X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8bf12709e9db8e709197e3f2c7093dc2a55ee4b4..187d815255d240350c598721db1e0c1b4d3fb527:/src/common/graphcmn.cpp diff --git a/src/common/graphcmn.cpp b/src/common/graphcmn.cpp index 100387dcff..f921072da7 100644 --- a/src/common/graphcmn.cpp +++ b/src/common/graphcmn.cpp @@ -48,9 +48,11 @@ static inline double DegToRad(double deg) //----------------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxGraphicsPath, wxObject) + wxPoint2DDouble wxGraphicsPath::GetCurrentPoint() { - wxDouble x,y ; + wxDouble x,y; GetCurrentPoint(x,y); return wxPoint2DDouble(x,y); } @@ -82,14 +84,14 @@ void wxGraphicsPath::AddArc( const wxPoint2DDouble& c, wxDouble r, wxDouble star void wxGraphicsPath::AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y ) { // calculate using degree elevation to a cubic bezier - wxPoint2DDouble c1 ; - wxPoint2DDouble c2 ; + wxPoint2DDouble c1; + wxPoint2DDouble c2; - wxPoint2DDouble start = GetCurrentPoint() ; + wxPoint2DDouble start = GetCurrentPoint(); wxPoint2DDouble end(x,y); wxPoint2DDouble c(cx,cy); c1 = wxDouble(1/3.0) * start + wxDouble(2/3.0) * c; - c2 = wxDouble(2/3.0) * c + wxDouble(1/3.0) * end ; + c2 = wxDouble(2/3.0) * c + wxDouble(1/3.0) * end; AddCurveToPoint(c1.m_x,c1.m_y,c2.m_x,c2.m_y,x,y); } @@ -116,30 +118,30 @@ void wxGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDo wxPoint2DDouble p1(x1,y1); wxPoint2DDouble p2(x2,y2); - wxPoint2DDouble v1 = current - p1 ; + wxPoint2DDouble v1 = current - p1; v1.Normalize(); - wxPoint2DDouble v2 = p2 - p1 ; + wxPoint2DDouble v2 = p2 - p1; v2.Normalize(); wxDouble alpha = v1.GetVectorAngle() - v2.GetVectorAngle(); if ( alpha < 0 ) - alpha = 360 + alpha ; + alpha = 360 + alpha; // TODO obtuse angles alpha = DegToRad(alpha); - wxDouble dist = r / sin(alpha/2) * cos(alpha/2) ; + wxDouble dist = r / sin(alpha/2) * cos(alpha/2); // calculate tangential points - wxPoint2DDouble t1 = dist*v1 + p1 ; - wxPoint2DDouble t2 = dist*v2 + p1 ; + wxPoint2DDouble t1 = dist*v1 + p1; + wxPoint2DDouble t2 = dist*v2 + p1; - wxPoint2DDouble nv1 = v1 ; + wxPoint2DDouble nv1 = v1; nv1.SetVectorAngle(v1.GetVectorAngle()-90); wxPoint2DDouble c = t1 + r*nv1; - wxDouble a1 = v1.GetVectorAngle()+90 ; - wxDouble a2 = v2.GetVectorAngle()-90 ; + wxDouble a1 = v1.GetVectorAngle()+90; + wxDouble a2 = v2.GetVectorAngle()-90; AddLineToPoint(t1); AddArc(c.m_x,c.m_y,r,DegToRad(a1),DegToRad(a2),true); @@ -150,6 +152,8 @@ void wxGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDo // wxGraphicsContext Convenience Methods //----------------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxGraphicsContext, wxObject) + void wxGraphicsContext::DrawPath( const wxGraphicsPath *path, int fillStyle ) { FillPath( path , fillStyle ); @@ -158,17 +162,17 @@ void wxGraphicsContext::DrawPath( const wxGraphicsPath *path, int fillStyle ) void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ) { - Translate(x,y) ; + Translate(x,y); Rotate( -angle ); DrawText( str , 0, 0 ); Rotate( angle ); - Translate(-x,-y) ; + Translate(-x,-y); } void wxGraphicsContext::StrokeLine( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2) { wxGraphicsPath* path = CreatePath(); - path->MoveToPoint(x1, y1) ; + path->MoveToPoint(x1, y1); path->AddLineToPoint( x2, y2 ); StrokePath( path ); delete path; @@ -194,8 +198,8 @@ void wxGraphicsContext::DrawEllipse( wxDouble x, wxDouble y, wxDouble w, wxDoubl { PushState(); Translate(x+w/2,y+h/2); - wxDouble factor = ((wxDouble) w) / h ; - Scale( factor , 1.0) ; + wxDouble factor = ((wxDouble) w) / h; + Scale( factor , 1.0); path->AddCircle(0,0,h/2); DrawPath(path); PopState(); @@ -232,8 +236,8 @@ void wxGraphicsContext::StrokeLines( size_t n, const wxPoint2DDouble *points) { wxASSERT(n > 1); wxGraphicsPath* path = CreatePath(); - path->MoveToPoint(points[0].m_x, points[0].m_y) ; - for ( size_t i = 1 ; i < n; ++i) + path->MoveToPoint(points[0].m_x, points[0].m_y); + for ( size_t i = 1; i < n; ++i) path->AddLineToPoint( points[i].m_x, points[i].m_y ); StrokePath( path ); delete path; @@ -243,8 +247,8 @@ void wxGraphicsContext::DrawLines( size_t n, const wxPoint2DDouble *points, int { wxASSERT(n > 1); wxGraphicsPath* path = CreatePath(); - path->MoveToPoint(points[0].m_x, points[0].m_y) ; - for ( size_t i = 1 ; i < n; ++i) + path->MoveToPoint(points[0].m_x, points[0].m_y); + for ( size_t i = 1; i < n; ++i) path->AddLineToPoint( points[i].m_x, points[i].m_y ); DrawPath( path , fillStyle); delete path; @@ -254,9 +258,9 @@ void wxGraphicsContext::StrokeLines( size_t n, const wxPoint2DDouble *beginPoint { wxASSERT(n > 0); wxGraphicsPath* path = CreatePath(); - for ( size_t i = 0 ; i < n; ++i) + for ( size_t i = 0; i < n; ++i) { - path->MoveToPoint(beginPoints[i].m_x, beginPoints[i].m_y) ; + path->MoveToPoint(beginPoints[i].m_x, beginPoints[i].m_y); path->AddLineToPoint( endPoints[i].m_x, endPoints[i].m_y ); } StrokePath( path ); @@ -274,6 +278,11 @@ wxGCDC::wxGCDC() Init(); } +void wxGCDC::SetGraphicsContext( wxGraphicsContext* ctx ) +{ + delete m_graphicContext; + m_graphicContext = ctx; +} wxGCDC::wxGCDC(const wxWindowDC& dc) { @@ -349,7 +358,7 @@ void wxGCDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord h ww = LogicalToDeviceXRel(width); hh = LogicalToDeviceYRel(height); - m_graphicContext->Clip( xx, yy, ww, hh ); + m_graphicContext->Clip( xx, yy, ww, hh ); if ( m_clipping ) { m_clipX1 = wxMax( m_clipX1, xx ); @@ -394,31 +403,31 @@ void wxGCDC::DoSetClippingRegionAsRegion( const wxRegion ®ion ) } else { - m_graphicContext->Clip( region ) ; - if ( m_clipping ) - { - m_clipX1 = wxMax( m_clipX1, xx ); - m_clipY1 = wxMax( m_clipY1, yy ); - m_clipX2 = wxMin( m_clipX2, (xx + ww) ); - m_clipY2 = wxMin( m_clipY2, (yy + hh) ); - } - else - { - m_clipping = true; - - m_clipX1 = xx; - m_clipY1 = yy; - m_clipX2 = xx + ww; - m_clipY2 = yy + hh; - } - } + m_graphicContext->Clip( region ); + if ( m_clipping ) + { + m_clipX1 = wxMax( m_clipX1, xx ); + m_clipY1 = wxMax( m_clipY1, yy ); + m_clipX2 = wxMin( m_clipX2, (xx + ww) ); + m_clipY2 = wxMin( m_clipY2, (yy + hh) ); + } + else + { + m_clipping = true; + + m_clipX1 = xx; + m_clipY1 = yy; + m_clipX2 = xx + ww; + m_clipY2 = yy + hh; + } + } } void wxGCDC::DestroyClippingRegion() { - m_graphicContext->ResetClip() ; - m_graphicContext->SetPen( m_pen ) ; - m_graphicContext->SetBrush( m_brush ) ; + m_graphicContext->ResetClip(); + m_graphicContext->SetPen( m_pen ); + m_graphicContext->SetBrush( m_brush ); m_clipping = false; } @@ -487,7 +496,7 @@ void wxGCDC::SetUserScale( double x, double y ) m_userScaleX = x; m_userScaleY = y; - ComputeScaleAndOrigin(); + ComputeScaleAndOrigin(); } void wxGCDC::SetLogicalScale( double x, double y ) @@ -547,7 +556,7 @@ void wxGCDC::ComputeScaleAndOrigin() wxPen pen(GetPen()); m_pen = wxNullPen; SetPen(pen); - SetFont(m_font); + SetFont(m_font); } } @@ -565,12 +574,12 @@ void wxGCDC::SetFont( const wxFont &font ) { m_font = font; if ( m_graphicContext ) - { - wxFont f = font ; - if ( f.Ok() ) - f.SetPointSize( LogicalToDeviceYRel(font.GetPointSize())) ; + { + wxFont f = font; + if ( f.Ok() ) + f.SetPointSize( LogicalToDeviceYRel(font.GetPointSize())); m_graphicContext->SetFont( f ); - } + } } void wxGCDC::SetPen( const wxPen &pen ) @@ -793,8 +802,8 @@ void wxGCDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h, wxGraphicsPath* path = m_graphicContext->CreatePath(); m_graphicContext->PushState(); m_graphicContext->Translate(xx+ww/2,yy+hh/2); - wxDouble factor = ((wxDouble) ww) / hh ; - m_graphicContext->Scale( factor , 1.0) ; + wxDouble factor = ((wxDouble) ww) / hh; + m_graphicContext->Scale( factor , 1.0); if ( fill && (sa!=ea) ) path->MoveToPoint(0,0); // since these angles (ea,sa) are measured counter-clockwise, we invert them to @@ -825,14 +834,14 @@ void wxGCDC::DoDrawLines(int n, wxPoint points[], return; #endif - wxPoint2DDouble* pointsD = new wxPoint2DDouble[n] ; - for( int i = 0 ; i < n; ++i) + wxPoint2DDouble* pointsD = new wxPoint2DDouble[n]; + for( int i = 0; i < n; ++i) { pointsD[i].m_x = LogicalToDeviceX(points[i].x + xoffset); pointsD[i].m_y = LogicalToDeviceY(points[i].y + yoffset); } - m_graphicContext->StrokeLines( n , pointsD) ; + m_graphicContext->StrokeLines( n , pointsD); delete[] pointsD; } @@ -909,12 +918,12 @@ void wxGCDC::DoDrawPolygon( int n, wxPoint points[], if ( m_logicalFunction != wxCOPY ) return; - bool closeIt = false ; + bool closeIt = false; if (points[n-1] != points[0]) - closeIt = true ; + closeIt = true; - wxPoint2DDouble* pointsD = new wxPoint2DDouble[n+(closeIt?1:0)] ; - for( int i = 0 ; i < n; ++i) + wxPoint2DDouble* pointsD = new wxPoint2DDouble[n+(closeIt?1:0)]; + for( int i = 0; i < n; ++i) { pointsD[i].m_x = LogicalToDeviceX(points[i].x + xoffset); pointsD[i].m_y = LogicalToDeviceY(points[i].y + yoffset); @@ -922,7 +931,7 @@ void wxGCDC::DoDrawPolygon( int n, wxPoint points[], if ( closeIt ) pointsD[n] = pointsD[0]; - m_graphicContext->DrawLines( n+(closeIt?1:0) , pointsD, fillStyle) ; + m_graphicContext->DrawLines( n+(closeIt?1:0) , pointsD, fillStyle); delete[] pointsD; } @@ -936,17 +945,17 @@ void wxGCDC::DoDrawPolyPolygon(int n, wxASSERT(n > 1); wxGraphicsPath* path = m_graphicContext->CreatePath(); - int i = 0 ; - for ( int j = 0 ; j < n ; ++j) + int i = 0; + for ( int j = 0; j < n; ++j) { wxPoint start = points[i]; - path->MoveToPoint(LogicalToDeviceX(start.x+ xoffset), LogicalToDeviceY(start.y+ yoffset)) ; + path->MoveToPoint(LogicalToDeviceX(start.x+ xoffset), LogicalToDeviceY(start.y+ yoffset)); ++i; int l = count[j]; - for ( int k = 1 ; k < l ; ++k) + for ( int k = 1; k < l; ++k) { path->AddLineToPoint( LogicalToDeviceX(points[i].x+ xoffset), LogicalToDeviceY(points[i].y+ yoffset)); - ++i ; + ++i; } // close the polygon if ( start != points[i-1]) @@ -1028,10 +1037,10 @@ void wxGCDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) if ( m_logicalFunction != wxCOPY ) return; - wxCoord xx = LogicalToDeviceX(x); - wxCoord yy = LogicalToDeviceY(y); + wxDouble xx = LogicalToDeviceX(x); + wxDouble yy = LogicalToDeviceY(y); wxDouble ww = m_signX * LogicalToDeviceXRel(width); - wxCoord hh = m_signY * LogicalToDeviceYRel(height); + wxDouble hh = m_signY * LogicalToDeviceYRel(height); // CMB: draw nothing if transformed w or h is 0 if (ww == 0 || hh == 0) @@ -1084,7 +1093,7 @@ bool wxGCDC::DoBlit( wxCoord wwdest = LogicalToDeviceXRel(width); wxCoord hhdest = LogicalToDeviceYRel(height); - wxMemoryDC* memdc = dynamic_cast(source); + wxMemoryDC* memdc = wxDynamicCast(source,wxMemoryDC); if ( memdc && logical_func == wxCOPY ) { wxBitmap blit = memdc->GetSelectedBitmap(); @@ -1126,7 +1135,7 @@ bool wxGCDC::DoBlit( } else { - wxFAIL_MSG( wxT("Blitting is only supported from bitmap contexts") ); + wxFAIL_MSG( wxT("Blitting is only supported from bitmap contexts, and only with wxCOPY logical operation.") ); return false; } @@ -1187,13 +1196,13 @@ void wxGCDC::DoGetTextExtent( const wxString &str, wxCoord *width, wxCoord *heig m_graphicContext->GetTextExtent( str, &w, &h, &d, &e ); if ( height ) - *height = DeviceToLogicalYRel( h ); + *height = DeviceToLogicalYRel((wxCoord)h); if ( descent ) - *descent =DeviceToLogicalYRel( d); + *descent = DeviceToLogicalYRel((wxCoord)d); if ( externalLeading ) - *externalLeading = DeviceToLogicalYRel( e); + *externalLeading = DeviceToLogicalYRel((wxCoord)e); if ( width ) - *width = DeviceToLogicalXRel( w ); + *width = DeviceToLogicalXRel((wxCoord)w); if ( theFont ) { @@ -1207,13 +1216,13 @@ bool wxGCDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) c widths.Clear(); widths.Add(0,text.Length()); if ( text.IsEmpty() ) - return true ; + return true; - wxArrayDouble widthsD ; + wxArrayDouble widthsD; m_graphicContext->GetPartialTextExtents( text, widthsD ); for ( size_t i = 0; i < widths.GetCount(); ++i ) - widths[i] = DeviceToLogicalXRel( widthsD[i] + 0.5 ) ; + widths[i] = DeviceToLogicalXRel((wxCoord)(widthsD[i] + 0.5)); return true; } @@ -1238,12 +1247,12 @@ void wxGCDC::Clear(void) { wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::Clear - invalid DC") ); // TODO better implementation / incorporate size info into wxGCDC or context - m_graphicContext->SetBrush( m_backgroundBrush ); - wxPen p = *wxTRANSPARENT_PEN ; - m_graphicContext->SetPen( p ); - DoDrawRectangle( 0, 0, 32000 , 32000 ); - m_graphicContext->SetPen( m_pen ) ; - m_graphicContext->SetBrush( m_brush ); + m_graphicContext->SetBrush( m_backgroundBrush ); + wxPen p = *wxTRANSPARENT_PEN; + m_graphicContext->SetPen( p ); + DoDrawRectangle( 0, 0, 32000 , 32000 ); + m_graphicContext->SetPen( m_pen ); + m_graphicContext->SetBrush( m_brush ); } void wxGCDC::DoGetSize(int *width, int *height) const @@ -1257,42 +1266,42 @@ void wxGCDC::DoGradientFillLinear(const wxRect& rect, const wxColour& destColour, wxDirection nDirection ) { - wxPoint start ; - wxPoint end ; + wxPoint start; + wxPoint end; switch( nDirection) { case wxWEST : start = rect.GetRightBottom(); start.x++; end = rect.GetLeftBottom(); - break ; + break; case wxEAST : start = rect.GetLeftBottom(); end = rect.GetRightBottom(); end.x++; - break ; + break; case wxNORTH : start = rect.GetLeftBottom(); start.y++; end = rect.GetLeftTop(); - break ; + break; case wxSOUTH : start = rect.GetLeftTop(); end = rect.GetLeftBottom(); end.y++; - break ; - default : - break; + break; + default : + break; } m_graphicContext->SetLinearGradientBrush( LogicalToDeviceX(start.x),LogicalToDeviceY(start.y), LogicalToDeviceX(end.x),LogicalToDeviceY(end.y), initialColour, destColour); - wxCoord xx = LogicalToDeviceX(rect.x); - wxCoord yy = LogicalToDeviceY(rect.y); + wxDouble xx = LogicalToDeviceX(rect.x); + wxDouble yy = LogicalToDeviceY(rect.y); wxDouble ww = m_signX * LogicalToDeviceXRel(rect.width); - wxCoord hh = m_signY * LogicalToDeviceYRel(rect.height); + wxDouble hh = m_signY * LogicalToDeviceYRel(rect.height); if (ww == 0 || hh == 0) return; @@ -1327,10 +1336,10 @@ void wxGCDC::DoGradientFillConcentric(const wxRect& rect, else nRadius = cy; - wxCoord xx = LogicalToDeviceX(rect.x); - wxCoord yy = LogicalToDeviceY(rect.y); + wxDouble xx = LogicalToDeviceX(rect.x); + wxDouble yy = LogicalToDeviceY(rect.y); wxDouble ww = m_signX * LogicalToDeviceXRel(rect.width); - wxCoord hh = m_signY * LogicalToDeviceYRel(rect.height); + wxDouble hh = m_signY * LogicalToDeviceYRel(rect.height); if (ww == 0 || hh == 0) return; @@ -1347,7 +1356,7 @@ void wxGCDC::DoGradientFillConcentric(const wxRect& rect, } m_graphicContext->SetPen(*wxTRANSPARENT_PEN); - m_graphicContext->SetBrush( wxBrush( destColour) ) ; + m_graphicContext->SetBrush( wxBrush( destColour) ); m_graphicContext->DrawRectangle( xx,yy,ww,hh); m_graphicContext->SetRadialGradientBrush(