#pragma hdrstop
#endif
+#if wxUSE_GRAPHICS_CONTEXT
+
#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"
+ #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"
+#include "wx/msw/wrapgdip.h"
-#if wxUSE_GRAPHICS_CONTEXT
-
-#include <vector>
+#include "wx/stack.h"
-using namespace std;
+WX_DECLARE_STACK(GraphicsState, GraphicsStates);
//-----------------------------------------------------------------------------
// constants
#include <commdlg.h>
#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
// 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 ) ;
/*
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, int 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 );
- // clips drawings to the rect
- virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
-
- // resets the clipping to original extent
- virtual void ResetClip();
-
- virtual void * GetNativeContext();
-
- virtual void StrokePath( const wxGraphicsPath *p );
- virtual void FillPath( const wxGraphicsPath *p , int fillStyle = wxWINDING_RULE );
-
- 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);
-
- virtual void Translate( wxDouble dx , wxDouble dy );
- virtual void Scale( wxDouble xScale , wxDouble yScale );
- virtual void Rotate( wxDouble angle );
+ // concatenates the matrix
+ virtual void Concat( const wxGraphicsMatrixData *t );
- 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();
+ // 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 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;
+ // gets the component valuess of the matrix
+ virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL, wxDouble* c=NULL,
+ wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const;
+
+ // makes this the inverse matrix
+ virtual void Invert();
+
+ // 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<GraphicsState> 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;
-
- Brush* m_brush;
- bool m_brushTransparent;
- Image* m_brushImage;
- GraphicsPath* m_brushPath;
- Brush* m_textBrush;
- Font* m_font;
- // wxPen m_pen;
- // wxBrush m_brush;
+ wxDouble m_width;
};
-wxGDIPlusPath::wxGDIPlusPath()
-{
- m_path = new GraphicsPath();
-}
-
-wxGDIPlusPath::~wxGDIPlusPath()
+class wxGDIPlusBrushData : public wxGraphicsObjectRefData
{
- delete m_path;
-}
-
-GraphicsPath* wxGDIPlusPath::GetPath() const
-{
- return m_path;
-}
+public:
+ wxGDIPlusBrushData( wxGraphicsRenderer* renderer );
+ wxGDIPlusBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush );
+ ~wxGDIPlusBrushData ();
-//
-// The Primitives
-//
+ 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; }
-void wxGDIPlusPath::MoveToPoint( wxDouble x , wxDouble y )
-{
- m_path->StartFigure();
- m_path->AddLine((REAL) x,(REAL) y,(REAL) x,(REAL) y);
-}
+protected:
+ virtual void Init();
-void wxGDIPlusPath::AddLineToPoint( wxDouble x , wxDouble y )
-{
- m_path->AddLine((REAL) x,(REAL) y,(REAL) x,(REAL) y);
-}
+private :
+ Brush* m_brush;
+ Image* m_brushImage;
+ GraphicsPath* m_brushPath;
+};
-void wxGDIPlusPath::CloseSubpath()
+class wxGDIPlusFontData : public wxGraphicsObjectRefData
{
- m_path->CloseFigure();
-}
+public:
+ wxGDIPlusFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col );
+ ~wxGDIPlusFontData();
-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);
-}
+ virtual Brush* GetGDIPlusBrush() { return m_textBrush; }
+ virtual Font* GetGDIPlusFont() { return m_font; }
+private :
+ Brush* m_textBrush;
+ Font* m_font;
+};
-// gets the last point of the current path, (0,0) if not yet set
-void wxGDIPlusPath::GetCurrentPoint( wxDouble& x, wxDouble&y)
+class wxGDIPlusContext : public wxGraphicsContext
{
- PointF start;
- m_path->GetLastPoint(&start);
- x = start.X ;
- y = start.Y ;
-}
+public:
+ wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc );
+ wxGDIPlusContext( wxGraphicsRenderer* renderer, HWND hwnd );
+ wxGDIPlusContext( wxGraphicsRenderer* renderer, Graphics* gr);
+ wxGDIPlusContext();
-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 ~wxGDIPlusContext();
- }
- }
- m_path->AddArc((REAL) (x-r),(REAL) (y-r),(REAL) (2*r),(REAL) (2*r),RadToDeg(startAngle),RadToDeg(sweepAngle));
-}
