22 |
#include <math.h> // M_PI |
#include <math.h> // M_PI |
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24 |
/* parameters that can be overwritten from the config file: */ |
/* parameters that can be overwritten from the config file: */ |
25 |
/* OSM_GPS_MAP_OSD_DIAMETER */ |
/* OSD_DIAMETER */ |
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/* OSD_X, OSD_Y */ |
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#ifndef USE_CAIRO |
#ifndef USE_CAIRO |
29 |
#error "OSD control display lacks a non-cairo implementation!" |
#error "OSD control display lacks a non-cairo implementation!" |
36 |
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37 |
//the osd controls |
//the osd controls |
38 |
typedef struct { |
typedef struct { |
39 |
GdkPixmap *backup; |
/* the offscreen representation of the OSD */ |
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gint backup_x, backup_y; |
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40 |
cairo_surface_t *overlay; |
cairo_surface_t *overlay; |
41 |
} osd_priv_t; |
} osd_priv_t; |
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43 |
/* position and extent of bounding box */ |
/* position and extent of bounding box */ |
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#ifndef OSD_X |
45 |
#define OSD_X (10) |
#define OSD_X (10) |
46 |
#define OSD_Y (10) |
#endif |
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48 |
#define OSD_COLOR 0.5, 0.5, 1 |
#ifndef OSD_Y |
49 |
#define OSD_COLOR_DISABLED 0.8, 0.8, 0.8 |
#define OSD_Y (10) |
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#endif |
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52 |
/* parameters of the direction shape */ |
/* parameters of the direction shape */ |
53 |
#ifndef OSM_GPS_MAP_OSD_DIAMETER |
#ifndef OSD_DIAMETER |
54 |
#define D_RAD (30) // diameter of dpad |
#define D_RAD (30) // diameter of dpad |
55 |
#else |
#else |
56 |
#define D_RAD (OSM_GPS_MAP_OSD_DIAMETER) |
#define D_RAD (OSD_DIAMETER) |
57 |
#endif |
#endif |
58 |
#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 |
59 |
#define D_LEN (D_RAD/4) // length of arrow |
#define D_LEN (D_RAD/4) // length of arrow |
63 |
#define Z_STEP (D_RAD/4) // distance between dpad and zoom |
#define Z_STEP (D_RAD/4) // distance between dpad and zoom |
64 |
#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 |
67 |
/* shadow also depends on control size */ |
/* shadow also depends on control size */ |
68 |
#define OSD_SHADOW (D_RAD/6) |
#define OSD_SHADOW (D_RAD/6) |
69 |
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#else |
70 |
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#define OSD_SHADOW (0) |
71 |
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#endif |
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73 |
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/* normally the GPS button is in the center of the dpad. if there's */ |
74 |
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/* no dpad it will go into the zoom area */ |
75 |
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#if defined(OSD_GPS_BUTTON) && defined(OSD_NO_DPAD) |
76 |
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#define Z_GPS 1 |
77 |
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#else |
78 |
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#define Z_GPS 0 |
79 |
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#endif |
80 |
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81 |
/* total width and height of controls incl. shadow */ |
/* total width and height of controls incl. shadow */ |
82 |
#define OSD_W (2*D_RAD + OSD_SHADOW) |
#define OSD_W (2*D_RAD + OSD_SHADOW + Z_GPS * 2 * Z_RAD) |
83 |
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#if !Z_GPS |
84 |
#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) |
85 |
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#else |
86 |
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#define OSD_H (2*Z_RAD + OSD_SHADOW) |
87 |
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#endif |
88 |
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89 |
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#ifdef OSD_SHADOW_ENABLE |
90 |
#define OSD_LBL_SHADOW (OSD_SHADOW/2) |
#define OSD_LBL_SHADOW (OSD_SHADOW/2) |
91 |
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#endif |
92 |
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93 |
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#define Z_TOP ((1-Z_GPS) * (2 * D_RAD + Z_STEP)) |
94 |
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#define Z_TOP (2 * D_RAD + Z_STEP) |
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95 |
#define Z_MID (Z_TOP + Z_RAD) |
#define Z_MID (Z_TOP + Z_RAD) |
96 |
