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 (:.

9 files changed, 42 insertions, 0 deletions

diff --git a/docs/reference/libtracker-sparql/images/triple-graph-1.dia b/docs/reference/libtracker-sparql/images/triple-graph-1.dia
deleted file mode 100644
index d423640a9..000000000
--- a/docs/reference/libtracker-sparql/images/triple-graph-1.dia
+++ /dev/null
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
--- a/docs/reference/libtracker-sparql/images/triple-graph-1.png
+++ b/docs/reference/libtracker-sparql/images/triple-graph-1.png
diff --git a/docs/reference/libtracker-sparql/images/triple-graph-2.dia b/docs/reference/libtracker-sparql/images/triple-graph-2.dia
deleted file mode 100644
index b65d3b07b..000000000
--- a/docs/reference/libtracker-sparql/images/triple-graph-2.dia
+++ /dev/null
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
--- a/docs/reference/libtracker-sparql/images/triple-graph-2.png
+++ b/docs/reference/libtracker-sparql/images/triple-graph-2.png
diff --git a/docs/reference/libtracker-sparql/images/triple-graph-3.dia b/docs/reference/libtracker-sparql/images/triple-graph-3.dia
deleted file mode 100644
index d6171659f..000000000
--- a/docs/reference/libtracker-sparql/images/triple-graph-3.dia
+++ /dev/null
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
--- a/docs/reference/libtracker-sparql/images/triple-graph-3.png
+++ b/docs/reference/libtracker-sparql/images/triple-graph-3.png