X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2c8204062697e1d3c6600bc73c40c97fd29a13dd..12b5f4b4d2d8a07962da7ba3b78c8c1ec2634a67:/src/common/graphcmn.cpp diff --git a/src/common/graphcmn.cpp b/src/common/graphcmn.cpp index da3504a4b2..f2396a06b1 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 @@ -18,17 +18,14 @@ #if wxUSE_GRAPHICS_CONTEXT -#include "wx/graphics.h" +#include "wx/private/graphics.h" #ifndef WX_PRECOMP #include "wx/icon.h" #include "wx/bitmap.h" #include "wx/dcmemory.h" #include "wx/region.h" -#endif - -#if !defined(wxMAC_USE_CORE_GRAPHICS_BLEND_MODES) -#define wxMAC_USE_CORE_GRAPHICS_BLEND_MODES 0 + #include "wx/log.h" #endif //----------------------------------------------------------------------------- @@ -62,42 +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 @@ -119,18 +116,117 @@ wxObjectRefData* wxGraphicsObject::CloneRefData(const wxObjectRefData* data) con IMPLEMENT_DYNAMIC_CLASS(wxGraphicsPen, wxGraphicsObject) IMPLEMENT_DYNAMIC_CLASS(wxGraphicsBrush, wxGraphicsObject) IMPLEMENT_DYNAMIC_CLASS(wxGraphicsFont, wxGraphicsObject) +IMPLEMENT_DYNAMIC_CLASS(wxGraphicsBitmap, wxGraphicsObject) + WXDLLIMPEXP_DATA_CORE(wxGraphicsPen) wxNullGraphicsPen; WXDLLIMPEXP_DATA_CORE(wxGraphicsBrush) wxNullGraphicsBrush; WXDLLIMPEXP_DATA_CORE(wxGraphicsFont) wxNullGraphicsFont; +WXDLLIMPEXP_DATA_CORE(wxGraphicsBitmap) wxNullGraphicsBitmap; -IMPLEMENT_ABSTRACT_CLASS(wxGraphicsRenderer, wxObject) -IMPLEMENT_ABSTRACT_CLASS(wxGraphicsMatrix, wxGraphicsObject) -IMPLEMENT_ABSTRACT_CLASS(wxGraphicsPath, wxGraphicsObject) +//----------------------------------------------------------------------------- +// matrix +//----------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxGraphicsMatrix, wxGraphicsObject) +WXDLLIMPEXP_DATA_CORE(wxGraphicsMatrix) wxNullGraphicsMatrix; + +// concatenates the matrix +void wxGraphicsMatrix::Concat( const wxGraphicsMatrix *t ) +{ + AllocExclusive(); + GetMatrixData()->Concat(t->GetMatrixData()); +} + +// sets the matrix to the respective values +void wxGraphicsMatrix::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d, + wxDouble tx, wxDouble ty) +{ + AllocExclusive(); + GetMatrixData()->Set(a,b,c,d,tx,ty); +} + +// gets the component valuess of the matrix +void wxGraphicsMatrix::Get(wxDouble* a, wxDouble* b, wxDouble* c, + wxDouble* d, wxDouble* tx, wxDouble* ty) const +{ + GetMatrixData()->Get(a, b, c, d, tx, ty); +} + +// makes this the inverse matrix +void wxGraphicsMatrix::Invert() +{ + AllocExclusive(); + GetMatrixData()->Invert(); +} + +// returns true if the elements of the transformation matrix are equal ? +bool wxGraphicsMatrix::IsEqual( const wxGraphicsMatrix* t) const +{ + return GetMatrixData()->IsEqual(t->GetMatrixData()); +} + +// return true if this is the identity matrix +bool wxGraphicsMatrix::IsIdentity() const +{ + return GetMatrixData()->IsIdentity(); +} + +// add the translation to this matrix +void wxGraphicsMatrix::Translate( wxDouble dx , wxDouble dy ) +{ + AllocExclusive(); + GetMatrixData()->Translate(dx,dy); +} + +// add the scale to this matrix +void wxGraphicsMatrix::Scale( wxDouble xScale , wxDouble yScale ) +{ + AllocExclusive(); + GetMatrixData()->Scale(xScale,yScale); +} + +// add the rotation to this matrix (radians) +void wxGraphicsMatrix::Rotate( wxDouble angle ) +{ + AllocExclusive(); + GetMatrixData()->Rotate(angle); +} + +// +// apply the transforms +// + +// applies that matrix to the point +void wxGraphicsMatrix::TransformPoint( wxDouble *x, wxDouble *y ) const +{ + GetMatrixData()->TransformPoint(x,y); +} + +// applies the matrix except for translations +void wxGraphicsMatrix::TransformDistance( wxDouble *dx, wxDouble *dy ) const +{ + GetMatrixData()->TransformDistance(dx,dy); +} -wxPoint2DDouble wxGraphicsPath::GetCurrentPoint() +// returns the native representation +void * wxGraphicsMatrix::GetNativeMatrix() const +{ + return GetMatrixData()->GetNativeMatrix(); +} + +//----------------------------------------------------------------------------- +// path +//----------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxGraphicsPath, wxGraphicsObject) +WXDLLIMPEXP_DATA_CORE(wxGraphicsPath) wxNullGraphicsPath; + +// convenience functions, for using wxPoint2DDouble etc + +wxPoint2DDouble wxGraphicsPath::GetCurrentPoint() const { wxDouble x,y; - GetCurrentPoint(x,y); + GetCurrentPoint(&x,&y); return wxPoint2DDouble(x,y); } @@ -154,24 +250,156 @@ void wxGraphicsPath::AddArc( const wxPoint2DDouble& c, wxDouble r, wxDouble star AddArc(c.m_x, c.m_y, r, startAngle, endAngle, clockwise); } -wxRect2DDouble wxGraphicsPath::GetBox() +wxRect2DDouble wxGraphicsPath::GetBox() const +{ + wxDouble x,y,w,h; + GetBox(&x,&y,&w,&h); + return wxRect2DDouble( x,y,w,h ); +} + +bool wxGraphicsPath::Contains( const wxPoint2DDouble& c, wxPolygonFillMode fillStyle ) const +{ + return Contains( c.m_x, c.m_y, fillStyle); +} + +// true redirections + +// begins a new subpath at (x,y) +void wxGraphicsPath::MoveToPoint( wxDouble x, wxDouble y ) +{ + AllocExclusive(); + GetPathData()->MoveToPoint(x,y); +} + +// adds a straight line from the current point to (x,y) +void wxGraphicsPath::AddLineToPoint( wxDouble x, wxDouble y ) +{ + AllocExclusive(); + GetPathData()->AddLineToPoint(x,y); +} + +// adds a cubic Bezier curve from the current point, using two control points and an end point +void wxGraphicsPath::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) +{ + AllocExclusive(); + GetPathData()->AddCurveToPoint(cx1,cy1,cx2,cy2,x,y); +} + +// adds another path +void wxGraphicsPath::AddPath( const wxGraphicsPath& path ) { - wxDouble x,y,w,h; - GetBox(&x,&y,&w,&h); - return wxRect2DDouble( x,y,w,h ); + AllocExclusive(); + GetPathData()->AddPath(path.GetPathData()); +} + +// closes the current sub-path +void wxGraphicsPath::CloseSubpath() +{ + AllocExclusive(); + GetPathData()->CloseSubpath(); +} + +// gets the last point of the current path, (0,0) if not yet set +void wxGraphicsPath::GetCurrentPoint( wxDouble* x, wxDouble* y) const +{ + GetPathData()->GetCurrentPoint(x,y); +} + +// adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle +void wxGraphicsPath::AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ) +{ + AllocExclusive(); + GetPathData()->AddArc(x,y,r,startAngle,endAngle,clockwise); } // -// Emulations +// These are convenience functions which - if not available natively will be assembled +// using the primitives from above // +// adds a quadratic Bezier curve from the current point, using a control point and an end point void wxGraphicsPath::AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y ) +{ + AllocExclusive(); + GetPathData()->AddQuadCurveToPoint(cx,cy,x,y); +} + +// appends a rectangle as a new closed subpath +void wxGraphicsPath::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +{ + AllocExclusive(); + GetPathData()->AddRectangle(x,y,w,h); +} + +// appends an ellipsis as