#define Z_BOT (Z_MID + Z_RAD) |
#define Z_BOT (Z_MID + Z_RAD) |
97 |
#define Z_LEFT (Z_RAD) |
#define Z_LEFT (Z_RAD) |
98 |
#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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101 |
/* create the cairo shape used for the zoom buttons */ |
/* create the cairo shape used for the zoom buttons */ |
102 |
static void |
static void |
109 |
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); |
110 |
} |
} |
111 |
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#ifndef OSD_NO_DPAD |
113 |
/* create the cairo shape used for the dpad */ |
/* create the cairo shape used for the dpad */ |
114 |
static void |
static void |
115 |
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) |
116 |
{ |
{ |
117 |
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); |
118 |
} |
} |
119 |
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#endif |
120 |
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121 |
static gboolean |
static gboolean |
122 |
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) |
124 |
return( pow(cx - x, 2) + pow(cy - y, 2) < rad * rad); |
return( pow(cx - x, 2) + pow(cy - y, 2) < rad * rad); |
125 |
} |
} |
126 |
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#ifndef OSD_NO_DPAD |
128 |
/* check whether x/y is within the dpad */ |
/* check whether x/y is within the dpad */ |
129 |
static osd_button_t |
static osd_button_t |
130 |
osm_gps_map_osd_check_dpad(gint x, gint y) |
osm_gps_map_osd_check_dpad(gint x, gint y) |
131 |
{ |
{ |
132 |
/* within entire dpad circle */ |
/* within entire dpad circle */ |
133 |
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)) |
134 |
{ |
{ |
135 |
/* convert into position relative to dpads centre */ |
/* convert into position relative to dpads centre */ |
136 |
x -= (OSD_X + D_RAD); |
x -= D_RAD; |
137 |
y -= (OSD_Y + D_RAD); |
y -= D_RAD; |
138 |
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139 |
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#ifdef OSD_GPS_BUTTON |
140 |
/* check for dpad center goes here! */ |
/* check for dpad center goes here! */ |
141 |
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)) |
142 |
return OSD_GPS; |
return OSD_GPS; |
143 |
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#endif |
144 |
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145 |
if( y < 0 && abs(x) < abs(y)) |
if( y < 0 && abs(x) < abs(y)) |
146 |
return OSD_UP; |
return OSD_UP; |
158 |
} |
} |
159 |
return OSD_NONE; |
return OSD_NONE; |
160 |
} |
} |
161 |
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#endif |
162 |
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163 |
/* check whether x/y is within the zoom pads */ |
/* check whether x/y is within the zoom pads */ |
164 |
static osd_button_t |
static osd_button_t |
165 |
osm_gps_map_osd_check_zoom(gint x, gint y) { |
osm_gps_map_osd_check_zoom(gint x, gint y) { |
166 |
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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168 |
/* within circle around (-) label */ |
/* within circle around (-) label */ |
169 |
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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170 |
return OSD_OUT; |
return OSD_OUT; |
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172 |
/* within circle around (+) label */ |
/* within circle around (+) label */ |
173 |
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)) |
174 |
return OSD_IN; |
return OSD_IN; |
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176 |
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#if Z_GPS == 1 |
177 |
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/* within square around center */ |
178 |
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if( x > Z_CENTER - Z_RAD && x < Z_CENTER + Z_RAD) |
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return OSD_GPS; |
180 |
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#endif |
181 |
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182 |
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/* between center of (-) button and center of entire zoom control area */ |
183 |
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if(x > OSD_LEFT && x < D_RAD) |
184 |
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return OSD_OUT; |
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186 |
/* between center of (+) button and center of entire zoom control area */ |
/* between center of (+) button and center of entire zoom control area */ |
187 |
if(x < OSD_RIGHT && x > OSD_X + D_RAD) |
if(x < OSD_RIGHT && x > D_RAD) |
188 |
return OSD_IN; |
return OSD_IN; |
189 |
} |
} |
190 |
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192 |
} |
} |
