gvrender_gd.c File Reference

#include "config.h"
#include "gdioctx_wrapper.h"
#include "gdgen_text.h"
#include "gd_psfontResolve.h"
#include <assert.h>
#include <limits.h>
#include <math.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <fcntl.h>
#include <gvc/gvplugin_render.h>
#include <gvc/gvplugin_device.h>
#include <gvc/gvcint.h>
#include <gd.h>
#include <gdfontt.h>
#include <gdfonts.h>
#include <gdfontmb.h>
#include <gdfontl.h>
#include <gdfontg.h>
#include <util/alloc.h>
#include <util/unreachable.h>

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Macros
#define	BEZIERSUBDIVISION   10
#define	GD_XYMAX   INT32_MAX
#define	FONTSIZE_MUCH_TOO_SMALL   0.15
#define	FONTSIZE_TOO_SMALL   1.5

Enumerations
enum	format_type {   FORMAT_GIF , FORMAT_JPEG , FORMAT_PNG , FORMAT_WBMP ,   FORMAT_GD , FORMAT_GD2 , FORMAT_XBM }

Functions
bool	mapbool (const char *)
pointf	Bezier (pointf *V, double t, pointf *Left, pointf *Right)
static void	gdgen_resolve_color (GVJ_t *job, gvcolor_t *color)
static void	gdgen_begin_page (GVJ_t *job)
static void	gdgen_end_page (GVJ_t *job)
void	gdgen_text (gdImagePtr im, pointf spf, pointf epf, int fontcolor, double fontsize, int fontdpi, double fontangle, char *fontname, char *str)
static void	gdgen_textspan (GVJ_t *job, pointf p, textspan_t *span)
static int	gdgen_set_penstyle (GVJ_t *job, gdImagePtr im, gdImagePtr *brush)
static void	gdgen_bezier (GVJ_t *job, pointf *A, size_t n, int filled)
static void	gdgen_polygon (GVJ_t *job, pointf *A, size_t n, int filled)
static void	gdgen_ellipse (GVJ_t *job, pointf *A, int filled)
static void	gdgen_polyline (GVJ_t *job, pointf *A, size_t n)

Variables
static int	transparent
static int	basecolor
static gdPoint *	points
static size_t	points_allocated
static gvrender_engine_t	gdgen_engine
static gvrender_features_t	render_features_gd
static gvdevice_features_t	device_features_gd_tc_no_writer
gvplugin_installed_t	gvrender_gd_types []
gvplugin_installed_t	gvdevice_gd_types2 []

Macro Definition Documentation

BEZIERSUBDIVISION

#define BEZIERSUBDIVISION   10

Definition at line 48 of file gvrender_gd.c.

FONTSIZE_MUCH_TOO_SMALL

#define FONTSIZE_MUCH_TOO_SMALL   0.15

Definition at line 242 of file gvrender_gd.c.

FONTSIZE_TOO_SMALL

#define FONTSIZE_TOO_SMALL   1.5

Definition at line 244 of file gvrender_gd.c.

GD_XYMAX

#define GD_XYMAX   INT32_MAX

Definition at line 74 of file gvrender_gd.c.

Enumeration Type Documentation

format_type

enum format_type

Enumerator
FORMAT_GIF
FORMAT_JPEG
FORMAT_PNG
FORMAT_WBMP
FORMAT_GD
FORMAT_GD2
FORMAT_XBM

Definition at line 35 of file gvrender_gd.c.

Function Documentation

Bezier()

pointf Bezier ( pointf *  V, double  t, pointf *  Left, pointf *  Right  )

extern

Definition at line 168 of file utils.c.

References NULL, V, W_DEGREE, pointf_s::x, and pointf_s::y.

Referenced by approx_bezier(), arrow_type_curve(), bezier_clip(), dotneato_closest(), fig_bezier(), findHorizontal(), findVertical(), gdgen_bezier(), pathtolines(), pic_bezier(), place_portlabel(), splineIntersectf(), splitBSpline(), and update_bb_bz().

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gdgen_begin_page()

static void gdgen_begin_page ( GVJ_t *  job )

static

Definition at line 76 of file gvrender_gd.c.

References agget(), GVCOMMON_s::cmdname, GVJ_s::common, GVJ_s::context, GVCOMMON_s::errorfn, GVJ_s::external_context, gvplugin_active_render_s::features, gvrender_features_t::flags, GVC_s::g, GD_has_images, GD_XYMAX, GVJ_s::gvc, GVDEVICE_DOES_TRUECOLOR, GVJ_s::height, mapbool(), NULL, GVJ_s::render, scale(), transparent, GVCOMMON_s::verbose, GVJ_s::width, and GVJ_s::zoom.

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gdgen_bezier()

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

static

Definition at line 407 of file gvrender_gd.c.

References A, Bezier(), BEZIERSUBDIVISION, GVJ_s::context, F, obj_state_s::fillcolor, gdgen_set_penstyle(), color_s::index, NULL, GVJ_s::obj, PF2P, color_s::u, and V.

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gdgen_ellipse()

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

static

Definition at line 485 of file gvrender_gd.c.

References A, GVJ_s::context, dx, dy, obj_state_s::fillcolor, gdgen_set_penstyle(), color_s::index, NULL, GVJ_s::obj, ROUND, and color_s::u.

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gdgen_end_page()

static void gdgen_end_page ( GVJ_t *  job )

static

Definition at line 154 of file gvrender_gd.c.

References basecolor, black, GVJ_s::context, gd_context_t::ctx, GVJ_s::external_context, FORMAT_GD, FORMAT_GD2, FORMAT_GIF, FORMAT_JPEG, FORMAT_PNG, FORMAT_WBMP, FORMAT_XBM, gvdevice_gd_putBuf(), gvdevice_gd_putC(), gvplugin_active_render_s::id, gd_context_t::job, NULL, GVJ_s::output_file, GVJ_s::render, transparent, and UNREACHABLE.

