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<title>OsmGpsMap: OsmGpsMap Reference Manual</title>
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<a href="#OsmGpsMap.signals" class="shortcut">Signals</a></span>
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<div class="refentry">
<a name="OsmGpsMap"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="OsmGpsMap.top_of_page"></a>OsmGpsMap</span></h2>
<p>OsmGpsMap — The map display widget</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="OsmGpsMap.stability-level"></a><h2>Stability Level</h2>
<acronym title="The intention of a Stable interface is to enable arbitrary third parties to
develop applications to these interfaces, release them, and have confidence that
they will run on all minor releases of the product (after the one in which the
interface was introduced, and within the same major release). Even at a major
release, incompatible changes are expected to be rare, and to have strong
justifications.
"><span class="acronym">Stable</span></acronym>, unless otherwise indicated
</div>
<div class="refsect1">
<a name="OsmGpsMap.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">gchar</span> *
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-get-default-cache-directory" title="osm_gps_map_get_default_cache_directory ()">osm_gps_map_get_default_cache_directory</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-source-get-friendly-name" title="osm_gps_map_source_get_friendly_name ()">osm_gps_map_source_get_friendly_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-source-get-repo-uri" title="osm_gps_map_source_get_repo_uri ()">osm_gps_map_source_get_repo_uri</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-source-get-image-format" title="osm_gps_map_source_get_image_format ()">osm_gps_map_source_get_image_format</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-source-get-min-zoom" title="osm_gps_map_source_get_min_zoom ()">osm_gps_map_source_get_min_zoom</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-source-get-max-zoom" title="osm_gps_map_source_get_max_zoom ()">osm_gps_map_source_get_max_zoom</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-source-is-valid" title="osm_gps_map_source_is_valid ()">osm_gps_map_source_is_valid</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GtkWidget</span> *
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-new" title="osm_gps_map_new ()">osm_gps_map_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-download-maps" title="osm_gps_map_download_maps ()">osm_gps_map_download_maps</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-download-cancel-all" title="osm_gps_map_download_cancel_all ()">osm_gps_map_download_cancel_all</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-get-bbox" title="osm_gps_map_get_bbox ()">osm_gps_map_get_bbox</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-set-center" title="osm_gps_map_set_center ()">osm_gps_map_set_center</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-set-center-and-zoom" title="osm_gps_map_set_center_and_zoom ()">osm_gps_map_set_center_and_zoom</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-set-zoom" title="osm_gps_map_set_zoom ()">osm_gps_map_set_zoom</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-zoom-in" title="osm_gps_map_zoom_in ()">osm_gps_map_zoom_in</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-zoom-out" title="osm_gps_map_zoom_out ()">osm_gps_map_zoom_out</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-scroll" title="osm_gps_map_scroll ()">osm_gps_map_scroll</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">float</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-get-scale" title="osm_gps_map_get_scale ()">osm_gps_map_get_scale</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-set-keyboard-shortcut" title="osm_gps_map_set_keyboard_shortcut ()">osm_gps_map_set_keyboard_shortcut</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="OsmGpsMapPoint.html" title="OsmGpsMapPoint"><span class="returnvalue">OsmGpsMapPoint</span></a> *
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-get-event-location" title="osm_gps_map_get_event_location ()">osm_gps_map_get_event_location</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-convert-geographic-to-screen" title="osm_gps_map_convert_geographic_to_screen ()">osm_gps_map_convert_geographic_to_screen</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-convert-screen-to-geographic" title="osm_gps_map_convert_screen_to_geographic ()">osm_gps_map_convert_screen_to_geographic</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-gps-add" title="osm_gps_map_gps_add ()">osm_gps_map_gps_add</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-gps-clear" title="osm_gps_map_gps_clear ()">osm_gps_map_gps_clear</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="OsmGpsMapTrack.html" title="OsmGpsMapTrack"><span class="returnvalue">OsmGpsMapTrack</span></a> *
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-gps-get-track" title="osm_gps_map_gps_get_track ()">osm_gps_map_gps_get_track</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-track-add" title="osm_gps_map_track_add ()">osm_gps_map_track_add</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-track-remove" title="osm_gps_map_track_remove ()">osm_gps_map_track_remove</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-track-remove-all" title="osm_gps_map_track_remove_all ()">osm_gps_map_track_remove_all</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="OsmGpsMapImage.html" title="OsmGpsMapImage"><span class="returnvalue">OsmGpsMapImage</span></a> *
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-image-add" title="osm_gps_map_image_add ()">osm_gps_map_image_add</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="OsmGpsMapImage.html" title="OsmGpsMapImage"><span class="returnvalue">OsmGpsMapImage</span></a> *
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-image-add-with-alignment" title="osm_gps_map_image_add_with_alignment ()">osm_gps_map_image_add_with_alignment</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-image-remove" title="osm_gps_map_image_remove ()">osm_gps_map_image_remove</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-image-remove-all" title="osm_gps_map_image_remove_all ()">osm_gps_map_image_remove_all</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-layer-add" title="osm_gps_map_layer_add ()">osm_gps_map_layer_add</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-layer-remove" title="osm_gps_map_layer_remove ()">osm_gps_map_layer_remove</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="OsmGpsMap.html#osm-gps-map-layer-remove-all" title="osm_gps_map_layer_remove_all ()">osm_gps_map_layer_remove_all</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="OsmGpsMap.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--auto-center" title="The “auto-center” property">auto-center</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gfloat</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--auto-center-threshold" title="The “auto-center-threshold” property">auto-center-threshold</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--auto-download" title="The “auto-download” property">auto-download</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--drag-limit" title="The “drag-limit” property">drag-limit</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--gps-track-highlight-radius" title="The “gps-track-highlight-radius” property">gps-track-highlight-radius</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--gps-track-point-radius" title="The “gps-track-point-radius” property">gps-track-point-radius</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gfloat</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--gps-track-width" title="The “gps-track-width” property">gps-track-width</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type">
