gvrender_core_fig.c File Reference

#include "config.h"
#include <assert.h>
#include <math.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <common/macros.h>
#include <common/const.h>
#include <gvc/gvplugin_render.h>
#include <gvc/gvplugin_device.h>
#include <gvc/gvio.h>
#include <cgraph/agxbuf.h>
#include <cgraph/prisize_t.h>
#include <cgraph/streq.h>
#include <cgraph/unreachable.h>
#include <common/utils.h>
#include <common/color.h>

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Macros
#define	BEZIERSUBDIVISION   6
#define	maxColors   512

Enumerations
enum	format_type { FORMAT_FIG }

Functions
static void	figptarray (GVJ_t *job, pointf *A, size_t n, int close)
static int	figColorResolve (bool *new, unsigned char r, unsigned char g, unsigned char b)
static void	fig_resolve_color (GVJ_t *job, gvcolor_t *color)
static void	fig_line_style (obj_state_t *obj, int *line_style, double *style_val)
static void	fig_comment (GVJ_t *job, char *str)
static void	fig_begin_graph (GVJ_t *job)
static void	fig_end_graph (GVJ_t *job)
static void	fig_begin_page (GVJ_t *job)
static void	fig_begin_node (GVJ_t *job)
static void	fig_end_node (GVJ_t *job)
static void	fig_begin_edge (GVJ_t *job)
static void	fig_end_edge (GVJ_t *job)
static void	fig_textspan (GVJ_t *job, pointf p, textspan_t *span)
static void	fig_ellipse (GVJ_t *job, pointf *A, int filled)
static void	fig_bezier (GVJ_t *job, pointf *A, size_t n, int filled)
static void	fig_polygon (GVJ_t *job, pointf *A, size_t n, int filled)
static void	fig_polyline (GVJ_t *job, pointf *A, size_t n)

Variables
static int	Depth
static char *	figcolor []
gvrender_engine_t	fig_engine
static char *	fig_knowncolors []
gvrender_features_t	render_features_fig
gvdevice_features_t	device_features_fig
gvplugin_installed_t	gvrender_fig_types []
gvplugin_installed_t	gvdevice_fig_types []

Macro Definition Documentation

BEZIERSUBDIVISION

#define BEZIERSUBDIVISION   6

Definition at line 32 of file gvrender_core_fig.c.

maxColors

#define maxColors   512

Enumeration Type Documentation

format_type

enum format_type

Enumerator
FORMAT_FIG

Definition at line 34 of file gvrender_core_fig.c.

Function Documentation

fig_begin_edge()

static void fig_begin_edge ( GVJ_t *  job )

static

Definition at line 193 of file gvrender_core_fig.c.

References Depth.

fig_begin_graph()

static void fig_begin_graph ( GVJ_t *  job )

static

Definition at line 147 of file gvrender_core_fig.c.

References agnameof(), GVJ_s::common, obj_state_s::g, gvprintf(), gvputs(), GVCOMMON_s::info, GVJ_s::obj, GVJ_s::pagesArraySize, obj_state_s::u, point::x, and point::y.

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fig_begin_node()

static void fig_begin_node ( GVJ_t *  job )

static

Definition at line 179 of file gvrender_core_fig.c.

References Depth.

fig_begin_page()

static void fig_begin_page ( GVJ_t *  job )

static

Definition at line 172 of file gvrender_core_fig.c.

References Depth.

fig_bezier()

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

static

Definition at line 296 of file gvrender_core_fig.c.

References A, agxbfree(), agxbprint(), agxbuse(), Bezier(), BEZIERSUBDIVISION, Depth, fig_line_style(), obj_state_s::fillcolor, gvprintf(), gvputs(), color_s::index, NULL, GVJ_s::obj, obj_state_s::pencolor, obj_state_s::penwidth, color_s::u, and V.

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fig_comment()

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

static

Definition at line 142 of file gvrender_core_fig.c.

References gvprintf(), and str.

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fig_ellipse()

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

static

Definition at line 260 of file gvrender_core_fig.c.

References A, Depth, fig_line_style(), obj_state_s::fillcolor, gvprintf(), color_s::index, GVJ_s::obj, obj_state_s::pencolor, obj_state_s::penwidth, and color_s::u.

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fig_end_edge()

static void fig_end_edge ( GVJ_t *  job )

static

Definition at line 200 of file gvrender_core_fig.c.

References Depth.

fig_end_graph()

static void fig_end_graph ( GVJ_t *  job )

static

Definition at line 167 of file gvrender_core_fig.c.

References gvputs().

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fig_end_node()

static void fig_end_node ( GVJ_t *  job )

static

Definition at line 186 of file gvrender_core_fig.c.

