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/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 4; tab-width: 4 -*- */ |
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/* vim:set et sw=4 ts=4 cino=t0,(0: */ |
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/* |
/* |
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* Copyright (C) Till Harbaum 2009 <till@harbaum.org> |
* Copyright (C) Till Harbaum 2009 <till@harbaum.org> |
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* |
* |
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* with this program. If not, see <http://www.gnu.org/licenses/>. |
* with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
*/ |
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#include "config.h" |
#include "config.h" |
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#include <stdlib.h> // abs |
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#include <math.h> // M_PI |
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/* parameters that can be overwritten from the config file: */ |
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/* OSD_DIAMETER */ |
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/* OSD_X, OSD_Y */ |
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#ifdef USE_CAIRO |
#ifndef USE_CAIRO |
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#include <cairo.h> |
#error "OSD control display lacks a non-cairo implementation!" |
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#endif |
#endif |
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#include <cairo.h> |
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#include "osm-gps-map.h" |
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#include "osm-gps-map-osd-classic.h" |
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//the osd controls |
//the osd controls |
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typedef struct { |
typedef struct { |
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GdkPixmap *backup; |
/* the offscreen representation of the OSD */ |
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cairo_surface_t *overlay; |
cairo_surface_t *overlay; |
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gint backup_x, backup_y; |
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OsmGpsMapOsdGpsCallback cb; |
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gpointer data; |
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} osd_priv_t; |
} osd_priv_t; |
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typedef struct { |
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gpointer priv; |
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} osm_gps_map_osd_t; |
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/* position and extent of bounding box */ |
/* position and extent of bounding box */ |
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#ifndef OSD_X |
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#define OSD_X (10) |
#define OSD_X (10) |
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#define OSD_Y (10) |
#endif |
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#define OSD_COLOR 0.5, 0.5, 1 |
#ifndef OSD_Y |
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#define OSD_COLOR_DISABLED 0.8, 0.8, 0.8 |
#define OSD_Y (10) |
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#endif |
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/* parameters of the direction shape */ |
/* parameters of the direction shape */ |
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#ifndef OSM_GPS_MAP_OSD_DIAMETER |
#ifndef OSD_DIAMETER |
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#define D_RAD (30) // diameter of dpad |
#define D_RAD (30) // diameter of dpad |
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#else |
#else |
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#define D_RAD (OSM_GPS_MAP_OSD_DIAMETER) |
#define D_RAD (OSD_DIAMETER) |
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#endif |
#endif |
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#define D_TIP (4*D_RAD/5) // distance of arrow tip from dpad center |
#define D_TIP (4*D_RAD/5) // distance of arrow tip from dpad center |
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#define D_LEN (D_RAD/4) // length of arrow |
#define D_LEN (D_RAD/4) // length of arrow |
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#define Z_STEP (D_RAD/4) // distance between dpad and zoom |
#define Z_STEP (D_RAD/4) // distance between dpad and zoom |
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#define Z_RAD (D_RAD/2) // radius of "caps" of zoom bar |
#define Z_RAD (D_RAD/2) // radius of "caps" of zoom bar |
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#ifdef OSD_SHADOW_ENABLE |
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/* shadow also depends on control size */ |
/* shadow also depends on control size */ |
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#define OSD_SHADOW (D_RAD/6) |
#define OSD_SHADOW (D_RAD/6) |
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#else |
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#define OSD_SHADOW (0) |
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#endif |
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/* normally the GPS button is in the center of the dpad. if there's */ |
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/* no dpad it will go into the zoom area */ |
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#if defined(OSD_GPS_BUTTON) && defined(OSD_NO_DPAD) |
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#define Z_GPS 1 |
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#else |
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#define Z_GPS 0 |
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#endif |
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/* total width and height of controls incl. shadow */ |
/* total width and height of controls incl. shadow */ |
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#define OSD_W (2*D_RAD + OSD_SHADOW) |
#define OSD_W (2*D_RAD + OSD_SHADOW + Z_GPS * 2 * Z_RAD) |
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#if !Z_GPS |
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#define OSD_H (2*D_RAD + Z_STEP + 2*Z_RAD + OSD_SHADOW) |
#define OSD_H (2*D_RAD + Z_STEP + 2*Z_RAD + OSD_SHADOW) |
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#else |
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#define OSD_H (2*Z_RAD + OSD_SHADOW) |
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#endif |
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#ifdef OSD_SHADOW_ENABLE |
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#define OSD_LBL_SHADOW (OSD_SHADOW/2) |
#define OSD_LBL_SHADOW (OSD_SHADOW/2) |
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#endif |
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#define Z_TOP ((1-Z_GPS) * (2 * D_RAD + Z_STEP)) |
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#define Z_TOP (2 * D_RAD + Z_STEP) |
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#define Z_MID (Z_TOP + Z_RAD) |
#define Z_MID (Z_TOP + Z_RAD) |
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#define Z_BOT (Z_MID + Z_RAD) |
#define Z_BOT (Z_MID + Z_RAD) |
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#define Z_LEFT (Z_RAD) |
#define Z_LEFT (Z_RAD) |
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#define Z_RIGHT (2 * D_RAD - Z_RAD) |
#define Z_RIGHT (2 * D_RAD - Z_RAD + Z_GPS * 2 * Z_RAD) |
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#define Z_CENTER ((Z_RIGHT + Z_LEFT)/2) |
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/* create the cairo shape used for the zoom buttons */ |
/* create the cairo shape used for the zoom buttons */ |
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static void |
static void |
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osm_gps_map_osd_zoom_shape(cairo_t *cr, gint x, gint y) { |
osm_gps_map_osd_zoom_shape(cairo_t *cr, gint x, gint y) |
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{ |
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cairo_move_to (cr, x+Z_LEFT, y+Z_TOP); |
cairo_move_to (cr, x+Z_LEFT, y+Z_TOP); |
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cairo_line_to (cr, x+Z_RIGHT, y+Z_TOP); |
cairo_line_to (cr, x+Z_RIGHT, y+Z_TOP); |
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cairo_arc (cr, x+Z_RIGHT, y+Z_MID, Z_RAD, -M_PI/2, M_PI/2); |
cairo_arc (cr, x+Z_RIGHT, y+Z_MID, Z_RAD, -M_PI/2, M_PI/2); |
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cairo_arc (cr, x+Z_LEFT, y+Z_MID, Z_RAD, M_PI/2, -M_PI/2); |
cairo_arc (cr, x+Z_LEFT, y+Z_MID, Z_RAD, M_PI/2, -M_PI/2); |
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} |
} |
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#ifndef OSD_NO_DPAD |
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/* create the cairo shape used for the dpad */ |
/* create the cairo shape used for the dpad */ |
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static void |
static void |
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osm_gps_map_osd_dpad_shape(cairo_t *cr, gint x, gint y) { |
osm_gps_map_osd_dpad_shape(cairo_t *cr, gint x, gint y) |
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{ |
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cairo_arc (cr, x+D_RAD, y+D_RAD, D_RAD, 0, 2 * M_PI); |
cairo_arc (cr, x+D_RAD, y+D_RAD, D_RAD, 0, 2 * M_PI); |
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} |
} |
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#endif |
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typedef enum { |
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OSD_NONE = 0, |
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OSD_BG, |
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OSD_UP, |
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OSD_DOWN, |
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OSD_LEFT, |
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OSD_RIGHT, |
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OSD_IN, |
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OSD_OUT, |