<span class="type">gchar</span> *</td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--image-format" title="The “image-format” property">image-format</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
<tr>
<td class="property_type"><span class="type">gfloat</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--latitude" title="The “latitude” property">latitude</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><span class="type">gfloat</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--longitude" title="The “longitude” property">longitude</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--map-source" title="The “map-source” property">map-source</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--map-x" title="The “map-x” property">map-x</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--map-y" title="The “map-y” property">map-y</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--max-zoom" title="The “max-zoom” property">max-zoom</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--min-zoom" title="The “min-zoom” property">min-zoom</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
<tr>
<td class="property_type">
<span class="type">gchar</span> *</td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--proxy-uri" title="The “proxy-uri” property">proxy-uri</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--record-trip-history" title="The “record-trip-history” property">record-trip-history</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type">
<span class="type">gchar</span> *</td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--repo-uri" title="The “repo-uri” property">repo-uri</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--show-gps-point" title="The “show-gps-point” property">show-gps-point</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--show-trip-history" title="The “show-trip-history” property">show-trip-history</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type">
<span class="type">gchar</span> *</td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--tile-cache" title="The “tile-cache” property">tile-cache</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type">
<span class="type">gchar</span> *</td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--tile-cache-base" title="The “tile-cache-base” property">tile-cache-base</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--tile-zoom-offset" title="The “tile-zoom-offset” property">tile-zoom-offset</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--tiles-queued" title="The “tiles-queued” property">tiles-queued</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><span class="type">gint</span></td>
<td class="property_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap--zoom" title="The “zoom” property">zoom</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="OsmGpsMap.signals"></a><h2>Signals</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="signals_return">
<col width="300px" class="signals_name">
<col width="200px" class="signals_flags">
</colgroup>
<tbody><tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap-changed" title="The “changed” signal">changed</a></td>
<td class="signal_flags">Run First</td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="OsmGpsMap.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="OsmGpsMap.html#OsmGpsMap-struct" title="struct OsmGpsMap">OsmGpsMap</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="OsmGpsMap.html#OsmGpsMapClass" title="struct OsmGpsMapClass">OsmGpsMapClass</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-INVALID:CAPS" title="OSM_GPS_MAP_INVALID">OSM_GPS_MAP_INVALID</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-CACHE-DISABLED:CAPS" title="OSM_GPS_MAP_CACHE_DISABLED">OSM_GPS_MAP_CACHE_DISABLED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-CACHE-AUTO:CAPS" title="OSM_GPS_MAP_CACHE_AUTO">OSM_GPS_MAP_CACHE_AUTO</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-CACHE-FRIENDLY:CAPS" title="OSM_GPS_MAP_CACHE_FRIENDLY">OSM_GPS_MAP_CACHE_FRIENDLY</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="OsmGpsMap.html#OsmGpsMapSource-t" title="enum OsmGpsMapSource_t">OsmGpsMapSource_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="OsmGpsMap.html#OsmGpsMapKey-t" title="enum OsmGpsMapKey_t">OsmGpsMapKey_t</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="OsmGpsMap.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> GObject
<span class="lineart">╰──</span> GInitiallyUnowned
<span class="lineart">╰──</span> GtkWidget
<span class="lineart">╰──</span> GtkDrawingArea
<span class="lineart">╰──</span> OsmGpsMap
</pre>
</div>
<div class="refsect1">
<a name="OsmGpsMap.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
OsmGpsMap implements
AtkImplementorIface and GtkBuildable.</p>
</div>
<div class="refsect1">
<a name="OsmGpsMap.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <osm-gps-map.h>
</pre>
</div>
<div class="refsect1">
<a name="OsmGpsMap.description"></a><h2>Description</h2>
<p><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> is a widget for displaying a map, optionally overlaid with a
track(s) of GPS co-ordinates, images, points of interest or on screen display
controls. <a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> downloads (and caches for offline use) map data from a
number of websites, including</p>
<a class="ulink" href="http://www.openstreetmap.org" target="_top"><em class="citetitle">OpenStreetMap</em></a><div class="example">
<a name="id-1.2.2.11.4"></a><p class="title"><b>Example 1. Showing a map</b></p>
<div class="example-contents">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
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<td class="listing_code"><pre class="programlisting"><span class="gtkdoc kwb">int</span> <span class="function">main</span> <span class="gtkdoc opt">(</span><span class="gtkdoc kwb">int</span> argc<span class="gtkdoc opt">,</span> <span class="gtkdoc kwb">char</span> <span class="gtkdoc opt">**</span>argv<span class="gtkdoc opt">)</span>
<span class="gtkdoc opt">{</span>
<span class="function">g_thread_init</span><span class="gtkdoc opt">(</span>NULL<span class="gtkdoc opt">);</span>
<span class="function">gtk_init</span> <span class="gtkdoc opt">(&</span>argc<span class="gtkdoc opt">, &</span>argv<span class="gtkdoc opt">);</span>
GtkWidget <span class="gtkdoc opt">*</span>map <span class="gtkdoc opt">=</span> <span class="function"><a href="OsmGpsMap.html#osm-gps-map-new">osm_gps_map_new</a></span> <span class="gtkdoc opt">();</span>
GtkWidget <span class="gtkdoc opt">*</span>w <span class="gtkdoc opt">=</span> <span class="function">gtk_window_new</span> <span class="gtkdoc opt">(</span>GTK_WINDOW_TOPLEVEL<span class="gtkdoc opt">);</span>
<span class="function">gtk_container_add</span> <span class="gtkdoc opt">(</span><span class="function">GTK_CONTAINER</span><span class="gtkdoc opt">(</span>w<span class="gtkdoc opt">),</span> map<span class="gtkdoc opt">);</span>
<span class="function">gtk_widget_show_all</span> <span class="gtkdoc opt">(</span>w<span class="gtkdoc opt">);</span>
<span class="function">gtk_main</span> <span class="gtkdoc opt">();</span>
<span class="keyword">return</span> <span class="number">0</span><span class="gtkdoc opt">;</span>
<span class="gtkdoc opt">}</span></pre></td>
</tr>
</tbody>
</table>
</div>
</div>
<br class="example-break"><p><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> allows great flexibility in customizing how the map tiles are