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static osd_button_t |
static osd_button_t |
195 |
osm_gps_map_osd_check(gint x, gint y) { |
osm_gps_map_osd_check(osm_gps_map_osd_t *osd, gint x, gint y) { |
196 |
osd_button_t but = OSD_NONE; |
osd_button_t but = OSD_NONE; |
197 |
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198 |
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x -= OSD_X; |
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y -= OSD_Y; |
200 |
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201 |
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if(OSD_X < 0) |
202 |
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x -= (osd->widget->allocation.width - OSD_W); |
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204 |
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if(OSD_Y < 0) |
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y -= (osd->widget->allocation.height - OSD_H); |
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207 |
/* first do a rough test for the OSD area. */ |
/* first do a rough test for the OSD area. */ |
208 |
/* this is just to avoid an unnecessary detailed test */ |
/* this is just to avoid an unnecessary detailed test */ |
209 |
if(x > OSD_X && x < OSD_X + OSD_W && |
if(x > 0 && x < OSD_W && y > 0 && y < OSD_H) { |
210 |
y > OSD_Y && y < OSD_Y + OSD_H) { |
#ifndef OSD_NO_DPAD |
211 |
but = osm_gps_map_osd_check_dpad(x, y); |
but = osm_gps_map_osd_check_dpad(x, y); |
212 |
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#endif |
213 |
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214 |
if(but == OSD_NONE) |
if(but == OSD_NONE) |
215 |
but = osm_gps_map_osd_check_zoom(x, y); |
but = osm_gps_map_osd_check_zoom(x, y); |
218 |
return but; |
return but; |
219 |
} |
} |
220 |
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221 |
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#ifdef OSD_SHADOW_ENABLE |
222 |
static void |
static void |
223 |
osm_gps_map_osd_shape_shadow(cairo_t *cr) { |
osm_gps_map_osd_shape_shadow(cairo_t *cr) { |
224 |
cairo_set_source_rgba (cr, 0, 0, 0, 0.2); |
cairo_set_source_rgba (cr, 0, 0, 0, 0.2); |
225 |
cairo_fill (cr); |
cairo_fill (cr); |
226 |
cairo_stroke (cr); |
cairo_stroke (cr); |
227 |
} |
} |
228 |
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#endif |
229 |
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230 |
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#ifndef OSD_COLOR |
231 |
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/* if no color has been specified we just use the gdks default colors */ |
232 |
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static void |
233 |
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osm_gps_map_osd_shape(cairo_t *cr, GdkColor *bg, GdkColor *fg) { |
234 |
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gdk_cairo_set_source_color(cr, bg); |
235 |
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cairo_fill_preserve (cr); |
236 |
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gdk_cairo_set_source_color(cr, fg); |
237 |
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cairo_set_line_width (cr, 1); |
238 |
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cairo_stroke (cr); |
239 |
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} |
240 |
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#else |
241 |
static void |
static void |
242 |
osm_gps_map_osd_shape(cairo_t *cr) { |
osm_gps_map_osd_shape(cairo_t *cr) { |
243 |
cairo_set_source_rgb (cr, 1, 1, 1); |
cairo_set_source_rgb (cr, OSD_COLOR_BG); |
244 |
cairo_fill_preserve (cr); |
cairo_fill_preserve (cr); |
245 |
cairo_set_source_rgb (cr, OSD_COLOR); |
cairo_set_source_rgb (cr, OSD_COLOR); |
246 |
cairo_set_line_width (cr, 1); |
cairo_set_line_width (cr, 1); |
247 |
cairo_stroke (cr); |
cairo_stroke (cr); |
248 |
} |
} |
249 |
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#endif |
250 |
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251 |
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#ifndef OSD_NO_DPAD |
252 |
static void |
static void |
253 |
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) { |
254 |
/* move reference to dpad center */ |
/* move reference to dpad center */ |
273 |
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]); |
274 |
} |
} |
275 |
} |
} |
276 |
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#endif |
277 |
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278 |
/* draw the sattelite dish icon in the center of the dpad */ |
#ifdef OSD_GPS_BUTTON |
279 |
#define GPS_V0 (D_RAD/8) |
/* draw the satellite dish icon in the center of the dpad */ |
280 |
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#define GPS_V0 (D_RAD/7) |
281 |
