graphics_opengl.c File Reference

#include <glib.h>
#include <unistd.h>
#include <math.h>
#include <stdio.h>
#include <time.h>
#include "item.h"
#include "attr.h"
#include "config.h"
#include "point.h"
#include "graphics.h"
#include "color.h"
#include "plugin.h"
#include "event.h"
#include "debug.h"
#include "callback.h"
#include "keys.h"
#include "window.h"
#include "navit/font/freetype/font_freetype.h"
#include "graphics_opengl.h"
#include <GL/glut.h>

Data Structures
struct	graphics_gc_priv
struct	graphics_priv
struct	graphics_image_priv
struct	mouse_event_queue_element

Macros
#define	USE_FLOAT   0
#define	REQUIRES_POWER_OF_2   0
#define	PIXEL_FORMAT   GL_BGRA
#define	glOrthof   glOrtho
#define	USE_FLOAT   1
#define	glF(x)   x
#define	glD(x)   x
#define	GL_F   GL_FLOAT
#define	SCREEN_WIDTH   700
#define	SCREEN_HEIGHT   700

Typedefs
typedef GLfloat	GLf

Functions
void APIENTRY	tessBeginCB (GLenum which)
void APIENTRY	tessEndCB (void)
void APIENTRY	tessErrorCB (GLenum errorCode)
void APIENTRY	tessVertexCB (const GLvoid *data)
void APIENTRY	tessVertexCB2 (const GLvoid *data)
void APIENTRY	tessCombineCB (GLdouble c[3], void *d[4], GLfloat w[4], void **out)
const char *	getPrimitiveType (GLenum type)
static struct graphics_priv *	graphics_opengl_new_helper (struct graphics_methods *meth)
static void	display (void)
static void	resize_callback (int w, int h)
static void	motion_notify_do (struct graphics_priv *priv, int x, int y)
static void	resize_callback_do (struct graphics_priv *priv, int w, int h)
static void	glut_close (void)
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 width, 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 *path, int *w, int *h, struct point *hot, int rotation)
static void	set_color (struct graphics_priv *gr, struct graphics_gc_priv *gc)
static void	draw_array (struct graphics_priv *gr, struct point *p, int count, GLenum mode)
static void	draw_rectangle_do (struct graphics_priv *gr, struct point *p, int w, int h)
static void	get_overlay_pos (struct graphics_priv *gr, struct point *point_out)
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	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	draw_drag (struct graphics_priv *gr, struct point *p)
static void	background_gc (struct graphics_priv *gr, struct graphics_gc_priv *gc)
static void	handle_mouse_queue (void)
static int	redraw_screen (struct graphics_priv *gr)
static gboolean	redraw_filter (gpointer data)
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 int	graphics_opengl_fullscreen (struct window *w, int on)
static void	graphics_opengl_disable_suspend (struct window *w)
static void *	get_data (struct graphics_priv *this, const 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	click_notify (int button, int state, int x, int y)
static void	motion_notify (int x, int y)
static gboolean	graphics_opengl_idle (void *data)
static void	ProcessNormalKeys (unsigned char key_in, int x, int y)
static void	ProcessSpecialKeys (int key_in, int x, int y)
static struct graphics_priv *	graphics_opengl_new (struct navit *nav, struct graphics_methods *meth, struct attr **attrs, struct callback_list *cbl)
static void	event_opengl_main_loop_run (void)
static void	event_opengl_main_loop_quit (void)
static struct event_watch *	event_opengl_add_watch (int fd, enum event_watch_cond cond, struct callback *cb)
static void	event_opengl_remove_watch (struct event_watch *ev)
static struct event_timeout *	event_opengl_add_timeout (int timeout, int multi, struct callback *cb)
static void	event_opengl_remove_timeout (struct event_timeout *to)
static struct event_idle *	event_opengl_add_idle (int priority, struct callback *cb)
static void	event_opengl_remove_idle (struct event_idle *ev)
static void	event_opengl_call_callback (struct callback_list *cb)
static struct event_priv *	event_opengl_new (struct event_methods *meth)
void	plugin_init (void)

