X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1011fbebdba72e821a901a43d15fc2955b14101f..63ced01b228ba426db163b75667a9b57d092f8db:/src/msw/graphics.cpp diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp index 7ffc36e55c..d0c3c643ba 100644 --- a/src/msw/graphics.cpp +++ b/src/msw/graphics.cpp @@ -11,12 +11,12 @@ #include "wx/wxprec.h" -#include "wx/dc.h" - #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#include "wx/dc.h" + #if wxUSE_GRAPHICS_CONTEXT #ifndef WX_PRECOMP @@ -40,11 +40,22 @@ #include "wx/private/graphics.h" #include "wx/msw/wrapgdip.h" #include "wx/msw/dc.h" +#include "wx/msw/enhmeta.h" +#include "wx/dcgraph.h" + +#include "wx/msw/private.h" // needs to be before #include + +#if wxUSE_COMMON_DIALOGS && !defined(__WXMICROWIN__) +#include +#endif #include "wx/stack.h" WX_DECLARE_STACK(GraphicsState, GraphicsStates); +namespace +{ + //----------------------------------------------------------------------------- // constants //----------------------------------------------------------------------------- @@ -55,11 +66,19 @@ const double RAD2DEG = 180.0 / M_PI; // Local functions //----------------------------------------------------------------------------- -static inline double dmin(double a, double b) { return a < b ? a : b; } -static inline double dmax(double a, double b) { return a > b ? a : b; } +inline double dmin(double a, double b) { return a < b ? a : b; } +inline double dmax(double a, double b) { return a > b ? a : b; } + +inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; } +inline double RadToDeg(double deg) { return (deg * 180.0) / M_PI; } -static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; } -static inline double RadToDeg(double deg) { return (deg * 180.0) / M_PI; } +// translate a wxColour to a Color +inline Color wxColourToColor(const wxColour& col) +{ + return Color(col.Alpha(), col.Red(), col.Green(), col.Blue()); +} + +} // anonymous namespace //----------------------------------------------------------------------------- // device context implementation @@ -77,12 +96,6 @@ static inline double RadToDeg(double deg) { return (deg * 180.0) / M_PI; } // wxGraphicsPath implementation //----------------------------------------------------------------------------- -#include "wx/msw/private.h" // needs to be before #include - -#if wxUSE_COMMON_DIALOGS && !defined(__WXMICROWIN__) -#include -#endif - class wxGDIPlusPathData : public wxGraphicsPathData { public : @@ -145,7 +158,7 @@ public : // 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; + virtual bool Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle = wxODDEVEN_RULE) const; private : GraphicsPath* m_path; @@ -234,16 +247,24 @@ public: wxGDIPlusBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush ); ~wxGDIPlusBrushData (); - void CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, - const wxColour&c1, const wxColour&c2 ); - void CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor ); + void CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops); + void CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, + wxDouble radius, + const wxGraphicsGradientStops& stops); + virtual Brush* GetGDIPlusBrush() { return m_brush; } protected: virtual void Init(); -private : +private: + // common part of Create{Linear,Radial}GradientBrush() + template + void SetGradientStops(T *brush, const wxGraphicsGradientStops& stops); + Brush* m_brush; Image* m_brushImage; GraphicsPath* m_brushPath; @@ -279,7 +300,7 @@ private : class wxGDIPlusContext : public wxGraphicsContext { public: - wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc ); + wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc , wxDouble