gvrender_core_svg.c File Reference

#include "config.h"
#include <math.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <common/macros.h>
#include <common/const.h>
#include <gvc/gvplugin_render.h>
#include <cgraph/agxbuf.h>
#include <cgraph/unreachable.h>
#include <common/utils.h>
#include <gvc/gvplugin_device.h>
#include <gvc/gvio.h>
#include <gvc/gvcint.h>
#include <cgraph/strcasecmp.h>

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Macros
#define	LOCALNAMEPREFIX   '%'
#define	EDGEALIGN   0

Enumerations
enum	format_type { FORMAT_SVG , FORMAT_SVGZ , FORMAT_SVG_INLINE }

Functions
static bool	emit_standalone_headers (const GVJ_t *job)
static void	svg_bzptarray (GVJ_t *job, pointf *A, size_t n)
static void	svg_print_id_class (GVJ_t *job, char *id, char *idx, char *kind, void *obj)
static void	svg_print_paint (GVJ_t *job, gvcolor_t color)
static void	svg_print_gradient_color (GVJ_t *job, gvcolor_t color)
static void	svg_grstyle (GVJ_t *job, int filled, int gid)
static void	svg_comment (GVJ_t *job, char *str)
static void	svg_begin_job (GVJ_t *job)
static void	svg_begin_graph (GVJ_t *job)
static void	svg_end_graph (GVJ_t *job)
static void	svg_begin_layer (GVJ_t *job, char *layername, int layerNum, int numLayers)
static void	svg_end_layer (GVJ_t *job)
static void	svg_begin_page (GVJ_t *job)
static void	svg_end_page (GVJ_t *job)
static void	svg_begin_cluster (GVJ_t *job)
static void	svg_end_cluster (GVJ_t *job)
static void	svg_begin_node (GVJ_t *job)
static void	svg_end_node (GVJ_t *job)
static void	svg_begin_edge (GVJ_t *job)
static void	svg_end_edge (GVJ_t *job)
static void	svg_begin_anchor (GVJ_t *job, char *href, char *tooltip, char *target, char *id)
static void	svg_end_anchor (GVJ_t *job)
static void	svg_textspan (GVJ_t *job, pointf p, textspan_t *span)
static void	svg_print_stop (GVJ_t *job, double offset, gvcolor_t color)
static int	svg_gradstyle (GVJ_t *job, pointf *A, size_t n)
static int	svg_rgradstyle (GVJ_t *job)
static void	svg_ellipse (GVJ_t *job, pointf *A, int filled)
static void	svg_bezier (GVJ_t *job, pointf *A, size_t n, int filled)
static void	svg_polygon (GVJ_t *job, pointf *A, size_t n, int filled)
static void	svg_polyline (GVJ_t *job, pointf *A, size_t n)

Variables
static const char	sdasharray [] = "5,2"
static const char	sdotarray [] = "1,5"
static const char	transparent [] = "transparent"
static const char	none [] = "none"
static const char	black [] = "black"
static char *	svg_knowncolors []
gvrender_engine_t	svg_engine
gvrender_features_t	render_features_svg
gvdevice_features_t	device_features_svg
gvdevice_features_t	device_features_svgz
gvplugin_installed_t	gvrender_svg_types []
gvplugin_installed_t	gvdevice_svg_types []

Macro Definition Documentation

EDGEALIGN

#define EDGEALIGN   0

Definition at line 45 of file gvrender_core_svg.c.

LOCALNAMEPREFIX

#define LOCALNAMEPREFIX   '%'

Definition at line 42 of file gvrender_core_svg.c.

Enumeration Type Documentation

format_type

enum format_type

Enumerator
FORMAT_SVG
FORMAT_SVGZ
FORMAT_SVG_INLINE

Definition at line 48 of file gvrender_core_svg.c.

Function Documentation

emit_standalone_headers()

static bool emit_standalone_headers ( const GVJ_t *  job )

static

Definition at line 59 of file gvrender_core_svg.c.

References FORMAT_SVG_INLINE, gvplugin_active_render_s::id, and GVJ_s::render.

Referenced by svg_begin_graph(), and svg_begin_job().

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svg_begin_anchor()

static void svg_begin_anchor ( GVJ_t *  job, char *  href, char *  tooltip, char *  target, char *  id  )

static

Definition at line 389 of file gvrender_core_svg.c.

References flags, gvputc(), gvputs(), gvputs_xml(), xml_flags_t::raw, and xml_escape().

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svg_begin_cluster()

static void svg_begin_cluster ( GVJ_t *  job )

static

Definition at line 331 of file gvrender_core_svg.c.

