tdf#157182 vcl,filter: PDF/A export: fix crash due to SE ID mismatch

The SE IDs in PDFExtOutDevData and PDFWriterImpl are supposed to match.
If PDF/A-1 is exported then RemoveTransparenciesFromMetaFile() is
called and that does unspeakable things to the Metafile and then we just
throw away the PDF related data for the page in
PDFExtOutDevData::ResetSyncData().

This means that then EnsureStructureElement are called on
PDFExtOutDevData but not on PDFWriterImpl, so on the next page the IDs
will no longer match, which is noticed if there is no transparency to be
removed on that page.

pdfextoutdevdata.cxx:347: bool vcl::PageSyncData::PlaySyncPageAct(): Assertion `id == -1 || id == mParaInts.front()' failed.

Guess the easiest way to deal with this is to have the premature
ResetSyncData() replay only the EnsureStructureElement actions, which is
only possible because they don't really require any extra data stored in
the ridiculous vectors in PageSyncData; PDFWriterImpl will eventually
remove the elements as they are never initialised.

(regression from commit 07d790ca473cd6e71f0343419b819fa6b485dc01)

Change-Id: I8eb295504067edff00608e28fd86b0c86d547083
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/157748
Tested-by: Jenkins
Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>

2 files changed, 455 insertions, 0 deletions

diff --git a/vcl/qa/cppunit/pdfexport/data/transparentshape.fodp b/vcl/qa/cppunit/pdfexport/data/transparentshape.fodp
new file mode 100644
index 000000000000..2fddc3ac0db4
--- /dev/null
+++ b/vcl/qa/cppunit/pdfexport/data/transparentshape.fodp
@@ -0,0 +1,439 @@
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+  <style:page-layout style:name="PM0">
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+   <style:page-layout-properties fo:margin-top="0cm" fo:margin-bottom="0cm" fo:margin-left="0cm" fo:margin-right="0cm" fo:page-width="28cm" fo:page-height="15.75cm" style:print-orientation="landscape"/>
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+  <style:style style:name="dp1" style:family="drawing-page">
+   <style:drawing-page-properties draw:background-size="border" draw:fill="none"/>
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+  <style:style style:name="dp2" style:family="drawing-page">
+   <style:drawing-page-properties presentation:display-header="true" presentation:display-footer="true" presentation:display-page-number="false" presentation:display-date-time="true"/>
+  </style:style>
+  <style:style style:name="dp3" style:family="drawing-page">
+   <style:drawing-page-properties presentation:background-visible="true" presentation:background-objects-visible="true" presentation:display-footer="true" presentation:display-page-number="false" presentation:display-date-time="true"/>
+  </style:style>
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+   <style:graphic-properties draw:stroke="none" draw:fill="none" draw:fill-color="#ffffff" draw:auto-grow-height="false" fo:min-height="1.485cm" loext:decorative="false"/>
+   <style:paragraph-properties style:writing-mode="lr-tb"/>
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+  <style:style style:name="gr2" style:family="graphic" style:parent-style-name="standard">
+   <style:graphic-properties draw:stroke="none" draw:fill="none" draw:fill-color="#ffffff" draw:textarea-vertical-align="bottom" draw:auto-grow-height="false" fo:min-height="1.485cm" loext:decorative="false"/>
+   <style:paragraph-properties style:writing-mode="lr-tb"/>
+  </style:style>
+  <style:style style:name="gr3" style:family="graphic" style:parent-style-name="standard">
+   <style:graphic-properties draw:fill="solid" draw:fill-color="#729fcf" draw:opacity="50%" draw:textarea-horizontal-align="justify" draw:textarea-vertical-align="middle" draw:auto-grow-height="false" fo:min-height="3.75cm" fo:min-width="12cm" draw:shadow-opacity="50%" loext:decorative="false"/>
