void wxSVGFileDCImpl::DoStartNewGraphics()
{
wxString s, sBrush, sPenCap, sPenJoin, sPenStyle, sLast;
sBrush = wxS("<g style=\"") + wxBrushString(m_brush.GetColour(), m_brush.GetStyle())
+ wxPenString(m_pen.GetColour(), m_pen.GetStyle());
switch ( m_pen.GetCap() )
{
case wxCAP_PROJECTING :
sPenCap = wxS("stroke-linecap:square; ");
break;
case wxCAP_BUTT :
sPenCap = wxS("stroke-linecap:butt; ");
break;
case wxCAP_ROUND :
default :
sPenCap = wxS("stroke-linecap:round; ");
}
switch ( m_pen.GetJoin() )
{
case wxJOIN_BEVEL :
sPenJoin = wxS("stroke-linejoin:bevel; ");
break;
case wxJOIN_MITER :
sPenJoin = wxS("stroke-linejoin:miter; ");
break;
case wxJOIN_ROUND :
default :
sPenJoin = wxS("stroke-linejoin:round; ");
}
sLast = wxString::Format(wxS("stroke-width:%d\" transform=\"translate(%s %s) scale(%s %s)\">"),
m_pen.GetWidth(),
NumStr((m_deviceOriginX - m_logicalOriginX)* m_signX),
NumStr((m_deviceOriginY - m_logicalOriginY)* m_signY),
NumStr(m_scaleX * m_signX),
NumStr(m_scaleY * m_signY));
s = sBrush + sPenCap + sPenJoin + sPenStyle + sLast + wxS("\n");
write(s);
}
void wxSVGFileDCImpl::DoDrawRotatedText(const wxString& sText, wxCoord x, wxCoord y, double angle)
{
//known bug; if the font is drawn in a scaled DC, it will not behave exactly as wxMSW
NewGraphicsIfNeeded();
wxString s, sTmp;
// calculate bounding box
wxCoord w, h, desc;
DoGetTextExtent(sText, &w, &h, &desc);
double rad = wxDegToRad(angle);
// wxT("upper left") and wxT("upper right")
CalcBoundingBox(x, y);
CalcBoundingBox((wxCoord)(x + w*cos(rad)), (wxCoord)(y - h*sin(rad)));
// wxT("bottom left") and wxT("bottom right")
CalcBoundingBox((wxCoord)(x + h*sin(rad)), (wxCoord)(y + h*cos(rad)));
CalcBoundingBox((wxCoord)(x + h*sin(rad) + w*cos(rad)), (wxCoord)(y + h*cos(rad) - w*sin(rad)));
if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
{
// draw background first
// just like DoDrawRectangle except we pass the text color to it and set the border to a 1 pixel wide text background
sTmp.Printf ( wxT(" <rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\" "), x, y, w, h );
s = sTmp + wxT("style=\"") + wxBrushString(m_textBackgroundColour);
s += wxT("stroke-width:1; ") + wxPenString(m_textBackgroundColour);
sTmp.Printf ( wxT("\" transform=\"rotate( %s %d %d ) \" />"), NumStr(-angle), x,y );
s += sTmp + wxT("\n");
write(s);
}
// convert x,y to SVG text x,y (the coordinates of the text baseline)
x = (wxCoord)(x + (h-desc)*sin(rad));
y = (wxCoord)(y + (h-desc)*cos(rad));
//now do the text itself
s.Printf (wxT(" <text x=\"%d\" y=\"%d\" "),x,y );
sTmp = m_font.GetFaceName();
if (sTmp.Len() > 0) s += wxT("style=\"font-family:") + sTmp + wxT("; ");
else s += wxT("style=\" ");
wxString fontweights [3] = { wxT("normal"), wxT("lighter"), wxT("bold") };
s += wxT("font-weight:") + fontweights[m_font.GetWeight() - wxNORMAL] + wxT("; ");
wxString fontstyles [5] = { wxT("normal"), wxT("style error"), wxT("style error"), wxT("italic"), wxT("oblique") };
s += wxT("font-style:") + fontstyles[m_font.GetStyle() - wxNORMAL] + wxT("; ");
sTmp.Printf (wxT("font-size:%dpt; "), m_font.GetPointSize() );
s += sTmp;
//text will be solid, unless alpha value isn't opaque in the foreground colour
s += wxBrushString(m_textForegroundColour) + wxPenString(m_textForegroundColour);
sTmp.Printf ( wxT("stroke-width:0;\" transform=\"rotate( %s %d %d ) \" >"), NumStr(-angle), x,y );
s += sTmp + wxMarkupParser::Quote(sText) + wxT("</text> ") + wxT("\n");
if (m_OK)
{
write(s);
}
}
void wxSVGFileDCImpl::DoDrawRotatedText(const wxString& sText, wxCoord x, wxCoord y, double angle)
{
//known bug; if the font is drawn in a scaled DC, it will not behave exactly as wxMSW
NewGraphicsIfNeeded();
wxString s;
// Get extent of whole text.