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OSD_GPS |
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} osd_button_t; |
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static gboolean |
static gboolean |
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osm_gps_map_in_circle(gint x, gint y, gint cx, gint cy, gint rad) |
osm_gps_map_in_circle(gint x, gint y, gint cx, gint cy, gint rad) |
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return( pow(cx - x, 2) + pow(cy - y, 2) < rad * rad); |
return( pow(cx - x, 2) + pow(cy - y, 2) < rad * rad); |
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} |
} |
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#ifndef OSD_NO_DPAD |
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/* check whether x/y is within the dpad */ |
/* check whether x/y is within the dpad */ |
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static osd_button_t |
static osd_button_t |
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osm_gps_map_osd_check_dpad(gint x, gint y) |
osm_gps_map_osd_check_dpad(gint x, gint y) |
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{ |
{ |
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/* within entire dpad circle */ |
/* within entire dpad circle */ |
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if( osm_gps_map_in_circle(x, y, OSD_X + D_RAD, OSD_Y + D_RAD, D_RAD)) |
if( osm_gps_map_in_circle(x, y, D_RAD, D_RAD, D_RAD)) |
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{ |
{ |
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/* convert into position relative to dpads centre */ |
/* convert into position relative to dpads centre */ |
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x -= (OSD_X + D_RAD); |
x -= D_RAD; |
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y -= (OSD_Y + D_RAD); |
y -= D_RAD; |
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#ifdef OSD_GPS_BUTTON |
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/* check for dpad center goes here! */ |
/* check for dpad center goes here! */ |
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if( osm_gps_map_in_circle(x, y, 0, 0, D_RAD/3)) |
if( osm_gps_map_in_circle(x, y, 0, 0, D_RAD/3)) |
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return OSD_GPS; |
return OSD_GPS; |
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#endif |
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if( y < 0 && abs(x) < abs(y)) |
if( y < 0 && abs(x) < abs(y)) |
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return OSD_UP; |
return OSD_UP; |
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} |
} |
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return OSD_NONE; |
return OSD_NONE; |
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} |
} |
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#endif |
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/* check whether x/y is within the zoom pads */ |
/* check whether x/y is within the zoom pads */ |
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static osd_button_t |
static osd_button_t |
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osm_gps_map_osd_check_zoom(gint x, gint y) { |
osm_gps_map_osd_check_zoom(gint x, gint y) { |
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if( x > OSD_X && x < (OSD_X + OSD_W) && y > Z_TOP && y < (OSD_Y+Z_BOT)) { |
if( x > 0 && x < OSD_W && y > Z_TOP && y < Z_BOT) { |
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/* within circle around (-) label */ |
/* within circle around (-) label */ |
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if( osm_gps_map_in_circle(x, y, OSD_X + Z_LEFT, OSD_Y + Z_MID, Z_RAD)) |
if( osm_gps_map_in_circle(x, y, Z_LEFT, Z_MID, Z_RAD)) |
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return OSD_OUT; |
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/* between center of (-) button and center of entire zoom control area */ |
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if(x > OSD_LEFT && x < OSD_X + D_RAD) |
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return OSD_OUT; |
return OSD_OUT; |
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/* within circle around (+) label */ |
/* within circle around (+) label */ |
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if( osm_gps_map_in_circle(x, y, OSD_X + Z_RIGHT, OSD_Y + Z_MID, Z_RAD)) |
if( osm_gps_map_in_circle(x, y, Z_RIGHT, Z_MID, Z_RAD)) |
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return OSD_IN; |
return OSD_IN; |
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#if Z_GPS == 1 |
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/* within square around center */ |
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if( x > Z_CENTER - Z_RAD && x < Z_CENTER + Z_RAD) |
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return OSD_GPS; |
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#endif |
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/* between center of (-) button and center of entire zoom control area */ |
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if(x > OSD_LEFT && x < D_RAD) |
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return OSD_OUT; |
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/* between center of (+) button and center of entire zoom control area */ |
/* between center of (+) button and center of entire zoom control area */ |
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if(x < OSD_RIGHT && x > OSD_X + D_RAD) |
if(x < OSD_RIGHT && x > D_RAD) |
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return OSD_IN; |
return OSD_IN; |
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} |
} |
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} |
} |
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static osd_button_t |
static osd_button_t |
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osm_gps_map_osd_check(gint x, gint y) { |
osm_gps_map_osd_check(osm_gps_map_osd_t *osd, gint x, gint y) { |
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osd_button_t but = OSD_NONE; |
osd_button_t but = OSD_NONE; |
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x -= OSD_X; |
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y -= OSD_Y; |
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if(OSD_X < 0) |
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x -= (osd->widget->allocation.width - OSD_W); |
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if(OSD_Y < 0) |
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y -= (osd->widget->allocation.height - OSD_H); |
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/* first do a rough test for the OSD area. */ |
/* first do a rough test for the OSD area. */ |
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/* this is just to avoid an unnecessary detailed test */ |
/* this is just to avoid an unnecessary detailed test */ |
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if(x > OSD_X && x < OSD_X + OSD_W && |
if(x > 0 && x < OSD_W && y > 0 && y < OSD_H) { |
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y > OSD_Y && y < OSD_Y + OSD_H) { |
#ifndef OSD_NO_DPAD |
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but = osm_gps_map_osd_check_dpad(x, y); |
but = osm_gps_map_osd_check_dpad(x, y); |
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#endif |
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if(but == OSD_NONE) |
if(but == OSD_NONE) |
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but = osm_gps_map_osd_check_zoom(x, y); |
but = osm_gps_map_osd_check_zoom(x, y); |
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return but; |
return but; |
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} |
} |
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#ifdef OSD_SHADOW_ENABLE |
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static void |
static void |
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osm_gps_map_osd_shape_shadow(cairo_t *cr) { |
osm_gps_map_osd_shape_shadow(cairo_t *cr) { |
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cairo_set_source_rgba (cr, 0, 0, 0, 0.2); |
cairo_set_source_rgba (cr, 0, 0, 0, 0.2); |
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cairo_fill (cr); |
cairo_fill (cr); |
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cairo_stroke (cr); |
cairo_stroke (cr); |
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} |
} |
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#endif |
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#ifndef OSD_COLOR |
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/* if no color has been specified we just use the gdks default colors */ |
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static void |
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osm_gps_map_osd_shape(cairo_t *cr, GdkColor *bg, GdkColor *fg) { |
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gdk_cairo_set_source_color(cr, bg); |
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cairo_fill_preserve (cr); |
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gdk_cairo_set_source_color(cr, fg); |
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cairo_set_line_width (cr, 1); |
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cairo_stroke (cr); |
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} |
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#else |
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static void |
static void |
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osm_gps_map_osd_shape(cairo_t *cr) { |
osm_gps_map_osd_shape(cairo_t *cr) { |
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cairo_set_source_rgb (cr, 1, 1, 1); |
cairo_set_source_rgb (cr, OSD_COLOR_BG); |
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cairo_fill_preserve (cr); |
cairo_fill_preserve (cr); |
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cairo_set_source_rgb (cr, OSD_COLOR); |
cairo_set_source_rgb (cr, OSD_COLOR); |
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cairo_set_line_width (cr, 1); |
cairo_set_line_width (cr, 1); |
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cairo_stroke (cr); |
cairo_stroke (cr); |
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} |
} |
