m_path->IsVisible( (FLOAT) x,(FLOAT) y) == TRUE ; +} - REAL factorY = m_context->GetDpiY() / 72.0 ; +//----------------------------------------------------------------------------- +// wxGDIPlusMatrixData implementation +//----------------------------------------------------------------------------- - REAL rDescent = ffamily.GetCellDescent(FontStyleRegular) * - m_font->GetSize() / ffamily.GetEmHeight(FontStyleRegular); - REAL rAscent = ffamily.GetCellAscent(FontStyleRegular) * - m_font->GetSize() / ffamily.GetEmHeight(FontStyleRegular); - REAL rHeight = ffamily.GetLineSpacing(FontStyleRegular) * - m_font->GetSize() / ffamily.GetEmHeight(FontStyleRegular); +wxGDIPlusMatrixData::wxGDIPlusMatrixData(wxGraphicsRenderer* renderer, Matrix* matrix ) + : wxGraphicsMatrixData(renderer) +{ + if ( matrix ) + m_matrix = matrix ; + else + m_matrix = new Matrix(); +} - if ( height ) - *height = rHeight * factorY + 0.5 ; - if ( descent ) - *descent = rDescent * factorY + 0.5 ; - if ( externalLeading ) - *externalLeading = (rHeight - rAscent - rDescent) * factorY + 0.5 ; - // measuring empty strings is not guaranteed, so do it by hand - if ( str.IsEmpty()) +wxGDIPlusMatrixData::~wxGDIPlusMatrixData() +{ + delete m_matrix; +} + +wxGraphicsObjectRefData *wxGDIPlusMatrixData::Clone() const +{ + return new wxGDIPlusMatrixData( GetRenderer(), m_matrix->Clone()); +} + +// concatenates the matrix +void wxGDIPlusMatrixData::Concat( const wxGraphicsMatrixData *t ) +{ + m_matrix->Multiply( (Matrix*) t->GetNativeMatrix()); +} + +// sets the matrix to the respective values +void wxGDIPlusMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d, + wxDouble tx, wxDouble ty) +{ + m_matrix->SetElements(a,b,c,d,tx,ty); +} + +// gets the component valuess of the matrix +void wxGDIPlusMatrixData::Get(wxDouble* a, wxDouble* b, wxDouble* c, + wxDouble* d, wxDouble* tx, wxDouble* ty) const +{ + REAL elements[6]; + m_matrix->GetElements(elements); + if (a) *a = elements[0]; + if (b) *b = elements[1]; + if (c) *c = elements[2]; + if (d) *d = elements[3]; + if (tx) *tx= elements[4]; + if (ty) *ty= elements[5]; +} + +// makes this the inverse matrix +void wxGDIPlusMatrixData::Invert() +{ + m_matrix->Invert(); +} + +// returns true if the elements of the transformation matrix are equal ? +bool wxGDIPlusMatrixData::IsEqual( const wxGraphicsMatrixData* t) const +{ + return m_matrix->Equals((Matrix*) t->GetNativeMatrix())== TRUE ; +} + +// return true if this is the identity matrix +bool wxGDIPlusMatrixData::IsIdentity() const +{ + return m_matrix->IsIdentity() == TRUE ; +} + +// +// transformation +// + +// add the translation to this matrix +void wxGDIPlusMatrixData::Translate( wxDouble dx , wxDouble dy ) +{ + m_matrix->Translate(dx,dy); +} + +// add the scale to this matrix +void wxGDIPlusMatrixData::Scale( wxDouble xScale , wxDouble yScale ) +{ + m_matrix->Scale(xScale,yScale); +} + +// add the rotation to this matrix (radians) +void wxGDIPlusMatrixData::Rotate( wxDouble angle ) +{ + m_matrix->Rotate( angle ); +} + +// +// apply the transforms +// + +// applies that matrix to the point +void wxGDIPlusMatrixData::TransformPoint( wxDouble *x, wxDouble *y ) const +{ + PointF pt(*x,*y); + m_matrix->TransformPoints(&pt); + *x = pt.X; + *y = pt.Y; +} + +// applies the matrix except for translations +void wxGDIPlusMatrixData::TransformDistance( wxDouble *dx, wxDouble *dy ) const +{ + PointF pt(*dx,*dy); + m_matrix->TransformVectors(&pt); + *dx = pt.X; + *dy = pt.Y; +} + +// returns the native representation +void * wxGDIPlusMatrixData::GetNativeMatrix() const +{ + return m_matrix; +} + +//----------------------------------------------------------------------------- +// wxGDIPlusContext implementation +//----------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxGDIPlusContext,wxGraphicsContext) +IMPLEMENT_DYNAMIC_CLASS(wxGDIPlusMeasuringContext,wxGDIPlusContext) + +class