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loongoffice/vcl/qa/cppunit/PDFiumLibraryTest.cxx
Stephan Bergmann 56c89190a2 Extended loplugin:ostr: vcl 
Change-Id: I2a9d5383d1831d8bf61e5280d66556d71fccae52
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/159666
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
2023-11-19 15:23:35 +01:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <string_view>
#include <cppunit/TestAssert.h>
#include <cppunit/extensions/HelperMacros.h>
#include <unotest/bootstrapfixturebase.hxx>
#include <unotest/directories.hxx>
#include <unotools/datetime.hxx>
#include <com/sun/star/util/DateTime.hpp>
#include <vcl/graph.hxx>
#include <vcl/graphicfilter.hxx>
#include <tools/stream.hxx>
#include <vcl/filter/PDFiumLibrary.hxx>
#include <vcl/pdfread.hxx>
#include <vcl/BitmapReadAccess.hxx>
class PDFiumLibraryTest : public test::BootstrapFixtureBase
{
OUString getFullUrl(std::u16string_view sFileName)
{
return m_directories.getURLFromSrc(u"/vcl/qa/cppunit/data/") + sFileName;
}
void testDocument();
void testPages();
void testPageObjects();
void testAnnotationsMadeInEvince();
void testAnnotationsMadeInAcrobat();
void testAnnotationsDifferentTypes();
void testTools();
void testFormFields();
CPPUNIT_TEST_SUITE(PDFiumLibraryTest);
CPPUNIT_TEST(testDocument);
CPPUNIT_TEST(testPages);
CPPUNIT_TEST(testPageObjects);
CPPUNIT_TEST(testAnnotationsMadeInEvince);
CPPUNIT_TEST(testAnnotationsMadeInAcrobat);
CPPUNIT_TEST(testAnnotationsDifferentTypes);
CPPUNIT_TEST(testTools);
CPPUNIT_TEST(testFormFields);
CPPUNIT_TEST_SUITE_END();
};
void PDFiumLibraryTest::testDocument()
{
OUString aURL = getFullUrl(u"Pangram.pdf");
SvFileStream aStream(aURL, StreamMode::READ);
GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
Graphic aGraphic = rGraphicFilter.ImportUnloadedGraphic(aStream);
aGraphic.makeAvailable();
auto pVectorGraphicData = aGraphic.getVectorGraphicData();
CPPUNIT_ASSERT(pVectorGraphicData);
CPPUNIT_ASSERT_EQUAL(VectorGraphicDataType::Pdf, pVectorGraphicData->getType());
auto& rDataContainer = pVectorGraphicData->getBinaryDataContainer();
auto pPdfium = vcl::pdf::PDFiumLibrary::get();
CPPUNIT_ASSERT(pPdfium);
auto pDocument
= pPdfium->openDocument(rDataContainer.getData(), rDataContainer.getSize(), OString());
CPPUNIT_ASSERT(pDocument);
CPPUNIT_ASSERT_EQUAL(1, pDocument->getPageCount());
auto aSize = pDocument->getPageSize(0);
CPPUNIT_ASSERT_EQUAL(612.0, aSize.getWidth());
CPPUNIT_ASSERT_EQUAL(792.0, aSize.getHeight());
}
void PDFiumLibraryTest::testPages()
{
OUString aURL = getFullUrl(u"Pangram.pdf");
SvFileStream aStream(aURL, StreamMode::READ);
GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
Graphic aGraphic = rGraphicFilter.ImportUnloadedGraphic(aStream);
aGraphic.makeAvailable();
auto pVectorGraphicData = aGraphic.getVectorGraphicData();
CPPUNIT_ASSERT(pVectorGraphicData);
CPPUNIT_ASSERT_EQUAL(VectorGraphicDataType::Pdf, pVectorGraphicData->getType());
auto& rDataContainer = pVectorGraphicData->getBinaryDataContainer();
auto pPdfium = vcl::pdf::PDFiumLibrary::get();
auto pDocument
= pPdfium->openDocument(rDataContainer.getData(), rDataContainer.getSize(), OString());
CPPUNIT_ASSERT(pDocument);
CPPUNIT_ASSERT_EQUAL(1, pDocument->getPageCount());
auto pPage = pDocument->openPage(0);
CPPUNIT_ASSERT(pPage);
}
void PDFiumLibraryTest::testPageObjects()
{
OUString aURL = getFullUrl(u"Pangram.pdf");