#define GPS_V1 (D_RAD/10) |
#define GPS_V1 (D_RAD/10) |
282 |
#define GPS_V2 (D_RAD/5) |
#define GPS_V2 (D_RAD/5) |
283 |
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284 |
/* draw a satellite receiver dish */ |
/* draw a satellite receiver dish */ |
285 |
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/* this is either drawn in the center of the dpad (if present) */ |
286 |
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/* or in the middle of the zoom area */ |
287 |
static void |
static void |
288 |
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) { |
289 |
/* move reference to dpad center */ |
/* move reference to dpad center */ |
290 |
x += D_RAD; |
x += (1-Z_GPS) * D_RAD + Z_GPS * Z_RAD * 3; |
291 |
y += D_RAD + GPS_V0; |
y += (1-Z_GPS) * D_RAD + Z_GPS * Z_RAD + GPS_V0; |
292 |
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293 |
cairo_move_to (cr, x-GPS_V0, y+GPS_V0); |
cairo_move_to (cr, x-GPS_V0, y+GPS_V0); |
294 |
cairo_rel_line_to (cr, +GPS_V0, -GPS_V0); |
cairo_rel_line_to (cr, +GPS_V0, -GPS_V0); |
303 |
cairo_move_to (cr, x, y-GPS_V2); |
cairo_move_to (cr, x, y-GPS_V2); |
304 |
cairo_rel_line_to (cr, +GPS_V1, -GPS_V1); |
cairo_rel_line_to (cr, +GPS_V1, -GPS_V1); |
305 |
} |
} |
306 |
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#endif |
307 |
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308 |
#define Z_LEN (2*Z_RAD/3) |
#define Z_LEN (2*Z_RAD/3) |
309 |
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318 |
cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); |
cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); |
319 |
} |
} |
320 |
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321 |
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#ifndef OSD_COLOR |
322 |
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/* if no color has been specified we just use the gdks default colors */ |
323 |
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static void |
324 |
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osm_gps_map_osd_labels(cairo_t *cr, gint width, gboolean enabled, |
325 |
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GdkColor *fg, GdkColor *disabled) { |
326 |
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if(enabled) gdk_cairo_set_source_color(cr, fg); |
327 |
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else gdk_cairo_set_source_color(cr, disabled); |
328 |
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cairo_set_line_width (cr, width); |
329 |
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cairo_stroke (cr); |
330 |
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} |
331 |
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#else |
332 |
static void |
static void |
333 |
osm_gps_map_osd_labels(cairo_t *cr, gint width, gboolean enabled) { |
osm_gps_map_osd_labels(cairo_t *cr, gint width, gboolean enabled) { |
334 |
if(enabled) cairo_set_source_rgb (cr, OSD_COLOR); |
if(enabled) cairo_set_source_rgb (cr, OSD_COLOR); |
336 |
cairo_set_line_width (cr, width); |
cairo_set_line_width (cr, width); |
337 |
cairo_stroke (cr); |
cairo_stroke (cr); |
338 |
} |
} |
339 |
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#endif |
340 |
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341 |
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#ifdef OSD_SHADOW_ENABLE |
342 |
static void |
static void |
343 |
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) { |
344 |
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 |
} |
} |
348 |
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#endif |
349 |
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350 |
static void |
static void |
351 |
osm_gps_map_osd_render(osm_gps_map_osd_t *osd) { |
osm_gps_map_osd_render(osm_gps_map_osd_t *osd) { |
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 |
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360 |
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#ifndef OSD_COLOR |
361 |
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GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; |
362 |
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GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; |
363 |
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GdkColor da = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_INSENSITIVE]; |
364 |
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#endif |
365 |
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366 |
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
367 |
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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 |
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371 |
