X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/773ccc318e21e2ce170789aaaaaa18b8b0f1878e..722f74cec895bbc284ba7b7a7213ee5cf2a1ab95:/src/msw/graphics.cpp diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp index cda93a281a..15e3bd87d4 100644 --- a/src/msw/graphics.cpp +++ b/src/msw/graphics.cpp @@ -17,29 +17,31 @@ #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" - -#if wxUSE_GRAPHICS_CONTEXT +#include "wx/private/graphics.h" +#include "wx/msw/wrapgdip.h" +#include "wx/msw/dc.h" -#include +#include "wx/stack.h" -using namespace std; +WX_DECLARE_STACK(GraphicsState, GraphicsStates); //----------------------------------------------------------------------------- // constants @@ -79,20 +81,7 @@ 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 WXDLLIMPEXP_CORE wxGDIPlusPathData : public wxGraphicsPathData +class wxGDIPlusPathData : public wxGraphicsPathData { public : wxGDIPlusPathData(wxGraphicsRenderer* renderer, GraphicsPath* path = NULL); @@ -107,14 +96,14 @@ 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 @@ -127,11 +116,11 @@ public : 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 ) ; /* @@ -142,11 +131,11 @@ public : virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) ; */ - // 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 {} + // 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 ) ; @@ -160,7 +149,7 @@ private : GraphicsPath* m_path; }; -class WXDLLIMPEXP_CORE wxGDIPlusMatrixData : public wxGraphicsMatrixData +class wxGDIPlusMatrixData : public wxGraphicsMatrixData { public : wxGDIPlusMatrixData(wxGraphicsRenderer* renderer, Matrix* matrix = NULL) ; @@ -172,9 +161,13 @@ public : virtual void Concat( const wxGraphicsMatrixData *t ); // 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, + 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); + // 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(); @@ -195,7 +188,7 @@ public : virtual void Scale( wxDouble xScale , wxDouble yScale ); // add the rotation to this matrix (radians) - virtual void Rotate( wxDouble angle ); + virtual void Rotate( wxDouble angle ); // // apply the transforms @@ -213,7 +206,7 @@ private: Matrix* m_matrix ; } ; -class WXDLLIMPEXP_CORE wxGDIPlusPenData : public wxGraphicsObjectRefData +class wxGDIPlusPenData : public wxGraphicsObjectRefData { public: wxGDIPlusPenData( wxGraphicsRenderer* renderer, const wxPen &pen ); @@ -232,14 +225,14 @@ protected : wxDouble m_width; }; -class WXDLLIMPEXP_CORE wxGDIPlusBrushData : public wxGraphicsObjectRefData +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, + 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 ); @@ -254,7 +247,21 @@ private : GraphicsPath* m_brushPath; }; -class WXDLLIMPEXP_CORE wxGDIPlusFontData : public wxGraphicsObjectRefData +class WXDLLIMPEXP_CORE wxGDIPlusBitmapData : public wxGraphicsObjectRefData +{ +public: + wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, Bitmap* bitmap ); + wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, const wxBitmap &bmp ); + ~wxGDIPlusBitmapData (); + + virtual Bitmap* GetGDIPlusBitmap() { return m_bitmap; } + +private : + Bitmap* m_bitmap; + Bitmap* m_helper; +}; + +class wxGDIPlusFontData : public wxGraphicsObjectRefData { public: wxGDIPlusFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col ); @@ -267,7 +274,7 @@ private : Font* m_font; }; -class WXDLLIMPEXP_CORE wxGDIPlusContext : public wxGraphicsContext +class wxGDIPlusContext : public wxGraphicsContext { public: wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc ); @@ -280,18 +287,24 @@ public: 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(); - + // 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 = wxODDEVEN_RULE ); - virtual void Translate( wxDouble dx , wxDouble dy ); - virtual void Scale( wxDouble xScale , wxDouble yScale ); - virtual void Rotate( wxDouble angle ); + // stroke lines connecting each of the points + virtual void StrokeLines( size_t n, const wxPoint2DDouble *points); + + // draws a polygon + virtual void DrawLines( size_t n, const wxPoint2DDouble *points, int fillStyle = wxODDEVEN_RULE ); + + virtual void Translate( wxDouble dx , wxDouble dy ); + virtual void Scale( wxDouble xScale , wxDouble yScale ); + virtual void Rotate( wxDouble angle ); // concatenates this transform with the current transform of this context virtual void ConcatTransform( const