Variables
struct graphics_gc_priv	graphics_gc_priv
static struct graphics_priv *	graphics_priv_root
struct graphics_image_priv	graphics_image_priv
static const int	mouse_event_queue_size = 100
static int	mouse_event_queue_begin_idx = 0
static int	mouse_event_queue_end_idx = 0
static struct mouse_event_queue_element	mouse_queue [100]
static GHashTable *	hImageData
static struct graphics_gc_methods	gc_methods
static int	tess_count
static struct point	tess_array [512]
static GLenum	tess_type
static struct graphics_methods	graphics_methods
static struct event_methods	event_opengl_methods

Macro Definition Documentation

GL_F

#define GL_F   GL_FLOAT

glD

#define glD

(

x

)

x

glF

#define glF

(

x

)

x

glOrthof

#define glOrthof   glOrtho

PIXEL_FORMAT

#define PIXEL_FORMAT   GL_BGRA

REQUIRES_POWER_OF_2

#define REQUIRES_POWER_OF_2   0

SCREEN_HEIGHT

#define SCREEN_HEIGHT   700

SCREEN_WIDTH

#define SCREEN_WIDTH   700

USE_FLOAT [1/2]

#define USE_FLOAT   0

Navit, a modular navigation system. Copyright (C) 2005-2010 Navit Team

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

USE_FLOAT [2/2]

#define USE_FLOAT   1

Navit, a modular navigation system. Copyright (C) 2005-2010 Navit Team

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Typedef Documentation

GLf

typedef GLfloat GLf

Function Documentation

background_gc()

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

static

References graphics_priv::background_gc.

click_notify()

static void click_notify ( int  button, int  state, int  x, int  y  )

static

References mouse_event_queue_element::button, graphics_priv_root, mouse_event_queue_end_idx, mouse_event_queue_size, mouse_queue, mouse_event_queue_element::state, graphics_priv::width, mouse_event_queue_element::x, point::x, mouse_event_queue_element::y, and point::y.

Referenced by graphics_opengl_new().

display()

static void display ( void  )

static

References graphics_priv::force_redraw, graphics_priv_root, graphics_priv::height, redraw_screen(), resize_callback(), and graphics_priv::width.

Referenced by graphics_opengl_egl_new(), graphics_opengl_new(), gui_internal_cmd_position_do(), gui_internal_dbus_signal(), gui_qml_dbus_signal(), and org.navitproject.navit.Navit::onCreate().

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, draw_image_es(), font_freetype_glyph::dx, font_freetype_glyph::dy, graphics_gc_priv::fa, graphics_gc_priv::fb, graphics_gc_priv::fg, graphics_gc_priv::fr, 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, p, PIXEL_FORMAT, color::r, font_freetype_glyph::w, font_freetype_glyph::x, point::x, font_freetype_glyph::y, and point::y.

Referenced by draw_text().

draw_array()

static void draw_array ( struct graphics_priv *  gr, struct point *  p, int  count, GLenum  mode  )

static

References GL_F, glF, p, and graphics_priv::position_location.

Referenced by draw_lines(), draw_polygon(), draw_rectangle_do(), and tessEndCB().

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_image_priv::data, graphics_priv::dirty, draw_image_es(), graphics_priv_root, graphics_image_priv::h, graphics_image_priv::hot_x, graphics_image_priv::hot_y, graphics_priv::overlay_enabled, p, graphics_priv::parent, graphics_image_priv::w, point::x, and point::y.

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::dash_count, graphics_gc_priv::dash_mask, graphics_priv::dirty, draw_array(), graphics_priv_root, graphics_gc_priv::linewidth, graphics_priv::overlay_enabled, p, graphics_priv::parent, and set_color().

draw_mode()

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

static

References graphics_priv::DLid, draw_mode_begin, draw_mode_end, graphics_priv::force_redraw, graphics_priv::mode, graphics_priv::overlay_enabled, graphics_priv::parent, graphics_priv::platform, graphics_priv::platform_methods, redraw_screen(), and graphics_opengl_platform_methods::swap_buffers.

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 graphics_priv::dirty, draw_array(), graphics_priv_root, graphics_priv::overlay_enabled, p, graphics_priv::parent, set_color(), tessBeginCB(), tessCombineCB(), tessEndCB(), tessVertexCB(), point::x, and point::y.

