#ifndef cwSvg_h #define cwSvg_h namespace cw { namespace svg { typedef handle<struct svg_str> handle_t; enum { kStandardColorMapId, kGrayScaleColorMapId, kInvGrayScaleColorMapId, kHeatColorMapId, kBaseUserColorMapId }; rc_t create( handle_t& h ); rc_t destroy( handle_t& h ); rc_t install_color_map( handle_t h, const unsigned* colorV, unsigned colorN, unsigned colorId=kBaseUserColorMapId ); void offset( handle_t h, double dx, double dy ); unsigned color( handle_t h, unsigned colorMapId, double colorMin, double colorMax, double colorValue ); unsigned color( handle_t h, unsigned colorMapId, unsigned colorIdx ); rc_t _set_attr( handle_t h, const char* selectorStr, const char* attrLabel, const char* value, const char* suffix ); rc_t _set_attr( handle_t h, const char* selectorStr, const char* attrLabel, const unsigned& value, const char* suffix ); rc_t _set_attr( handle_t h, const char* selectorStr, const char* attrLabel, const int& value, const char* suffix ); rc_t _set_attr( handle_t h, const char* selectorStr, const char* attrLabel, const double& value, const char* suffix ); inline rc_t _parse_attr( handle_t h, const char* selectorStr ){ return kOkRC; } template<typename T, typename ...ARGS> rc_t _parse_attr( handle_t h, const char* selectorStr, const char* attrLabel, const T& val, const char* suffix, ARGS&&... args ) { rc_t rc; if((rc = _set_attr(h, selectorStr, attrLabel, val, suffix)) == kOkRC ) rc =_parse_attr( h, selectorStr, std::forward<ARGS>(args)...); return rc; } // Install a CSS selector record. // Style attributes are encoded as triples "<label>" <value> "<suffix>". // Color values are encoded with the <suffix> = "rgb" template< typename ...ARGS> rc_t install_css( handle_t h, const char* selectorStr, ARGS&&... args ) { return _parse_attr( h, selectorStr, std::forward<ARGS>(args)...); } rc_t _rect( handle_t h, double x, double y, double ww, double hh ); // Draw a rectangle. The variable arg. list must be <argId>,<value> pairs. // All attributes assigned here will be encoded inside the SVG element tag. // Attributes are encoded as triples "<label>" <value> "<suffix>". // Color values are encoded with the <suffix> = "rgb" template<typename ...ARGS> rc_t rect( handle_t h, double x, double y, double ww, double hh, ARGS&&... args ) { _rect( h, x, y, ww, hh ); return _parse_attr( h, nullptr, std::forward<ARGS>(args)...); } rc_t _line( handle_t h, double x0, double y0, double x1, double y1 ); // Draw a line. The variable arg. list must be <argId>,<value> pairs. template<typename ...ARGS> rc_t line( handle_t h, double x0, double y0, double x1, double y1, ARGS&&... args ) { _line( h, x0, y0, x1, y1 ); return _parse_attr( h, nullptr, std::forward<ARGS>(args)...); } rc_t _pline( handle_t h, const double* yV, unsigned n, const double* xV ); // Draw a poly-line. The variable arg. list must be <argId>,<value> pairs. Set xV to nullptr to use index as x. template<typename ...ARGS> rc_t pline( handle_t h, const double* yV, unsigned n, const double* xV, ARGS&&... args ) { _pline( h, yV, n, xV ); return _parse_attr( h, nullptr, std::forward<ARGS>(args)...); } rc_t _text( handle_t h, double x, double y, const char* text ); // Draw text. The variable arg. list must be <argId>,<value> pairs. template<typename ...ARGS> rc_t text( handle_t h, double x, double y, const char* text, ARGS&&... args ) { _text( h, x, y, text ); return _parse_attr( h, nullptr, std::forward<ARGS>(args)...); } rc_t image( handle_t h, const float* xM, unsigned rowN, unsigned colN, unsigned pixSize, unsigned cmapId ); // Write the SVG file. enum { kStandAloneFl=0x01, kPanZoomFl=0x02, kGenCssFileFl=0x04 }; rc_t write( handle_t h, const char* outFn, const char* cssFn, unsigned flags, double bordL=5, double bordT=5, double bordR=5, double bordB=5 ); rc_t test( const char* outFn, const char* cssFn ); } } #endif