a new closed subpath fitting the passed rectangle +void wxGraphicsPath::AddCircle( wxDouble x, wxDouble y, wxDouble r ) +{ + AllocExclusive(); + GetPathData()->AddCircle(x,y,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 ) +{ + GetPathData()->AddArcToPoint(x1,y1,x2,y2,r); +} + +// appends an ellipse +void wxGraphicsPath::AddEllipse( wxDouble x, wxDouble y, wxDouble w, wxDouble h) +{ + AllocExclusive(); + GetPathData()->AddEllipse(x,y,w,h); +} + +// appends a rounded rectangle +void wxGraphicsPath::AddRoundedRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h, wxDouble radius) +{ + AllocExclusive(); + GetPathData()->AddRoundedRectangle(x,y,w,h,radius); +} + +// returns the native path +void * wxGraphicsPath::GetNativePath() const +{ + return GetPathData()->GetNativePath(); +} + +// give the native path returned by GetNativePath() back (there might be some deallocations necessary) +void wxGraphicsPath::UnGetNativePath(void *p)const +{ + GetPathData()->UnGetNativePath(p); +} + +// transforms each point of this path by the matrix +void wxGraphicsPath::Transform( const wxGraphicsMatrix& matrix ) +{ + AllocExclusive(); + GetPathData()->Transform(matrix.GetMatrixData()); +} + +// gets the bounding box enclosing all points (possibly including control points) +void wxGraphicsPath::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const +{ + GetPathData()->GetBox(x,y,w,h); +} + +bool wxGraphicsPath::Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle ) const +{ + return GetPathData()->Contains(x,y,fillStyle); +} + +// +// Emulations, these mus be implemented in the ...Data classes in order to allow for proper overrides +// + +void wxGraphicsPathData::AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y ) { // calculate using degree elevation to a cubic bezier wxPoint2DDouble c1; wxPoint2DDouble c2; - wxPoint2DDouble start = GetCurrentPoint(); + wxPoint2DDouble start; + GetCurrentPoint(&start.m_x,&start.m_y); wxPoint2DDouble end(x,y); wxPoint2DDouble c(cx,cy); c1 = wxDouble(1/3.0) * start + wxDouble(2/3.0) * c; @@ -179,7 +407,7 @@ void wxGraphicsPath::AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, AddCurveToPoint(c1.m_x,c1.m_y,c2.m_x,c2.m_y,x,y); } -void wxGraphicsPath::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +void wxGraphicsPathData::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { MoveToPoint(x,y); AddLineToPoint(x,y+h); @@ -188,31 +416,32 @@ void wxGraphicsPath::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble CloseSubpath(); } -void wxGraphicsPath::AddCircle( wxDouble x, wxDouble y, wxDouble r ) +void wxGraphicsPathData::AddCircle( wxDouble x, wxDouble y, wxDouble r ) { MoveToPoint(x+r,y); AddArc( x,y,r,0,2*M_PI,false); CloseSubpath(); } -void wxGraphicsPath::AddEllipse( wxDouble x, wxDouble y, wxDouble w, wxDouble h) +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; wxDouble yc = y + rh; - wxGraphicsMatrix* m = GetRenderer()->CreateMatrix(); - m->Translate(xc,yc); - m->Scale(rw/rh,1.0); - wxGraphicsPath* p = GetRenderer()->CreatePath(); - p->AddCircle(0,0,rh); - p->Transform(m); - AddPath(p); - delete p; - delete m; + wxGraphicsMatrix m = GetRenderer()->CreateMatrix(); + m.Translate(xc,yc); + m.Scale(rw/rh,1.0); + wxGraphicsPath p = GetRenderer()->CreatePath(); + p.AddCircle(0,0,rh); + p.Transform(m); + AddPath(p.GetPathData()); } -void wxGraphicsPath::AddRoundedRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h, wxDouble