graphics_sdl.c File Reference

#include <glib.h>
#include <pthread.h>
#include <poll.h>
#include <signal.h>
#include "config.h"
#include "debug.h"
#include "point.h"
#include "graphics.h"
#include "color.h"
#include "plugin.h"
#include "window.h"
#include "navit.h"
#include "keys.h"
#include "item.h"
#include "attr.h"
#include "callback.h"
#include "font/freetype/font_freetype.h"
#include "SDL.h"
#include <math.h>
#include "raster.h"
#include <event.h>
#include "SDL_image.h"
#include <alloca.h>

Data Structures
struct	graphics_priv
struct	graphics_gc_priv
struct	graphics_image_priv

Macros
#define	DISPLAY_W   800
#define	DISPLAY_H   600
#define	OVERLAY_MAX   32

Functions
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	image_free (struct graphics_priv *gr, struct graphics_image_priv *gi)
static void	draw_polygon_with_holes (struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count, int hole_count, int *ccount, struct point **holes)
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_lines (struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count)
static void	set_pixel (SDL_Surface *surface, int x, int y, Uint8 r2, Uint8 g2, Uint8 b2, Uint8 a2)
static void	resize_ft_buffer (unsigned int new_size)
static void	display_text_draw (struct font_freetype_text *text, struct graphics_priv *gr, struct graphics_gc_priv *fg, struct graphics_gc_priv *bg, int color, struct point *p)
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	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 void	overlay_disable (struct graphics_priv *gr, int disable)
static struct graphics_priv *	overlay_new (struct graphics_priv *gr, struct graphics_methods *meth, struct point *p, int w, int h, int wraparound)
static int	window_fullscreen (struct window *win, int on)
static void *	get_data (struct graphics_priv *this, char const *type)
static void	draw_drag (struct graphics_priv *gr, struct point *p)
static gboolean	graphics_sdl_idle (void *data)
static struct graphics_priv *	graphics_sdl_new (struct navit *nav, struct graphics_methods *meth, struct attr **attrs, struct callback_list *cbl)
void	plugin_init (void)

Variables
unsigned char *	ft_buffer = NULL
unsigned int	ft_buffer_size = 0
static struct graphics_gc_methods	gc_methods
static struct graphics_methods	graphics_methods

Macro Definition Documentation

DISPLAY_H

#define DISPLAY_H   600

DISPLAY_W

#define DISPLAY_W   800

OVERLAY_MAX

#define OVERLAY_MAX   32

Function Documentation

background_gc()

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

static

References dbg, and lvl_debug.

display_text_draw()

static void display_text_draw ( struct font_freetype_text *  text, struct graphics_priv *  gr, struct graphics_gc_priv *  fg, struct graphics_gc_priv *  bg, int  color, struct point *  p  )

static

References color::a, color::b, COLOR_IS_BLACK, COLOR_IS_WHITE, graphics_gc_priv::fore_a, graphics_gc_priv::fore_b, graphics_gc_priv::fore_g, graphics_gc_priv::fore_r, graphics_priv::freetype_methods, ft_buffer, color::g, font_freetype_methods::get_glyph, font_freetype_methods::get_shadow, font_freetype_text::glyph, font_freetype_text::glyph_count, p, color::r, resize_ft_buffer(), graphics_priv::screen, set_pixel(), point::x, and point::y.

Referenced by draw_text().

draw_circle()

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

static

References graphics_priv::aa, graphics_gc_priv::fore_a, graphics_gc_priv::fore_b, graphics_gc_priv::fore_g, graphics_gc_priv::fore_r, graphics_priv::overlay_enable, graphics_priv::overlay_mode, graphics_priv::overlay_parent, p, raster_aacircle(), raster_circle(), and graphics_priv::screen.

Referenced by draw_lines().

draw_drag()

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

static

References graphics_priv::overlay_x, graphics_priv::overlay_y, and p.

