[tracker/wip/carlosg/doc-improvements: 1/5] docs: Update images

[Carlos Garnacho <carlosg src gnome org>]

commit bd8f0d937bd63a6f0a2f1b1836605227ce7b40e8
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Sep 15 20:59:06 2021 +0200

    docs: Update images
    
    Move from Dia to Graphviz's dot tool to generate these graphs.
    This brings nicer colors, and this new concept called antialiasing (:.

 .../libtracker-sparql/images/triple-graph-1.dia     | Bin 1189 -> 0 bytes
 .../libtracker-sparql/images/triple-graph-1.dot     |   9 +++++++++
 .../libtracker-sparql/images/triple-graph-1.png     | Bin 3140 -> 7440 bytes
 .../libtracker-sparql/images/triple-graph-2.dia     | Bin 2774 -> 0 bytes
 .../libtracker-sparql/images/triple-graph-2.dot     |  20 ++++++++++++++++++++
 .../libtracker-sparql/images/triple-graph-2.png     | Bin 26803 -> 63782 bytes
 .../libtracker-sparql/images/triple-graph-3.dia     | Bin 1707 -> 0 bytes
 .../libtracker-sparql/images/triple-graph-3.dot     |  13 +++++++++++++
 .../libtracker-sparql/images/triple-graph-3.png     | Bin 8628 -> 24991 bytes
 9 files changed, 42 insertions(+)
---
diff --git a/docs/reference/libtracker-sparql/images/triple-graph-1.dot 
b/docs/reference/libtracker-sparql/images/triple-graph-1.dot
new file mode 100644
index 000000000..319417d5c
--- /dev/null
+++ b/docs/reference/libtracker-sparql/images/triple-graph-1.dot
@@ -0,0 +1,9 @@
+digraph G {
+  rankdir=LR;
+  graph [bgcolor="#00000000"];
+  node [fontname="Cantarell", style="filled", shape="ellipse", color="#000000", fillcolor="#d8e5e5"]; 
Subject;
+  node [shape="rectangle", color="#000000", fillcolor="#add8e6"]; Object;
+  edge [fontname="Cantarell"];
+
+  Subject -> Object [label=Predicate];
+}
diff --git a/docs/reference/libtracker-sparql/images/triple-graph-1.png 
b/docs/reference/libtracker-sparql/images/triple-graph-1.png
index 94ff24b9a..2cf93dbe8 100644
Binary files a/docs/reference/libtracker-sparql/images/triple-graph-1.png and 
b/docs/reference/libtracker-sparql/images/triple-graph-1.png differ
diff --git a/docs/reference/libtracker-sparql/images/triple-graph-2.dot 
b/docs/reference/libtracker-sparql/images/triple-graph-2.dot
new file mode 100644
index 000000000..d31c6f3a9
--- /dev/null
+++ b/docs/reference/libtracker-sparql/images/triple-graph-2.dot
@@ -0,0 +1,20 @@
+digraph G {
+  rankdir=LR;
+  graph [bgcolor="#00000000"];
+  node [fontname="Cantarell", style="filled", shape="ellipse", color="#000000", fillcolor="#d8e5e5"]; a, 
"nfo:FileDataObject", "nmm:MusicPiece", b, c, d, e;
+  node [shape="rectangle", color="#000000", fillcolor="#add8e6"]; Images, "Go Off!", "Marty Friedman", 
"Jason Becker", "Cacophony";
+  edge [fontname="Cantarell"];
+
+  a -> "nfo:FileDataObject" [label="rdf:type"];
+  a -> "nmm:MusicPiece" [label="rdf:type"];
+  a -> "Images" [label="nie:title"];
+  a -> b [label="nmm:musicAlbum"];
+  a -> c [label="nmm:albumArtist"];
+  a -> d [label="nmm:albumArtist"];
+  a -> e [label="nmm:performer"];
+
+  b -> "Go Off!" [label="nie:title"];
+  c -> "Jason Becker" [label="nmm:artistName"];
+  d -> "Marty Friedman" [label="nmm:artistName"];
+  e -> "Cacophony" [label="nmm:artistName"];
+}
diff --git a/docs/reference/libtracker-sparql/images/triple-graph-2.png 
b/docs/reference/libtracker-sparql/images/triple-graph-2.png
index f199a07c3..7d3d4c2bd 100644
Binary files a/docs/reference/libtracker-sparql/images/triple-graph-2.png and 
b/docs/reference/libtracker-sparql/images/triple-graph-2.png differ
diff --git a/docs/reference/libtracker-sparql/images/triple-graph-3.dot 
b/docs/reference/libtracker-sparql/images/triple-graph-3.dot
new file mode 100644
index 000000000..55ce34e70
--- /dev/null
+++ b/docs/reference/libtracker-sparql/images/triple-graph-3.dot
@@ -0,0 +1,13 @@
+digraph G {
+  rankdir=LR;
+  graph [bgcolor="#00000000"];
+  node [fontname="Cantarell", style="filled", shape="ellipse", color="#000000", fillcolor="#d8e5e5"]; 
"nmm:MusicPiece";
+  node [style="filled,dotted", color="#000000", fillcolor="#ffffff"]; song, songTitle, album, albumTitle;
+  edge [fontname="Cantarell"];
+
+  song -> "nmm:MusicPiece" [label="rdf:type"];
+  song -> songTitle [label="nie:title"];
+  song -> album [label="nmm:MusicAlbum"];
+
+  album -> albumTitle [label="nie:title"];
+}
diff --git a/docs/reference/libtracker-sparql/images/triple-graph-3.png 
b/docs/reference/libtracker-sparql/images/triple-graph-3.png
index cd4b97d84..965694481 100644
Binary files a/docs/reference/libtracker-sparql/images/triple-graph-3.png and 
b/docs/reference/libtracker-sparql/images/triple-graph-3.png differ