radius) +void wxGraphicsPathData::AddRoundedRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h, wxDouble radius) { if ( radius == 0 ) AddRectangle(x,y,w,h); @@ -228,9 +457,10 @@ void wxGraphicsPath::AddRoundedRectangle( wxDouble x, wxDouble y, wxDouble w, wx } // 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 wxGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) -{ - wxPoint2DDouble current = GetCurrentPoint(); +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); wxPoint2DDouble p2(x2,y2); @@ -259,9 +489,9 @@ void wxGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDo wxDouble a1 = v1.GetVectorAngle()+90; wxDouble a2 = v2.GetVectorAngle()-90; - AddLineToPoint(t1); + AddLineToPoint(t1.m_x,t1.m_y); AddArc(c.m_x,c.m_y,r,DegToRad(a1),DegToRad(a2),true); - AddLineToPoint(p2); + AddLineToPoint(p2.m_x,p2.m_y); } //----------------------------------------------------------------------------- @@ -271,48 +501,104 @@ void wxGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDo IMPLEMENT_ABSTRACT_CLASS(wxGraphicsContext, wxObject) -wxGraphicsContext::wxGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsObject(renderer) +wxGraphicsContext::wxGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsObject(renderer) +{ + m_logicalFunction = wxCOPY; +} + +wxGraphicsContext::~wxGraphicsContext() +{ +} + +bool wxGraphicsContext::StartDoc(const wxString& WXUNUSED(message)) +{ + return true; +} + +void wxGraphicsContext::EndDoc() +{ +} + +void wxGraphicsContext::StartPage(wxDouble WXUNUSED(width), + wxDouble WXUNUSED(height)) +{ +} + +void wxGraphicsContext::EndPage() +{ +} + +void wxGraphicsContext::Flush() +{ +} + +#if 0 +void wxGraphicsContext::SetAlpha( wxDouble WXUNUSED(alpha) ) +{ +} + +wxDouble wxGraphicsContext::GetAlpha() const +{ + return 1.0; +} +#endif + +void wxGraphicsContext::GetSize( wxDouble* width, wxDouble* height) { + *width = 10000.0; + *height = 10000.0; } -wxGraphicsContext::~wxGraphicsContext() +void wxGraphicsContext::GetDPI( wxDouble* dpiX, wxDouble* dpiY) { + *dpiX = 72.0; + *dpiY = 72.0; } // sets the pen -void wxGraphicsContext::SetPen( const wxGraphicsPen& pen ) +void wxGraphicsContext::SetPen( const wxGraphicsPen& pen ) { m_pen = pen; } void wxGraphicsContext::SetPen( const wxPen& pen ) { - if ( pen.GetStyle() == wxTRANSPARENT ) + if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT ) SetPen( wxNullGraphicsPen ); else SetPen( CreatePen( pen ) ); } - + // sets the brush for filling -void wxGraphicsContext::SetBrush( const wxGraphicsBrush& brush ) +void wxGraphicsContext::SetBrush( const wxGraphicsBrush& brush ) { m_brush = brush; } void wxGraphicsContext::SetBrush( const wxBrush& brush ) { - if ( brush.GetStyle() == wxTRANSPARENT ) + if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT ) SetBrush( wxNullGraphicsBrush ); else SetBrush( CreateBrush( brush ) ); } // sets the brush for filling -void wxGraphicsContext::SetFont( const wxGraphicsFont& font ) +void wxGraphicsContext::SetFont( const wxGraphicsFont& font ) { m_font = font; } +bool wxGraphicsContext::SetLogicalFunction( wxRasterOperationMode function ) +{ + if ( function == wxCOPY ) + { + m_logicalFunction = function; + return true; + } + return false; +} + void wxGraphicsContext::SetFont( const wxFont& font, const wxColour& colour ) { if ( font.Ok() ) @@ -321,13 +607,17 @@ void wxGraphicsContext::SetFont( const wxFont& font, const wxColour& colour ) SetFont( wxNullGraphicsFont ); } -void