SvFileStream aStream(aURL, StreamMode::READ);
GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
Graphic aGraphic = rGraphicFilter.ImportUnloadedGraphic(aStream);
aGraphic.makeAvailable();
auto pVectorGraphicData = aGraphic.getVectorGraphicData();
CPPUNIT_ASSERT(pVectorGraphicData);
CPPUNIT_ASSERT_EQUAL(VectorGraphicDataType::Pdf, pVectorGraphicData->getType());
auto& rDataContainer = pVectorGraphicData->getBinaryDataContainer();
auto pPdfium = vcl::pdf::PDFiumLibrary::get();
auto pDocument
= pPdfium->openDocument(rDataContainer.getData(), rDataContainer.getSize(), OString());
CPPUNIT_ASSERT(pDocument);
CPPUNIT_ASSERT_EQUAL(1, pDocument->getPageCount());
auto pPage = pDocument->openPage(0);
CPPUNIT_ASSERT(pPage);
CPPUNIT_ASSERT_EQUAL(12, pPage->getObjectCount());
auto pPageObject = pPage->getObject(0);
auto pTextPage = pPage->getTextPage();
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFPageObjectType::Text, pPageObject->getType());
CPPUNIT_ASSERT_EQUAL(OUString("The quick, brown fox jumps over a lazy dog. DJs flock by when "
"MTV ax quiz prog. Junk MTV quiz "),
pPageObject->getText(pTextPage));
CPPUNIT_ASSERT_EQUAL(12.0, pPageObject->getFontSize());
CPPUNIT_ASSERT_EQUAL(OUString("Liberation Serif"), pPageObject->getFontName());
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFTextRenderMode::Fill, pPageObject->getTextRenderMode());
CPPUNIT_ASSERT_EQUAL(COL_BLACK, pPageObject->getFillColor());
CPPUNIT_ASSERT_EQUAL(COL_BLACK, pPageObject->getStrokeColor());
basegfx::B2DHomMatrix aMatrix = pPageObject->getMatrix();
// Ignore translation, ensure there is no rotate/scale.
aMatrix.set(0, 2, 0);
aMatrix.set(1, 2, 0);
CPPUNIT_ASSERT_EQUAL(true, aMatrix.isIdentity());
CPPUNIT_ASSERT_DOUBLES_EQUAL(057.01, pPageObject->getBounds().getMinX(), 1E-2);
CPPUNIT_ASSERT_DOUBLES_EQUAL(721.51, pPageObject->getBounds().getMinY(), 1E-2);
CPPUNIT_ASSERT_DOUBLES_EQUAL(539.48, pPageObject->getBounds().getMaxX(), 1E-2);
CPPUNIT_ASSERT_DOUBLES_EQUAL(732.54, pPageObject->getBounds().getMaxY(), 1E-2);
}
void PDFiumLibraryTest::testAnnotationsMadeInEvince()
{
OUString aURL = getFullUrl(u"PangramWithAnnotations.pdf");
SvFileStream aStream(aURL, StreamMode::READ);
GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
Graphic aGraphic = rGraphicFilter.ImportUnloadedGraphic(aStream);
aGraphic.makeAvailable();
auto pVectorGraphicData = aGraphic.getVectorGraphicData();
CPPUNIT_ASSERT(pVectorGraphicData);
CPPUNIT_ASSERT_EQUAL(VectorGraphicDataType::Pdf, pVectorGraphicData->getType());
auto& rDataContainer = pVectorGraphicData->getBinaryDataContainer();
auto pPdfium = vcl::pdf::PDFiumLibrary::get();
auto pDocument
= pPdfium->openDocument(rDataContainer.getData(), rDataContainer.getSize(), OString());
CPPUNIT_ASSERT(pDocument);
CPPUNIT_ASSERT_EQUAL(1, pDocument->getPageCount());
auto pPage = pDocument->openPage(0);
CPPUNIT_ASSERT(pPage);
CPPUNIT_ASSERT_EQUAL(2, pPage->getAnnotationCount());
{
auto pAnnotation = pPage->getAnnotation(0);
CPPUNIT_ASSERT(pAnnotation);
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Text, pAnnotation->getSubType());
OUString aPopupString = pAnnotation->getString(vcl::pdf::constDictionaryKeyTitle);
CPPUNIT_ASSERT_EQUAL(OUString("quikee"), aPopupString);
OUString aContentsString = pAnnotation->getString(vcl::pdf::constDictionaryKeyContents);
CPPUNIT_ASSERT_EQUAL(OUString("Annotation test"), aContentsString);
