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Enable usage of clipping regions in wxSVGFileDC.

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It was implemented 3 and half years ago in 614e38d.
Close remaining clipping regions when closing the SVG file.
This commit is contained in:
Maarten Bent 2016-03-15 20:15:07 +01:00
parent 3eae97d2d7
commit ebab640578
2 changed files with 21 additions and 15 deletions
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17
include/wx/dcsvg.h
View File

@ -91,10 +91,10 @@ public:
virtual wxCoord GetCharHeight() const wxOVERRIDE;
virtual wxCoord GetCharWidth() const wxOVERRIDE;
virtual void SetClippingRegion(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
wxCoord WXUNUSED(w), wxCoord WXUNUSED(h))
virtual void SetClippingRegion(wxCoord x, wxCoord y,
wxCoord w, wxCoord h)
{
wxFAIL_MSG(wxT("wxSVGFILEDC::SetClippingRegion not implemented"));
DoSetClippingRegion(x, y, w, h);
}
virtual void SetPalette(const wxPalette& WXUNUSED(palette)) wxOVERRIDE
@ -102,10 +102,10 @@ public:
wxFAIL_MSG(wxT("wxSVGFILEDC::SetPalette not implemented"));
}
virtual void GetClippingBox(wxCoord *WXUNUSED(x), wxCoord *WXUNUSED(y),
wxCoord *WXUNUSED(w), wxCoord *WXUNUSED(h))
virtual void GetClippingBox(wxCoord *x, wxCoord *y,
wxCoord *w, wxCoord *h)
{
wxFAIL_MSG(wxT("wxSVGFILEDC::GetClippingBox not implemented"));
DoGetClippingBox(x, y, w, h);
}
virtual void SetLogicalFunction(wxRasterOperationMode WXUNUSED(function)) wxOVERRIDE
@ -201,9 +201,10 @@ private:
wxCoord *externalLeading = NULL,
const wxFont *font = NULL) const wxOVERRIDE;
virtual void DoSetDeviceClippingRegion(const wxRegion& WXUNUSED(region)) wxOVERRIDE
virtual void DoSetDeviceClippingRegion(const wxRegion& region) wxOVERRIDE
{
wxFAIL_MSG(wxT("wxSVGFILEDC::DoSetDeviceClippingRegion not yet implemented"));
DoSetClippingRegion(region.GetBox().x, region.GetBox().y,
region.GetBox().width, region.GetBox().height);
}
virtual void DoSetClippingRegion(int x, int y, int width, int height) wxOVERRIDE;

19
src/common/dcsvg.cpp
View File

@ -279,7 +279,13 @@ void wxSVGFileDCImpl::Init (const wxString &filename, int Width, int Height, dou
wxSVGFileDCImpl::~wxSVGFileDCImpl()
{
wxString s = wxT("</g> \n</svg> \n");
wxString s;
// Close remaining clipping group elements
for (size_t i = 0; i < m_clipUniqueId; i++)
s += wxS("</g>\n");
s += wxS("</g>\n</svg>\n");
write(s);
delete m_outfile;
}
@ -617,7 +623,7 @@ void wxSVGFileDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,
}
}
void wxSVGFileDCImpl::DoSetClippingRegion( int x, int y, int width, int height )
void wxSVGFileDCImpl::DoSetClippingRegion(int x, int y, int width, int height)
{
wxString svg;
@ -625,14 +631,14 @@ void wxSVGFileDCImpl::DoSetClippingRegion( int x, int y, int width, int height
// graphics can be subsequently changed inside the clipping region)
svg << "</g>\n"
"<defs>\n"
"<clipPath id=\"clip" << m_clipNestingLevel << "\">\n"
"<rect id=\"cliprect" << m_clipNestingLevel << "\" "
" <clipPath id=\"clip" << m_clipNestingLevel << "\">\n"
" <rect id=\"cliprect" << m_clipNestingLevel << "\" "
"x=\"" << x << "\" "
"y=\"" << y << "\" "
"width=\"" << width << "\" "
"height=\"" << height << "\" "
"style=\"stroke: gray; fill: none;\"/>\n"
"</clipPath>\n"
" </clipPath>\n"
"</defs>\n"
"<g style=\"clip-path: url(#clip" << m_clipNestingLevel << ");\">\n";
@ -656,9 +662,8 @@ void wxSVGFileDCImpl::DestroyClippingRegion()
// Close clipping group elements
for ( size_t i = 0; i < m_clipUniqueId; i++ )
{
svg << "</g>";
svg << "</g>\n";
}
svg << "\n";
write(svg);