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#include "config.h" |
#include "config.h" |
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#include <stdlib.h> // abs |
#include <stdlib.h> // abs |
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#include <string.h> |
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#include <math.h> // M_PI/cos() |
#include <math.h> // M_PI/cos() |
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/* parameters that can be overwritten from the config file: */ |
/* parameters that can be overwritten from the config file: */ |
26 |
/* OSD_DIAMETER */ |
/* OSD_DIAMETER */ |
27 |
/* OSD_X, OSD_Y */ |
/* OSD_X, OSD_Y */ |
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#define OSD_SCALE |
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#define OSD_SCALE_W 120 |
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#define OSD_SCALE_H 20 |
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#ifndef USE_CAIRO |
#ifndef USE_CAIRO |
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#error "OSD control display lacks a non-cairo implementation!" |
#error "OSD control display lacks a non-cairo implementation!" |
31 |
#endif |
#endif |
33 |
#include <cairo.h> |
#include <cairo.h> |
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35 |
#include "osm-gps-map.h" |
#include "osm-gps-map.h" |
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#include "converter.h" |
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#include "osm-gps-map-osd-classic.h" |
#include "osm-gps-map-osd-classic.h" |
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39 |
//the osd controls |
//the osd controls |
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typedef struct { |
typedef struct { |
41 |
/* the offscreen representation of the OSD */ |
/* the offscreen representation of the OSD */ |
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cairo_surface_t *overlay; |
struct { |
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cairo_surface_t *surface; |
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gboolean rendered; |
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#ifdef OSD_GPS_BUTTON |
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gboolean gps_enabled; |
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#endif |
48 |
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} controls; |
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50 |
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#ifdef OSD_BALLOON |
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//a balloon with additional info |
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struct { |
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cairo_surface_t *surface; |
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int orientation, offset_x, offset_y; |
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56 |
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gboolean just_created; |
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float lat, lon; |
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OsmGpsMapRect_t rect; |
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/* function called to have the user app draw the contents */ |
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OsmGpsMapBalloonCallback cb; |
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gpointer data; |
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} balloon; |
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#endif |
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66 |
#ifdef OSD_SCALE |
#ifdef OSD_SCALE |
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cairo_surface_t *scale; |
struct { |
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cairo_surface_t *surface; |
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int zoom; |
70 |
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} scale; |
71 |
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#endif |
72 |
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73 |
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#ifdef OSD_CROSSHAIR |
74 |
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struct { |
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cairo_surface_t *surface; |
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gboolean rendered; |
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} crosshair; |
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#endif |
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80 |
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#ifdef OSD_NAV |
81 |
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struct { |
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cairo_surface_t *surface; |
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float lat, lon; |
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char *name; |
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} nav; |
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#endif |
87 |
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88 |
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#ifdef OSD_COORDINATES |
89 |
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struct { |
90 |
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cairo_surface_t *surface; |
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float lat, lon; |
92 |
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} coordinates; |
93 |
#endif |
#endif |
94 |
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95 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
96 |
/* values to handle the "source" menu */ |
struct { |
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cairo_surface_t *map_source; |
/* values to handle the "source" menu */ |
98 |
gboolean expanded; |
cairo_surface_t *surface; |
99 |
gint shift, dir, count; |
gboolean expanded; |
100 |
gint handler_id; |
gint shift, dir, count; |
101 |
gint width, height; |
gint handler_id; |
102 |
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gint width, height; |
103 |
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gboolean rendered; |
104 |
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} source_sel; |
105 |
#endif |
#endif |
106 |
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107 |
} osd_priv_t; |
} osd_priv_t; |
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109 |
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#ifdef OSD_BALLOON |
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/* most visual effects are hardcoded by now, but may be made */ |
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/* available via properties later */ |
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#ifndef BALLOON_AREA_WIDTH |
113 |
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#define BALLOON_AREA_WIDTH 290 |
114 |
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#endif |
115 |
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#ifndef BALLOON_AREA_HEIGHT |
116 |
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#define BALLOON_AREA_HEIGHT 75 |
117 |
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#endif |
118 |
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#ifndef BALLOON_CORNER_RADIUS |
119 |
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#define BALLOON_CORNER_RADIUS 10 |
120 |
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#endif |
121 |
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122 |
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#define BALLOON_BORDER (BALLOON_CORNER_RADIUS/2) |
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#define BALLOON_WIDTH (BALLOON_AREA_WIDTH + 2 * BALLOON_BORDER) |
124 |
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#define BALLOON_HEIGHT (BALLOON_AREA_HEIGHT + 2 * BALLOON_BORDER) |
125 |
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#define BALLOON_TRANSPARENCY 0.8 |
126 |
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#define POINTER_HEIGHT 20 |
127 |
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#define POINTER_FOOT_WIDTH 20 |
128 |
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#define POINTER_OFFSET (BALLOON_CORNER_RADIUS*3/4) |
129 |
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#define BALLOON_SHADOW (BALLOON_CORNER_RADIUS/2) |
130 |
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#define BALLOON_SHADOW_TRANSPARENCY 0.2 |
131 |
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132 |
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#define BALLOON_W (BALLOON_WIDTH + BALLOON_SHADOW) |
133 |
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#define BALLOON_H (BALLOON_HEIGHT + POINTER_HEIGHT + BALLOON_SHADOW) |
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135 |
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#define CLOSE_BUTTON_RADIUS (BALLOON_CORNER_RADIUS) |
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137 |
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138 |
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/* draw the bubble shape. this is used twice, once for the shape and once */ |
139 |
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/* for the shadow */ |