CPPUNIT_ASSERT_EQUAL(true, pAnnotation->hasKey(vcl::pdf::constDictionaryKeyPopup));
auto pPopupAnnotation = pAnnotation->getLinked(vcl::pdf::constDictionaryKeyPopup);
CPPUNIT_ASSERT(pPopupAnnotation);
CPPUNIT_ASSERT_EQUAL(1, pPage->getAnnotationIndex(pPopupAnnotation));
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Popup, pPopupAnnotation->getSubType());
OUString sDateTimeString
= pAnnotation->getString(vcl::pdf::constDictionaryKeyModificationDate);
CPPUNIT_ASSERT_EQUAL(OUString("D:20200612201322+02'00"), sDateTimeString);
}
{
auto pAnnotation = pPage->getAnnotation(1);
CPPUNIT_ASSERT(pAnnotation);
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Popup, pAnnotation->getSubType());
}
}
void PDFiumLibraryTest::testAnnotationsMadeInAcrobat()
{
OUString aURL = getFullUrl(u"PangramAcrobatAnnotations.pdf");
SvFileStream aStream(aURL, StreamMode::READ);
GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
Graphic aGraphic = rGraphicFilter.ImportUnloadedGraphic(aStream);
aGraphic.makeAvailable();
auto pVectorGraphicData = aGraphic.getVectorGraphicData();
CPPUNIT_ASSERT(pVectorGraphicData);
CPPUNIT_ASSERT_EQUAL(VectorGraphicDataType::Pdf, pVectorGraphicData->getType());
auto& rDataContainer = pVectorGraphicData->getBinaryDataContainer();
auto pPdfium = vcl::pdf::PDFiumLibrary::get();
auto pDocument
= pPdfium->openDocument(rDataContainer.getData(), rDataContainer.getSize(), OString());
CPPUNIT_ASSERT(pDocument);
CPPUNIT_ASSERT_EQUAL(1, pDocument->getPageCount());
auto pPage = pDocument->openPage(0);
CPPUNIT_ASSERT(pPage);
CPPUNIT_ASSERT_EQUAL(4, pPage->getAnnotationCount());
{
auto pAnnotation = pPage->getAnnotation(0);
CPPUNIT_ASSERT(pAnnotation);
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Text, pAnnotation->getSubType());
OUString aPopupString = pAnnotation->getString(vcl::pdf::constDictionaryKeyTitle);
CPPUNIT_ASSERT_EQUAL(OUString("quikee"), aPopupString);
OUString aContentsString = pAnnotation->getString(vcl::pdf::constDictionaryKeyContents);
CPPUNIT_ASSERT_EQUAL(OUString("YEEEY"), aContentsString);
CPPUNIT_ASSERT_EQUAL(true, pAnnotation->hasKey(vcl::pdf::constDictionaryKeyPopup));
auto pPopupAnnotation = pAnnotation->getLinked(vcl::pdf::constDictionaryKeyPopup);
CPPUNIT_ASSERT(pPopupAnnotation);
CPPUNIT_ASSERT_EQUAL(1, pPage->getAnnotationIndex(pPopupAnnotation));
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Popup, pPopupAnnotation->getSubType());
}
{
auto pAnnotation = pPage->getAnnotation(1);
CPPUNIT_ASSERT(pAnnotation);
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Popup, pAnnotation->getSubType());
}
{
auto pAnnotation = pPage->getAnnotation(2);
CPPUNIT_ASSERT(pAnnotation);
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Text, pAnnotation->getSubType());
OUString aPopupString = pAnnotation->getString(vcl::pdf::constDictionaryKeyTitle);
CPPUNIT_ASSERT_EQUAL(OUString("quikee"), aPopupString);
OUString aContentsString = pAnnotation->getString(vcl::pdf::constDictionaryKeyContents);
CPPUNIT_ASSERT_EQUAL(OUString("Note"), aContentsString);
CPPUNIT_ASSERT_EQUAL(true, pAnnotation->hasKey(vcl::pdf::constDictionaryKeyPopup));
auto pPopupAnnotation = pAnnotation->getLinked(vcl::pdf::constDictionaryKeyPopup);
CPPUNIT_ASSERT(pPopupAnnotation);
CPPUNIT_ASSERT_EQUAL(3, pPage->getAnnotationIndex(pPopupAnnotation));
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Popup, pPopupAnnotation->getSubType());