cached, see <a class="link" href="OsmGpsMap.html#OsmGpsMap--tile-cache-base" title="The “tile-cache-base” property"><span class="type">“tile-cache-base”</span></a> and <a class="link" href="OsmGpsMap.html#OsmGpsMap--tile-cache" title="The “tile-cache” property"><span class="type">“tile-cache”</span></a> for more
information.</p>
<p>A number of different map sources are supported, see <a class="link" href="OsmGpsMap.html#OsmGpsMapSource-t" title="enum OsmGpsMapSource_t"><span class="type">OsmGpsMapSource_t</span></a>. The
default source, <a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-SOURCE-OPENSTREETMAP:CAPS"><code class="literal">OSM_GPS_MAP_SOURCE_OPENSTREETMAP</code></a> always works. Other sources,
particular those from proprietary providers may work occasionally, and then
cease to work. To check if a source is supported for the given version of
this library, call <a class="link" href="OsmGpsMap.html#osm-gps-map-source-is-valid" title="osm_gps_map_source_is_valid ()"><code class="function">osm_gps_map_source_is_valid()</code></a>.</p>
<div class="example">
<a name="id-1.2.2.11.7"></a><p class="title"><b>Example 2. Map with custom source and cache dir</b></p>
<div class="example-contents">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
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<td class="listing_code"><pre class="programlisting"><span class="gtkdoc kwb">int</span> <span class="function">main</span> <span class="gtkdoc opt">(</span><span class="gtkdoc kwb">int</span> argc<span class="gtkdoc opt">,</span> <span class="gtkdoc kwb">char</span> <span class="gtkdoc opt">**</span>argv<span class="gtkdoc opt">)</span>
<span class="gtkdoc opt">{</span>
<span class="function">g_thread_init</span><span class="gtkdoc opt">(</span>NULL<span class="gtkdoc opt">);</span>
<span class="function">gtk_init</span> <span class="gtkdoc opt">(&</span>argc<span class="gtkdoc opt">, &</span>argv<span class="gtkdoc opt">);</span>
OsmGpsMapSource_t source <span class="gtkdoc opt">=</span> OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE<span class="gtkdoc opt">;</span>
<span class="keyword">if</span> <span class="gtkdoc opt">( !</span><span class="function"><a href="OsmGpsMap.html#osm-gps-map-source-is-valid">osm_gps_map_source_is_valid</a></span><span class="gtkdoc opt">(</span>source<span class="gtkdoc opt">) )</span>
<span class="keyword">return</span> <span class="number">1</span><span class="gtkdoc opt">;</span>
GtkWidget <span class="gtkdoc opt">*</span>map <span class="gtkdoc opt">=</span> <span class="function">g_object_new</span> <span class="gtkdoc opt">(</span>OSM_TYPE_GPS_MAP<span class="gtkdoc opt">,</span>
<span class="string">"map-source"</span><span class="gtkdoc opt">,</span> source<span class="gtkdoc opt">,</span>
<span class="string">"tile-cache"</span><span class="gtkdoc opt">,</span> <span class="string">"/tmp/"</span><span class="gtkdoc opt">,</span>
NULL<span class="gtkdoc opt">);</span>
GtkWidget <span class="gtkdoc opt">*</span>w <span class="gtkdoc opt">=</span> <span class="function">gtk_window_new</span> <span class="gtkdoc opt">(</span>GTK_WINDOW_TOPLEVEL<span class="gtkdoc opt">);</span>
<span class="function">gtk_container_add</span> <span class="gtkdoc opt">(</span><span class="function">GTK_CONTAINER</span><span class="gtkdoc opt">(</span>w<span class="gtkdoc opt">),</span> map<span class="gtkdoc opt">);</span>
<span class="function">gtk_widget_show_all</span> <span class="gtkdoc opt">(</span>w<span class="gtkdoc opt">);</span>
<span class="function">gtk_main</span> <span class="gtkdoc opt">();</span>
<span class="keyword">return</span> <span class="number">0</span><span class="gtkdoc opt">;</span>
<span class="gtkdoc opt">}</span></pre></td>
</tr>
</tbody>
</table>
</div>
</div>
<br class="example-break"><p>Finally, if you wish to use a custom map source not supported by <a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a>,
such as a custom map created with</p>
<a class="ulink" href="http://www.cloudmade.com" target="_top"><em class="citetitle">CloudMade</em></a><p>then you can also pass a specially formatted string to <a class="link" href="OsmGpsMap.html#OsmGpsMap--repo-uri" title="The “repo-uri” property"><span class="type">“repo-uri”</span></a>.</p>
<div class="example">
<a name="id-1.2.2.11.11"></a><p class="title"><b>Example 3. Map using custom CloudMade map and on screen display</b></p>
<div class="example-contents">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
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<td class="listing_code"><pre class="programlisting"><span class="gtkdoc kwb">int</span> <span class="function">main</span> <span class="gtkdoc opt">(</span><span class="gtkdoc kwb">int</span> argc<span class="gtkdoc opt">,</span> <span class="gtkdoc kwb">char</span> <span class="gtkdoc opt">**</span>argv<span class="gtkdoc opt">)</span>
<span class="gtkdoc opt">{</span>
<span class="function">g_thread_init</span><span class="gtkdoc opt">(</span>NULL<span class="gtkdoc opt">);</span>
<span class="function">gtk_init</span> <span class="gtkdoc opt">(&</span>argc<span class="gtkdoc opt">, &</span>argv<span class="gtkdoc opt">);</span>
<span class="gtkdoc kwb">const</span> gchar <span class="gtkdoc opt">*</span>cloudmate <span class="gtkdoc opt">=</span> <span class="string">"http://a.tile.cloudmade.com/YOUR_API_KEY/1/256/#Z/#X/#Y.png"</span><span class="gtkdoc opt">;</span>
GtkWidget <span class="gtkdoc opt">*</span>map <span class="gtkdoc opt">=</span> <span class="function">g_object_new</span> <span class="gtkdoc opt">(</span>OSM_TYPE_GPS_MAP<span class="gtkdoc opt">,</span>
<span class="string">"repo-uri"</span><span class="gtkdoc opt">,</span> cloudmate<span class="gtkdoc opt">,</span>
NULL<span class="gtkdoc opt">);</span>
OsmGpsMapOsd <span class="gtkdoc opt">*</span>osd <span class="gtkdoc opt">=</span> <span class="function"><a href="OsmGpsMapLayer.html#osm-gps-map-osd-new">osm_gps_map_osd_new</a></span> <span class="gtkdoc opt">();</span>
GtkWidget <span class="gtkdoc opt">*</span>w <span class="gtkdoc opt">=</span> <span class="function">gtk_window_new</span> <span class="gtkdoc opt">(</span>GTK_WINDOW_TOPLEVEL<span class="gtkdoc opt">);</span>
<span class="function"><a href="OsmGpsMap.html#osm-gps-map-layer-add">osm_gps_map_layer_add</a></span> <span class="gtkdoc opt">(</span><span class="function">OSM_GPS_MAP</span><span class="gtkdoc opt">(</span>map<span class="gtkdoc opt">),</span> <span class="function">OSM_GPS_MAP_LAYER</span><span class="gtkdoc opt">(</span>osd<span class="gtkdoc opt">));</span>
<span class="function">gtk_container_add</span> <span class="gtkdoc opt">(</span><span class="function">GTK_CONTAINER</span><span class="gtkdoc opt">(</span>w<span class="gtkdoc opt">),</span> map<span class="gtkdoc opt">);</span>
<span class="function">gtk_widget_show_all</span> <span class="gtkdoc opt">(</span>w<span class="gtkdoc opt">);</span>
<span class="function">gtk_main</span> <span class="gtkdoc opt">();</span>
<span class="keyword">return</span> <span class="number">0</span><span class="gtkdoc opt">;</span>
<span class="gtkdoc opt">}</span></pre></td>
</tr>
</tbody>
</table>
</div>
</div>
<br class="example-break">
</div>
<div class="refsect1">
<a name="OsmGpsMap.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="osm-gps-map-get-default-cache-directory"></a><h3>osm_gps_map_get_default_cache_directory ()</h3>
<pre class="programlisting"><span class="returnvalue">gchar</span> *
osm_gps_map_get_default_cache_directory
(<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<div class="refsect3">
<a name="osm-gps-map-get-default-cache-directory.returns"></a><h4>Returns</h4>
<p> the default cache directory for the library, that is the base
directory to which the full cache path is appended. If