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#endif |
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#ifndef OSD_NO_DPAD |
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static void |
static void |
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osm_gps_map_osd_dpad_labels(cairo_t *cr, gint x, gint y) { |
osm_gps_map_osd_dpad_labels(cairo_t *cr, gint x, gint y) { |
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/* move reference to dpad center */ |
/* move reference to dpad center */ |
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cairo_rel_line_to (cr, offset[i][2][0], offset[i][2][1]); |
cairo_rel_line_to (cr, offset[i][2][0], offset[i][2][1]); |
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} |
} |
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} |
} |
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#endif |
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/* draw the sattelite dish icon in the center of the dpad */ |
#ifdef OSD_GPS_BUTTON |
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#define GPS_V0 (D_RAD/8) |
/* draw the satellite dish icon in the center of the dpad */ |
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#define GPS_V0 (D_RAD/7) |
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#define GPS_V1 (D_RAD/10) |
#define GPS_V1 (D_RAD/10) |
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#define GPS_V2 (D_RAD/5) |
#define GPS_V2 (D_RAD/5) |
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/* draw a satellite receiver dish */ |
/* draw a satellite receiver dish */ |
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/* this is either drawn in the center of the dpad (if present) */ |
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/* or in the middle of the zoom area */ |
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static void |
static void |
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osm_gps_map_osd_dpad_gps(cairo_t *cr, gint x, gint y) { |
osm_gps_map_osd_dpad_gps(cairo_t *cr, gint x, gint y) { |
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/* move reference to dpad center */ |
/* move reference to dpad center */ |
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x += D_RAD; |
x += (1-Z_GPS) * D_RAD + Z_GPS * Z_RAD * 3; |
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y += D_RAD + GPS_V0; |
y += (1-Z_GPS) * D_RAD + Z_GPS * Z_RAD + GPS_V0; |
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cairo_move_to (cr, x-GPS_V0, y+GPS_V0); |
cairo_move_to (cr, x-GPS_V0, y+GPS_V0); |
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cairo_rel_line_to (cr, +GPS_V0, -GPS_V0); |
cairo_rel_line_to (cr, +GPS_V0, -GPS_V0); |
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cairo_move_to (cr, x, y-GPS_V2); |
cairo_move_to (cr, x, y-GPS_V2); |
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cairo_rel_line_to (cr, +GPS_V1, -GPS_V1); |
cairo_rel_line_to (cr, +GPS_V1, -GPS_V1); |
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} |
} |
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#endif |
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#define Z_LEN (2*Z_RAD/3) |
#define Z_LEN (2*Z_RAD/3) |
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cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); |
cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); |
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} |
} |
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#ifndef OSD_COLOR |
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/* if no color has been specified we just use the gdks default colors */ |
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static void |
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osm_gps_map_osd_labels(cairo_t *cr, gint width, gboolean enabled, |
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GdkColor *fg, GdkColor *disabled) { |
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if(enabled) gdk_cairo_set_source_color(cr, fg); |
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else gdk_cairo_set_source_color(cr, disabled); |
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cairo_set_line_width (cr, width); |
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cairo_stroke (cr); |
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} |
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#else |
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static void |
static void |
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osm_gps_map_osd_labels(cairo_t *cr, gint width, gboolean enabled) { |
osm_gps_map_osd_labels(cairo_t *cr, gint width, gboolean enabled) { |
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if(enabled) cairo_set_source_rgb (cr, OSD_COLOR); |
if(enabled) cairo_set_source_rgb (cr, OSD_COLOR); |
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cairo_set_line_width (cr, width); |
cairo_set_line_width (cr, width); |
337 |
cairo_stroke (cr); |
cairo_stroke (cr); |
338 |
} |
} |
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#endif |
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#ifdef OSD_SHADOW_ENABLE |
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static void |
static void |
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osm_gps_map_osd_labels_shadow(cairo_t *cr, gint width, gboolean enabled) { |
osm_gps_map_osd_labels_shadow(cairo_t *cr, gint width, gboolean enabled) { |
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cairo_set_source_rgba (cr, 0, 0, 0, enabled?0.3:0.15); |
cairo_set_source_rgba (cr, 0, 0, 0, enabled?0.3:0.15); |
345 |
cairo_set_line_width (cr, width); |
cairo_set_line_width (cr, width); |
346 |
cairo_stroke (cr); |
cairo_stroke (cr); |
347 |
} |
} |
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#endif |
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static void |
static void |
351 |
osm_gps_map_osd_render(OsmGpsMapPrivate *priv) { |
osm_gps_map_osd_render(osm_gps_map_osd_t *osd) { |
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osd_priv_t *priv = (osd_priv_t*)osd->priv; |
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/* first fill with transparency */ |
/* first fill with transparency */ |
355 |
cairo_t *cr = cairo_create(priv->osd.overlay); |
cairo_t *cr = cairo_create(priv->overlay); |
356 |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
357 |
cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); |
cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); |
358 |
cairo_paint(cr); |
cairo_paint(cr); |
359 |
|
|
360 |
|
#ifndef OSD_COLOR |
361 |
|
GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; |
362 |
|
GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; |
363 |
|
GdkColor da = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_INSENSITIVE]; |
364 |
|
#endif |
365 |
|
|
366 |
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
367 |
|
|
368 |
/* --------- draw zoom and dpad shape shadow ----------- */ |
/* --------- draw zoom and dpad shape shadow ----------- */ |
369 |
gint x = 0, y = 0; |
gint x = 0, y = 0; |
370 |
|
|
371 |
|
#ifdef OSD_SHADOW_ENABLE |
372 |
osm_gps_map_osd_zoom_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW); |
osm_gps_map_osd_zoom_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW); |
373 |
osm_gps_map_osd_shape_shadow(cr); |
osm_gps_map_osd_shape_shadow(cr); |
374 |
|
#ifndef OSD_NO_DPAD |
375 |
osm_gps_map_osd_dpad_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW); |
osm_gps_map_osd_dpad_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW); |
376 |
osm_gps_map_osd_shape_shadow(cr); |
osm_gps_map_osd_shape_shadow(cr); |
377 |
|
#endif |
378 |
|
#endif |
379 |
|
|
380 |
/* --------- draw zoom and dpad shape ----------- */ |
/* --------- draw zoom and dpad shape ----------- */ |
381 |
|
|
382 |
osm_gps_map_osd_zoom_shape(cr, x, y); |
osm_gps_map_osd_zoom_shape(cr, x, y); |
383 |
|
#ifndef OSD_COLOR |
384 |
|
osm_gps_map_osd_shape(cr, &bg, &fg); |
385 |
|
#else |
386 |
osm_gps_map_osd_shape(cr); |
osm_gps_map_osd_shape(cr); |
387 |
|
#endif |
388 |
|
#ifndef OSD_NO_DPAD |
389 |
osm_gps_map_osd_dpad_shape(cr, x, y); |
osm_gps_map_osd_dpad_shape(cr, x, y); |
390 |
|
#ifndef OSD_COLOR |
391 |
|
osm_gps_map_osd_shape(cr, &bg, &fg); |
392 |
|
#else |
393 |
osm_gps_map_osd_shape(cr); |
osm_gps_map_osd_shape(cr); |
394 |
|
#endif |
395 |
|
#endif |
396 |
|
|
397 |
/* --------- draw zoom and dpad labels --------- */ |
/* --------- draw zoom and dpad labels --------- */ |
398 |
|
|
399 |
|
#ifdef OSD_SHADOW_ENABLE |
400 |
osm_gps_map_osd_zoom_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); |
osm_gps_map_osd_zoom_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); |
401 |
|
#ifndef OSD_NO_DPAD |
402 |
osm_gps_map_osd_dpad_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); |
osm_gps_map_osd_dpad_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); |
403 |
|
#endif |
404 |
osm_gps_map_osd_labels_shadow(cr, Z_RAD/3, TRUE); |
osm_gps_map_osd_labels_shadow(cr, Z_RAD/3, TRUE); |
405 |
|
#ifdef OSD_GPS_BUTTON |
406 |
osm_gps_map_osd_dpad_gps(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); |
osm_gps_map_osd_dpad_gps(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); |
407 |
osm_gps_map_osd_labels_shadow(cr, Z_RAD/6, priv->osd.cb != NULL); |
osm_gps_map_osd_labels_shadow(cr, Z_RAD/6, osd->cb != NULL); |
408 |
|
#endif |
409 |
|
#endif |
410 |
|
|
411 |
osm_gps_map_osd_zoom_labels(cr, x, y); |
osm_gps_map_osd_zoom_labels(cr, x, y); |
412 |
|
#ifndef OSD_NO_DPAD |
413 |
osm_gps_map_osd_dpad_labels(cr, x, y); |
osm_gps_map_osd_dpad_labels(cr, x, y); |
414 |
|
#endif |
415 |
|
#ifndef OSD_COLOR |
416 |
|
osm_gps_map_osd_labels(cr, Z_RAD/3, TRUE, &fg, &da); |
417 |
|
#else |
418 |
osm_gps_map_osd_labels(cr, Z_RAD/3, TRUE); |
osm_gps_map_osd_labels(cr, Z_RAD/3, TRUE); |
419 |
|
#endif |
420 |
|
#ifdef OSD_GPS_BUTTON |
421 |
osm_gps_map_osd_dpad_gps(cr, x, y); |
osm_gps_map_osd_dpad_gps(cr, x, y); |
422 |
osm_gps_map_osd_labels(cr, Z_RAD/6, priv->osd.cb != NULL); |
#ifndef OSD_COLOR |
423 |
|
osm_gps_map_osd_labels(cr, Z_RAD/6, osd->cb != NULL, &fg, &da); |
424 |
|
#else |
425 |
|
osm_gps_map_osd_labels(cr, Z_RAD/6, osd->cb != NULL); |
426 |
|
#endif |
427 |
|
#endif |
428 |
|
|
429 |