width, wxDouble height ); wxGDIPlusContext( wxGraphicsRenderer* renderer, HWND hwnd ); wxGDIPlusContext( wxGraphicsRenderer* renderer, Graphics* gr); wxGDIPlusContext(); @@ -296,13 +317,21 @@ public: virtual void * GetNativeContext(); virtual void StrokePath( const wxGraphicsPath& p ); - virtual void FillPath( const wxGraphicsPath& p , int fillStyle = wxODDEVEN_RULE ); + virtual void FillPath( const wxGraphicsPath& p , wxPolygonFillMode fillStyle = wxODDEVEN_RULE ); - // stroke lines connecting each of the points + // 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 DrawLines( size_t n, const wxPoint2DDouble *points, wxPolygonFillMode fillStyle = wxODDEVEN_RULE ); + + virtual bool SetAntialiasMode(wxAntialiasMode antialias); + + virtual bool SetCompositionMode(wxCompositionMode op); + + virtual void BeginLayer(wxDouble opacity); + + virtual void EndLayer(); virtual void Translate( wxDouble dx , wxDouble dy ); virtual void Scale( wxDouble xScale , wxDouble yScale ); @@ -323,28 +352,36 @@ public: 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; + virtual void GetSize( wxDouble* width, wxDouble *height ); private: void Init(); void SetDefaults(); + 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); + Graphics* m_context; GraphicsStates m_stateStack; GraphicsState m_state1; GraphicsState m_state2; + wxDouble m_width; + wxDouble m_height; + DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusContext) }; -class WXDLLIMPEXP_CORE wxGDIPlusMeasuringContext : public wxGDIPlusContext +class wxGDIPlusMeasuringContext : public wxGDIPlusContext { public: - wxGDIPlusMeasuringContext( wxGraphicsRenderer* renderer ) : wxGDIPlusContext( renderer , m_hdc = GetDC(NULL) ) + wxGDIPlusMeasuringContext( wxGraphicsRenderer* renderer ) : wxGDIPlusContext( renderer , m_hdc = GetDC(NULL), 1000, 1000 ) { } wxGDIPlusMeasuringContext() @@ -387,8 +424,7 @@ wxGDIPlusPenData::wxGDIPlusPenData( wxGraphicsRenderer* renderer, const wxPen &p if (m_width <= 0.0) m_width = 0.1; - m_pen = new Pen(Color( pen.GetColour().Alpha() , pen.GetColour().Red() , - pen.GetColour().Green() , pen.GetColour().Blue() ), m_width ); + m_pen = new Pen(wxColourToColor(pen.GetColour()), m_width ); LineCap cap; switch ( pen.GetCap() ) @@ -511,8 +547,12 @@ wxGDIPlusPenData::wxGDIPlusPenData( wxGraphicsRenderer* renderer, const wxPen &p break ; } - m_penBrush = new HatchBrush(style,Color( pen.GetColour().Alpha() , pen.GetColour().Red() , - pen.GetColour().Green() , pen.GetColour().Blue() ), Color::Transparent ); + m_penBrush = new HatchBrush + ( + style, + wxColourToColor(pen.GetColour()), + Color::Transparent + ); m_pen->SetBrush( m_penBrush ); } break; @@ -537,8 +577,7 @@ wxGDIPlusBrushData::wxGDIPlusBrushData( wxGraphicsRenderer* renderer , const wxB Init(); if ( brush.GetStyle() == wxSOLID) { - m_brush = new SolidBrush( Color( brush.GetColour().Alpha() , brush.GetColour().Red() , - brush.GetColour().Green() , brush.GetColour().Blue() ) ); + m_brush = new SolidBrush(wxColourToColor( brush.GetColour())); } else if ( brush.IsHatch() ) { @@ -565,8 +604,12 @@ wxGDIPlusBrushData::wxGDIPlusBrushData( wxGraphicsRenderer* renderer , const wxB break ; } - m_brush = new HatchBrush(style,Color( brush.GetColour().Alpha() , brush.GetColour().Red() , - brush.GetColour().Green() , brush.GetColour().Blue() ), Color::Transparent ); + m_brush = new HatchBrush + ( + style, + wxColourToColor(brush.GetColour()), + Color::Transparent + ); } else { @@ -594,28 +637,67 @@ void wxGDIPlusBrushData::Init() m_brushPath= NULL; } -void wxGDIPlusBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2) +template +void +wxGDIPlusBrushData::SetGradientStops(T *brush, + const wxGraphicsGradientStops& stops) +{ + const unsigned numStops = stops.GetCount(); + if ( numStops <= 2 ) + { + // initial and final colours are set during the brush creation, nothing + // more to do + return; + } + + wxVector colors(numStops); + wxVector positions(numStops); + + for ( unsigned i = 0; i < numStops; i++ ) + { + wxGraphicsGradientStop stop = stops.Item(i); + + colors[i] = wxColourToColor(stop.GetColour()); + positions[i] = stop.GetPosition(); + } + + brush->SetInterpolationColors(&colors[0], &positions[0], numStops); +} + +void +wxGDIPlusBrushData::CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops) { - m_brush = new LinearGradientBrush( PointF( x1,y1) , PointF( x2,y2), - Color( c1.Alpha(), c1.Red(),c1.Green() , c1.Blue() ), - Color( c2.Alpha(), c2.Red(),c2.Green() , c2.Blue() )); + LinearGradientBrush * const + brush = new LinearGradientBrush(PointF(x1, y1) , PointF(x2, y2), + wxColourToColor(stops.GetStartColour()), + wxColourToColor(stops.GetEndColour())); + m_brush = brush; + + SetGradientStops(brush, stops); } -void wxGDIPlusBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor) +void +wxGDIPlusBrushData::CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, + wxDouble radius, + const wxGraphicsGradientStops& stops) { - // Create a path that consists of a single circle. m_brushPath = new GraphicsPath(); - m_brushPath->AddEllipse( (REAL)(xc-radius), (REAL)(yc-radius), (REAL)(2*radius), (REAL)(2*radius)); + m_brushPath->AddEllipse( (REAL)(xc-radius), (REAL)(yc-radius), + (REAL)(2*radius), (REAL)(2*radius)); - PathGradientBrush *b = new PathGradientBrush(m_brushPath); - m_brush = b; - b->SetCenterPoint( PointF(xo,yo)); - b->SetCenterColor(Color( oColor.Alpha(), oColor.Red(),oColor.Green() , oColor.Blue() )); + PathGradientBrush * const brush = new PathGradientBrush(m_brushPath); + m_brush = brush; + brush->SetCenterPoint(PointF(xo, yo)); + brush->SetCenterColor(wxColourToColor(stops.GetStartColour())); - Color colors[] = {Color( cColor.Alpha(), cColor.Red(),cColor.Green() , cColor.Blue() )}; + const Color col(wxColourToColor(stops.GetEndColour())); int count = 1; - b->SetSurroundColors(colors, &count); + brush->SetSurroundColors(&col, &count); + + SetGradientStops(brush, stops); } //----------------------------------------------------------------------------- @@ -638,8 +720,7 @@ wxGDIPlusFontData::wxGDIPlusFontData( wxGraphicsRenderer* renderer, const wxFont 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() )); + m_textBrush = new SolidBrush(wxColourToColor(col)); } wxGDIPlusFontData::~wxGDIPlusFontData() @@ -663,7 +744,7 @@ wxGDIPlusBitmapData::wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, Bitmap* m_helper = NULL; } -wxGDIPlusBitmapData::wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, +wxGDIPlusBitmapData::wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, const wxBitmap &bmp) : wxGraphicsObjectRefData( renderer ) { m_bitmap = NULL; @@ -870,7 +951,7 @@ void wxGDIPlusPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble * *h = bounds.Height; } -bool wxGDIPlusPathData::Contains( wxDouble x, wxDouble y, int fillStyle ) const +bool wxGDIPlusPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle ) const { m_path->SetFillMode( fillStyle == wxODDEVEN_RULE ? FillModeAlternate : FillModeWinding); return m_path->IsVisible( (FLOAT) x,(FLOAT) y) == TRUE ; @@ -963,7 +1044,7 @@ void wxGDIPlusMatrixData::Scale( wxDouble xScale , wxDouble yScale ) // add the rotation to this matrix (radians) void wxGDIPlusMatrixData::Rotate( wxDouble angle ) { - m_matrix->Rotate( angle ); + m_matrix->Rotate( RadToDeg(angle) ); } // @@ -1021,11 +1102,13 @@ public : bool m_offset; } ; -wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc ) +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(); } @@ -1034,6 +1117,9 @@ wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, HWND hwnd ) { Init(); m_context = new Graphics( hwnd); + RECT rect = wxGetWindowRect(hwnd); + m_width = rect.right - rect.left; + m_height = rect.bottom - rect.top; SetDefaults(); } @@ -1055,6 +1141,8 @@ void wxGDIPlusContext::Init() m_context = NULL; m_state1 = 0; m_state2= 0; + m_height = 0; + m_width = 0; } void wxGDIPlusContext::SetDefaults() @@ -1064,6 +1152,14 @@ void wxGDIPlusContext::SetDefaults() m_context->SetSmoothingMode(SmoothingModeHighQuality); m_state1 = m_context->Save(); m_state2 = m_context->Save(); + + // Setup page scale, based on DPI ratio. + // Antecedent should be 100dpi when the default page unit (UnitDisplay) + // is used. Page unit UnitDocument would require 300dpi instead. + // Note that calling SetPageScale() does not have effect on non-printing + // DCs (that is, any other than wxPrinterDC or wxEnhMetaFileDC). + REAL dpiRatio = 100.0 / m_context->GetDpiY(); + m_context->SetPageScale(dpiRatio); } wxGDIPlusContext::~wxGDIPlusContext() @@ -1095,40 +1191,49 @@ void wxGDIPlusContext::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 ); + if (m_composition == wxCOMPOSITION_DEST) + return; - } // for (size_t i = 0; i < n; i++) - m_context->DrawLines( ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen() , cpoints , n ) ; - delete[] cpoints; - } + if ( !m_pen.IsNull() ) + { + wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() ); + Point *cpoints = new Point[n]; + for (size_t i = 0; i < n; i++) + { + cpoints[i].X = (int)(points[i].m_x ); + cpoints[i].Y = (int)(points[i].m_y ); + + } // for (size_t i = 0; i < n; i++) + m_context->DrawLines( ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen() , cpoints , n ) ; + delete[] cpoints; + } } -void wxGDIPlusContext::DrawLines( size_t n, const wxPoint2DDouble *points, int WXUNUSED(fillStyle) ) +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 ); + Point *cpoints = new Point[n]; + for (size_t i = 0; i < n; i++) + { + cpoints[i].X = (int)(points[i].m_x ); + cpoints[i].Y = (int)(points[i].m_y ); - } // for (int i = 0; i < n; i++) - if ( !m_brush.IsNull() ) - m_context->FillPolygon( ((wxGDIPlusBrushData*)m_brush.GetRefData())->GetGDIPlusBrush() , cpoints , n ) ; - if ( !m_pen.IsNull() ) - m_context->DrawLines( ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen() , cpoints , n ) ; - delete[] cpoints; + } // for (int i = 0; i < n; i++) + if ( !m_brush.IsNull() ) + m_context->FillPolygon( ((wxGDIPlusBrushData*)m_brush.GetRefData())->GetGDIPlusBrush() , cpoints , n ) ; + if ( !m_pen.IsNull() ) + m_context->DrawLines( ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen() , cpoints , n ) ; + delete[] cpoints; } void wxGDIPlusContext::StrokePath( const wxGraphicsPath& path ) { + if (m_composition == wxCOMPOSITION_DEST) + return; + if ( !m_pen.IsNull() ) { wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() ); @@ -1136,8 +1241,11 @@ void wxGDIPlusContext::StrokePath( const wxGraphicsPath& path ) } } -void wxGDIPlusContext::FillPath( const wxGraphicsPath& path , int fillStyle ) +void wxGDIPlusContext::FillPath( const wxGraphicsPath& path , wxPolygonFillMode fillStyle ) { + if (m_composition == wxCOMPOSITION_DEST) + return; + if ( !m_brush.IsNull() ) { wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() ); @@ -1147,6 +1255,66 @@ void wxGDIPlusContext::FillPath( const wxGraphicsPath& path , int fillStyle ) } } +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) ); @@ -1177,6 +1345,9 @@ void wxGDIPlusContext::PopState() 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 ) { @@ -1200,6 +1371,9 @@ void wxGDIPlusContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, 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(); @@ -1227,7 +1401,7 @@ void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxD interim.LockBits(&bounds, ImageLockModeRead, interim.GetPixelFormat(),&data); - + bool hasAlpha = false; for ( size_t y = 0 ; y < height && !hasAlpha ; ++y) { @@ -1259,16 +1433,34 @@ 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::DoDrawFilledText(const wxString& str, + wxDouble x, wxDouble y, + const wxGraphicsBrush& brush) { - wxCHECK_RET( !m_font.IsNull(), wxT("wxGDIPlusContext::DrawText - no valid font set") ); + if (m_composition == wxCOMPOSITION_DEST) + return; + + wxCHECK_RET( !m_font.IsNull(), + wxT("wxGDIPlusContext::DrawText - no valid font set") ); if ( str.IsEmpty()) return ; - wxWCharBuffer s = str.wc_str( *wxConvUI ); - m_context->DrawString( s , -1 , ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusFont() , - PointF( x , y ) , StringFormat::GenericTypographic() , ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusBrush() ); + 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, @@ -1307,12 +1499,14 @@ void wxGDIPlusContext::GetTextExtent( const wxString &str, wxDouble *width, wxDo { RectF layoutRect(0,0, 100000.0f, 100000.0f); StringFormat strFormat( StringFormat::GenericTypographic() ); - strFormat.SetFormatFlags( StringFormatFlagsMeasureTrailingSpaces | strFormat.GetFormatFlags() ); + 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; + if ( height ) + *height = bounds.Height; } } @@ -1334,27 +1528,41 @@ void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble RectF layoutRect(0,0, 100000.0f, 100000.0f); StringFormat strFormat( StringFormat::GenericTypographic() ); - CharacterRange* ranges = new CharacterRange[len] ; - Region* regions = new Region[len]; - for( size_t i = 0 ; i < len ; ++i) - { - ranges[i].First = i ; - ranges[i].Length = 1 ; - } - strFormat.SetMeasurableCharacterRanges(len,ranges); - strFormat.SetFormatFlags( StringFormatFlagsMeasureTrailingSpaces | strFormat.GetFormatFlags() ); - m_context->MeasureCharacterRanges(ws, -1 , f,layoutRect, &strFormat,1,regions) ; + size_t startPosition = 0; + size_t remainder = len; + const size_t maxSpan = 32; + CharacterRange* ranges = new CharacterRange[maxSpan] ; + Region* regions = new Region[maxSpan]; - RectF bbox ; - for ( size_t i = 0 ; i < len ; ++i) + while( remainder > 0 ) { - regions[i].GetBounds(&bbox,m_context); - widths[i] = bbox.GetRight()-bbox.GetLeft(); + size_t span = wxMin( maxSpan, remainder ); + + for( size_t i = 0 ; i < span ; ++i) + { + ranges[i].First = 0 ; + ranges[i].Length = startPosition+i+1 ; + } + strFormat.SetMeasurableCharacterRanges(span,ranges); + strFormat.SetFormatFlags( StringFormatFlagsMeasureTrailingSpaces | strFormat.GetFormatFlags() ); + m_context->MeasureCharacterRanges(ws, -1 , f,layoutRect, &strFormat,span,regions) ; + + RectF bbox ; + for ( size_t i = 0 ; i < span ; ++i) + { + regions[i].GetBounds(&bbox,m_context); + widths[startPosition+i] = bbox.Width; + } + remainder -= span; + startPosition += span; } + + delete[] ranges; + delete[] regions; } bool wxGDIPlusContext::ShouldOffset() const -{ +{ int penwidth = 0 ; if ( !m_pen.IsNull() ) { @@ -1389,6 +1597,12 @@ wxGraphicsMatrix wxGDIPlusContext::GetTransform() const m_context->GetTransform((Matrix*) matrix.GetNativeMatrix()); return matrix; } + +void wxGDIPlusContext::GetSize( wxDouble* width, wxDouble *height ) +{ + *width = m_width; + *height = m_height; +} //----------------------------------------------------------------------------- // wxGDIPlusRenderer declaration //----------------------------------------------------------------------------- @@ -1417,7 +1631,9 @@ public : virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc); virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc); - + + virtual wxGraphicsContext * CreateContext( const wxEnhMetaFileDC& dc); + virtual wxGraphicsContext * CreateContextFromNativeContext( void * context ); virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window ); @@ -1440,21 +1656,25 @@ public : virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ; - // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2 - virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, - const wxColour&c1, const wxColour&c2) ; - - // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) - // with radius r and color cColor - virtual wxGraphicsBrush CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor) ; + virtual wxGraphicsBrush + CreateLinearGradientBrush(wxDouble x1, wxDouble y1, + wxDouble x2, wxDouble y2, + const wxGraphicsGradientStops& stops); + virtual wxGraphicsBrush + CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, + wxDouble radius, + const wxGraphicsGradientStops& stops); // 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 ); @@ -1534,21 +1754,32 @@ wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxWindowDC& dc) { ENSURE_LOADED_OR_RETURN(NULL); wxMSWDCImpl *msw = wxDynamicCast( dc.GetImpl() , wxMSWDCImpl ); - return new wxGDIPlusContext(this,(HDC) msw->GetHDC()); + 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 ); - return new wxGDIPlusContext(this,(HDC) msw->GetHDC()); + wxSize sz = dc.GetSize(); + return new wxGDIPlusContext(this,(HDC) msw->GetHDC(), sz.x, sz.y); +} + +wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxEnhMetaFileDC& 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 ); - return new wxGDIPlusContext(this,(HDC) msw->GetHDC()); + wxSize sz = dc.GetSize(); + return new wxGDIPlusContext(this,(HDC) msw->GetHDC(), sz.x, sz.y); } wxGraphicsContext * wxGDIPlusRenderer::CreateMeasuringContext() @@ -1627,27 +1858,29 @@ 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 wxGraphicsGradientStops& stops) { ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush); wxGraphicsBrush p; wxGDIPlusBrushData* d = new wxGDIPlusBrushData( this ); - d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2); + d->CreateLinearGradientBrush(x1, y1, x2, y2, stops); p.SetRefData(d); return p; } -// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) -// with radius r and color cColor -wxGraphicsBrush wxGDIPlusRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, - const wxColour &oColor, const wxColour &cColor) +wxGraphicsBrush +wxGDIPlusRenderer::CreateRadialGradientBrush(wxDouble xo, wxDouble yo, + wxDouble xc, wxDouble yc, + wxDouble radius, + const wxGraphicsGradientStops& stops) { ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush); wxGraphicsBrush p; wxGDIPlusBrushData* d = new wxGDIPlusBrushData( this ); - d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor); + d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,stops); p.SetRefData(d); return p; } @@ -1679,6 +1912,19 @@ wxGraphicsBitmap wxGDIPlusRenderer::CreateBitmap( const wxBitmap &bitmap ) return wxNullGraphicsBitmap; } +wxGraphicsBitmap wxGDIPlusRenderer::CreateBitmapFromNativeBitmap( void *bitmap ) +{ + ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap); + if ( bitmap != NULL ) + { + wxGraphicsBitmap p; + p.SetRefData(new wxGDIPlusBitmapData( this , (Bitmap*) bitmap )); + return p; + } + else + return wxNullGraphicsBitmap; +} + wxGraphicsBitmap wxGDIPlusRenderer::CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap); @@ -1706,4 +1952,32 @@ private: 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