X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/af58e08750f3e406772139a0a0964ef6a5241f2c..08670ea85abf4b4946a9ce64971b591d7b1ee30b:/src/common/dcsvg.cpp?ds=sidebyside

diff --git a/src/common/dcsvg.cpp b/src/common/dcsvg.cpp
index 3da7f5090d..9aeb7e9530 100644
--- a/src/common/dcsvg.cpp
+++ b/src/common/dcsvg.cpp
@@ -46,55 +46,63 @@ inline wxString NumStr(double f)
     return wxString::FromCDouble(f, 2);
 }
 
-wxString wxPenString(wxColour c, int style = wxPENSTYLE_SOLID)
+// Return the colour representation as HTML-like "#rrggbb" string and also
+// returns its alpha as opacity number in 0..1 range.
+wxString Col2SVG(wxColour c, float *opacity)
 {
-    wxString s = wxT("stroke:") + c.GetAsString(wxC2S_HTML_SYNTAX)  + wxT("; ");
-    // Use the color's alpha value (if not opaque) for the opacity.
-    // Note that a transparent pen will override the alpha value.
-    if (c.Alpha() != wxALPHA_OPAQUE && style != wxPENSTYLE_TRANSPARENT)
+    if ( c.Alpha() != wxALPHA_OPAQUE )
     {
-        s += wxString::Format(wxT("stroke-opacity:%s; "), NumStr(c.Alpha()/255.));
+        *opacity = c.Alpha()/255.;
+
+        // Remove the alpha before using GetAsString(wxC2S_HTML_SYNTAX) as it
+        // doesn't support colours with alpha channel.
+        c = wxColour(c.GetRGB());
     }
-    else
+    else // No alpha.
     {
-        switch ( style )
-        {
-            case wxPENSTYLE_SOLID:
-                s += wxT("stroke-opacity:1.0; ");
-                break;
-            case wxPENSTYLE_TRANSPARENT:
-                s += wxT("stroke-opacity:0.0; ");
-                break;
-            default :
-                wxASSERT_MSG(false, wxT("wxSVGFileDC::Requested Pen Style not available"));
-        }
+        *opacity = 1.;
     }
-    return s;
+
+    return c.GetAsString(wxC2S_HTML_SYNTAX);
 }
 
-wxString wxBrushString(wxColour c, int style = wxBRUSHSTYLE_SOLID)
+wxString wxPenString(wxColour c, int style = wxPENSTYLE_SOLID)
 {
-    wxString s = wxT("fill:") + c.GetAsString(wxC2S_HTML_SYNTAX)  + wxT("; ");
-    // Use the color's alpha value (if not opaque) for the opacity.
-    // Note that a transparent brush will override the alpha value.
-    if (c.Alpha() != wxALPHA_OPAQUE && style != wxBRUSHSTYLE_TRANSPARENT)
+    float opacity;
+    wxString s = wxT("stroke:") + Col2SVG(c, &opacity)  + wxT("; ");
+
+    switch ( style )
     {
-        s += wxString::Format(wxT("fill-opacity:%s; "), NumStr(c.Alpha()/255.));
+        case wxPENSTYLE_SOLID:
+            s += wxString::Format(wxT("stroke-opacity:%s; "), NumStr(opacity));
+            break;
+        case wxPENSTYLE_TRANSPARENT:
+            s += wxT("stroke-opacity:0.0; ");
+            break;
+        default :
+            wxASSERT_MSG(false, wxT("wxSVGFileDC::Requested Pen Style not available"));
     }
-    else
+
+    return s;
+}
+
+wxString wxBrushString(wxColour c, int style = wxBRUSHSTYLE_SOLID)
+{
+    float opacity;
+    wxString s = wxT("fill:") + Col2SVG(c, &opacity)  + wxT("; ");
+
+    switch ( style )
     {
-        switch ( style )
-        {
-            case wxBRUSHSTYLE_SOLID:
-                s += wxT("fill-opacity:1.0; ");
-                break;
-            case wxBRUSHSTYLE_TRANSPARENT:
-                s += wxT("fill-opacity:0.0; ");
-                break;
-            default :
-                wxASSERT_MSG(false, wxT("wxSVGFileDC::Requested Brush Style not available"));
-        }
+        case wxBRUSHSTYLE_SOLID:
+            s += wxString::Format(wxT("fill-opacity:%s; "), NumStr(opacity));
+            break;
+        case wxBRUSHSTYLE_TRANSPARENT:
+            s += wxT("fill-opacity:0.0; ");
+            break;
+        default :
+            wxASSERT_MSG(false, wxT("wxSVGFileDC::Requested Brush Style not available"));
     }
+
     return s;
 }
 