+ virtual void Clip( const wxRegion ®ion );
+ // clips drawings to the rect
+ virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
-void wxGDIPlusPath::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
-{
- m_path->AddRectangle(RectF(x,y,w,h));
-}
+ // resets the clipping to original extent
+ virtual void ResetClip();
-//
-//
-//
-/*
-// 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 void * GetNativeContext();
-*/
+ virtual void StrokePath( const wxGraphicsPath& p );
+ virtual void FillPath( const wxGraphicsPath& p , int fillStyle = wxODDEVEN_RULE );
-//-----------------------------------------------------------------------------
-// wxGDIPlusContext implementation
-//-----------------------------------------------------------------------------
+ // stroke lines connecting each of the points
+ virtual void StrokeLines( size_t n, const wxPoint2DDouble *points);
-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();
+ // draws a polygon
+ virtual void DrawLines( size_t n, const wxPoint2DDouble *points, int fillStyle = wxODDEVEN_RULE );
- // 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 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) )
-{
-// TODO
-}
+ 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;
+ virtual bool ShouldOffset() const;
-void wxGDIPlusContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
-{
-// TODO
-}
-
-void wxGDIPlusContext::ResetClip()
-{
-// TODO
-}
+private:
+ void Init();
+ void SetDefaults();
-void wxGDIPlusContext::StrokePath( const wxGraphicsPath *p )
-{
- if ( m_penTransparent )
- return;
+ Graphics* m_context;
+ GraphicsStates m_stateStack;
+ GraphicsState m_state1;
+ GraphicsState m_state2;
- const wxGDIPlusPath* path = dynamic_cast< const wxGDIPlusPath*>( p );
- m_context->DrawPath( m_pen , path->GetPath() );
-}
+ DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusContext)
+};
-void wxGDIPlusContext::FillPath( const wxGraphicsPath *p , int fillStyle )
+class WXDLLIMPEXP_CORE wxGDIPlusMeasuringContext : public wxGDIPlusContext
{
- if ( !m_brushTransparent )
+public:
+ wxGDIPlusMeasuringContext( wxGraphicsRenderer* renderer ) : wxGDIPlusContext( renderer , m_hdc = GetDC(NULL) )
+ {
+ }
+ wxGDIPlusMeasuringContext()
{
- const wxGDIPlusPath* path = dynamic_cast< const wxGDIPlusPath*>( p );
- path->GetPath()->SetFillMode( fillStyle == wxODDEVEN_RULE ? FillModeAlternate : FillModeWinding);
- m_context->FillPath( m_brush , path->GetPath() );
}
-}
-
-wxGraphicsPath* wxGDIPlusContext::CreatePath()
-{
- return new wxGDIPlusPath();
-}
-
-void wxGDIPlusContext::Rotate( wxDouble angle )
-{
- m_context->RotateTransform( RadToDeg(angle) );
-}
-void wxGDIPlusContext::Translate( wxDouble dx , wxDouble dy )
-{
- m_context->TranslateTransform( dx , dy );
-}
+ virtual ~wxGDIPlusMeasuringContext()
+ {
+ ReleaseDC( NULL, m_hdc );
+ }
-void wxGDIPlusContext::Scale( wxDouble xScale , wxDouble yScale )
-{
- m_context->ScaleTransform(xScale,yScale);
-}
+private:
+ HDC m_hdc ;
+ DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusMeasuringContext)
+} ;
-void wxGDIPlusContext::PushState()
-{
- GraphicsState state = m_context->Save();
- m_stateStack.push_back(state);
-}
+//-----------------------------------------------------------------------------
+// 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() )
{
join = LineJoinMiter;
break;
}
-
+
m_pen->SetLineJoin(join);
m_pen->SetDashStyle(DashStyleSolid);
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 );
default :
if ( pen.GetStyle() >= wxFIRST_HATCH && pen.GetStyle() <= wxLAST_HATCH )
{
- wxDELETE( m_penBrush );
HatchStyle style = HatchStyleHorizontal;
switch( pen.GetStyle() )
{
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() ,
m_brush = new HatchBrush(style,Color( brush.GetColour().Alpha() , brush.GetColour().Red() ,
brush.GetColour().Green() , brush.GetColour().Blue() ), Color::Transparent );
}
- else
+ else
{
wxBitmap* bmp = brush.GetStipple();
if ( bmp && bmp->Ok() )
}
}
-void 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));
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
+//-----------------------------------------------------------------------------