wxGDIPlusOffsetHelper +{ +public : + wxGDIPlusOffsetHelper( Graphics* gr , bool offset ) { - if ( width ) - *width = 0 ; + m_gr = gr; + m_offset = offset; + if ( m_offset ) + m_gr->TranslateTransform( 0.5, 0.5 ); } - else + ~wxGDIPlusOffsetHelper( ) { - // MeasureString does return a rectangle that is way too large, so it is - // not usable here - RectF layoutRect(0,0, 100000.0f, 100000.0f); - StringFormat strFormat; - CharacterRange strRange(0,wcslen(s)); - strFormat.SetMeasurableCharacterRanges(1,&strRange); - Region region ; - m_context->MeasureCharacterRanges(s, -1 , m_font,layoutRect, &strFormat,1,®ion) ; - RectF bbox ; - region.GetBounds(&bbox,m_context); - if ( width ) - *width = bbox.GetRight()-bbox.GetLeft()+0.5; + if ( m_offset ) + m_gr->TranslateTransform( -0.5, -0.5 ); } +public : + Graphics* m_gr; + bool m_offset; +} ; + +wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc, wxDouble width, wxDouble height ) + : wxGraphicsContext(renderer) +{ + Init(); + m_context = new Graphics( hdc); + m_width = width; + m_height = height; + SetDefaults(); } -void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const +wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, HWND hwnd ) + : wxGraphicsContext(renderer) { - widths.Empty(); - widths.Add(0, text.length()); + Init(); + m_context = new Graphics( hwnd); + RECT rect = wxGetWindowRect(hwnd); + m_width = rect.right - rect.left; + m_height = rect.bottom - rect.top; + SetDefaults(); +} - if (text.empty()) - return; +wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, Graphics* gr ) + : wxGraphicsContext(renderer) +{ + Init(); + m_context = gr; + SetDefaults(); +} - wxWCharBuffer ws = text.wc_str( *wxConvUI ); - size_t len = wcslen( ws ) ; - wxASSERT_MSG(text.length() == len , wxT("GetPartialTextExtents not yet implemented for multichar situations")); +wxGDIPlusContext::wxGDIPlusContext() : wxGraphicsContext(NULL) +{ + Init(); +} - RectF layoutRect(0,0, 100000.0f, 100000.0f); - StringFormat strFormat; +void wxGDIPlusContext::Init() +{ + m_context = NULL; + m_state1 = 0; + m_state2= 0; + m_height = 0; + m_width = 0; +} - 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); - m_context->MeasureCharacterRanges(ws, -1 , m_font,layoutRect, &strFormat,1,regions) ; +void wxGDIPlusContext::SetDefaults() +{ + m_context->SetTextRenderingHint(TextRenderingHintSystemDefault); + m_context->SetPixelOffsetMode(PixelOffsetModeHalf); + m_context->SetSmoothingMode(SmoothingModeHighQuality); + m_state1 = m_context->Save(); + m_state2 = m_context->Save(); +} - RectF bbox ; - for ( size_t i = 0 ; i < len ; ++i) +wxGDIPlusContext::~wxGDIPlusContext() +{ + if ( m_context ) { - regions[i].GetBounds(&bbox,m_context); - widths[i] = bbox.GetRight()-bbox.GetLeft(); + m_context->Restore( m_state2 ); + m_context->Restore( m_state1 ); + delete m_context; } } -void wxGDIPlusContext::SetFont( const wxFont &font ) + +void wxGDIPlusContext::Clip( const wxRegion ®ion ) { - wxASSERT( font.Ok()); - delete m_font; - wxWCharBuffer s = font.GetFaceName().wc_str( *wxConvUI ); - int size = font.GetPointSize(); - int style = FontStyleRegular; - if ( font.GetStyle() == wxFONTSTYLE_ITALIC ) - style |= FontStyleItalic; - if ( font.GetUnderlined() ) - style |= FontStyleUnderline; - if ( font.GetWeight() == wxFONTWEIGHT_BOLD ) - style |= FontStyleBold; - m_font = new Font( s , size , style ); + Region rgn((HRGN)region.GetHRGN()); + m_context->SetClip(&rgn,CombineModeIntersect); +} + +void wxGDIPlusContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +{ + m_context->SetClip(RectF(x,y,w,h),CombineModeIntersect); +} + +void wxGDIPlusContext::ResetClip() +{ + m_context->ResetClip(); } -wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC& dc) +void