140 |
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static void |
141 |
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osm_gps_map_draw_balloon_shape (cairo_t *cr, int x0, int y0, int x1, int y1, |
142 |
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gboolean bottom, int px, int py, int px0, int px1) { |
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144 |
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cairo_move_to (cr, x0, y0 + BALLOON_CORNER_RADIUS); |
145 |
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cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, |
146 |
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BALLOON_CORNER_RADIUS, -M_PI, -M_PI/2); |
147 |
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if(!bottom) { |
148 |
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/* insert top pointer */ |
149 |
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cairo_line_to (cr, px1, y0); |
150 |
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cairo_line_to (cr, px, py); |
151 |
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cairo_line_to (cr, px0, y0); |
152 |
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} |
153 |
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154 |
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cairo_line_to (cr, x1 - BALLOON_CORNER_RADIUS, y0); |
155 |
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cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, |
156 |
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BALLOON_CORNER_RADIUS, -M_PI/2, 0); |
157 |
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cairo_line_to (cr, x1 , y1 - BALLOON_CORNER_RADIUS); |
158 |
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cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, |
159 |
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BALLOON_CORNER_RADIUS, 0, M_PI/2); |
160 |
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if(bottom) { |
161 |
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/* insert bottom pointer */ |
162 |
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cairo_line_to (cr, px0, y1); |
163 |
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cairo_line_to (cr, px, py); |
164 |
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cairo_line_to (cr, px1, y1); |
165 |
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} |
166 |
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167 |
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cairo_line_to (cr, x0 + BALLOON_CORNER_RADIUS, y1); |
168 |
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cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, |
169 |
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BALLOON_CORNER_RADIUS, M_PI/2, M_PI); |
170 |
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171 |
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cairo_close_path (cr); |
172 |
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} |
173 |
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174 |
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static void |
175 |
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osd_render_balloon(osm_gps_map_osd_t *osd) { |
176 |
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osd_priv_t *priv = (osd_priv_t*)osd->priv; |
177 |
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178 |
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/* get zoom */ |
179 |
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gint zoom; |
180 |
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g_object_get(OSM_GPS_MAP(osd->widget), "zoom", &zoom, NULL); |
181 |
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182 |
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/* ------- convert given coordinate into screen position --------- */ |
183 |
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gint xs, ys; |
184 |
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osm_gps_map_geographic_to_screen (OSM_GPS_MAP(osd->widget), |
185 |
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priv->balloon.lat, priv->balloon.lon, |
186 |
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&xs, &ys); |
187 |
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188 |
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gint x0 = 1, y0 = 1; |
189 |
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190 |
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/* check position of this relative to screen center to determine */ |
191 |
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/* pointer direction ... */ |
192 |
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int pointer_x, pointer_x0, pointer_x1; |
193 |
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int pointer_y; |
194 |
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195 |
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/* ... and calculate position */ |
196 |
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int orientation = 0; |
197 |
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if(xs > osd->widget->allocation.width/2) { |
198 |
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priv->balloon.offset_x = -BALLOON_WIDTH + POINTER_OFFSET; |
199 |
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pointer_x = x0 - priv->balloon.offset_x; |
200 |
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pointer_x0 = pointer_x - (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
201 |
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pointer_x1 = pointer_x0 - POINTER_FOOT_WIDTH; |
202 |
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orientation |= 1; |
203 |
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} else { |
204 |
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priv->balloon.offset_x = -POINTER_OFFSET; |
205 |
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pointer_x = x0 - priv->balloon.offset_x; |
206 |
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pointer_x1 = pointer_x + (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
207 |
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pointer_x0 = pointer_x1 + POINTER_FOOT_WIDTH; |
208 |
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} |
209 |
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210 |
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gboolean bottom = FALSE; |
211 |
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if(ys > osd->widget->allocation.height/2) { |
212 |
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priv->balloon.offset_y = -BALLOON_HEIGHT - POINTER_HEIGHT; |
213 |
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pointer_y = y0 - priv->balloon.offset_y; |
214 |
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bottom = TRUE; |
215 |
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orientation |= 2; |
216 |
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} else { |
217 |
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priv->balloon.offset_y = 0; |
218 |
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pointer_y = y0 - priv->balloon.offset_y; |
219 |
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y0 += POINTER_HEIGHT; |
220 |
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} |
221 |
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222 |
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/* if required orientation equals current one, then don't render */ |
223 |
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/* anything */ |
224 |
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if(orientation == priv->balloon.orientation) |
225 |
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return; |
226 |
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227 |
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priv->balloon.orientation = orientation; |
228 |
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229 |
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/* calculate bottom/right of box */ |
230 |
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int x1 = x0 + BALLOON_WIDTH, y1 = y0 + BALLOON_HEIGHT; |
231 |
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232 |
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/* save balloon screen coordinates for later use */ |
233 |
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priv->balloon.rect.x = x0 + BALLOON_BORDER; |
234 |
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priv->balloon.rect.y = y0 + BALLOON_BORDER; |
235 |
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priv->balloon.rect.w = x1 - x0 - 2*BALLOON_BORDER; |
236 |
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priv->balloon.rect.h = y1 - y0 - 2*BALLOON_BORDER; |
237 |
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238 |
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cairo_t *cr = cairo_create(priv->balloon.surface); |
239 |
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
240 |
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cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); |
241 |
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cairo_paint(cr); |