+// wxGDIPlusFont implementation
+//-----------------------------------------------------------------------------
+
+wxGDIPlusFontData::wxGDIPlusFontData( wxGraphicsRenderer* renderer, 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;
+ 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;
+}
+
+//-----------------------------------------------------------------------------
+// wxGDIPlusPath implementation
+//-----------------------------------------------------------------------------
+
+wxGDIPlusPathData::wxGDIPlusPathData(wxGraphicsRenderer* renderer, GraphicsPath* path ) : wxGraphicsPathData(renderer)
+{
+ if ( path )
+ m_path = path;
+ else
+ m_path = new GraphicsPath();
+}
+
+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)
+ {
+ sweepAngle = 2 * M_PI;
+ }
+ else
+ {
+ if ( clockwise )
+ {
+ if( sweepAngle < 0 )
+ sweepAngle += 2 * M_PI;
+ }
+ else
+ {
+ if( sweepAngle > 0 )
+ sweepAngle -= 2 * M_PI;
+
+ }
+ }
+ m_path->AddArc((REAL) (x-r),(REAL) (y-r),(REAL) (2*r),(REAL) (2*r),RadToDeg(startAngle),RadToDeg(sweepAngle));
+}
+
+void wxGDIPlusPathData::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
+ m_path->AddRectangle(RectF(x,y,w,h));
+}
+
+void wxGDIPlusPathData::AddPath( const wxGraphicsPathData* path )
+{
+ m_path->AddPath( (GraphicsPath*) path->GetNativePath(), FALSE);
+}
+
+
+// transforms each point of this path by the matrix
+void wxGDIPlusPathData::Transform( const wxGraphicsMatrixData* matrix )
+{
+ m_path->Transform( (Matrix*) matrix->GetNativeMatrix() );
+}
+
+// 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;
+}
+
+bool wxGDIPlusPathData::Contains( wxDouble x, wxDouble y, int fillStyle ) const
+{
+ m_path->SetFillMode( fillStyle == wxODDEVEN_RULE ? FillModeAlternate : FillModeWinding);
+ return m_path->IsVisible( (FLOAT) x,(FLOAT) y) == TRUE ;
+}
+
+//-----------------------------------------------------------------------------
+// wxGDIPlusMatrixData implementation
+//-----------------------------------------------------------------------------
+
+wxGDIPlusMatrixData::wxGDIPlusMatrixData(wxGraphicsRenderer* renderer, Matrix* matrix )
+ : wxGraphicsMatrixData(renderer)
+{
+ if ( matrix )
+ m_matrix = matrix ;
+ else
+ m_matrix = new Matrix();
+}
+
+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 )
+ {
+ m_gr = gr;
+ m_offset = offset;
+ if ( m_offset )
+ m_gr->TranslateTransform( 0.5, 0.5 );
+ }
+ ~wxGDIPlusOffsetHelper( )
+ {
+ if ( m_offset )
+ m_gr->TranslateTransform( -0.5, -0.5 );
+ }
+public :
+ Graphics* m_gr;
+ bool m_offset;
+} ;
+
+wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc )
+ : wxGraphicsContext(renderer)
+{
+ Init();
+ m_context = new Graphics( hdc);
+ SetDefaults();
+}
+
+wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, HWND hwnd )
+ : wxGraphicsContext(renderer)
+{
+ Init();
+ m_context = new Graphics( hwnd);
+ SetDefaults();
+}
+
+wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, Graphics* gr )
+ : wxGraphicsContext(renderer)
+{
+ Init();
+ m_context = gr;
+ SetDefaults();
+}
+
+wxGDIPlusContext::wxGDIPlusContext() : wxGraphicsContext(NULL)
+{
+ Init();
+}
+
+void wxGDIPlusContext::Init()
+{
+ m_context = NULL;
+ m_state1 = 0;
+ m_state2= 0;
+}
+
+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();
+}
+
+wxGDIPlusContext::~wxGDIPlusContext()
+{
+ if ( m_context )
+ {
+ m_context->Restore( m_state2 );
+ m_context->Restore( m_state1 );
+ delete m_context;
+ }
+}
+
+
+void wxGDIPlusContext::Clip( const wxRegion ®ion )
+{
+ 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();
+}
+
+void wxGDIPlusContext::StrokeLines( size_t n, const wxPoint2DDouble *points)
+{
+ 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, int WXUNUSED(fillStyle) )
+{
+ 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_pen.IsNull() )
+ {
+ wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() );
+ m_context->DrawPath( ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen() , (GraphicsPath*) path.GetNativePath() );
+ }
+}
+
+void wxGDIPlusContext::FillPath( const wxGraphicsPath& path , int fillStyle )
+{
+ 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());
+ }
+}
+