wxGDIPlusContext::StrokeLines( size_t n, const wxPoint2DDouble *points) { - return new wxGDIPlusContext( (HDC) dc.GetHDC() ); + 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; + } } +void wxGDIPlusContext::DrawLines( size_t n, const wxPoint2DDouble *points, wxPolygonFillMode WXUNUSED(fillStyle) ) +{ + if (m_composition == wxCOMPOSITION_DEST) + 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 ); + + } // 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_composition == wxCOMPOSITION_DEST) + return; + + if ( !m_pen.IsNull() ) + { + wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() ); + m_context->DrawPath( ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen() , (GraphicsPath*) path.GetNativePath() ); + } +} + +void wxGDIPlusContext::FillPath( const wxGraphicsPath& path , wxPolygonFillMode fillStyle ) +{ + if (m_composition == wxCOMPOSITION_DEST) + return; + + if ( !m_brush.IsNull() ) + { + wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() ); + ((GraphicsPath*) path.GetNativePath())->SetFillMode( fillStyle == wxODDEVEN_RULE ? FillModeAlternate : FillModeWinding); + m_context->FillPath( ((wxGDIPlusBrushData*)m_brush.GetRefData())->GetGDIPlusBrush() , + (GraphicsPath*) path.GetNativePath()); + } +} + +bool wxGDIPlusContext::SetAntialiasMode(wxAntialiasMode antialias) +{ + if (m_antialias == antialias) + return true; + + m_antialias = antialias; + + SmoothingMode antialiasMode; + switch (antialias) + { + case wxANTIALIAS_DEFAULT: + antialiasMode = SmoothingModeHighQuality; + break; + case wxANTIALIAS_NONE: + antialiasMode = SmoothingModeNone; + break; + default: + return false; + } + m_context->SetSmoothingMode(antialiasMode); + return true; +} + +bool wxGDIPlusContext::SetCompositionMode(wxCompositionMode op) +{ + if ( m_composition == op ) + return true; + + m_composition = op; + + if (m_composition == wxCOMPOSITION_DEST) + return true; + + CompositingMode cop; + switch (op) + { + case wxCOMPOSITION_SOURCE: + cop = CompositingModeSourceCopy; + break; + case wxCOMPOSITION_OVER: + cop = CompositingModeSourceOver; + break; + default: + return false; + } + + m_context->SetCompositingMode(cop); + return true; +} + +void wxGDIPlusContext::BeginLayer(wxDouble /* opacity */) +{ + // TODO +} + +void wxGDIPlusContext::EndLayer() +{ + // TODO +} + +void wxGDIPlusContext::Rotate( wxDouble angle ) +{ + m_context->RotateTransform( RadToDeg(angle) ); +} + +void wxGDIPlusContext::Translate( wxDouble dx , wxDouble dy ) +{ + m_context->TranslateTransform( dx , dy ); +} + +void wxGDIPlusContext::Scale( wxDouble xScale , wxDouble yScale ) +{ + m_context->ScaleTransform(xScale,yScale); +} + +void wxGDIPlusContext::PushState() +{ + GraphicsState state = m_context->Save(); + m_stateStack.push(state); +} + +void wxGDIPlusContext::PopState() +{ + GraphicsState state = m_stateStack.top(); + m_stateStack.pop(); + m_context->Restore(state); +} + +void wxGDIPlusContext::DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +{ + if (m_composition == wxCOMPOSITION_DEST) + return; + + Bitmap* image = static_cast(bmp.GetRefData())->GetGDIPlusBitmap(); + if ( image ) + { + if( image->GetWidth() != (UINT) w || image->GetHeight() != (UINT) h ) + { + 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->SetPixelOffsetMode( PixelOffsetModeHalf ); + } + else + m_context->DrawImage(image,(REAL) x,(REAL) y,(REAL) w,(REAL) h) ; + } +} + +void wxGDIPlusContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +{ + wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp); + DrawBitmap(bitmap, x, y, w, h); +} + +void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +{ + if (m_composition == wxCOMPOSITION_DEST) + return; + + // the built-in conversion fails when there is alpha in the HICON (eg XP style icons), we can only + // find out by looking at the bitmap data whether there really was alpha in it + HICON hIcon = (HICON)icon.GetHICON(); + ICONINFO iconInfo ; + // IconInfo creates the bitmaps for color and mask, we must dispose of them after use + if (!GetIconInfo(hIcon,&iconInfo)) + return; + + Bitmap interim(iconInfo.hbmColor,NULL); + + Bitmap* image = NULL ; + + // if it's not 32 bit, it doesn't have an alpha channel, note that since the conversion doesn't + // work correctly, asking IsAlphaPixelFormat at this point fails as well + if( GetPixelFormatSize(interim.GetPixelFormat())!