From 4a4137e11cd59781af2df4165c494728967e12ca Mon Sep 17 00:00:00 2001
From: bob8677 <11bob8677@gmail.com>
Date: Sat, 10 Apr 2021 17:35:41 -0500
Subject: [PATCH 1/3] add logo blur option

---
 wallutils.sh | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/wallutils.sh b/wallutils.sh
index d51db29..03e7a56 100644
--- a/wallutils.sh
+++ b/wallutils.sh
@@ -142,22 +142,31 @@ compwallpaper() {
         instantoverlay
         imgresize overlay.png "$RESOLUTION"
 
+        # perpare effects
+        case $(iconf logoeffects) in
+        "invert")
+            convert wall.png -channel RGB -negate effect.png
+            ;;
+        "blur")
+            convert wall.png -blur 100x100 effect.png
+            ;;
+        "both")
+            convert wall.png -blur 100x100 -channel RGB -negate effect.png
+            ;;
+        esac
+
         # create mask from overlay
         convert overlay.png -alpha extract mask.png
-        # cut the image with the mask
-        composite -compose CopyOpacity mask.png wall.png cut.png
-        # Convert to black and white the cut
-        # convert cut.png -colorspace Gray blackandwhite.png
-        # Negate the black and white cut
-        convert cut.png -channel RGB -negate invert.png
+        # cut the effect image with the mask
+        composite -compose CopyOpacity mask.png effect.png cut.png
         # draw the computed overlay on top of the background
-        convert wall.png invert.png -gravity center -composite instantwallpaper.png
+        convert wall.png cut.png -gravity center -composite instantwallpaper.png
 
         rm wall.png
         rm mask.png
         rm cut.png
         rm blackandwhite.png
-        rm invert.png
+        rm effect.png
     else
         echo "logo disabled"
         mv wall.png instantwallpaper.png

From 0ac0b0fc1a274cd58c555d97097715c3cebb6e2e Mon Sep 17 00:00:00 2001
From: bob8677 <11bob8677@gmail.com>
Date: Sun, 11 Apr 2021 12:44:06 -0500
Subject: [PATCH 2/3] make logo effects more scalable + add more options

---
 wallutils.sh | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/wallutils.sh b/wallutils.sh
index 03e7a56..5c7c3bf 100644
--- a/wallutils.sh
+++ b/wallutils.sh
@@ -142,18 +142,17 @@ compwallpaper() {
         instantoverlay
         imgresize overlay.png "$RESOLUTION"
 
-        # perpare effects
-        case $(iconf logoeffects) in
-        "invert")
-            convert wall.png -channel RGB -negate effect.png
-            ;;
-        "blur")
-            convert wall.png -blur 100x100 effect.png
-            ;;
-        "both")
-            convert wall.png -blur 100x100 -channel RGB -negate effect.png
-            ;;
-        esac
+        # perpare effect settings
+        iconf logoeffects | grep swirl && EFFECTS+=("-swirl" "360")
+        iconf logoeffects | grep flip && EFFECTS+=("-flip")
+        iconf logoeffects | grep blur && EFFECTS+=("-blur" "100x100")
+        iconf logoeffects | grep invert && EFFECTS+=("-channel" "RGB" "-negate")
+        iconf logoeffects | grep grayscale && EFFECTS+=("-colorspace" "Gray")
+        iconf logoeffects | grep contrast && EFFECTS+=("-level" "20000")
+        iconf logoeffects | grep dim && EFFECTS+=("-modulate" "50")
+        iconf logoeffects | grep brighten | grep -v dim && EFFECTS+=("-modulate" "150")
+
+        convert wall.png "${EFFECTS[@]}" effect.png
 
         # create mask from overlay
         convert overlay.png -alpha extract mask.png
@@ -165,7 +164,6 @@ compwallpaper() {
         rm wall.png
         rm mask.png
         rm cut.png
-        rm blackandwhite.png
         rm effect.png
     else
         echo "logo disabled"

From 78b661be8434c5fd41b58adaf897bbff1f801112 Mon Sep 17 00:00:00 2001
From: bob8677 <11bob8677@gmail.com>
Date: Sun, 11 Apr 2021 16:14:55 -0500
Subject: [PATCH 3/3] set effect to invert if not set

---
 wallutils.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/wallutils.sh b/wallutils.sh
index 5c7c3bf..e864934 100644
--- a/wallutils.sh
+++ b/wallutils.sh
@@ -142,6 +142,12 @@ compwallpaper() {
         instantoverlay
         imgresize overlay.png "$RESOLUTION"
 
+        # set to invert if logoeffects is not set or broken
+        iconf logoeffects |
+        grep -E 'brighten|dim|contrast|grayscale|invert|blur|flip|swirl' ||
+        iconf logoeffects 'invert'
+
+
         # perpare effect settings
         iconf logoeffects | grep swirl && EFFECTS+=("-swirl" "360")
         iconf logoeffects | grep flip && EFFECTS+=("-flip")
@@ -152,6 +158,7 @@ compwallpaper() {
         iconf logoeffects | grep dim && EFFECTS+=("-modulate" "50")
         iconf logoeffects | grep brighten | grep -v dim && EFFECTS+=("-modulate" "150")
 
+	# apply effects
         convert wall.png "${EFFECTS[@]}" effect.png
 
         # create mask from overlay