api: only add shadow to specific frames

skins/blizzard/miscellaneous.lua

@@ -1,6 +1,7 @@
 pfUI:RegisterSkin("Stack Split", function ()
   StripTextures(StackSplitFrame)
   CreateBackdrop(StackSplitFrame, nil, nil, .75)
+  CreateBackdropShadow(StackSplitFrame)
 
   SkinButton(StackSplitOkayButton)
   SkinButton(StackSplitCancelButton)
@@ -9,6 +10,7 @@ end)
 pfUI:RegisterSkin("Coin Pickup", function ()
   StripTextures(CoinPickupFrame)
   CreateBackdrop(CoinPickupFrame, nil, nil, .75)
+  CreateBackdropShadow(CoinPickupFrame)
 
   SkinButton(CoinPickupOkayButton)
   SkinButton(CoinPickupCancelButton)
@@ -16,6 +18,7 @@ end)
 
 pfUI:RegisterSkin("Color Picker", function ()
   CreateBackdrop(ColorPickerFrame)
+  CreateBackdropShadow(ColorPickerFrame)
 
   ColorPickerFrameHeader:SetTexture("")
 
@@ -31,6 +34,7 @@ end)
 
 pfUI:RegisterSkin("Opacity", function ()
   CreateBackdrop(OpacityFrame, nil, true, .75)
+  CreateBackdropShadow(OpacityFrame)
 
   SkinSlider(OpacityFrameSlider)
   OpacityFrameSlider:ClearAllPoints()
@@ -39,11 +43,15 @@ end)
 
 pfUI:RegisterSkin("Tutorial", function ()
   CreateBackdrop(TutorialFrame, nil, true, .75)
+  CreateBackdropShadow(TutorialFrame)
+
   SkinCheckbox(TutorialFrameCheckButton)
   SkinButton(TutorialFrameOkayButton)
 end)
 
 pfUI:RegisterSkin("Quest Timer", function ()
   CreateBackdrop(QuestTimerFrame, nil, nil, .75)
+  CreateBackdropShadow(QuestTimerFrame)
+
   QuestTimerHeader:Hide()
 end)