filter/qa/unit/svg.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <sal/config.h>
  11
  12 #include <test/unoapixml_test.hxx>
  13
  14 #include <com/sun/star/frame/XStorable.hpp>
  15 #include <com/sun/star/io/XOutputStream.hpp>
  16 #include <com/sun/star/drawing/XShape.hpp>
  17 #include <com/sun/star/drawing/XDrawPagesSupplier.hpp>
  18 #include <com/sun/star/text/XTextRange.hpp>
  19 #include <com/sun/star/text/ControlCharacter.hpp>
  20 #include <com/sun/star/beans/XPropertySet.hpp>
  21
  22 #include <comphelper/propertyvalue.hxx>
  23 #include <unotools/streamwrap.hxx>
  24 #include <unotools/mediadescriptor.hxx>
  25 #include <tools/stream.hxx>
  26
  27 using namespace ::com::sun::star;
  28
  29 /// SVG filter tests.
  30 class SvgFilterTest : public UnoApiXmlTest
  31 {
  32 public:
  33     SvgFilterTest();
  34     void registerNamespaces(xmlXPathContextPtr& pXmlXpathCtx) override;
  35 };
  36
  37 SvgFilterTest::SvgFilterTest()
  38     : UnoApiXmlTest(u"/filter/qa/unit/data/"_ustr)
  39 {
  40 }
  41
  42 void SvgFilterTest::registerNamespaces(xmlXPathContextPtr& pXmlXpathCtx)
  43 {
  44     xmlXPathRegisterNs(pXmlXpathCtx, BAD_CAST("svg"), BAD_CAST("http://www.w3.org/2000/svg"));
  45 }
  46
  47 CPPUNIT_TEST_FIXTURE(SvgFilterTest, testPreserveJpg)
  48 {
  49 // On Windows, SVGFilter::filterWriterOrCalc can't get current frame to obtain selection
  50 #if !defined(MACOSX) && !defined(_WIN32)
  51     // Load a document with a jpeg image in it.
  52     loadFromFile(u"preserve-jpg.odt");
  53
  54     // Select the image.
  55     dispatchCommand(mxComponent, u".uno:JumpToNextFrame"_ustr, {});
  56
  57     // Export the selection to SVG.
  58     saveWithParams({
  59         comphelper::makePropertyValue(u"FilterName"_ustr, u"writer_svg_Export"_ustr),
  60         comphelper::makePropertyValue(u"SelectionOnly"_ustr, true),
  61     });
  62
  63     // Make sure that the original JPG data is reused and we don't perform a PNG re-compress.
  64     xmlDocUniquePtr pXmlDoc = parseExportedFile();
  65     OUString aAttributeValue = getXPath(pXmlDoc, "//svg:image", "href");
  66
  67     // Without the accompanying fix in place, this test would have failed with:
  68     // - Expression: aAttributeValue.startsWith("data:image/jpeg")
  69     // i.e. the SVG export result re-compressed the image as PNG, even if the original and the
  70     // transformed image is the same, so there is no need for that.
  71     CPPUNIT_ASSERT(aAttributeValue.startsWith("data:image/jpeg"));
  72 #endif
  73 }
  74
  75 CPPUNIT_TEST_FIXTURE(SvgFilterTest, testSemiTransparentLine)
  76 {
  77     // Load a document with a semi-transparent line shape.
  78     loadFromFile(u"semi-transparent-line.odg");
  79
  80     // Export it to SVG.
  81     save(u"draw_svg_Export"_ustr);
  82
  83     // Get the style of the group around the actual <path> element.
  84     xmlDocUniquePtr pXmlDoc = parseExportedFile();
  85     OUString aStyle = getXPath(
  86         pXmlDoc, "//svg:g[@class='com.sun.star.drawing.LineShape']/svg:g/svg:g", "style");
  87     // Without the accompanying fix in place, this test would have failed, as the style was
  88     // "mask:url(#mask1)", not "opacity: <value>".