+   <style:paragraph-properties style:writing-mode="lr-tb"/>
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+   <style:graphic-properties style:protect="size" loext:decorative="false"/>
+  </style:style>
+  <style:style style:name="pr1" style:family="presentation" style:parent-style-name="Default-backgroundobjects">
+   <style:graphic-properties draw:stroke="none" draw:fill="none" draw:fill-color="#ffffff" draw:auto-grow-height="false" fo:min-height="1.086cm" loext:decorative="false"/>
+   <style:paragraph-properties style:writing-mode="lr-tb"/>
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+  <style:style style:name="pr2" style:family="presentation" style:parent-style-name="Default-backgroundobjects">
+   <style:graphic-properties draw:stroke="none" draw:fill="none" draw:fill-color="#ffffff" draw:auto-grow-height="false" fo:min-height="1.485cm" loext:decorative="false"/>
+   <style:paragraph-properties style:writing-mode="lr-tb"/>
+  </style:style>
+  <style:style style:name="pr3" style:family="presentation" style:parent-style-name="Default-backgroundobjects">
+   <style:graphic-properties draw:stroke="none" draw:fill="none" draw:fill-color="#ffffff" draw:textarea-vertical-align="bottom" draw:auto-grow-height="false" fo:min-height="1.485cm" loext:decorative="false"/>
+   <style:paragraph-properties style:writing-mode="lr-tb"/>
+  </style:style>
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+   <style:graphic-properties draw:fill-color="#ffffff" fo:min-height="13.364cm" loext:decorative="false"/>
+   <style:paragraph-properties style:writing-mode="lr-tb"/>
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+   <style:graphic-properties fo:min-height="8.884cm" loext:decorative="false"/>
+   <style:paragraph-properties style:writing-mode="lr-tb"/>
+  </style:style>
+  <style:style style:name="P1" style:family="paragraph">
+   <style:text-properties fo:font-size="14pt" style:font-size-asian="14pt" style:font-size-complex="14pt"/>
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+   <loext:graphic-properties draw:fill="none" draw:fill-color="#ffffff"/>
+   <style:text-properties fo:font-size="14pt" style:font-size-asian="14pt" style:font-size-complex="14pt"/>
+  </style:style>
+  <style:style style:name="P3" style:family="paragraph">
+   <style:paragraph-properties fo:text-align="end"/>
+   <style:text-properties fo:font-size="14pt" style:font-size-asian="14pt" style:font-size-complex="14pt"/>
+  </style:style>
+  <style:style style:name="P4" style:family="paragraph">
+   <loext:graphic-properties draw:fill="none" draw:fill-color="#ffffff"/>
+   <style:paragraph-properties fo:text-align="end"/>
+   <style:text-properties fo:font-size="14pt" style:font-size-asian="14pt" style:font-size-complex="14pt"/>
+  </style:style>
+  <style:style style:name="P5" style:family="paragraph">
+   <style:paragraph-properties fo:text-align="center"/>
+   <style:text-properties fo:font-size="14pt" style:font-size-asian="14pt" style:font-size-complex="14pt"/>
+  </style:style>
+  <style:style style:name="P6" style:family="paragraph">
+   <loext:graphic-properties draw:fill="none" draw:fill-color="#ffffff"/>
+   <style:paragraph-properties fo:text-align="center"/>
+   <style:text-properties fo:font-size="14pt" style:font-size-asian="14pt" style:font-size-complex="14pt"/>
+  </style:style>
+  <style:style style:name="P7" style:family="paragraph">
+   <style:paragraph-properties fo:text-align="center"/>
+  </style:style>
+  <style:style style:name="P8" style:family="paragraph">
+   <loext:graphic-properties draw:fill="solid" draw:fill-color="#729fcf" draw:opacity="50%"/>
+   <style:paragraph-properties fo:text-align="center"/>
+  </style:style>
+  <style:style style:name="P9" style:family="paragraph">
+   <loext:graphic-properties draw:fill-color="#ffffff"/>
+  </style:style>
+  <text:list-style style:name="L3">
+   <text:list-level-style-bullet text:level="1" text:bullet-char="●">
