void CSG_Doc_SVG::Draw_LinkedPolygon(CSG_Points &Points,
const SG_Char* Link,
int Fill_Color,
int Line_Color,
double Line_Width)
{
if( Points.Get_Count() > 2 )
{
int i;
CSG_String sPoints;
CSG_String sWidth;
CSG_String sLink;
for (i = 0; i < Points.Get_Count(); i++)
{
sPoints.Append(SG_Get_String(Points.Get_X(i),2));
sPoints.Append(SG_T(","));
sPoints.Append(SG_Get_String(Points.Get_Y(i),2));
sPoints.Append(SG_T(" "));
}
m_sSVGCode.Append(SG_T("<polygon "));
_AddAttribute(SG_T("points"), sPoints);
sWidth.Append(SG_Get_String(Line_Width,2));
sWidth.Append(g_Unit);
_AddAttribute(SG_T("stroke-width"), sWidth);
_AddAttribute(SG_T("stroke"), _Get_SVGColor(Line_Color));
_AddAttribute(SG_T("fill"), _Get_SVGColor(Fill_Color));
sLink = SG_T("window.open('");
sLink.Append(Link);
sLink.Append(SG_T("')"));
_AddAttribute(SG_T("onclick"), sLink);
m_sSVGCode.Append(SG_T("/>\n"));
}
}
void CSG_Doc_SVG::Draw_Line(CSG_Points &Points,
double Width,
int Color)
{
int i;
CSG_String sPoints;
CSG_String sWidth;
for (i = 0; i < Points.Get_Count(); i++)
{
sPoints.Append(SG_Get_String(Points.Get_X(i),2));
sPoints.Append(SG_T(","));
sPoints.Append(SG_Get_String(Points.Get_Y(i),2));
sPoints.Append(SG_T(" "));
}
m_sSVGCode.Append(SG_T("<polyline "));
_AddAttribute(SG_T("points"), sPoints);
sWidth.Append(SG_Get_String(Width,2));
sWidth.Append(g_Unit);
_AddAttribute(SG_T("stroke-width"), sWidth);
_AddAttribute(SG_T("stroke"), _Get_SVGColor(Color));
_AddAttribute(SG_T("fill"), SG_T("none"));
m_sSVGCode.Append(SG_T("/>\n"));
}
void CSG_Doc_SVG::Draw_Polygon(CSG_Points &Points,
int Fill_Color,
int Line_Color,
double Line_Width)
{
if( Points.Get_Count() > 2 )
{
int i;
CSG_String sPoints;
CSG_String sWidth;
for (i = 0; i < Points.Get_Count(); i++)
{
sPoints.Append(SG_Get_String(Points.Get_X(i),2));
sPoints.Append(SG_T(","));
sPoints.Append(SG_Get_String(Points.Get_Y(i),2));
sPoints.Append(SG_T(" "));
}
m_sSVGCode.Append(SG_T("<polygon "));
_AddAttribute(SG_T("points"), sPoints);
sWidth.Append(SG_Get_String(Line_Width,2));
sWidth.Append(g_Unit);
_AddAttribute(SG_T("stroke-width"), sWidth);
_AddAttribute(SG_T("stroke"), _Get_SVGColor(Line_Color));
_AddAttribute(SG_T("fill"), _Get_SVGColor(Fill_Color));
m_sSVGCode.Append(SG_T("/>\n"));
}
}
//---------------------------------------------------------
double SG_Get_Polygon_Area(const CSG_Points &Points)
{
double Area = 0.0;
if( Points.Get_Count() >= 3 )
{
for(int i=0, j=Points.Get_Count()-1; i<Points.Get_Count(); j=i++)
{
Area += (Points.Get_X(j) * Points.Get_Y(i))
- (Points.Get_X(i) * Points.Get_Y(j));
}
Area /= 2.0;
}
return( Area );
}