@@ -139,7 +147,7 @@ void wxSVGFileDCImpl::Init (const wxString &filename, int Width, int Height, dou
     ////////////////////code here
 
     m_outfile = new wxFileOutputStream(filename);
-    m_OK = m_outfile->Ok ();
+    m_OK = m_outfile->IsOk();
     if (m_OK)
     {
         m_filename = filename;
@@ -187,7 +195,7 @@ wxSize wxSVGFileDCImpl::GetPPI() const
 
 void wxSVGFileDCImpl::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 {
-    if (m_graphics_changed) NewGraphics ();
+    if (m_graphics_changed) NewGraphics();
     wxString s;
     s.Printf ( wxT("<path d=\"M%d %d L%d %d\" /> \n"), x1,y1,x2,y2 );
     if (m_OK)
@@ -196,7 +204,6 @@ void wxSVGFileDCImpl::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2
     }
     CalcBoundingBox(x1, y1);
     CalcBoundingBox(x2, y2);
-    return;
 }
 
 void wxSVGFileDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset , wxCoord yoffset )
@@ -211,7 +218,7 @@ void wxSVGFileDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset , wxC
 void wxSVGFileDCImpl::DoDrawPoint (wxCoord x1, wxCoord y1)
 {
     wxString s;
-    if (m_graphics_changed) NewGraphics ();
+    if (m_graphics_changed) NewGraphics();
     s = wxT("<g style = \"stroke-linecap:round;\" > ") + wxString(wxT("\n"));
     write(s);
     DoDrawLine ( x1,y1,x1,y1 );
@@ -232,7 +239,7 @@ void wxSVGFileDCImpl::DoDrawText(const wxString& text, wxCoord x1, wxCoord y1)
 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
-    if (m_graphics_changed) NewGraphics ();
+    if (m_graphics_changed) NewGraphics();
     wxString s, sTmp;
 
     // calculate bounding box
@@ -266,8 +273,8 @@ void wxSVGFileDCImpl::DoDrawRotatedText(const wxString& sText, wxCoord x, wxCoor
     //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("; ");
+    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") };
@@ -276,7 +283,7 @@ void wxSVGFileDCImpl::DoDrawRotatedText(const wxString& sText, wxCoord x, wxCoor
     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 () );
+    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);
@@ -296,7 +303,7 @@ void wxSVGFileDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoo
 void wxSVGFileDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )
 
 {
-    if (m_graphics_changed) NewGraphics ();
+    if (m_graphics_changed) NewGraphics();
     wxString s;
 
     s.Printf ( wxT(" <rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\" rx=\"%s\" "),
@@ -313,7 +320,7 @@ void wxSVGFileDCImpl::DoDrawPolygon(int n, wxPoint points[],
                                     wxCoord xoffset, wxCoord yoffset,
                                     wxPolygonFillMode fillStyle)
 {
-    if (m_graphics_changed) NewGraphics ();
+    if (m_graphics_changed) NewGraphics();
     wxString s, sTmp;
     s = wxT("<polygon style=\"");
     if ( fillStyle == wxODDEVEN_RULE )
@@ -336,7 +343,7 @@ void wxSVGFileDCImpl::DoDrawPolygon(int n, wxPoint points[],
 void wxSVGFileDCImpl::DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 
 {
-    if (m_graphics_changed) NewGraphics ();
+    if (m_graphics_changed) NewGraphics();
 
     int rh = height /2;
     int rw = width  /2;
@@ -362,7 +369,7 @@ void wxSVGFileDCImpl::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
 
     Might be better described as Pie drawing */
 
-    if (m_graphics_changed) NewGraphics ();
+    if (m_graphics_changed) NewGraphics();
     wxString s;
 
     // we need the radius of the circle which has two estimates
@@ -421,7 +428,7 @@ void wxSVGFileDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,
 
     //known bug: SVG draws with the current pen along the radii, but this does not happen in wxMSW
 
-    if (m_graphics_changed) NewGraphics ();
+    if (m_graphics_changed) NewGraphics();
 
     wxString s;
     //radius
@@ -471,12 +478,11 @@ void wxSVGFileDCImpl::DoGetTextExtent(const wxString& string, wxCoord *w, wxCoor
 }
 
 wxCoord wxSVGFileDCImpl::GetCharHeight() const
-
 {
     wxScreenDC sDC;
     sDC.SetFont (m_font);
 
