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#include <cairo.h> |
#include <cairo.h> |
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#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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//the osd controls |
//the osd controls |
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typedef struct { |
typedef struct { |
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/* 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 |
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} controls; |
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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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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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#ifdef OSD_SCALE |
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struct { |
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cairo_surface_t *surface; |
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int zoom; |
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} scale; |
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#endif |
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#ifdef OSD_CROSSHAIR |
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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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#ifdef OSD_COORDINATES |
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struct { |
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cairo_surface_t *surface; |
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float lat, lon; |
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} coordinates; |
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#endif |
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#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
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/* values to handle the "source" menu */ |
struct { |
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cairo_surface_t *map_source; |
/* values to handle the "source" menu */ |
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gboolean expanded; |
cairo_surface_t *surface; |
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gint shift, dir, count; |
gboolean expanded; |
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gint handler_id; |
gint shift, dir, count; |
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gint width, height; |
gint handler_id; |
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gint width, height; |
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gboolean rendered; |
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} source_sel; |
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#endif |
#endif |
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} osd_priv_t; |
} osd_priv_t; |
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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 |
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#define BALLOON_AREA_WIDTH 290 |
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#endif |
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#ifndef BALLOON_AREA_HEIGHT |
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#define BALLOON_AREA_HEIGHT 75 |
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#endif |
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#ifndef BALLOON_CORNER_RADIUS |
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#define BALLOON_CORNER_RADIUS 10 |
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#endif |
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#define BALLOON_BORDER (BALLOON_CORNER_RADIUS/2) |
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#define BALLOON_WIDTH (BALLOON_AREA_WIDTH + 2 * BALLOON_BORDER) |
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#define BALLOON_HEIGHT (BALLOON_AREA_HEIGHT + 2 * BALLOON_BORDER) |
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#define BALLOON_TRANSPARENCY 0.8 |
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#define POINTER_HEIGHT 20 |
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#define POINTER_FOOT_WIDTH 20 |
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#define POINTER_OFFSET (BALLOON_CORNER_RADIUS*3/4) |
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#define BALLOON_SHADOW (BALLOON_CORNER_RADIUS/2) |
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#define BALLOON_SHADOW_TRANSPARENCY 0.2 |
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#define BALLOON_W (BALLOON_WIDTH + BALLOON_SHADOW) |
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#define BALLOON_H (BALLOON_HEIGHT + POINTER_HEIGHT + BALLOON_SHADOW) |
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#define CLOSE_BUTTON_RADIUS (BALLOON_CORNER_RADIUS) |
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/* draw the bubble shape. this is used twice, once for the shape and once */ |
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/* for the shadow */ |
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static void |
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osm_gps_map_draw_balloon_shape (cairo_t *cr, int x0, int y0, int x1, int y1, |
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gboolean bottom, int px, int py, int px0, int px1) { |
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cairo_move_to (cr, x0, y0 + BALLOON_CORNER_RADIUS); |
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cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, |
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BALLOON_CORNER_RADIUS, -M_PI, -M_PI/2); |
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if(!bottom) { |
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/* insert top pointer */ |
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cairo_line_to (cr, px1, y0); |
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cairo_line_to (cr, px, py); |
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cairo_line_to (cr, px0, y0); |
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} |
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cairo_line_to (cr, x1 - BALLOON_CORNER_RADIUS, y0); |
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cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, |
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BALLOON_CORNER_RADIUS, -M_PI/2, 0); |
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cairo_line_to (cr, x1 , y1 - BALLOON_CORNER_RADIUS); |
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cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, |
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BALLOON_CORNER_RADIUS, 0, M_PI/2); |
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if(bottom) { |
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/* insert bottom pointer */ |
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cairo_line_to (cr, px0, y1); |
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cairo_line_to (cr, px, py); |
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cairo_line_to (cr, px1, y1); |
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} |
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cairo_line_to (cr, x0 + BALLOON_CORNER_RADIUS, y1); |
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cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, |
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BALLOON_CORNER_RADIUS, M_PI/2, M_PI); |
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cairo_close_path (cr); |