+    <style:list-level-properties text:space-before="0.3cm" text:min-label-width="0.9cm"/>
+    <style:text-properties fo:font-family="OpenSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="2" text:bullet-char="–">
+    <style:list-level-properties text:space-before="1.5cm" text:min-label-width="0.9cm"/>
+    <style:text-properties fo:font-family="OpenSymbol" style:use-window-font-color="true" fo:font-size="75%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="3" text:bullet-char="●">
+    <style:list-level-properties text:space-before="2.8cm" text:min-label-width="0.8cm"/>
+    <style:text-properties fo:font-family="OpenSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="4" text:bullet-char="–">
+    <style:list-level-properties text:space-before="4.2cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="OpenSymbol" style:use-window-font-color="true" fo:font-size="75%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="5" text:bullet-char="●">
+    <style:list-level-properties text:space-before="5.4cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="OpenSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="6" text:bullet-char="●">
+    <style:list-level-properties text:space-before="6.6cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="OpenSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="7" text:bullet-char="●">
+    <style:list-level-properties text:space-before="7.8cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="OpenSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="8" text:bullet-char="●">
+    <style:list-level-properties text:space-before="9cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="OpenSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="9" text:bullet-char="●">
+    <style:list-level-properties text:space-before="10.2cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="OpenSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="10" text:bullet-char="●">
+    <style:list-level-properties text:space-before="11.4cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="OpenSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+  </text:list-style>
+ </office:automatic-styles>
+ <office:master-styles>
+  <draw:layer-set>
+   <draw:layer draw:name="layout"/>
+   <draw:layer draw:name="background"/>
+   <draw:layer draw:name="backgroundobjects"/>
+   <draw:layer draw:name="controls"/>
+   <draw:layer draw:name="measurelines"/>
+  </draw:layer-set>
+  <style:handout-master presentation:presentation-page-layout-name="AL0T26" style:page-layout-name="PM0" draw:style-name="dp2">
+   <draw:page-thumbnail draw:layer="backgroundobjects" svg:width="8.999cm" svg:height="5.061cm" svg:x="1cm" svg:y="3.742cm"/>
+   <draw:page-thumbnail draw:layer="backgroundobjects" svg:width="8.999cm" svg:height="5.061cm" svg:x="1cm" svg:y="12.318cm"/>
+   <draw:page-thumbnail draw:layer="backgroundobjects" svg:width="8.999cm" svg:height="5.061cm" svg:x="1cm" svg:y="20.894cm"/>
+   <draw:page-thumbnail draw:layer="backgroundobjects" svg:width="8.999cm" svg:height="5.061cm" svg:x="11cm" svg:y="3.742cm"/>
+   <draw:page-thumbnail draw:layer="backgroundobjects" svg:width="8.999cm" svg:height="5.061cm" svg:x="11cm" svg:y="12.318cm"/>
+   <draw:page-thumbnail draw:layer="backgroundobjects" svg:width="8.999cm" svg:height="5.061cm" svg:x="11cm" svg:y="20.894cm"/>
+   <draw:frame draw:style-name="gr1" draw:text-style-name="P2" draw:layer="backgroundobjects" svg:width="9.113cm" svg:height="1.484cm" svg:x="0cm" svg:y="0cm" presentation:class="header">
+    <draw:text-box>
+     <text:p text:style-name="P1"><presentation:header/></text:p>
+    </draw:text-box>
+   </draw:frame>
+   <draw:frame draw:style-name="gr1" draw:text-style-name="P4" draw:layer="backgroundobjects" svg:width="9.113cm" svg:height="1.484cm" svg:x="11.886cm" svg:y="0cm" presentation:class="date-time">
+    <draw:text-box>
+     <text:p text:style-name="P3"><presentation:date-time/></text:p>