<a class="link" href="OsmGpsMap.html#OsmGpsMap--tile-cache-base" title="The “tile-cache-base” property"><span class="type">“tile-cache-base”</span></a> is omitted from the constructor then this value
is used.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-source-get-friendly-name"></a><h3>osm_gps_map_source_get_friendly_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
osm_gps_map_source_get_friendly_name (<em class="parameter"><code><a class="link" href="OsmGpsMap.html#OsmGpsMapSource-t" title="enum OsmGpsMapSource_t"><span class="type">OsmGpsMapSource_t</span></a> source</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-source-get-repo-uri"></a><h3>osm_gps_map_source_get_repo_uri ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
osm_gps_map_source_get_repo_uri (<em class="parameter"><code><a class="link" href="OsmGpsMap.html#OsmGpsMapSource-t" title="enum OsmGpsMapSource_t"><span class="type">OsmGpsMapSource_t</span></a> source</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-source-get-image-format"></a><h3>osm_gps_map_source_get_image_format ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
osm_gps_map_source_get_image_format (<em class="parameter"><code><a class="link" href="OsmGpsMap.html#OsmGpsMapSource-t" title="enum OsmGpsMapSource_t"><span class="type">OsmGpsMapSource_t</span></a> source</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-source-get-min-zoom"></a><h3>osm_gps_map_source_get_min_zoom ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
osm_gps_map_source_get_min_zoom (<em class="parameter"><code><a class="link" href="OsmGpsMap.html#OsmGpsMapSource-t" title="enum OsmGpsMapSource_t"><span class="type">OsmGpsMapSource_t</span></a> source</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-source-get-max-zoom"></a><h3>osm_gps_map_source_get_max_zoom ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
osm_gps_map_source_get_max_zoom (<em class="parameter"><code><a class="link" href="OsmGpsMap.html#OsmGpsMapSource-t" title="enum OsmGpsMapSource_t"><span class="type">OsmGpsMapSource_t</span></a> source</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-source-is-valid"></a><h3>osm_gps_map_source_is_valid ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
osm_gps_map_source_is_valid (<em class="parameter"><code><a class="link" href="OsmGpsMap.html#OsmGpsMapSource-t" title="enum OsmGpsMapSource_t"><span class="type">OsmGpsMapSource_t</span></a> source</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-new"></a><h3>osm_gps_map_new ()</h3>
<pre class="programlisting"><span class="returnvalue">GtkWidget</span> *
osm_gps_map_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Returns a new <a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> object, defaults to showing data from</p>
<a class="ulink" href="http://www.openstreetmap.org" target="_top"><em class="citetitle">OpenStreetMap</em></a><p>See the properties description for more information about construction
parameters than could be passed to <code class="function">g_object_new()</code></p>
<div class="refsect3">
<a name="osm-gps-map-new.returns"></a><h4>Returns</h4>
<p> a newly created <a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> object.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-download-maps"></a><h3>osm_gps_map_download_maps ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_download_maps (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><a class="link" href="OsmGpsMapPoint.html" title="OsmGpsMapPoint"><span class="type">OsmGpsMapPoint</span></a> *pt1</code></em>,
<em class="parameter"><code><a class="link" href="OsmGpsMapPoint.html" title="OsmGpsMapPoint"><span class="type">OsmGpsMapPoint</span></a> *pt2</code></em>,
<em class="parameter"><code><span class="type">int</span> zoom_start</code></em>,
<em class="parameter"><code><span class="type">int</span> zoom_end</code></em>);</pre>
<p>Downloads all tiles over the supplied zoom range in the rectangular
region specified by pt1 (north west corner) to pt2 (south east corner)</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-download-cancel-all"></a><h3>osm_gps_map_download_cancel_all ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_download_cancel_all (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>);</pre>
<p>Cancels all tiles currently being downloaded. Typically used if you wish to
cacel a large number of tiles queued using <a class="link" href="OsmGpsMap.html#osm-gps-map-download-maps" title="osm_gps_map_download_maps ()"><code class="function">osm_gps_map_download_maps()</code></a></p>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-get-bbox"></a><h3>osm_gps_map_get_bbox ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_get_bbox (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><a class="link" href="OsmGpsMapPoint.html" title="OsmGpsMapPoint"><span class="type">OsmGpsMapPoint</span></a> *pt1</code></em>,
<em class="parameter"><code><a class="link" href="OsmGpsMapPoint.html" title="OsmGpsMapPoint"><span class="type">OsmGpsMapPoint</span></a> *pt2</code></em>);</pre>
<p>Returns the geographic locations of the bounding box describing the contents
of the current window, i.e the top left and bottom right corners.</p>
<div class="refsect3">
<a name="osm-gps-map-get-bbox.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pt1</p></td>
<td class="parameter_description"><p> point to be filled with the top left location. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>pt2</p></td>
<td class="parameter_description"><p> point to be filled with the bottom right location. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-set-center"></a><h3>osm_gps_map_set_center ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_set_center (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><span class="type">float</span> latitude</code></em>,
<em class="parameter"><code><span class="type">float</span> longitude</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-set-center-and-zoom"></a><h3>osm_gps_map_set_center_and_zoom ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_set_center_and_zoom (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><span class="type">float</span> latitude</code></em>,
<em class="parameter"><code><span class="type">float</span> longitude</code></em>,
<em class="parameter"><code><span class="type">int</span> zoom</code></em>);</pre>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-set-zoom"></a><h3>osm_gps_map_set_zoom ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
osm_gps_map_set_zoom (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><span class="type">int</span> zoom</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-zoom-in"></a><h3>osm_gps_map_zoom_in ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
osm_gps_map_zoom_in (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-zoom-out"></a><h3>osm_gps_map_zoom_out ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
osm_gps_map_zoom_out (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-scroll"></a><h3>osm_gps_map_scroll ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_scroll (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><span class="type">gint</span> dx</code></em>,
<em class="parameter"><code><span class="type">gint</span> dy</code></em>);</pre>
<p>Scrolls the map by <em class="parameter"><code>dx</code></em>
, <em class="parameter"><code>dy</code></em>
pixels (positive north, east)</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-get-scale"></a><h3>osm_gps_map_get_scale ()</h3>
<pre class="programlisting"><span class="returnvalue">float</span>
osm_gps_map_get_scale (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>);</pre>
<div class="refsect3">
<a name="osm-gps-map-get-scale.returns"></a><h4>Returns</h4>