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_priv::dirty, draw_rectangle_do(), graphics_priv_root, graphics_priv::overlay_enabled, p, graphics_priv::parent, and set_color().

draw_rectangle_do()

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

static

References draw_array(), p, point::x, and point::y.

Referenced by draw_rectangle().

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, graphics_priv::dirty, display_text_draw(), graphics_priv::freetype_methods, graphics_priv_root, lvl_error, graphics_priv::overlay_enabled, p, graphics_priv::parent, font_freetype_methods::text_destroy, font_freetype_methods::text_new, point::x, and point::y.

event_opengl_add_idle()

static struct event_idle* event_opengl_add_idle ( int  priority, struct callback *  cb  )

static

References dbg, and lvl_debug.

event_opengl_add_timeout()

static struct event_timeout* event_opengl_add_timeout ( int  timeout, int  multi, struct callback *  cb  )

static

References dbg, and lvl_debug.

event_opengl_add_watch()

static struct event_watch* event_opengl_add_watch ( int  fd, enum event_watch_cond  cond, struct callback *  cb  )

static

References dbg, and lvl_debug.

event_opengl_call_callback()

static void event_opengl_call_callback ( struct callback_list *  cb )

static

References dbg, and lvl_debug.

event_opengl_main_loop_quit()

static void event_opengl_main_loop_quit ( void  )

static

References dbg, and lvl_debug.

event_opengl_main_loop_run()

static void event_opengl_main_loop_run ( void  )

static

References dbg, and lvl_info.

event_opengl_new()

static struct event_priv* event_opengl_new ( struct event_methods *  meth )

static

References event_opengl_methods.

Referenced by plugin_init().

event_opengl_remove_idle()

static void event_opengl_remove_idle ( struct event_idle *  ev )

static

References dbg, and lvl_debug.

event_opengl_remove_timeout()

static void event_opengl_remove_timeout ( struct event_timeout *  to )

static

References dbg, and lvl_debug.

event_opengl_remove_watch()

static void event_opengl_remove_watch ( struct event_watch *  ev )

static

References dbg, and lvl_debug.

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  width, int  offset, unsigned char *  dash_list, int  n  )

static

References graphics_gc_priv::dash_count, and graphics_gc_priv::dash_mask.

gc_set_foreground()

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

static

References c, graphics_gc_priv::fa, graphics_gc_priv::fb, graphics_gc_priv::fg, and graphics_gc_priv::fr.

gc_set_linewidth()

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

static

References graphics_gc_priv::linewidth, and graphics_priv::w.

get_data()

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

static

References window::disable_suspend, fragment_src, window::fullscreen, graphics_opengl_disable_suspend(), graphics_opengl_egl_new(), graphics_opengl_fullscreen(), graphics_opengl_x11_new(), height, load_shader(), motion_notify_do(), window::priv, resize_callback(), resize_callback_do(), type, vertex_src, and width.

get_overlay_pos()

static void get_overlay_pos ( struct graphics_priv *  gr, struct point *  point_out  )

static

References graphics_priv::height, graphics_priv::p, graphics_priv::parent, graphics_priv::width, point::x, and point::y.

Referenced by redraw_screen().

getPrimitiveType()

const char * getPrimitiveType

(

GLenum

type

)

References type.

Referenced by tessBeginCB().

glut_close()

static void glut_close ( void  )

static

References callback_list_call_attr_0, graphics_priv::cbl, and graphics_priv_root.

Referenced by graphics_opengl_new().

graphics_destroy()

static void graphics_destroy ( struct graphics_priv *  gr )

static

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

graphics_opengl_disable_suspend()

static void graphics_opengl_disable_suspend ( struct window *  w )

static

Referenced by get_data().

graphics_opengl_fullscreen()

static int graphics_opengl_fullscreen ( struct window *  w, int  on  )

static

Referenced by get_data().

graphics_opengl_idle()

static gboolean graphics_opengl_idle ( void *  data )

static

References callback_list_call_attr_2, graphics_priv::cbl, graphics_priv_root, handle_mouse_queue(), graphics_priv::height, and graphics_priv::width.

