tdf#92091 Writer save and restore VCL state during recursion

This change updates Writer to save and restore VCL device state while
laying out text. This fixes issues caused by Writer mutating device
state while recursively laying out text, particularly overlapping RTL
and LTR text when used together along with footnotes.

Change-Id: I077352551ce2072f5c5eab9bff4b98bbcc6e78f5
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/168835
Tested-by: Jenkins
Reviewed-by: Jonathan Clark <jonathan@libreoffice.org>
This commit is contained in:
Jonathan Clark 2024-06-13 13:55:29 -06:00
parent efd665b931
commit e78bb77c3c
3 changed files with 432 additions and 0 deletions

View file

@ -0,0 +1,336 @@
<?xml version="1.0" encoding="UTF-8"?>
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<style:paragraph-properties fo:margin-top="0in" fo:margin-bottom="0.0972in" style:contextual-spacing="false" fo:line-height="115%"/>
</style:style>
<style:style style:name="List" style:family="paragraph" style:parent-style-name="Text_20_Body" style:class="list">
<style:text-properties style:font-name-complex="Tahoma" style:font-family-complex="Tahoma" style:font-family-generic-complex="system" style:font-pitch-complex="variable"/>
</style:style>
<style:style style:name="Caption" style:family="paragraph" style:parent-style-name="Standard" style:class="extra">
<style:paragraph-properties fo:margin-top="0.0835in" fo:margin-bottom="0.0835in" style:contextual-spacing="false" text:number-lines="false" text:line-number="0"/>
<style:text-properties fo:font-size="12pt" fo:font-style="italic" style:font-size-asian="12pt" style:font-style-asian="italic" style:font-name-complex="Tahoma" style:font-family-complex="Tahoma" style:font-family-generic-complex="system" style:font-pitch-complex="variable" style:font-size-complex="12pt" style:font-style-complex="italic"/>
</style:style>
<style:style style:name="Index" style:family="paragraph" style:parent-style-name="Standard" style:class="index">
<style:paragraph-properties text:number-lines="false" text:line-number="0"/>
<style:text-properties style:font-name-complex="Tahoma" style:font-family-complex="Tahoma" style:font-family-generic-complex="system" style:font-pitch-complex="variable"/>
</style:style>
<style:style style:name="Heading_20_1" style:display-name="Heading 1" style:family="paragraph" style:parent-style-name="Heading" style:class="text"/>
<style:style style:name="Heading_20_2" style:display-name="Heading 2" style:family="paragraph" style:parent-style-name="Heading" style:class="text"/>
<style:style style:name="Heading_20_3" style:display-name="Heading 3" style:family="paragraph" style:parent-style-name="Heading" style:class="text"/>
<style:style style:name="Text_20_Body" style:display-name="Text Body" style:family="paragraph" style:parent-style-name="Standard">
<style:paragraph-properties fo:margin-top="0in" fo:margin-bottom="0.0972in" style:contextual-spacing="false" fo:line-height="120%"/>
</style:style>
<style:style style:name="Footnote_20__28_WW_29_" style:display-name="Footnote (WW)" style:family="paragraph" style:parent-style-name="Standard">
<style:paragraph-properties fo:margin-left="0.2354in" fo:margin-right="0in" fo:text-indent="-0.2354in" style:auto-text-indent="false" text:number-lines="false" text:line-number="0"/>
<style:text-properties fo:font-size="10pt" style:font-size-asian="10pt" style:font-size-complex="10pt"/>
</style:style>
<style:style style:name="Contents_20_Heading_20__28_WW_29_" style:display-name="Contents Heading (WW)" style:family="paragraph" style:parent-style-name="Heading"/>
<style:style style:name="Quotations" style:family="paragraph" style:parent-style-name="Standard" style:class="html"/>
<style:style style:name="Title" style:family="paragraph" style:parent-style-name="Heading" style:class="chapter"/>
<style:style style:name="Subtitle" style:family="paragraph" style:parent-style-name="Heading" style:class="chapter"/>