= 32 ) + { + image = Bitmap::FromHICON(hIcon); + } + else + { + size_t width = interim.GetWidth(); + size_t height = interim.GetHeight(); + Rect bounds(0,0,width,height); + BitmapData data ; + + interim.LockBits(&bounds, ImageLockModeRead, + interim.GetPixelFormat(),&data); + + bool hasAlpha = false; + for ( size_t y = 0 ; y < height && !hasAlpha ; ++y) + { + for( size_t x = 0 ; x < width && !hasAlpha; ++x) + { + ARGB *dest = (ARGB*)((BYTE*)data.Scan0 + data.Stride*y + x*4); + if ( ( *dest & Color::AlphaMask ) != 0 ) + hasAlpha = true; + } + } + + if ( hasAlpha ) + { + image = new Bitmap(data.Width, data.Height, data.Stride, + PixelFormat32bppARGB , (BYTE*) data.Scan0); + } + else + { + image = Bitmap::FromHICON(hIcon); + } + + interim.UnlockBits(&data); + } + + m_context->DrawImage(image,(REAL) x,(REAL) y,(REAL) w,(REAL) h) ; + + delete image ; + DeleteObject(iconInfo.hbmColor); + DeleteObject(iconInfo.hbmMask); +} + +void wxGDIPlusContext::DoDrawFilledText(const wxString& str, + wxDouble x, wxDouble y, + const wxGraphicsBrush& brush) +{ + if (m_composition == wxCOMPOSITION_DEST) + return; + + wxCHECK_RET( !m_font.IsNull(), + wxT("wxGDIPlusContext::DrawText - no valid font set") ); + + if ( str.IsEmpty()) + return ; + + wxGDIPlusFontData * const + fontData = (wxGDIPlusFontData *)m_font.GetRefData(); + wxGDIPlusBrushData * const + brushData = (wxGDIPlusBrushData *)brush.GetRefData(); + + m_context->DrawString + ( + str.wc_str(*wxConvUI), // string to draw, always Unicode + -1, // length: string is NUL-terminated + fontData->GetGDIPlusFont(), + PointF(x, y), + StringFormat::GenericTypographic(), + brushData ? brushData->GetGDIPlusBrush() + : fontData->GetGDIPlusBrush() + ); +} + +void wxGDIPlusContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height, + wxDouble *descent, wxDouble *externalLeading ) const +{ + wxCHECK_RET( !m_font.IsNull(), wxT("wxGDIPlusContext::GetTextExtent - no valid font set") ); + + wxWCharBuffer s = str.wc_str( *wxConvUI ); + FontFamily ffamily ; + Font* f = ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusFont(); + + f->GetFamily(&ffamily) ; + + REAL factorY = m_context->GetDpiY() / 72.0 ; + + REAL rDescent = ffamily.GetCellDescent(FontStyleRegular) * + f->GetSize() / ffamily.GetEmHeight(FontStyleRegular); + REAL rAscent = ffamily.GetCellAscent(FontStyleRegular) * + f->GetSize() / ffamily.GetEmHeight(FontStyleRegular); + REAL rHeight = ffamily.GetLineSpacing(FontStyleRegular) * + f->GetSize() / ffamily.GetEmHeight(FontStyleRegular); + + if ( height ) + *height = rHeight * factorY; + if ( descent ) + *descent = rDescent * factorY; + if ( externalLeading ) + *externalLeading = (rHeight - rAscent - rDescent) * factorY; + // measuring empty strings is not guaranteed, so do it by hand + if ( str.IsEmpty()) + { + if ( width ) + *width = 0 ; + } + else + { + RectF layoutRect(0,0, 100000.0f, 100000.0f); + StringFormat strFormat( StringFormat::GenericTypographic() ); + strFormat.SetFormatFlags( StringFormatFlagsMeasureTrailingSpaces | strFormat.GetFormatFlags() ); + + RectF bounds ; + m_context->MeasureString((const wchar_t *) s , wcslen(s) , f, layoutRect, &strFormat, &bounds ) ; + if ( width ) + *width = bounds.Width; + } +} + +void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const +{ + widths.Empty(); + widths.Add(0, text.length()); + + wxCHECK_RET( !m_font.IsNull(), wxT("wxGDIPlusContext::GetPartialTextExtents - no valid font set") ); + + if (text.empty()) + return; + + Font* f = ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusFont(); + wxWCharBuffer ws = text.wc_str( *wxConvUI ); + size_t len = wcslen( ws ) ; + wxASSERT_MSG(text.length() == len , wxT("GetPartialTextExtents not yet implemented for multichar situations")); + + RectF layoutRect(0,0, 100000.0f, 100000.0f); + StringFormat strFormat( StringFormat::GenericTypographic() ); + + size_t startPosition = 0; + size_t remainder = len; + const size_t maxSpan = 32; + CharacterRange* ranges = new CharacterRange[maxSpan] ; + Region* regions = new Region[maxSpan]; + + while( remainder > 0 ) + { + 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 +{ + int penwidth = 0 ; + if ( !m_pen.IsNull() ) + { + penwidth = (int)((wxGDIPlusPenData*)m_pen.GetRefData())->GetWidth(); + if ( penwidth == 0 ) + penwidth = 1; + } + return ( penwidth % 2 ) == 1; +} + +void* wxGDIPlusContext::GetNativeContext() +{ + return m_context; +} + +// concatenates this transform with the current transform of this context +void wxGDIPlusContext::ConcatTransform( const wxGraphicsMatrix& matrix ) +{ + m_context->MultiplyTransform((Matrix*) matrix.GetNativeMatrix()); +} + +// sets the transform of this context +void wxGDIPlusContext::SetTransform( const wxGraphicsMatrix& matrix ) +{ + m_context->SetTransform((Matrix*) matrix.GetNativeMatrix()); +} + +// gets the matrix of this context +wxGraphicsMatrix wxGDIPlusContext::GetTransform() const +{ + wxGraphicsMatrix matrix = CreateMatrix(); + m_context->GetTransform((Matrix*) matrix.GetNativeMatrix()); + return matrix; +} + +void wxGDIPlusContext::GetSize( wxDouble* width, wxDouble *height ) +{ + *width = m_width; + *height = m_height; +} +//----------------------------------------------------------------------------- +// 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); + + 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); + + + 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 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) +} ; + +//----------------------------------------------------------------------------- +// wxGDIPlusRenderer implementation +//----------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxGDIPlusRenderer,wxGraphicsRenderer) + +static wxGDIPlusRenderer gs_GDIPlusRenderer; + +wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer() +{ + return &gs_GDIPlusRenderer; +} + +bool wxGDIPlusRenderer::EnsureIsLoaded() +{ + // load gdiplus.dll if not yet loaded, but don't bother doing it again + // if we already tried and failed (we don't want to spend lot of time + // returning NULL from wxGraphicsContext::Create(), which may be called + // relatively frequently): + if ( m_loaded == -1 ) + { + Load(); + } + + return m_loaded == 1; +} + +// call EnsureIsLoaded() and return returnOnFail value if it fails +#define ENSURE_LOADED_OR_RETURN(returnOnFail) \ + if ( !EnsureIsLoaded() ) \ + return (returnOnFail) + + +void wxGDIPlusRenderer::Load() +{ + GdiplusStartupInput input; + GdiplusStartupOutput output; + if ( GdiplusStartup(&m_gditoken,&input,&output) == Gdiplus::Ok ) + { + wxLogTrace("gdiplus", "successfully initialized GDI+"); + m_loaded = 1; + } + else + { + wxLogTrace("gdiplus", "failed to initialize GDI+, missing gdiplus.dll?"); + m_loaded = 0; + } +} + +void wxGDIPlusRenderer::Unload() +{ + if ( m_gditoken ) + { + GdiplusShutdown(m_gditoken); + m_gditoken = NULL; + } + 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); +} + +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); +} + +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); +} + +wxGraphicsContext * wxGDIPlusRenderer::CreateMeasuringContext() +{ + ENSURE_LOADED_OR_RETURN(NULL); + return