  89     CPPUNIT_ASSERT(aStyle.startsWith("opacity: ", &aStyle));
  90     int nPercent = std::round(aStyle.toDouble() * 100);
  91     // Make sure that the line is still 30% opaque, rather than completely invisible.
  92     CPPUNIT_ASSERT_EQUAL(30, nPercent);
  93 }
  94
  95 CPPUNIT_TEST_FIXTURE(SvgFilterTest, testSemiTransparentFillWithTransparentLine)
  96 {
  97     // Load a document with a shape with semi-transparent fill and line
  98     loadFromFile(u"semi-transparent-fill.odg");
  99
 100     // Export it to SVG.
 101     save(u"draw_svg_Export"_ustr);
 102
 103     // Get the style of the group around the actual <path> element.
 104     xmlDocUniquePtr pXmlDoc = parseExportedFile();
 105     OUString aStyle = getXPath(
 106         pXmlDoc, "//svg:g[@class='com.sun.star.drawing.EllipseShape']/svg:g/svg:g", "style");
 107     CPPUNIT_ASSERT(aStyle.startsWith("opacity: ", &aStyle));
 108     int nPercent = std::round(aStyle.toDouble() * 100);
 109     // Make sure that the line is still 50% opaque
 110     CPPUNIT_ASSERT_EQUAL(50, nPercent);
 111
 112     // Get the stroke of the fill of the EllipseShape (it must be "none")
 113     OUString aStroke = getXPath(
 114         pXmlDoc, "//svg:g[@class='com.sun.star.drawing.EllipseShape']/svg:g/svg:path", "stroke");
 115     // Without the accompanying fix in place, this test would have failed, as the stroke was
 116     // "rgb(255,255,255)", not "none".
 117     CPPUNIT_ASSERT_EQUAL(u"none"_ustr, aStroke);
 118 }
 119
 120 CPPUNIT_TEST_FIXTURE(SvgFilterTest, testSemiTransparentText)
 121 {
 122     // Two shapes, one with transparent text and the other one with
 123     // opaque text. We expect both to be exported to the SVG with the
 124     // correct transparency factor applied for the first shape.
 125
 126     // Load draw document with transparent text in one box
 127     loadFromFile(u"TransparentText.odg");
 128
 129     // Export to SVG.
 130     save(u"draw_svg_Export"_ustr);
 131
 132     xmlDocUniquePtr pXmlDoc = parseExportedFile();
 133     // We expect 2 groups of class "TextShape" that
 134     // have some svg:text node inside.
 135     // Without the accompanying fix in place, this test would have failed with:
 136     // - Expected: 2
 137     // - Actual  : 1
 138     // i.e. the 2nd shape lots its text.
 139
 140     assertXPath(pXmlDoc, "//svg:g[@class='TextShape']//svg:text", 2);
 141
 142     // First shape has semi-transparent text.
 143     assertXPath(pXmlDoc, "//svg:text[1]/svg:tspan/svg:tspan/svg:tspan[@fill-opacity='0.8']");
 144
 145     // Second shape has normal text.