<style:style style:name="Footnote" style:family="paragraph" style:parent-style-name="Standard" style:class="extra"/>
<style:style style:name="Footnote_20_anchor" style:display-name="Footnote anchor" style:family="text">
<style:text-properties style:text-position="super 58%"/>
</style:style>
<style:style style:name="Endnote_20_anchor" style:display-name="Endnote anchor" style:family="text">
<style:text-properties style:text-position="super 58%"/>
</style:style>
<style:style style:name="Footnote_20_Characters_20__28_WW_29_" style:display-name="Footnote Characters (WW)" style:family="text"/>
<style:style style:name="Endnote_20_Characters_20__28_WW_29_" style:display-name="Endnote Characters (WW)" style:family="text"/>
<style:style style:name="Footnote_20_Symbol" style:display-name="Footnote Symbol" style:family="text"/>
<text:outline-style style:name="Outline">
<text:outline-level-style text:level="1" loext:num-list-format="%1%" style:num-format="">
<style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
<style:list-level-label-alignment text:label-followed-by="listtab"/>
</style:list-level-properties>
</text:outline-level-style>
<text:outline-level-style text:level="2" loext:num-list-format="%2%" style:num-format="">
<style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
<style:list-level-label-alignment text:label-followed-by="listtab"/>
</style:list-level-properties>
</text:outline-level-style>
<text:outline-level-style text:level="3" loext:num-list-format="%3%" style:num-format="">
<style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
<style:list-level-label-alignment text:label-followed-by="listtab"/>
</style:list-level-properties>
</text:outline-level-style>
<text:outline-level-style text:level="4" loext:num-list-format="%4%" style:num-format="">
<style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
<style:list-level-label-alignment text:label-followed-by="listtab"/>
</style:list-level-properties>
</text:outline-level-style>
<text:outline-level-style text:level="5" loext:num-list-format="%5%" style:num-format="">
<style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
<style:list-level-label-alignment text:label-followed-by="listtab"/>
</style:list-level-properties>
</text:outline-level-style>
<text:outline-level-style text:level="6" loext:num-list-format="%6%" style:num-format="">
<style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
<style:list-level-label-alignment text:label-followed-by="listtab"/>
</style:list-level-properties>
</text:outline-level-style>
<text:outline-level-style text:level="7" loext:num-list-format="%7%" style:num-format="">
<style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
<style:list-level-label-alignment text:label-followed-by="listtab"/>
</style:list-level-properties>
</text:outline-level-style>
<text:outline-level-style text:level="8" loext:num-list-format="%8%" style:num-format="">
<style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
<style:list-level-label-alignment text:label-followed-by="listtab"/>
</style:list-level-properties>
</text:outline-level-style>
<text:outline-level-style text:level="9" loext:num-list-format="%9%" style:num-format="">
<style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
<style:list-level-label-alignment text:label-followed-by="listtab"/>
</style:list-level-properties>
</text:outline-level-style>
<text:outline-level-style text:level="10" loext:num-list-format="%10%" style:num-format="">
<style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
<style:list-level-label-alignment text:label-followed-by="listtab"/>
</style:list-level-properties>
</text:outline-level-style>
</text:outline-style>
<text:notes-configuration text:note-class="footnote" text:citation-style-name="Footnote_20_Symbol" text:citation-body-style-name="Footnote_20_anchor" style:num-format="1" text:start-value="0" text:footnotes-position="page" text:start-numbering-at="document"/>
<text:notes-configuration text:note-class="endnote" style:num-format="i" text:start-value="0"/>