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} |
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static void |
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osd_render_balloon(osm_gps_map_osd_t *osd) { |
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osd_priv_t *priv = (osd_priv_t*)osd->priv; |
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/* get zoom */ |
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gint zoom; |
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g_object_get(OSM_GPS_MAP(osd->widget), "zoom", &zoom, NULL); |
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/* ------- convert given coordinate into screen position --------- */ |
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gint xs, ys; |
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osm_gps_map_geographic_to_screen (OSM_GPS_MAP(osd->widget), |
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priv->balloon.lat, priv->balloon.lon, |
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&xs, &ys); |
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gint x0 = 1, y0 = 1; |
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/* check position of this relative to screen center to determine */ |
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/* pointer direction ... */ |
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int pointer_x, pointer_x0, pointer_x1; |
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int pointer_y; |
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/* ... and calculate position */ |
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int orientation = 0; |
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if(xs > osd->widget->allocation.width/2) { |
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priv->balloon.offset_x = -BALLOON_WIDTH + POINTER_OFFSET; |
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pointer_x = x0 - priv->balloon.offset_x; |
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pointer_x0 = pointer_x - (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
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pointer_x1 = pointer_x0 - POINTER_FOOT_WIDTH; |
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orientation |= 1; |
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} else { |
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priv->balloon.offset_x = -POINTER_OFFSET; |
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pointer_x = x0 - priv->balloon.offset_x; |
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pointer_x1 = pointer_x + (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
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pointer_x0 = pointer_x1 + POINTER_FOOT_WIDTH; |
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} |
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gboolean bottom = FALSE; |
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if(ys > osd->widget->allocation.height/2) { |
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priv->balloon.offset_y = -BALLOON_HEIGHT - POINTER_HEIGHT; |
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pointer_y = y0 - priv->balloon.offset_y; |
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bottom = TRUE; |
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orientation |= 2; |
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} else { |
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priv->balloon.offset_y = 0; |
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pointer_y = y0 - priv->balloon.offset_y; |
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y0 += POINTER_HEIGHT; |
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} |
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/* if required orientation equals current one, then don't render */ |
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/* anything */ |
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if(orientation == priv->balloon.orientation) |
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return; |
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priv->balloon.orientation = orientation; |
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/* calculate bottom/right of box */ |
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int x1 = x0 + BALLOON_WIDTH, y1 = y0 + BALLOON_HEIGHT; |
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/* save balloon screen coordinates for later use */ |
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priv->balloon.rect.x = x0 + BALLOON_BORDER; |
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priv->balloon.rect.y = y0 + BALLOON_BORDER; |
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priv->balloon.rect.w = x1 - x0 - 2*BALLOON_BORDER; |
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priv->balloon.rect.h = y1 - y0 - 2*BALLOON_BORDER; |
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cairo_t *cr = cairo_create(priv->balloon.surface); |
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
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cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); |
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cairo_paint(cr); |
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
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/* --------- draw shadow --------------- */ |
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osm_gps_map_draw_balloon_shape (cr, |
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x0 + BALLOON_SHADOW, y0 + BALLOON_SHADOW, |
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x1 + BALLOON_SHADOW, y1 + BALLOON_SHADOW, |
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bottom, pointer_x, pointer_y, |
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pointer_x0 + BALLOON_SHADOW, pointer_x1 + BALLOON_SHADOW); |
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cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_SHADOW_TRANSPARENCY); |
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cairo_fill_preserve (cr); |
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cairo_set_source_rgba (cr, 1, 0, 0, 1.0); |
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cairo_set_line_width (cr, 0); |
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cairo_stroke (cr); |
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/* --------- draw main shape ----------- */ |
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osm_gps_map_draw_balloon_shape (cr, x0, y0, x1, y1, |
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bottom, pointer_x, pointer_y, pointer_x0, pointer_x1); |
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cairo_set_source_rgba (cr, 1, 1, 1, BALLOON_TRANSPARENCY); |
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cairo_fill_preserve (cr); |
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cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_TRANSPARENCY); |
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cairo_set_line_width (cr, 1); |
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cairo_stroke (cr); |
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if (priv->balloon.cb) { |
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/* clip in case application tries to draw in */ |
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/* exceed of the balloon */ |
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cairo_rectangle (cr, priv->balloon.rect.x, priv->balloon.rect.y, |