+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);
+}
+
+// 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
-void wxGDIPlusContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+void wxGDIPlusContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
{
Bitmap* image = NULL;
Bitmap* helper = NULL;
if ( bmp.GetMask() )
- {
+ {
Bitmap interim((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE()) ;
size_t width = interim.GetWidth();
wxASSERT(interimMask.GetPixelFormat() == PixelFormat1bppIndexed);
BitmapData dataMask ;
- interimMask.LockBits(&bounds,ImageLockModeRead,
+ interimMask.LockBits(&bounds,ImageLockModeRead,
interimMask.GetPixelFormat(),&dataMask);
}
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();
helper->LockBits(&bounds, ImageLockModeRead,
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);
}
delete helper ;
}
-void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
{
+ // 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 iconBmpData ;
- GetObject(iconInfo.hbmColor,sizeof(BITMAP),&iconBmpData);
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);
interim.LockBits(&bounds, ImageLockModeRead,
interim.GetPixelFormat(),&data);
- image = new Bitmap(data.Width, data.Height, data.Stride,
+
+ 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);
}
DeleteObject(iconInfo.hbmMask);
}
-
-void wxGDIPlusContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
+void wxGDIPlusContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
{
- if ( str.IsEmpty())
+ if ( m_font.IsNull() || str.IsEmpty())
return ;
wxWCharBuffer s = str.wc_str( *wxConvUI );
- m_context->DrawString( s , -1 , m_font , PointF( x , y ) , m_textBrush );
- // TODO m_backgroundMode == wxSOLID
+ m_context->DrawString( s , -1 , ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusFont() ,
+ PointF( x , y ) , StringFormat::GenericTypographic() , ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusBrush() );
}
void wxGDIPlusContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
{
wxWCharBuffer s = str.wc_str( *wxConvUI );
FontFamily ffamily ;
-
- m_font->GetFamily(&ffamily) ;
+ Font* f = ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusFont();
+
+ f->GetFamily(&ffamily) ;
REAL factorY = m_context->GetDpiY() / 72.0 ;
REAL rDescent = ffamily.GetCellDescent(FontStyleRegular) *
- m_font->GetSize() / ffamily.GetEmHeight(FontStyleRegular);
+ f->GetSize() / ffamily.GetEmHeight(FontStyleRegular);
REAL rAscent = ffamily.GetCellAscent(FontStyleRegular) *
- m_font->GetSize() / ffamily.GetEmHeight(FontStyleRegular);
+ f->GetSize() / ffamily.GetEmHeight(FontStyleRegular);
REAL rHeight = ffamily.GetLineSpacing(FontStyleRegular) *
- m_font->GetSize() / ffamily.GetEmHeight(FontStyleRegular);
+ f->GetSize() / ffamily.GetEmHeight(FontStyleRegular);
if ( height )
- *height = rHeight * factorY + 0.5 ;
+ *height = rHeight * factorY;
if ( descent )
- *descent = rDescent * factorY + 0.5 ;
+ *descent = rDescent * factorY;
if ( externalLeading )
- *externalLeading = (rHeight - rAscent - rDescent) * factorY + 0.5 ;
+ *externalLeading = (rHeight - rAscent - rDescent) * factorY;
// measuring empty strings is not guaranteed, so do it by hand
- if ( str.IsEmpty())
+ if ( str.IsEmpty())
{
if ( width )
*width = 0 ;
}
else
{
- // 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);
+ 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 = bbox.GetRight()-bbox.GetLeft()+0.5;
+ *width = bounds.Width;
}
}
-void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const
+void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const
{
widths.Empty();
widths.Add(0, text.length());
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 strFormat( StringFormat::GenericTypographic() );
CharacterRange* ranges = new CharacterRange[len] ;
Region* regions = new Region[len];
ranges[i].Length = 1 ;
}
strFormat.SetMeasurableCharacterRanges(len,ranges);
- m_context->MeasureCharacterRanges(ws, -1 , m_font,layoutRect, &strFormat,1,regions) ;
+ strFormat.SetFormatFlags( StringFormatFlagsMeasureTrailingSpaces | strFormat.GetFormatFlags() );
+ m_context->MeasureCharacterRanges(ws, -1 , f,layoutRect, &strFormat,1,regions) ;