<p> the scale of the map at the center, in meters/pixel.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-set-keyboard-shortcut"></a><h3>osm_gps_map_set_keyboard_shortcut ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_set_keyboard_shortcut (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><a class="link" href="OsmGpsMap.html#OsmGpsMapKey-t" title="enum OsmGpsMapKey_t"><span class="type">OsmGpsMapKey_t</span></a> key</code></em>,
<em class="parameter"><code><span class="type">guint</span> keyval</code></em>);</pre>
<p>Associates a keyboard shortcut with the supplied <em class="parameter"><code>keyval</code></em>
(as returned by <span class="type">gdk_keyval_from_name</span> or simiar). The action given in <em class="parameter"><code>key</code></em>
will be triggered when the corresponding <em class="parameter"><code>keyval</code></em>
is pressed. By default
no keyboard shortcuts are associated.</p>
<div class="refsect3">
<a name="osm-gps-map-set-keyboard-shortcut.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>key</p></td>
<td class="parameter_description"><p>a <a class="link" href="OsmGpsMap.html#OsmGpsMapKey-t" title="enum OsmGpsMapKey_t"><span class="type">OsmGpsMapKey_t</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-get-event-location"></a><h3>osm_gps_map_get_event_location ()</h3>
<pre class="programlisting"><a class="link" href="OsmGpsMapPoint.html" title="OsmGpsMapPoint"><span class="returnvalue">OsmGpsMapPoint</span></a> *
osm_gps_map_get_event_location (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><span class="type">GdkEventButton</span> *event</code></em>);</pre>
<p>A convenience function for getting the geographic location of events,
such as mouse clicks, on the map</p>
<div class="refsect3">
<a name="osm-gps-map-get-event-location.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>event</p></td>
<td class="parameter_description"><p>A <span class="type">GtkEventButton</span> that occured on the map</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="osm-gps-map-get-event-location.returns"></a><h4>Returns</h4>
<p> The point on the globe corresponding to the click. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-convert-geographic-to-screen"></a><h3>osm_gps_map_convert_geographic_to_screen ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_convert_geographic_to_screen
(<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><a class="link" href="OsmGpsMapPoint.html" title="OsmGpsMapPoint"><span class="type">OsmGpsMapPoint</span></a> *pt</code></em>,
<em class="parameter"><code><span class="type">gint</span> *pixel_x</code></em>,
<em class="parameter"><code><span class="type">gint</span> *pixel_y</code></em>);</pre>
<p>Convert the given location on the globe to the corresponding
pixel locations on the map.</p>
<div class="refsect3">
<a name="osm-gps-map-convert-geographic-to-screen.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pt</p></td>
<td class="parameter_description"><p>location</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pixel_x</p></td>
<td class="parameter_description"><p> pixel location on map, x axis. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>pixel_y</p></td>
<td class="parameter_description"><p> pixel location on map, y axis. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-convert-screen-to-geographic"></a><h3>osm_gps_map_convert_screen_to_geographic ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_convert_screen_to_geographic
(<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><span class="type">gint</span> pixel_x</code></em>,
<em class="parameter"><code><span class="type">gint</span> pixel_y</code></em>,
<em class="parameter"><code><a class="link" href="OsmGpsMapPoint.html" title="OsmGpsMapPoint"><span class="type">OsmGpsMapPoint</span></a> *pt</code></em>);</pre>
<p>Convert the given pixel location on the map into corresponding
location on the globe</p>
<div class="refsect3">
<a name="osm-gps-map-convert-screen-to-geographic.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pixel_x</p></td>
<td class="parameter_description"><p>pixel location on map, x axis</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pixel_y</p></td>
<td class="parameter_description"><p>pixel location on map, y axis</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pt</p></td>
<td class="parameter_description"><p> location. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-gps-add"></a><h3>osm_gps_map_gps_add ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_gps_add (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><span class="type">float</span> latitude</code></em>,
<em class="parameter"><code><span class="type">float</span> longitude</code></em>,
<em class="parameter"><code><span class="type">float</span> heading</code></em>);</pre>
<div class="refsect3">
<a name="osm-gps-map-gps-add.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>latitude</p></td>
<td class="parameter_description"><p>degrees</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>longitude</p></td>
<td class="parameter_description"><p>degrees</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>heading</p></td>
<td class="parameter_description"><p>degrees or <a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-INVALID:CAPS" title="OSM_GPS_MAP_INVALID"><span class="type">OSM_GPS_MAP_INVALID</span></a> to disable showing heading</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-gps-clear"></a><h3>osm_gps_map_gps_clear ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_gps_clear (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>);</pre>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-gps-get-track"></a><h3>osm_gps_map_gps_get_track ()</h3>
<pre class="programlisting"><a class="link" href="OsmGpsMapTrack.html" title="OsmGpsMapTrack"><span class="returnvalue">OsmGpsMapTrack</span></a> *
osm_gps_map_gps_get_track (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>);</pre>
<div class="refsect3">
<a name="osm-gps-map-gps-get-track.returns"></a><h4>Returns</h4>
<p> The <a class="link" href="OsmGpsMapTrack.html" title="OsmGpsMapTrack"><span class="type">OsmGpsMapTrack</span></a> of the internal GPS track,
i.e. that which is modified when calling <a class="link" href="OsmGpsMap.html#osm-gps-map-gps-add" title="osm_gps_map_gps_add ()"><code class="function">osm_gps_map_gps_add()</code></a>. You must
not free this. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-track-add"></a><h3>osm_gps_map_track_add ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_track_add (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><a class="link" href="OsmGpsMapTrack.html" title="OsmGpsMapTrack"><span class="type">OsmGpsMapTrack</span></a> *track</code></em>);</pre>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-track-remove"></a><h3>osm_gps_map_track_remove ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
osm_gps_map_track_remove (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><a class="link" href="OsmGpsMapTrack.html" title="OsmGpsMapTrack"><span class="type">OsmGpsMapTrack</span></a> *track</code></em>);</pre>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-track-remove-all"></a><h3>osm_gps_map_track_remove_all ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_track_remove_all (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>);</pre>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-image-add"></a><h3>osm_gps_map_image_add ()</h3>
<pre class="programlisting"><a class="link" href="OsmGpsMapImage.html" title="OsmGpsMapImage"><span class="returnvalue">OsmGpsMapImage</span></a> *
osm_gps_map_image_add (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><span class="type">float</span> latitude</code></em>,