cairo_destroy(cr); |
cairo_destroy(cr); |
430 |
} |
} |
431 |
|
|
432 |
static void |
static void |
433 |
osm_gps_map_osd_draw_controls (OsmGpsMap *map, gint xoffset, gint yoffset) |
osm_gps_map_osd_draw(osm_gps_map_osd_t *osd, GdkDrawable *drawable) |
434 |
{ |
{ |
435 |
OsmGpsMapPrivate *priv = map->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
|
|
|
|
/* backup previous contents */ |
|
|
if(!priv->osd.backup) |
|
|
priv->osd.backup = gdk_pixmap_new(priv->pixmap, OSD_W+2, OSD_H+2, -1); |
|
|
|
|
|
gint x = OSD_X + EXTRA_BORDER + xoffset; |
|
|
gint y = OSD_Y + EXTRA_BORDER + yoffset; |
|
|
|
|
|
/* create backup of background */ |
|
|
gdk_draw_drawable(priv->osd.backup, |
|
|
GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(GTK_WIDGET(map))], |
|
|
priv->pixmap, x-1, y-1, 0, 0, OSD_W+2, OSD_H+2); |
|
|
|
|
|
priv->osd.backup_x = x-1; |
|
|
priv->osd.backup_y = y-1; |
|
|
|
|
436 |
|
|
|
#ifdef USE_CAIRO |
|
437 |
/* OSD itself uses some off-screen rendering, so check if the */ |
/* OSD itself uses some off-screen rendering, so check if the */ |
438 |
/* offscreen buffer is present and create it if not */ |
/* offscreen buffer is present and create it if not */ |
439 |
if(!priv->osd.overlay) { |
if(!priv->overlay) { |
440 |
/* create overlay ... */ |
/* create overlay ... */ |
441 |
priv->osd.overlay = |
priv->overlay = |
442 |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, OSD_W, OSD_H); |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, OSD_W, OSD_H); |
443 |
/* ... and render it */ |
/* ... and render it */ |
444 |
osm_gps_map_osd_render(priv); |
osm_gps_map_osd_render(osd); |
445 |
} |
} |
446 |
|
|
447 |
// now draw this onto the original context |
// now draw this onto the original context |
448 |
cairo_t *cr = gdk_cairo_create(priv->pixmap); |
cairo_t *cr = gdk_cairo_create(drawable); |
|
cairo_set_source_surface(cr, priv->osd.overlay, x, y); |
|
|
cairo_paint(cr); |
|
|
cairo_destroy(cr); |
|
|
|
|
|
#else |
|
|
#warning "OSD control display lacks a non-cairo implementation!" |
|
|
#endif |
|
|
} |
|
|
|
|
|
static void |
|
|
osm_gps_map_osd_restore (OsmGpsMap *map) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv = map->priv; |
|
|
|
|
|
/* restore backup of previous contents */ |
|
|
if(priv->osd.backup) { |
|
|
/* create backup of background */ |
|
|
gdk_draw_drawable(priv->pixmap, |
|
|
GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(GTK_WIDGET(map))], |
|
|
priv->osd.backup, 0, 0, |
|
|
priv->osd.backup_x, priv->osd.backup_y, OSD_W+2, OSD_H+2); |
|
|
} |
|
|
} |
|
|
|
|
|
#endif |
|
|
|
|
|
static gboolean |
|
|
osm_gps_map_map_redraw (OsmGpsMap *map) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv = map->priv; |
|
|
|
|
|
priv->idle_map_redraw = 0; |
|
|
|
|
|
/* the motion_notify handler uses priv->pixmap to redraw the area; if we |
|
|
* change it while we are dragging, we will end up showing it in the wrong |
|
|
* place. This could be fixed by carefully recompute the coordinates, but |
|
|
* for now it's easier just to disable redrawing the map while dragging */ |
|
|
if (priv->dragging) |
|
|
return FALSE; |
|
|
|
|
|
priv->redraw_cycle++; |
|
|
|
|
|
/* draw white background to initialise pixmap */ |
|
|
gdk_draw_rectangle ( |
|
|
priv->pixmap, |
|
|
GTK_WIDGET(map)->style->white_gc, |
|
|
TRUE, |
|
|
0, 0, |
|
|
GTK_WIDGET(map)->allocation.width + EXTRA_BORDER * 2, |
|
|
GTK_WIDGET(map)->allocation.height + EXTRA_BORDER * 2); |
|
|
|
|
|
osm_gps_map_fill_tiles_pixel(map); |
|
|
|
|
|
osm_gps_map_print_tracks(map); |
|
|
osm_gps_map_draw_gps_point(map); |
|
|
osm_gps_map_print_images(map); |
|
|
#ifdef ENABLE_BALLOON |
|
|
osm_gps_map_draw_balloon_int(map); |
|
|
#endif |
|
|
#ifdef ENABLE_OSD |
|
|
osm_gps_map_osd_draw_controls(map, 0, 0); |
|
|
#endif |
|
|
|
|
|
//osm_gps_map_osd_speed(map, 1.5); |
|
|
osm_gps_map_purge_cache(map); |
|
|
gtk_widget_queue_draw (GTK_WIDGET (map)); |
|
|
|
|
|
return FALSE; |
|
|
} |
|
|
|
|
|
static void |
|
|
osm_gps_map_map_redraw_idle (OsmGpsMap *map) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv = map->priv; |
|
|
|
|
|
if (priv->idle_map_redraw == 0) |
|
|
priv->idle_map_redraw = g_idle_add ((GSourceFunc)osm_gps_map_map_redraw, map); |
|
|
} |
|
|
|
|
|
static void |
|
|
osm_gps_map_init (OsmGpsMap *object) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv; |
|
|
|
|
|
priv = G_TYPE_INSTANCE_GET_PRIVATE (object, OSM_TYPE_GPS_MAP, OsmGpsMapPrivate); |
|
|
object->priv = priv; |
|
|
|
|
|
priv->pixmap = NULL; |
|
|
|
|
|
priv->trip_history = NULL; |
|
|
priv->gps = g_new0(coord_t, 1); |
|
|
priv->gps_valid = FALSE; |
|
|
|
|
|
#ifdef ENABLE_BALLOON |
|
|
priv->balloon.coo = g_new0(coord_t, 1); |
|
|
priv->balloon.valid = FALSE; |
|
|
priv->balloon.cb = NULL; |
|
|
#endif |
|
|
|
|
|
#ifdef ENABLE_OSD |
|
|
priv->osd.backup = NULL; |
|
|
priv->osd.overlay = NULL; |
|
|
priv->osd.cb = NULL; |
|
|
#endif |
|
|
|
|
|
priv->tracks = NULL; |
|
|
priv->images = NULL; |
|
|
|
|
|
priv->drag_counter = 0; |
|
|
priv->drag_mouse_dx = 0; |
|
|
priv->drag_mouse_dy = 0; |
|
|
priv->drag_start_mouse_x = 0; |
|
|
priv->drag_start_mouse_y = 0; |
|
|
|
|
|
priv->uri_format = 0; |
|
|
priv->the_google = FALSE; |
|
|
|
|
|
priv->map_source = -1; |
|
|
|
|
|
#ifndef LIBSOUP22 |
|
|
//Change naumber of concurrent connections option? |
|
|
priv->soup_session = soup_session_async_new_with_options( |
|
|
SOUP_SESSION_USER_AGENT, |
|
|
"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11", |
|
|
NULL); |
|
|
#else |
|
|
/* libsoup-2.2 seems not to be able to set the user agent */ |
|
|
priv->soup_session = soup_session_async_new(); |
|
|
#endif |
|
|
|
|
|
//Hash table which maps tile d/l URIs to SoupMessage requests |
|
|
priv->tile_queue = g_hash_table_new (g_str_hash, g_str_equal); |
|
|
|
|
|
//Some mapping providers (Google) have varying degrees of tiles at multiple |
|
|
//zoom levels |
|
|
priv->missing_tiles = g_hash_table_new (g_str_hash, g_str_equal); |
|
|
|
|
|
/* memory cache for most recently used tiles */ |
|
|
priv->tile_cache = g_hash_table_new_full (g_str_hash, g_str_equal, |
|
|
g_free, (GDestroyNotify)cached_tile_free); |
|
|
priv->max_tile_cache_size = 20; |
|
|
|
|
|
gtk_widget_add_events (GTK_WIDGET (object), |
|
|
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | |
|
|
GDK_POINTER_MOTION_MASK | |
|
|
GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); |
|
|
GTK_WIDGET_SET_FLAGS (object, GTK_CAN_FOCUS); |
|
|
|
|
|
g_log_set_handler (G_LOG_DOMAIN, G_LOG_LEVEL_MASK, my_log_handler, NULL); |
|
|
} |
|
|
|
|
|
#ifndef G_CHECKSUM_MD5 |
|
|
/* simple hash algorithm hack if md5 is not present */ |
|
|
static char *simple_hash(char *str) { |
|
|
union { |
|
|
char str[4]; |
|
|
gulong val; |
|
|
} hash = { .val = 0x55555555 }; |
|
|
|
|
|
while(*str) { |
|
|
hash.str[(int)str & 3] ^= *str; |
|
|
str++; |
|
|
} |
|
|
return g_strdup_printf("%08lX", hash.val); |
|
|
} |
|
|
#endif |
|
|
|
|
|
static GObject * |
|
|
osm_gps_map_constructor (GType gtype, guint n_properties, GObjectConstructParam *properties) |
|
|
{ |
|
|
GObject *object; |
|
|
OsmGpsMapPrivate *priv; |
|
|
OsmGpsMap *map; |
|
|
const char *uri; |
|
|
|
|
|
//Always chain up to the parent constructor |
|
|
object = G_OBJECT_CLASS(osm_gps_map_parent_class)->constructor(gtype, n_properties, properties); |
|
|
map = OSM_GPS_MAP(object); |
|
|
priv = OSM_GPS_MAP_PRIVATE(object); |
|
|
|
|
|
//user can specify a map source ID, or a repo URI as the map source |
|
|
uri = osm_gps_map_source_get_repo_uri(OSM_GPS_MAP_SOURCE_NULL); |
|
|
if ( (priv->map_source == 0) || (strcmp(priv->repo_uri, uri) == 0) ) { |
|
|
g_debug("Using null source"); |
|
|
priv->map_source = OSM_GPS_MAP_SOURCE_NULL; |
|
|
|
|
|
priv->null_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 256, 256); |
|
|
gdk_pixbuf_fill(priv->null_tile, 0xcccccc00); |
|
|
} |
|
|
else if (priv->map_source >= 0) { |
|
|
//check if the source given is valid |
|
|
uri = osm_gps_map_source_get_repo_uri(priv->map_source); |
|
|
if (uri) { |
|
|
g_debug("Setting map source from ID"); |
|
|
g_free(priv->repo_uri); |
|
|
|
|
|
priv->repo_uri = g_strdup(uri); |
|
|
priv->image_format = g_strdup( |
|
|
osm_gps_map_source_get_image_format(priv->map_source)); |
|
|
priv->max_zoom = osm_gps_map_source_get_max_zoom(priv->map_source); |
|
|
priv->min_zoom = osm_gps_map_source_get_min_zoom(priv->map_source); |
|
|
} |
|
|
} |
|
|
|
|
|
if (!priv->cache_dir_is_full_path) { |
|
|
#ifdef G_CHECKSUM_MD5 |
|
|
char *md5 = g_compute_checksum_for_string (G_CHECKSUM_MD5, priv->repo_uri, -1); |
|
|
#else |
|
|
char *md5 = simple_hash(priv->repo_uri); |
|
|
#endif |
|
|
|
|
|
if (priv->cache_dir) { |
|
|
char *old = priv->cache_dir; |
|
|
//the new cachedir is the given cache dir + the md5 of the repo_uri |
|
|
priv->cache_dir = g_strdup_printf("%s%c%s", old, G_DIR_SEPARATOR, md5); |
|
|
g_debug("Adjusting cache dir %s -> %s", old, priv->cache_dir); |
|
|
g_free(old); |
|
|
} else { |
|
|
//the new cachedir is the current dir + the md5 of the repo_uri |
|
|
priv->cache_dir = g_strdup(md5); |
|
|
} |
|
|
|
|
|
g_free(md5); |
|
|
} |
|
|
|
|
|
inspect_map_uri(map); |
|
|
|
|
|
return object; |
|
|
} |
|
|
|
|
|
static void |
|
|
osm_gps_map_dispose (GObject *object) |
|
|
{ |
|
|
OsmGpsMap *map = OSM_GPS_MAP(object); |
|
|
OsmGpsMapPrivate *priv = map->priv; |
|
|
|
|
|
if (priv->is_disposed) |
|
|
return; |
|
|
|
|
|
priv->is_disposed = TRUE; |
|
|
|
|
|
soup_session_abort(priv->soup_session); |
|
|
g_object_unref(priv->soup_session); |
|
|
|
|
|
g_hash_table_destroy(priv->tile_queue); |
|
|
g_hash_table_destroy(priv->missing_tiles); |
|
|
g_hash_table_destroy(priv->tile_cache); |
|
|
|
|
|
osm_gps_map_free_images(map); |
|
|
|
|
|
if(priv->pixmap) |
|
|
g_object_unref (priv->pixmap); |
|
|
|
|
|
if (priv->null_tile) |
|
|
g_object_unref (priv->null_tile); |
|
|
|
|
|
if(priv->gc_map) |
|
|
g_object_unref(priv->gc_map); |
|
|
|
|
|
if (priv->idle_map_redraw != 0) |
|
|
g_source_remove (priv->idle_map_redraw); |
|
|
|
|
|
g_free(priv->gps); |
|
|
|
|
|
#ifdef ENABLE_BALLOON |
|
|
g_free(priv->balloon.coo); |
|
|
#endif |
|
|
|
|
|
#ifdef ENABLE_OSD |
|
|
if (priv->osd.backup) |
|
|
g_object_unref(priv->osd.backup); |
|
|
|
|
|
if (priv->osd.overlay) |
|
|
cairo_surface_destroy(priv->osd.overlay); |
