//////////////////////////////////////////////////////////////////////////////
// Checks if a style is already cached and returns it if it is.
// Otherwise evaluates a style and if it is constant, caches it
// in a hashtable.
void PolygonAdapter::ObtainStyle(MdfModel::AreaSymbolization2D* asym, RS_FillStyle& fillStyle)
{
bool cacheable = ConvertFill(asym, fillStyle);
if (cacheable)
{
RS_FillStyle* rsfill = new RS_FillStyle();
*rsfill = fillStyle;
m_hAreaSymCache[asym] = rsfill;
}
}
bool GeometryAdapter::ConvertFill(MdfModel::AreaSymbolization2D* fill, RS_FillStyle& rsfill)
{
if (fill == NULL)
return false; // can also return true - this really is an error condition
MdfModel::Fill* mdffill = fill->GetFill();
bool const1 = ConvertFill(mdffill, rsfill);
bool const2 = ConvertStroke(fill->GetEdge(), rsfill.outline());
return const1 && const2;
}
bool GeometryAdapter::ConvertSymbol(MdfModel::Symbol* symbol, RS_MarkerDef& mdef)
{
SymbolVisitor::eSymbolType type = SymbolVisitor::DetermineSymbolType(symbol);
mdef.units() = (symbol->GetSizeContext() == MdfModel::MappingUnits)? RS_Units_Model : RS_Units_Device;
double val;
bool cacheable = true;
// width
cacheable = EvalDouble(symbol->GetSizeX(), val) && cacheable;
mdef.width() = MdfModel::LengthConverter::UnitToMeters(symbol->GetUnit(), val);
if (mdef.width() < 0.0)
{
// should not get negative width and height
_ASSERT(false);
mdef.width() = -mdef.width();
}
// height
cacheable = EvalDouble(symbol->GetSizeY(), val) && cacheable;
mdef.height() = MdfModel::LengthConverter::UnitToMeters(symbol->GetUnit(), val);
if (mdef.height() < 0.0)
{
// should not get negative width and height
_ASSERT(false);
mdef.height() = -mdef.height();
}
// rotation + insertion point
cacheable = EvalDouble(symbol->GetRotation(), mdef.rotation()) && cacheable;
cacheable = EvalDouble(symbol->GetInsertionPointX(), mdef.insx()) && cacheable;
cacheable = EvalDouble(symbol->GetInsertionPointY(), mdef.insy()) && cacheable;
mdef.rotation() = fmod(mdef.rotation(), 360.0);
if (type == SymbolVisitor::stMark)
{
MdfModel::MarkSymbol* marksym = (MdfModel::MarkSymbol*)symbol;
mdef.type() = RS_MarkerType_Marker;
// shape
MdfModel::MarkSymbol::Shape shape = marksym->GetShape();
switch (shape)
{
case MdfModel::MarkSymbol::Square: mdef.markernum() = SLDType_Square; break;
case MdfModel::MarkSymbol::Circle: mdef.markernum() = SLDType_Circle; break;
case MdfModel::MarkSymbol::Triangle: mdef.markernum() = SLDType_Triangle; break;
case MdfModel::MarkSymbol::Star: mdef.markernum() = SLDType_Star; break;
case MdfModel::MarkSymbol::Cross: mdef.markernum() = SLDType_Cross; break;
case MdfModel::MarkSymbol::X: mdef.markernum() = SLDType_X; break;
default: break;
}
// fill and edge colors
cacheable = ConvertFill(marksym->GetFill(), mdef.style()) && cacheable;
cacheable = ConvertStroke(marksym->GetEdge(), mdef.style().outline()) && cacheable;
}
else if (type == SymbolVisitor::stBlock)
{
MdfModel::BlockSymbol* blocksym = (MdfModel::BlockSymbol*)symbol;
mdef.type() = RS_MarkerType_Block;
mdef.library() = blocksym->GetDrawingName();
mdef.name() = blocksym->GetBlockName();
// block and layer override colors
cacheable = EvalColor(blocksym->GetBlockColor(), mdef.style().color()) && cacheable;
cacheable = EvalColor(blocksym->GetLayerColor(), mdef.style().outline().color()) && cacheable;
}
else if (type == SymbolVisitor::stW2D)
{
MdfModel::W2DSymbol* w2dsym = (MdfModel::W2DSymbol*)symbol;
mdef.type() = RS_MarkerType_W2D;
mdef.library() = w2dsym->GetSymbolLibrary();
mdef.name() = w2dsym->GetSymbolName();
// fill, line, and text override colors
cacheable = EvalColor(w2dsym->GetFillColor(), mdef.style().color()) && cacheable;
cacheable = EvalColor(w2dsym->GetLineColor(), mdef.style().outline().color()) && cacheable;
cacheable = EvalColor(w2dsym->GetTextColor(), mdef.style().background()) && cacheable;
}
else if (type == SymbolVisitor::stFont)
{
MdfModel::FontSymbol* fontSym = (MdfModel::FontSymbol*)symbol;
mdef.type() = RS_MarkerType_Font;
// store the font name as the library string
mdef.library() = fontSym->GetFontName();
// store the marker character as the symbol name
mdef.name() = (wchar_t)fontSym->GetCharacter();
// font style
RS_FontStyle_Mask style = RS_FontStyle_Regular;
bool setting = false;
cacheable = EvalBoolean(fontSym->GetBold(), setting) && cacheable;
if (setting)
style = (RS_FontStyle_Mask)(style | RS_FontStyle_Bold);
cacheable = EvalBoolean(fontSym->GetItalic(), setting) && cacheable;
if (setting)
style = (RS_FontStyle_Mask)(style | RS_FontStyle_Italic);
cacheable = EvalBoolean(fontSym->GetUnderlined(), setting) && cacheable;
if (setting)
style = (RS_FontStyle_Mask)(style | RS_FontStyle_Underline);
mdef.fontstyle() = style;
// foreground color
cacheable = EvalColor(fontSym->GetForegroundColor(), mdef.style().color()) && cacheable;
}
else if (type == SymbolVisitor::stImage)
{
// TODO: not currently supported
_ASSERT(false);
}
return cacheable;
}