242 |
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
243 |
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244 |
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/* --------- draw shadow --------------- */ |
245 |
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osm_gps_map_draw_balloon_shape (cr, |
246 |
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x0 + BALLOON_SHADOW, y0 + BALLOON_SHADOW, |
247 |
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x1 + BALLOON_SHADOW, y1 + BALLOON_SHADOW, |
248 |
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bottom, pointer_x, pointer_y, |
249 |
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pointer_x0 + BALLOON_SHADOW, pointer_x1 + BALLOON_SHADOW); |
250 |
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251 |
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cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_SHADOW_TRANSPARENCY); |
252 |
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cairo_fill_preserve (cr); |
253 |
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cairo_set_source_rgba (cr, 1, 0, 0, 1.0); |
254 |
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cairo_set_line_width (cr, 0); |
255 |
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cairo_stroke (cr); |
256 |
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257 |
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/* --------- draw main shape ----------- */ |
258 |
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osm_gps_map_draw_balloon_shape (cr, x0, y0, x1, y1, |
259 |
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bottom, pointer_x, pointer_y, pointer_x0, pointer_x1); |
260 |
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261 |
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cairo_set_source_rgba (cr, 1, 1, 1, BALLOON_TRANSPARENCY); |
262 |
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cairo_fill_preserve (cr); |
263 |
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cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_TRANSPARENCY); |
264 |
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cairo_set_line_width (cr, 1); |
265 |
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cairo_stroke (cr); |
266 |
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267 |
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if (priv->balloon.cb) { |
268 |
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/* clip in case application tries to draw in */ |
269 |
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/* exceed of the balloon */ |
270 |
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cairo_rectangle (cr, priv->balloon.rect.x, priv->balloon.rect.y, |
271 |
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priv->balloon.rect.w, priv->balloon.rect.h); |
272 |
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cairo_clip (cr); |
273 |
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cairo_new_path (cr); /* current path is not |
274 |
|
consumed by cairo_clip() */ |
275 |
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276 |
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priv->balloon.cb(cr, &priv->balloon.rect, priv->balloon.data); |
277 |
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} |
278 |
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279 |
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cairo_destroy(cr); |
280 |
|
} |
281 |
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282 |
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/* return true if balloon is being displayed and if */ |
283 |
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/* the given coordinate is within this balloon */ |
284 |
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static gboolean |
285 |
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osd_balloon_check(osm_gps_map_osd_t *osd, gboolean down, gint x, gint y) |
286 |
|
{ |
287 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
288 |
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289 |
|
if(!priv->balloon.surface) |
290 |
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return FALSE; |
291 |
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292 |
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gint xs, ys; |
293 |
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osm_gps_map_geographic_to_screen (OSM_GPS_MAP(osd->widget), |
294 |
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priv->balloon.lat, priv->balloon.lon, |
295 |
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&xs, &ys); |
296 |
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297 |
|
xs += priv->balloon.rect.x + priv->balloon.offset_x; |
298 |
|
ys += priv->balloon.rect.y + priv->balloon.offset_y; |
299 |
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|
300 |
|
gboolean is_in = |
301 |
|
(x > xs) && (x < xs + priv->balloon.rect.w) && |
302 |
|
(y > ys) && (y < ys + priv->balloon.rect.h); |
303 |
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304 |
|
/* handle the fact that the balloon may have been created by the */ |
305 |
|
/* button down event */ |
306 |
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if(!is_in && !down && !priv->balloon.just_created) { |
307 |
|
/* the user actually clicked outside the balloon */ |
308 |
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309 |
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/* close the balloon! */ |
310 |
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osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(osd->widget)); |
311 |
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} |
312 |
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313 |
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return is_in; |
314 |
|
} |
315 |
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316 |
|
void osm_gps_map_osd_clear_balloon (OsmGpsMap *map) { |
317 |
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
318 |
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319 |
|
osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
320 |
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g_return_if_fail (osd); |
321 |
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322 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
323 |
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g_return_if_fail (priv); |
324 |
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325 |
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if(priv->balloon.surface) { |
326 |
|
cairo_surface_destroy(priv->balloon.surface); |
327 |
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priv->balloon.surface = NULL; |
328 |
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priv->balloon.lat = OSM_GPS_MAP_INVALID; |
329 |
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priv->balloon.lon = OSM_GPS_MAP_INVALID; |
330 |
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} |
331 |
|
osm_gps_map_redraw(map); |
332 |
|
} |
333 |
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334 |
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void |
335 |
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osm_gps_map_osd_draw_balloon (OsmGpsMap *map, float latitude, float longitude, |
336 |
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OsmGpsMapBalloonCallback cb, gpointer data) { |
337 |
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g_return_if_fail (OSM_IS_GPS_MAP (map)); |
338 |
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339 |
|
osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
340 |
|
g_return_if_fail (osd); |
341 |
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342 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
343 |
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g_return_if_fail (priv); |
344 |
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345 |
|
osm_gps_map_osd_clear_balloon (map); |
346 |
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347 |
|
/* allocate balloon surface */ |
348 |
|
priv->balloon.surface = |
349 |
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cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
350 |
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BALLOON_W+2, BALLOON_H+2); |
351 |
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352 |
|
priv->balloon.lat = latitude; |
353 |
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priv->balloon.lon = longitude; |
354 |
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priv->balloon.cb = cb; |
355 |
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priv->balloon.data = data; |
356 |
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priv->balloon.just_created = TRUE; |
357 |
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358 |
|
priv->balloon.orientation = -1; |
359 |
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360 |
|
osd_render_balloon(osd); |
361 |
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362 |
|
osm_gps_map_redraw(map); |
363 |
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} |
364 |
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365 |
|
#endif // OSD_BALLOON |
366 |
