[gtk+] Recover assets rendering script

[Emmanuele Bassi <ebassi src gnome org>]

commit 73878e29fd7558053c3ed68382614f5d310da64e
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Tue May 2 12:36:15 2017 +0100

    Recover assets rendering script
    
    It was unintentionally removed by commit f6cbd076.

 gtk/theme/Adwaita/render-assets.sh |   34 ++++++++++++++++++++++++++++++++++
 1 files changed, 34 insertions(+), 0 deletions(-)
---
diff --git a/gtk/theme/Adwaita/render-assets.sh b/gtk/theme/Adwaita/render-assets.sh
new file mode 100755
index 0000000..24d7675
--- /dev/null
+++ b/gtk/theme/Adwaita/render-assets.sh
@@ -0,0 +1,34 @@
+#! /bin/bash
+
+INKSCAPE="/usr/bin/inkscape"
+OPTIPNG="/usr/bin/optipng"
+
+SRC_FILE="assets.svg"
+ASSETS_DIR="assets"
+INDEX="assets.txt"
+
+for i in `cat $INDEX`
+do 
+if [ -f $ASSETS_DIR/$i.png ]; then
+    echo $ASSETS_DIR/$i.png exists.
+else
+    echo
+    echo Rendering $ASSETS_DIR/$i.png
+    $INKSCAPE --export-id=$i \
+              --export-id-only \
+              --export-png=$ASSETS_DIR/$i.png $SRC_FILE >/dev/null #\
+    # && $OPTIPNG -o7 --quiet $ASSETS_DIR/$i.png 
+fi
+if [ -f $ASSETS_DIR/$i 2 png ]; then
+    echo $ASSETS_DIR/$i 2 png exists.
+else
+    echo
+    echo Rendering $ASSETS_DIR/$i 2 png
+    $INKSCAPE --export-id=$i \
+              --export-dpi=180 \
+              --export-id-only \
+              --export-png=$ASSETS_DIR/$i 2 png $SRC_FILE >/dev/null #\
+    # && $OPTIPNG -o7 --quiet $ASSETS_DIR/$i 2 png 
+fi
+done
+exit 0