1 files changed, 10 insertions, 14 deletions
diff --git a/src/Utils.ts b/src/Utils.ts
index 330ca59f9..9499aaf2f 100644
--- a/src/Utils.ts
+++ b/src/Utils.ts
@@ -157,23 +157,19 @@ export namespace Utils {
 
     const isTransparentFunctionHack = 'isTransparent(__value__)';
     export const noRecursionHack = '__noRecursion';
-    export const noDragsDocFilter = 'noDragDocs::any::check';
+
+    // special case filters
+    export const noDragDocsFilter = 'noDragDocs::any::check';
+    export const TransparentBackgroundFilter = `backgroundColor::${isTransparentFunctionHack},${noRecursionHack}::check`; // bcz: hack.  noRecursion should probably be either another ':' delimited field, or it should be a modifier to the comparision (eg., check, x, etc) field
+    export const OpaqueBackgroundFilter = `backgroundColor::${isTransparentFunctionHack},${noRecursionHack}::x`; // bcz: hack.  noRecursion should probably be either another ':' delimited field, or it should be a modifier to the comparision (eg., check, x, etc) field
+
     export function IsRecursiveFilter(val: string) {
         return !val.includes(noRecursionHack);
     }
-    export function HasTransparencyFilter(val: string) {
-        return val.includes(isTransparentFunctionHack);
-    }
-    export function IsTransparentFilter() {
-        // bcz: isTransparent(__value__) is a hack.  it would be nice to have acual functions be parsed, but now Doc.matchFieldValue is hardwired to recognize just this one
-        return `backgroundColor::${isTransparentFunctionHack},${noRecursionHack}::check`; // bcz: hack.  noRecursion should probably be either another ':' delimited field, or it should be a modifier to the comparision (eg., check, x, etc) field
-    }
-    export function IsOpaqueFilter() {
-        // bcz: isTransparent(__value__) is a hack.  it would be nice to have acual functions be parsed, but now Doc.matchFieldValue is hardwired to recognize just this one
-        return `backgroundColor::${isTransparentFunctionHack},${noRecursionHack}::x`; // bcz: hack.  noRecursion should probably be either another ':' delimited field, or it should be a modifier to the comparision (eg., check, x, etc) field
-    }
-    export function IsPropUnsetFilter(prop: string) {
-        return `${prop}::any,${noRecursionHack}::unset`;
+    export function HasFunctionFilter(val: string) {
+        if (val.includes(isTransparentFunctionHack)) return (color: string) => color !== '' && DashColor(color).alpha() !== 1;
+        // add other function filters here...
+        return undefined;
     }
 
     export function toRGBAstr(col: { r: number; g: number; b: number; a?: number }) {