}
{
auto pAnnotation = pPage->getAnnotation(3);
CPPUNIT_ASSERT(pAnnotation);
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Popup, pAnnotation->getSubType());
}
}
void PDFiumLibraryTest::testFormFields()
{
// Given a document with a form field that looks like plain text:
OUString aURL = getFullUrl(u"form-fields.pdf");
SvFileStream aFileStream(aURL, StreamMode::READ);
SvMemoryStream aMemory;
aMemory.WriteStream(aFileStream);
aMemory.Seek(0);
// When rendering its first (and only) page to a bitmap:
std::vector<BitmapEx> aBitmaps;
int nRet = vcl::RenderPDFBitmaps(aMemory.GetData(), aMemory.GetSize(), aBitmaps);
CPPUNIT_ASSERT(nRet);
CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(1), aBitmaps.size());
// Then make sure the bitmap contains that text:
Bitmap aBitmap = aBitmaps[0].GetBitmap();
BitmapReadAccess aAccess(aBitmap);
Size aSize = aBitmap.GetSizePixel();
std::set<sal_uInt32> aColors;
for (tools::Long y = 0; y < aSize.Height(); ++y)
{
for (tools::Long x = 0; x < aSize.Width(); ++x)
{
aColors.insert(static_cast<sal_uInt32>(aAccess.GetPixel(y, x)));
}
}
// Without the accompanying fix in place, this test would have failed with:
// - Expected greater than: 1
// - Actual : 1
// i.e. at least black text and white background is expected (possibly more, due to
// anti-aliasing), but nothing was rendered.
CPPUNIT_ASSERT_GREATER(static_cast<size_t>(1), aColors.size());
}
void PDFiumLibraryTest::testAnnotationsDifferentTypes()
{
OUString aURL = getFullUrl(u"PangramWithMultipleTypeOfAnnotations.pdf");
SvFileStream aStream(aURL, StreamMode::READ);
GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
Graphic aGraphic = rGraphicFilter.ImportUnloadedGraphic(aStream);
aGraphic.makeAvailable();
auto pVectorGraphicData = aGraphic.getVectorGraphicData();
CPPUNIT_ASSERT(pVectorGraphicData);
CPPUNIT_ASSERT_EQUAL(VectorGraphicDataType::Pdf, pVectorGraphicData->getType());
auto& rDataContainer = pVectorGraphicData->getBinaryDataContainer();
auto pPdfium = vcl::pdf::PDFiumLibrary::get();
auto pDocument
= pPdfium->openDocument(rDataContainer.getData(), rDataContainer.getSize(), OString());
CPPUNIT_ASSERT(pDocument);
CPPUNIT_ASSERT_EQUAL(1, pDocument->getPageCount());
auto pPage = pDocument->openPage(0);
CPPUNIT_ASSERT(pPage);
CPPUNIT_ASSERT_EQUAL(6, pPage->getAnnotationCount());
{
auto pAnnotation = pPage->getAnnotation(0);
CPPUNIT_ASSERT(pAnnotation);
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::FreeText, pAnnotation->getSubType());
CPPUNIT_ASSERT_EQUAL(0, pAnnotation->getObjectCount());
OUString aContentsString = pAnnotation->getString(vcl::pdf::constDictionaryKeyContents);
CPPUNIT_ASSERT_EQUAL(OUString("Inline Note"), aContentsString);
auto const& rLineGeometry = pAnnotation->getLineGeometry();
CPPUNIT_ASSERT_EQUAL(true, rLineGeometry.empty());
}
{
auto pAnnotation = pPage->getAnnotation(1);
CPPUNIT_ASSERT(pAnnotation);
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Ink, pAnnotation->getSubType());
CPPUNIT_ASSERT_EQUAL(0, pAnnotation->getObjectCount());
OUString aContentsString = pAnnotation->getString(vcl::pdf::constDictionaryKeyContents);
CPPUNIT_ASSERT_EQUAL(OUString("Freehand Text"), aContentsString);
CPPUNIT_ASSERT_EQUAL(size_t(1), pAnnotation->getInkStrokes().size());
auto const& aInkStrokes = pAnnotation->getInkStrokes();
auto const& aPoints = aInkStrokes[0];
CPPUNIT_ASSERT_EQUAL(size_t(74), aPoints.size());
