graphics_gd.c File Reference

#include <glib.h>
#include <gd.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "config.h"
#include "point.h"
#include "graphics.h"
#include "color.h"
#include "plugin.h"
#include "callback.h"
#include "window.h"
#include "navit.h"
#include "debug.h"
#include "navit/font/freetype/font_freetype.h"

Data Structures
struct	shmem_header
struct	graphics_priv
struct	graphics_gc_priv
struct	graphics_image_priv

Functions
static void	emit_callback (struct graphics_priv *priv)
static void	image_setup (struct graphics_priv *gr)
static struct shmem_header *	shm_next (struct graphics_priv *gr)
static void	add_overlays (struct graphics_priv *overlay, gdImagePtr im)
static void	graphics_destroy (struct graphics_priv *gr)
static void	gc_destroy (struct graphics_gc_priv *gc)
static void	gc_set_linewidth (struct graphics_gc_priv *gc, int w)
static void	gc_set_dashes (struct graphics_gc_priv *gc, int w, int offset, unsigned char *dash_list, int n)
static void	gc_set_foreground (struct graphics_gc_priv *gc, struct color *c)
static void	gc_set_background (struct graphics_gc_priv *gc, struct color *c)
static struct graphics_gc_priv *	gc_new (struct graphics_priv *gr, struct graphics_gc_methods *meth)
static struct graphics_image_priv *	image_new (struct graphics_priv *gr, struct graphics_image_methods *meth, char *name, int *w, int *h, struct point *hot, int rotation)
static void	draw_lines (struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count)
static void	draw_polygon (struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count)
static void	draw_rectangle (struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int w, int h)
static void	draw_circle (struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int r)
static void	draw_text (struct graphics_priv *gr, struct graphics_gc_priv *fg, struct graphics_gc_priv *bg, struct graphics_font_priv *font, char *text, struct point *p, int dx, int dy)
static void	draw_image (struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, struct graphics_image_priv *img)
static void	draw_drag (struct graphics_priv *gr, struct point *p)
static void	background_gc (struct graphics_priv *gr, struct graphics_gc_priv *gc)
static void	draw_mode (struct graphics_priv *gr, enum draw_mode_num mode)
static struct graphics_priv *	overlay_new (struct graphics_priv *gr, struct graphics_methods *meth, struct point *p, int w, int h, int wraparound)
static void *	get_data (struct graphics_priv *this, char *type)
static void	image_free (struct graphics_priv *gr, struct graphics_image_priv *priv)
static void	overlay_disable (struct graphics_priv *gr, int disable)
static void	overlay_resize (struct graphics_priv *gr, struct point *p, int w, int h, int wraparound)
static void	image_create (struct graphics_priv *gr)
static void	image_destroy (struct graphics_priv *gr)
static int	set_attr_do (struct graphics_priv *gr, struct attr *attr, int init)
static int	set_attr (struct graphics_priv *gr, struct attr *attr)
static struct graphics_priv *	graphics_gd_new (struct navit *nav, struct graphics_methods *meth, struct attr **attrs, struct callback_list *cbl)
void	plugin_init (void)

Variables
static struct graphics_gc_methods	gc_methods
static struct graphics_methods	graphics_methods

Function Documentation

add_overlays()

static void add_overlays ( struct graphics_priv *  overlay, gdImagePtr  im  )

static

References graphics_priv::im, graphics_priv::overlay, graphics_priv::x, and graphics_priv::y.

Referenced by draw_mode(), and get_data().

background_gc()

static void background_gc ( struct graphics_priv *  gr, struct graphics_gc_priv *  gc  )

static

References graphics_priv::background.

draw_circle()

static void draw_circle ( struct graphics_priv *  gr, struct graphics_gc_priv *  gc, struct point *  p, int  r  )

static

References graphics_gc_priv::color, graphics_priv::flags, graphics_priv::im, p, and graphics_gc_priv::width.

draw_drag()

static void draw_drag ( struct graphics_priv *  gr, struct point *  p  )

static

References graphics_priv::p, p, point::x, and point::y.

draw_image()

static void draw_image ( struct graphics_priv *  gr, struct graphics_gc_priv *  fg, struct point *  p, struct graphics_image_priv *  img  )

static

References graphics_priv::im, graphics_image_priv::im, and p.

draw_lines()

static void draw_lines ( struct graphics_priv *  gr, struct graphics_gc_priv *  gc, struct point *  p, int  count  )

static

References graphics_gc_priv::color, graphics_gc_priv::dash_count, graphics_gc_priv::dash_list, graphics_gc_priv::dash_list_len, graphics_priv::flags, graphics_priv::im, p, and graphics_gc_priv::width.