new wxGDIPlusMeasuringContext(this); +} + +wxGraphicsContext * wxGDIPlusRenderer::CreateContextFromNativeContext( void * context ) +{ + ENSURE_LOADED_OR_RETURN(NULL); + return new wxGDIPlusContext(this,(Graphics*) context); +} + + +wxGraphicsContext * wxGDIPlusRenderer::CreateContextFromNativeWindow( void * window ) +{ + ENSURE_LOADED_OR_RETURN(NULL); + return new wxGDIPlusContext(this,(HWND) window); +} + +wxGraphicsContext * wxGDIPlusRenderer::CreateContext( wxWindow* window ) +{ + ENSURE_LOADED_OR_RETURN(NULL); + return new wxGDIPlusContext(this, (HWND) window->GetHWND() ); +} + +// Path + +wxGraphicsPath wxGDIPlusRenderer::CreatePath() +{ + ENSURE_LOADED_OR_RETURN(wxNullGraphicsPath); + wxGraphicsPath m; + m.SetRefData( new wxGDIPlusPathData(this)); + return m; +} + + +// Matrix + +wxGraphicsMatrix wxGDIPlusRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, + wxDouble tx, wxDouble ty) + +{ + ENSURE_LOADED_OR_RETURN(wxNullGraphicsMatrix); + wxGraphicsMatrix m; + wxGDIPlusMatrixData* data = new wxGDIPlusMatrixData( this ); + data->Set( a,b,c,d,tx,ty ) ; + m.SetRefData(data); + return m; +} + +wxGraphicsPen wxGDIPlusRenderer::CreatePen(const wxPen& pen) +{ + ENSURE_LOADED_OR_RETURN(wxNullGraphicsPen); + if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT ) + return wxNullGraphicsPen; + else + { + wxGraphicsPen p; + p.SetRefData(new wxGDIPlusPenData( this, pen )); + return p; + } +} + +wxGraphicsBrush wxGDIPlusRenderer::CreateBrush(const wxBrush& brush ) +{ + ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush); + if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT ) + return wxNullGraphicsBrush; + else + { + wxGraphicsBrush p; + p.SetRefData(new wxGDIPlusBrushData( this, brush )); + return p; + } +} + +// 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) +{ + ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush); + wxGraphicsBrush p; + wxGDIPlusBrushData* d = new wxGDIPlusBrushData( this ); + d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2); + 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) +{ + ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush); + wxGraphicsBrush p; + wxGDIPlusBrushData* d = new wxGDIPlusBrushData( this ); + d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor); + p.SetRefData(d); + return p; +} + +// sets the font +wxGraphicsFont wxGDIPlusRenderer::CreateFont( const wxFont &font , const wxColour &col ) +{ + ENSURE_LOADED_OR_RETURN(wxNullGraphicsFont); + if ( font.Ok() ) + { + wxGraphicsFont p; + p.SetRefData(new wxGDIPlusFontData( this , font, col )); + return p; + } + else + return wxNullGraphicsFont; +} + +wxGraphicsBitmap wxGDIPlusRenderer::CreateBitmap( const wxBitmap &bitmap ) +{ + ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap); + if ( bitmap.Ok() ) + { + wxGraphicsBitmap p; + p.SetRefData(new wxGDIPlusBitmapData( this , bitmap )); + return p; + } + else + 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); + Bitmap* image = static_cast(bitmap.GetRefData())->GetGDIPlusBitmap(); + if ( image ) + { + wxGraphicsBitmap p; + p.SetRefData(new wxGDIPlusBitmapData( this , image->Clone( (REAL) x , (REAL) y , (REAL) w , (REAL) h , PixelFormat32bppPARGB) )); + return p; + } + else + return wxNullGraphicsBitmap; +} + +// Shutdown GDI+ at app exit, before possible dll unload +class wxGDIPlusRendererModule : public wxModule +{ +public: + virtual bool OnInit() { return true; } + virtual void OnExit() { gs_GDIPlusRenderer.Unload(); } + +private: + DECLARE_DYNAMIC_CLASS(wxGDIPlusRendererModule) +}; + +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(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(gc->GetNativeContext()); + wxCHECK_RET( g, "can't release HDC because there is no Graphics" ); + + g->ReleaseHDC((HDC)hdc); +} #endif // wxUSE_GRAPHICS_CONTEXT