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#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 |
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#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 |
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#endif |
378 |
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#endif |
379 |
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380 |
/* --------- draw zoom and dpad shape ----------- */ |
/* --------- draw zoom and dpad shape ----------- */ |
381 |
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382 |
osm_gps_map_osd_zoom_shape(cr, x, y); |
osm_gps_map_osd_zoom_shape(cr, x, y); |
383 |
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#ifndef OSD_COLOR |
384 |
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osm_gps_map_osd_shape(cr, &bg, &fg); |
385 |
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#else |
386 |
osm_gps_map_osd_shape(cr); |
osm_gps_map_osd_shape(cr); |
387 |
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#endif |
388 |
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#ifndef OSD_NO_DPAD |
389 |
osm_gps_map_osd_dpad_shape(cr, x, y); |
osm_gps_map_osd_dpad_shape(cr, x, y); |
390 |
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#ifndef OSD_COLOR |
391 |
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osm_gps_map_osd_shape(cr, &bg, &fg); |
392 |
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#else |
393 |
osm_gps_map_osd_shape(cr); |
osm_gps_map_osd_shape(cr); |
394 |
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#endif |
395 |
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#endif |
396 |
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397 |
/* --------- draw zoom and dpad labels --------- */ |
/* --------- draw zoom and dpad labels --------- */ |
398 |
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399 |
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#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 |
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#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 |
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#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 |
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#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, osd->cb != NULL); |
osm_gps_map_osd_labels_shadow(cr, Z_RAD/6, osd->cb != NULL); |
408 |
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#endif |
409 |
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#endif |
410 |
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411 |
osm_gps_map_osd_zoom_labels(cr, x, y); |
osm_gps_map_osd_zoom_labels(cr, x, y); |
412 |
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#ifndef OSD_NO_DPAD |
413 |
osm_gps_map_osd_dpad_labels(cr, x, y); |
osm_gps_map_osd_dpad_labels(cr, x, y); |
414 |
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#endif |
415 |
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#ifndef OSD_COLOR |
416 |
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osm_gps_map_osd_labels(cr, Z_RAD/3, TRUE, &fg, &da); |
417 |
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#else |
418 |
osm_gps_map_osd_labels(cr, Z_RAD/3, TRUE); |
osm_gps_map_osd_labels(cr, Z_RAD/3, TRUE); |
419 |
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#endif |
420 |
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#ifdef OSD_GPS_BUTTON |
421 |
osm_gps_map_osd_dpad_gps(cr, x, y); |
osm_gps_map_osd_dpad_gps(cr, x, y); |
422 |
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#ifndef OSD_COLOR |
423 |
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osm_gps_map_osd_labels(cr, Z_RAD/6, osd->cb != NULL, &fg, &da); |
424 |
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#else |
425 |
osm_gps_map_osd_labels(cr, Z_RAD/6, osd->cb != NULL); |
osm_gps_map_osd_labels(cr, Z_RAD/6, osd->cb != NULL); |
426 |
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#endif |
427 |
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#endif |
428 |
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429 |
cairo_destroy(cr); |
cairo_destroy(cr); |
430 |
} |
} |
431 |
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432 |
static void |
static void |
433 |
osm_gps_map_osd_draw(osm_gps_map_osd_t *osd, gint xoffset, gint yoffset) |
osm_gps_map_osd_draw(osm_gps_map_osd_t *osd, GdkDrawable *drawable) |
434 |
{ |
{ |
435 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
436 |
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/* backup previous contents */ |
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if(!priv->backup) |
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priv->backup = gdk_pixmap_new(osd->pixmap, OSD_W+2, OSD_H+2, -1); |