draw_mode()

static void draw_mode ( struct graphics_priv *  gr, enum draw_mode_num  mode  )

static

References add_overlays(), graphics_priv::background, graphics_gc_priv::color, data, dbg, draw_mode_begin, draw_mode_end, shmem_header::flag, graphics_priv::flags, graphics_priv::h, graphics_priv::im, image_setup(), lvl_debug, lvl_error, next, graphics_priv::overlay, graphics_priv::overlays, graphics_priv::shm_header, shm_next(), size, graphics_priv::sockets, and graphics_priv::w.

draw_polygon()

static void draw_polygon ( struct graphics_priv *  gr, struct graphics_gc_priv *  gc, struct point *  p, int  count  )

static

References graphics_gc_priv::color, graphics_priv::flags, graphics_priv::im, and p.

draw_rectangle()

static void draw_rectangle ( struct graphics_priv *  gr, struct graphics_gc_priv *  gc, struct point *  p, int  w, int  h  )

static

References graphics_gc_priv::color, graphics_priv::flags, graphics_image_priv::h, graphics_priv::im, p, and graphics_image_priv::w.

draw_text()

static void draw_text ( struct graphics_priv *  gr, struct graphics_gc_priv *  fg, struct graphics_gc_priv *  bg, struct graphics_font_priv *  font, char *  text, struct point *  p, int  dx, int  dy  )

static

References color::a, graphics_gc_priv::color2, font_freetype_glyph::dx, font_freetype_glyph::dy, graphics_priv::freetype_methods, color::g, font_freetype_methods::get_glyph, font_freetype_methods::get_shadow, font_freetype_text::glyph, font_freetype_text::glyph_count, font_freetype_glyph::h, graphics_priv::im, p, font_freetype_methods::text_destroy, font_freetype_methods::text_new, font_freetype_glyph::w, font_freetype_glyph::x, and font_freetype_glyph::y.

emit_callback()

static void emit_callback ( struct graphics_priv *  priv )

static

References callback_list_call_attr_2, graphics_priv::cbl, graphics_priv::h, and graphics_priv::w.

Referenced by graphics_gd_new(), and set_attr_do().

gc_destroy()

static void gc_destroy ( struct graphics_gc_priv *  gc )

static

References graphics_gc_priv::bgcolor, graphics_gc_priv::color, graphics_gc_priv::dash_list, graphics_gc_priv::gr, and graphics_priv::im.

gc_new()

static struct graphics_gc_priv* gc_new ( struct graphics_priv *  gr, struct graphics_gc_methods *  meth  )

static

References graphics_gc_priv::bgcolor, graphics_gc_priv::color, gc_methods, graphics_gc_priv::gr, and graphics_gc_priv::width.

gc_set_background()

static void gc_set_background ( struct graphics_gc_priv *  gc, struct color *  c  )

static

gc_set_dashes()

static void gc_set_dashes ( struct graphics_gc_priv *  gc, int  w, int  offset, unsigned char *  dash_list, int  n  )

static

References graphics_gc_priv::dash_count, graphics_gc_priv::dash_list, and graphics_gc_priv::dash_list_len.

gc_set_foreground()

static void gc_set_foreground ( struct graphics_gc_priv *  gc, struct color *  c  )

static

References c, graphics_gc_priv::color, graphics_gc_priv::color2, graphics_gc_priv::gr, and graphics_priv::im.

gc_set_linewidth()

static void gc_set_linewidth ( struct graphics_gc_priv *  gc, int  w  )

static

References graphics_gc_priv::width.

get_data()

static void* get_data ( struct graphics_priv *  this, char *  type  )

static

References add_overlays(), callback_list_call_attr_1, callback_list_call_attr_3, cbl, dbg, graphics_priv::h, graphics_priv::im, graphics_priv::image, lvl_debug, graphics_priv::overlay, graphics_priv::overlays, p, type, and graphics_priv::w.

graphics_destroy()

static void graphics_destroy ( struct graphics_priv *  gr )

static

References font_freetype_methods::destroy, and graphics_priv::freetype_methods.

graphics_gd_new()

static struct graphics_priv* graphics_gd_new ( struct navit *  nav, struct graphics_methods *  meth, struct attr **  attrs, struct callback_list *  cbl  )

static

References callback_cast, callback_new_attr_1, graphics_priv::cb, graphics_priv::cbl, cbl, emit_callback(), event_request_system(), font_freetype_new(), font_freetype_methods::font_new, graphics_methods::font_new, graphics_priv::freetype_methods, font_freetype_methods::get_text_bbox, graphics_methods::get_text_bbox, graphics_methods, graphics_priv::h, graphics_priv::im, image_create(), graphics_priv::nav, navit_add_callback(), set_attr_do(), and graphics_priv::w.

