void wxSVGFileDCImpl::DoSetClippingRegion( int x, int y, int width, int height )
{
wxString svg;
// End current graphics group to ensure proper xml nesting (e.g. so that
// 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 << "\" "
"x=\"" << x << "\" "
"y=\"" << y << "\" "
"width=\"" << width << "\" "
"height=\"" << height << "\" "
"style=\"stroke: gray; fill: none;\"/>\n"
"</clipPath>\n"
"</defs>\n"
"<g style=\"clip-path: url(#clip" << m_clipNestingLevel << ");\">\n";
write(svg);
// Re-apply current graphics to ensure proper xml nesting
DoStartNewGraphics();
m_clipUniqueId++;
m_clipNestingLevel++;
}
void wxSVGFileDCImpl::NewGraphicsIfNeeded()
{
if ( !m_graphics_changed )
return;
m_graphics_changed = false;
write(wxS("</g>\n"));
DoStartNewGraphics();
}
void wxSVGFileDCImpl::DestroyClippingRegion()
{
wxString svg;
// End current graphics element to ensure proper xml nesting (e.g. graphics
// might have been changed inside the clipping region)
svg << "</g>\n";
// Close clipping group elements
for (size_t i = 0; i < m_clipUniqueId; i++)
{
svg << "</g>\n";
}
write(svg);
// Re-apply current graphics (e.g. brush may have been changed inside one
// of the clipped regions - that change will have been lost after xml
// elements for the clipped region have been closed).
DoStartNewGraphics();
m_clipUniqueId = 0;
}