|
|
#endif |
|
|
|
|
|
G_OBJECT_CLASS (osm_gps_map_parent_class)->dispose (object); |
|
|
} |
|
|
|
|
|
static void |
|
|
osm_gps_map_finalize (GObject *object) |
|
|
{ |
|
|
OsmGpsMap *map = OSM_GPS_MAP(object); |
|
|
OsmGpsMapPrivate *priv = map->priv; |
|
|
|
|
|
g_free(priv->cache_dir); |
|
|
g_free(priv->repo_uri); |
|
|
g_free(priv->image_format); |
|
|
|
|
|
osm_gps_map_free_trip(map); |
|
|
osm_gps_map_free_tracks(map); |
|
|
|
|
|
G_OBJECT_CLASS (osm_gps_map_parent_class)->finalize (object); |
|
|
} |
|
|
|
|
|
static void |
|
|
osm_gps_map_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) |
|
|
{ |
|
|
g_return_if_fail (OSM_IS_GPS_MAP (object)); |
|
|
OsmGpsMap *map = OSM_GPS_MAP(object); |
|
|
OsmGpsMapPrivate *priv = map->priv; |
|
|
|
|
|
switch (prop_id) |
|
|
{ |
|
|
case PROP_AUTO_CENTER: |
|
|
priv->map_auto_center = g_value_get_boolean (value); |
|
|
break; |
|
|
case PROP_RECORD_TRIP_HISTORY: |
|
|
priv->record_trip_history = g_value_get_boolean (value); |
|
|
break; |
|
|
case PROP_SHOW_TRIP_HISTORY: |
|
|
priv->show_trip_history = g_value_get_boolean (value); |
|
|
break; |
|
|
case PROP_AUTO_DOWNLOAD: |
|
|
priv->map_auto_download = g_value_get_boolean (value); |
|
|
break; |
|
|
case PROP_REPO_URI: |
|
|
priv->repo_uri = g_value_dup_string (value); |
|
|
break; |
|
|
case PROP_PROXY_URI: |
|
|
if ( g_value_get_string(value) ) { |
|
|
priv->proxy_uri = g_value_dup_string (value); |
|
|
g_debug("Setting proxy server: %s", priv->proxy_uri); |
|
|
|
|
|
#ifndef LIBSOUP22 |
|
|
GValue val = {0}; |
|
|
|
|
|
SoupURI* uri = soup_uri_new(priv->proxy_uri); |
|
|
g_value_init(&val, SOUP_TYPE_URI); |
|
|
g_value_take_boxed(&val, uri); |
|
|
|
|
|
g_object_set_property(G_OBJECT(priv->soup_session),SOUP_SESSION_PROXY_URI,&val); |
|
|
#else |
|
|
SoupUri* uri = soup_uri_new(priv->proxy_uri); |
|
|
g_object_set(G_OBJECT(priv->soup_session), SOUP_SESSION_PROXY_URI, uri, NULL); |
|
|
#endif |
|
|
} else |
|
|
priv->proxy_uri = NULL; |
|
|
|
|
|
break; |
|
|
case PROP_TILE_CACHE_DIR: |
|
|
if ( g_value_get_string(value) ) |
|
|
priv->cache_dir = g_value_dup_string (value); |
|
|
break; |
|
|
case PROP_TILE_CACHE_DIR_IS_FULL_PATH: |
|
|
priv->cache_dir_is_full_path = g_value_get_boolean (value); |
|
|
break; |
|
|
case PROP_ZOOM: |
|
|
priv->map_zoom = g_value_get_int (value); |
|
|
break; |
|
|
case PROP_MAX_ZOOM: |
|
|
priv->max_zoom = g_value_get_int (value); |
|
|
break; |
|
|
case PROP_MIN_ZOOM: |
|
|
priv->min_zoom = g_value_get_int (value); |
|
|
break; |
|
|
case PROP_MAP_X: |
|
|
priv->map_x = g_value_get_int (value); |
|
|
priv->center_coord_set = FALSE; |
|
|
break; |
|
|
case PROP_MAP_Y: |
|
|
priv->map_y = g_value_get_int (value); |
|
|
priv->center_coord_set = FALSE; |
|
|
break; |
|
|
case PROP_GPS_TRACK_WIDTH: |
|
|
priv->ui_gps_track_width = g_value_get_int (value); |
|
|
break; |
|
|
case PROP_GPS_POINT_R1: |
|
|
priv->ui_gps_point_inner_radius = g_value_get_int (value); |
|
|
break; |
|
|
case PROP_GPS_POINT_R2: |
|
|
priv->ui_gps_point_outer_radius = g_value_get_int (value); |
|
|
break; |
|
|
case PROP_MAP_SOURCE: |
|
|
priv->map_source = g_value_get_int (value); |
|
|
break; |
|
|
case PROP_IMAGE_FORMAT: |
|
|
priv->image_format = g_value_dup_string (value); |
|
|
break; |
|
|
default: |
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
|
|
break; |
|
|
} |
|
|
} |
|
|
|
|
|
static void |
|
|
osm_gps_map_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) |
|
|
{ |
|
|
g_return_if_fail (OSM_IS_GPS_MAP (object)); |
|
|
float lat,lon; |
|
|
OsmGpsMap *map = OSM_GPS_MAP(object); |
|
|
OsmGpsMapPrivate *priv = map->priv; |
|
|
|
|
|
switch (prop_id) |
|
|
{ |
|
|
case PROP_AUTO_CENTER: |
|
|
g_value_set_boolean(value, priv->map_auto_center); |
|
|
break; |
|
|
case PROP_RECORD_TRIP_HISTORY: |
|
|
g_value_set_boolean(value, priv->record_trip_history); |
|
|
break; |
|
|
case PROP_SHOW_TRIP_HISTORY: |
|
|
g_value_set_boolean(value, priv->show_trip_history); |
|
|
break; |
|
|
case PROP_AUTO_DOWNLOAD: |
|
|
g_value_set_boolean(value, priv->map_auto_download); |
|
|
break; |
|
|
case PROP_REPO_URI: |
|
|
g_value_set_string(value, priv->repo_uri); |
|
|
break; |
|
|
case PROP_PROXY_URI: |
|
|
g_value_set_string(value, priv->proxy_uri); |
|
|
break; |
|
|
case PROP_TILE_CACHE_DIR: |
|
|
g_value_set_string(value, priv->cache_dir); |
|
|
break; |
|
|
case PROP_TILE_CACHE_DIR_IS_FULL_PATH: |
|
|
g_value_set_boolean(value, priv->cache_dir_is_full_path); |
|
|
break; |
|
|
case PROP_ZOOM: |
|
|
g_value_set_int(value, priv->map_zoom); |
|
|
break; |
|
|
case PROP_MAX_ZOOM: |
|
|
g_value_set_int(value, priv->max_zoom); |
|
|
break; |
|
|
case PROP_MIN_ZOOM: |
|
|
g_value_set_int(value, priv->min_zoom); |
|
|
break; |
|
|
case PROP_LATITUDE: |
|
|
lat = pixel2lat(priv->map_zoom, |
|
|
priv->map_y + (GTK_WIDGET(map)->allocation.height / 2)); |
|
|
g_value_set_float(value, rad2deg(lat)); |
|
|
break; |
|
|
case PROP_LONGITUDE: |
|
|
lon = pixel2lon(priv->map_zoom, |
|
|
priv->map_x + (GTK_WIDGET(map)->allocation.width / 2)); |
|
|
g_value_set_float(value, rad2deg(lon)); |
|
|
break; |
|
|
case PROP_MAP_X: |
|
|
g_value_set_int(value, priv->map_x); |
|
|
break; |
|
|
case PROP_MAP_Y: |
|
|
g_value_set_int(value, priv->map_y); |
|
|
break; |
|
|
case PROP_TILES_QUEUED: |
|
|
g_value_set_int(value, g_hash_table_size(priv->tile_queue)); |
|
|
break; |
|
|
case PROP_GPS_TRACK_WIDTH: |
|
|
g_value_set_int(value, priv->ui_gps_track_width); |
|
|
break; |
|
|
case PROP_GPS_POINT_R1: |
|
|
g_value_set_int(value, priv->ui_gps_point_inner_radius); |
|
|
break; |
|
|
case PROP_GPS_POINT_R2: |
|
|
g_value_set_int(value, priv->ui_gps_point_outer_radius); |
|
|
break; |
|
|
case PROP_MAP_SOURCE: |
|
|
g_value_set_int(value, priv->map_source); |
|
|
break; |
|
|
case PROP_IMAGE_FORMAT: |
|
|
g_value_set_string(value, priv->image_format); |
|
|
break; |
|
|
default: |
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
|
|
break; |
|
|
} |
|
|
} |
|
|
|
|
|
static gboolean |
|
|
osm_gps_map_scroll_event (GtkWidget *widget, GdkEventScroll *event) |
|
|
{ |
|
|
OsmGpsMap *map = OSM_GPS_MAP(widget); |
|
|
OsmGpsMapPrivate *priv = map->priv; |
|
|
|
|
|
if (event->direction == GDK_SCROLL_UP) |
|
|
{ |
|
|
osm_gps_map_set_zoom(map, priv->map_zoom+1); |
|
|
} |
|
|
else |
|
|
{ |
|
|
osm_gps_map_set_zoom(map, priv->map_zoom-1); |
|
|
} |
|
|
|
|
|
return FALSE; |
|
|
} |
|
|
|
|
|
static gboolean |
|
|
osm_gps_map_button_press (GtkWidget *widget, GdkEventButton *event) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
|
|
|
|
|
#ifdef ENABLE_BALLOON |
|
|
/* don't drag if the user clicked within the balloon */ |
|
|
if (osm_gps_map_in_balloon(priv, |
|
|
event->x + EXTRA_BORDER, |
|
|
event->y + EXTRA_BORDER)) |
|
|
{ |
|
|
priv->drag_counter = -1; |
|
|
return FALSE; |
|
|
} |
|
|
#endif |
|
449 |
|
|
450 |
#ifdef ENABLE_OSD |
int x = OSD_X, y = OSD_Y; |
451 |
#define SCROLL_STEP 10 |
if(OSD_X < 0) |
452 |
|
x = osd->widget->allocation.width - OSD_W + OSD_X; |
453 |
|
|
454 |
/* pressed inside OSD control? */ |
if(OSD_Y < 0) |
455 |
osd_button_t but = osm_gps_map_osd_check(event->x, event->y); |
y = osd->widget->allocation.height - OSD_H + OSD_Y; |
|
if(but != OSD_NONE) |
|
|
{ |
|
|
priv->drag_counter = -1; |
|
|
|
|
|
switch(but) { |
|
|
case OSD_GPS: |
|
|
priv->osd.cb(priv->osd.data); |
|
|
break; |
|
|
|
|
|
case OSD_UP: |
|
|
priv->map_y -= GTK_WIDGET(widget)->allocation.height/SCROLL_STEP; |
|
|
priv->center_coord_set = FALSE; |
|
|
break; |
|
|
|
|
|
case OSD_DOWN: |
|
|
priv->map_y += GTK_WIDGET(widget)->allocation.height/SCROLL_STEP; |
|
|
priv->center_coord_set = FALSE; |
|
|
break; |
|
|
|
|
|
case OSD_LEFT: |
|
|
priv->map_x -= GTK_WIDGET(widget)->allocation.width/SCROLL_STEP; |
|
|
priv->center_coord_set = FALSE; |
|
|
break; |
|
|
|
|
|
case OSD_RIGHT: |
|
|
priv->map_x += GTK_WIDGET(widget)->allocation.width/SCROLL_STEP; |
|
|
priv->center_coord_set = FALSE; |
|
|
break; |
|
|
|
|
|
case OSD_IN: |
|
|
osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom+1); |
|
|
break; |
|
|
|
|
|
case OSD_OUT: |
|
|
osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom-1); |
|
|
break; |
|
|
|
|
|
default: |
|
|
break; |
|
|
} |
|
|
|
|
|
osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
|
|
|
|
|
return FALSE; |
|
|
} |
|
|
#endif |
|
|
|
|
|
priv->drag_counter = 0; |
|
|
priv->drag_start_mouse_x = (int) event->x; |
|
|
priv->drag_start_mouse_y = (int) event->y; |
|
|
priv->drag_start_map_x = priv->map_x; |
|
|
priv->drag_start_map_y = priv->map_y; |
|
|
|
|
|
return FALSE; |
|
|
} |
|
|
|
|
|
static gboolean |
|
|
osm_gps_map_button_release (GtkWidget *widget, GdkEventButton *event) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
|
|
|
|
|
#ifdef ENABLE_BALLOON |
|
|
/* released inside the balloon? */ |
|
|
if (osm_gps_map_in_balloon(priv, |
|
|
event->x + EXTRA_BORDER, |
|
|
event->y + EXTRA_BORDER)) |
|
|
{ |
|
|
osm_gps_map_handle_balloon_click(OSM_GPS_MAP(widget), |
|
|
event->x - priv->balloon.rect.x + EXTRA_BORDER, |
|
|
event->y - priv->balloon.rect.y + EXTRA_BORDER); |
|
|
} |
|
|
#endif |
|
|
|
|
|
if (priv->dragging) |
|
|
{ |
|
|
priv->dragging = FALSE; |
|
|
|
|
|
priv->map_x = priv->drag_start_map_x; |
|
|
priv->map_y = priv->drag_start_map_y; |
|
|
|
|
|
priv->map_x += (priv->drag_start_mouse_x - (int) event->x); |
|
|
priv->map_y += (priv->drag_start_mouse_y - (int) event->y); |
|
|
|
|
|
priv->center_coord_set = FALSE; |
|
|
|
|
|
osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
|
|
} |
|
|
|
|
|
priv->drag_mouse_dx = 0; |
|
|
priv->drag_mouse_dy = 0; |
|
|
priv->drag_counter = -1; |
|
|
|
|
|
return FALSE; |
|
|
} |
|
|
|
|
|
static gboolean |
|
|
osm_gps_map_expose (GtkWidget *widget, GdkEventExpose *event); |
|
|
|
|
|
static gboolean |
|
|
osm_gps_map_motion_notify (GtkWidget *widget, GdkEventMotion *event) |
|
|
{ |
|
|
int x, y; |
|
|
GdkModifierType state; |
|
|
OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
|
|
|
|
|
if (event->is_hint) |
|
|
gdk_window_get_pointer (event->window, &x, &y, &state); |
|
|
else |
|
|
{ |
|
|
x = event->x; |
|
|
y = event->y; |
|
|
state = event->state; |
|
|
} |
|
|
|
|
|
// are we being dragged |
|
|
if (!(state & GDK_BUTTON1_MASK)) |
|
|
return FALSE; |
|
|
|
|
|