+    </draw:text-box>
+   </draw:frame>
+   <draw:frame draw:style-name="gr2" draw:text-style-name="P2" draw:layer="backgroundobjects" svg:width="9.113cm" svg:height="1.484cm" svg:x="0cm" svg:y="28.215cm" presentation:class="footer">
+    <draw:text-box>
+     <text:p text:style-name="P1"><presentation:footer/></text:p>
+    </draw:text-box>
+   </draw:frame>
+   <draw:frame draw:style-name="gr2" draw:text-style-name="P4" draw:layer="backgroundobjects" svg:width="9.113cm" svg:height="1.484cm" svg:x="11.886cm" svg:y="28.215cm" presentation:class="page-number">
+    <draw:text-box>
+     <text:p text:style-name="P3"><text:page-number>&lt;number&gt;</text:page-number></text:p>
+    </draw:text-box>
+   </draw:frame>
+  </style:handout-master>
+  <style:master-page style:name="Default" style:page-layout-name="PM1" draw:style-name="dp1">
+   <draw:frame presentation:style-name="Default-title" draw:layer="backgroundobjects" svg:width="25.199cm" svg:height="2.629cm" svg:x="1.4cm" svg:y="0.628cm" presentation:class="title" presentation:placeholder="true">
+    <draw:text-box/>
+   </draw:frame>
+   <draw:frame presentation:style-name="Default-outline1" draw:layer="backgroundobjects" svg:width="25.199cm" svg:height="9.134cm" svg:x="1.4cm" svg:y="3.685cm" presentation:class="outline" presentation:placeholder="true">
+    <draw:text-box/>
+   </draw:frame>
+   <draw:frame presentation:style-name="pr1" draw:text-style-name="P2" draw:layer="backgroundobjects" svg:width="6.523cm" svg:height="1.085cm" svg:x="1.4cm" svg:y="14.348cm" presentation:class="date-time">
+    <draw:text-box>
+     <text:p text:style-name="P1"><presentation:date-time/></text:p>
+    </draw:text-box>
+   </draw:frame>
+   <draw:frame presentation:style-name="pr1" draw:text-style-name="P6" draw:layer="backgroundobjects" svg:width="8.875cm" svg:height="1.085cm" svg:x="9.576cm" svg:y="14.348cm" presentation:class="footer">
+    <draw:text-box>
+     <text:p text:style-name="P5"><presentation:footer/></text:p>
+    </draw:text-box>
+   </draw:frame>
+   <draw:frame presentation:style-name="pr1" draw:text-style-name="P4" draw:layer="backgroundobjects" svg:width="6.523cm" svg:height="1.085cm" svg:x="20.076cm" svg:y="14.348cm" presentation:class="page-number">
+    <draw:text-box>
+     <text:p text:style-name="P3"><text:page-number>&lt;number&gt;</text:page-number></text:p>
+    </draw:text-box>
+   </draw:frame>
+   <presentation:notes style:page-layout-name="PM0">
+    <draw:page-thumbnail presentation:style-name="Default-title" draw:layer="backgroundobjects" svg:width="19.798cm" svg:height="11.136cm" svg:x="0.6cm" svg:y="2.257cm" presentation:class="page"/>
+    <draw:frame presentation:style-name="Default-notes" draw:layer="backgroundobjects" svg:width="16.799cm" svg:height="13.364cm" svg:x="2.1cm" svg:y="14.107cm" presentation:class="notes" presentation:placeholder="true">
+     <draw:text-box/>
+    </draw:frame>
+    <draw:frame presentation:style-name="pr2" draw:text-style-name="P2" draw:layer="backgroundobjects" svg:width="9.113cm" svg:height="1.484cm" svg:x="0cm" svg:y="0cm" presentation:class="header">
+     <draw:text-box>
+      <text:p text:style-name="P1"><presentation:header/></text:p>
+     </draw:text-box>
+    </draw:frame>
+    <draw:frame presentation:style-name="pr2" draw:text-style-name="P4" draw:layer="backgroundobjects" svg:width="9.113cm" svg:height="1.484cm" svg:x="11.886cm" svg:y="0cm" presentation:class="date-time">
+     <draw:text-box>
+      <text:p text:style-name="P3"><presentation:date-time/></text:p>
+     </draw:text-box>
+    </draw:frame>
+    <draw:frame presentation:style-name="pr3" draw:text-style-name="P2" draw:layer="backgroundobjects" svg:width="9.113cm" svg:height="1.484cm" svg:x="0cm" svg:y="28.215cm" presentation:class="footer">
+     <draw:text-box>
+      <text:p text:style-name="P1"><presentation:footer/></text:p>