Referenced by graphics_opengl_new().

graphics_opengl_new()

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

static

References argc, attr_search(), graphics_priv::cbl, cbl, click_notify(), graphics_priv::delay, display(), graphics_priv::DLid, event_request_system(), glut_close(), graphics_opengl_idle(), graphics_opengl_new_helper(), graphics_priv_root, graphics_priv::height, height, hImageData, motion_notify(), graphics_priv::nav, attr::num, graphics_priv::overlay_enabled, ProcessNormalKeys(), ProcessSpecialKeys(), redraw_filter(), resize_callback(), SCREEN_HEIGHT, SCREEN_WIDTH, graphics_priv::timeout, attr::u, graphics_priv::width, and width.

Referenced by plugin_init().

graphics_opengl_new_helper()

static struct graphics_priv * graphics_opengl_new_helper ( struct graphics_methods *  meth )

static

References font_freetype_new(), graphics_methods::font_new, graphics_priv::freetype_methods, graphics_methods::get_text_bbox, and graphics_methods.

Referenced by graphics_opengl_new(), and overlay_new().

handle_mouse_queue()

static void handle_mouse_queue ( void  )

static

References callback_list_call_attr_3, graphics_priv::cbl, graphics_priv::force_redraw, graphics_priv_root, mouse_event_queue_begin_idx, mouse_event_queue_end_idx, mouse_event_queue_size, mouse_queue, p, mouse_event_queue_element::x, and mouse_event_queue_element::y.

Referenced by graphics_opengl_idle().

image_free()

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

static

image_new()

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

static

References graphics_image_priv::data, data, dbg, graphics_image_priv::h, height, hImageData, graphics_image_priv::hot, graphics_image_priv::hot_x, graphics_image_priv::hot_y, image_error, lvl_error, graphics_image_priv::path, graphics_image_priv::w, width, point::x, and point::y.

motion_notify()

static void motion_notify ( int  x, int  y  )

static

References graphics_priv_root, motion_notify_do(), point::x, and point::y.

Referenced by graphics_opengl_new().

motion_notify_do()

static void motion_notify_do ( struct graphics_priv *  priv, int  x, int  y  )

static

References callback_list_call_attr_1, graphics_priv::cbl, p, graphics_priv::width, point::x, and point::y.

Referenced by get_data(), and motion_notify().

overlay_disable()

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

static

References draw_mode(), draw_mode_end, graphics_priv::force_redraw, and graphics_priv::overlay_enabled.

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 graphics_priv::DLid, graphics_opengl_new_helper(), graphics_priv::h, height, next, graphics_priv::overlay_autodisabled, graphics_priv::overlay_enabled, graphics_priv::overlays, p, graphics_priv::w, and width.

overlay_resize()

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

static

plugin_init()

void plugin_init

(

void

)

References event_opengl_new(), and graphics_opengl_new().

ProcessNormalKeys()

static void ProcessNormalKeys ( unsigned char  key_in, int  x, int  y  )

static

References callback_list_call_attr_1, graphics_priv::cbl, graphics_priv::force_redraw, graphics_priv_root, key, and NAVIT_KEY_RETURN.

Referenced by graphics_opengl_new().

ProcessSpecialKeys()

static void ProcessSpecialKeys ( int  key_in, int  x, int  y  )

static

References callback_list_call_attr_1, graphics_priv::cbl, graphics_priv::force_redraw, graphics_priv_root, key, NAVIT_KEY_DOWN, NAVIT_KEY_LEFT, NAVIT_KEY_RIGHT, NAVIT_KEY_UP, NAVIT_KEY_ZOOM_IN, and NAVIT_KEY_ZOOM_OUT.

Referenced by graphics_opengl_new().

redraw_filter()

static gboolean redraw_filter ( gpointer  data )

static

References data, graphics_priv::dirty, graphics_priv::overlay_enabled, and redraw_screen().

Referenced by graphics_opengl_new().

redraw_screen()

static int redraw_screen ( struct graphics_priv *  gr )

static

References graphics_priv::dirty, graphics_priv::DLid, get_overlay_pos(), graphics_priv_root, graphics_priv::next, graphics_priv::overlay, graphics_priv::overlay_enabled, graphics_priv::overlays, point::x, and point::y.