-    return ( sDC.GetCharHeight() );
+    return sDC.GetCharHeight();
 
 }
 
@@ -485,8 +491,7 @@ wxCoord wxSVGFileDCImpl::GetCharWidth() const
     wxScreenDC sDC;
     sDC.SetFont (m_font);
 
-    return ( sDC.GetCharWidth() );
-
+    return sDC.GetCharWidth();
 }
 
 
@@ -496,16 +501,13 @@ wxCoord wxSVGFileDCImpl::GetCharWidth() const
 
 void wxSVGFileDCImpl::SetBackground( const wxBrush &brush )
 {
-
     m_backgroundBrush = brush;
-    return;
 }
 
 
 void wxSVGFileDCImpl::SetBackgroundMode( int mode )
 {
     m_backgroundMode = mode;
-    return;
 }
 
 
@@ -527,14 +529,14 @@ void wxSVGFileDCImpl::SetPen(const wxPen& pen)
     m_graphics_changed = true;
 }
 
-void wxSVGFileDCImpl::NewGraphics ()
+void wxSVGFileDCImpl::NewGraphics()
 {
     wxString s, sBrush, sPenCap, sPenJoin, sPenStyle, sLast, sWarn;
 
-    sBrush = wxT("</g>\n<g style=\"") + wxBrushString ( m_brush.GetColour (), m_brush.GetStyle () )
+    sBrush = wxT("</g>\n<g style=\"") + wxBrushString ( m_brush.GetColour(), m_brush.GetStyle() )
             + wxPenString(m_pen.GetColour(), m_pen.GetStyle());
 
-    switch ( m_pen.GetCap () )
+    switch ( m_pen.GetCap() )
     {
         case  wxCAP_PROJECTING :
             sPenCap = wxT("stroke-linecap:square; ");
@@ -545,8 +547,9 @@ void wxSVGFileDCImpl::NewGraphics ()
         case    wxCAP_ROUND :
         default :
             sPenCap = wxT("stroke-linecap:round; ");
-    };
-    switch ( m_pen.GetJoin () )
+    }
+
+    switch ( m_pen.GetJoin() )
     {
         case  wxJOIN_BEVEL :
             sPenJoin = wxT("stroke-linejoin:bevel; ");
@@ -557,7 +560,7 @@ void wxSVGFileDCImpl::NewGraphics ()
         case    wxJOIN_ROUND :
         default :
             sPenJoin = wxT("stroke-linejoin:round; ");
-    };
+    }
 
     sLast.Printf( wxT("stroke-width:%d\" \n   transform=\"translate(%s %s) scale(%s %s)\">"),
                 m_pen.GetWidth(), NumStr(m_logicalOriginX), NumStr(m_logicalOriginY), NumStr(m_scaleX), NumStr(m_scaleY)  );
@@ -607,12 +610,11 @@ void wxSVGFileDCImpl::DoDrawIcon(const class wxIcon & myIcon, wxCoord x, wxCoord
     memDC.DrawIcon(myIcon,0,0);
     memDC.SelectObject( wxNullBitmap );
     DoDrawBitmap(myBitmap, x, y);
-    return;
 }
 
 void wxSVGFileDCImpl::DoDrawBitmap(const class wxBitmap & bmp, wxCoord x, wxCoord y , bool  WXUNUSED(bTransparent) /*=0*/ )
 {
-    if (m_graphics_changed) NewGraphics ();
+    if (m_graphics_changed) NewGraphics();
 
     wxString sTmp, s, sPNG;
     if ( wxImage::FindHandler(wxBITMAP_TYPE_PNG) == NULL )
@@ -649,16 +651,14 @@ void wxSVGFileDCImpl::DoDrawBitmap(const class wxBitmap & bmp, wxCoord x, wxCoor
     {
         write(s);
     }
-    m_OK = m_outfile->Ok () && bPNG_OK;
-
-    return;
+    m_OK = m_outfile->IsOk() && bPNG_OK;
 }
 
 void wxSVGFileDCImpl::write(const wxString &s)
 {
     const wxCharBuffer buf = s.utf8_str();
     m_outfile->Write(buf, strlen((const char *)buf));
-    m_OK = m_outfile->Ok();
+    m_OK = m_outfile->IsOk();
 }