X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0b822969a677939811d9fb966177031fb5fc625b..e408bf5257ead0754de5ef37a39867c7536dbe03:/src/common/graphcmn.cpp diff --git a/src/common/graphcmn.cpp b/src/common/graphcmn.cpp index d3166c26dd..f48a1be3dc 100644 --- a/src/common/graphcmn.cpp +++ b/src/common/graphcmn.cpp @@ -3,7 +3,7 @@ // Purpose: graphics context methods common to all platforms // Author: Stefan Csomor // Modified by: -// Created: +// Created: // RCS-ID: $Id$ // Copyright: (c) Stefan Csomor // Licence: wxWindows licence @@ -59,42 +59,42 @@ wxGraphicsObjectRefData::wxGraphicsObjectRefData( const wxGraphicsObjectRefData* { m_renderer = data->m_renderer; } -wxGraphicsRenderer* wxGraphicsObjectRefData::GetRenderer() const -{ - return m_renderer ; +wxGraphicsRenderer* wxGraphicsObjectRefData::GetRenderer() const +{ + return m_renderer ; } -wxGraphicsObjectRefData* wxGraphicsObjectRefData::Clone() const +wxGraphicsObjectRefData* wxGraphicsObjectRefData::Clone() const { return new wxGraphicsObjectRefData(this); } -wxGraphicsObject::wxGraphicsObject() +wxGraphicsObject::wxGraphicsObject() { } -wxGraphicsObject::wxGraphicsObject( wxGraphicsRenderer* renderer ) +wxGraphicsObject::wxGraphicsObject( wxGraphicsRenderer* renderer ) { SetRefData( new wxGraphicsObjectRefData(renderer)); } -wxGraphicsObject::~wxGraphicsObject() +wxGraphicsObject::~wxGraphicsObject() { } -bool wxGraphicsObject::IsNull() const -{ - return m_refData == NULL; +bool wxGraphicsObject::IsNull() const +{ + return m_refData == NULL; } -wxGraphicsRenderer* wxGraphicsObject::GetRenderer() const -{ - return ( IsNull() ? NULL : GetGraphicsData()->GetRenderer() ); +wxGraphicsRenderer* wxGraphicsObject::GetRenderer() const +{ + return ( IsNull() ? NULL : GetGraphicsData()->GetRenderer() ); } -wxGraphicsObjectRefData* wxGraphicsObject::GetGraphicsData() const -{ - return (wxGraphicsObjectRefData*) m_refData; +wxGraphicsObjectRefData* wxGraphicsObject::GetGraphicsData() const +{ + return (wxGraphicsObjectRefData*) m_refData; } wxObjectRefData* wxGraphicsObject::CreateRefData() const @@ -138,7 +138,7 @@ void wxGraphicsMatrix::Concat( const wxGraphicsMatrix *t ) } // sets the matrix to the respective values -void wxGraphicsMatrix::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d, +void wxGraphicsMatrix::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d, wxDouble tx, wxDouble ty) { AllocExclusive(); @@ -190,7 +190,7 @@ void wxGraphicsMatrix::Rotate( wxDouble angle ) { AllocExclusive(); GetMatrixData()->Rotate(angle); -} +} // // apply the transforms @@ -252,9 +252,9 @@ void wxGraphicsPath::AddArc( const wxPoint2DDouble& c, wxDouble r, wxDouble star wxRect2DDouble wxGraphicsPath::GetBox() const { - wxDouble x,y,w,h; - GetBox(&x,&y,&w,&h); - return wxRect2DDouble( x,y,w,h ); + wxDouble x,y,w,h; + GetBox(&x,&y,&w,&h); + return wxRect2DDouble( x,y,w,h ); } bool wxGraphicsPath::Contains( const wxPoint2DDouble& c, int fillStyle ) const @@ -271,7 +271,7 @@ void wxGraphicsPath::MoveToPoint( wxDouble x, wxDouble y ) GetPathData()->MoveToPoint(x,y); } -// adds a straight line from the current point to (x,y) +// adds a straight line from the current point to (x,y) void wxGraphicsPath::AddLineToPoint( wxDouble x, wxDouble y ) { AllocExclusive(); @@ -313,7 +313,7 @@ void wxGraphicsPath::AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startA } // -// 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 // @@ -324,7 +324,7 @@ void wxGraphicsPath::AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, GetPathData()->AddQuadCurveToPoint(cx,cy,x,y); } -// appends a rectangle as a new closed subpath +// appends a rectangle as a new closed subpath void