Referenced by plugin_init().

image_create()

static void image_create ( struct graphics_priv *  gr )

static

References dbg, graphics_priv::h, graphics_priv::im, image_setup(), lvl_debug, graphics_priv::shm, graphics_priv::shm_header, graphics_priv::shmkey, size, and graphics_priv::w.

Referenced by graphics_gd_new(), and set_attr_do().

image_destroy()

static void image_destroy ( struct graphics_priv *  gr )

static

References graphics_priv::im, graphics_priv::shm, and graphics_priv::shmkey.

Referenced by set_attr_do().

image_free()

static void image_free ( struct graphics_priv *  gr, struct graphics_image_priv *  priv  )

static

References graphics_image_priv::im.

image_new()

static struct graphics_image_priv* image_new ( struct graphics_priv *  gr, struct graphics_image_methods *  meth, char *  name, int *  w, int *  h, struct point *  hot, int  rotation  )

static

References file, graphics_image_priv::h, graphics_image_priv::hot, graphics_image_priv::im, name, graphics_image_priv::w, point::x, and point::y.

image_setup()

static void image_setup ( struct graphics_priv *  gr )

static

References shmem_header::bpp, shmem_header::flag, graphics_priv::h, shmem_header::h, graphics_priv::im, graphics_priv::shm_header, graphics_priv::shmkey, graphics_priv::w, and shmem_header::w.

Referenced by draw_mode(), and image_create().

overlay_disable()

static void overlay_disable ( struct graphics_priv *  gr, int  disable  )

static

References dbg, and lvl_debug.

overlay_new()

static struct graphics_priv * overlay_new ( struct graphics_priv *  gr, struct graphics_methods *  meth, struct point *  p, int  w, int  h, int  wraparound  )

static

References dbg, graphics_priv::flags, font_freetype_new(), graphics_priv::freetype_methods, graphics_methods, graphics_priv::h, graphics_priv::im, lvl_debug, graphics_priv::next, graphics_priv::overlay, graphics_priv::overlays, graphics_priv::p, p, and graphics_priv::w.

overlay_resize()

static void overlay_resize ( struct graphics_priv *  gr, struct point *  p, int  w, int  h, int  wraparound  )

static

References dbg, and lvl_debug.

plugin_init()

void plugin_init

(

void

)

References graphics_gd_new().

set_attr()

static int set_attr ( struct graphics_priv *  gr, struct attr *  attr  )

static

set_attr_do()

static int set_attr_do ( struct graphics_priv *  gr, struct attr *  attr, int  init  )

static

References c, dbg, emit_callback(), graphics_priv::flags, graphics_priv::h, graphics_priv::im, image_create(), image_destroy(), lvl_debug, lvl_error, attr::num, p, graphics_priv::shmkey, graphics_priv::shmoffset, graphics_priv::shmsize, graphics_priv::sockets, attr::str, attr::type, attr::u, and graphics_priv::w.

Referenced by graphics_gd_new().

shm_next()

struct shmem_header * shm_next ( struct graphics_priv *  gr )

static

References dbg, lvl_debug, next, graphics_priv::shm, graphics_priv::shm_header, graphics_priv::shmoffset, and graphics_priv::shmsize.

Referenced by draw_mode().

Variable Documentation

gc_methods

struct graphics_gc_methods gc_methods

static

Initial value:

= {
    gc_destroy,
    gc_set_linewidth,
    gc_set_dashes,
    gc_set_foreground,
    gc_set_background
}

Referenced by gc_new().

graphics_methods

struct graphics_methods graphics_methods

static

Initial value:

= {
    graphics_destroy,
    draw_mode,
    draw_lines,
    draw_polygon,
    draw_rectangle,
    draw_circle,
    draw_text,
    draw_image,
    NULL,
    draw_drag,
    NULL,
    gc_new,
    background_gc,
    overlay_new,
    image_new,
    get_data,
    image_free,
    NULL,
    overlay_disable,
    overlay_resize,
    set_attr,
    NULL, 
    NULL, 
}

Referenced by graphics_gd_new(), and overlay_new().