wxGraphicsMatrix& matrix ); @@ -302,28 +315,50 @@ public: // 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 PushState(); virtual void PopState(); 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; private: void Init(); void SetDefaults(); Graphics* m_context; - vector m_stateStack; + GraphicsStates m_stateStack; GraphicsState m_state1; GraphicsState m_state2; DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusContext) }; +class WXDLLIMPEXP_CORE wxGDIPlusMeasuringContext : public wxGDIPlusContext +{ +public: + wxGDIPlusMeasuringContext( wxGraphicsRenderer* renderer ) : wxGDIPlusContext( renderer , m_hdc = GetDC(NULL) ) + { + } + wxGDIPlusMeasuringContext() + { + } + + virtual ~wxGDIPlusMeasuringContext() + { + ReleaseDC( NULL, m_hdc ); + } + +private: + HDC m_hdc ; + DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusMeasuringContext) +} ; + //----------------------------------------------------------------------------- // wxGDIPlusPen implementation //----------------------------------------------------------------------------- @@ -344,7 +379,7 @@ void wxGDIPlusPenData::Init() wxGDIPlusPenData::wxGDIPlusPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) : wxGraphicsObjectRefData(renderer) -{ +{ Init(); m_width = pen.GetWidth(); if (m_width <= 0.0) @@ -479,7 +514,7 @@ wxGDIPlusPenData::wxGDIPlusPenData( wxGraphicsRenderer* renderer, const wxPen &p m_pen->SetBrush( m_penBrush ); } break; - } + } if ( dashStyle != DashStyleSolid ) m_pen->SetDashStyle(dashStyle); } @@ -531,7 +566,7 @@ wxGDIPlusBrushData::wxGDIPlusBrushData( wxGraphicsRenderer* renderer , const wxB 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() ) @@ -557,7 +592,7 @@ void wxGDIPlusBrushData::Init() m_brushPath= NULL; } -void wxGDIPlusBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2) +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() ), @@ -585,7 +620,7 @@ void wxGDIPlusBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wx // wxGDIPlusFont implementation //----------------------------------------------------------------------------- -wxGDIPlusFontData::wxGDIPlusFontData( wxGraphicsRenderer* renderer, const wxFont &font, +wxGDIPlusFontData::wxGDIPlusFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col ) : wxGraphicsObjectRefData( renderer ) { m_textBrush = NULL; @@ -611,6 +646,115 @@ wxGDIPlusFontData::~wxGDIPlusFontData() 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(); + size_t height = interim.GetHeight(); + Rect bounds(0,0,width,height); + + image = new Bitmap(width,height,PixelFormat32bppPARGB) ; + + Bitmap interimMask((HBITMAP)bmp.GetMask()->GetMaskBitmap(),NULL); + wxASSERT(interimMask.GetPixelFormat() == PixelFormat1bppIndexed); + + BitmapData dataMask ; + interimMask.LockBits(&bounds,ImageLockModeRead, + interimMask.GetPixelFormat(),&dataMask); + + + BitmapData imageData ; + image->LockBits(&bounds,ImageLockModeWrite, PixelFormat32bppPARGB, &imageData); + + BYTE maskPattern = 0 ; + BYTE maskByte = 0; + size_t maskIndex ; + + for ( size_t y = 0 ; y < height ; ++y) + { + maskIndex = 0 ; + for( size_t x = 0 ; x < width; ++x) + { + if ( x % 8 == 0) + { + maskPattern = 0x80; + maskByte = *((BYTE*)dataMask.Scan0 + dataMask.Stride*y + maskIndex); + maskIndex++; + } + else + maskPattern = maskPattern >> 1; + + ARGB *dest = (ARGB*)((BYTE*)imageData.Scan0 + imageData.Stride*y + x*4); + if ( (maskByte & maskPattern) == 0 ) + *dest = 0x00000000; + else + { + Color c ; + interim.GetPixel(x,y,&c) ; + *dest = (c.GetValue() | Color::AlphaMask); + } + } + } + + image->UnlockBits(&imageData); + + interimMask.UnlockBits(&dataMask); + interim.UnlockBits(&dataMask); + } + else + { + 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); + static BitmapData data ; + + m_helper = image ; + image = NULL ; + m_helper->LockBits(&bounds, ImageLockModeRead, + m_helper->GetPixelFormat(),&data); + + image = new Bitmap(data.Width, data.Height, data.Stride, + PixelFormat32bppPARGB , (BYTE*) data.Scan0); + + m_helper->UnlockBits(&data); + } + } + if ( image ) + m_bitmap = image; +} + +wxGDIPlusBitmapData::~wxGDIPlusBitmapData() +{ + delete m_bitmap; + delete m_helper; +} + //----------------------------------------------------------------------------- // wxGDIPlusPath implementation //----------------------------------------------------------------------------- @@ -672,10 +816,10 @@ void wxGDIPlusPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const *y = start.Y ; } -void wxGDIPlusPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, double startAngle, double endAngle, bool clockwise ) +void wxGDIPlusPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, double startAngle, double endAngle, bool clockwise ) { double sweepAngle = endAngle - startAngle ; - if( abs(sweepAngle) >= 2*M_PI) + if( fabs(sweepAngle) >= 2*M_PI) { sweepAngle = 2 * M_PI; } @@ -693,7 +837,7 @@ void wxGDIPlusPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, double start } } - m_path->AddArc((REAL) (x-r),(REAL) (y-r),(REAL) (2*r),(REAL) (2*r),RadToDeg(startAngle),RadToDeg(sweepAngle)); + 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 ) @@ -708,7 +852,7 @@ void wxGDIPlusPathData::AddPath( const wxGraphicsPathData* path ) // transforms each point of this path by the matrix -void wxGDIPlusPathData::Transform( const wxGraphicsMatrixData* matrix ) +void wxGDIPlusPathData::Transform( const wxGraphicsMatrixData* matrix ) { m_path->Transform( (Matrix*) matrix->GetNativeMatrix() ); } @@ -743,12 +887,12 @@ wxGDIPlusMatrixData::wxGDIPlusMatrixData(wxGraphicsRenderer* renderer, Matrix* m m_matrix = new Matrix(); } -wxGDIPlusMatrixData::~wxGDIPlusMatrixData() +wxGDIPlusMatrixData::~wxGDIPlusMatrixData() { delete m_matrix; } -wxGraphicsObjectRefData *wxGDIPlusMatrixData::Clone() const +wxGraphicsObjectRefData *wxGDIPlusMatrixData::Clone() const { return new wxGDIPlusMatrixData( GetRenderer(), m_matrix->Clone()); } @@ -760,12 +904,26 @@ void wxGDIPlusMatrixData::Concat( const wxGraphicsMatrixData *t ) } // sets the matrix to the respective values -void wxGDIPlusMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d, +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() { @@ -773,7 +931,7 @@ void wxGDIPlusMatrixData::Invert() } // returns true if the elements of the transformation matrix are equal ? -bool wxGDIPlusMatrixData::IsEqual( const wxGraphicsMatrixData* t) const +bool wxGDIPlusMatrixData::IsEqual( const wxGraphicsMatrixData* t) const { return m_matrix->Equals((Matrix*) t->GetNativeMatrix())== TRUE ; } @@ -839,8 +997,29 @@ void * wxGDIPlusMatrixData::GetNativeMatrix() const //----------------------------------------------------------------------------- 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 ) +wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc ) : wxGraphicsContext(renderer) { Init(); @@ -878,6 +1057,8 @@ void wxGDIPlusContext::Init() 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(); @@ -904,16 +1085,51 @@ 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() ); } } @@ -922,18 +1138,19 @@ 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() , + m_context->FillPath( ((wxGDIPlusBrushData*)m_brush.GetRefData())->GetGDIPlusBrush() , (GraphicsPath*) path.GetNativePath()); } } -void wxGDIPlusContext::Rotate( wxDouble angle ) +void wxGDIPlusContext::Rotate( wxDouble angle ) { m_context->RotateTransform( RadToDeg(angle) ); } -void wxGDIPlusContext::Translate( wxDouble dx , wxDouble dy ) +void wxGDIPlusContext::Translate( wxDouble dx , wxDouble dy ) { m_context->TranslateTransform( dx , dy ); } @@ -946,121 +1163,55 @@ void wxGDIPlusContext::Scale( wxDouble xScale , wxDouble yScale ) void wxGDIPlusContext::PushState() { GraphicsState state = m_context->Save(); - m_stateStack.push_back(state); + m_stateStack.push(state); } -void wxGDIPlusContext::PopState() +void wxGDIPlusContext::PopState() { - GraphicsState state = m_stateStack.back(); - m_stateStack.pop_back(); + 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 wxGraphicsBitmap &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(); - size_t height = interim.GetHeight(); - Rect bounds(0,0,width,height); - - image = new Bitmap(width,height,PixelFormat32bppPARGB) ; - - Bitmap interimMask((HBITMAP)bmp.GetMask()->GetMaskBitmap(),NULL); - wxASSERT(interimMask.GetPixelFormat() == PixelFormat1bppIndexed); - - BitmapData dataMask ; - interimMask.LockBits(&bounds,ImageLockModeRead, - interimMask.GetPixelFormat(),&dataMask); - - - BitmapData imageData ; - image->LockBits(&bounds,ImageLockModeWrite, PixelFormat32bppPARGB, &imageData); - - BYTE maskPattern = 0 ; - BYTE maskByte = 0; - size_t maskIndex ; - - for ( size_t y = 0 ; y < height ; ++y) - { - maskIndex = 0 ; - for( size_t x = 0 ; x < width; ++x) - { - if ( x % 8 == 0) - { - maskPattern = 0x80; - maskByte = *((BYTE*)dataMask.Scan0 + dataMask.Stride*y + maskIndex); - maskIndex++; - } - else - maskPattern = maskPattern >> 1; - - ARGB *dest = (ARGB*)((BYTE*)imageData.Scan0 + imageData.Stride*y + x*4); - if ( (maskByte & maskPattern) == 0 ) - *dest = 0x00000000; - else - { - Color c ; - interim.GetPixel(x,y,&c) ; - *dest = (c.GetValue() | Color::AlphaMask); - } - } - } - - image->UnlockBits(&imageData); - - interimMask.UnlockBits(&dataMask); - interim.UnlockBits(&dataMask); - } - else + Bitmap* image = static_cast(bmp.GetRefData())->GetGDIPlusBitmap(); + if ( image ) { - image = Bitmap::FromHBITMAP((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE()); - if ( GetPixelFormatSize(image->GetPixelFormat()) == 32 ) + if( image->GetWidth() != (UINT) w || image->GetHeight() != (UINT) h ) { - size_t width = image->GetWidth(); - size_t height = image->GetHeight(); - Rect bounds(0,0,width,height); - BitmapData data ; - - helper = image ; - image = NULL ; - helper->LockBits(&bounds, ImageLockModeRead, - helper->GetPixelFormat(),&data); - - image = new Bitmap(data.Width, data.Height, data.Stride, - PixelFormat32bppARGB , (BYTE*) data.Scan0); - - helper->UnlockBits(&data); + 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) ; } - if ( image ) - m_context->DrawImage(image,(REAL) x,(REAL) y,(REAL) w,(REAL) h) ; - delete image ; - delete helper ; } -void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble 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 ) +{ + // 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); @@ -1074,8 +1225,28 @@ void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxD 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); } @@ -1086,15 +1257,14 @@ void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxD DeleteObject(iconInfo.hbmMask); } -void wxGDIPlusContext::DrawText( const wxString &str, wxDouble x, wxDouble y ) +void wxGDIPlusContext::DrawText( const wxString &str, wxDouble x, wxDouble y ) { if ( m_font.IsNull() || str.IsEmpty()) return ; wxWCharBuffer s = str.wc_str( *wxConvUI ); - m_context->DrawString( s , -1 , ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusFont() , - PointF( x , y ) , ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusBrush() ); - // 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, @@ -1103,7 +1273,7 @@ void wxGDIPlusContext::GetTextExtent( const wxString &str, wxDouble *width, wxDo 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 ; @@ -1116,35 +1286,31 @@ void wxGDIPlusContext::GetTextExtent( const wxString &str, wxDouble *width, wxDo 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 , f,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()); @@ -1158,7 +1324,7 @@ void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble 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]; @@ -1168,6 +1334,7 @@ void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble ranges[i].Length = 1 ; } strFormat.SetMeasurableCharacterRanges(len,ranges); + strFormat.SetFormatFlags( StringFormatFlagsMeasureTrailingSpaces | strFormat.GetFormatFlags() ); m_context->MeasureCharacterRanges(ws, -1 , f,layoutRect, &strFormat,1,regions) ; RectF bbox ; @@ -1178,9 +1345,21 @@ void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble } } -void* wxGDIPlusContext::GetNativeContext() +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; + return m_context; } // concatenates this transform with the current transform of this context @@ -1206,16 +1385,16 @@ wxGraphicsMatrix wxGDIPlusContext::GetTransform() const // wxGDIPlusRenderer declaration //----------------------------------------------------------------------------- -class WXDLLIMPEXP_CORE wxGDIPlusRenderer : public wxGraphicsRenderer +class wxGDIPlusRenderer : public wxGraphicsRenderer { public : - wxGDIPlusRenderer() + wxGDIPlusRenderer() { m_loaded = false; - m_gditoken = NULL; + m_gditoken = 0; } - virtual ~wxGDIPlusRenderer() + virtual ~wxGDIPlusRenderer() { if (m_loaded) { @@ -1243,7 +1422,7 @@ public : // Matrix - virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, + 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); @@ -1252,24 +1431,32 @@ public : virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ; // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2 - virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, + 