CPPUNIT_ASSERT_DOUBLES_EQUAL(2.0f, pAnnotation->getBorderWidth(), 1E-2);
auto const& rLineGeometry = pAnnotation->getLineGeometry();
CPPUNIT_ASSERT_EQUAL(true, rLineGeometry.empty());
}
{
auto pAnnotation = pPage->getAnnotation(2);
CPPUNIT_ASSERT(pAnnotation);
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Line, pAnnotation->getSubType());
CPPUNIT_ASSERT_EQUAL(0, pAnnotation->getObjectCount());
OUString aContentsString = pAnnotation->getString(vcl::pdf::constDictionaryKeyContents);
CPPUNIT_ASSERT_EQUAL(OUString("Line Text"), aContentsString);
auto const& rLineGeometry = pAnnotation->getLineGeometry();
CPPUNIT_ASSERT_EQUAL(false, rLineGeometry.empty());
}
{
auto pAnnotation = pPage->getAnnotation(3);
CPPUNIT_ASSERT(pAnnotation);
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Polygon, pAnnotation->getSubType());
CPPUNIT_ASSERT_EQUAL(0, pAnnotation->getObjectCount());
CPPUNIT_ASSERT_EQUAL(true, pAnnotation->hasKey("Vertices"_ostr));
OUString aContentsString = pAnnotation->getString(vcl::pdf::constDictionaryKeyContents);
CPPUNIT_ASSERT_EQUAL(OUString("Polygon Text"), aContentsString);
auto const& aVertices = pAnnotation->getVertices();
CPPUNIT_ASSERT_EQUAL(size_t(3), aVertices.size());
CPPUNIT_ASSERT_DOUBLES_EQUAL(2.0f, pAnnotation->getBorderWidth(), 1E-2);
auto const& rLineGeometry = pAnnotation->getLineGeometry();
CPPUNIT_ASSERT_EQUAL(true, rLineGeometry.empty());
}
{
auto pAnnotation = pPage->getAnnotation(4);
CPPUNIT_ASSERT(pAnnotation);
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Circle, pAnnotation->getSubType());
CPPUNIT_ASSERT_EQUAL(0, pAnnotation->getObjectCount());
OUString aContentsString = pAnnotation->getString(vcl::pdf::constDictionaryKeyContents);
CPPUNIT_ASSERT_EQUAL(OUString("Ellipse Text"), aContentsString);
auto const& rLineGeometry = pAnnotation->getLineGeometry();
CPPUNIT_ASSERT_EQUAL(true, rLineGeometry.empty());
}
{
auto pAnnotation = pPage->getAnnotation(5);
CPPUNIT_ASSERT(pAnnotation);
CPPUNIT_ASSERT_EQUAL(vcl::pdf::PDFAnnotationSubType::Square, pAnnotation->getSubType());
CPPUNIT_ASSERT_EQUAL(0, pAnnotation->getObjectCount());
OUString aContentsString = pAnnotation->getString(vcl::pdf::constDictionaryKeyContents);
CPPUNIT_ASSERT_EQUAL(OUString("Rectangle Text"), aContentsString);
CPPUNIT_ASSERT_EQUAL(Color(0xFF, 0xE0, 0x00), pAnnotation->getColor());
CPPUNIT_ASSERT_EQUAL(false, pAnnotation->hasKey(vcl::pdf::constDictionaryKeyInteriorColor));
auto const& rLineGeometry = pAnnotation->getLineGeometry();
CPPUNIT_ASSERT_EQUAL(true, rLineGeometry.empty());
}
}
void PDFiumLibraryTest::testTools()
{
OUString sConverted = vcl::pdf::convertPdfDateToISO8601(u"D:20200612201322+02'00");
css::util::DateTime aDateTime;
CPPUNIT_ASSERT(utl::ISO8601parseDateTime(sConverted, aDateTime));
CPPUNIT_ASSERT_EQUAL(sal_Int16(2020), aDateTime.Year);
CPPUNIT_ASSERT_EQUAL(sal_uInt16(6), aDateTime.Month);
CPPUNIT_ASSERT_EQUAL(sal_uInt16(12), aDateTime.Day);
CPPUNIT_ASSERT_EQUAL(sal_uInt16(20), aDateTime.Hours);
CPPUNIT_ASSERT_EQUAL(sal_uInt16(13), aDateTime.Minutes);
CPPUNIT_ASSERT_EQUAL(sal_uInt16(22), aDateTime.Seconds);
CPPUNIT_ASSERT_EQUAL(sal_uInt32(0), aDateTime.NanoSeconds);
CPPUNIT_ASSERT_EQUAL(false, bool(aDateTime.IsUTC));
}
CPPUNIT_TEST_SUITE_REGISTRATION(PDFiumLibraryTest);
CPPUNIT_PLUGIN_IMPLEMENT();
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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