<em class="parameter"><code><span class="type">float</span> longitude</code></em>,
<em class="parameter"><code><span class="type">GdkPixbuf</span> *image</code></em>);</pre>
<div class="refsect3">
<a name="osm-gps-map-image-add.returns"></a><h4>Returns</h4>
<p> A <a class="link" href="OsmGpsMapImage.html" title="OsmGpsMapImage"><span class="type">OsmGpsMapImage</span></a> representing the added pixbuf. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-image-add-with-alignment"></a><h3>osm_gps_map_image_add_with_alignment ()</h3>
<pre class="programlisting"><a class="link" href="OsmGpsMapImage.html" title="OsmGpsMapImage"><span class="returnvalue">OsmGpsMapImage</span></a> *
osm_gps_map_image_add_with_alignment (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><span class="type">float</span> latitude</code></em>,
<em class="parameter"><code><span class="type">float</span> longitude</code></em>,
<em class="parameter"><code><span class="type">GdkPixbuf</span> *image</code></em>,
<em class="parameter"><code><span class="type">float</span> xalign</code></em>,
<em class="parameter"><code><span class="type">float</span> yalign</code></em>);</pre>
<div class="refsect3">
<a name="osm-gps-map-image-add-with-alignment.returns"></a><h4>Returns</h4>
<p> A <a class="link" href="OsmGpsMapImage.html" title="OsmGpsMapImage"><span class="type">OsmGpsMapImage</span></a> representing the added pixbuf. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-image-remove"></a><h3>osm_gps_map_image_remove ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
osm_gps_map_image_remove (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><a class="link" href="OsmGpsMapImage.html" title="OsmGpsMapImage"><span class="type">OsmGpsMapImage</span></a> *image</code></em>);</pre>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-image-remove-all"></a><h3>osm_gps_map_image_remove_all ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_image_remove_all (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>);</pre>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-layer-add"></a><h3>osm_gps_map_layer_add ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_layer_add (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><a class="link" href="OsmGpsMapLayer.html" title="OsmGpsMapLayer"><span class="type">OsmGpsMapLayer</span></a> *layer</code></em>);</pre>
<div class="refsect3">
<a name="osm-gps-map-layer-add.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>layer</p></td>
<td class="parameter_description"><p>a <a class="link" href="OsmGpsMapLayer.html" title="OsmGpsMapLayer"><span class="type">OsmGpsMapLayer</span></a> object</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-layer-remove"></a><h3>osm_gps_map_layer_remove ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
osm_gps_map_layer_remove (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>,
<em class="parameter"><code><a class="link" href="OsmGpsMapLayer.html" title="OsmGpsMapLayer"><span class="type">OsmGpsMapLayer</span></a> *layer</code></em>);</pre>
<div class="refsect3">
<a name="osm-gps-map-layer-remove.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>layer</p></td>
<td class="parameter_description"><p>a <a class="link" href="OsmGpsMapLayer.html" title="OsmGpsMapLayer"><span class="type">OsmGpsMapLayer</span></a> object</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: 0.7.0</p>
</div>
<hr>
<div class="refsect2">
<a name="osm-gps-map-layer-remove-all"></a><h3>osm_gps_map_layer_remove_all ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
osm_gps_map_layer_remove_all (<em class="parameter"><code><a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *map</code></em>);</pre>
<p class="since">Since: 0.7.0</p>
</div>
</div>
<div class="refsect1">
<a name="OsmGpsMap.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="OsmGpsMap-struct"></a><h3>struct OsmGpsMap</h3>
<pre class="programlisting">struct OsmGpsMap;</pre>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMapClass"></a><h3>struct OsmGpsMapClass</h3>
<pre class="programlisting">struct OsmGpsMapClass {
GtkDrawingAreaClass parent_class;
void (*draw_gps_point) (OsmGpsMap *map, cairo_t *cr);
};
</pre>
</div>
<hr>
<div class="refsect2">
<a name="OSM-GPS-MAP-INVALID:CAPS"></a><h3>OSM_GPS_MAP_INVALID</h3>
<pre class="programlisting">#define OSM_GPS_MAP_INVALID (0.0/0.0)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="OSM-GPS-MAP-CACHE-DISABLED:CAPS"></a><h3>OSM_GPS_MAP_CACHE_DISABLED</h3>
<pre class="programlisting">#define OSM_GPS_MAP_CACHE_DISABLED "none://"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="OSM-GPS-MAP-CACHE-AUTO:CAPS"></a><h3>OSM_GPS_MAP_CACHE_AUTO</h3>
<pre class="programlisting">#define OSM_GPS_MAP_CACHE_AUTO "auto://"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="OSM-GPS-MAP-CACHE-FRIENDLY:CAPS"></a><h3>OSM_GPS_MAP_CACHE_FRIENDLY</h3>
<pre class="programlisting">#define OSM_GPS_MAP_CACHE_FRIENDLY "friendly://"
</pre>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMapSource-t"></a><h3>enum OsmGpsMapSource_t</h3>
<div class="refsect3">
<a name="OsmGpsMapSource-t.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-NULL:CAPS"></a>OSM_GPS_MAP_SOURCE_NULL</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-OPENSTREETMAP:CAPS"></a>OSM_GPS_MAP_SOURCE_OPENSTREETMAP</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-OPENSTREETMAP-RENDERER:CAPS"></a>OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-OPENAERIALMAP:CAPS"></a>OSM_GPS_MAP_SOURCE_OPENAERIALMAP</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-MAPS-FOR-FREE:CAPS"></a>OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-OPENCYCLEMAP:CAPS"></a>OSM_GPS_MAP_SOURCE_OPENCYCLEMAP</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-OSM-PUBLIC-TRANSPORT:CAPS"></a>OSM_GPS_MAP_SOURCE_OSM_PUBLIC_TRANSPORT</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-GOOGLE-STREET:CAPS"></a>OSM_GPS_MAP_SOURCE_GOOGLE_STREET</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-GOOGLE-SATELLITE:CAPS"></a>OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-GOOGLE-HYBRID:CAPS"></a>OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-VIRTUAL-EARTH-STREET:CAPS"></a>OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-VIRTUAL-EARTH-SATELLITE:CAPS"></a>OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-VIRTUAL-EARTH-HYBRID:CAPS"></a>OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-OSMC-TRAILS:CAPS"></a>OSM_GPS_MAP_SOURCE_OSMC_TRAILS</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-SOURCE-LAST:CAPS"></a>OSM_GPS_MAP_SOURCE_LAST</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMapKey-t"></a><h3>enum OsmGpsMapKey_t</h3>
<div class="refsect3">
<a name="OsmGpsMapKey-t.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-KEY-FULLSCREEN:CAPS"></a>OSM_GPS_MAP_KEY_FULLSCREEN</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-KEY-ZOOMIN:CAPS"></a>OSM_GPS_MAP_KEY_ZOOMIN</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-KEY-ZOOMOUT:CAPS"></a>OSM_GPS_MAP_KEY_ZOOMOUT</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-KEY-UP:CAPS"></a>OSM_GPS_MAP_KEY_UP</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-KEY-DOWN:CAPS"></a>OSM_GPS_MAP_KEY_DOWN</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-KEY-LEFT:CAPS"></a>OSM_GPS_MAP_KEY_LEFT</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-KEY-RIGHT:CAPS"></a>OSM_GPS_MAP_KEY_RIGHT</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="OSM-GPS-MAP-KEY-MAX:CAPS"></a>OSM_GPS_MAP_KEY_MAX</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="OsmGpsMap.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="OsmGpsMap--auto-center"></a><h3>The <code class="literal">“auto-center”</code> property</h3>
<pre class="programlisting"> “auto-center” <span class="type">gboolean</span></pre>