Referenced by display(), draw_mode(), and redraw_filter().

resize_callback()

static void resize_callback ( int  w, int  h  )

static

References graphics_priv_root, and resize_callback_do().

Referenced by display(), get_data(), and graphics_opengl_new().

resize_callback_do()

static void resize_callback_do ( struct graphics_priv *  priv, int  w, int  h  )

static

References callback_list_call_attr_2, graphics_priv::cbl, glF, glOrthof, graphics_priv::height, and graphics_priv::width.

Referenced by get_data(), and resize_callback().

set_color()

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

static

References graphics_priv::color_location, graphics_gc_priv::fa, graphics_gc_priv::fb, graphics_gc_priv::fg, graphics_gc_priv::fr, and glF.

Referenced by draw_lines(), draw_polygon(), and draw_rectangle().

tessBeginCB()

void APIENTRY tessBeginCB

(

GLenum

which

)

References dbg, getPrimitiveType(), lvl_debug, tess_count, and tess_type.

Referenced by draw_polygon().

tessCombineCB()

void APIENTRY tessCombineCB	(	GLdouble	c[3],
		void *	d[4],
		GLfloat	w[4],
		void **	out
	)

References c.

Referenced by draw_polygon().

tessEndCB()

void APIENTRY tessEndCB

(

void

)

References dbg, draw_array(), graphics_priv_root, lvl_debug, tess_array, tess_count, and tess_type.

Referenced by draw_polygon().

tessErrorCB()

void APIENTRY tessErrorCB

(

GLenum

errorCode

)

tessVertexCB()

void APIENTRY tessVertexCB

(

const GLvoid *

data

)

References data, dbg, lvl_debug, lvl_error, tess_array, tess_count, point::x, and point::y.

Referenced by draw_polygon().

tessVertexCB2()

void APIENTRY tessVertexCB2

(

const GLvoid *

data

)

Variable Documentation

event_opengl_methods

struct event_methods event_opengl_methods

static

Initial value:

= {
    event_opengl_main_loop_run,
    event_opengl_main_loop_quit,
    event_opengl_add_watch,
    event_opengl_remove_watch,
    event_opengl_add_timeout,
    event_opengl_remove_timeout,
    event_opengl_add_idle,
    event_opengl_remove_idle,
    event_opengl_call_callback,
}

Referenced by event_opengl_new().

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_gc_priv

struct graphics_gc_priv graphics_gc_priv

graphics_image_priv

struct graphics_image_priv graphics_image_priv

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,
    overlay_resize,
    NULL, 
    NULL, 
}

Referenced by graphics_opengl_new_helper().

graphics_priv_root

struct graphics_priv* graphics_priv_root

static

Referenced by click_notify(), display(), draw_image(), draw_lines(), draw_polygon(), draw_rectangle(), draw_text(), glut_close(), graphics_opengl_idle(), graphics_opengl_new(), handle_mouse_queue(), motion_notify(), ProcessNormalKeys(), ProcessSpecialKeys(), redraw_screen(), resize_callback(), and tessEndCB().

hImageData

GHashTable* hImageData

static

Referenced by graphics_opengl_new(), and image_new().

mouse_event_queue_begin_idx

int mouse_event_queue_begin_idx = 0

static

Referenced by handle_mouse_queue().

mouse_event_queue_end_idx

int mouse_event_queue_end_idx = 0

static

Referenced by click_notify(), and handle_mouse_queue().

mouse_event_queue_size

const int mouse_event_queue_size = 100

static

Referenced by click_notify(), and handle_mouse_queue().

mouse_queue

struct mouse_event_queue_element mouse_queue[100]

static

Referenced by click_notify(), and handle_mouse_queue().

tess_array

struct point tess_array[512]

static

Referenced by tessEndCB(), and tessVertexCB().

tess_count

int tess_count

static

Referenced by tessBeginCB(), tessEndCB(), and tessVertexCB().

tess_type

GLenum tess_type

static

Referenced by tessBeginCB(), and tessEndCB().