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priv->balloon.rect.w, priv->balloon.rect.h); |
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cairo_clip (cr); |
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cairo_new_path (cr); /* current path is not |
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consumed by cairo_clip() */ |
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priv->balloon.cb(cr, &priv->balloon.rect, priv->balloon.data); |
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} |
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270 |
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cairo_destroy(cr); |
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} |
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/* return true if balloon is being displayed and if */ |
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/* the given coordinate is within this balloon */ |
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static gboolean |
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osd_balloon_check(osm_gps_map_osd_t *osd, gboolean down, gint x, gint y) |
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{ |
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osd_priv_t *priv = (osd_priv_t*)osd->priv; |
279 |
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280 |
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if(!priv->balloon.surface) |
281 |
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return FALSE; |
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283 |
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gint xs, ys; |
284 |
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osm_gps_map_geographic_to_screen (OSM_GPS_MAP(osd->widget), |
285 |
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priv->balloon.lat, priv->balloon.lon, |
286 |
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&xs, &ys); |
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288 |
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xs += priv->balloon.rect.x + priv->balloon.offset_x; |
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ys += priv->balloon.rect.y + priv->balloon.offset_y; |
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291 |
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gboolean is_in = |
292 |
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(x > xs) && (x < xs + priv->balloon.rect.w) && |
293 |
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(y > ys) && (y < ys + priv->balloon.rect.h); |
294 |
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/* handle the fact that the balloon may have been created by the */ |
296 |
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/* button down event */ |
297 |
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if(!is_in && !down && !priv->balloon.just_created) { |
298 |
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/* the user actually clicked outside the balloon */ |
299 |
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300 |
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/* close the balloon! */ |
301 |
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osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(osd->widget)); |
302 |
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} |
303 |
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304 |
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return is_in; |
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} |
306 |
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307 |
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void osm_gps_map_osd_clear_balloon (OsmGpsMap *map) { |
308 |
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g_return_if_fail (OSM_IS_GPS_MAP (map)); |
309 |
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310 |
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osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
311 |
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g_return_if_fail (osd); |
312 |
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313 |
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osd_priv_t *priv = (osd_priv_t*)osd->priv; |
314 |
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g_return_if_fail (priv); |
315 |
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316 |
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if(priv->balloon.surface) { |
317 |
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cairo_surface_destroy(priv->balloon.surface); |
318 |
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priv->balloon.surface = NULL; |
319 |
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priv->balloon.lat = OSM_GPS_MAP_INVALID; |
320 |
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priv->balloon.lon = OSM_GPS_MAP_INVALID; |
321 |
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} |
322 |
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osm_gps_map_redraw(map); |
323 |
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} |
324 |
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325 |
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void |
326 |
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osm_gps_map_osd_draw_balloon (OsmGpsMap *map, float latitude, float longitude, |
327 |
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OsmGpsMapBalloonCallback cb, gpointer data) { |
328 |
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g_return_if_fail (OSM_IS_GPS_MAP (map)); |
329 |
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330 |
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osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
331 |
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g_return_if_fail (osd); |
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osd_priv_t *priv = (osd_priv_t*)osd->priv; |
334 |
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g_return_if_fail (priv); |
335 |
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336 |
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osm_gps_map_osd_clear_balloon (map); |
337 |
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338 |
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/* allocate balloon surface */ |
339 |
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priv->balloon.surface = |
340 |
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cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
341 |
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BALLOON_W+2, BALLOON_H+2); |
342 |
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343 |
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priv->balloon.lat = latitude; |
344 |
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priv->balloon.lon = longitude; |
345 |
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priv->balloon.cb = cb; |
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priv->balloon.data = data; |
347 |
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priv->balloon.just_created = TRUE; |
348 |
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349 |
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priv->balloon.orientation = -1; |
350 |
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351 |
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osd_render_balloon(osd); |
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osm_gps_map_redraw(map); |
354 |
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} |
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#endif // OSD_BALLOON |
357 |
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|
