a60-svg-render-basics.h File Reference

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Namespaces
namespace	svg

Functions
svg_element	svg::display_color_qis (const auto &klrs, const area<> a, const typography &typobase)
	Make grid palette for display. NB.
point_2t	svg::get_circumference_point_d (const double ad, const double r, const point_2t origin)
	Angle in degrees.
point_2t	svg::get_circumference_point_r (const double angler, const double r, const point_2t origin)
	Angle in radians.
circle_element	svg::make_circle (const point_2t origin, style s, const space_type r=4, const string xform="")
	Make circle element.
string	svg::make_crossed_lines (const point_2t origin, const style s, const double radius, const double tiltd=0.0)
	Crossed lines, no fill. X marks the ....
line_element	svg::make_line (const point_2t origin, const point_2t end, style s, const string dasharray="")
	Line primitive.
path_element	svg::make_path (const string &pathda, const style &styl, const string name="", const bool selfclosingtagp=true)
	Draw path given serialized path data. Assumes pinstripe, ie top and bottom line layers. top style defaults: fill opac(0), stroke opac(1), stroke sz 1 bottom style defaults: fill opac(0), stroke opac(1), stroke sz 1.25.
string	svg::make_path_arc_circumference (const point_2t &start, const point_2t &end, const space_type r, const int arcflag=0, const int sweepflag=1)
	Make path segment between two points on a circumference of radius r. Points like: get_circumference_point_d(zero_angle_north_cw(0), r, origin)
string	svg::make_path_arc_closed (const point_2t &origin, const double startd, const double endd, const space_type r, const int arcflag=0, const int sweepflag=0)
	Same but with degree range arguments instead of points. NB: Assumes appropriate zero_angle_north_cw/ccw adjustments on startd/endd.
string	svg::make_path_arc_closed (const point_2t &origin, const point_2t &start, const point_2t &end, const space_type r, const int arcflag=0, const int sweepflag=0)
	Make closed path between two points and the center of a circle of radius r. Points like: get_circumference_point_d(zero_angle_north_cw(0), r, origin)
path_element	svg::make_path_center_mark (const point_2t &origin, const style styl, const int len, const int width)
	Plus or x tilt mark as closed path that can be filled.
string	svg::make_path_data_from_points (const vrange &lpoints)
	Make single path segment.
path_element	svg::make_path_octogon (const point_2t origin, const style styl, const double r=4, const uint pointsn=8)
	Center an octogon at this point. radius 4 is pixels to draw out from center point. pointsn is number of points to draw (8 for octogon)
path_element	svg::make_path_triangle (const point_2t origin, const style styl, const double r=4, const double angle=120, const bool selfclosingtagp=true)
	Center a triangle at this point.
polyline_element	svg::make_polyline (const vrange &points, const style s, const stroke_style sstyle={ })
	Polyline primitive.
rect_element	svg::make_rect (const point_2t origin, const style s, const area<> a, const string filterstr="")
	Create rect_element at origin.
rect_element	svg::make_rect_centered (const point_2t origin, const style s, const area<> a, const string filterstr="")
	Create rect_element centered at origin.
void	svg::place_ray_at_angle (svg_element &obj, const point_2t &origin, const point_2t &circump, const style &s, const string id="")
void	svg::point_2d_to_ray (svg_element &obj, double x, double y, style s, space_type r=4, const uint nrays=10)
	Lines radiating from center point (x,y).
void	svg::point_to_circle (svg_element &obj, const point_2t origin, style s, const space_type r=4, const string xform="")
	Draws a circle around a point (x,y), of style (s), of radius (r).
void	svg::point_to_crossed_lines (svg_element &obj, const point_2t origin, const style &styl, const int radius, const double tiltd=0.0)
	Point to center mark as crossed lines. Default is a plus sign at origin, but.
void	svg::point_to_octogon (svg_element &obj, const point_2t origin, const style s, const double r=4)
	Center an octogon at this point.
void	svg::point_to_rect (svg_element &obj, const point_2t origin, style s, double width=4, double height=4, const string filterstr="")
	Rectangle at this point.
void	svg::point_to_rect_centered (svg_element &obj, const point_2t origin, style s, double width=4, double height=4, const string filterstr="")
	Center a rectangle at this point.
void	svg::point_to_ring_halo (svg_element &obj, const point_2t origin, const space_type radius, const double blurspace, const svg::color klr, const svg::color fadeklr=color::none, const double opacity=1)
	Draws a ring centered at origin of radius r, with outer and inner radial gradient of blurspace in each direction. klr == fade from fadeklr == fade to. Background is transparent if none.
void	svg::point_to_triangle (svg_element &obj, const point_2t origin, const style s, const double r=4, const double angle=120)
	Center a triangle at this point.
void	svg::points_to_line (svg_element &obj, const style s, const point_2t origin, const point_2t end, const string dasharray="")
	Line between two points.
double	svg::scale_proportional_to_area (double radius, double weight)
double	svg::scale_proportional_to_weight (double radius, double weight)
void	svg::sized_text (svg_element &obj, svg::typography typo, const int sz, const string text, const int tx, const int ty)
	Text at size.
void	svg::sized_text_r (svg_element &obj, svg::typography typo, const int sz, const string text, const int tx, const int ty, const double deg)
	Text at size, with a transformation=rotation.
text_element	svg::style_text (const string text, const point_2t origin, const typography typo)
	Text elemetn at.
void	svg::styled_text (svg_element &obj, const string text, const point_2t origin, const typography typo)
	Text at.
void	svg::styled_text (svg_element &obj, const string text, const point_2t origin, const typography typo, const string xform)
	Text at.
void	svg::styled_text_link (svg_element &obj, const string text, const point_2t origin, const typography typo, const string uri)
	XXX Text at.
void	svg::styled_text_r (svg_element &obj, const string text, const point_2t origin, const typography typo, const double deg)
	Text at.
void	svg::styled_text_r (svg_element &obj, const string text, const point_2t origin, const typography typo, const double deg, const point_2t rorigin)
	Text at.
uint	svg::text_line_n (svg_element &obj, const point_2t origin, const string text, const svg::typography typo, const int sz, const uint maxlen)
	Text of maxlen length, overflow goes on line below.
uint	svg::text_line_n_r (svg_element &obj, const point_2t origin, const string text, const svg::typography typo, const uint sz, const uint maxlen, const uint lettingsz=0)
	Text of maxlen length rotated, overflow goes on line below.
double	svg::zero_angle_north_ccw (double angled)
	Zero degrees is top, going clockwise (cw).
double	svg::zero_angle_north_cw (double angled)
	Zero degrees is top, going clockwise (cw).