wxGraphicsPath::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { AllocExclusive(); @@ -339,7 +339,7 @@ void wxGraphicsPath::AddCircle( wxDouble x, wxDouble y, wxDouble r ) } // appends a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1) -void wxGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) +void wxGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) { GetPathData()->AddArcToPoint(x1,y1,x2,y2,r); } @@ -425,6 +425,9 @@ void wxGraphicsPathData::AddCircle( wxDouble x, wxDouble y, wxDouble r ) void wxGraphicsPathData::AddEllipse( wxDouble x, wxDouble y, wxDouble w, wxDouble h) { + if (w <= 0. || h <= 0.) + return; + wxDouble rw = w/2; wxDouble rh = h/2; wxDouble xc = x + rw; @@ -455,7 +458,7 @@ void wxGraphicsPathData::AddRoundedRectangle( wxDouble x, wxDouble y, wxDouble w // draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1) void wxGraphicsPathData::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) -{ +{ wxPoint2DDouble current; GetCurrentPoint(¤t.m_x,¤t.m_y); wxPoint2DDouble p1(x1,y1); @@ -498,20 +501,20 @@ void wxGraphicsPathData::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, IMPLEMENT_ABSTRACT_CLASS(wxGraphicsContext, wxObject) -wxGraphicsContext::wxGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsObject(renderer) +wxGraphicsContext::wxGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsObject(renderer) { m_logicalFunction = wxCOPY; } -wxGraphicsContext::~wxGraphicsContext() +wxGraphicsContext::~wxGraphicsContext() { } -bool wxGraphicsContext::StartDoc(const wxString& WXUNUSED(message)) +bool wxGraphicsContext::StartDoc(const wxString& WXUNUSED(message)) { return true; } - + void wxGraphicsContext::EndDoc() { } @@ -520,7 +523,7 @@ void wxGraphicsContext::StartPage(wxDouble WXUNUSED(width), wxDouble WXUNUSED(height)) { } - + void wxGraphicsContext::EndPage() { } @@ -533,7 +536,7 @@ void wxGraphicsContext::Flush() void wxGraphicsContext::SetAlpha( wxDouble WXUNUSED(alpha) ) { } - + wxDouble wxGraphicsContext::GetAlpha() const { return 1.0; @@ -553,7 +556,7 @@ void wxGraphicsContext::GetDPI( wxDouble* dpiX, wxDouble* dpiY) } // sets the pen -void wxGraphicsContext::SetPen( const wxGraphicsPen& pen ) +void wxGraphicsContext::SetPen( const wxGraphicsPen& pen ) { m_pen = pen; } @@ -565,9 +568,9 @@ void wxGraphicsContext::SetPen( const wxPen& pen ) else SetPen( CreatePen( pen ) ); } - + // sets the brush for filling -void wxGraphicsContext::SetBrush( const wxGraphicsBrush& brush ) +void wxGraphicsContext::SetBrush( const wxGraphicsBrush& brush ) { m_brush = brush; } @@ -581,7 +584,7 @@ void wxGraphicsContext::SetBrush( const wxBrush& brush ) } // sets the brush for filling -void wxGraphicsContext::SetFont( const wxGraphicsFont& font ) +void wxGraphicsContext::SetFont( const wxGraphicsFont& font ) { m_font = font; } @@ -610,7 +613,11 @@ void wxGraphicsContext::DrawPath( const wxGraphicsPath& path, int fillStyle ) StrokePath( path ); } -void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ) +void +wxGraphicsContext::DoDrawRotatedText(const wxString &str, + wxDouble x, + wxDouble y, + wxDouble angle) { Translate(x,y); Rotate( -angle ); @@ -619,18 +626,22 @@ void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, w Translate(-x,-y); } -void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, const wxGraphicsBrush& backgroundBrush ) +void +wxGraphicsContext::DoDrawFilledText(const wxString &str, + wxDouble x, + wxDouble y, + const wxGraphicsBrush& backgroundBrush) { wxGraphicsBrush formerBrush = m_brush; - wxGraphicsPen formerPen = m_pen; + wxGraphicsPen formerPen = m_pen; wxDouble width; wxDouble height; wxDouble descent; wxDouble externalLeading; GetTextExtent( str , &width, &height, &descent, &externalLeading ); SetBrush( backgroundBrush ); - // to make sure our 'OffsetToPixelBoundaries' doesn't move the fill shape - SetPen( wxNullGraphicsPen ); + // to make sure our 'OffsetToPixelBoundaries' doesn't move the fill shape + SetPen( wxNullGraphicsPen ); wxGraphicsPath path = CreatePath(); path.AddRectangle( x , y, width, height ); @@ -638,13 +649,17 @@ void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, c DrawText( str, x ,y); SetBrush( formerBrush ); - SetPen( formerPen ); + SetPen( formerPen ); } -void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle, const wxGraphicsBrush& backgroundBrush ) +void +wxGraphicsContext::DoDrawRotatedFilledText(const wxString &str, + wxDouble x, wxDouble y, + wxDouble angle, + const wxGraphicsBrush& backgroundBrush) { wxGraphicsBrush formerBrush = m_brush; - wxGraphicsPen formerPen = m_pen; + wxGraphicsPen formerPen = m_pen; wxDouble width; wxDouble height; @@ -652,8 +667,8 @@ void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, w wxDouble externalLeading; GetTextExtent( str , &width, &height, &descent, &externalLeading ); SetBrush( backgroundBrush ); - // to make sure our 'OffsetToPixelBoundaries' doesn't move the fill shape - SetPen( wxNullGraphicsPen ); + // to make sure our 'OffsetToPixelBoundaries' doesn't move the fill shape + SetPen( wxNullGraphicsPen ); wxGraphicsPath path = CreatePath(); path.MoveToPoint( x , y ); @@ -665,7 +680,7 @@ void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, w FillPath( path ); DrawText( str, x ,y, angle); SetBrush( formerBrush ); - SetPen( formerPen ); + SetPen( formerPen ); } void wxGraphicsContext::StrokeLine( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2) @@ -730,7 +745,7 @@ void wxGraphicsContext::StrokeLines( size_t n, const wxPoint2DDouble *beginPoint } // create a 'native' matrix corresponding to these values -wxGraphicsMatrix wxGraphicsContext::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, +wxGraphicsMatrix wxGraphicsContext::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, wxDouble tx, wxDouble ty) const { return GetRenderer()->CreateMatrix(a,b,c,d,tx,ty); @@ -752,13 +767,13 @@ wxGraphicsBrush wxGraphicsContext::CreateBrush(const wxBrush& brush ) const } // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2 -wxGraphicsBrush wxGraphicsContext::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, +wxGraphicsBrush wxGraphicsContext::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2) const { return GetRenderer()->CreateLinearGradientBrush(x1,y1,x2,y2,c1,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 wxGraphicsBrush wxGraphicsContext::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, const wxColour &oColor, const wxColour &cColor) const @@ -790,20 +805,22 @@ wxGraphicsBitmap wxGraphicsContext::CreateSubBitmap( const wxGraphicsBitmap &bmp #endif } -/* static */ wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC& dc) +/* static */ wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC& dc) { return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(dc); } -/* static */ wxGraphicsContext* wxGraphicsContext::Create( const wxMemoryDC& dc) +/* static */ wxGraphicsContext* wxGraphicsContext::Create( const wxMemoryDC& dc) { return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(dc); } -/* static */ wxGraphicsContext* wxGraphicsContext::Create( const wxPrinterDC& dc) +#if wxUSE_PRINTING_ARCHITECTURE +/* static */ wxGraphicsContext* wxGraphicsContext::Create( const wxPrinterDC& dc) { return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(dc); } +#endif wxGraphicsContext* wxGraphicsContext::CreateFromNative( void * context ) {