358 |
/* position and extent of bounding box */ |
/* position and extent of bounding box */ |
359 |
#ifndef OSD_X |
#ifndef OSD_X |
360 |
#define OSD_X (10) |
#define OSD_X (10) |
577 |
#define OSD_S_H (OSD_S_PH + OSD_SHADOW) |
#define OSD_S_H (OSD_S_PH + OSD_SHADOW) |
578 |
|
|
579 |
/* size of usable area when expanded */ |
/* size of usable area when expanded */ |
580 |
#define OSD_S_AREA_W (priv->width) |
#define OSD_S_AREA_W (priv->source_sel.width) |
581 |
#define OSD_S_AREA_H (priv->height) |
#define OSD_S_AREA_H (priv->source_sel.height) |
582 |
#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) |
583 |
#define OSD_S_EXP_H (OSD_S_AREA_H + OSD_SHADOW) |
#define OSD_S_EXP_H (OSD_S_AREA_H + OSD_SHADOW) |
584 |
|
|
594 |
/* or the entire menu incl. the puller (expanded) */ |
/* or the entire menu incl. the puller (expanded) */ |
595 |
static void |
static void |
596 |
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) { |
597 |
if(!priv->expanded) { |
if(!priv->source_sel.expanded) { |
598 |
/* just draw the puller */ |
/* just draw the puller */ |
599 |
cairo_move_to (cr, x + OSD_S_PW, y + OSD_S_PH); |
cairo_move_to (cr, x + OSD_S_PW, y + OSD_S_PH); |
600 |
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); |
622 |
|
|
623 |
int py = offset + OSD_S_RAD - OSD_S_D0; |
int py = offset + OSD_S_RAD - OSD_S_D0; |
624 |
|
|
625 |
if(!priv->expanded) { |
if(!priv->source_sel.expanded) { |
626 |
/* draw the "puller" open (<) arrow */ |
/* draw the "puller" open (<) arrow */ |
627 |
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); |
628 |
cairo_rel_line_to (cr, -OSD_S_D0, +OSD_S_D0); |
cairo_rel_line_to (cr, -OSD_S_D0, +OSD_S_D0); |
647 |
CAIRO_FONT_WEIGHT_BOLD); |
CAIRO_FONT_WEIGHT_BOLD); |
648 |
cairo_set_font_size (cr, OSD_FONT_SIZE); |
cairo_set_font_size (cr, OSD_FONT_SIZE); |
649 |
|
|
650 |
int i, step = (priv->height - 2*OSD_TEXT_BORDER) / |
int i, step = (priv->source_sel.height - 2*OSD_TEXT_BORDER) / |
651 |
OSM_GPS_MAP_SOURCE_LAST; |
OSM_GPS_MAP_SOURCE_LAST; |
652 |
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++) { |
653 |
cairo_text_extents_t extents; |
cairo_text_extents_t extents; |
661 |
if(source == i) { |
if(source == i) { |
662 |
cairo_rectangle(cr, x - OSD_TEXT_BORDER/2, |
cairo_rectangle(cr, x - OSD_TEXT_BORDER/2, |
663 |
y - OSD_TEXT_SKIP, |
y - OSD_TEXT_SKIP, |
664 |
priv->width - OSD_TEXT_BORDER, |
priv->source_sel.width - OSD_TEXT_BORDER, |
665 |
step + OSD_TEXT_SKIP); |
step + OSD_TEXT_SKIP); |
666 |
cairo_fill(cr); |
cairo_fill(cr); |
667 |
|
|
692 |
} |
} |
693 |
|
|
694 |
static void |
static void |
695 |
osd_render_source_sel(osm_gps_map_osd_t *osd) { |
osd_render_source_sel(osm_gps_map_osd_t *osd, gboolean force_rerender) { |
696 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
697 |
|
|
698 |
|
if(priv->source_sel.rendered && !force_rerender) |
699 |
|
return; |
700 |
|
|
701 |
|
priv->source_sel.rendered = TRUE; |
702 |
|
|
703 |
#ifndef OSD_COLOR |
#ifndef OSD_COLOR |
704 |
GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; |
GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; |
705 |
GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; |
GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; |
707 |
#endif |
#endif |
708 |
|
|
709 |
/* draw source selector */ |
/* draw source selector */ |
710 |
cairo_t *cr = cairo_create(priv->map_source); |
cairo_t *cr = cairo_create(priv->source_sel.surface); |
711 |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
712 |
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); |
713 |
cairo_paint(cr); |
cairo_paint(cr); |
748 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
749 |
|
|
750 |
/* re-allocate offscreen bitmap */ |
/* re-allocate offscreen bitmap */ |
751 |
g_assert (priv->map_source); |
g_assert (priv->source_sel.surface); |
752 |
|
|
753 |
int w = OSD_S_W, h = OSD_S_H; |
int w = OSD_S_W, h = OSD_S_H; |
754 |
if(priv->expanded) { |
if(priv->source_sel.expanded) { |
|
/* ... and right of it the waypoint id */ |
|
755 |
cairo_text_extents_t extents; |
cairo_text_extents_t extents; |
756 |
|
|
757 |
/* determine content size */ |
/* determine content size */ |
758 |
cairo_t *cr = cairo_create(priv->map_source); |
cairo_t *cr = cairo_create(priv->source_sel.surface); |
759 |
cairo_select_font_face (cr, "Sans", |
cairo_select_font_face (cr, "Sans", |
760 |
CAIRO_FONT_SLANT_NORMAL, |
CAIRO_FONT_SLANT_NORMAL, |
761 |
CAIRO_FONT_WEIGHT_BOLD); |
CAIRO_FONT_WEIGHT_BOLD); |
772 |
} |
} |
773 |
cairo_destroy(cr); |
cairo_destroy(cr); |
774 |
|
|
775 |
priv->width = max_w + 2*OSD_TEXT_BORDER; |
priv->source_sel.width = max_w + 2*OSD_TEXT_BORDER; |
776 |
priv->height = OSM_GPS_MAP_SOURCE_LAST * |
priv->source_sel.height = OSM_GPS_MAP_SOURCE_LAST * |
777 |
(max_h + 2*OSD_TEXT_SKIP) + 2*OSD_TEXT_BORDER; |
(max_h + 2*OSD_TEXT_SKIP) + 2*OSD_TEXT_BORDER; |
778 |
|
|
779 |
w = OSD_S_EXP_W; |
w = OSD_S_EXP_W; |
780 |
h = OSD_S_EXP_H; |
h = OSD_S_EXP_H; |
781 |
} |
} |
782 |
|
|
783 |
cairo_surface_destroy(priv->map_source); |
cairo_surface_destroy(priv->source_sel.surface); |
784 |
priv->map_source = |
priv->source_sel.surface = |
785 |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w+2, h+2); |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w+2, h+2); |
786 |
|
|
787 |
osd_render_source_sel(osd); |
osd_render_source_sel(osd, TRUE); |
|
|
|
788 |
} |
} |
789 |
|
|
790 |
#define OSD_HZ 15 |
#define OSD_HZ 15 |
795 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
796 |
int diff = OSD_S_EXP_W - OSD_S_W - OSD_S_X; |
int diff = OSD_S_EXP_W - OSD_S_W - OSD_S_X; |
797 |
gboolean done = FALSE; |
gboolean done = FALSE; |
798 |
priv->count += priv->dir; |
priv->source_sel.count += priv->source_sel.dir; |
799 |
|
|
800 |
/* shifting in */ |
/* shifting in */ |
801 |
if(priv->dir < 0) { |
if(priv->source_sel.dir < 0) { |
802 |
if(priv->count <= 0) { |
if(priv->source_sel.count <= 0) { |
803 |
priv->count = 0; |
priv->source_sel.count = 0; |
804 |
done = TRUE; |
done = TRUE; |
805 |
} |
} |
806 |
} else { |
} else { |
807 |
if(priv->count >= 1000) { |
if(priv->source_sel.count >= 1000) { |
808 |
priv->expanded = FALSE; |
priv->source_sel.expanded = FALSE; |
809 |
osd_source_reallocate(osd); |
osd_source_reallocate(osd); |
810 |
|
|
811 |
priv->count = 1000; |
priv->source_sel.count = 1000; |
812 |
done = TRUE; |
done = TRUE; |
813 |
} |
} |
814 |
} |
} |
816 |
|
|
817 |
/* 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 */ |
818 |
|
|
819 |
/* nicer sinoid mapping */ |
/* nice sinoid mapping */ |
820 |
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; |
821 |
priv->shift = (osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X) + |
priv->source_sel.shift = |
822 |
|
(osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X) + |
823 |
m * diff; |
m * diff; |
824 |
|
|
825 |
|
/* make sure the screen is updated */ |
826 |
osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); |
osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); |
827 |
|
|
828 |
|
/* stop animation if done */ |
829 |
if(done) |
if(done) |
830 |
priv->handler_id = 0; |
priv->source_sel.handler_id = 0; |
831 |
|
|
832 |
return !done; |
return !done; |
833 |
} |
} |
839 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
840 |
|
|
841 |
/* ignore clicks while animation is running */ |
/* ignore clicks while animation is running */ |
842 |
if(priv->handler_id) |
if(priv->source_sel.handler_id) |
843 |
return; |
return; |
844 |
|
|
845 |
/* expand immediately, collapse is handle at the end of the collapse animation */ |