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|
367 |
/* position and extent of bounding box */ |
/* position and extent of bounding box */ |
368 |
#ifndef OSD_X |
#ifndef OSD_X |
369 |
#define OSD_X (10) |
#define OSD_X (10) |
586 |
#define OSD_S_H (OSD_S_PH + OSD_SHADOW) |
#define OSD_S_H (OSD_S_PH + OSD_SHADOW) |
587 |
|
|
588 |
/* size of usable area when expanded */ |
/* size of usable area when expanded */ |
589 |
#define OSD_S_AREA_W (priv->width) |
#define OSD_S_AREA_W (priv->source_sel.width) |
590 |
#define OSD_S_AREA_H (priv->height) |
#define OSD_S_AREA_H (priv->source_sel.height) |
591 |
#define OSD_S_EXP_W (OSD_S_PW + OSD_S_AREA_W + OSD_SHADOW) |
#define OSD_S_EXP_W (OSD_S_PW + OSD_S_AREA_W + OSD_SHADOW) |
592 |
#define OSD_S_EXP_H (OSD_S_AREA_H + OSD_SHADOW) |
#define OSD_S_EXP_H (OSD_S_AREA_H + OSD_SHADOW) |
593 |
|
|
603 |
/* or the entire menu incl. the puller (expanded) */ |
/* or the entire menu incl. the puller (expanded) */ |
604 |
static void |
static void |
605 |
osd_source_shape(osd_priv_t *priv, cairo_t *cr, gint x, gint y) { |
osd_source_shape(osd_priv_t *priv, cairo_t *cr, gint x, gint y) { |
606 |
if(!priv->expanded) { |
if(!priv->source_sel.expanded) { |
607 |
/* just draw the puller */ |
/* just draw the puller */ |
608 |
cairo_move_to (cr, x + OSD_S_PW, y + OSD_S_PH); |
cairo_move_to (cr, x + OSD_S_PW, y + OSD_S_PH); |
609 |
cairo_arc (cr, x+OSD_S_RAD, y+OSD_S_RAD, OSD_S_RAD, M_PI/2, -M_PI/2); |
cairo_arc (cr, x+OSD_S_RAD, y+OSD_S_RAD, OSD_S_RAD, M_PI/2, -M_PI/2); |
631 |
|
|
632 |
int py = offset + OSD_S_RAD - OSD_S_D0; |
int py = offset + OSD_S_RAD - OSD_S_D0; |
633 |
|
|
634 |
if(!priv->expanded) { |
if(!priv->source_sel.expanded) { |
635 |
/* draw the "puller" open (<) arrow */ |
/* draw the "puller" open (<) arrow */ |
636 |
cairo_move_to (cr, offset + OSD_S_RAD + OSD_S_D0/2, py); |
cairo_move_to (cr, offset + OSD_S_RAD + OSD_S_D0/2, py); |
637 |
cairo_rel_line_to (cr, -OSD_S_D0, +OSD_S_D0); |
cairo_rel_line_to (cr, -OSD_S_D0, +OSD_S_D0); |
656 |
CAIRO_FONT_WEIGHT_BOLD); |
CAIRO_FONT_WEIGHT_BOLD); |
657 |
cairo_set_font_size (cr, OSD_FONT_SIZE); |
cairo_set_font_size (cr, OSD_FONT_SIZE); |
658 |
|
|
659 |
int i, step = (priv->height - 2*OSD_TEXT_BORDER) / |
int i, step = (priv->source_sel.height - 2*OSD_TEXT_BORDER) / |
660 |
OSM_GPS_MAP_SOURCE_LAST; |
OSM_GPS_MAP_SOURCE_LAST; |
661 |
for(i=OSM_GPS_MAP_SOURCE_NULL+1;i<=OSM_GPS_MAP_SOURCE_LAST;i++) { |
for(i=OSM_GPS_MAP_SOURCE_NULL+1;i<=OSM_GPS_MAP_SOURCE_LAST;i++) { |
662 |
cairo_text_extents_t extents; |
cairo_text_extents_t extents; |
670 |
if(source == i) { |
if(source == i) { |
671 |
cairo_rectangle(cr, x - OSD_TEXT_BORDER/2, |
cairo_rectangle(cr, x - OSD_TEXT_BORDER/2, |
672 |
y - OSD_TEXT_SKIP, |
y - OSD_TEXT_SKIP, |
673 |
priv->width - OSD_TEXT_BORDER, |
priv->source_sel.width - OSD_TEXT_BORDER, |
674 |
step + OSD_TEXT_SKIP); |
step + OSD_TEXT_SKIP); |
675 |
cairo_fill(cr); |
cairo_fill(cr); |
676 |
|
|
701 |
} |
} |
702 |
|
|
703 |
static void |
static void |
704 |
osd_render_source_sel(osm_gps_map_osd_t *osd) { |
osd_render_source_sel(osm_gps_map_osd_t *osd, gboolean force_rerender) { |
705 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
706 |
|
|
707 |
|
if(priv->source_sel.rendered && !force_rerender) |
708 |
|
return; |
709 |
|
|
710 |
|
priv->source_sel.rendered = TRUE; |
711 |
|
|
712 |
#ifndef OSD_COLOR |
#ifndef OSD_COLOR |
713 |
GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; |
GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; |
714 |
GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; |
GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; |
716 |
#endif |
#endif |
717 |
|
|
718 |
/* draw source selector */ |
/* draw source selector */ |
719 |
cairo_t *cr = cairo_create(priv->map_source); |
cairo_t *cr = cairo_create(priv->source_sel.surface); |
720 |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
721 |
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); |
722 |
cairo_paint(cr); |
cairo_paint(cr); |
757 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
758 |
|
|
759 |
/* re-allocate offscreen bitmap */ |
/* re-allocate offscreen bitmap */ |
760 |
g_assert (priv->map_source); |
g_assert (priv->source_sel.surface); |
761 |
|
|
762 |
int w = OSD_S_W, h = OSD_S_H; |
int w = OSD_S_W, h = OSD_S_H; |
763 |
if(priv->expanded) { |
if(priv->source_sel.expanded) { |
764 |
cairo_text_extents_t extents; |
cairo_text_extents_t extents; |
765 |
|
|
766 |
/* determine content size */ |
/* determine content size */ |
767 |
cairo_t *cr = cairo_create(priv->map_source); |
cairo_t *cr = cairo_create(priv->source_sel.surface); |
768 |
cairo_select_font_face (cr, "Sans", |
cairo_select_font_face (cr, "Sans", |
769 |
CAIRO_FONT_SLANT_NORMAL, |
CAIRO_FONT_SLANT_NORMAL, |
770 |
CAIRO_FONT_WEIGHT_BOLD); |
CAIRO_FONT_WEIGHT_BOLD); |
781 |
} |
} |
782 |
cairo_destroy(cr); |
cairo_destroy(cr); |
783 |
|
|
784 |
priv->width = max_w + 2*OSD_TEXT_BORDER; |
priv->source_sel.width = max_w + 2*OSD_TEXT_BORDER; |
785 |
priv->height = OSM_GPS_MAP_SOURCE_LAST * |
priv->source_sel.height = OSM_GPS_MAP_SOURCE_LAST * |
786 |
(max_h + 2*OSD_TEXT_SKIP) + 2*OSD_TEXT_BORDER; |
(max_h + 2*OSD_TEXT_SKIP) + 2*OSD_TEXT_BORDER; |
787 |
|
|
788 |
w = OSD_S_EXP_W; |
w = OSD_S_EXP_W; |
789 |
h = OSD_S_EXP_H; |
h = OSD_S_EXP_H; |
790 |
} |
} |
791 |
|
|
792 |
cairo_surface_destroy(priv->map_source); |
cairo_surface_destroy(priv->source_sel.surface); |
793 |
priv->map_source = |
priv->source_sel.surface = |
794 |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w+2, h+2); |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w+2, h+2); |
795 |
|
|
796 |
osd_render_source_sel(osd); |
osd_render_source_sel(osd, TRUE); |
797 |
} |
} |
798 |
|
|
799 |
#define OSD_HZ 15 |
#define OSD_HZ 15 |
804 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
805 |
int diff = OSD_S_EXP_W - OSD_S_W - OSD_S_X; |
int diff = OSD_S_EXP_W - OSD_S_W - OSD_S_X; |
806 |
gboolean done = FALSE; |
gboolean done = FALSE; |
807 |
priv->count += priv->dir; |
priv->source_sel.count += priv->source_sel.dir; |
808 |
|
|
809 |
/* shifting in */ |
/* shifting in */ |
810 |
if(priv->dir < 0) { |
if(priv->source_sel.dir < 0) { |
811 |
if(priv->count <= 0) { |
if(priv->source_sel.count <= 0) { |
812 |
priv->count = 0; |
priv->source_sel.count = 0; |
813 |
done = TRUE; |
done = TRUE; |
814 |
} |
} |
815 |
} else { |
} else { |
816 |
if(priv->count >= 1000) { |
if(priv->source_sel.count >= 1000) { |
817 |
priv->expanded = FALSE; |
priv->source_sel.expanded = FALSE; |
818 |
osd_source_reallocate(osd); |
osd_source_reallocate(osd); |
819 |
|
|
820 |
priv->count = 1000; |
priv->source_sel.count = 1000; |
821 |
done = TRUE; |
done = TRUE; |
822 |
} |
} |
823 |
} |
} |
825 |
|
|
826 |
/* count runs linearly from 0 to 1000, map this nicely onto a position */ |
/* count runs linearly from 0 to 1000, map this nicely onto a position */ |
827 |
|
|
828 |
/* nicer sinoid mapping */ |
/* nice sinoid mapping */ |
829 |
float m = 0.5-cos(priv->count * M_PI / 1000.0)/2; |
float m = 0.5-cos(priv->source_sel.count * M_PI / 1000.0)/2; |
830 |
priv->shift = (osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X) + |
priv->source_sel.shift = |
831 |
|
(osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X) + |
832 |
m * diff; |
m * diff; |
833 |
|
|
834 |
|
/* make sure the screen is updated */ |
835 |
osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); |
osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); |
836 |
|
|
837 |
|
/* stop animation if done */ |
838 |
if(done) |
if(done) |
839 |
priv->handler_id = 0; |
priv->source_sel.handler_id = 0; |
840 |
|
|
841 |
return !done; |
return !done; |
842 |
} |
} |
848 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
849 |
|
|
850 |
/* ignore clicks while animation is running */ |
/* ignore clicks while animation is running */ |
851 |
if(priv->handler_id) |
if(priv->source_sel.handler_id) |
852 |
return; |
return; |
853 |
|
|
854 |
/* expand immediately, collapse is handle at the end of the collapse animation */ |
/* expand immediately, collapse is handle at the end of the */ |
855 |
if(!priv->expanded) { |
/* collapse animation */ |
856 |
priv->expanded = TRUE; |
if(!priv->source_sel.expanded) { |
857 |
|
priv->source_sel.expanded = TRUE; |
858 |
osd_source_reallocate(osd); |
osd_source_reallocate(osd); |
859 |
|
|
860 |
priv->count = 1000; |
priv->source_sel.count = 1000; |
861 |
priv->shift = osd->widget->allocation.width - OSD_S_W; |
priv->source_sel.shift = osd->widget->allocation.width - OSD_S_W; |
862 |
priv->dir = -1000/OSD_HZ; |
priv->source_sel.dir = -1000/OSD_HZ; |
863 |
} else { |
} else { |
864 |
priv->count = 0; |
priv->source_sel.count = 0; |
865 |
priv->shift = osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; |
priv->source_sel.shift = osd->widget->allocation.width - |
866 |
priv->dir = +1000/OSD_HZ; |
OSD_S_EXP_W + OSD_S_X; |
867 |
|
priv->source_sel.dir = +1000/OSD_HZ; |
868 |
} |
} |
869 |
|
|
870 |
priv->handler_id = gtk_timeout_add(OSD_TIME/OSD_HZ, osd_source_animate, osd); |
/* start timer to handle animation */ |
871 |
|
priv->source_sel.handler_id = gtk_timeout_add(OSD_TIME/OSD_HZ, |
872 |
|
osd_source_animate, osd); |
873 |
} |
} |
874 |
|
|