<text:linenumbering-configuration text:number-lines="false" text:offset="0.1965in" style:num-format="1" text:number-position="left" text:increment="5"/>
<style:default-page-layout>
<style:page-layout-properties style:writing-mode="lr-tb" style:layout-grid-standard-mode="true"/>
</style:default-page-layout>
<loext:theme loext:name="Office">
<loext:theme-colors loext:name="LibreOffice">
<loext:color loext:name="dark1" loext:color="#000000"/>
<loext:color loext:name="light1" loext:color="#ffffff"/>
<loext:color loext:name="dark2" loext:color="#000000"/>
<loext:color loext:name="light2" loext:color="#ffffff"/>
<loext:color loext:name="accent1" loext:color="#18a303"/>
<loext:color loext:name="accent2" loext:color="#0369a3"/>
<loext:color loext:name="accent3" loext:color="#a33e03"/>
<loext:color loext:name="accent4" loext:color="#8e03a3"/>
<loext:color loext:name="accent5" loext:color="#c99c00"/>
<loext:color loext:name="accent6" loext:color="#c9211e"/>
<loext:color loext:name="hyperlink" loext:color="#0000ee"/>
<loext:color loext:name="followed-hyperlink" loext:color="#551a8b"/>
</loext:theme-colors>
</loext:theme>
</office:styles>
<office:automatic-styles>
<style:style style:name="P1" style:family="paragraph" style:parent-style-name="Standard">
<style:paragraph-properties fo:line-height="150%" fo:text-align="end" style:justify-single-word="false" style:writing-mode="rl-tb"/>
<style:text-properties officeooo:paragraph-rsid="0010cd8a" style:font-name-complex="Noto Sans Arabic"/>
</style:style>
<style:style style:name="P2" style:family="paragraph" style:parent-style-name="Footnote_20__28_WW_29_">
<style:text-properties officeooo:rsid="0010cd8a" officeooo:paragraph-rsid="0010cd8a"/>
</style:style>
<style:page-layout style:name="pm1">
<style:page-layout-properties fo:page-width="8.2681in" fo:page-height="11.6929in" style:num-format="1" style:print-orientation="portrait" fo:margin-top="0.7874in" fo:margin-bottom="0.7874in" fo:margin-left="0.7874in" fo:margin-right="0.7874in" style:writing-mode="lr-tb" style:layout-grid-color="#c0c0c0" style:layout-grid-lines="60" style:layout-grid-base-height="0.1665in" style:layout-grid-ruby-height="0in" style:layout-grid-mode="none" style:layout-grid-ruby-below="false" style:layout-grid-print="false" style:layout-grid-display="false" style:layout-grid-base-width="0.1665in" style:layout-grid-snap-to="true" style:footnote-max-height="0in" loext:margin-gutter="0in">
<style:footnote-sep style:width="0.0071in" style:distance-before-sep="0.0398in" style:distance-after-sep="0.0398in" style:line-style="solid" style:adjustment="left" style:rel-width="25%" style:color="#000000"/>
</style:page-layout-properties>
<style:header-style/>
<style:footer-style/>
</style:page-layout>
<style:style style:name="dp1" style:family="drawing-page">
<style:drawing-page-properties draw:background-size="full"/>
</style:style>
</office:automatic-styles>
<office:master-styles>
<style:master-page style:name="Standard" style:page-layout-name="pm1" draw:style-name="dp1"/>
</office:master-styles>
<office:body>
<office:text>
<text:sequence-decls>
<text:sequence-decl text:display-outline-level="0" text:name="Illustration"/>
<text:sequence-decl text:display-outline-level="0" text:name="Table"/>
<text:sequence-decl text:display-outline-level="0" text:name="Text"/>
<text:sequence-decl text:display-outline-level="0" text:name="Drawing"/>
<text:sequence-decl text:display-outline-level="0" text:name="Figure"/>
</text:sequence-decls>
<text:p text:style-name="P1">ا<text:note text:id="ftn1" text:note-class="footnote"><text:note-citation>1</text:note-citation><text:note-body>
<text:p text:style-name="P2">footnote</text:p></text:note-body></text:note> عی عی عی عی عی عی عی عی<text:note text:id="ftn2" text:note-class="footnote"><text:note-citation>2</text:note-citation><text:note-body>
<text:p text:style-name="P2">footnote</text:p></text:note-body></text:note> ا</text:p>
</office:text>
</office:body>
</office:document>