wxGraphicsContext::DrawPath( const wxGraphicsPath *path, int fillStyle ) +void wxGraphicsContext::DrawPath( const wxGraphicsPath& path, wxPolygonFillMode fillStyle ) { FillPath( path , 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 ); @@ -336,122 +626,202 @@ void wxGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, w Translate(-x,-y); } +void +wxGraphicsContext::DoDrawFilledText(const wxString &str, + wxDouble x, + wxDouble y, + const wxGraphicsBrush& backgroundBrush) +{ + wxGraphicsBrush formerBrush = m_brush; + 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 ); + + wxGraphicsPath path = CreatePath(); + path.AddRectangle( x , y, width, height ); + FillPath( path ); + + DrawText( str, x ,y); + SetBrush( formerBrush ); + SetPen( formerPen ); +} + +void +wxGraphicsContext::DoDrawRotatedFilledText(const wxString &str, + wxDouble x, wxDouble y, + wxDouble angle, + const wxGraphicsBrush& backgroundBrush) +{ + wxGraphicsBrush formerBrush = m_brush; + 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 ); + + wxGraphicsPath path = CreatePath(); + path.MoveToPoint( x , y ); + path.AddLineToPoint( (int) (x + sin(angle) * height) , (int) (y + cos(angle) * height) ); + path.AddLineToPoint( + (int) (x + sin(angle) * height + cos(angle) * width) , + (int) (y + cos(angle) * height - sin(angle) * width)); + path.AddLineToPoint((int) (x + cos(angle) * width) , (int) (y - sin(angle) * width) ); + FillPath( path ); + DrawText( str, x ,y, angle); + SetBrush( formerBrush ); + SetPen( formerPen ); +} + void wxGraphicsContext::StrokeLine( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2) { - wxGraphicsPath* path = CreatePath(); - path->MoveToPoint(x1, y1); - path->AddLineToPoint( x2, y2 ); + wxGraphicsPath path = CreatePath(); + path.MoveToPoint(x1, y1); + path.AddLineToPoint( x2, y2 ); StrokePath( path ); - delete path; } void wxGraphicsContext::DrawRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h) { - wxGraphicsPath* path = CreatePath(); - path->AddRectangle( x , y , w , h ); + wxGraphicsPath path = CreatePath(); + path.AddRectangle( x , y , w , h ); DrawPath( path ); - delete path; } void wxGraphicsContext::DrawEllipse( wxDouble x, wxDouble y, wxDouble w, wxDouble h) { - wxGraphicsPath* path = CreatePath(); - path->AddEllipse(x,y,w,h); + wxGraphicsPath path = CreatePath(); + path.AddEllipse(x,y,w,h); DrawPath(path); - delete path; } void wxGraphicsContext::DrawRoundedRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h, wxDouble radius) { - wxGraphicsPath* path = CreatePath(); - path->AddRoundedRectangle(x,y,w,h,radius); + wxGraphicsPath path = CreatePath(); + path.AddRoundedRectangle(x,y,w,h,radius); DrawPath(path); - delete path; } 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); + wxGraphicsPath path = CreatePath(); + 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 ); + path.AddLineToPoint( points[i].m_x, points[i].m_y ); StrokePath( path ); - delete path; } -void wxGraphicsContext::DrawLines( size_t n, const wxPoint2DDouble *points, int fillStyle) +void wxGraphicsContext::DrawLines( size_t n, const wxPoint2DDouble *points, wxPolygonFillMode fillStyle) { wxASSERT(n > 1); - wxGraphicsPath* path = CreatePath(); - path->MoveToPoint(points[0].m_x, points[0].m_y); + wxGraphicsPath path = CreatePath(); + 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 ); + path.AddLineToPoint( points[i].m_x, points[i].m_y ); DrawPath( path , fillStyle); - delete path; } void