Add support for missing appearances for hightlights, strikeout, squiggly and underline annotations.

test/pdfs/.gitignore

@@ -113,6 +113,7 @@
 !bug1245391_reduced.pdf
 !bug1252420.pdf
 !bug1513120_reduced.pdf
+!bug1538111.pdf
 !bug1552113.pdf
 !issue9949.pdf
 !bug1308536.pdf
@@ -359,10 +360,14 @@
 !issue9278.pdf
 !annotation-text-without-popup.pdf
 !annotation-underline.pdf
+!annotation-underline-without-appearance.pdf
 !issue269_2.pdf
 !annotation-strikeout.pdf
+!annotation-strikeout-without-appearance.pdf
 !annotation-squiggly.pdf
+!annotation-squiggly-without-appearance.pdf
 !annotation-highlight.pdf
+!annotation-highlight-without-appearance.pdf
 !annotation-freetext.pdf
 !annotation-line.pdf
 !annotation-square-circle.pdf

test/pdfs/bug1538111.pdf

@@ -0,0 +1,108 @@
+%PDF-1.7
+% ò¤ô
+
+1 0 obj <<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj <<
+  /Type /Pages
+  /Count 1
+  /Kids [ 3 0 R ]
+>>
+endobj
+
+3 0 obj <<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 595 842]
+  /Annots [
+    4 0 R
+    5 0 R
+    6 0 R
+    7 0 R
+  ]
+  /Tabs /R
+>>
+endobj
+
+4 0 obj <<
+  /Type /Annot
+  /Subtype /Highlight
+  /Rect [ 108 602 506 640 ]
+  /NM (Hilight-1)
+  /F 4
+  /QuadPoints [
+    107.7896 639.9486 505.8939 639.9486 107.7896 629.1634 505.8939 629.1634
+    107.7896 626.2871 505.8939 626.2871 107.7896 615.5011 505.8939 615.5011
+    107.7896 612.6248 380.1389 612.6248 107.7896 601.8397 380.1389 601.8397
+  ]
+  /C [ 1 1 0 ]
+  /Contents ()
+>>
+endobj
+
+5 0 obj <<
+  /Type /Annot
+  /Subtype /Underline
+  /Rect [ 108 552 506 590 ]
+  /NM (Underline-1)
+  /F 4
+  /QuadPoints [
+    107.7896 589.9486 505.8939 589.9486 107.7896 579.1634 505.8939 579.1634
+    107.7896 576.2871 505.8939 576.2871 107.7896 565.5011 505.8939 565.5011
+    107.7896 562.6248 380.1389 562.6248 107.7896 551.8397 380.1389 551.8397
+  ]
+  /C [ 0 0 0 ]
+  /Contents ()
+>>
+endobj
+
+6 0 obj <<
+  /Type /Annot
+  /Subtype /Squiggly
+  /Rect [ 108 502 506 540 ]
+  /NM (Squiggly-1)
+  /F 4
+  /QuadPoints [
+    107.7896 539.9486 505.8939 539.9486 107.7896 529.1634 505.8939 529.1634
+    107.7896 526.2871 505.8939 526.2871 107.7896 515.5011 505.8939 515.5011
+    107.7896 512.6248 380.1389 512.6248 107.7896 501.8397 380.1389 501.8397
+  ]
+  /C [ 0 0 0 ]
+  /Contents ()
+>>
+endobj
+
+7 0 obj <<
+  /Type /Annot
+  /Subtype /StrikeOut
+  /Rect [ 108 452 506 490 ]
+  /NM (StrikeOut-1)
+  /F 4
+  /QuadPoints [
+    107.7896 489.9486 505.8939 489.9486 107.7896 479.1634 505.8939 479.1634
+    107.7896 476.2871 505.8939 476.2871 107.7896 465.5011 505.8939 465.5011
+    107.7896 462.6248 380.1389 462.6248 107.7896 451.8397 380.1389 451.8397
+  ]
+  /C [ 0 0 0 ]
+  /Contents ()
+>>
+endobj
+
+xref
+0 8
+0000000000 65535 f 
+0000000016 00000 n 
+0000000070 00000 n 
+0000000136 00000 n 
+0000000281 00000 n 
+0000000671 00000 n 
+0000001063 00000 n 
+0000001453 00000 n 
+trailer<< /Root 1 0 R /Size 8 >>
+startxref
+1845
+%%EOF

test/test_manifest.json

@@ -764,6 +764,13 @@
        "annotations": true,
        "about": "Annotation with (unsupported) file:// URL."
     },
+    {  "id": "bug1538111",
+       "file": "pdfs/bug1538111.pdf",
+       "md5": "3f3635cfc25d132fb1054042e520e297",
+       "rounds": 1,
+       "annotations": true,
+       "type": "eq"
+    },
     {  "id": "bug1552113",
        "file": "pdfs/bug1552113.pdf",
        "md5": "dafb7ba1328e8deaab2e3619c94bf974",
@@ -4378,6 +4385,13 @@
        "type": "eq",
        "annotations": true
     },
+    {  "id": "annotation-underline-without-appearance",
+       "file": "pdfs/annotation-underline-without-appearance.pdf",
+       "md5": "dd5be5e9a8e6bdbf67c175ca170f7cb7",
+       "rounds": 1,
+       "annotations": true,
+       "type": "eq"
+    },
     {  "id": "annotation-strikeout",
        "file": "pdfs/annotation-strikeout.pdf",
        "md5": "6624e6b5bedd2f2855b6ab12bbf93c57",
@@ -4385,6 +4399,13 @@
        "type": "eq",
        "annotations": true
     },
+    {  "id": "annotation-strikeout-without-appearance",
+       "file": "pdfs/annotation-strikeout-without-appearance.pdf",
+       "md5": "1dc751ab83e8deb3094bfc580289b097",
+       "rounds": 1,
+       "annotations": true,
+       "type": "eq"
+    },
     {  "id": "annotation-squiggly",
        "file": "pdfs/annotation-squiggly.pdf",
        "md5": "38661e731ac6c525af5894d2d20c6e71",
@@ -4392,6 +4413,13 @@
        "type": "eq",
        "annotations": true
     },
+    {  "id": "annotation-squiggly-without-appearance",
+       "file": "pdfs/annotation-squiggly-without-appearance.pdf",
+       "md5": "6546f22a06a5e51d0e835c677cdbc705",
+       "rounds": 1,
+       "annotations": true,
+       "type": "eq"
+    },
     {  "id": "annotation-highlight",
        "file": "pdfs/annotation-highlight.pdf",
        "md5": "e13e198e3a69c32dc9ebdc704d3105e1",
@@ -4399,6 +4427,13 @@
        "type": "eq",
        "annotations": true
     },
+    {  "id": "annotation-highlight-without-appearance",
+       "file": "pdfs/annotation-highlight-without-appearance.pdf",
+       "md5": "a1f2811324fa1ff0c9f1778697413dad",
+       "rounds": 1,
+       "annotations": true,
+       "type": "eq"
+    },
     {  "id": "annotation-freetext",
        "file": "pdfs/annotation-freetext.pdf",
        "md5": "6ca19ce632ead3aed08f22e588510e2f",