/* expand immediately, collapse is handle at the end of the */ |
846 |
if(!priv->expanded) { |
/* collapse animation */ |
847 |
priv->expanded = TRUE; |
if(!priv->source_sel.expanded) { |
848 |
|
priv->source_sel.expanded = TRUE; |
849 |
osd_source_reallocate(osd); |
osd_source_reallocate(osd); |
850 |
|
|
851 |
priv->count = 1000; |
priv->source_sel.count = 1000; |
852 |
priv->shift = osd->widget->allocation.width - OSD_S_W; |
priv->source_sel.shift = osd->widget->allocation.width - OSD_S_W; |
853 |
priv->dir = -1000/OSD_HZ; |
priv->source_sel.dir = -1000/OSD_HZ; |
854 |
} else { |
} else { |
855 |
priv->count = 0; |
priv->source_sel.count = 0; |
856 |
priv->shift = osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; |
priv->source_sel.shift = osd->widget->allocation.width - |
857 |
priv->dir = +1000/OSD_HZ; |
OSD_S_EXP_W + OSD_S_X; |
858 |
|
priv->source_sel.dir = +1000/OSD_HZ; |
859 |
} |
} |
860 |
|
|
861 |
priv->handler_id = gtk_timeout_add(OSD_TIME/OSD_HZ, osd_source_animate, osd); |
/* start timer to handle animation */ |
862 |
|
priv->source_sel.handler_id = gtk_timeout_add(OSD_TIME/OSD_HZ, |
863 |
|
osd_source_animate, osd); |
864 |
} |
} |
865 |
|
|
866 |
/* check if the user clicked inside the source selection area */ |
/* check if the user clicked inside the source selection area */ |
867 |
static osd_button_t |
static osd_button_t |
868 |
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) { |
869 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
870 |
|
|
871 |
if(!priv->expanded) |
if(!priv->source_sel.expanded) |
872 |
x -= osd->widget->allocation.width - OSD_S_W; |
x -= osd->widget->allocation.width - OSD_S_W; |
873 |
else |
else |
874 |
x -= osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; |
x -= osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; |
883 |
/* really within puller shape? */ |
/* really within puller shape? */ |
884 |
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)) { |
885 |
/* expand source selector */ |
/* expand source selector */ |
886 |
osd_source_toggle(osd); |
if(down) |
887 |
|
osd_source_toggle(osd); |
888 |
|
|
889 |
/* tell upper layers that user clicked some background element */ |
/* tell upper layers that user clicked some background element */ |
890 |
/* of the OSD */ |
/* of the OSD */ |
893 |
} |
} |
894 |
|
|
895 |
/* check for clicks into data area */ |
/* check for clicks into data area */ |
896 |
if(priv->expanded && !priv->handler_id) { |
if(priv->source_sel.expanded && !priv->source_sel.handler_id) { |
897 |
|
/* re-adjust from puller top to content top */ |
898 |
|
if(OSD_S_Y < 0) |
899 |
|
y += OSD_S_EXP_H - OSD_S_PH; |
900 |
|
|
901 |
if(x > OSD_S_PW && |
if(x > OSD_S_PW && |
902 |
x < OSD_S_PW + OSD_S_EXP_W && |
x < OSD_S_PW + OSD_S_EXP_W && |
903 |
y > 0 && |
y > 0 && |
904 |
y < OSD_S_EXP_H) { |
y < OSD_S_EXP_H) { |
905 |
|
|
906 |
int step = (priv->height - 2*OSD_TEXT_BORDER) |
int step = (priv->source_sel.height - 2*OSD_TEXT_BORDER) |
907 |
/ OSM_GPS_MAP_SOURCE_LAST; |
/ OSM_GPS_MAP_SOURCE_LAST; |
908 |
|
|
909 |
y -= OSD_TEXT_BORDER - OSD_TEXT_SKIP; |
y -= OSD_TEXT_BORDER - OSD_TEXT_SKIP; |
910 |
y /= step; |
y /= step; |
911 |
y += 1; |
y += 1; |
912 |
|
|
913 |
gint old = 0; |
if(down) { |
914 |
g_object_get(osd->widget, "map-source", &old, NULL); |
gint old = 0; |
915 |
|
g_object_get(osd->widget, "map-source", &old, NULL); |
916 |
if(y > OSM_GPS_MAP_SOURCE_NULL && |
|
917 |
y <= OSM_GPS_MAP_SOURCE_LAST && |
if(y > OSM_GPS_MAP_SOURCE_NULL && |
918 |
old != y) { |
y <= OSM_GPS_MAP_SOURCE_LAST && |
919 |
g_object_set(osd->widget, "map-source", y, NULL); |
old != y) { |
920 |
|
g_object_set(osd->widget, "map-source", y, NULL); |
921 |
osd_render_source_sel(osd); |
|
922 |
osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); |
osd_render_source_sel(osd, TRUE); |
923 |
|
osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); |
924 |
|
} |
925 |
} |
} |
926 |
|
|
927 |
/* return "clicked in OSD background" to prevent further */ |
/* return "clicked in OSD background" to prevent further */ |
935 |
#endif // OSD_SOURCE_SEL |
#endif // OSD_SOURCE_SEL |
936 |
|
|
937 |
static osd_button_t |
static osd_button_t |
938 |
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) { |
939 |
osd_button_t but = OSD_NONE; |
osd_button_t but = OSD_NONE; |
940 |
|
|
941 |
|
#ifdef OSD_BALLOON |
942 |
|
if(down) { |
943 |
|
/* needed to handle balloons that are created at click */ |
944 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
945 |
|
priv->balloon.just_created = FALSE; |
946 |
|
} |
947 |
|
#endif |
948 |
|
|
949 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
950 |
/* the source selection area is handles internally */ |
/* the source selection area is handles internally */ |
951 |
but = osd_source_check(osd, x, y); |
but = osd_source_check(osd, down, x, y); |
|
if(but != OSD_NONE) |
|
|
return but; |
|
952 |
#endif |
#endif |
953 |
|
|
954 |
x -= OSD_X; |
if(but == OSD_NONE) { |
955 |
y -= OSD_Y; |
gint mx = x - OSD_X; |
956 |
|
gint my = y - OSD_Y; |
957 |
if(OSD_X < 0) |
|
958 |
x -= (osd->widget->allocation.width - OSD_W); |
if(OSD_X < 0) |
959 |
|
mx -= (osd->widget->allocation.width - OSD_W); |
960 |
if(OSD_Y < 0) |
|
961 |
y -= (osd->widget->allocation.height - OSD_H); |
if(OSD_Y < 0) |
962 |
|
my -= (osd->widget->allocation.height - OSD_H); |
963 |
/* first do a rough test for the OSD area. */ |
|
964 |
/* this is just to avoid an unnecessary detailed test */ |
/* first do a rough test for the OSD area. */ |
965 |
if(x > 0 && x < OSD_W && y > 0 && y < OSD_H) { |
/* this is just to avoid an unnecessary detailed test */ |
966 |
|
if(mx > 0 && mx < OSD_W && my > 0 && my < OSD_H) { |
967 |
#ifndef OSD_NO_DPAD |
#ifndef OSD_NO_DPAD |
968 |
but = osd_check_dpad(x, y); |
but = osd_check_dpad(mx, my); |
969 |
#endif |
#endif |
970 |
|
} |
971 |
|
|
972 |
if(but == OSD_NONE) |
if(but == OSD_NONE) |
973 |
but = osd_check_zoom(x, y); |
but = osd_check_zoom(mx, my); |
974 |
} |
} |
975 |
|
|
976 |
|
#ifdef OSD_BALLOON |
977 |
|
if(but == OSD_NONE) { |
978 |
|
/* check if user clicked into balloon */ |
979 |
|
if(osd_balloon_check(osd, down, x, y)) |
980 |
|
but = OSD_BG; |
981 |
|
} |
982 |
|
#endif |
983 |
|
|
984 |
return but; |
return but; |
985 |
} |
} |
986 |
|
|
1054 |
cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); |
cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); |
1055 |
} |
} |
1056 |
|
|
1057 |
|
#ifdef OSD_COORDINATES |
1058 |
|
|
1059 |
|
#ifndef OSD_COORDINATES_FONT_SIZE |
1060 |
|
#define OSD_COORDINATES_FONT_SIZE 12 |
1061 |
|
#endif |
1062 |
|
|
1063 |
|
#define OSD_COORDINATES_OFFSET (OSD_COORDINATES_FONT_SIZE/6) |
1064 |
|
|
1065 |
|
#define OSD_COORDINATES_W (8*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET) |
1066 |
|
#define OSD_COORDINATES_H (2*OSD_COORDINATES_FONT_SIZE+OSD_COORDINATES_OFFSET) |
1067 |
|
|
1068 |
|
/* these can be overwritten with versions that support */ |
1069 |
|
/* localization */ |
1070 |
|
#ifndef OSD_COORDINATES_CHR_N |
1071 |
|
#define OSD_COORDINATES_CHR_N "N" |
1072 |
|
#endif |
1073 |
|
#ifndef OSD_COORDINATES_CHR_S |
1074 |
|
#define OSD_COORDINATES_CHR_S "S" |
1075 |
|
#endif |
1076 |
|
#ifndef OSD_COORDINATES_CHR_E |
1077 |
|
#define OSD_COORDINATES_CHR_E "E" |
1078 |
|
#endif |
1079 |
|
#ifndef OSD_COORDINATES_CHR_W |
1080 |
|
#define OSD_COORDINATES_CHR_W "W" |
1081 |
|
#endif |
1082 |
|
|
1083 |
|
|
1084 |
|
|
1085 |
|
/* this is the classic geocaching notation */ |
1086 |
|
static char |
1087 |
|
*osd_latitude_str(float latitude) { |
1088 |
|
char *c = OSD_COORDINATES_CHR_N; |