wxCoord w, h, heightLine;
GetOwner()->GetMultiLineTextExtent(sText, &w, &h, &heightLine);
// Compute the shift for the origin of the next line.
const double rad = wxDegToRad(angle);
const double dx = heightLine * sin(rad);
const double dy = heightLine * cos(rad);
// wxS("upper left") and wxS("upper right")
CalcBoundingBox(x, y);
CalcBoundingBox((wxCoord)(x + w*cos(rad)), (wxCoord)(y - h*sin(rad)));
// wxS("bottom left") and wxS("bottom right")
CalcBoundingBox((wxCoord)(x + h*sin(rad)), (wxCoord)(y + h*cos(rad)));
CalcBoundingBox((wxCoord)(x + h*sin(rad) + w*cos(rad)), (wxCoord)(y + h*cos(rad) - w*sin(rad)));
if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
{
// draw background first
// just like DoDrawRectangle except we pass the text color to it and set the border to a 1 pixel wide text background
s += wxString::Format(wxS(" <rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\" "), x, y, w, h);
s += wxS("style=\"") + wxBrushString(m_textBackgroundColour);
s += wxS("stroke-width:1; ") + wxPenString(m_textBackgroundColour);
s += wxString::Format(wxS("\" transform=\"rotate(%s %d %d)\"/>"), NumStr(-angle), x, y);
s += wxS("\n");
write(s);
}
// Draw all text line by line
const wxArrayString lines = wxSplit(sText, '\n', '\0');
for (size_t lineNum = 0; lineNum < lines.size(); lineNum++)
{
// convert x,y to SVG text x,y (the coordinates of the text baseline)
wxCoord ww, hh, desc;
DoGetTextExtent(lines[lineNum], &ww, &hh, &desc);
int xx = x + wxRound(lineNum * dx) + (hh - desc) * sin(rad);
int yy = y + wxRound(lineNum * dy) + (hh - desc) * cos(rad);
//now do the text itself
s += wxString::Format(wxS(" <text x=\"%d\" y=\"%d\" textLength=\"%d\" "), xx, yy, ww);
wxString fontName(m_font.GetFaceName());
if (fontName.Len() > 0)
s += wxS("style=\"font-family:") + fontName + wxS("; ");
else
s += wxS("style=\" ");
wxString fontweight;
switch (m_font.GetWeight())
{
case wxFONTWEIGHT_MAX:
wxFAIL_MSG(wxS("invalid font weight value"));
wxFALLTHROUGH;
case wxFONTWEIGHT_NORMAL:
fontweight = wxS("normal");
break;
case wxFONTWEIGHT_LIGHT:
fontweight = wxS("lighter");
break;
case wxFONTWEIGHT_BOLD:
fontweight = wxS("bold");
break;
}
wxASSERT_MSG(!fontweight.empty(), wxS("unknown font weight value"));
s += wxS("font-weight:") + fontweight + wxS("; ");
wxString fontstyle;
switch (m_font.GetStyle())
{
case wxFONTSTYLE_MAX:
wxFAIL_MSG(wxS("invalid font style value"));
wxFALLTHROUGH;
case wxFONTSTYLE_NORMAL:
fontstyle = wxS("normal");
break;
case wxFONTSTYLE_ITALIC:
fontstyle = wxS("italic");
break;
case wxFONTSTYLE_SLANT:
fontstyle = wxS("oblique");
break;
}
wxASSERT_MSG(!fontstyle.empty(), wxS("unknown font style value"));
s += wxS("font-style:") + fontstyle + wxS("; ");
wxString textDecoration;
if (m_font.GetUnderlined())
textDecoration += wxS(" underline");
if (m_font.GetStrikethrough())
textDecoration += wxS(" line-through");
if (textDecoration.IsEmpty())
textDecoration = wxS(" none");
s += wxS("text-decoration:") + textDecoration + wxS("; ");
s += wxString::Format(wxS("font-size:%dpt; "), m_font.GetPointSize());
//text will be solid, unless alpha value isn't opaque in the foreground colour
s += wxBrushString(m_textForegroundColour) + wxPenString(m_textForegroundColour);
s += wxString::Format(wxS("stroke-width:0;\" transform=\"rotate(%s %d %d)\""), NumStr(-angle), xx, yy);
s += wxS(" xml:space=\"preserve\">");
s += wxMarkupParser::Quote(lines[lineNum]) + wxS("</text>\n");
write(s);
}
}
