72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
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# ifndef SR_SA_EPS_EXPORT_H
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# define SR_SA_EPS_EXPORT_H
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/** \file sr_sa_eps_export.h
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* Encapsulated Postscript Export
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*/
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# include "sr_sa.h"
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/*! Export the scene graph to a .eps file.
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Note that not all nodes are supported, mainly only 2d shapes are supported*/
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class SrSaEpsExport : public SrSa
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{ public :
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typedef void (*export_function)(SrSnShapeBase*,SrOutput&,const SrSaEpsExport*);
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private :
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struct RegData { const char* class_name;
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export_function efunc;
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};
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static SrArray<RegData> _efuncs;
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SrOutput& _output;
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float _page_width;
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float _page_height;
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float _page_margin;
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float _bbox_margin;
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float _scale_factor;
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SrVec2 _translation;
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public :
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/*! Constructor */
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SrSaEpsExport ( SrOutput& o );
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/*! Virtual destructor. */
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virtual ~SrSaEpsExport ();
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float scale_factor () const { return _scale_factor; }
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/*! Set print page dimensions in cms. Default is w=21.59 and h=27.94 */
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void set_page ( float w, float h ) { _page_width=w; _page_height=h; }
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/*! Set the page margin in cms to use, default is 4cms */
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void set_page_margin ( float m ) { _page_margin=m; }
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/*! The eps bounding box might need to be increased to ensure that the
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style of drawn shapes will not generate drawings outside the bouding
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box limits. The default value is 0.1 cms. */
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void set_bbox_margin ( float m ) { _bbox_margin=m; }
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/*! Registration is kept in a static array, shared by all instances
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of SrSaEpsExport. Currently only SrLine export is available.
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Registration must be explicitly called for user-defined shapes.
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In case a name already registered is registered again, the new
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one replaces the old one. */
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friend void register_export_function ( const char* class_name, export_function efunc );
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/*! Makes the node to start applying the action. If the action is not
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applied to the entire scene, false is returned. */
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bool apply ( SrSn* n );
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private :
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virtual void mult_matrix ( const SrMat& mat );
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virtual void push_matrix ();
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virtual void pop_matrix ();
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virtual bool shape_apply ( SrSnShapeBase* s );
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};
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//================================ End of File =================================================
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# endif // SR_SA_EPS_EXPORT_H
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