References agnameof(), obj_state_s::g, gvputs(), gvputs_xml(), obj_state_s::id, NULL, GVJ_s::obj, obj_state_s::sg, svg_print_id_class(), and obj_state_s::u.

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svg_begin_edge()

static void svg_begin_edge ( GVJ_t *  job )

static

Definition at line 368 of file gvrender_core_svg.c.

References obj_state_s::e, free(), gvputs(), gvputs_xml(), obj_state_s::id, NULL, GVJ_s::obj, strdup_and_subst_obj(), svg_print_id_class(), and obj_state_s::u.

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svg_begin_graph()

static void svg_begin_graph ( GVJ_t *  job )

static

Definition at line 244 of file gvrender_core_svg.c.

References agnameof(), GVJ_s::canvasBox, emit_standalone_headers(), obj_state_s::g, gvprintf(), gvputs(), gvputs_xml(), GVJ_s::height, boxf::LL, LOCALNAMEPREFIX, GVJ_s::obj, GVJ_s::pagesArraySize, obj_state_s::u, boxf::UR, GVJ_s::width, point::x, pointf_s::x, point::y, and pointf_s::y.

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svg_begin_job()

static void svg_begin_job ( GVJ_t *  job )

static

Definition at line 220 of file gvrender_core_svg.c.

References agget(), GVJ_s::common, emit_standalone_headers(), GVC_s::g, GVJ_s::gvc, gvputs(), gvputs_xml(), and GVCOMMON_s::info.

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svg_begin_layer()

static void svg_begin_layer ( GVJ_t *  job, char *  layername, int  layerNum, int  numLayers  )

static

Definition at line 282 of file gvrender_core_svg.c.

References obj_state_s::g, gvputs(), NULL, GVJ_s::obj, svg_print_id_class(), and obj_state_s::u.

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svg_begin_node()

static void svg_begin_node ( GVJ_t *  job )

static

Definition at line 347 of file gvrender_core_svg.c.

References agnameof(), GVJ_s::gvc, gvputs(), gvputs_xml(), obj_state_s::id, GVC_s::layerIDs, GVJ_s::layerNum, obj_state_s::n, NULL, GVJ_s::obj, svg_print_id_class(), and obj_state_s::u.

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svg_begin_page()

static void svg_begin_page ( GVJ_t *  job )

static

Definition at line 303 of file gvrender_core_svg.c.

References agnameof(), obj_state_s::g, gvprintdouble(), gvprintf(), gvputc(), gvputs(), gvputs_xml(), obj_state_s::id, LOCALNAMEPREFIX, NULL, GVJ_s::obj, GVJ_s::rotation, GVJ_s::scale, svg_print_id_class(), GVJ_s::translation, obj_state_s::u, pointf_s::x, and pointf_s::y.

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svg_bezier()

static void svg_bezier ( GVJ_t *  job, pointf *  A, size_t  n, int  filled  )

static

Definition at line 658 of file gvrender_core_svg.c.

References A, GRADIENT, gvputs(), gvputs_xml(), obj_state_s::id, obj_state_s::labeledgealigned, GVJ_s::obj, RGRADIENT, svg_bzptarray(), svg_gradstyle(), svg_grstyle(), and svg_rgradstyle().

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svg_bzptarray()

static void svg_bzptarray ( GVJ_t *  job, pointf *  A, size_t  n  )

static

Definition at line 63 of file gvrender_core_svg.c.

References A, gvprintdouble(), gvputc(), gvwrite(), and SIZE_MAX.

Referenced by svg_bezier().

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svg_comment()

static void svg_comment ( GVJ_t *  job, char *  str  )

static

Definition at line 213 of file gvrender_core_svg.c.

References gvputs(), gvputs_xml(), and str.

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svg_ellipse()

static void svg_ellipse ( GVJ_t *  job, pointf *  A, int  filled  )

static

Definition at line 635 of file gvrender_core_svg.c.

References A, GRADIENT, gvprintdouble(), gvputs(), RGRADIENT, svg_gradstyle(), svg_grstyle(), and svg_rgradstyle().

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svg_end_anchor()

static void svg_end_anchor ( GVJ_t *  job )

static

Definition at line 421 of file gvrender_core_svg.c.

References gvputs().

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svg_end_cluster()

static void svg_end_cluster ( GVJ_t *  job )

static

Definition at line 342 of file gvrender_core_svg.c.

References gvputs().

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svg_end_edge()

static void svg_end_edge ( GVJ_t *  job )

static

Definition at line 383 of file gvrender_core_svg.c.

References gvputs().

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svg_end_graph()

static void svg_end_graph ( GVJ_t *  job )

static

Definition at line 277 of file gvrender_core_svg.c.

