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64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
#include "DXF.h"
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// gets DXF object
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DXF &DXFEntity::GetDXF(void)
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{
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return entities->GetDXF();
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}
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DXF const &DXFEntity::GetDXF(void) const
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{
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return entities->GetDXF();
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}
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// write to stream
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// must be redefined by derived classes
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// calling the inherited one
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bool DXFEntity::Write(Stream &s)
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{
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s << "0\n" << kind << "\n";
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s << "8\n" << layer << "\n";
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s << "100\nAcDbEntity\n";
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if(color != DXF::ByLayer)
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s << "62\n" << color << "\n";
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if(lineType != "BYLAYER")
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s << "6\n" << lineType << "\n";
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s << "5\n" << Format64Hex(handle) << "\n";
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return true;
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}
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// may be constructed only by derived classes
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DXFEntity::DXFEntity(DXFEntities *e, String const &k)
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{
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entities = e;
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kind = k;
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color = e->GetCurrentColor();
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lineType = e->GetCurrentLineType();
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layer = e->GetCurrentLayer();
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handle = GetNextHandle();
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}
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// gets next available handle
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uint64 DXFEntity::GetNextHandle(void)
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{
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return entities->GetNextHandle();
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}
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// apply transformation to point
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Pointf DXFEntity::T(Pointf const &p) const
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{
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return entities->GetTransformationMatrix()(p);
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}
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// scale a distance by transtormation matrix
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double DXFEntity::S(double d) const
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{
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return entities->GetTransformationMatrix().S(d);
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}
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// rotate an angle by transformation matrix
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double DXFEntity::R(double a) const
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{
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return entities->GetTransformationMatrix().R(a);
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}
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