1089 |
|
float integral, fractional; |
1090 |
|
|
1091 |
|
if(isnan(latitude)) |
1092 |
|
return NULL; |
1093 |
|
|
1094 |
|
if(latitude < 0) { |
1095 |
|
latitude = fabs(latitude); |
1096 |
|
c = OSD_COORDINATES_CHR_S; |
1097 |
|
} |
1098 |
|
|
1099 |
|
fractional = modff(latitude, &integral); |
1100 |
|
|
1101 |
|
return g_strdup_printf("%s %02d° %06.3f'", |
1102 |
|
c, (int)integral, fractional*60.0); |
1103 |
|
} |
1104 |
|
|
1105 |
|
static char |
1106 |
|
*osd_longitude_str(float longitude) { |
1107 |
|
char *c = OSD_COORDINATES_CHR_E; |
1108 |
|
float integral, fractional; |
1109 |
|
|
1110 |
|
if(isnan(longitude)) |
1111 |
|
return NULL; |
1112 |
|
|
1113 |
|
if(longitude < 0) { |
1114 |
|
longitude = fabs(longitude); |
1115 |
|
c = OSD_COORDINATES_CHR_W; |
1116 |
|
} |
1117 |
|
|
1118 |
|
fractional = modff(longitude, &integral); |
1119 |
|
|
1120 |
|
return g_strdup_printf("%s %03d° %06.3f'", |
1121 |
|
c, (int)integral, fractional*60.0); |
1122 |
|
} |
1123 |
|
|
1124 |
|
static void |
1125 |
|
osd_render_coordinates(osm_gps_map_osd_t *osd) |
1126 |
|
{ |
1127 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1128 |
|
|
1129 |
|
/* get current map position */ |
1130 |
|
gfloat lat, lon; |
1131 |
|
g_object_get(osd->widget, "latitude", &lat, "longitude", &lon, NULL); |
1132 |
|
|
1133 |
|
/* check if position has changed enough to require redraw */ |
1134 |
|
if(!isnan(priv->coordinates.lat) && !isnan(priv->coordinates.lon)) |
1135 |
|
/* 1/60000 == 1/1000 minute */ |
1136 |
|
if((fabsf(lat - priv->coordinates.lat) < 1/60000) && |
1137 |
|
(fabsf(lon - priv->coordinates.lon) < 1/60000)) |
1138 |
|
return; |
1139 |
|
|
1140 |
|
priv->coordinates.lat = lat; |
1141 |
|
priv->coordinates.lon = lon; |
1142 |
|
|
1143 |
|
/* first fill with transparency */ |
1144 |
|
cairo_t *cr = cairo_create(priv->coordinates.surface); |
1145 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1146 |
|
// cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 0.5); |
1147 |
|
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); |
1148 |
|
cairo_paint(cr); |
1149 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
1150 |
|
|
1151 |
|
cairo_select_font_face (cr, "Sans", |
1152 |
|
CAIRO_FONT_SLANT_NORMAL, |
1153 |
|
CAIRO_FONT_WEIGHT_BOLD); |
1154 |
|
cairo_set_font_size (cr, OSD_COORDINATES_FONT_SIZE); |
1155 |
|
|
1156 |
|
char *latitude = osd_latitude_str(lat); |
1157 |
|
char *longitude = osd_longitude_str(lon); |
1158 |
|
|
1159 |
|
cairo_text_extents_t lat_extents, lon_extents; |
1160 |
|
cairo_text_extents (cr, latitude, &lat_extents); |
1161 |
|
cairo_text_extents (cr, longitude, &lon_extents); |
1162 |
|
|
1163 |
|
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
1164 |
|
cairo_set_line_width (cr, OSD_COORDINATES_FONT_SIZE/6); |
1165 |
|
cairo_move_to (cr, |
1166 |
|
(OSD_COORDINATES_W - lat_extents.width)/2, |
1167 |
|
OSD_COORDINATES_OFFSET - lat_extents.y_bearing); |
1168 |
|
cairo_text_path (cr, latitude); |
1169 |
|
cairo_move_to (cr, |
1170 |
|
(OSD_COORDINATES_W - lon_extents.width)/2, |
1171 |
|
OSD_COORDINATES_OFFSET - lon_extents.y_bearing + |
1172 |
|
OSD_COORDINATES_FONT_SIZE); |
1173 |
|
cairo_text_path (cr, longitude); |
1174 |
|
cairo_stroke (cr); |
1175 |
|
|
1176 |
|
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); |
1177 |
|
cairo_move_to (cr, |
1178 |
|
(OSD_COORDINATES_W - lat_extents.width)/2, |
1179 |
|
OSD_COORDINATES_OFFSET - lat_extents.y_bearing); |
1180 |
|
cairo_show_text (cr, latitude); |
1181 |
|
cairo_move_to (cr, |
1182 |
|
(OSD_COORDINATES_W - lon_extents.width)/2, |
1183 |
|
OSD_COORDINATES_OFFSET - lon_extents.y_bearing + |
1184 |
|
OSD_COORDINATES_FONT_SIZE); |
1185 |
|
cairo_show_text (cr, longitude); |
1186 |
|
|
1187 |
|
g_free(latitude); |
1188 |
|
g_free(longitude); |
1189 |
|
|
1190 |
|
cairo_destroy(cr); |
1191 |
|
} |
1192 |
|
#endif // OSD_COORDINATES |
1193 |
|
|
1194 |
|
#ifdef OSD_CROSSHAIR |
1195 |
|
|
1196 |
|
#ifndef OSD_CROSSHAIR_RADIUS |
1197 |
|
#define OSD_CROSSHAIR_RADIUS 10 |
1198 |
|
#endif |
1199 |
|
|
1200 |
|
#define OSD_CROSSHAIR_TICK (OSD_CROSSHAIR_RADIUS/2) |
1201 |
|
#define OSD_CROSSHAIR_BORDER (OSD_CROSSHAIR_TICK + OSD_CROSSHAIR_RADIUS/4) |
1202 |
|
#define OSD_CROSSHAIR_W ((OSD_CROSSHAIR_RADIUS+OSD_CROSSHAIR_BORDER)*2) |
1203 |
|
#define OSD_CROSSHAIR_H ((OSD_CROSSHAIR_RADIUS+OSD_CROSSHAIR_BORDER)*2) |
1204 |
|
|
1205 |
|
static void |
1206 |
|
osd_render_crosshair_shape(cairo_t *cr) { |
1207 |
|
cairo_arc (cr, OSD_CROSSHAIR_W/2, OSD_CROSSHAIR_H/2, |
1208 |
|
OSD_CROSSHAIR_RADIUS, 0, 2*M_PI); |
1209 |
|
|
1210 |
|
cairo_move_to (cr, OSD_CROSSHAIR_W/2 - OSD_CROSSHAIR_RADIUS, |
1211 |
|
OSD_CROSSHAIR_H/2); |
1212 |
|
cairo_rel_line_to (cr, -OSD_CROSSHAIR_TICK, 0); |
1213 |
|
cairo_move_to (cr, OSD_CROSSHAIR_W/2 + OSD_CROSSHAIR_RADIUS, |
1214 |
|
OSD_CROSSHAIR_H/2); |
1215 |
|
cairo_rel_line_to (cr, OSD_CROSSHAIR_TICK, 0); |
1216 |
|
|
1217 |
|
cairo_move_to (cr, OSD_CROSSHAIR_W/2, |
1218 |
|
OSD_CROSSHAIR_H/2 - OSD_CROSSHAIR_RADIUS); |
1219 |
|
cairo_rel_line_to (cr, 0, -OSD_CROSSHAIR_TICK); |
1220 |
|
cairo_move_to (cr, OSD_CROSSHAIR_W/2, |
1221 |
|
OSD_CROSSHAIR_H/2 + OSD_CROSSHAIR_RADIUS); |
1222 |
|
cairo_rel_line_to (cr, 0, OSD_CROSSHAIR_TICK); |
1223 |
|
|
1224 |
|
cairo_stroke (cr); |
1225 |
|
} |
1226 |
|
|
1227 |
static void |
static void |
1228 |
osd_render(osm_gps_map_osd_t *osd) { |
osd_render_crosshair(osm_gps_map_osd_t *osd) |
1229 |
|
{ |
1230 |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1231 |
|
|
1232 |
|
if(priv->crosshair.rendered) |
1233 |
|
return; |
1234 |
|
|
1235 |
|
priv->crosshair.rendered = TRUE; |
1236 |
|
|
1237 |
|
/* first fill with transparency */ |
1238 |
|
cairo_t *cr = cairo_create(priv->crosshair.surface); |
1239 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1240 |
|
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); |
1241 |
|
cairo_paint(cr); |
1242 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
1243 |
|
|
1244 |
|
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
1245 |
|
|
1246 |
|
cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 0.5); |
1247 |
|
cairo_set_line_width (cr, OSD_CROSSHAIR_RADIUS/2); |
1248 |
|
osd_render_crosshair_shape(cr); |
1249 |
|
|
1250 |
|
cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.5); |
1251 |
|
cairo_set_line_width (cr, OSD_CROSSHAIR_RADIUS/4); |
1252 |
|
osd_render_crosshair_shape(cr); |
1253 |
|
|
1254 |
|
cairo_destroy(cr); |
1255 |
|
} |
1256 |
|
#endif |
1257 |
|
|
1258 |
|
#ifdef OSD_SCALE |
1259 |
|
|
1260 |
|
#ifndef OSD_SCALE_FONT_SIZE |
1261 |
|
#define OSD_SCALE_FONT_SIZE 12 |
1262 |
|
#endif |
1263 |
|
#define OSD_SCALE_W (10*OSD_SCALE_FONT_SIZE) |
1264 |
|
#define OSD_SCALE_H (5*OSD_SCALE_FONT_SIZE/2) |
1265 |
|
|
1266 |
|
/* various parameters used to create the scale */ |
1267 |
|
#define OSD_SCALE_H2 (OSD_SCALE_H/2) |
1268 |
|
#define OSD_SCALE_TICK (2*OSD_SCALE_FONT_SIZE/3) |
1269 |
|
#define OSD_SCALE_M (OSD_SCALE_H2 - OSD_SCALE_TICK) |
1270 |
|
#define OSD_SCALE_I (OSD_SCALE_H2 + OSD_SCALE_TICK) |
1271 |
|
#define OSD_SCALE_FD (OSD_SCALE_FONT_SIZE/4) |
1272 |
|
|
1273 |
|
static void |
1274 |
|
osd_render_scale(osm_gps_map_osd_t *osd) |
1275 |
|
{ |
1276 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1277 |
|
|
1278 |
|
/* this only needs to be rendered if the zoom has changed */ |
1279 |
|
gint zoom; |
1280 |
|
g_object_get(OSM_GPS_MAP(osd->widget), "zoom", &zoom, NULL); |
1281 |
|
if(zoom == priv->scale.zoom) |
1282 |
|
return; |
1283 |
|
|
1284 |
|
priv->scale.zoom = zoom; |
1285 |
|
|
1286 |
|
