XFA - Don't fill when the fill element is not visible (bug 1718735)

src/core/xfa/template.js

@@ -181,7 +181,7 @@ class Arc extends XFAObject {
     const edge = this.edge ? this.edge : new Edge({});
     const edgeStyle = edge[$toStyle]();
     const style = Object.create(null);
-    if (this.fill) {
+    if (this.fill && this.fill.presence === "visible") {
       Object.assign(style, this.fill[$toStyle]());
     } else {
       style.fill = "transparent";
@@ -631,7 +631,7 @@ class Border extends XFAObject {
       Object.assign(style, this.margin[$toStyle]());
     }
 
-    if (this.fill) {
+    if (this.fill && this.fill.presence === "visible") {
       Object.assign(style, this.fill[$toStyle]());
     }
 
@@ -3918,7 +3918,7 @@ class Rectangle extends XFAObject {
       : new Edge({});
     const edgeStyle = edge[$toStyle]();
     const style = Object.create(null);
-    if (this.fill) {
+    if (this.fill && this.fill.presence === "visible") {
       Object.assign(style, this.fill[$toStyle]());
     } else {
       style.fill = "transparent";

test/pdfs/xfa_bug1718735.pdf.link

@@ -0,0 +1 @@
+https://bugzilla.mozilla.org/attachment.cgi?id=9229357

test/test_manifest.json

@@ -938,6 +938,14 @@
        "lastPage": 2,
        "type": "eq"
     },
+    {  "id": "xfa_bug1718735",
+       "file": "pdfs/xfa_bug1718735.pdf",
+       "md5": "1001f5c02c026943cbd37f646725d82f",
+       "link": true,
+       "rounds": 1,
+       "enableXfa": true,
+       "type": "eq"
+    },
     {  "id": "xfa_bug1718053",
        "file": "pdfs/xfa_bug1718053.pdf",
        "md5": "252d728d2c456dcb81699342a71c42ea",