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gdgen_polygon()

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

static

Definition at line 451 of file gvrender_gd.c.

References A, GVJ_s::context, obj_state_s::fillcolor, gdgen_set_penstyle(), gv_recalloc(), color_s::index, NULL, GVJ_s::obj, points, points_allocated, ROUND, and color_s::u.

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gdgen_polyline()

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

static

Definition at line 515 of file gvrender_gd.c.

References A, GVJ_s::context, gdgen_set_penstyle(), NULL, ROUND, pointf_s::x, and pointf_s::y.

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gdgen_resolve_color()

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

static

Definition at line 50 of file gvrender_gd.c.

References alpha, color(), COLOR_INDEX, and GVJ_s::context.

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gdgen_set_penstyle()

static int gdgen_set_penstyle ( GVJ_t *  job, gdImagePtr  im, gdImagePtr *  brush  )

static

Definition at line 359 of file gvrender_gd.c.

References color_s::index, GVJ_s::obj, obj_state_s::pen, PEN_DASHED, PEN_DOTTED, obj_state_s::pencolor, obj_state_s::penwidth, PENWIDTH_NORMAL, color_s::u, and GVJ_s::zoom.

Referenced by gdgen_bezier(), gdgen_ellipse(), gdgen_polygon(), and gdgen_polyline().

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gdgen_text()

void gdgen_text	(	gdImagePtr	im,
		pointf	spf,
		pointf	epf,
		int	fontcolor,
		double	fontsize,
		int	fontdpi,
		double	fontangle,
		char *	fontname,
		char *	str
	)

Definition at line 246 of file gvrender_gd.c.

References err, font, FONTSIZE_MUCH_TOO_SMALL, FONTSIZE_TOO_SMALL, free(), PF2P, str, point::x, and point::y.

Referenced by gdgen_textspan().

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gdgen_textspan()

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

static

Definition at line 304 of file gvrender_gd.c.

References GVJ_s::context, GVJ_s::dpi, textspan_t::font, gd_psfontResolve(), gdgen_text(), color_s::index, textspan_t::just, M_PI, textfont_t::name, GVJ_s::obj, obj_state_s::pencolor, POINTS_PER_INCH, textfont_t::postscript_alias, GVJ_s::rotation, textfont_t::size, textspan_t::size, textspan_t::str, color_s::u, pointf_s::x, pointf_s::y, textspan_t::yoffset_centerline, and GVJ_s::zoom.

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mapbool()

bool mapbool ( const char *  p )

extern

Definition at line 335 of file utils.c.

References mapBool().

Referenced by angleSet(), circularLayout(), common_init_edge(), dot_mincross(), dot_rank(), dotLayout(), emit_begin_edge(), emit_end_edge(), findRootNode(), gdgen_begin_page(), getAdjustMode(), graph_init(), init_nop(), initialPositions(), is_a_cluster(), is_a_strong_cluster(), is_nonconstraint(), late_bool(), majorization(), neato_layout(), noClip(), nonconstraint_edge(), poly_init(), record_init(), tuneControl(), user_pos(), and visible().

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Variable Documentation

basecolor

int basecolor

static

Definition at line 72 of file gvrender_gd.c.

Referenced by gdgen_end_page().

device_features_gd_tc_no_writer

gvdevice_features_t device_features_gd_tc_no_writer

static

Initial value:

= {
    GVDEVICE_BINARY_FORMAT
      | GVDEVICE_DOES_TRUECOLOR
      | GVDEVICE_NO_WRITER,     
    {0.,0.},                    
    {0.,0.},                    
    {96.,96.},                  
}

Definition at line 601 of file gvrender_gd.c.

gdgen_engine

gvrender_engine_t gdgen_engine

static

Definition at line 541 of file gvrender_gd.c.

gvdevice_gd_types2

gvplugin_installed_t gvdevice_gd_types2[]

Initial value:

= {
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    {FORMAT_GD, "gd:gd", 1, NULL, &device_features_gd_tc_no_writer},
    
 
 
 
 
    {0, NULL, 0, NULL, NULL}
}

Definition at line 615 of file gvrender_gd.c.

gvrender_gd_types

gvplugin_installed_t gvrender_gd_types[]

Initial value:

= {
    {FORMAT_GD, "gd", 1, &gdgen_engine, &render_features_gd},
    {0, NULL, 0, NULL, NULL}
}

Definition at line 610 of file gvrender_gd.c.

points

gdPoint* points

static

Definition at line 448 of file gvrender_gd.c.

Referenced by bestInk(), gdgen_polygon(), gdiplusgen_bezier(), gdiplusgen_polygon(), gdiplusgen_polyline(), make_flat_labeled_edge(), makeLineEdge(), makeSimpleFlat(), makeSimpleFlatLabels(), selfBottom(), selfLeft(), selfRight(), selfTop(), sumLengths(), sumLengths_avoid_bad_angle(), tclGdPolygonCmd(), and triangulate().

points_allocated

size_t points_allocated

static

Definition at line 449 of file gvrender_gd.c.

Referenced by gdgen_polygon().

render_features_gd

gvrender_features_t render_features_gd

static

Initial value:

= {
    GVRENDER_Y_GOES_DOWN,       
    4.,                         
    NULL,                       
    0,                          
    RGBA_BYTE,                  
}

Definition at line 574 of file gvrender_gd.c.

transparent

int transparent

static

Definition at line 72 of file gvrender_gd.c.

Referenced by gdgen_begin_page(), and gdgen_end_page().