wxGraphicsContext::StrokeLines( size_t n, const wxPoint2DDouble *beginPoints, const wxPoint2DDouble *endPoints) { wxASSERT(n > 0); - wxGraphicsPath* path = CreatePath(); + wxGraphicsPath path = CreatePath(); for ( size_t i = 0; i < n; ++i) { - path->MoveToPoint(beginPoints[i].m_x, beginPoints[i].m_y); - path->AddLineToPoint( endPoints[i].m_x, endPoints[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 ); - delete path; } // create a 'native' matrix corresponding to these values -wxGraphicsMatrix* wxGraphicsContext::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, - wxDouble tx, wxDouble ty) +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); } -wxGraphicsPath * wxGraphicsContext::CreatePath() +wxGraphicsPath wxGraphicsContext::CreatePath() const { return GetRenderer()->CreatePath(); } -wxGraphicsPen wxGraphicsContext::CreatePen(const wxPen& pen) +wxGraphicsPen wxGraphicsContext::CreatePen(const wxPen& pen) const { return GetRenderer()->CreatePen(pen); } -wxGraphicsBrush wxGraphicsContext::CreateBrush(const wxBrush& brush ) +wxGraphicsBrush wxGraphicsContext::CreateBrush(const wxBrush& brush ) const { return GetRenderer()->CreateBrush(brush); } // 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, - const wxColour&c1, const wxColour&c2) +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 wxColour &oColor, const wxColour &cColor) const { return GetRenderer()->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor); } // sets the font -wxGraphicsFont wxGraphicsContext::CreateFont( const wxFont &font , const wxColour &col ) +wxGraphicsFont wxGraphicsContext::CreateFont( const wxFont &font , const wxColour &col ) const { return GetRenderer()->CreateFont(font,col); } -wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC& dc) +wxGraphicsBitmap wxGraphicsContext::CreateBitmap( const wxBitmap& bmp ) const +{ +#ifndef __WXGTK20__ + return GetRenderer()->CreateBitmap(bmp); +#else + return wxNullGraphicsBitmap; +#endif +} + +wxGraphicsBitmap wxGraphicsContext::CreateSubBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) const +{ +#ifndef __WXGTK20__ + return GetRenderer()->CreateSubBitmap(bmp,x,y,w,h); +#else + return wxNullGraphicsBitmap; +#endif +} + +/* static */ wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC& dc) { return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(dc); } +/* static */ wxGraphicsContext* wxGraphicsContext::Create( const wxMemoryDC& dc) +{ + return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(dc); +} + +#if wxUSE_PRINTING_ARCHITECTURE +/* static */ wxGraphicsContext* wxGraphicsContext::Create( const wxPrinterDC& dc) +{ + return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(dc); +} +#endif + wxGraphicsContext* wxGraphicsContext::CreateFromNative( void * context ) { return wxGraphicsRenderer::GetDefaultRenderer()->CreateContextFromNativeContext(context); @@ -467,4 +837,15 @@ wxGraphicsContext* wxGraphicsContext::Create( wxWindow* window ) return wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(window); } +wxGraphicsContext* wxGraphicsContext::Create() +{ + return wxGraphicsRenderer::GetDefaultRenderer()->CreateMeasuringContext(); +} + +//----------------------------------------------------------------------------- +// wxGraphicsRenderer +//----------------------------------------------------------------------------- + +IMPLEMENT_ABSTRACT_CLASS(wxGraphicsRenderer, wxObject) + #endif // wxUSE_GRAPHICS_CONTEXT