79 lines
1.6 KiB
C
79 lines
1.6 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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// Name: dxfrenderer.h
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// Purpose: DXF reader and renderer
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// Author: Sandro Sigala
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// Modified by:
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// Created: 2005-11-10
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// Copyright: (c) Sandro Sigala
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _DXFRENDERER_H_
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#define _DXFRENDERER_H_
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struct DXFVector
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{
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DXFVector() { x = y = z = 0.0f; }
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DXFVector(float _x, float _y, float _z) { x = _x; y = _y; z = _z; }
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float x, y, z;
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};
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struct DXFEntity
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{
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enum Type { Line, Face } type;
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int colour;
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};
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struct DXFLine: public DXFEntity
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{
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DXFLine() { type = Line; }
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DXFVector v0;
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DXFVector v1;
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};
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struct DXFFace: public DXFEntity
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{
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DXFFace() { type = Face; }
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void CalculateNormal();
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DXFVector v0;
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DXFVector v1;
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DXFVector v2;
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DXFVector v3;
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DXFVector n; // normal
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};
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struct DXFLayer
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{
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DXFLayer() { colour = -1; }
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wxString name;
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int colour;
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};
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WX_DECLARE_LIST(DXFEntity, DXFEntityList);
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WX_DECLARE_LIST(DXFLayer, DXFLayerList);
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class DXFRenderer
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{
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public:
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DXFRenderer();
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~DXFRenderer();
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void Clear();
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bool Load(wxInputStream& stream);
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bool IsOk() const { return m_loaded; }
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void Render() const;
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private:
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bool ParseHeader(wxInputStream& stream);
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bool ParseTables(wxInputStream& stream);
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bool ParseEntities(wxInputStream& stream);
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int GetLayerColour(const wxString& layer) const;
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void NormalizeEntities();
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bool m_loaded;
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DXFLayerList m_layers;
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DXFEntityList m_entities;
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};
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#endif // !_DXFRENDERER_H_
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