if (priv->drag_counter < 0) |
|
|
return FALSE; |
|
|
|
|
|
priv->drag_counter++; |
|
|
|
|
|
// we havent dragged more than 6 pixels |
|
|
if (priv->drag_counter < 6) |
|
|
return FALSE; |
|
|
|
|
|
#ifdef USE_MAEMO |
|
|
/* reduce update frequency on maemo to keep screen update fluid */ |
|
|
static guint32 last_time = 0; |
|
|
|
|
|
if(event->time - last_time < 100) return FALSE; |
|
|
last_time = event->time; |
|
|
#endif |
|
|
|
|
|
priv->dragging = TRUE; |
|
|
|
|
|
if (priv->map_auto_center) |
|
|
g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
|
|
|
|
|
priv->drag_mouse_dx = x - priv->drag_start_mouse_x; |
|
|
priv->drag_mouse_dy = y - priv->drag_start_mouse_y; |
|
|
|
|
|
#ifdef ENABLE_OSD |
|
|
/* undo OSD */ |
|
|
osm_gps_map_osd_restore (OSM_GPS_MAP(widget)); |
|
|
|
|
|
/* draw new OSD */ |
|
|
osm_gps_map_osd_draw_controls (OSM_GPS_MAP(widget), |
|
|
-priv->drag_mouse_dx, |
|
|
-priv->drag_mouse_dy); |
|
|
#endif |
|
|
|
|
|
osm_gps_map_expose (widget, NULL); |
|
|
|
|
|
|
|
|
return FALSE; |
|
|
} |
|
|
|
|
|
static gboolean |
|
|
osm_gps_map_configure (GtkWidget *widget, GdkEventConfigure *event) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
|
|
|
|
|
/* create pixmap */ |
|
|
if (priv->pixmap) |
|
|
g_object_unref (priv->pixmap); |
|
|
|
|
|
priv->pixmap = gdk_pixmap_new ( |
|
|
widget->window, |
|
|
widget->allocation.width + EXTRA_BORDER * 2, |
|
|
widget->allocation.height + EXTRA_BORDER * 2, |
|
|
-1); |
|
|
|
|
|
/* and gc, used for clipping (I think......) */ |
|
|
if(priv->gc_map) |
|
|
g_object_unref(priv->gc_map); |
|
|
|
|
|
priv->gc_map = gdk_gc_new(priv->pixmap); |
|
456 |
|
|
457 |
osm_gps_map_map_redraw(OSM_GPS_MAP(widget)); |
cairo_set_source_surface(cr, priv->overlay, x, y); |
458 |
|
cairo_paint(cr); |
459 |
return FALSE; |
cairo_destroy(cr); |
|
} |
|
|
|
|
|
static gboolean |
|
|
osm_gps_map_expose (GtkWidget *widget, GdkEventExpose *event) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
|
|
|
|
|
gdk_draw_drawable ( |
|
|
widget->window, |
|
|
widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
|
|
priv->pixmap, |
|
|
0,0, |
|
|
priv->drag_mouse_dx - EXTRA_BORDER, |
|
|
priv->drag_mouse_dy - EXTRA_BORDER, |
|
|
-1,-1); |
|
|
|
|
|
//Paint white outside of the map if dragging. Its less |
|
|
//ugly than painting the corrupted map |
|
|
if(priv->drag_mouse_dx>EXTRA_BORDER) { |
|
|
gdk_draw_rectangle ( |
|
|
widget->window, |
|
|
widget->style->white_gc, |
|
|
TRUE, |
|
|
0, 0, |
|
|
priv->drag_mouse_dx - EXTRA_BORDER, |
|
|
widget->allocation.height); |
|
|
} |
|
|
else if (-priv->drag_mouse_dx > EXTRA_BORDER) |
|
|
{ |
|
|
gdk_draw_rectangle ( |
|
|
widget->window, |
|
|
widget->style->white_gc, |
|
|
TRUE, |
|
|
priv->drag_mouse_dx + widget->allocation.width + EXTRA_BORDER, 0, |
|
|
-priv->drag_mouse_dx - EXTRA_BORDER, |
|
|
widget->allocation.height); |
|
|
} |
|
|
|
|
|
if (priv->drag_mouse_dy>EXTRA_BORDER) { |
|
|
gdk_draw_rectangle ( |
|
|
widget->window, |
|
|
widget->style->white_gc, |
|
|
TRUE, |
|
|
0, 0, |
|
|
widget->allocation.width, |
|
|
priv->drag_mouse_dy - EXTRA_BORDER); |
|
|
} |
|
|
else if (-priv->drag_mouse_dy > EXTRA_BORDER) |
|
|
{ |
|
|
gdk_draw_rectangle ( |
|
|
widget->window, |
|
|
widget->style->white_gc, |
|
|
TRUE, |
|
|
0, priv->drag_mouse_dy + widget->allocation.height + EXTRA_BORDER, |
|
|
widget->allocation.width, |
|
|
-priv->drag_mouse_dy - EXTRA_BORDER); |
|
|
} |
|
|
#if 0 |
|
|
if(!priv->dragging) |
|
|
gdk_draw_drawable ( |
|
|
widget->window, |
|
|
widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
|
|
priv->pixmap, |
|
|
event->area.x + EXTRA_BORDER, |
|
|
event->area.y + EXTRA_BORDER, |
|
|
event->area.x, event->area.y, |
|
|
event->area.width, event->area.height); |
|
|
#endif |
|
|
return FALSE; |
|
460 |
} |
} |
461 |
|
|
462 |
static void |
static void |
463 |
osm_gps_map_class_init (OsmGpsMapClass *klass) |
osm_gps_map_osd_free(osm_gps_map_osd_t *osd) |
464 |
{ |
{ |
465 |
GObjectClass* object_class = G_OBJECT_CLASS (klass); |
osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
|
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); |
|
466 |
|
|
467 |
g_type_class_add_private (klass, sizeof (OsmGpsMapPrivate)); |
if (priv->overlay) |
468 |
|
cairo_surface_destroy(priv->overlay); |
|
object_class->dispose = osm_gps_map_dispose; |
|
|
object_class->finalize = osm_gps_map_finalize; |
|
|
object_class->constructor = osm_gps_map_constructor; |
|
|
object_class->set_property = osm_gps_map_set_property; |
|
|
object_class->get_property = osm_gps_map_get_property; |
|
|
|
|
|
widget_class->expose_event = osm_gps_map_expose; |
|
|
widget_class->configure_event = osm_gps_map_configure; |
|
|
widget_class->button_press_event = osm_gps_map_button_press; |
|
|
widget_class->button_release_event = osm_gps_map_button_release; |
|
|
widget_class->motion_notify_event = osm_gps_map_motion_notify; |
|
|
widget_class->scroll_event = osm_gps_map_scroll_event; |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_AUTO_CENTER, |
|
|
g_param_spec_boolean ("auto-center", |
|
|
"auto center", |
|
|
"map auto center", |
|
|
TRUE, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_RECORD_TRIP_HISTORY, |
|
|
g_param_spec_boolean ("record-trip-history", |
|
|
"record trip history", |
|
|
"should all gps points be recorded in a trip history", |
|
|
TRUE, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_SHOW_TRIP_HISTORY, |
|
|
g_param_spec_boolean ("show-trip-history", |
|
|
"show trip history", |
|
|
"should the recorded trip history be shown on the map", |
|
|
TRUE, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_AUTO_DOWNLOAD, |
|
|
g_param_spec_boolean ("auto-download", |
|
|
"auto download", |
|
|
"map auto download", |
|
|
TRUE, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_REPO_URI, |
|
|
g_param_spec_string ("repo-uri", |
|
|
"repo uri", |
|
|
"map source tile repository uri", |
|
|
OSM_REPO_URI, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_PROXY_URI, |
|
|
g_param_spec_string ("proxy-uri", |
|
|
"proxy uri", |
|
|
"http proxy uri on NULL", |
|
|
NULL, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_TILE_CACHE_DIR, |
|
|
g_param_spec_string ("tile-cache", |
|
|
"tile cache", |
|
|
"osm local tile cache dir", |
|
|
NULL, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_TILE_CACHE_DIR_IS_FULL_PATH, |
|
|
g_param_spec_boolean ("tile-cache-is-full-path", |
|
|
"tile cache is full path", |
|
|
"if true, the path passed to tile-cache is interpreted as the full cache path", |
|
|
FALSE, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_ZOOM, |
|
|
g_param_spec_int ("zoom", |
|
|
"zoom", |
|
|
"zoom level", |
|
|
MIN_ZOOM, /* minimum property value */ |
|
|
MAX_ZOOM, /* maximum property value */ |
|
|
3, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_MAX_ZOOM, |
|
|
g_param_spec_int ("max-zoom", |
|
|
"max zoom", |
|
|
"maximum zoom level", |
|
|
MIN_ZOOM, /* minimum property value */ |
|
|
MAX_ZOOM, /* maximum property value */ |
|
|
OSM_MAX_ZOOM, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_MIN_ZOOM, |
|
|
g_param_spec_int ("min-zoom", |
|
|
"min zoom", |
|
|
"minimum zoom level", |
|
|
MIN_ZOOM, /* minimum property value */ |
|
|
MAX_ZOOM, /* maximum property value */ |
|
|
OSM_MIN_ZOOM, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_LATITUDE, |
|
|
g_param_spec_float ("latitude", |
|
|
"latitude", |
|
|
"latitude in degrees", |
|
|
-90.0, /* minimum property value */ |
|
|
90.0, /* maximum property value */ |
|
|
0, |
|
|
G_PARAM_READABLE)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_LONGITUDE, |
|
|
g_param_spec_float ("longitude", |
|
|
"longitude", |
|
|
"longitude in degrees", |
|
|
-180.0, /* minimum property value */ |
|
|
180.0, /* maximum property value */ |
|
|
0, |
|
|
G_PARAM_READABLE)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_MAP_X, |
|
|
g_param_spec_int ("map-x", |
|
|
"map-x", |
|
|
"initial map x location", |
|
|
G_MININT, /* minimum property value */ |
|
|
G_MAXINT, /* maximum property value */ |
|
|
890, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_MAP_Y, |
|
|
g_param_spec_int ("map-y", |
|
|
"map-y", |
|
|
"initial map y location", |
|
|
G_MININT, /* minimum property value */ |
|
|
G_MAXINT, /* maximum property value */ |
|
|
515, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_TILES_QUEUED, |
|
|
g_param_spec_int ("tiles-queued", |
|
|
"tiles-queued", |
|
|
"number of tiles currently waiting to download", |
|
|
G_MININT, /* minimum property value */ |
|
|
G_MAXINT, /* maximum property value */ |
|
|
0, |
|
|
G_PARAM_READABLE)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_GPS_TRACK_WIDTH, |
|
|
g_param_spec_int ("gps-track-width", |
|
|
"gps-track-width", |
|
|
"width of the lines drawn for the gps track", |
|
|
1, /* minimum property value */ |
|
|
G_MAXINT, /* maximum property value */ |
|
|
4, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_GPS_POINT_R1, |
|
|
g_param_spec_int ("gps-track-point-radius", |
|
|
"gps-track-point-radius", |
|
|
"radius of the gps point inner circle", |
|
|
0, /* minimum property value */ |
|
|
G_MAXINT, /* maximum property value */ |
|
|
10, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_GPS_POINT_R2, |
|
|
g_param_spec_int ("gps-track-highlight-radius", |
|
|
"gps-track-highlight-radius", |
|
|
"radius of the gps point highlight circle", |
|
|
0, /* minimum property value */ |
|
|
G_MAXINT, /* maximum property value */ |
|
|
20, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_MAP_SOURCE, |
|
|
g_param_spec_int ("map-source", |
|
|
"map source", |
|
|
"map source ID", |
|
|
-1, /* minimum property value */ |
|
|
G_MAXINT, /* maximum property value */ |
|
|
-1, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
|
|
|
|
|
g_object_class_install_property (object_class, |
|
|
PROP_IMAGE_FORMAT, |
|
|
g_param_spec_string ("image-format", |
|
|
"image format", |
|
|
"map source tile repository image format (jpg, png)", |
|
|
OSM_IMAGE_FORMAT, |
|
|
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
|
|
} |
|
469 |
|
|
470 |
const char* |
g_free(priv); |
|
osm_gps_map_source_get_friendly_name(OsmGpsMapSource_t source) |
|
|
{ |
|
|
switch(source) |
|
|
{ |
|
|
case OSM_GPS_MAP_SOURCE_NULL: |
|
|
return "None"; |
|
|