References Depth.

fig_line_style()

static void fig_line_style ( obj_state_t *  obj, int *  line_style, double *  style_val  )

static

Definition at line 123 of file gvrender_core_fig.c.

References obj_state_s::pen, PEN_DASHED, PEN_DOTTED, and PEN_SOLID.

Referenced by fig_bezier(), fig_ellipse(), fig_polygon(), and fig_polyline().

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fig_polygon()

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

static

Definition at line 371 of file gvrender_core_fig.c.

References A, Depth, fig_line_style(), figptarray(), obj_state_s::fillcolor, gvprintf(), color_s::index, GVJ_s::obj, obj_state_s::pencolor, obj_state_s::penwidth, PRISIZE_T, and color_s::u.

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fig_polyline()

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

static

Definition at line 401 of file gvrender_core_fig.c.

References A, Depth, fig_line_style(), figptarray(), gvprintf(), color_s::index, GVJ_s::obj, obj_state_s::pencolor, obj_state_s::penwidth, PRISIZE_T, and color_s::u.

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fig_resolve_color()

static void fig_resolve_color ( GVJ_t *  job, gvcolor_t *  color  )

static

Definition at line 87 of file gvrender_core_fig.c.

References color(), COLOR_INDEX, COLOR_STRING, figcolor, figColorResolve(), gvprintf(), RGBA_BYTE, streq(), and UNREACHABLE.

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fig_textspan()

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

static

Definition at line 207 of file gvrender_core_fig.c.

References color(), Depth, font, textspan_t::font, gvprintf(), gvputs(), gvputs_nonascii(), color_s::index, textspan_t::just, M_PI, GVJ_s::obj, obj_state_s::pencolor, textfont_t::postscript_alias, GVJ_s::rotation, textfont_t::size, textspan_t::str, color_s::u, pointf_s::x, _PostscriptAlias::xfig_code, pointf_s::y, and GVJ_s::zoom.

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figColorResolve()

static int figColorResolve ( bool *  new, unsigned char  r, unsigned char  g, unsigned char  b  )

static

Definition at line 48 of file gvrender_core_fig.c.

References dist(), maxColors, and top().

Referenced by fig_resolve_color().

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figptarray()

static void figptarray ( GVJ_t *  job, pointf *  A, size_t  n, int  close  )

static

Definition at line 38 of file gvrender_core_fig.c.

References A, gvprintf(), and gvputs().

Referenced by fig_polygon(), and fig_polyline().

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Variable Documentation

Depth

int Depth

static

Definition at line 36 of file gvrender_core_fig.c.

Referenced by fig_begin_edge(), fig_begin_node(), fig_begin_page(), fig_bezier(), fig_ellipse(), fig_end_edge(), fig_end_node(), fig_polygon(), fig_polyline(), and fig_textspan().

device_features_fig

gvdevice_features_t device_features_fig

Initial value:

= {
    EMIT_COLORS
        | GVRENDER_Y_GOES_DOWN, 
    {0.,0.},                    
    {0.,0.},                    
    {1440.,1440.},              
         
 
         
}

Definition at line 480 of file gvrender_core_fig.c.

fig_engine

gvrender_engine_t fig_engine

Definition at line 431 of file gvrender_core_fig.c.

fig_knowncolors

char* fig_knowncolors[]

static

Initial value:

= {
    "black", "blue", "cyan", "green", "magenta", "red", "white", "yellow",
}

Definition at line 466 of file gvrender_core_fig.c.

figcolor

char* figcolor[]

static

Initial value:

= {"black",   "blue",   "green", "cyan", "red",
                           "magenta", "yellow", "white", NULL}

Definition at line 84 of file gvrender_core_fig.c.

Referenced by fig_resolve_color().

gvdevice_fig_types

gvplugin_installed_t gvdevice_fig_types[]

Initial value:

= {
    {FORMAT_FIG, "fig:fig", 1, NULL, &device_features_fig},
    {0, NULL, 0, NULL, NULL}
}

Definition at line 502 of file gvrender_core_fig.c.

gvrender_fig_types

gvplugin_installed_t gvrender_fig_types[]

Initial value:

= {
    {FORMAT_FIG, "fig", 1, &fig_engine, &render_features_fig},
    {0, NULL, 0, NULL, NULL}
}

Definition at line 497 of file gvrender_core_fig.c.

render_features_fig

gvrender_features_t render_features_fig

Initial value:

= {
    EMIT_COLORS
        | GVRENDER_Y_GOES_DOWN, 
    4.,                         
    fig_knowncolors,            
    sizeof(fig_knowncolors) / sizeof(char *), 
    RGBA_BYTE,                  
}

Definition at line 471 of file gvrender_core_fig.c.