Grab screenshots via fbcat to fix colors

buffyboard/regenerate-screenshots.sh

@@ -2,19 +2,13 @@
 
 # Change this depending on what device you're generating the screenshots on
 fb_res=1920x1080
-fb_depth=8
-fb_format=rgba
 
 executable=$1
 outdir=screenshots
 config=buffyboard-screenshots.conf
 
-themes=(
-    breezy-light
-    breezy-dark
-    pmos-light
-    pmos-dark
-)
+root=$(git rev-parse --show-toplevel)
+themes_c=$root/shared/themes.c
 
 resolutions=(
     # Nokia N900
@@ -34,6 +28,11 @@ resolutions=(
     1920x1080
 )
 
+if ! which fbcat > /dev/null 2>&1; then
+    echo "Error: Could not find fbcat" 1>&2
+    exit 1
+fi
+
 if [[ ! -f $executable || ! -x $executable ]]; then
     echo "Error: Could not find executable at $executable" 1>&2
     exit 1
@@ -50,14 +49,8 @@ touchscreen=false
 EOF
 }
 
-# Hide cursor
-echo -e '\033[?25l'
-
 function clean_up() {
     rm -f $config
-
-    # Show cursor
-    echo -e '\033[?25h'
 }
 
 trap clean_up EXIT
@@ -67,7 +60,9 @@ mkdir "$outdir"
 
 readme="# Buffyboard themes"$'\n'
 
-for theme in ${themes[@]}; do
+clear # Blank the screen
+
+while read -r theme; do
     write_config $theme
 
     readme="$readme"$'\n'"## $theme"$'\n\n'
@@ -78,23 +73,24 @@ for theme in ${themes[@]}; do
 
         sleep 3 # Wait for UI to render
 
-        cat /dev/fb0 > "$outdir/$theme-$res"
-        convert -size $fb_res \
-            -depth $fb_depth \
+        fbcat /dev/fb0 > "$outdir/$theme-$res.ppm"
+        kill -15 $pid
+
+        convert \
+            -size $fb_res \
+            $outdir/$theme-$res.ppm \
             screenshot-background.png \
-            $fb_format:"$outdir/$theme-$res" \
             -crop $res+0+0 \
             -gravity NorthWest \
             -composite \
             "$outdir/$theme-$res.png"
 
-        rm "$outdir/$theme-$res"
-        kill -15 $pid
+        rm "$outdir/$theme-$res.ppm"
 
         readme="$readme<img src=\"$theme-$res.png\" alt=\"$res\" height=\"300\"/>"$'\n'
 
         sleep 1 # Delay to prevent terminal mode set / reset interference
     done
-done
+done < <(grep "name =" "$themes_c" | grep -o '".*"' | tr -d '"' | sort)
 
 echo -n "$readme" > "$outdir/README.md"