case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
|
|
return "OpenStreetMap"; |
|
|
case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
|
|
return "OpenStreetMap Renderer"; |
|
|
case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: |
|
|
return "OpenAerialMap"; |
|
|
case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
|
|
return "Maps-For-Free"; |
|
|
case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
|
|
return "Google Maps"; |
|
|
case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
|
|
return "Google Satellite"; |
|
|
case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
|
|
return "Google Hybrid"; |
|
|
case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
|
|
return "Virtual Earth"; |
|
|
case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
|
|
return "Virtual Earth Satellite"; |
|
|
case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
|
|
return "Virtual Earth Hybrid"; |
|
|
case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
|
|
return "Yahoo Maps"; |
|
|
case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
|
|
return "Yahoo Satellite"; |
|
|
case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
|
|
return "Yahoo Hybrid"; |
|
|
default: |
|
|
return NULL; |
|
|
} |
|
|
return NULL; |
|
471 |
} |
} |
472 |
|
|
473 |
//http://www.internettablettalk.com/forums/showthread.php?t=5209 |
static osm_gps_map_osd_t osd_classic = { |
474 |
//https://garage.maemo.org/plugins/scmsvn/viewcvs.php/trunk/src/maps.c?root=maemo-mapper&view=markup |
.draw = osm_gps_map_osd_draw, |
475 |
//http://www.ponies.me.uk/maps/GoogleTileUtils.java |
.check = osm_gps_map_osd_check, |
476 |
//http://www.mgmaps.com/cache/MapTileCacher.perl |
.render = osm_gps_map_osd_render, |
477 |
const char* |
.free = osm_gps_map_osd_free, |
|
osm_gps_map_source_get_repo_uri(OsmGpsMapSource_t source) |
|
|
{ |
|
|
switch(source) |
|
|
{ |
|
|
case OSM_GPS_MAP_SOURCE_NULL: |
|
|
return "none://"; |
|
|
case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
|
|
return OSM_REPO_URI; |
|
|
case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
|
|
return "http://tah.openstreetmap.org/Tiles/tile/#Z/#X/#Y.png"; |
|
|
case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: |
|
|
return "http://tile.openaerialmap.org/tiles/1.0.0/openaerialmap-900913/#Z/#X/#Y.jpg"; |
|
|
case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
|
|
return "http://maps-for-free.com/layer/relief/z#Z/row#Y/#Z_#X-#Y.jpg"; |
|
|
case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
|
|
return "http://mt#R.google.com/vt/v=w2.97&x=#X&y=#Y&z=#Z"; |
|
|
case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
|
|
return "http://khm#R.google.com/kh?n=404&v=3&t=#Q"; |
|
|
case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
|
|
return NULL; /* No longer working "http://mt#R.google.com/mt?n=404&v=w2t.99&x=#X&y=#Y&zoom=#S" */ |
|
|
case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
|
|
return "http://a#R.ortho.tiles.virtualearth.net/tiles/r#W.jpeg?g=50"; |
|
|
case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
|
|
return "http://a#R.ortho.tiles.virtualearth.net/tiles/a#W.jpeg?g=50"; |
|
|
case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
|
|
return "http://a#R.ortho.tiles.virtualearth.net/tiles/h#W.jpeg?g=50"; |
|
|
case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
|
|
case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
|
|
case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
|
|
/* TODO: Implement signed Y, aka U |
|
|
* http://us.maps3.yimg.com/aerial.maps.yimg.com/ximg?v=1.7&t=a&s=256&x=%d&y=%-d&z=%d |
|
|
* x = tilex, |
|
|
* y = (1 << (MAX_ZOOM - zoom)) - tiley - 1, |
|
|
* z = zoom - (MAX_ZOOM - 17)); |
|
|
*/ |
|
|
return NULL; |
|
|
default: |
|
|
return NULL; |
|
|
} |
|
|
return NULL; |
|
|
} |
|
478 |
|
|
479 |
const char * |
.cb = NULL, |
480 |
osm_gps_map_source_get_image_format(OsmGpsMapSource_t source) |
.data = NULL, |
|
{ |
|
|
switch(source) { |
|
|
case OSM_GPS_MAP_SOURCE_NULL: |
|
|
case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
|
|
case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
|
|
return "png"; |
|
|
case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: |
|
|
case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
|
|
case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
|
|
case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
|
|
case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
|
|
case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
|
|
case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
|
|
case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
|
|
case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
|
|
case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
|
|
case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
|
|
return "jpg"; |
|
|
default: |
|
|
return "bin"; |
|
|
} |
|
|
return "bin"; |
|
|
} |
|
481 |
|
|
482 |
|
.priv = NULL |
483 |
|
}; |
484 |
|
|
485 |
int |
/* this is the only function that's externally visible */ |
|
osm_gps_map_source_get_min_zoom(OsmGpsMapSource_t source) |
|
|
{ |
|
|
return 1; |
|
|
} |
|
|
|
|
|
int |
|
|
osm_gps_map_source_get_max_zoom(OsmGpsMapSource_t source) |
|
|
{ |
|
|
switch(source) { |
|
|
case OSM_GPS_MAP_SOURCE_NULL: |
|
|
return 18; |
|
|
case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
|
|
return OSM_MAX_ZOOM; |
|
|
case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
|
|
case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: |
|
|
case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
|
|
case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
|
|
case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
|
|
case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
|
|
case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
|
|
case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
|
|
case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
|
|
case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
|
|
return 17; |
|
|
case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
|
|
return 11; |
|
|
case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
|
|
return 18; |
|
|
default: |
|
|
return 17; |
|
|
} |
|
|
return 17; |
|
|
} |
|
|
|
|
|
void |
|
|
osm_gps_map_download_maps (OsmGpsMap *map, coord_t *pt1, coord_t *pt2, int zoom_start, int zoom_end) |
|
|
{ |
|
|
int i,j,zoom,num_tiles; |
|
|
OsmGpsMapPrivate *priv = map->priv; |
|
|
|
|
|
if (pt1 && pt2) |
|
|
{ |
|
|
gchar *filename; |
|
|
num_tiles = 0; |
|
|
zoom_end = CLAMP(zoom_end, priv->min_zoom, priv->max_zoom); |
|
|
g_debug("Download maps: z:%d->%d",zoom_start, zoom_end); |
|
|
|
|
|
for(zoom=zoom_start; zoom<=zoom_end; zoom++) |
|
|
{ |
|
|
int x1,y1,x2,y2; |
|
|
|
|
|
x1 = (int)floor((float)lon2pixel(zoom, pt1->rlon) / (float)TILESIZE); |
|
|
y1 = (int)floor((float)lat2pixel(zoom, pt1->rlat) / (float)TILESIZE); |
|
|
|
|
|
x2 = (int)floor((float)lon2pixel(zoom, pt2->rlon) / (float)TILESIZE); |
|
|
y2 = (int)floor((float)lat2pixel(zoom, pt2->rlat) / (float)TILESIZE); |
|
|
|
|
|
// loop x1-x2 |
|
|
for(i=x1; i<=x2; i++) |
|
|
{ |
|
|
// loop y1 - y2 |
|
|
for(j=y1; j<=y2; j++) |
|
|
{ |
|
|
// x = i, y = j |
|
|
filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
|
|
priv->cache_dir, G_DIR_SEPARATOR, |
|
|
zoom, G_DIR_SEPARATOR, |
|
|
i, G_DIR_SEPARATOR, |
|
|
j, |
|
|
priv->image_format); |
|
|
if (!g_file_test(filename, G_FILE_TEST_EXISTS)) |
|
|
{ |
|
|
osm_gps_map_download_tile(map, zoom, i, j, FALSE); |
|
|
num_tiles++; |
|
|
} |
|
|
g_free(filename); |
|
|
} |
|
|
} |
|
|
g_debug("DL @Z:%d = %d tiles",zoom,num_tiles); |
|
|
} |
|
|
} |
|
|
} |
|
|
|
|
486 |
void |
void |
487 |
osm_gps_map_get_bbox (OsmGpsMap *map, coord_t *pt1, coord_t *pt2) |
osm_gps_map_osd_classic_init(OsmGpsMap *map) |
488 |
{ |
{ |
489 |
OsmGpsMapPrivate *priv = map->priv; |
osd_priv_t *priv = osd_classic.priv = g_new0(osd_priv_t, 1); |
490 |
|
|
491 |
if (pt1 && pt2) { |
osd_classic.priv = priv; |
|
pt1->rlat = pixel2lat(priv->map_zoom, priv->map_y); |
|
|
pt1->rlon = pixel2lon(priv->map_zoom, priv->map_x); |
|
|
pt2->rlat = pixel2lat(priv->map_zoom, priv->map_y + GTK_WIDGET(map)->allocation.height); |
|
|
pt2->rlon = pixel2lon(priv->map_zoom, priv->map_x + GTK_WIDGET(map)->allocation.width); |
|
492 |
|
|
493 |
g_debug("BBOX: %f %f %f %f", pt1->rlat, pt1->rlon, pt2->rlat, pt2->rlon); |
osm_gps_map_register_osd(map, &osd_classic); |
|
} |
|
494 |
} |
} |
495 |
|
|
496 |
void |
#ifdef OSD_GPS_BUTTON |
497 |
osm_gps_map_set_mapcenter (OsmGpsMap *map, float latitude, float longitude, int zoom) |
/* below are osd specific functions which aren't used by osm-gps-map */ |
498 |
{ |
/* but instead are to be used by the main application */ |
499 |
osm_gps_map_set_center (map, latitude, longitude); |
void osm_gps_map_osd_enable_gps (OsmGpsMap *map, OsmGpsMapOsdCallback cb, |
500 |
osm_gps_map_set_zoom (map, zoom); |
gpointer data) { |
501 |
} |
osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
|
|
|
|
void |
|
|
osm_gps_map_set_center (OsmGpsMap *map, float latitude, float longitude) |
|
|
{ |
|
|
int pixel_x, pixel_y; |
|
|
OsmGpsMapPrivate *priv; |
|
|
|
|
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
|
|
priv = map->priv; |
|
|
|
|
|
priv->center_rlat = deg2rad(latitude); |
|
|
priv->center_rlon = deg2rad(longitude); |
|
|
priv->center_coord_set = TRUE; |
|
|
|
|
|
// pixel_x,y, offsets |
|
|
pixel_x = lon2pixel(priv->map_zoom, priv->center_rlon); |
|
|
pixel_y = lat2pixel(priv->map_zoom, priv->center_rlat); |
|
|
|
|
|
priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; |
|
|
priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; |
|
|
|
|
|
osm_gps_map_map_redraw_idle(map); |
|
|
} |
|
|
|
|
|
int |
|
|
osm_gps_map_set_zoom (OsmGpsMap *map, int zoom) |
|
|
{ |
|
|
int zoom_old; |
|
|
double factor = 0.0; |
|
|
int width_center, height_center; |
|
|
OsmGpsMapPrivate *priv; |
|
|
|
|
|
g_return_val_if_fail (OSM_IS_GPS_MAP (map), 0); |
|
|
priv = map->priv; |
|
|
|
|
|
if (zoom != priv->map_zoom) |
|
|
{ |
|
|
width_center = GTK_WIDGET(map)->allocation.width / 2; |
|
|
height_center = GTK_WIDGET(map)->allocation.height / 2; |
|
|
|
|
|
zoom_old = priv->map_zoom; |
|
|
//constrain zoom min_zoom -> max_zoom |