+     </draw:text-box>
+    </draw:frame>
+    <draw:frame presentation:style-name="pr3" draw:text-style-name="P4" draw:layer="backgroundobjects" svg:width="9.113cm" svg:height="1.484cm" svg:x="11.886cm" svg:y="28.215cm" presentation:class="page-number">
+     <draw:text-box>
+      <text:p text:style-name="P3"><text:page-number>&lt;number&gt;</text:page-number></text:p>
+     </draw:text-box>
+    </draw:frame>
+   </presentation:notes>
+  </style:master-page>
+ </office:master-styles>
+ <office:body>
+  <office:presentation>
+   <draw:page draw:name="page1" draw:style-name="dp3" draw:master-page-name="Default" presentation:presentation-page-layout-name="AL1T0">
+    <draw:custom-shape draw:style-name="gr3" draw:text-style-name="P8" draw:layer="layout" svg:width="12.5cm" svg:height="4cm" svg:x="7.5cm" svg:y="3.257cm">
+     <text:p text:style-name="P7">Transparent shape</text:p>
+     <draw:enhanced-geometry svg:viewBox="0 0 21600 21600" draw:type="rectangle" draw:enhanced-path="M 0 0 L 21600 0 21600 21600 0 21600 0 0 Z N"/>
+    </draw:custom-shape>
+    <presentation:notes draw:style-name="dp2">
+     <draw:page-thumbnail draw:style-name="gr4" draw:layer="layout" svg:width="19.798cm" svg:height="11.136cm" svg:x="0.6cm" svg:y="2.257cm" draw:page-number="1" presentation:class="page"/>
+     <draw:frame presentation:style-name="pr4" draw:text-style-name="P9" draw:layer="layout" svg:width="16.799cm" svg:height="13.364cm" svg:x="2.1cm" svg:y="14.107cm" presentation:class="notes" presentation:placeholder="true">
+      <draw:text-box/>
+     </draw:frame>
+    </presentation:notes>
+   </draw:page>
+   <draw:page draw:name="page2" draw:style-name="dp3" draw:master-page-name="Default" presentation:presentation-page-layout-name="AL2T1">
+    <draw:frame presentation:style-name="pr5" draw:layer="layout" svg:width="25.199cm" svg:height="9.134cm" svg:x="1.4cm" svg:y="3.685cm" presentation:class="outline" presentation:user-transformed="true">
+     <draw:text-box>
+      <text:list text:style-name="L3">
+       <text:list-item>
+        <text:p>Nothing transparent here</text:p>
+       </text:list-item>
+      </text:list>
+     </draw:text-box>
+    </draw:frame>
+    <presentation:notes draw:style-name="dp2">
+     <draw:page-thumbnail draw:style-name="gr4" draw:layer="layout" svg:width="19.798cm" svg:height="11.136cm" svg:x="0.6cm" svg:y="2.257cm" draw:page-number="2" presentation:class="page"/>
+     <draw:frame presentation:style-name="pr4" draw:text-style-name="P9" draw:layer="layout" svg:width="16.799cm" svg:height="13.364cm" svg:x="2.1cm" svg:y="14.107cm" presentation:class="notes" presentation:placeholder="true">
+      <draw:text-box/>
+     </draw:frame>
+    </presentation:notes>
+   </draw:page>
+   <presentation:settings presentation:mouse-visible="false"/>
+  </office:presentation>
+ </office:body>
+</office:document>
\ No newline at end of file
diff --git a/vcl/qa/cppunit/pdfexport/pdfexport.cxx b/vcl/qa/cppunit/pdfexport/pdfexport.cxx
index 3977c41090e9..9a2990627125 100644
--- a/vcl/qa/cppunit/pdfexport/pdfexport.cxx
+++ b/vcl/qa/cppunit/pdfexport/pdfexport.cxx
@@ -4155,6 +4155,22 @@ CPPUNIT_TEST_FIXTURE(PdfExportTest, testSpans)
     CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nDoc)>(1), nDoc);
 }
 
+CPPUNIT_TEST_FIXTURE(PdfExportTest, testTdf157182)
+{
+    aMediaDescriptor["FilterName"] <<= OUString("writer_pdf_Export");
+
+    uno::Sequence<beans::PropertyValue> aFilterData(comphelper::InitPropertySequence({
+        { "PDFUACompliance", uno::Any(true) },
+        // only happens with PDF/A-1
+        { "SelectPdfVersion", uno::Any(static_cast<sal_Int32>(1)) },
+    }));
+    aMediaDescriptor["FilterData"] <<= aFilterData;
+
+    saveAsPDF(u"transparentshape.fodp");
+
+    // just check this does not crash or assert
+}
+
 CPPUNIT_TEST_FIXTURE(PdfExportTest, testTdf57423)
 {
     aMediaDescriptor["FilterName"] <<= OUString("writer_pdf_Export");