References gvputs().

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svg_end_layer()

static void svg_end_layer ( GVJ_t *  job )

static

Definition at line 294 of file gvrender_core_svg.c.

References gvputs().

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svg_end_node()

static void svg_end_node ( GVJ_t *  job )

static

Definition at line 363 of file gvrender_core_svg.c.

References gvputs().

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svg_end_page()

static void svg_end_page ( GVJ_t *  job )

static

Definition at line 326 of file gvrender_core_svg.c.

References gvputs().

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svg_gradstyle()

static int svg_gradstyle ( GVJ_t *  job, pointf *  A, size_t  n  )

static

Definition at line 568 of file gvrender_core_svg.c.

References A, obj_state_s::fillcolor, G, get_gradient_points(), obj_state_s::gradient_angle, obj_state_s::gradient_frac, gvprintdouble(), gvprintf(), gvputc(), gvputs(), gvputs_xml(), id, obj_state_s::id, M_PI, NULL, GVJ_s::obj, obj_state_s::stopcolor, and svg_print_stop().

Referenced by svg_bezier(), svg_ellipse(), and svg_polygon().

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svg_grstyle()

static void svg_grstyle ( GVJ_t *  job, int  filled, int  gid  )

static

Definition at line 163 of file gvrender_core_svg.c.

References obj_state_s::fillcolor, GRADIENT, gvprintdouble(), gvprintf(), gvputc(), gvputs(), gvputs_xml(), obj_state_s::id, NULL, GVJ_s::obj, obj_state_s::pen, PEN_DASHED, PEN_DOTTED, obj_state_s::pencolor, obj_state_s::penwidth, PENWIDTH_NORMAL, color_s::rgba, RGBA_BYTE, RGRADIENT, sdasharray, sdotarray, svg_print_paint(), color_s::type, and color_s::u.

Referenced by svg_bezier(), svg_ellipse(), svg_polygon(), and svg_polyline().

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svg_polygon()

static void svg_polygon ( GVJ_t *  job, pointf *  A, size_t  n, int  filled  )

static

Definition at line 679 of file gvrender_core_svg.c.

References A, GRADIENT, gvprintdouble(), gvputc(), gvputs(), RGRADIENT, svg_gradstyle(), svg_grstyle(), and svg_rgradstyle().

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svg_polyline()

static void svg_polyline ( GVJ_t *  job, pointf *  A, size_t  n  )

static

Definition at line 702 of file gvrender_core_svg.c.

References A, gvprintdouble(), gvputc(), gvputs(), and svg_grstyle().

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svg_print_gradient_color()

static void svg_print_gradient_color ( GVJ_t *  job, gvcolor_t  color  )

static

Definition at line 145 of file gvrender_core_svg.c.

References black, color(), COLOR_STRING, gvprintf(), gvputs(), RGBA_BYTE, transparent, and UNREACHABLE.

Referenced by svg_print_stop().

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svg_print_id_class()

static void svg_print_id_class ( GVJ_t *  job, char *  id, char *  idx, char *  kind, void *  obj  )

static

Definition at line 96 of file gvrender_core_svg.c.

References agget(), gvprintf(), gvputc(), gvputs(), gvputs_xml(), kind, and str.

Referenced by svg_begin_cluster(), svg_begin_edge(), svg_begin_layer(), svg_begin_node(), and svg_begin_page().

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svg_print_paint()

static void svg_print_paint ( GVJ_t *  job, gvcolor_t  color  )

static

Definition at line 117 of file gvrender_core_svg.c.

References color(), COLOR_STRING, gvprintf(), gvputs(), none, RGBA_BYTE, transparent, and UNREACHABLE.

Referenced by svg_grstyle().

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svg_print_stop()

static void svg_print_stop ( GVJ_t *  job, double  offset, gvcolor_t  color  )

static

Definition at line 546 of file gvrender_core_svg.c.

References color(), COLOR_STRING, gvprintf(), gvputs(), offset, RGBA_BYTE, svg_print_gradient_color(), and transparent.

Referenced by svg_gradstyle(), and svg_rgradstyle().

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svg_rgradstyle()

static int svg_rgradstyle ( GVJ_t *  job )

static

Definition at line 604 of file gvrender_core_svg.c.

References obj_state_s::fillcolor, obj_state_s::gradient_angle, gvprintf(), gvputc(), gvputs(), gvputs_xml(), id, obj_state_s::id, M_PI, NULL, GVJ_s::obj, obj_state_s::stopcolor, and svg_print_stop().

Referenced by svg_bezier(), svg_ellipse(), and svg_polygon().