875 |
/* check if the user clicked inside the source selection area */ |
/* check if the user clicked inside the source selection area */ |
876 |
static osd_button_t |
static osd_button_t |
877 |
osd_source_check(osm_gps_map_osd_t *osd, gint x, gint y) { |
osd_source_check(osm_gps_map_osd_t *osd, gboolean down, gint x, gint y) { |
878 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
879 |
|
|
880 |
if(!priv->expanded) |
if(!priv->source_sel.expanded) |
881 |
x -= osd->widget->allocation.width - OSD_S_W; |
x -= osd->widget->allocation.width - OSD_S_W; |
882 |
else |
else |
883 |
x -= osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; |
x -= osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; |
892 |
/* really within puller shape? */ |
/* really within puller shape? */ |
893 |
if(x > Z_RAD || osm_gps_map_in_circle(x, y, Z_RAD, Z_RAD, Z_RAD)) { |
if(x > Z_RAD || osm_gps_map_in_circle(x, y, Z_RAD, Z_RAD, Z_RAD)) { |
894 |
/* expand source selector */ |
/* expand source selector */ |
895 |
osd_source_toggle(osd); |
if(down) |
896 |
|
osd_source_toggle(osd); |
897 |
|
|
898 |
/* tell upper layers that user clicked some background element */ |
/* tell upper layers that user clicked some background element */ |
899 |
/* of the OSD */ |
/* of the OSD */ |
902 |
} |
} |
903 |
|
|
904 |
/* check for clicks into data area */ |
/* check for clicks into data area */ |
905 |
if(priv->expanded && !priv->handler_id) { |
if(priv->source_sel.expanded && !priv->source_sel.handler_id) { |
906 |
/* re-adjust from puller top to content top */ |
/* re-adjust from puller top to content top */ |
907 |
if(OSD_S_Y < 0) |
if(OSD_S_Y < 0) |
908 |
y += OSD_S_EXP_H - OSD_S_PH; |
y += OSD_S_EXP_H - OSD_S_PH; |
912 |
y > 0 && |
y > 0 && |
913 |
y < OSD_S_EXP_H) { |
y < OSD_S_EXP_H) { |
914 |
|
|
915 |
int step = (priv->height - 2*OSD_TEXT_BORDER) |
int step = (priv->source_sel.height - 2*OSD_TEXT_BORDER) |
916 |
/ OSM_GPS_MAP_SOURCE_LAST; |
/ OSM_GPS_MAP_SOURCE_LAST; |
917 |
|
|
918 |
y -= OSD_TEXT_BORDER - OSD_TEXT_SKIP; |
y -= OSD_TEXT_BORDER - OSD_TEXT_SKIP; |
919 |
y /= step; |
y /= step; |
920 |
y += 1; |
y += 1; |
921 |
|
|
922 |
gint old = 0; |
if(down) { |
923 |
g_object_get(osd->widget, "map-source", &old, NULL); |
gint old = 0; |
924 |
|
g_object_get(osd->widget, "map-source", &old, NULL); |
925 |
if(y > OSM_GPS_MAP_SOURCE_NULL && |
|
926 |
y <= OSM_GPS_MAP_SOURCE_LAST && |
if(y > OSM_GPS_MAP_SOURCE_NULL && |
927 |
old != y) { |
y <= OSM_GPS_MAP_SOURCE_LAST && |
928 |
g_object_set(osd->widget, "map-source", y, NULL); |
old != y) { |
929 |
|
g_object_set(osd->widget, "map-source", y, NULL); |
930 |
osd_render_source_sel(osd); |
|
931 |
osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); |
osd_render_source_sel(osd, TRUE); |
932 |
|
osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); |
933 |
|
} |
934 |
} |
} |
935 |
|
|
936 |
/* return "clicked in OSD background" to prevent further */ |
/* return "clicked in OSD background" to prevent further */ |
944 |
#endif // OSD_SOURCE_SEL |
#endif // OSD_SOURCE_SEL |
945 |
|
|
946 |
static osd_button_t |
static osd_button_t |
947 |
osd_check(osm_gps_map_osd_t *osd, gint x, gint y) { |
osd_check(osm_gps_map_osd_t *osd, gboolean down, gint x, gint y) { |
948 |
osd_button_t but = OSD_NONE; |
osd_button_t but = OSD_NONE; |
949 |
|
|
950 |
|
#ifdef OSD_BALLOON |
951 |
|
if(down) { |
952 |
|
/* needed to handle balloons that are created at click */ |
953 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
954 |
|
priv->balloon.just_created = FALSE; |
955 |
|
} |
956 |
|
#endif |
957 |
|
|
958 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
959 |
/* the source selection area is handles internally */ |
/* the source selection area is handles internally */ |
960 |
but = osd_source_check(osd, x, y); |
but = osd_source_check(osd, down, x, y); |
|
if(but != OSD_NONE) |
|
|
return but; |
|
961 |
#endif |
#endif |
962 |
|
|
963 |
x -= OSD_X; |
if(but == OSD_NONE) { |
964 |
y -= OSD_Y; |
gint mx = x - OSD_X; |
965 |
|
gint my = y - OSD_Y; |
966 |
if(OSD_X < 0) |
|
967 |
x -= (osd->widget->allocation.width - OSD_W); |
if(OSD_X < 0) |
968 |
|
mx -= (osd->widget->allocation.width - OSD_W); |
969 |
if(OSD_Y < 0) |
|
970 |
y -= (osd->widget->allocation.height - OSD_H); |
if(OSD_Y < 0) |
971 |
|
my -= (osd->widget->allocation.height - OSD_H); |
972 |
/* first do a rough test for the OSD area. */ |
|
973 |
/* this is just to avoid an unnecessary detailed test */ |
/* first do a rough test for the OSD area. */ |
974 |
if(x > 0 && x < OSD_W && y > 0 && y < OSD_H) { |
/* this is just to avoid an unnecessary detailed test */ |
975 |
|
if(mx > 0 && mx < OSD_W && my > 0 && my < OSD_H) { |
976 |
#ifndef OSD_NO_DPAD |
#ifndef OSD_NO_DPAD |
977 |
but = osd_check_dpad(x, y); |
but = osd_check_dpad(mx, my); |
978 |
#endif |
#endif |
979 |
|
} |
980 |
|
|
981 |
if(but == OSD_NONE) |
if(but == OSD_NONE) |
982 |
but = osd_check_zoom(x, y); |
but = osd_check_zoom(mx, my); |
983 |
} |
} |
984 |
|
|
985 |
|
#ifdef OSD_BALLOON |
986 |
|
if(but == OSD_NONE) { |
987 |
|
/* check if user clicked into balloon */ |
988 |
|
if(osd_balloon_check(osd, down, x, y)) |
989 |
|
but = OSD_BG; |
990 |
|
} |
991 |
|
#endif |
992 |
|
|
993 |
return but; |
return but; |
994 |
} |
} |
995 |
|
|
1063 |
cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); |
cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); |
1064 |
} |
} |
1065 |
|
|
1066 |
static char * |
#ifdef OSD_COORDINATES |
1067 |
dist_str_metric(int dist) |
|
1068 |
|
#ifndef OSD_COORDINATES_FONT_SIZE |
1069 |
|
#define OSD_COORDINATES_FONT_SIZE 12 |
1070 |
|
#endif |
1071 |
|
|
1072 |
|
#define OSD_COORDINATES_OFFSET (OSD_COORDINATES_FONT_SIZE/6) |
1073 |
|
|
1074 |
|
#define OSD_COORDINATES_W (8*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET) |
1075 |
|
#define OSD_COORDINATES_H (2*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET+OSD_COORDINATES_FONT_SIZE/4) |
1076 |
|
|
1077 |
|
/* these can be overwritten with versions that support */ |
1078 |
|
/* localization */ |
1079 |
|
#ifndef OSD_COORDINATES_CHR_N |
1080 |
|
#define OSD_COORDINATES_CHR_N "N" |
1081 |
|
#endif |
1082 |
|
#ifndef OSD_COORDINATES_CHR_S |
1083 |
|
#define OSD_COORDINATES_CHR_S "S" |
1084 |
|
#endif |
1085 |
|
#ifndef OSD_COORDINATES_CHR_E |
1086 |
|
#define OSD_COORDINATES_CHR_E "E" |
1087 |
|
#endif |
1088 |
|
#ifndef OSD_COORDINATES_CHR_W |
1089 |
|
#define OSD_COORDINATES_CHR_W "W" |
1090 |
|
#endif |
1091 |
|
|
1092 |
|
|
1093 |
|
|
1094 |
|
/* this is the classic geocaching notation */ |
1095 |
|
static char |
1096 |
|
*osd_latitude_str(float latitude) { |
1097 |
|
char *c = OSD_COORDINATES_CHR_N; |
1098 |
|
float integral, fractional; |
1099 |
|
|
1100 |
|
if(isnan(latitude)) |
1101 |
|
return NULL; |
1102 |
|
|
1103 |
|
if(latitude < 0) { |
1104 |
|
latitude = fabs(latitude); |
1105 |
|
c = OSD_COORDINATES_CHR_S; |
1106 |
|
} |
1107 |
|
|
1108 |
|
fractional = modff(latitude, &integral); |
1109 |
|
|
1110 |
|
return g_strdup_printf("%s %02d° %06.3f'", |
1111 |
|
c, (int)integral, fractional*60.0); |
1112 |
|
} |
1113 |
|
|
1114 |
|
static char |
1115 |
|
*osd_longitude_str(float longitude) { |
1116 |
|
char *c = OSD_COORDINATES_CHR_E; |
1117 |
|
float integral, fractional; |
1118 |
|
|
1119 |
|
if(isnan(longitude)) |
1120 |
|
return NULL; |
1121 |
|
|
1122 |
|
if(longitude < 0) { |
1123 |
|
longitude = fabs(longitude); |
1124 |
|
c = OSD_COORDINATES_CHR_W; |
1125 |
|
} |
1126 |
|
|
1127 |
|
fractional = modff(longitude, &integral); |
1128 |
|
|
1129 |
|
return g_strdup_printf("%s %03d° %06.3f'", |
1130 |
|
c, (int)integral, fractional*60.0); |
1131 |
|
} |
1132 |
|
|
1133 |
|
/* render a string at the given screen position */ |
1134 |
|
static int |
1135 |
|
osd_render_centered_text(cairo_t *cr, int y, int width, char *text) { |
1136 |
|
char *p = g_strdup(text); |
1137 |
|
cairo_text_extents_t extents; |
1138 |
|
cairo_text_extents (cr, p, &extents); |
1139 |
|
|
1140 |
|
/* check if text needs to be truncated */ |
1141 |
|
int len = strlen(text)-2; |
1142 |
|
while(extents.width > width) { |
1143 |
|
len--; |
1144 |
|
strcpy(p+len, "..."); |
1145 |
|
cairo_text_extents (cr, p, &extents); |
1146 |
|
} |
1147 |
|
|
1148 |
|
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
1149 |
|
cairo_set_line_width (cr, OSD_COORDINATES_FONT_SIZE/6); |
1150 |
|
cairo_move_to (cr, (width - extents.width)/2, y - extents.y_bearing); |
1151 |
|
cairo_text_path (cr, p); |
1152 |
|
cairo_stroke (cr); |
1153 |
|
|
1154 |
|
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); |
1155 |
|
cairo_move_to (cr, (width - extents.width)/2, y - extents.y_bearing); |
1156 |
|
cairo_show_text (cr, p); |
1157 |
|
|
1158 |
|
g_free(p); |
1159 |
|
|
1160 |
|
/* skip + 1/4 line */ |
1161 |
|
return y + 5*OSD_COORDINATES_FONT_SIZE/4; |
1162 |
|
} |
1163 |
|
|
1164 |
|
static void |
1165 |
|
osd_render_coordinates(osm_gps_map_osd_t *osd) |
1166 |
|
{ |
1167 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1168 |
|
|
1169 |
|
/* get current map position */ |
1170 |
|
gfloat lat, lon; |
1171 |
|
g_object_get(osd->widget, "latitude", &lat, "longitude", &lon, NULL); |
1172 |
|
|
1173 |
|
/* check if position has changed enough to require redraw */ |
