tdf#144222 fix pdf export with vertical layout

Remove the offset adjustment that is no longer necessary.
That was done in every backend before, and has been
removed now.  We can trust what layout text provides us.

Regression from:

commit dd0d0b44fd
Author: Mark Hung <marklh9@gmail.com>
Date:   Sun May 2 15:12:46 2021 +0800

    vcl: adjust LayoutText() for vertical writing.

Change-Id: I077f5a5f0711444086e56e4469dbcb3010ffe661
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/123682
Tested-by: Jenkins
Reviewed-by: Mark Hung <marklh9@gmail.com>

vcl/qa/cppunit/pdfexport/pdfexport.cxx

@@ -2945,6 +2945,48 @@ CPPUNIT_TEST_FIXTURE(PdfExportTest, testPdfImageRotate180)
     CPPUNIT_ASSERT_DOUBLES_EQUAL(-1.0, aScale.getX(), 0.01);
 }
 
+CPPUNIT_TEST_FIXTURE(PdfExportTest, testTdf144222)
+{
+// Assume Windows has the font for U+4E2D
+#ifdef _WIN32
+    OUString aURL = m_directories.getURLFromSrc(DATA_DIRECTORY) + "tdf144222.ods";
+    utl::MediaDescriptor aMediaDescriptor;
+    aMediaDescriptor["FilterName"] <<= OUString("calc_pdf_Export");
+    auto pPdfDocument = exportAndParse(aURL, aMediaDescriptor);
+
+    // The document has one page.
+    CPPUNIT_ASSERT_EQUAL(1, pPdfDocument->getPageCount());
+    std::unique_ptr<vcl::pdf::PDFiumPage> pPdfPage = pPdfDocument->openPage(/*nIndex=*/0);
+    CPPUNIT_ASSERT(pPdfPage);
+    std::unique_ptr<vcl::pdf::PDFiumTextPage> pTextPage = pPdfPage->getTextPage();
+    CPPUNIT_ASSERT(pTextPage);
+
+    int nPageObjectCount = pPdfPage->getObjectCount();
+    const OUString sChar = u"\u4E2D";
+    basegfx::B2DRectangle aRect1, aRect2;
+    int nCount = 0;
+
+    for (int i = 0; i < nPageObjectCount; ++i)
+    {
+        std::unique_ptr<vcl::pdf::PDFiumPageObject> pPdfPageObject = pPdfPage->getObject(i);
+        if (pPdfPageObject->getType() == vcl::pdf::PDFPageObjectType::Text)
+        {
+            ++nCount;
+            OUString sText = pPdfPageObject->getText(pTextPage);
+            if (sText == sChar)
+                aRect1 = pPdfPageObject->getBounds();
+            else
+                aRect2 = pPdfPageObject->getBounds();
+        }
+    }
+
+    CPPUNIT_ASSERT_EQUAL(2, nCount);
+    CPPUNIT_ASSERT(!aRect1.isEmpty());
+    CPPUNIT_ASSERT(!aRect2.isEmpty());
+    CPPUNIT_ASSERT(!aRect1.overlaps(aRect2));
+#endif
+}
+
 } // end anonymous namespace
 
 CPPUNIT_PLUGIN_IMPLEMENT();

vcl/source/gdi/pdfwriter_impl.cxx

@@ -5841,8 +5841,6 @@ void PDFWriterImpl::drawVerticalGlyphs(
         if (rGlyphs[i].m_pGlyph->IsVertical())
         {
             fDeltaAngle = M_PI/2.0;
-            aDeltaPos.setX( GetFontMetric().GetAscent() );
-            aDeltaPos.setY( static_cast<int>(static_cast<double>(GetFontMetric().GetDescent()) * fXScale) );
             fYScale = fXScale;
             fTempXScale = 1.0;
             fSkewA = -fSkewB;