float m_per_pix = osm_gps_map_get_scale(OSM_GPS_MAP(osd->widget)); |
1287 |
|
|
1288 |
|
/* first fill with transparency */ |
1289 |
|
cairo_t *cr = cairo_create(priv->scale.surface); |
1290 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1291 |
|
cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); |
1292 |
|
// pink for testing: cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.2); |
1293 |
|
cairo_paint(cr); |
1294 |
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
1295 |
|
|
1296 |
|
/* determine the size of the scale width in meters */ |
1297 |
|
float width = (OSD_SCALE_W-OSD_SCALE_FONT_SIZE/6) * m_per_pix; |
1298 |
|
|
1299 |
|
/* scale this to useful values */ |
1300 |
|
int exp = logf(width)*M_LOG10E; |
1301 |
|
int mant = width/pow(10,exp); |
1302 |
|
int width_metric = mant * pow(10,exp); |
1303 |
|
char *dist_str = NULL; |
1304 |
|
if(width_metric<1000) |
1305 |
|
dist_str = g_strdup_printf("%u m", width_metric); |
1306 |
|
else |
1307 |
|
dist_str = g_strdup_printf("%u km", width_metric/1000); |
1308 |
|
width_metric /= m_per_pix; |
1309 |
|
|
1310 |
|
/* and now the hard part: scale for useful imperial values :-( */ |
1311 |
|
/* try to convert to feet, 1ft == 0.3048 m */ |
1312 |
|
width /= 0.3048; |
1313 |
|
float imp_scale = 0.3048; |
1314 |
|
char *dist_imp_unit = "ft"; |
1315 |
|
|
1316 |
|
if(width >= 100) { |
1317 |
|
/* 1yd == 3 feet */ |
1318 |
|
width /= 3.0; |
1319 |
|
imp_scale *= 3.0; |
1320 |
|
dist_imp_unit = "yd"; |
1321 |
|
|
1322 |
|
if(width >= 1760.0) { |
1323 |
|
/* 1mi == 1760 yd */ |
1324 |
|
width /= 1760.0; |
1325 |
|
imp_scale *= 1760.0; |
1326 |
|
dist_imp_unit = "mi"; |
1327 |
|
} |
1328 |
|
} |
1329 |
|
|
1330 |
|
/* also convert this to full tens/hundreds */ |
1331 |
|
exp = logf(width)*M_LOG10E; |
1332 |
|
mant = width/pow(10,exp); |
1333 |
|
int width_imp = mant * pow(10,exp); |
1334 |
|
char *dist_str_imp = g_strdup_printf("%u %s", width_imp, dist_imp_unit); |
1335 |
|
|
1336 |
|
/* convert back to pixels */ |
1337 |
|
width_imp *= imp_scale; |
1338 |
|
width_imp /= m_per_pix; |
1339 |
|
|
1340 |
|
cairo_select_font_face (cr, "Sans", |
1341 |
|
CAIRO_FONT_SLANT_NORMAL, |
1342 |
|
CAIRO_FONT_WEIGHT_BOLD); |
1343 |
|
cairo_set_font_size (cr, OSD_SCALE_FONT_SIZE); |
1344 |
|
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0); |
1345 |
|
|
1346 |
|
cairo_text_extents_t extents; |
1347 |
|
cairo_text_extents (cr, dist_str, &extents); |
1348 |
|
|
1349 |
|
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
1350 |
|
cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/6); |
1351 |
|
cairo_move_to (cr, 2*OSD_SCALE_FD, OSD_SCALE_H2-OSD_SCALE_FD); |
1352 |
|
cairo_text_path (cr, dist_str); |
1353 |
|
cairo_stroke (cr); |
1354 |
|
cairo_move_to (cr, 2*OSD_SCALE_FD, |
1355 |
|
OSD_SCALE_H2+OSD_SCALE_FD + extents.height); |
1356 |
|
cairo_text_path (cr, dist_str_imp); |
1357 |
|
cairo_stroke (cr); |
1358 |
|
|
1359 |
|
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); |
1360 |
|
cairo_move_to (cr, 2*OSD_SCALE_FD, OSD_SCALE_H2-OSD_SCALE_FD); |
1361 |
|
cairo_show_text (cr, dist_str); |
1362 |
|
cairo_move_to (cr, 2*OSD_SCALE_FD, |
1363 |
|
OSD_SCALE_H2+OSD_SCALE_FD + extents.height); |
1364 |
|
cairo_show_text (cr, dist_str_imp); |
1365 |
|
|
1366 |
|
g_free(dist_str); |
1367 |
|
g_free(dist_str_imp); |
1368 |
|
|
1369 |
|
/* draw white line */ |
1370 |
|
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
1371 |
|
cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0); |
1372 |
|
cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/3); |
1373 |
|
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_M); |
1374 |
|
cairo_rel_line_to (cr, 0, OSD_SCALE_TICK); |
1375 |
|
cairo_rel_line_to (cr, width_metric, 0); |
1376 |
|
cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1377 |
|
cairo_stroke(cr); |
1378 |
|
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_I); |
1379 |
|
cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1380 |
|
cairo_rel_line_to (cr, width_imp, 0); |
1381 |
|
cairo_rel_line_to (cr, 0, +OSD_SCALE_TICK); |
1382 |
|
cairo_stroke(cr); |
1383 |
|
|
1384 |
|
/* draw black line */ |
1385 |
|
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0); |
1386 |
|
cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/6); |
1387 |
|
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_M); |
1388 |
|
cairo_rel_line_to (cr, 0, OSD_SCALE_TICK); |
1389 |
|
cairo_rel_line_to (cr, width_metric, 0); |
1390 |
|
cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1391 |
|
cairo_stroke(cr); |
1392 |
|
cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_I); |
1393 |
|
cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1394 |
|
cairo_rel_line_to (cr, width_imp, 0); |
1395 |
|
cairo_rel_line_to (cr, 0, +OSD_SCALE_TICK); |
1396 |
|
cairo_stroke(cr); |
1397 |
|
|
1398 |
|
cairo_destroy(cr); |
1399 |
|
} |
1400 |
|
#endif |
1401 |
|
|
1402 |
|
static void |
1403 |
|
osd_render_controls(osm_gps_map_osd_t *osd) |
1404 |
|
{ |
1405 |
|
osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1406 |
|
|
1407 |
|
if(priv->controls.rendered |
1408 |
|
#ifdef OSD_GPS_BUTTON |
1409 |
|
&& (priv->controls.gps_enabled == (osd->cb != NULL)) |
1410 |
|
#endif |
1411 |
|
) |
1412 |
|
return; |
1413 |
|
|
1414 |
|
#ifdef OSD_GPS_BUTTON |
1415 |
|
priv->controls.gps_enabled = (osd->cb != NULL); |
1416 |
|
#endif |
1417 |
|
priv->controls.rendered = TRUE; |
1418 |
|
|
1419 |
#ifndef OSD_COLOR |
#ifndef OSD_COLOR |
1420 |
GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; |
GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; |
1421 |
GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; |
GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; |
1423 |
#endif |
#endif |
1424 |
|
|
1425 |
/* first fill with transparency */ |
/* first fill with transparency */ |
1426 |
cairo_t *cr = cairo_create(priv->overlay); |
cairo_t *cr = cairo_create(priv->controls.surface); |
1427 |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1428 |
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); |
1429 |
cairo_paint(cr); |
cairo_paint(cr); |
1494 |
cairo_stroke(cr); |
cairo_stroke(cr); |
1495 |
|
|
1496 |
cairo_destroy(cr); |
cairo_destroy(cr); |
1497 |
|
} |
1498 |
|
|
1499 |
|
static void |
1500 |
|
osd_render(osm_gps_map_osd_t *osd) |
1501 |
|
{ |
1502 |
|
/* this function is actually called pretty often since the */ |
1503 |
|
/* OSD contents may have changed (due to a coordinate/zoom change). */ |
1504 |
|
/* The different OSD parts have to make sure that they don't */ |
1505 |
|
/* render unneccessarily often and thus waste CPU power */ |
1506 |
|
|
1507 |
|
osd_render_controls(osd); |
1508 |
|
|
1509 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1510 |
osd_render_source_sel(osd); |
osd_render_source_sel(osd, FALSE); |
1511 |
|
#endif |
1512 |
|
|
1513 |
|
#ifdef OSD_SCALE |
1514 |
|
osd_render_scale(osd); |
1515 |
|
#endif |
1516 |
|
|
1517 |
|
#ifdef OSD_CROSSHAIR |
1518 |
|
osd_render_crosshair(osd); |
1519 |
|
#endif |
1520 |
|
|
1521 |
|
#ifdef OSD_COORDINATES |
1522 |
|
osd_render_coordinates(osd); |
1523 |
#endif |
#endif |
1524 |
} |
} |
1525 |
|
|
1530 |
|
|
1531 |
/* OSD itself uses some off-screen rendering, so check if the */ |
/* OSD itself uses some off-screen rendering, so check if the */ |
1532 |
/* offscreen buffer is present and create it if not */ |
/* offscreen buffer is present and create it if not */ |
1533 |
if(!priv->overlay) { |
if(!priv->controls.surface) { |
1534 |
/* create overlay ... */ |
/* create overlay ... */ |
1535 |
priv->overlay = |
priv->controls.surface = |
1536 |