1174 |
|
if(!isnan(priv->coordinates.lat) && !isnan(priv->coordinates.lon)) |
1175 |
|
/* 1/60000 == 1/1000 minute */ |
1176 |
|
if((fabsf(lat - priv->coordinates.lat) < 1/60000) && |
1177 |
|
(fabsf(lon - priv->coordinates.lon) < 1/60000)) |
1178 |
|
return; |
1179 |
|
|
1180 |
|
priv->coordinates.lat = lat; |
1181 |
|
priv->coordinates.lon = lon; |
1182 |
|
|
1183 |
|
/* first fill with transparency */ |
1184 |
|
cairo_t *cr = cairo_create(priv->coordinates.surface); |
1185 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1186 |
|
// cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 0.5); |
1187 |
|
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); |
1188 |
|
cairo_paint(cr); |
1189 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
1190 |
|
|
1191 |
|
cairo_select_font_face (cr, "Sans", |
1192 |
|
CAIRO_FONT_SLANT_NORMAL, |
1193 |
|
CAIRO_FONT_WEIGHT_BOLD); |
1194 |
|
cairo_set_font_size (cr, OSD_COORDINATES_FONT_SIZE); |
1195 |
|
|
1196 |
|
char *latitude = osd_latitude_str(lat); |
1197 |
|
char *longitude = osd_longitude_str(lon); |
1198 |
|
|
1199 |
|
int y = OSD_COORDINATES_OFFSET; |
1200 |
|
y = osd_render_centered_text(cr, y, OSD_COORDINATES_W, latitude); |
1201 |
|
y = osd_render_centered_text(cr, y, OSD_COORDINATES_W, longitude); |
1202 |
|
|
1203 |
|
g_free(latitude); |
1204 |
|
g_free(longitude); |
1205 |
|
|
1206 |
|
cairo_destroy(cr); |
1207 |
|
} |
1208 |
|
#endif // OSD_COORDINATES |
1209 |
|
|
1210 |
|
#ifdef OSD_NAV |
1211 |
|
#define OSD_NAV_W (8*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET) |
1212 |
|
#define OSD_NAV_H (150) |
1213 |
|
|
1214 |
|
static void |
1215 |
|
osd_render_nav(osm_gps_map_osd_t *osd) |
1216 |
|
{ |
1217 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1218 |
|
|
1219 |
|
if(!priv->nav.surface || isnan(priv->nav.lat) || isnan(priv->nav.lon)) |
1220 |
|
return; |
1221 |
|
|
1222 |
|
/* first fill with transparency */ |
1223 |
|
cairo_t *cr = cairo_create(priv->nav.surface); |
1224 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1225 |
|
cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.2); |
1226 |
|
cairo_paint(cr); |
1227 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
1228 |
|
|
1229 |
|
cairo_select_font_face (cr, "Sans", |
1230 |
|
CAIRO_FONT_SLANT_NORMAL, |
1231 |
|
CAIRO_FONT_WEIGHT_BOLD); |
1232 |
|
cairo_set_font_size (cr, OSD_COORDINATES_FONT_SIZE); |
1233 |
|
|
1234 |
|
char *latitude = osd_latitude_str(priv->nav.lat); |
1235 |
|
char *longitude = osd_longitude_str(priv->nav.lon); |
1236 |
|
|
1237 |
|
int y = OSD_COORDINATES_OFFSET; |
1238 |
|
y = osd_render_centered_text(cr, y, OSD_NAV_W, priv->nav.name); |
1239 |
|
y = osd_render_centered_text(cr, y, OSD_NAV_W, latitude); |
1240 |
|
y = osd_render_centered_text(cr, y, OSD_NAV_W, longitude); |
1241 |
|
|
1242 |
|
g_free(latitude); |
1243 |
|
g_free(longitude); |
1244 |
|
|
1245 |
|
/* draw the compass */ |
1246 |
|
int radius = (OSD_NAV_H - y - 5*OSD_COORDINATES_FONT_SIZE/4)/2; |
1247 |
|
if(radius > OSD_NAV_W/2) |
1248 |
|
radius = OSD_NAV_W/2; |
1249 |
|
|
1250 |
|
int x = OSD_NAV_W/2+1; |
1251 |
|
y += radius; |
1252 |
|
|
1253 |
|
cairo_stroke (cr); |
1254 |
|
|
1255 |
|
/* draw background */ |
1256 |
|
cairo_arc(cr, x, y, radius, 0, 2*M_PI); |
1257 |
|
cairo_set_source_rgba (cr, 1, 1, 1, 0.5); |
1258 |
|
cairo_fill_preserve (cr); |
1259 |
|
cairo_set_source_rgb (cr, 0, 0, 0); |
1260 |
|
cairo_set_line_width (cr, 1); |
1261 |
|
cairo_stroke (cr); |
1262 |
|
|
1263 |
|
/* draw pointer */ |
1264 |
|
#define ARROW_WIDTH 0.3 |
1265 |
|
#define ARROW_LENGTH 0.7 |
1266 |
|
|
1267 |
|
float arot = deg2rad(45); |
1268 |
|
|
1269 |
|
cairo_move_to(cr, |
1270 |
|
x + radius * ARROW_LENGTH * sin(arot), |
1271 |
|
y + radius * ARROW_LENGTH * -cos(arot)); |
1272 |
|
|
1273 |
|
cairo_line_to(cr, |
1274 |
|
x + radius * -ARROW_LENGTH * sin(arot+ARROW_WIDTH), |
1275 |
|
y + radius * -ARROW_LENGTH * -cos(arot+ARROW_WIDTH)); |
1276 |
|
|
1277 |
|
cairo_line_to(cr, |
1278 |
|
x + radius * -0.5 * ARROW_LENGTH * sin(arot), |
1279 |
|
y + radius * -0.5 * ARROW_LENGTH * -cos(arot)); |
1280 |
|
|
1281 |
|
cairo_line_to(cr, |
1282 |
|
x + radius * -ARROW_LENGTH * sin(arot-ARROW_WIDTH), |
1283 |
|
y + radius * -ARROW_LENGTH * -cos(arot-ARROW_WIDTH)); |
1284 |
|
|
1285 |
|
cairo_close_path(cr); |
1286 |
|
cairo_set_source_rgb (cr, 0, 0, 0); |
1287 |
|
cairo_fill (cr); |
1288 |
|
|
1289 |
|
y += radius + OSD_COORDINATES_FONT_SIZE/4; |
1290 |
|
y = osd_render_centered_text(cr, y, OSD_NAV_W, "xx,xx km"); |
1291 |
|
|
1292 |
|
cairo_destroy(cr); |
1293 |
|
} |
1294 |
|
|
1295 |
|
void osm_gps_map_osd_clear_nav (OsmGpsMap *map) { |
1296 |
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
1297 |
|
|
1298 |
|
osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
1299 |
|
g_return_if_fail (osd); |
1300 |
|
|
1301 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1302 |
|
g_return_if_fail (priv); |
1303 |
|
|
1304 |
|
if(priv->nav.surface) { |
1305 |
|
cairo_surface_destroy(priv->nav.surface); |
1306 |
|
priv->nav.surface = NULL; |
1307 |
|
priv->nav.lat = OSM_GPS_MAP_INVALID; |
1308 |
|
priv->nav.lon = OSM_GPS_MAP_INVALID; |
1309 |
|
if(priv->nav.name) g_free(priv->nav.name); |
1310 |
|
} |
1311 |
|
osm_gps_map_redraw(map); |
1312 |
|
} |
1313 |
|
|
1314 |
|
void |
1315 |
|
osm_gps_map_osd_draw_nav (OsmGpsMap *map, float latitude, float longitude, |
1316 |
|
char *name) { |
1317 |
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
1318 |
|
|
1319 |
|
osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
1320 |
|
g_return_if_fail (osd); |
1321 |
|
|
1322 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1323 |
|
g_return_if_fail (priv); |
1324 |
|
|
1325 |
|
osm_gps_map_osd_clear_nav (map); |
1326 |
|
|
1327 |
|
/* allocate balloon surface */ |
1328 |
|
priv->nav.surface = |
1329 |
|
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1330 |
|
OSD_NAV_W+2, OSD_NAV_H+2); |
1331 |
|
|
1332 |
|
priv->nav.lat = latitude; |
1333 |
|
priv->nav.lon = longitude; |
1334 |
|
priv->nav.name = g_strdup(name); |
1335 |
|
|
1336 |
|
osd_render_nav(osd); |
1337 |
|
|
1338 |
|
osm_gps_map_redraw(map); |
1339 |
|
} |
1340 |
|
|
1341 |
|
#endif // OSD_NAV |
1342 |
|
|
1343 |
|
|
1344 |
|
#ifdef OSD_CROSSHAIR |
1345 |
|
|
1346 |
|
#ifndef OSD_CROSSHAIR_RADIUS |
1347 |
|
#define OSD_CROSSHAIR_RADIUS 10 |
1348 |
|
#endif |
1349 |
|
|
1350 |
|
#define OSD_CROSSHAIR_TICK (OSD_CROSSHAIR_RADIUS/2) |
1351 |
|
#define OSD_CROSSHAIR_BORDER (OSD_CROSSHAIR_TICK + OSD_CROSSHAIR_RADIUS/4) |
1352 |
|
#define OSD_CROSSHAIR_W ((OSD_CROSSHAIR_RADIUS+OSD_CROSSHAIR_BORDER)*2) |
1353 |
|
#define OSD_CROSSHAIR_H ((OSD_CROSSHAIR_RADIUS+OSD_CROSSHAIR_BORDER)*2) |
1354 |
|
|
1355 |
|
static void |
1356 |
|
osd_render_crosshair_shape(cairo_t *cr) { |
1357 |
|
cairo_arc (cr, OSD_CROSSHAIR_W/2, OSD_CROSSHAIR_H/2, |
1358 |
|
OSD_CROSSHAIR_RADIUS, 0, 2*M_PI); |
1359 |
|
|
1360 |
|
cairo_move_to (cr, OSD_CROSSHAIR_W/2 - OSD_CROSSHAIR_RADIUS, |
1361 |
|
OSD_CROSSHAIR_H/2); |
1362 |
|
cairo_rel_line_to (cr, -OSD_CROSSHAIR_TICK, 0); |
1363 |
|
cairo_move_to (cr, OSD_CROSSHAIR_W/2 + OSD_CROSSHAIR_RADIUS, |
1364 |
|
OSD_CROSSHAIR_H/2); |
1365 |
|
cairo_rel_line_to (cr, OSD_CROSSHAIR_TICK, 0); |
1366 |
|
|
1367 |
|
cairo_move_to (cr, OSD_CROSSHAIR_W/2, |
1368 |
|
OSD_CROSSHAIR_H/2 - OSD_CROSSHAIR_RADIUS); |
1369 |
|
cairo_rel_line_to (cr, 0, -OSD_CROSSHAIR_TICK); |
1370 |
|
cairo_move_to (cr, OSD_CROSSHAIR_W/2, |
1371 |
|
OSD_CROSSHAIR_H/2 + OSD_CROSSHAIR_RADIUS); |
1372 |
|
cairo_rel_line_to (cr, 0, OSD_CROSSHAIR_TICK); |
1373 |
|
|
1374 |
|
cairo_stroke (cr); |
1375 |
|
} |
1376 |
|
|
1377 |
|
static void |
1378 |
|
osd_render_crosshair(osm_gps_map_osd_t *osd) |
1379 |
{ |
{ |
1380 |
if(dist<1000) |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
|
return g_strdup_printf("%u m", dist); |
|
1381 |
|
|
1382 |
return g_strdup_printf("%u km", dist/1000); |
if(priv->crosshair.rendered) |
1383 |
|
return; |
1384 |
|
|
1385 |
|
priv->crosshair.rendered = TRUE; |
1386 |
|
|
1387 |
|
/* first fill with transparency */ |
1388 |
|
cairo_t *cr = cairo_create(priv->crosshair.surface); |
1389 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1390 |
|
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); |
1391 |
|
cairo_paint(cr); |
1392 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
1393 |
|
|
1394 |
|
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
1395 |
|
|
1396 |
|
cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 0.5); |
1397 |
|
cairo_set_line_width (cr, OSD_CROSSHAIR_RADIUS/2); |
1398 |
|
osd_render_crosshair_shape(cr); |
1399 |
|
|
1400 |
|
cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.5); |
1401 |
|
cairo_set_line_width (cr, OSD_CROSSHAIR_RADIUS/4); |
1402 |
|
osd_render_crosshair_shape(cr); |
1403 |
|
|
1404 |
|
cairo_destroy(cr); |
1405 |
} |
} |
1406 |
|
#endif |
1407 |
|
|
1408 |
|
#ifdef OSD_SCALE |
1409 |
|
|
1410 |
|
#ifndef OSD_SCALE_FONT_SIZE |
1411 |
#define OSD_SCALE_FONT_SIZE 12 |
#define OSD_SCALE_FONT_SIZE 12 |
1412 |
|
#endif |
1413 |
|
#define OSD_SCALE_W (10*OSD_SCALE_FONT_SIZE) |
1414 |
|
#define OSD_SCALE_H (5*OSD_SCALE_FONT_SIZE/2) |
1415 |
|
|
1416 |
|
/* various parameters used to create the scale */ |
1417 |
|
