Add XFA JPG pixel test

This adds a test case where a simple red square JPG image is embedded
into an XFA document. This exercises that <image> tags work correctly
and that end to end rendering of JPGs is working.

Change-Id: Ife2f334c4c2a77a551d7c0b6f31c36f6cf42fcee
Reviewed-on: https://pdfium-review.googlesource.com/43133
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/testing/resources/pixel/xfa_specific/xfa_jpg_image.in b/testing/resources/pixel/xfa_specific/xfa_jpg_image.in
new file mode 100644
index 0000000..f3d4a16
--- /dev/null
+++ b/testing/resources/pixel/xfa_specific/xfa_jpg_image.in
@@ -0,0 +1,76 @@
+{{header}}
+
+%% Original object ID: 24 0
+{{object 1 0}}
+<<
+  /AcroForm 2 0 R
+  /Extensions <<
+    /ADBE <<
+      /BaseVersion /1.7
+      /ExtensionLevel 8
+    >>
+  >>
+  /NeedsRendering true
+  /Type /Catalog
+>>
+endobj
+
+%% Original object ID: 32 0
+{{object 2 0}}
+<<
+  /XFA [
+    (preamble)
+    3 0 R
+    (config)
+    4 0 R
+    (template)
+    5 0 R
+    (localeSet)
+    6 0 R
+    (postamble)
+    7 0 R
+  ]
+>>
+endobj
+
+{{xfapreamble 3 0}}
+{{xfaconfig 4 0}}
+
+{{object 5 0}}
+<<
+  {{streamlen}}
+>>
+stream
+<template xmlns="http://www.xfa.org/schema/xfa-template/3.3/">
+  <subform name="form1" layout="tb" locale="en_US" restoreState="auto">
+    <pageSet>
+      <pageArea name="Page1" id="Page1">
+        <contentArea x="18pt" y="18pt" w="612pt" h="792pt"/>
+        <medium stock="default" short="612pt" long="792pt"/>
+      </pageArea>
+    </pageSet>
+    <subform w="576pt" h="756pt" name="Page1">
+      <field name="ImageField1" w="250pt" h="250pt">
+        <value>
+          <image contentType="image/jpeg">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</image>
+        </value>
+        <border>
+          <edge thickness="0.254mm"/>
+          <corner thickness="0.254mm"/>
+        </border>
+      </field>
+    </subform>
+  </subform>
+</template>
+
+endstream
+endobj
+
+{{xfalocale 6 0}}
+
+{{xfapostamble 7 0}}
+
+{{xref}}
+{{trailer}}
+{{startxref}}
+%%EOF
diff --git a/testing/resources/pixel/xfa_specific/xfa_jpg_image_expected.pdf.0.png b/testing/resources/pixel/xfa_specific/xfa_jpg_image_expected.pdf.0.png
new file mode 100644
index 0000000..283cded
--- /dev/null
+++ b/testing/resources/pixel/xfa_specific/xfa_jpg_image_expected.pdf.0.png
Binary files differ