[libshumate] demos: Add markers and paths to demo

[Marcus Lundblad <mlundblad src gnome org>]

commit 164b3701dce560736d2c901bfa5bd314c45cc621
Author: James Westman <james jwestman net>
Date:   Sat Feb 27 16:30:19 2021 -0600

    demos: Add markers and paths to demo

 demos/map-marker-symbolic.svg               | 74 +++++++++++++++++++++++++++++
 demos/org.gnome.Shumate.Demo.gresources.xml |  3 ++
 demos/shumate-demo-window.c                 | 26 ++++++++++
 3 files changed, 103 insertions(+)
---
diff --git a/demos/map-marker-symbolic.svg b/demos/map-marker-symbolic.svg
new file mode 100644
index 0000000..4d5a6b1
--- /dev/null
+++ b/demos/map-marker-symbolic.svg
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb";
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   width="16"
+   viewBox="0 0 16 16"
+   version="1.1"
+   id="svg7384"
+   height="16">
+  <metadata
+     id="metadata90">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title>Gnome Symbolic Icon Theme</dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <title
+     id="title9167">Gnome Symbolic Icon Theme</title>
+  <defs
+     id="defs7386">
+    <linearGradient
+       osb:paint="solid"
+       id="linearGradient7212">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop7214" />
+    </linearGradient>
+  </defs>
+  <g
+     transform="translate(-380.00852,79.9875)"
+     style="display:inline"
+     id="layer1" />
+  <g
+     transform="translate(-621.00872,446.9875)"
+     style="display:inline"
+     id="layer9" />
+  <g
+     transform="translate(-621.00872,446.9875)"
+     style="display:inline"
+     id="g7628" />
+  <g
+     transform="translate(-380.00852,-120.0125)"
+     id="layer13">
+    <path
+       d="m 388.00867,121.00914 c -2.76142,0 -5,2.23858 -5,5 0,0.17259 0.0142,0.33191 0.0312,0.5 
0.0137,0.16725 0.0358,0.33617 0.0625,0.5 0.57248,3.51444 2.9063,6.00336 4.9063,8.00336 2,-2 4.33372,-4.48892 
4.9062,-8.00336 0.0267,-0.16383 0.0488,-0.33275 0.0625,-0.5 0.0171,-0.16809 0.0312,-0.32741 0.0312,-0.5 
0,-2.76142 -2.23858,-5 -5,-5 z m 0,3 c 1.10457,0 2,0.89543 2,2 0,1.10457 -0.89543,2 -2,2 -1.10457,0 
-2,-0.89543 -2,-2 0,-1.10457 0.89543,-2 2,-2 z"
+       id="path5874-9"
+       
style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#2e3436;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:new"
 />
+  </g>
+  <g
+     transform="translate(-380.00852,79.9875)"
+     style="display:inline"
+     id="g6387" />
+  <g
+     transform="translate(-380.00852,79.9875)"
+     style="display:inline"
+     id="layer10" />
+  <g
+     transform="translate(-380.00852,79.9875)"
+     id="layer12" />
+  <g
+     transform="translate(-380.00852,79.9875)"
+     style="display:inline"
+     id="layer11" />
+</svg>
diff --git a/demos/org.gnome.Shumate.Demo.gresources.xml b/demos/org.gnome.Shumate.Demo.gresources.xml
index e27b991..6446607 100644
--- a/demos/org.gnome.Shumate.Demo.gresources.xml
+++ b/demos/org.gnome.Shumate.Demo.gresources.xml
@@ -3,4 +3,7 @@
   <gresource prefix="/org/gnome/Shumate/Demo/ui">
     <file preprocess="xml-stripblanks">shumate-demo-window.ui</file>
   </gresource>
+  <gresource prefix="/org/gnome/Shumate/Demo/icons">
+    <file preprocess="xml-stripblanks">map-marker-symbolic.svg</file>
+  </gresource>
 </gresources>
diff --git a/demos/shumate-demo-window.c b/demos/shumate-demo-window.c
index c30351d..640e965 100644
--- a/demos/shumate-demo-window.c
+++ b/demos/shumate-demo-window.c
@@ -25,6 +25,9 @@ struct _ShumateDemoWindow
   ShumateView *view;
   GtkOverlay *overlay;
   ShumateLicense *license;
+
+  ShumateMarkerLayer *marker_layer;
+  ShumatePathLayer *path_layer;
 };
 
 G_DEFINE_TYPE (ShumateDemoWindow, shumate_demo_window, GTK_TYPE_APPLICATION_WINDOW)
@@ -39,6 +42,20 @@ shumate_demo_window_new (GtkApplication *app)
 }
 
 
+static void
+create_marker (ShumateDemoWindow *self, double lat, double lng)
+{
+  GtkWidget *image = gtk_image_new_from_icon_name ("map-marker-symbolic");
+  ShumateMarker *marker = shumate_marker_new ();
+
+  shumate_location_set_location (SHUMATE_LOCATION (marker), lat, lng);
+  shumate_marker_set_child (marker, image);
+
+  shumate_marker_layer_add_marker (self->marker_layer, marker);
+  shumate_path_layer_add_node (self->path_layer, SHUMATE_LOCATION (marker));
+}
+
+
 static void
 shumate_demo_window_class_init (ShumateDemoWindowClass *klass)
 {
@@ -80,4 +97,13 @@ shumate_demo_window_init (ShumateDemoWindow *self)
                 "valign", GTK_ALIGN_END,
                 NULL);
   gtk_overlay_add_overlay (self->overlay, GTK_WIDGET (scale));
+
+  self->marker_layer = shumate_marker_layer_new (viewport);
+  shumate_view_add_layer (self->view, SHUMATE_LAYER (self->marker_layer));
+  self->path_layer = shumate_path_layer_new (viewport);
+  shumate_view_add_layer (self->view, SHUMATE_LAYER (self->path_layer));
+
+  create_marker (self, 35.426667, -116.89);
+  create_marker (self, 40.431389, -4.248056);
+  create_marker (self, -35.401389, 148.981667);
 }