View file

@ -2925,6 +2925,54 @@ CPPUNIT_TEST_FIXTURE(SwLayoutWriter3, TestTdf161508)
assertXPath(pExportDump, "//page[2]/body/tab"_ostr, 1);
}
CPPUNIT_TEST_FIXTURE(SwLayoutWriter3, TestTdf92091)
{
// This test verifies that RTL text following an LTR footnote is measured correctly
createSwDoc("tdf92091.fodt");
auto pXmlDoc = parseLayoutDump();
sal_Int32 nLayoutWidth
= getXPath(pXmlDoc, "/root/page[1]/body/txt[1]/SwParaPortion/SwLineLayout"_ostr,
"width"_ostr)
.toInt32();
CPPUNIT_ASSERT_GREATER(sal_Int32(3210), nLayoutWidth);
sal_Int32 nPor1Width
= getXPath(pXmlDoc,
"/root/page[1]/body/txt[1]/SwParaPortion/SwLineLayout/SwLinePortion[1]"_ostr,
"width"_ostr)
.toInt32();
CPPUNIT_ASSERT_GREATER(sal_Int32(55), nPor1Width);
sal_Int32 nPor2Width
= getXPath(pXmlDoc,
"/root/page[1]/body/txt[1]/SwParaPortion/SwLineLayout/SwFieldPortion[1]"_ostr,
"width"_ostr)
.toInt32();
CPPUNIT_ASSERT_GREATER(sal_Int32(75), nPor2Width);
sal_Int32 nPor3Width
= getXPath(pXmlDoc,
"/root/page[1]/body/txt[1]/SwParaPortion/SwLineLayout/SwLinePortion[2]"_ostr,
"width"_ostr)
.toInt32();
CPPUNIT_ASSERT_GREATER(sal_Int32(2870), nPor3Width);
sal_Int32 nPor4Width
= getXPath(pXmlDoc,
"/root/page[1]/body/txt[1]/SwParaPortion/SwLineLayout/SwFieldPortion[2]"_ostr,
"width"_ostr)
.toInt32();
CPPUNIT_ASSERT_GREATER(sal_Int32(75), nPor4Width);
sal_Int32 nPor5Width
= getXPath(pXmlDoc,
"/root/page[1]/body/txt[1]/SwParaPortion/SwLineLayout/SwLinePortion[3]"_ostr,
"width"_ostr)
.toInt32();
CPPUNIT_ASSERT_GREATER(sal_Int32(110), nPor5Width);
}
} // end of anonymous namespace
CPPUNIT_PLUGIN_IMPLEMENT();

View file

@ -1981,10 +1981,58 @@ void SwTextFrame::FormatImpl(vcl::RenderContext* pRenderContext, SwParaPortion *
}
}
namespace
{
class SwTextFrameFormatScopeGuard
{
private:
VclPtr<OutputDevice> m_pOut = nullptr;
VclPtr<OutputDevice> m_pRef = nullptr;
public:
SwTextFrameFormatScopeGuard(OutputDevice* pOut, SwTextFrame* pFrame)
: m_pOut(pOut)
{
auto pVsh = pFrame->getRootFrame()->GetCurrShell();
if (pVsh)
{
m_pRef = &pVsh->GetRefDev();
}
if (m_pOut)
{
m_pOut->Push(vcl::PushFlags::ALL);
}
if (m_pRef)
{
m_pRef->Push(vcl::PushFlags::ALL);
}
}
~SwTextFrameFormatScopeGuard()
{
if (m_pRef)
{
m_pRef->Pop();
}
if (m_pOut)
{
m_pOut->Pop();
}
}
};
}
// We calculate the text frame's size and send a notification.
// Shrink() or Grow() to adjust the frame's size to the changed required space.
void SwTextFrame::Format( vcl::RenderContext* pRenderContext, const SwBorderAttrs * )
{
// tdf#92091: SwTextFrame::Format is re-entrant, but may change VCL global state.
// The previous state is saved here and restored after returning.
SwTextFrameFormatScopeGuard stSg{ pRenderContext, this };
SwRectFnSet aRectFnSet(this);
CalcAdditionalFirstLineOffset();