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) + // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) // with radius r and color cColor virtual wxGraphicsBrush CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, const wxColour &oColor, const wxColour &cColor) ; // sets the font virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ; + + // create a native bitmap representation + virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ); + + // create a subimage from a native image representation + virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); + protected : void EnsureIsLoaded(); void Load(); void Unload(); + friend class wxGDIPlusRendererModule; private : bool m_loaded; - DWORD m_gditoken; + ULONG_PTR m_gditoken; DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusRenderer) } ; @@ -1306,27 +1493,31 @@ void wxGDIPlusRenderer::Load() void wxGDIPlusRenderer::Unload() { 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()); + wxMSWDCImpl *msw = wxDynamicCast( dc.GetImpl() , wxMSWDCImpl ); + return new wxGDIPlusContext(this,(HDC) msw->GetHDC()); } wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxMemoryDC& dc) { EnsureIsLoaded(); - return new wxGDIPlusContext(this,(HDC) dc.GetHDC()); + wxMSWDCImpl *msw = wxDynamicCast( dc.GetImpl() , wxMSWDCImpl ); + return new wxGDIPlusContext(this,(HDC) msw->GetHDC()); } wxGraphicsContext * wxGDIPlusRenderer::CreateMeasuringContext() { EnsureIsLoaded(); - return NULL; - // TODO use GetDC(NULL) but then we have to release it from the context - //return new wxGDIPlusContext(this,(HDC) dc.GetHDC()); + return new wxGDIPlusMeasuringContext(this); } wxGraphicsContext * wxGDIPlusRenderer::CreateContextFromNativeContext( void * context ) @@ -1361,7 +1552,7 @@ wxGraphicsPath wxGDIPlusRenderer::CreatePath() // Matrix -wxGraphicsMatrix wxGDIPlusRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, +wxGraphicsMatrix wxGDIPlusRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, wxDouble tx, wxDouble ty) { @@ -1373,7 +1564,7 @@ wxGraphicsMatrix wxGDIPlusRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDoub return m; } -wxGraphicsPen wxGDIPlusRenderer::CreatePen(const wxPen& pen) +wxGraphicsPen wxGDIPlusRenderer::CreatePen(const wxPen& pen) { EnsureIsLoaded(); if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT ) @@ -1386,7 +1577,7 @@ wxGraphicsPen wxGDIPlusRenderer::CreatePen(const wxPen& pen) } } -wxGraphicsBrush wxGDIPlusRenderer::CreateBrush(const wxBrush& brush ) +wxGraphicsBrush wxGDIPlusRenderer::CreateBrush(const wxBrush& brush ) { EnsureIsLoaded(); if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT ) @@ -1400,8 +1591,8 @@ wxGraphicsBrush wxGDIPlusRenderer::CreateBrush(const wxBrush& brush ) } // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2 -wxGraphicsBrush wxGDIPlusRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, - const wxColour&c1, const wxColour&c2) +wxGraphicsBrush wxGDIPlusRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, + const wxColour&c1, const wxColour&c2) { EnsureIsLoaded(); wxGraphicsBrush p; @@ -1411,10 +1602,10 @@ wxGraphicsBrush wxGDIPlusRenderer::CreateLinearGradientBrush( wxDouble x1, wxDou return p; } -// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) +// 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) + const wxColour &oColor, const wxColour &cColor) { EnsureIsLoaded(); wxGraphicsBrush p; @@ -1425,11 +1616,11 @@ wxGraphicsBrush wxGDIPlusRenderer::CreateRadialGradientBrush( wxDouble xo, wxDou } // sets the font -wxGraphicsFont wxGDIPlusRenderer::CreateFont( const wxFont &font , const wxColour &col ) +wxGraphicsFont wxGDIPlusRenderer::CreateFont( const wxFont &font , const wxColour &col ) { EnsureIsLoaded(); if ( font.Ok() ) - { + { wxGraphicsFont p; p.SetRefData(new wxGDIPlusFontData( this , font, col )); return p; @@ -1438,4 +1629,44 @@ wxGraphicsFont wxGDIPlusRenderer::CreateFont( const wxFont &font , const wxColou return wxNullGraphicsFont; } +wxGraphicsBitmap wxGDIPlusRenderer::CreateBitmap( const wxBitmap &bitmap ) +{ + EnsureIsLoaded(); + if ( bitmap.Ok() ) + { + wxGraphicsBitmap p; + p.SetRefData(new wxGDIPlusBitmapData( this , bitmap )); + return p; + } + else + return wxNullGraphicsBitmap; +} + +wxGraphicsBitmap wxGDIPlusRenderer::CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +{ + EnsureIsLoaded(); + 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) + #endif // wxUSE_GRAPHICS_CONTEXT