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svg_textspan()

static void svg_textspan ( GVJ_t *  job, pointf  p, textspan_t *  span  )

static

Definition at line 427 of file gvrender_core_svg.c.

References COLOR_STRING, _PostscriptAlias::family, flags, textfont_t::flags, textspan_t::font, GVC_s::g, GD_fontnames, GVJ_s::gvc, gvprintdouble(), gvprintf(), gvputc(), gvputs(), gvputs_xml(), HTML_BF, HTML_IF, HTML_OL, HTML_S, HTML_SUB, HTML_SUP, HTML_UL, obj_state_s::id, textspan_t::just, obj_state_s::labeledgealigned, _PostscriptAlias::name, textfont_t::name, NATIVEFONTS, NULL, GVJ_s::obj, obj_state_s::pencolor, textfont_t::postscript_alias, PSFONTS, xml_flags_t::raw, color_s::rgba, RGBA_BYTE, textfont_t::size, textspan_t::str, _PostscriptAlias::stretch, color_s::string, _PostscriptAlias::style, _PostscriptAlias::svg_font_family, _PostscriptAlias::svg_font_style, _PostscriptAlias::svg_font_weight, SVGFONTS, color_s::type, color_s::u, UNREACHABLE, _PostscriptAlias::weight, pointf_s::x, xml_escape(), pointf_s::y, and textspan_t::yoffset_centerline.

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Variable Documentation

black

const char black[] = "black"

static

Definition at line 57 of file gvrender_core_svg.c.

Referenced by gdgen_end_page(), node_distinct_coloring_internal2(), and svg_print_gradient_color().

device_features_svg

gvdevice_features_t device_features_svg

Initial value:

= {
    GVDEVICE_DOES_TRUECOLOR|GVDEVICE_DOES_LAYERS,  
    {0., 0.},                   
    {0., 0.},                   
    {72., 72.},                 
}

Definition at line 803 of file gvrender_core_svg.c.

device_features_svgz

gvdevice_features_t device_features_svgz

Initial value:

= {
    GVDEVICE_DOES_TRUECOLOR|GVDEVICE_DOES_LAYERS|GVDEVICE_BINARY_FORMAT|GVDEVICE_COMPRESSED_FORMAT, 
    {0., 0.},                   
    {0., 0.},                   
    {72., 72.},                 
}

Definition at line 810 of file gvrender_core_svg.c.

gvdevice_svg_types

gvplugin_installed_t gvdevice_svg_types[]

Initial value:

= {
    {FORMAT_SVG, "svg:svg", 1, NULL, &device_features_svg},
 
 
 
    {FORMAT_SVG_INLINE, "svg_inline:svg", 1, NULL, &device_features_svg},
    {0, NULL, 0, NULL, NULL}
}

Definition at line 823 of file gvrender_core_svg.c.

gvrender_svg_types

gvplugin_installed_t gvrender_svg_types[]

Initial value:

= {
    {FORMAT_SVG, "svg", 1, &svg_engine, &render_features_svg},
    {FORMAT_SVG_INLINE, "svg_inline", 1, &svg_engine, &render_features_svg},
    {0, NULL, 0, NULL, NULL}
}

Definition at line 817 of file gvrender_core_svg.c.

none

const char none[] = "none"

static

Definition at line 56 of file gvrender_core_svg.c.

Referenced by svg_print_paint(), and SWIG_Py_Void().

render_features_svg

gvrender_features_t render_features_svg

Initial value:

= {
    GVRENDER_Y_GOES_DOWN | GVRENDER_DOES_TRANSFORM | GVRENDER_DOES_LABELS | GVRENDER_DOES_MAPS | GVRENDER_DOES_TARGETS | GVRENDER_DOES_TOOLTIPS,        
    4.,                         
    svg_knowncolors,            
    sizeof(svg_knowncolors) / sizeof(char *),   
    RGBA_BYTE,                  
}

Definition at line 795 of file gvrender_core_svg.c.

sdasharray

const char sdasharray[] = "5,2"

static

Definition at line 51 of file gvrender_core_svg.c.

Referenced by svg_grstyle().

sdotarray

const char sdotarray[] = "1,5"

static

Definition at line 53 of file gvrender_core_svg.c.

Referenced by svg_grstyle().

svg_engine

gvrender_engine_t svg_engine

Definition at line 762 of file gvrender_core_svg.c.

svg_knowncolors

char* svg_knowncolors[]

static

Definition at line 719 of file gvrender_core_svg.c.

transparent

const char transparent[] = "transparent"

static

Definition at line 55 of file gvrender_core_svg.c.

Referenced by svg_print_gradient_color(), svg_print_paint(), and svg_print_stop().