|
|
priv->map_zoom = CLAMP(zoom, priv->min_zoom, priv->max_zoom); |
|
|
|
|
|
if (priv->center_coord_set) |
|
|
{ |
|
|
priv->map_x = lon2pixel(priv->map_zoom, priv->center_rlon) - width_center; |
|
|
priv->map_y = lat2pixel(priv->map_zoom, priv->center_rlat) - height_center; |
|
|
} |
|
|
else |
|
|
{ |
|
|
factor = exp(priv->map_zoom * M_LN2)/exp(zoom_old * M_LN2); |
|
|
priv->map_x = ((priv->map_x + width_center) * factor) - width_center; |
|
|
priv->map_y = ((priv->map_y + height_center) * factor) - height_center; |
|
|
} |
|
|
|
|
|
g_debug("Zoom changed from %d to %d factor:%f x:%d", |
|
|
zoom_old, priv->map_zoom, factor, priv->map_x); |
|
|
|
|
|
osm_gps_map_map_redraw_idle(map); |
|
|
} |
|
|
return priv->map_zoom; |
|
|
} |
|
|
|
|
|
void |
|
|
osm_gps_map_add_track (OsmGpsMap *map, GSList *track) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv; |
|
|
|
|
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
|
|
priv = map->priv; |
|
|
|
|
|
if (track) { |
|
|
priv->tracks = g_slist_append(priv->tracks, track); |
|
|
osm_gps_map_map_redraw_idle(map); |
|
|
} |
|
|
} |
|
|
|
|
|
void |
|
|
osm_gps_map_clear_tracks (OsmGpsMap *map) |
|
|
{ |
|
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
|
|
|
|
|
osm_gps_map_free_tracks(map); |
|
|
osm_gps_map_map_redraw_idle(map); |
|
|
} |
|
|
|
|
|
void |
|
|
osm_gps_map_add_image (OsmGpsMap *map, float latitude, float longitude, GdkPixbuf *image) |
|
|
{ |
|
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
|
|
|
|
|
if (image) { |
|
|
OsmGpsMapPrivate *priv = map->priv; |
|
|
image_t *im; |
|
|
|
|
|
//cache w/h for speed, and add image to list |
|
|
im = g_new0(image_t,1); |
|
|
im->w = gdk_pixbuf_get_width(image); |
|
|
im->h = gdk_pixbuf_get_height(image); |
|
|
im->pt.rlat = deg2rad(latitude); |
|
|
im->pt.rlon = deg2rad(longitude); |
|
|
|
|
|
g_object_ref(image); |
|
|
im->image = image; |
|
|
|
|
|
priv->images = g_slist_append(priv->images, im); |
|
|
|
|
|
osm_gps_map_map_redraw_idle(map); |
|
|
} |
|
|
} |
|
|
|
|
|
gboolean |
|
|
osm_gps_map_remove_image (OsmGpsMap *map, GdkPixbuf *image) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv = map->priv; |
|
|
if (priv->images) { |
|
|
GSList *list; |
|
|
for(list = priv->images; list != NULL; list = list->next) |
|
|
{ |
|
|
image_t *im = list->data; |
|
|
if (im->image == image) |
|
|
{ |
|
|
priv->images = g_slist_remove_link(priv->images, list); |
|
|
g_object_unref(im->image); |
|
|
g_free(im); |
|
|
osm_gps_map_map_redraw_idle(map); |
|
|
return TRUE; |
|
|
} |
|
|
} |
|
|
} |
|
|
return FALSE; |
|
|
} |
|
|
|
|
|
void |
|
|
osm_gps_map_clear_images (OsmGpsMap *map) |
|
|
{ |
|
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
|
|
|
|
|
osm_gps_map_free_images(map); |
|
|
osm_gps_map_map_redraw_idle(map); |
|
|
} |
|
|
|
|
|
void |
|
|
osm_gps_map_osd_speed (OsmGpsMap *map, float speed) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv; |
|
|
|
|
|
PangoContext *context = NULL; |
|
|
PangoLayout *layout = NULL; |
|
|
PangoFontDescription *desc = NULL; |
|
|
|
|
|
GdkColor color; |
|
|
GdkGC *gc; |
|
|
|
|
|
gchar *buffer; |
|
|
//static int x = 10, y = 10; |
|
|
static int width = 0, height = 0; |
|
|
|
|
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
|
|
priv = map->priv; |
|
|
|
|
|
buffer = g_strdup_printf("%.0f", speed); |
|
|
|
|
|
/* pango initialisation */ |
|
|
context = gtk_widget_get_pango_context (GTK_WIDGET(map)); |
|
|
layout = pango_layout_new (context); |
|
|
desc = pango_font_description_new(); |
|
|
|
|
|
pango_font_description_set_size (desc, 40 * PANGO_SCALE); |
|
|
pango_layout_set_font_description (layout, desc); |
|
|
pango_layout_set_text (layout, buffer, strlen(buffer)); |
|
|
|
|
|
gc = gdk_gc_new (GTK_WIDGET(map)->window); |
|
|
|
|
|
color.red = (0 > 50) ? 0xffff : 0; |
|
|
color.green = 0; |
|
|
color.blue = 0; |
|
|
|
|
|
gdk_gc_set_rgb_fg_color (gc, &color); |
|
|
|
|
|
/* faster / less flicker alternative:*/ |
|
|
gdk_draw_drawable ( |
|
|
GTK_WIDGET(map)->window, |
|
|
GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(map)], |
|
|
priv->pixmap, |
|
|
0,0, |
|
|
0,0, |
|
|
width+10,width+10); |
|
|
|
|
|
gdk_draw_layout(GTK_WIDGET(map)->window, |
|
|
gc, |
|
|
0, 0, |
|
|
layout); |
|
|
|
|
|
/* set width and height */ |
|
|
pango_layout_get_pixel_size(layout, &width, &height); |
|
|
|
|
|
g_free(buffer); |
|
|
pango_font_description_free (desc); |
|
|
g_object_unref (layout); |
|
|
g_object_unref (gc); |
|
|
} |
|
|
|
|
|
void |
|
|
osm_gps_map_draw_gps (OsmGpsMap *map, float latitude, float longitude, float heading) |
|
|
{ |
|
|
int pixel_x, pixel_y; |
|
|
OsmGpsMapPrivate *priv; |
|
|
|
|
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
|
|
priv = map->priv; |
|
|
|
|
|
priv->gps->rlat = deg2rad(latitude); |
|
|
priv->gps->rlon = deg2rad(longitude); |
|
|
priv->gps_valid = TRUE; |
|
|
|
|
|
// pixel_x,y, offsets |
|
|
pixel_x = lon2pixel(priv->map_zoom, priv->gps->rlon); |
|
|
pixel_y = lat2pixel(priv->map_zoom, priv->gps->rlat); |
|
|
|
|
|
//If trip marker add to list of gps points. |
|
|
if (priv->record_trip_history) { |
|
|
coord_t *tp = g_new0(coord_t,1); |
|
|
tp->rlat = priv->gps->rlat; |
|
|
tp->rlon = priv->gps->rlon; |
|
|
priv->trip_history = g_slist_append(priv->trip_history, tp); |
|
|
} |
|
|
|
|
|
// dont draw anything if we are dragging |
|
|
if (priv->dragging) { |
|
|
g_debug("Dragging"); |
|
|
return; |
|
|
} |
|
|
|
|
|
//Automatically center the map if the track approaches the edge |
|
|
if(priv->map_auto_center) { |
|
|
int x = pixel_x - priv->map_x; |
|
|
int y = pixel_y - priv->map_y; |
|
|
int width = GTK_WIDGET(map)->allocation.width; |
|
|
int height = GTK_WIDGET(map)->allocation.height; |
|
|
if( x < (width/2 - width/8) || x > (width/2 + width/8) || |
|
|
y < (height/2 - height/8) || y > (height/2 + height/8)) { |
|
|
|
|
|
priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; |
|
|
priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; |
|
|
priv->center_coord_set = FALSE; |
|
|
} |
|
|
} |
|
|
|
|
|
// this redraws the map (including the gps track, and adjusts the |
|
|
// map center if it was changed |
|
|
osm_gps_map_map_redraw_idle(map); |
|
|
} |
|
|
|
|
|
void |
|
|
osm_gps_map_clear_gps (OsmGpsMap *map) |
|
|
{ |
|
|
osm_gps_map_free_trip(map); |
|
|
osm_gps_map_map_redraw_idle(map); |
|
|
} |
|
|
|
|
|
coord_t |
|
|
osm_gps_map_get_co_ordinates (OsmGpsMap *map, int pixel_x, int pixel_y) |
|
|
{ |
|
|
coord_t coord; |
|
|
OsmGpsMapPrivate *priv = map->priv; |
|
|
|
|
|
coord.rlat = pixel2lat(priv->map_zoom, priv->map_y + pixel_y); |
|
|
coord.rlon = pixel2lon(priv->map_zoom, priv->map_x + pixel_x); |
|
|
return coord; |
|
|
} |
|
|
|
|
|
GtkWidget * |
|
|
osm_gps_map_new (void) |
|
|
{ |
|
|
return g_object_new (OSM_TYPE_GPS_MAP, NULL); |
|
|
} |
|
|
|
|
|
void |
|
|
osm_gps_map_screen_to_geographic (OsmGpsMap *map, gint pixel_x, gint pixel_y, |
|
|
gfloat *latitude, gfloat *longitude) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv; |
|
|
|
|
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
|
|
priv = map->priv; |
|
|
|
|
|
if (latitude) |
|
|
*latitude = rad2deg(pixel2lat(priv->map_zoom, priv->map_y + pixel_y)); |
|
|
if (longitude) |
|
|
*longitude = rad2deg(pixel2lon(priv->map_zoom, priv->map_x + pixel_x)); |
|
|
} |
|
|
|
|
|
void |
|
|
osm_gps_map_geographic_to_screen (OsmGpsMap *map, |
|
|
gfloat latitude, gfloat longitude, |
|
|
gint *pixel_x, gint *pixel_y) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv; |
|
|
|
|
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
|
|
priv = map->priv; |
|
|
|
|
|
if (pixel_x) |
|
|
*pixel_x = lon2pixel(priv->map_zoom, deg2rad(longitude)) - priv->map_x; |
|
|
if (pixel_y) |
|
|
*pixel_y = lat2pixel(priv->map_zoom, deg2rad(latitude)) - priv->map_y; |
|
|
} |
|
|
|
|
|
void |
|
|
osm_gps_map_scroll (OsmGpsMap *map, gint dx, gint dy) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv; |
|
|
|
|
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
|
|
priv = map->priv; |
|
|
|
|
|
priv->center_coord_set = FALSE; |
|
|
priv->map_x += dx; |
|
|
priv->map_y += dy; |
|
|
|
|
|
osm_gps_map_map_redraw_idle (map); |
|
|
} |
|
|
|
|
|
float |
|
|
osm_gps_map_get_scale(OsmGpsMap *map) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv; |
|
|
|
|
|
g_return_val_if_fail (OSM_IS_GPS_MAP (map), OSM_NAN); |
|
|
priv = map->priv; |
|
|
|
|
|
return osm_gps_map_get_scale_at_point(priv->map_zoom, priv->center_rlat, priv->center_rlon); |
|
|
} |
|
|
|
|
|
#ifdef ENABLE_BALLOON |
|
|
void |
|
|
osm_gps_map_draw_balloon (OsmGpsMap *map, float latitude, float longitude, |
|
|
OsmGpsMapBalloonCallback cb, gpointer data) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv; |
|
|
|
|
|
/* remove and previously installed balloon */ |
|
|
osm_gps_map_clear_balloon (map); |
|
|
|
|
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
|
|
priv = map->priv; |
|
|
|
|
|
priv->balloon.coo->rlat = deg2rad(latitude); |
|
|
priv->balloon.coo->rlon = deg2rad(longitude); |
|
|
priv->balloon.valid = TRUE; |
|
|
|
|
|
priv->balloon.cb = cb; |
|
|
priv->balloon.data = data; |
|
|
|
|
|
// this redraws the map |
|
|
osm_gps_map_map_redraw_idle(map); |
|
|
} |
|
|
|
|
|
void |
|
|
osm_gps_map_clear_balloon (OsmGpsMap *map) |
|
|
{ |
|
|
OsmGpsMapPrivate *priv; |
|
|
|
|
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
|
|
priv = map->priv; |
|
|
|
|
|
priv->balloon.valid = FALSE; |
|
|
|
|
|
osm_gps_map_map_redraw_idle(map); |
|
|
} |
|
|
#endif |
|
|
|
|
|
#ifdef ENABLE_OSD |
|
|
void osm_gps_map_osd_enable_gps (OsmGpsMap *map, OsmGpsMapOsdGpsCallback cb, gpointer data) { |
|
|
OsmGpsMapPrivate *priv; |
|
502 |
|
|
503 |
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
g_return_if_fail (osd); |
|
priv = map->priv; |
|
504 |
|
|
505 |
priv->osd.cb = cb; |
osd->cb = cb; |
506 |
priv->osd.data = data; |
osd->data = data; |
507 |
|
|
508 |
/* this may have changed the state of the gps button */ |
/* this may have changed the state of the gps button */ |
509 |
/* we thus re-render the overlay */ |
/* we thus re-render the overlay */ |
510 |
osm_gps_map_osd_render(priv); |
osd->render(osd); |
511 |
|
|
512 |
osm_gps_map_map_redraw_idle(map); |
osm_gps_map_redraw(map); |
513 |
} |
} |
514 |
#endif |
#endif |