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gint x = OSD_X + xoffset; |
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gint y = OSD_Y + yoffset; |
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/* create backup of background */ |
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gdk_draw_drawable(priv->backup, |
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osd->widget->style->fg_gc[GTK_WIDGET_STATE(osd->widget)], |
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osd->pixmap, x-1, y-1, 0, 0, OSD_W+2, OSD_H+2); |
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priv->backup_x = x-1; |
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priv->backup_y = y-1; |
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|
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->overlay) { |
if(!priv->overlay) { |
445 |
} |
} |
446 |
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|
447 |
// now draw this onto the original context |
// now draw this onto the original context |
448 |
cairo_t *cr = gdk_cairo_create(osd->pixmap); |
cairo_t *cr = gdk_cairo_create(drawable); |
449 |
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450 |
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int x = OSD_X, y = OSD_Y; |
451 |
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if(OSD_X < 0) |
452 |
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x = osd->widget->allocation.width - OSD_W + OSD_X; |
453 |
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454 |
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if(OSD_Y < 0) |
455 |
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y = osd->widget->allocation.height - OSD_H + OSD_Y; |
456 |
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|
457 |
cairo_set_source_surface(cr, priv->overlay, x, y); |
cairo_set_source_surface(cr, priv->overlay, x, y); |
458 |
cairo_paint(cr); |
cairo_paint(cr); |
459 |
cairo_destroy(cr); |
cairo_destroy(cr); |
460 |
} |
} |
461 |
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|
462 |
static void |
static void |
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osm_gps_map_osd_restore (osm_gps_map_osd_t *osd) |
|
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{ |
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osd_priv_t *priv = (osd_priv_t*)osd->priv; |
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/* restore backup of previous contents */ |
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if(priv->backup) { |
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/* create backup of background */ |
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gdk_draw_drawable(osd->pixmap, |
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osd->widget->style->fg_gc[GTK_WIDGET_STATE(osd->widget)], |
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priv->backup, 0, 0, |
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priv->backup_x, priv->backup_y, OSD_W+2, OSD_H+2); |
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} |
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} |
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static void |
|
463 |
osm_gps_map_osd_free(osm_gps_map_osd_t *osd) |
osm_gps_map_osd_free(osm_gps_map_osd_t *osd) |
464 |
{ |
{ |
465 |
osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
466 |
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if (priv->backup) |
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g_object_unref(priv->backup); |
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|
467 |
if (priv->overlay) |
if (priv->overlay) |
468 |
cairo_surface_destroy(priv->overlay); |
cairo_surface_destroy(priv->overlay); |
469 |
|
|
471 |
} |
} |
472 |
|
|
473 |
static osm_gps_map_osd_t osd_classic = { |
static osm_gps_map_osd_t osd_classic = { |
|
.restore = osm_gps_map_osd_restore, |
|
474 |
.draw = osm_gps_map_osd_draw, |
.draw = osm_gps_map_osd_draw, |
475 |
.check = osm_gps_map_osd_check, |
.check = osm_gps_map_osd_check, |
476 |
.render = osm_gps_map_osd_render, |
.render = osm_gps_map_osd_render, |
493 |
osm_gps_map_register_osd(map, &osd_classic); |
osm_gps_map_register_osd(map, &osd_classic); |
494 |
} |
} |
495 |
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|
496 |
|
#ifdef OSD_GPS_BUTTON |
497 |
void osm_gps_map_osd_enable_gps (OsmGpsMap *map, OsmGpsMapOsdCallback cb, gpointer data) { |
/* 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 |
|
void osm_gps_map_osd_enable_gps (OsmGpsMap *map, OsmGpsMapOsdCallback cb, |
500 |
|
gpointer data) { |
501 |
osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
502 |
|
|
503 |
g_return_if_fail (osd); |
g_return_if_fail (osd); |
511 |
|
|
512 |
osm_gps_map_redraw(map); |
osm_gps_map_redraw(map); |
513 |
} |
} |
514 |
|
#endif |