<p>map auto center.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--auto-center-threshold"></a><h3>The <code class="literal">“auto-center-threshold”</code> property</h3>
<pre class="programlisting"> “auto-center-threshold” <span class="type">gfloat</span></pre>
<p>the amount of the window the gps point must move before auto centering.</p>
<p>Flags: Read / Write / Construct</p>
<p>Allowed values: [0,1]</p>
<p>Default value: 0.25</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--auto-download"></a><h3>The <code class="literal">“auto-download”</code> property</h3>
<pre class="programlisting"> “auto-download” <span class="type">gboolean</span></pre>
<p>map auto download.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--drag-limit"></a><h3>The <code class="literal">“drag-limit”</code> property</h3>
<pre class="programlisting"> “drag-limit” <span class="type">gint</span></pre>
<p>The number of pixels the user has to move the pointer in order to start dragging.</p>
<p>Flags: Read / Write / Construct Only</p>
<p>Allowed values: >= 0</p>
<p>Default value: 10</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--gps-track-highlight-radius"></a><h3>The <code class="literal">“gps-track-highlight-radius”</code> property</h3>
<pre class="programlisting"> “gps-track-highlight-radius” <span class="type">gint</span></pre>
<p>The radius of the gps point highlight circle.</p>
<p>Flags: Read / Write / Construct</p>
<p>Allowed values: >= 0</p>
<p>Default value: 20</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--gps-track-point-radius"></a><h3>The <code class="literal">“gps-track-point-radius”</code> property</h3>
<pre class="programlisting"> “gps-track-point-radius” <span class="type">gint</span></pre>
<p>The radius of the gps point inner circle.</p>
<p>Flags: Read / Write / Construct</p>
<p>Allowed values: >= 0</p>
<p>Default value: 5</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--gps-track-width"></a><h3>The <code class="literal">“gps-track-width”</code> property</h3>
<pre class="programlisting"> “gps-track-width” <span class="type">gfloat</span></pre>
<p>The width of the lines drawn for the gps track.</p>
<p>Flags: Read / Write / Construct</p>
<p>Allowed values: [1,100]</p>
<p>Default value: 4</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--image-format"></a><h3>The <code class="literal">“image-format”</code> property</h3>
<pre class="programlisting"> “image-format” <span class="type">gchar</span> *</pre>
<p>The map source tile repository image format (jpg, png).</p>
<p>Flags: Read / Write / Construct Only</p>
<p>Default value: "png"</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--latitude"></a><h3>The <code class="literal">“latitude”</code> property</h3>
<pre class="programlisting"> “latitude” <span class="type">gfloat</span></pre>
<p>Latitude in degrees.</p>
<p>Flags: Read</p>
<p>Allowed values: [-90,90]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--longitude"></a><h3>The <code class="literal">“longitude”</code> property</h3>
<pre class="programlisting"> “longitude” <span class="type">gfloat</span></pre>
<p>Longitude in degrees.</p>
<p>Flags: Read</p>
<p>Allowed values: [-180,180]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--map-source"></a><h3>The <code class="literal">“map-source”</code> property</h3>
<pre class="programlisting"> “map-source” <span class="type">gint</span></pre>
<p>A <a class="link" href="OsmGpsMap.html#OsmGpsMapSource-t" title="enum OsmGpsMapSource_t"><span class="type">OsmGpsMapSource_t</span></a> representing the tile repository to use</p>
<div class="note"><p>
If you do not wish to use the default map tiles (provided by OpenStreeMap)
it is recommened that you set this property at construction, instead
of setting <a class="link" href="OsmGpsMap.html#OsmGpsMap--repo-uri" title="The “repo-uri” property"><span class="type">“repo-uri”</span></a>.
</p></div>
<p>Flags: Read / Write / Construct</p>
<p>Allowed values: >= -1</p>
<p>Default value: -1</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--map-x"></a><h3>The <code class="literal">“map-x”</code> property</h3>
<pre class="programlisting"> “map-x” <span class="type">gint</span></pre>
<p>Initial map x location.</p>
<p>Flags: Read / Write / Construct Only</p>
<p>Default value: 890</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--map-y"></a><h3>The <code class="literal">“map-y”</code> property</h3>
<pre class="programlisting"> “map-y” <span class="type">gint</span></pre>
<p>Initial map y location.</p>
<p>Flags: Read / Write / Construct Only</p>
<p>Default value: 515</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--max-zoom"></a><h3>The <code class="literal">“max-zoom”</code> property</h3>
<pre class="programlisting"> “max-zoom” <span class="type">gint</span></pre>
<p>Maximum zoom level.</p>
<p>Flags: Read / Write / Construct Only</p>
<p>Allowed values: [0,20]</p>
<p>Default value: 18</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--min-zoom"></a><h3>The <code class="literal">“min-zoom”</code> property</h3>
<pre class="programlisting"> “min-zoom” <span class="type">gint</span></pre>
<p>Minimum zoom level.</p>
<p>Flags: Read / Write / Construct Only</p>
<p>Allowed values: [0,20]</p>
<p>Default value: 1</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--proxy-uri"></a><h3>The <code class="literal">“proxy-uri”</code> property</h3>
<pre class="programlisting"> “proxy-uri” <span class="type">gchar</span> *</pre>
<p>HTTP proxy uri or NULL.</p>
<p>Flags: Read / Write / Construct Only</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--record-trip-history"></a><h3>The <code class="literal">“record-trip-history”</code> property</h3>
<pre class="programlisting"> “record-trip-history” <span class="type">gboolean</span></pre>
<p>should all gps points be recorded in a trip history.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--repo-uri"></a><h3>The <code class="literal">“repo-uri”</code> property</h3>
<pre class="programlisting"> “repo-uri” <span class="type">gchar</span> *</pre>
<p>A URI string which defines the location and format to fetch tiles
for the map. The string is of the format
"http://tile.openstreetmap.org/#Z/#X/#Y.png". Characters
that begin with # are treated as tokens and replaced according to
the following rules;</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem"><p>
#X - X-tile, slippy map format
</p></li>
<li class="listitem"><p>
#Y - Y-tile, slippy map format, mercator projection
</p></li>
<li class="listitem"><p>
#Z - Zoom level, where min_zoom >= zoom <= max_zoom
</p></li>
<li class="listitem"><p>
#S - Zoom level, where -max_zoom >= (zoom-max_zoom) <= min_zoom
</p></li>
<li class="listitem"><p>
#Q - Quad tree format, set of "qrts"
</p></li>
<li class="listitem"><p>
#Q0 - Quad tree format, set of "0123"
</p></li>
<li class="listitem"><p>
#YS - Not Implemented
</p></li>
<li class="listitem"><p>
#R - Random integer in range [0,4]
</p></li>
</ul></div>
<div class="note"><p>
If you do not wish to use the default map tiles (provided by OpenStreeMap)
it is recommened that you use one of the predefined map sources, and thus
you should construct the map by setting <a class="link" href="OsmGpsMap.html#OsmGpsMap--map-source" title="The “map-source” property"><span class="type">“map-source”</span></a> and not
<a class="link" href="OsmGpsMap.html#OsmGpsMap--repo-uri" title="The “repo-uri” property"><span class="type">“repo-uri”</span></a>. The <a class="link" href="OsmGpsMap.html#OsmGpsMap--repo-uri" title="The “repo-uri” property"><span class="type">“repo-uri”</span></a> property is primarily
designed for applications that wish complete control of tile repository
management, or wish to use <a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> with a tile repository it does not
explicitly support.