#define OSD_SCALE_H2 (OSD_SCALE_H/2) |
1418 |
|
#define OSD_SCALE_TICK (2*OSD_SCALE_FONT_SIZE/3) |
1419 |
|
#define OSD_SCALE_M (OSD_SCALE_H2 - OSD_SCALE_TICK) |
1420 |
|
#define OSD_SCALE_I (OSD_SCALE_H2 + OSD_SCALE_TICK) |
1421 |
|
#define OSD_SCALE_FD (OSD_SCALE_FONT_SIZE/4) |
1422 |
|
|
1423 |
static void |
static void |
1424 |
osd_render_scale(osm_gps_map_osd_t *osd) |
osd_render_scale(osm_gps_map_osd_t *osd) |
1425 |
{ |
{ |
1426 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1427 |
|
|
1428 |
|
/* this only needs to be rendered if the zoom has changed */ |
1429 |
|
gint zoom; |
1430 |
|
g_object_get(OSM_GPS_MAP(osd->widget), "zoom", &zoom, NULL); |
1431 |
|
if(zoom == priv->scale.zoom) |
1432 |
|
return; |
1433 |
|
|
1434 |
|
priv->scale.zoom = zoom; |
1435 |
|
|
1436 |
float m_per_pix = osm_gps_map_get_scale(OSM_GPS_MAP(osd->widget)); |
float m_per_pix = osm_gps_map_get_scale(OSM_GPS_MAP(osd->widget)); |
1437 |
|
|
1438 |
/* first fill with transparency */ |
/* first fill with transparency */ |
1439 |
cairo_t *cr = cairo_create(priv->scale); |
cairo_t *cr = cairo_create(priv->scale.surface); |
1440 |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1441 |
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); |
1442 |
// cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.2); |
// pink for testing: cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.2); |
1443 |
cairo_paint(cr); |
cairo_paint(cr); |
1444 |
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
1445 |
|
|
1446 |
/* determine the size of the scale width in meters */ |
/* determine the size of the scale width in meters */ |
1447 |
float width = (OSD_SCALE_W-2) * m_per_pix; |
float width = (OSD_SCALE_W-OSD_SCALE_FONT_SIZE/6) * m_per_pix; |
|
printf("%d pixels is %f m\n", OSD_SCALE_W-2, width); |
|
1448 |
|
|
1449 |
/* scale this to useful values */ |
/* scale this to useful values */ |
1450 |
int exp = logf(width)*M_LOG10E; |
int exp = logf(width)*M_LOG10E; |
1451 |
int mant = width/pow(10,exp); |
int mant = width/pow(10,exp); |
1452 |
int width_metric = mant * pow(10,exp); |
int width_metric = mant * pow(10,exp); |
1453 |
char *dist_str = dist_str_metric(width_metric); |
char *dist_str = NULL; |
1454 |
|
if(width_metric<1000) |
1455 |
|
dist_str = g_strdup_printf("%u m", width_metric); |
1456 |
|
else |
1457 |
|
dist_str = g_strdup_printf("%u km", width_metric/1000); |
1458 |
width_metric /= m_per_pix; |
width_metric /= m_per_pix; |
1459 |
|
|
1460 |
/* and now the hard part: scale for useful imperial values :-( */ |
/* and now the hard part: scale for useful imperial values :-( */ |
1477 |
} |
} |
1478 |
} |
} |
1479 |
|
|
1480 |
printf("this is %f %s\n", width, dist_imp_unit); |
/* also convert this to full tens/hundreds */ |
1481 |
printf("this is %f pixels\n", width * imp_scale / m_per_pix); |
exp = logf(width)*M_LOG10E; |
1482 |
|
mant = width/pow(10,exp); |
1483 |
|
int width_imp = mant * pow(10,exp); |
1484 |
|
char *dist_str_imp = g_strdup_printf("%u %s", width_imp, dist_imp_unit); |
1485 |
|
|
1486 |
|
/* convert back to pixels */ |
1487 |
|
width_imp *= imp_scale; |
1488 |
|
width_imp /= m_per_pix; |
1489 |
|
|
1490 |
cairo_select_font_face (cr, "Sans", |
cairo_select_font_face (cr, "Sans", |
1491 |
CAIRO_FONT_SLANT_NORMAL, |
CAIRO_FONT_SLANT_NORMAL, |
1497 |
cairo_text_extents (cr, dist_str, &extents); |
cairo_text_extents (cr, dist_str, &extents); |
1498 |
|
|
1499 |
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
1500 |
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/3, OSD_SCALE_FONT_SIZE); |
cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/6); |
1501 |
|
cairo_move_to (cr, 2*OSD_SCALE_FD, OSD_SCALE_H2-OSD_SCALE_FD); |
1502 |
cairo_text_path (cr, dist_str); |
cairo_text_path (cr, dist_str); |
1503 |
cairo_set_line_width (cr, 2); |
cairo_stroke (cr); |
1504 |
|
cairo_move_to (cr, 2*OSD_SCALE_FD, |
1505 |
|
OSD_SCALE_H2+OSD_SCALE_FD + extents.height); |
1506 |
|
cairo_text_path (cr, dist_str_imp); |
1507 |
cairo_stroke (cr); |
cairo_stroke (cr); |
1508 |
|
|
1509 |
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); |
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); |
1510 |
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/3, OSD_SCALE_FONT_SIZE); |
cairo_move_to (cr, 2*OSD_SCALE_FD, OSD_SCALE_H2-OSD_SCALE_FD); |
1511 |
cairo_show_text (cr, dist_str); |
cairo_show_text (cr, dist_str); |
1512 |
|
cairo_move_to (cr, 2*OSD_SCALE_FD, |
1513 |
|
OSD_SCALE_H2+OSD_SCALE_FD + extents.height); |
1514 |
|
cairo_show_text (cr, dist_str_imp); |
1515 |
|
|
1516 |
|
g_free(dist_str); |
1517 |
|
g_free(dist_str_imp); |
1518 |
|
|
1519 |
/* draw white line */ |
/* draw white line */ |
1520 |
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
1521 |
cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0); |
cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0); |
1522 |
cairo_set_line_width (cr, 4); |
cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/3); |
1523 |
cairo_move_to (cr, 2, 2*OSD_SCALE_FONT_SIZE/3); |
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_M); |
1524 |
cairo_rel_line_to (cr, 0, 2*OSD_SCALE_FONT_SIZE/3); |
cairo_rel_line_to (cr, 0, OSD_SCALE_TICK); |
1525 |
cairo_rel_line_to (cr, width_metric, 0); |
cairo_rel_line_to (cr, width_metric, 0); |
1526 |
cairo_rel_line_to (cr, 0, -2*OSD_SCALE_FONT_SIZE/3); |
cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1527 |
|
cairo_stroke(cr); |
1528 |
|
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_I); |
1529 |
|
cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1530 |
|
cairo_rel_line_to (cr, width_imp, 0); |
1531 |
|
cairo_rel_line_to (cr, 0, +OSD_SCALE_TICK); |
1532 |
cairo_stroke(cr); |
cairo_stroke(cr); |
1533 |
|
|
1534 |
/* draw black line */ |
/* draw black line */ |
1535 |
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0); |
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0); |
1536 |
cairo_set_line_width (cr, 2); |
cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/6); |
1537 |
cairo_move_to (cr, 2, 2*OSD_SCALE_FONT_SIZE/3); |
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_M); |
1538 |
cairo_rel_line_to (cr, 0, 2*OSD_SCALE_FONT_SIZE/3); |
cairo_rel_line_to (cr, 0, OSD_SCALE_TICK); |
1539 |
cairo_rel_line_to (cr, width_metric, 0); |
cairo_rel_line_to (cr, width_metric, 0); |
1540 |
cairo_rel_line_to (cr, 0, -2*OSD_SCALE_FONT_SIZE/3); |
cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1541 |
|
cairo_stroke(cr); |
1542 |
|
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_I); |
1543 |
|
cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1544 |
|
cairo_rel_line_to (cr, width_imp, 0); |
1545 |
|
cairo_rel_line_to (cr, 0, +OSD_SCALE_TICK); |
1546 |
cairo_stroke(cr); |
cairo_stroke(cr); |
|
|
|
|
/* xyz */ |
|
1547 |
|
|
1548 |
cairo_destroy(cr); |
cairo_destroy(cr); |
1549 |
} |
} |
1550 |
|
#endif |
1551 |
|
|
1552 |
static void |
static void |
1553 |
osd_render(osm_gps_map_osd_t *osd) |
osd_render_controls(osm_gps_map_osd_t *osd) |
1554 |
{ |
{ |
1555 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1556 |
|
|
1557 |
|
if(priv->controls.rendered |
1558 |
|
#ifdef OSD_GPS_BUTTON |
1559 |
|
&& (priv->controls.gps_enabled == (osd->cb != NULL)) |
1560 |
|
#endif |
1561 |
|
) |
1562 |
|
return; |
1563 |
|
|
1564 |
|
#ifdef OSD_GPS_BUTTON |
1565 |
|
priv->controls.gps_enabled = (osd->cb != NULL); |
1566 |
|
#endif |
1567 |
|
priv->controls.rendered = TRUE; |
1568 |
|
|
1569 |
#ifndef OSD_COLOR |
#ifndef OSD_COLOR |
1570 |
GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; |
GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; |
1571 |
GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; |
GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; |
1573 |
#endif |
#endif |
1574 |
|
|
1575 |
/* first fill with transparency */ |
/* first fill with transparency */ |
1576 |
cairo_t *cr = cairo_create(priv->overlay); |
cairo_t *cr = cairo_create(priv->controls.surface); |
1577 |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1578 |
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); |
1579 |
cairo_paint(cr); |
cairo_paint(cr); |
1644 |
cairo_stroke(cr); |
cairo_stroke(cr); |
1645 |
|
|
1646 |
cairo_destroy(cr); |
cairo_destroy(cr); |
1647 |
|
} |
1648 |
|
|
1649 |
|
static void |
1650 |
|
osd_render(osm_gps_map_osd_t *osd) |
1651 |
|
{ |
1652 |
|
/* this function is actually called pretty often since the */ |
1653 |
|
/* OSD contents may have changed (due to a coordinate/zoom change). */ |
1654 |
|
/* The different OSD parts have to make sure that they don't */ |
1655 |
|
/* render unneccessarily often and thus waste CPU power */ |
1656 |
|
|
1657 |
|
osd_render_controls(osd); |
1658 |
|
|
1659 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1660 |
osd_render_source_sel(osd); |
osd_render_source_sel(osd, FALSE); |
1661 |
#endif |
#endif |
1662 |
|
|
1663 |
#ifdef OSD_SCALE |
#ifdef OSD_SCALE |
1664 |
osd_render_scale(osd); |
osd_render_scale(osd); |
1665 |
#endif |
#endif |
1666 |
|
|
1667 |
|
#ifdef OSD_CROSSHAIR |
1668 |
|
osd_render_crosshair(osd); |
1669 |
|
#endif |
1670 |
|
|
1671 |
|
#ifdef OSD_NAV |
1672 |
|
osd_render_nav(osd); |
1673 |
|
#endif |
1674 |
|
|
1675 |
|
#ifdef OSD_COORDINATES |
1676 |
|