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_image_priv::img, graphics_priv::overlay_enable, graphics_priv::overlay_parent, p, and graphics_priv::screen.

draw_lines()

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

static

References graphics_priv::aa, dbg, draw_circle(), draw_polygon(), graphics_gc_priv::fore_a, graphics_gc_priv::fore_b, graphics_gc_priv::fore_g, graphics_gc_priv::fore_r, graphics_gc_priv::linewidth, lvl_debug, M_PI, graphics_priv::overlay_enable, graphics_priv::overlay_parent, p, raster_aaline(), raster_line(), graphics_priv::screen, point::x, and point::y.

draw_mode()

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

static

References dbg, graphics_priv::draw_mode, draw_mode_begin, draw_mode_end, rect::h, lvl_debug, graphics_priv::mode, graphics_priv::overlay_array, graphics_priv::overlay_enable, OVERLAY_MAX, graphics_priv::overlay_mode, graphics_priv::overlay_x, graphics_priv::overlay_y, and graphics_priv::screen.

Referenced by overlay_disable().

draw_polygon()

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

static

References dbg, draw_polygon_with_holes(), lvl_debug, and p.

Referenced by draw_lines().

draw_polygon_with_holes()

static void draw_polygon_with_holes ( struct graphics_priv *  gr, struct graphics_gc_priv *  gc, struct point *  p, int  count, int  hole_count, int *  ccount, struct point **  holes  )

static

References graphics_priv::aa, dbg, graphics_gc_priv::fore_a, graphics_gc_priv::fore_b, graphics_gc_priv::fore_g, graphics_gc_priv::fore_r, lvl_debug, graphics_priv::overlay_enable, graphics_priv::overlay_parent, p, raster_aapolygon_with_holes(), raster_polygon_with_holes(), and graphics_priv::screen.

Referenced by draw_polygon().

draw_rectangle()

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

static

References dbg, graphics_gc_priv::fore_a, graphics_gc_priv::fore_b, graphics_gc_priv::fore_g, graphics_gc_priv::fore_r, graphics_image_priv::h, lvl_debug, graphics_priv::overlay_enable, graphics_priv::overlay_parent, p, raster_rect(), graphics_priv::screen, 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 dbg, display_text_draw(), graphics_priv::freetype_methods, lvl_error, graphics_priv::overlay_enable, graphics_priv::overlay_parent, p, font_freetype_methods::text_destroy, font_freetype_methods::text_new, point::x, and point::y.

gc_destroy()

static void gc_destroy ( struct graphics_gc_priv *  gc )

static

gc_new()

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

static

References gc_methods, graphics_gc_priv::gr, and graphics_gc_priv::linewidth.

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

gc_set_foreground()

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

static

References c, dbg, graphics_gc_priv::fore_a, graphics_gc_priv::fore_b, graphics_gc_priv::fore_g, graphics_gc_priv::fore_r, and lvl_debug.

gc_set_linewidth()

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

static

References dbg, graphics_gc_priv::linewidth, and lvl_debug.

get_data()

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

static

References window::disable_suspend, window::fullscreen, window::priv, type, and window_fullscreen().

graphics_destroy()

static void graphics_destroy ( struct graphics_priv *  gr )

static

References dbg, font_freetype_methods::destroy, graphics_priv::freetype_methods, ft_buffer, lvl_debug, graphics_priv::overlay_array, graphics_priv::overlay_idx, graphics_priv::overlay_mode, graphics_priv::overlay_parent, and graphics_priv::screen.

graphics_sdl_idle()

static gboolean graphics_sdl_idle ( void *  data )

static

References callback_call_0, callback_cast, callback_destroy(), callback_list_call_0, callback_list_call_attr_0, callback_list_call_attr_1, callback_list_call_attr_2, callback_list_call_attr_3, callback_new_1, idle_task::cb, graphics_priv::cbl, cbl, attr::data, data, dbg, event_add_timeout(), event_remove_timeout(), event_sdl_watch_stopthread(), idle_tasks, lvl_debug, lvl_error, lvl_info, lvl_warning, graphics_priv::nav, navit_destroy(), navit_get_attr(), NAVIT_KEY_BACK, NAVIT_KEY_BACKSPACE, NAVIT_KEY_DOWN, NAVIT_KEY_LEFT, NAVIT_KEY_RETURN, NAVIT_KEY_RIGHT, NAVIT_KEY_UP, NAVIT_KEY_ZOOM_IN, NAVIT_KEY_ZOOM_OUT, p, idle_task::priority, quit_event_loop, graphics_priv::resize_callback_initial, graphics_priv::screen, attr::type, attr::u, attr::vehicle, vehicle_set_attr(), graphics_priv::video_bpp, and graphics_priv::video_flags.