RectF bbox ;
for ( size_t i = 0 ; i < len ; ++i)
}
}
-void wxGDIPlusContext::SetFont( const wxFont &font )
+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()
{
- 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 );
+ 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;
+}
+//-----------------------------------------------------------------------------
+// wxGDIPlusRenderer declaration
+//-----------------------------------------------------------------------------
+
+class wxGDIPlusRenderer : public wxGraphicsRenderer
+{
+public :
+ wxGDIPlusRenderer()
+ {
+ m_loaded = false;
+ m_gditoken = 0;
+ }
+
+ virtual ~wxGDIPlusRenderer()
+ {
+ if (m_loaded)
+ {
+ Unload();
+ }
+ }
+
+ // Context
+
+ virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
+
+ virtual wxGraphicsContext * CreateContext( const wxMemoryDC& 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 ) ;
+protected :
+ void EnsureIsLoaded();
+ void Load();
+ void Unload();
+ friend class wxGDIPlusRendererModule;
+
+private :
+ bool 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;
+}
+
+void wxGDIPlusRenderer::EnsureIsLoaded()
+{
+ if (!m_loaded)
+ {
+ Load();
+ }
+}
+
+void wxGDIPlusRenderer::Load()
+{
+ GdiplusStartupInput input;
+ GdiplusStartupOutput output;
+ GdiplusStartup(&m_gditoken,&input,&output);
+ m_loaded = true;
}
-void* wxGDIPlusContext::GetNativeContext()
+void wxGDIPlusRenderer::Unload()
{
- return m_context;
+ if ( m_gditoken )
+ {
+ GdiplusShutdown(m_gditoken);
+ m_gditoken = NULL;
+ }
+ m_loaded = false;
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxWindowDC& dc)
+{
+ EnsureIsLoaded();
+ return new wxGDIPlusContext(this,(HDC) dc.GetHDC());
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxMemoryDC& dc)
+{
+ EnsureIsLoaded();
+ return new wxGDIPlusContext(this,(HDC) dc.GetHDC());
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateMeasuringContext()
+{
+ EnsureIsLoaded();
+ return new wxGDIPlusMeasuringContext(this);
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContextFromNativeContext( void * context )
+{
+ EnsureIsLoaded();
+ return new wxGDIPlusContext(this,(Graphics*) context);
+}
+
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContextFromNativeWindow( void * window )
+{
+ EnsureIsLoaded();
+ return new wxGDIPlusContext(this,(HWND) window);
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( wxWindow* window )
+{
+ EnsureIsLoaded();
+ return new wxGDIPlusContext(this, (HWND) window->GetHWND() );
+}
+
+// Path
+
+wxGraphicsPath wxGDIPlusRenderer::CreatePath()
+{
+ EnsureIsLoaded();
+ wxGraphicsPath m;
+ m.SetRefData( new wxGDIPlusPathData(this));
+ return m;
}
-wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC& dc)
+
+// Matrix
+
+wxGraphicsMatrix wxGDIPlusRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d,
+ wxDouble tx, wxDouble ty)
+
{
- return new wxGDIPlusContext( (HDC) dc.GetHDC() );
+ EnsureIsLoaded();
+ wxGraphicsMatrix m;
+ wxGDIPlusMatrixData* data = new wxGDIPlusMatrixData( this );
+ data->Set( a,b,c,d,tx,ty ) ;
+ m.SetRefData(data);
+ return m;
}
-wxGraphicsContext* wxGraphicsContext::Create( wxWindow * window )
+wxGraphicsPen wxGDIPlusRenderer::CreatePen(const wxPen& pen)
{
- return NULL; // TODO
+ EnsureIsLoaded();
+ if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT )
+ return wxNullGraphicsPen;
+ else
+ {
+ wxGraphicsPen p;
+ p.SetRefData(new wxGDIPlusPenData( this, pen ));
+ return p;
+ }
}
-wxGraphicsContext* wxGraphicsContext::CreateFromNative( void * context )
+wxGraphicsBrush wxGDIPlusRenderer::CreateBrush(const wxBrush& brush )
{
- return NULL; // TODO
+ EnsureIsLoaded();
+ 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)
+{
+ EnsureIsLoaded();
+ 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)
+{
+ EnsureIsLoaded();
+ 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 )
+{
+ EnsureIsLoaded();
+ if ( font.Ok() )
+ {
+ wxGraphicsFont p;
+ p.SetRefData(new wxGDIPlusFontData( this , font, col ));
+ return p;
+ }
+ else
+ return wxNullGraphicsFont;
+}
+
+// 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)
#endif // wxUSE_GRAPHICS_CONTEXT
projects / wxWidgets.git / blobdiff