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); |
1537 |
|
|
1538 |
|
priv->controls.rendered = FALSE; |
1539 |
|
#ifdef OSD_GPS_BUTTON |
1540 |
|
priv->controls.gps_enabled = FALSE; |
1541 |
|
#endif |
1542 |
|
|
1543 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1544 |
/* the initial OSD state is alway not-expanded */ |
/* the initial OSD state is alway not-expanded */ |
1545 |
priv->map_source = |
priv->source_sel.surface = |
1546 |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1547 |
OSD_S_W+2, OSD_S_H+2); |
OSD_S_W+2, OSD_S_H+2); |
1548 |
|
priv->source_sel.rendered = FALSE; |
1549 |
|
#endif |
1550 |
|
|
1551 |
|
#ifdef OSD_SCALE |
1552 |
|
priv->scale.surface = |
1553 |
|
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1554 |
|
OSD_SCALE_W, OSD_SCALE_H); |
1555 |
|
priv->scale.zoom = -1; |
1556 |
|
#endif |
1557 |
|
|
1558 |
|
#ifdef OSD_CROSSHAIR |
1559 |
|
priv->crosshair.surface = |
1560 |
|
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1561 |
|
OSD_CROSSHAIR_W, OSD_CROSSHAIR_H); |
1562 |
|
priv->crosshair.rendered = FALSE; |
1563 |
|
#endif |
1564 |
|
|
1565 |
|
#ifdef OSD_COORDINATES |
1566 |
|
priv->coordinates.surface = |
1567 |
|
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1568 |
|
OSD_COORDINATES_W, OSD_COORDINATES_H); |
1569 |
|
|
1570 |
|
priv->coordinates.lat = priv->coordinates.lon = OSM_GPS_MAP_INVALID; |
1571 |
#endif |
#endif |
1572 |
|
|
1573 |
/* ... and render it */ |
/* ... and render it */ |
1577 |
// now draw this onto the original context |
// now draw this onto the original context |
1578 |
cairo_t *cr = gdk_cairo_create(drawable); |
cairo_t *cr = gdk_cairo_create(drawable); |
1579 |
|
|
1580 |
int x = OSD_X, y = OSD_Y; |
gint x, y; |
1581 |
if(OSD_X < 0) |
|
1582 |
x = osd->widget->allocation.width - OSD_W + OSD_X; |
#ifdef OSD_SCALE |
1583 |
|
x = OSD_X; |
1584 |
|
y = -OSD_Y; |
1585 |
|
if(x < 0) x += osd->widget->allocation.width - OSD_SCALE_W; |
1586 |
|
if(y < 0) y += osd->widget->allocation.height - OSD_SCALE_H; |
1587 |
|
|
1588 |
|
cairo_set_source_surface(cr, priv->scale.surface, x, y); |
1589 |
|
cairo_paint(cr); |
1590 |
|
#endif |
1591 |
|
|
1592 |
|
#ifdef OSD_CROSSHAIR |
1593 |
|
x = (osd->widget->allocation.width - OSD_CROSSHAIR_W)/2; |
1594 |
|
y = (osd->widget->allocation.height - OSD_CROSSHAIR_H)/2; |
1595 |
|
|
1596 |
|
cairo_set_source_surface(cr, priv->crosshair.surface, x, y); |
1597 |
|
cairo_paint(cr); |
1598 |
|
#endif |
1599 |
|
|
1600 |
|
#ifdef OSD_COORDINATES |
1601 |
|
x = -OSD_X; |
1602 |
|
y = -OSD_Y; |
1603 |
|
if(x < 0) x += osd->widget->allocation.width - OSD_COORDINATES_W; |
1604 |
|
if(y < 0) y += osd->widget->allocation.height - OSD_COORDINATES_H; |
1605 |
|
|
1606 |
if(OSD_Y < 0) |
cairo_set_source_surface(cr, priv->coordinates.surface, x, y); |
1607 |
y = osd->widget->allocation.height - OSD_H + OSD_Y; |
cairo_paint(cr); |
1608 |
|
#endif |
1609 |
|
|
1610 |
cairo_set_source_surface(cr, priv->overlay, x, y); |
#ifdef OSD_BALLOON |
1611 |
|
if(priv->balloon.surface) { |
1612 |
|
|
1613 |
|
/* convert given lat lon into screen coordinates */ |
1614 |
|
gint x, y; |
1615 |
|
osm_gps_map_geographic_to_screen (OSM_GPS_MAP(osd->widget), |
1616 |
|
priv->balloon.lat, priv->balloon.lon, |
1617 |
|
&x, &y); |
1618 |
|
|
1619 |
|
/* check if balloon needs to be rerendered */ |
1620 |
|
osd_render_balloon(osd); |
1621 |
|
|
1622 |
|
cairo_set_source_surface(cr, priv->balloon.surface, |
1623 |
|
x + priv->balloon.offset_x, |
1624 |
|
y + priv->balloon.offset_y); |
1625 |
|
cairo_paint(cr); |
1626 |
|
} |
1627 |
|
#endif |
1628 |
|
|
1629 |
|
x = OSD_X; |
1630 |
|
if(x < 0) |
1631 |
|
x += osd->widget->allocation.width - OSD_W; |
1632 |
|
|
1633 |
|
y = OSD_Y; |
1634 |
|
if(y < 0) |
1635 |
|
y += osd->widget->allocation.height - OSD_H; |
1636 |
|
|
1637 |
|
cairo_set_source_surface(cr, priv->controls.surface, x, y); |
1638 |
cairo_paint(cr); |
cairo_paint(cr); |
1639 |
|
|
1640 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1641 |
if(!priv->handler_id) { |
if(!priv->source_sel.handler_id) { |
1642 |
/* the OSD source selection is not being animated */ |
/* the OSD source selection is not being animated */ |
1643 |
if(!priv->expanded) |
if(!priv->source_sel.expanded) |
1644 |
x = osd->widget->allocation.width - OSD_S_W; |
x = osd->widget->allocation.width - OSD_S_W; |
1645 |
else |
else |
1646 |
x = osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; |
x = osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; |
1647 |
} else |
} else |
1648 |
x = priv->shift; |
x = priv->source_sel.shift; |
1649 |
|
|
1650 |
y = OSD_S_Y; |
y = OSD_S_Y; |
1651 |
if(OSD_S_Y < 0) { |
if(OSD_S_Y < 0) { |
1652 |
if(!priv->expanded) |
if(!priv->source_sel.expanded) |
1653 |
y = osd->widget->allocation.height - OSD_S_H + OSD_S_Y; |
y = osd->widget->allocation.height - OSD_S_H + OSD_S_Y; |
1654 |
else |
else |
1655 |
y = osd->widget->allocation.height - OSD_S_EXP_H + OSD_S_Y; |
y = osd->widget->allocation.height - OSD_S_EXP_H + OSD_S_Y; |
1656 |
} |
} |
1657 |
|
|
1658 |
cairo_set_source_surface(cr, priv->map_source, x, y); |
cairo_set_source_surface(cr, priv->source_sel.surface, x, y); |
1659 |
cairo_paint(cr); |
cairo_paint(cr); |
1660 |
#endif |
#endif |
1661 |
|
|
1667 |
{ |
{ |
1668 |
osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
1669 |
|
|
1670 |
if (priv->overlay) |
if (priv->controls.surface) |
1671 |
cairo_surface_destroy(priv->overlay); |
cairo_surface_destroy(priv->controls.surface); |
1672 |
|
|
1673 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1674 |
if(priv->handler_id) |
if(priv->source_sel.handler_id) |
1675 |
gtk_timeout_remove(priv->handler_id); |
gtk_timeout_remove(priv->source_sel.handler_id); |
1676 |
|
|
1677 |
|
if (priv->source_sel.surface) |
1678 |
|
cairo_surface_destroy(priv->source_sel.surface); |
1679 |
|
#endif |
1680 |
|
|
1681 |
if (priv->map_source) |
#ifdef OSD_SCALE |
1682 |
cairo_surface_destroy(priv->map_source); |
if (priv->scale.surface) |
1683 |
|
cairo_surface_destroy(priv->scale.surface); |
1684 |
|
#endif |
1685 |
|
|
1686 |
|
#ifdef OSD_CROSSHAIR |
1687 |
|
if (priv->crosshair.surface) |
1688 |
|
cairo_surface_destroy(priv->crosshair.surface); |
1689 |
|
#endif |
1690 |
|
|
1691 |
|
#ifdef OSD_COORDINATES |
1692 |
|
if (priv->coordinates.surface) |
1693 |
|
cairo_surface_destroy(priv->coordinates.surface); |
1694 |
|
#endif |
1695 |
|
|
1696 |
|
#ifdef OSD_BALLOON |
1697 |
|
if (priv->balloon.surface) |
1698 |
|
cairo_surface_destroy(priv->balloon.surface); |
1699 |
#endif |
#endif |
1700 |
|
|
1701 |
g_free(priv); |
g_free(priv); |
1706 |
{ |
{ |
1707 |
#ifdef OSD_SOURCE_SEL |
#ifdef OSD_SOURCE_SEL |
1708 |
osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
1709 |
return (priv->handler_id != 0); |
return (priv->source_sel.handler_id != 0); |
1710 |
#else |
#else |
1711 |
return FALSE; |
return FALSE; |
1712 |
#endif |
#endif |
1733 |
{ |
{ |
1734 |
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); |
1735 |
|
|
1736 |
|
#ifdef OSD_BALLOON |
1737 |
|
priv->balloon.lat = OSM_GPS_MAP_INVALID; |
1738 |
|
priv->balloon.lon = OSM_GPS_MAP_INVALID; |
1739 |
|
#endif |
1740 |
|
|
1741 |
osd_classic.priv = priv; |
osd_classic.priv = priv; |
1742 |
|
|
1743 |
osm_gps_map_register_osd(map, &osd_classic); |
osm_gps_map_register_osd(map, &osd_classic); |
1767 |
osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
1768 |
g_return_val_if_fail (osd, OSD_NONE); |
g_return_val_if_fail (osd, OSD_NONE); |
1769 |
|
|
1770 |
return osd_check(osd, x, y); |
return osd_check(osd, TRUE, x, y); |
1771 |
} |
} |