Referenced by graphics_sdl_new().

graphics_sdl_new()

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

static

References attr_search(), event_timeout::cb, event_idle::cb, event_watch::cb, idle_task::cb, cbl, dbg, dbg_assert, DISPLAY_H, DISPLAY_W, event_request_system(), event_sdl_add_idle(), event_sdl_add_timeout(), event_sdl_add_watch(), event_sdl_call_callback(), event_sdl_main_loop_quit(), event_sdl_main_loop_run(), event_sdl_methods, event_sdl_new(), event_sdl_remove_idle(), event_sdl_remove_timeout(), event_sdl_remove_watch(), event_sdl_watch_startthread(), event_sdl_watch_stopthread(), event_sdl_watch_thread(), event_watch_cond_except, event_watch_cond_read, event_watch_cond_write, event_watch::fd, font_freetype_new(), graphics_methods::font_new, graphics_methods::get_text_bbox, graphics_methods, graphics_sdl_idle(), event_timeout::id, idle_tasks, lvl_debug, lvl_error, lvl_info, methods, event_timeout::multi, attr::num, orientation, event_watch::pfd, idle_task::priority, quit_event_loop, sdl_sort_idle_tasks(), sdl_timer_callback(), sdl_watch_list, sdl_watch_thread, callback::type, and attr::u.

Referenced by plugin_init().

image_free()

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

static

References graphics_image_priv::img.

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 dbg, graphics_image_priv::h, graphics_image_priv::hot, graphics_image_priv::img, lvl_error, name, graphics_image_priv::w, point::x, and point::y.

overlay_disable()

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

static

References graphics_priv::disable, draw_mode(), draw_mode_end, graphics_priv::overlay_enable, and graphics_priv::overlay_parent.

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, 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, lvl_debug, lvl_error, graphics_priv::overlay_array, graphics_priv::overlay_enable, graphics_priv::overlay_idx, OVERLAY_MAX, graphics_priv::overlay_mode, graphics_priv::overlay_parent, graphics_priv::overlay_x, graphics_priv::overlay_y, p, graphics_priv::screen, and graphics_priv::w.

plugin_init()

void plugin_init

(

void

)

References event_sdl_new(), and graphics_sdl_new().

resize_ft_buffer()

static void resize_ft_buffer ( unsigned int  new_size )

static

References dbg, ft_buffer, ft_buffer_size, and lvl_debug.

Referenced by display_text_draw().

set_pixel()

static void set_pixel ( SDL_Surface *  surface, int  x, int  y, Uint8  r2, Uint8  g2, Uint8  b2, Uint8  a2  )

static

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

Referenced by display_text_draw().

window_fullscreen()

static int window_fullscreen ( struct window *  win, int  on  )

static

References callback_list_call_attr_2, graphics_priv::cbl, graphics_priv::nav, navit_destroy(), window::priv, graphics_priv::screen, graphics_priv::video_bpp, graphics_priv::video_flags, and graphics_priv::win.

Referenced by get_data().

Variable Documentation

ft_buffer

unsigned char* ft_buffer = NULL

Referenced by display_text_draw(), graphics_destroy(), and resize_ft_buffer().

ft_buffer_size

unsigned int ft_buffer_size = 0

Referenced by resize_ft_buffer().

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,
    NULL ,
    draw_text,
    draw_image,
    NULL, 
    draw_drag,
    NULL, 
    gc_new,
    background_gc,
    overlay_new,
    image_new,
    get_data,
    image_free,
    NULL, 
    overlay_disable,
    NULL, 
    NULL, 
    NULL, 
    NULL, 
    NULL, 
    draw_polygon_with_holes
}

Referenced by graphics_sdl_new(), and overlay_new().