</p></div>
<p>Flags: Read / Write / Construct Only</p>
<p>Default value: "http://tile.openstreetmap.org/#Z/#X/#Y.png"</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--show-gps-point"></a><h3>The <code class="literal">“show-gps-point”</code> property</h3>
<pre class="programlisting"> “show-gps-point” <span class="type">gboolean</span></pre>
<p>Controls whether the current gps point is shown on the map. Note that
for derived classes that implement the draw_gps_point vfunc, if this
property is <code class="literal">FALSE</code></p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--show-trip-history"></a><h3>The <code class="literal">“show-trip-history”</code> property</h3>
<pre class="programlisting"> “show-trip-history” <span class="type">gboolean</span></pre>
<p>should the recorded trip history be shown on the map.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--tile-cache"></a><h3>The <code class="literal">“tile-cache”</code> property</h3>
<pre class="programlisting"> “tile-cache” <span class="type">gchar</span> *</pre>
<p>Either a full path or one of the special format URIs
<a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-CACHE-DISABLED:CAPS" title="OSM_GPS_MAP_CACHE_DISABLED"><span class="type">OSM_GPS_MAP_CACHE_DISABLED</span></a>, <a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-CACHE-AUTO:CAPS" title="OSM_GPS_MAP_CACHE_AUTO"><span class="type">OSM_GPS_MAP_CACHE_AUTO</span></a>,
<a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-CACHE-FRIENDLY:CAPS" title="OSM_GPS_MAP_CACHE_FRIENDLY"><span class="type">OSM_GPS_MAP_CACHE_FRIENDLY</span></a>. Also see <a class="link" href="OsmGpsMap.html#OsmGpsMap--tile-cache-base" title="The “tile-cache-base” property"><span class="type">“tile-cache-base”</span></a> for a
full understanding.</p>
<p><a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-CACHE-DISABLED:CAPS" title="OSM_GPS_MAP_CACHE_DISABLED"><span class="type">OSM_GPS_MAP_CACHE_DISABLED</span></a> disables the on disk tile cache (so all tiles
are fetched from the network. <a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-CACHE-AUTO:CAPS" title="OSM_GPS_MAP_CACHE_AUTO"><span class="type">OSM_GPS_MAP_CACHE_AUTO</span></a> causes the tile
cache to be /tile-cache-base/md5(repo-uri), where md5 is the md5sum
of <a class="link" href="OsmGpsMap.html#OsmGpsMap--repo-uri" title="The “repo-uri” property"><span class="type">“repo-uri”</span></a>. <a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-CACHE-FRIENDLY:CAPS" title="OSM_GPS_MAP_CACHE_FRIENDLY"><span class="type">OSM_GPS_MAP_CACHE_FRIENDLY</span></a>
causes the tile cache to be /tile-cache-base/friendlyname(repo-uri).</p>
<p>Any other string is interpreted as a local path, i.e. /path/to/cache</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: "auto://"</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--tile-cache-base"></a><h3>The <code class="literal">“tile-cache-base”</code> property</h3>
<pre class="programlisting"> “tile-cache-base” <span class="type">gchar</span> *</pre>
<p>The base directory of the tile cache when you have constructed
the map with <a class="link" href="OsmGpsMap.html#OsmGpsMap--tile-cache" title="The “tile-cache” property"><span class="type">“tile-cache”</span></a> set to <a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-CACHE-AUTO:CAPS" title="OSM_GPS_MAP_CACHE_AUTO"><span class="type">OSM_GPS_MAP_CACHE_AUTO</span></a> or
<a class="link" href="OsmGpsMap.html#OSM-GPS-MAP-CACHE-FRIENDLY:CAPS" title="OSM_GPS_MAP_CACHE_FRIENDLY"><span class="type">OSM_GPS_MAP_CACHE_FRIENDLY</span></a></p>
<p>The string is interpreted as a local path, i.e. /path/to/cache. If NULL
is supplied, map tiles are cached starting in the users cache directory,
(as outlined in the</p>
<a class="ulink" href="http://www.freedesktop.org/wiki/Specifications/basedir-spec" target="_top">
<em class="citetitle">XDG Base Directory Specification</em></a>). To get the
<p>base directory where map tiles will be cached call
<a class="link" href="OsmGpsMap.html#osm-gps-map-get-default-cache-directory" title="osm_gps_map_get_default_cache_directory ()"><code class="function">osm_gps_map_get_default_cache_directory()</code></a></p>
<p>Flags: Read / Write / Construct Only</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--tile-zoom-offset"></a><h3>The <code class="literal">“tile-zoom-offset”</code> property</h3>
<pre class="programlisting"> “tile-zoom-offset” <span class="type">gint</span></pre>
<p>Number of zoom-levels to upsample tiles.</p>
<p>Flags: Read / Write / Construct Only</p>
<p>Allowed values: [0,10]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--tiles-queued"></a><h3>The <code class="literal">“tiles-queued”</code> property</h3>
<pre class="programlisting"> “tiles-queued” <span class="type">gint</span></pre>
<p>The number of tiles currently waiting to download. Connect to
::notify::tiles-queued if you want to be informed when this changes</p>
<p>Flags: Read</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="OsmGpsMap--zoom"></a><h3>The <code class="literal">“zoom”</code> property</h3>
<pre class="programlisting"> “zoom” <span class="type">gint</span></pre>
<p>The map zoom level. Connect to ::notify::zoom if you want to be informed
when this changes.</p>
<p>Flags: Read / Write / Construct Only</p>
<p>Allowed values: [0,20]</p>
<p>Default value: 3</p>
</div>
</div>
<div class="refsect1">
<a name="OsmGpsMap.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="OsmGpsMap-changed"></a><h3>The <code class="literal">“changed”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="OsmGpsMap.html" title="OsmGpsMap"><span class="type">OsmGpsMap</span></a> *arg0,
<span class="type">gpointer</span> user_data)</pre>
<p>The <a class="link" href="OsmGpsMap.html#OsmGpsMap-changed" title="The “changed” signal"><span class="type">“changed”</span></a> signal is emitted any time the map zoom or map center
is chaged (such as by dragging or zooming).</p>
<div class="note"><p>
If you are only interested in the map zoom, then you can simply connect
to ::notify::zoom
</p></div>
<div class="refsect3">
<a name="OsmGpsMap-changed.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p>Flags: Run First</p>
</div>
</div>
</div>
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