osd_render_coordinates(osd); |
1677 |
|
#endif |
1678 |
} |
} |
1679 |
|
|
1680 |
static void |
static void |
1684 |
|
|
1685 |
/* OSD itself uses some off-screen rendering, so check if the */ |
/* OSD itself uses some off-screen rendering, so check if the */ |
1686 |
/* offscreen buffer is present and create it if not */ |
/* offscreen buffer is present and create it if not */ |
1687 |
if(!priv->overlay) { |
if(!priv->controls.surface) { |
1688 |
/* create overlay ... */ |
/* create overlay ... */ |
1689 |
priv->overlay = |
priv->controls.surface = |
1690 |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, OSD_W+2, OSD_H+2); |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, OSD_W+2, OSD_H+2); |
1691 |
|
|
1692 |
|
priv->controls.rendered = FALSE; |
1693 |
|
#ifdef OSD_GPS_BUTTON |
1694 |
|
priv->controls.gps_enabled = FALSE; |
1695 |
|
#endif |
1696 |
|
|
1697 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1698 |
/* the initial OSD state is alway not-expanded */ |
/* the initial OSD state is alway not-expanded */ |
1699 |
priv->map_source = |
priv->source_sel.surface = |
1700 |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1701 |
OSD_S_W+2, OSD_S_H+2); |
OSD_S_W+2, OSD_S_H+2); |
1702 |
|
priv->source_sel.rendered = FALSE; |
1703 |
#endif |
#endif |
1704 |
|
|
1705 |
#ifdef OSD_SCALE |
#ifdef OSD_SCALE |
1706 |
priv->scale = |
priv->scale.surface = |
1707 |
|
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1708 |
|
OSD_SCALE_W, OSD_SCALE_H); |
1709 |
|
priv->scale.zoom = -1; |
1710 |
|
#endif |
1711 |
|
|
1712 |
|
#ifdef OSD_CROSSHAIR |
1713 |
|
priv->crosshair.surface = |
1714 |
|
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1715 |
|
OSD_CROSSHAIR_W, OSD_CROSSHAIR_H); |
1716 |
|
priv->crosshair.rendered = FALSE; |
1717 |
|
#endif |
1718 |
|
|
1719 |
|
#ifdef OSD_COORDINATES |
1720 |
|
priv->coordinates.surface = |
1721 |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1722 |
OSD_SCALE_W+2, OSD_SCALE_H+2); |
OSD_COORDINATES_W, OSD_COORDINATES_H); |
1723 |
|
|
1724 |
|
priv->coordinates.lat = priv->coordinates.lon = OSM_GPS_MAP_INVALID; |
1725 |
#endif |
#endif |
1726 |
|
|
1727 |
/* ... and render it */ |
/* ... and render it */ |
1731 |
// now draw this onto the original context |
// now draw this onto the original context |
1732 |
cairo_t *cr = gdk_cairo_create(drawable); |
cairo_t *cr = gdk_cairo_create(drawable); |
1733 |
|
|
1734 |
int x = OSD_X, y = OSD_Y; |
gint x, y; |
1735 |
if(OSD_X < 0) |
|
1736 |
x = osd->widget->allocation.width - OSD_W + OSD_X; |
#ifdef OSD_SCALE |
1737 |
|
x = OSD_X; |
1738 |
|
y = -OSD_Y; |
1739 |
|
if(x < 0) x += osd->widget->allocation.width - OSD_SCALE_W; |
1740 |
|
if(y < 0) y += osd->widget->allocation.height - OSD_SCALE_H; |
1741 |
|
|
1742 |
|
cairo_set_source_surface(cr, priv->scale.surface, x, y); |
1743 |
|
cairo_paint(cr); |
1744 |
|
#endif |
1745 |
|
|
1746 |
|
#ifdef OSD_CROSSHAIR |
1747 |
|
x = (osd->widget->allocation.width - OSD_CROSSHAIR_W)/2; |
1748 |
|
y = (osd->widget->allocation.height - OSD_CROSSHAIR_H)/2; |
1749 |
|
|
1750 |
|
cairo_set_source_surface(cr, priv->crosshair.surface, x, y); |
1751 |
|
cairo_paint(cr); |
1752 |
|
#endif |
1753 |
|
|
1754 |
|
#ifdef OSD_NAV |
1755 |
|
if(priv->nav.surface) { |
1756 |
|
x = OSD_X; |
1757 |
|
if(x < 0) x += osd->widget->allocation.width - OSD_NAV_W; |
1758 |
|
y = (osd->widget->allocation.height - OSD_NAV_H)/2; |
1759 |
|
|
1760 |
|
cairo_set_source_surface(cr, priv->nav.surface, x, y); |
1761 |
|
cairo_paint(cr); |
1762 |
|
} |
1763 |
|
#endif |
1764 |
|
|
1765 |
|
#ifdef OSD_COORDINATES |
1766 |
|
x = -OSD_X; |
1767 |
|
y = -OSD_Y; |
1768 |
|
if(x < 0) x += osd->widget->allocation.width - OSD_COORDINATES_W; |
1769 |
|
if(y < 0) y += osd->widget->allocation.height - OSD_COORDINATES_H; |
1770 |
|
|
1771 |
|
cairo_set_source_surface(cr, priv->coordinates.surface, x, y); |
1772 |
|
cairo_paint(cr); |
1773 |
|
#endif |
1774 |
|
|
1775 |
|
#ifdef OSD_BALLOON |
1776 |
|
if(priv->balloon.surface) { |
1777 |
|
|
1778 |
|
/* convert given lat lon into screen coordinates */ |
1779 |
|
gint x, y; |
1780 |
|
osm_gps_map_geographic_to_screen (OSM_GPS_MAP(osd->widget), |
1781 |
|
priv->balloon.lat, priv->balloon.lon, |
1782 |
|
&x, &y); |
1783 |
|
|
1784 |
|
/* check if balloon needs to be rerendered */ |
1785 |
|
osd_render_balloon(osd); |
1786 |
|
|
1787 |
|
cairo_set_source_surface(cr, priv->balloon.surface, |
1788 |
|
x + priv->balloon.offset_x, |
1789 |
|
y + priv->balloon.offset_y); |
1790 |
|
cairo_paint(cr); |
1791 |
|
} |
1792 |
|
#endif |
1793 |
|
|
1794 |
if(OSD_Y < 0) |
x = OSD_X; |
1795 |
y = osd->widget->allocation.height - OSD_H + OSD_Y; |
if(x < 0) |
1796 |
|
x += osd->widget->allocation.width - OSD_W; |
1797 |
|
|
1798 |
|
y = OSD_Y; |
1799 |
|
if(y < 0) |
1800 |
|
y += osd->widget->allocation.height - OSD_H; |
1801 |
|
|
1802 |
cairo_set_source_surface(cr, priv->overlay, x, y); |
cairo_set_source_surface(cr, priv->controls.surface, x, y); |
1803 |
cairo_paint(cr); |
cairo_paint(cr); |
1804 |
|
|
1805 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1806 |
if(!priv->handler_id) { |
if(!priv->source_sel.handler_id) { |
1807 |
/* the OSD source selection is not being animated */ |
/* the OSD source selection is not being animated */ |
1808 |
if(!priv->expanded) |
if(!priv->source_sel.expanded) |
1809 |
x = osd->widget->allocation.width - OSD_S_W; |
x = osd->widget->allocation.width - OSD_S_W; |
1810 |
else |
else |
1811 |
x = osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; |
x = osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; |
1812 |
} else |
} else |
1813 |
x = priv->shift; |
x = priv->source_sel.shift; |
1814 |
|
|
1815 |
y = OSD_S_Y; |
y = OSD_S_Y; |
1816 |
if(OSD_S_Y < 0) { |
if(OSD_S_Y < 0) { |
1817 |
if(!priv->expanded) |
if(!priv->source_sel.expanded) |
1818 |
y = osd->widget->allocation.height - OSD_S_H + OSD_S_Y; |
y = osd->widget->allocation.height - OSD_S_H + OSD_S_Y; |
1819 |
else |
else |
1820 |
y = osd->widget->allocation.height - OSD_S_EXP_H + OSD_S_Y; |
y = osd->widget->allocation.height - OSD_S_EXP_H + OSD_S_Y; |
1821 |
} |
} |
1822 |
|
|
1823 |
cairo_set_source_surface(cr, priv->map_source, x, y); |
cairo_set_source_surface(cr, priv->source_sel.surface, x, y); |
|
cairo_paint(cr); |
|
|
#endif |
|
|
|
|
|
#ifdef OSD_SCALE |
|
|
x = OSD_X; |
|
|
y = -OSD_Y; |
|
|
if(x < 0) x += osd->widget->allocation.width - OSD_SCALE_W; |
|
|
if(y < 0) y += osd->widget->allocation.height - OSD_SCALE_H; |
|
|
|
|
|
cairo_set_source_surface(cr, priv->scale, x, y); |
|
1824 |
cairo_paint(cr); |
cairo_paint(cr); |
1825 |
#endif |
#endif |
1826 |
|
|
1832 |
{ |
{ |
1833 |
osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
1834 |
|
|
1835 |
if (priv->overlay) |
if (priv->controls.surface) |
1836 |
cairo_surface_destroy(priv->overlay); |
cairo_surface_destroy(priv->controls.surface); |
1837 |
|
|
1838 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1839 |
if(priv->handler_id) |
if(priv->source_sel.handler_id) |
1840 |
gtk_timeout_remove(priv->handler_id); |
gtk_timeout_remove(priv->source_sel.handler_id); |
1841 |
|
|
1842 |
if (priv->map_source) |
if (priv->source_sel.surface) |
1843 |
cairo_surface_destroy(priv->map_source); |
cairo_surface_destroy(priv->source_sel.surface); |
1844 |
#endif |
#endif |
1845 |
|
|
1846 |
#ifdef OSD_SCALE |
#ifdef OSD_SCALE |
1847 |
if (priv->scale) |
if (priv->scale.surface) |
1848 |
cairo_surface_destroy(priv->scale); |
cairo_surface_destroy(priv->scale.surface); |
1849 |
|
#endif |
1850 |
|
|
1851 |
|
#ifdef OSD_CROSSHAIR |
1852 |
|
if (priv->crosshair.surface) |
1853 |
|
cairo_surface_destroy(priv->crosshair.surface); |
1854 |
|
#endif |
1855 |
|
|
1856 |
|
#ifdef OSD_NAV |
1857 |
|
if (priv->nav.surface) |
1858 |
|
cairo_surface_destroy(priv->nav.surface); |
1859 |
|
#endif |
1860 |
|
|
1861 |
|
#ifdef OSD_COORDINATES |
1862 |
|
if (priv->coordinates.surface) |
1863 |
|
cairo_surface_destroy(priv->coordinates.surface); |
1864 |
|
#endif |
1865 |
|
|
1866 |
|
#ifdef OSD_BALLOON |
1867 |
|
if (priv->balloon.surface) |
1868 |
|
cairo_surface_destroy(priv->balloon.surface); |
1869 |
#endif |
#endif |
1870 |
|
|
1871 |
g_free(priv); |
g_free(priv); |
1876 |
{ |
{ |
1877 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1878 |
osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
1879 |
return (priv->handler_id != 0); |
return (priv->source_sel.handler_id != 0); |
1880 |
#else |
#else |
1881 |
return FALSE; |
return FALSE; |
1882 |
#endif |
#endif |
1903 |
{ |
{ |
1904 |
osd_priv_t *priv = osd_classic.priv = g_new0(osd_priv_t, 1); |
osd_priv_t *priv = osd_classic.priv = g_new0(osd_priv_t, 1); |
1905 |
|
|
1906 |
|
#ifdef OSD_BALLOON |
1907 |
|
priv->balloon.lat = OSM_GPS_MAP_INVALID; |
1908 |
|
priv->balloon.lon = OSM_GPS_MAP_INVALID; |
1909 |
|
#endif |
1910 |
|
|
1911 |
osd_classic.priv = priv; |
osd_classic.priv = priv; |
1912 |
|
|
1913 |
osm_gps_map_register_osd(map, &osd_classic); |
osm_gps_map_register_osd(map, &osd_classic); |
1937 |
osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
1938 |
g_return_val_if_fail (osd, OSD_NONE); |
g_return_val_if_fail (osd, OSD_NONE); |
1939 |
|
|
1940 |
return osd_check(osd, x, y); |
return osd_check(osd, TRUE, x, y); |
1941 |
} |
} |