 146     assertXPath(pXmlDoc, "//svg:text[2]/svg:tspan/svg:tspan/svg:tspan[@fill-opacity]", 0);
 147 }
 148
 149 CPPUNIT_TEST_FIXTURE(SvgFilterTest, testSemiTransparentMultiParaText)
 150 {
 151     // Given a shape with semi-transparent, multi-paragraph text:
 152     loadFromURL(u"private:factory/simpress"_ustr);
 153     uno::Reference<lang::XMultiServiceFactory> xFactory(mxComponent, uno::UNO_QUERY);
 154     uno::Reference<drawing::XShape> xShape(
 155         xFactory->createInstance(u"com.sun.star.drawing.TextShape"_ustr), uno::UNO_QUERY);
 156     uno::Reference<drawing::XDrawPagesSupplier> xDrawPagesSupplier(mxComponent, uno::UNO_QUERY);
 157     uno::Reference<drawing::XShapes> xDrawPage(xDrawPagesSupplier->getDrawPages()->getByIndex(0),
 158                                                uno::UNO_QUERY);
 159     xDrawPage->add(xShape);
 160     xShape->setSize(awt::Size(10000, 10000));
 161     uno::Reference<text::XSimpleText> xShapeText(xShape, uno::UNO_QUERY);
 162     uno::Reference<text::XTextCursor> xCursor = xShapeText->createTextCursor();
 163     xShapeText->insertString(xCursor, u"foo"_ustr, /*bAbsorb=*/false);
 164     xShapeText->insertControlCharacter(xCursor, text::ControlCharacter::APPEND_PARAGRAPH,
 165                                        /*bAbsorb=*/false);
 166     xShapeText->insertString(xCursor, u"bar"_ustr, /*bAbsorb=*/false);
 167     uno::Reference<beans::XPropertySet> xShapeProps(xShape, uno::UNO_QUERY);
 168     xShapeProps->setPropertyValue(u"CharColor"_ustr, uno::Any(static_cast<sal_Int32>(0xff0000)));
 169     xShapeProps->setPropertyValue(u"CharTransparence"_ustr, uno::Any(static_cast<sal_Int16>(20)));
 170
 171     // When exporting to SVG:
 172     save(u"draw_svg_Export"_ustr);
 173
 174     // Then make sure that the two semi-transparent paragraphs have the same X position:
 175     xmlDocUniquePtr pXmlDoc = parseExportedFile();
 176     assertXPath(pXmlDoc, "(//svg:g[@class='TextShape']//svg:tspan[@class='TextPosition'])[1]", "x",
 177                 u"250");
 178     assertXPath(pXmlDoc,
 179                 "(//svg:g[@class='TextShape']//svg:tspan[@class='TextPosition'])[1]/svg:tspan",
 180                 "fill-opacity", u"0.8");
 181     // Without the accompanying fix in place, this test would have failed with:
 182     // - Expected: 250
 183     // - Actual  : 8819
 184     // i.e. the X position of the second paragraph was wrong.
 185     assertXPath(pXmlDoc, "(//svg:g[@class='TextShape']//svg:tspan[@class='TextPosition'])[2]", "x",
 186                 u"250");
 187     assertXPath(pXmlDoc,
 188                 "(//svg:g[@class='TextShape']//svg:tspan[@class='TextPosition'])[2]/svg:tspan",
 189                 "fill-opacity", u"0.8");
 190 }
 191
 192 CPPUNIT_TEST_FIXTURE(SvgFilterTest, testShapeNographic)
 193 {
 194     // Load a document containing a 3D shape.
 195     loadFromFile(u"shape-nographic.odp");
 196
 197     // Export to SVG.
 198     uno::Reference<frame::XStorable> xStorable(mxComponent, uno::UNO_QUERY_THROW);
 199     SvMemoryStream aStream;
 200     uno::Reference<io::XOutputStream> xOut = new utl::OOutputStreamWrapper(aStream);
 201     utl::MediaDescriptor aMediaDescriptor;
 202     aMediaDescriptor[u"FilterName"_ustr] <<= u"impress_svg_Export"_ustr;
 203     aMediaDescriptor[u"OutputStream"_ustr] <<= xOut;
 204
 205     // Without the accompanying fix in place, this test would have failed with:
 206     // An uncaught exception of type com.sun.star.io.IOException
 207     // - SfxBaseModel::impl_store <private:stream> failed: 0xc10(Error Area:Io Class:Write Code:16)
 208     xStorable->storeToURL(u"private:stream"_ustr, aMediaDescriptor.getAsConstPropertyValueList());
 209 }
 210
 211 CPPUNIT_TEST_FIXTURE(SvgFilterTest, testCustomBullet)
 212 {
 213     // Given a presentation with a custom bullet:
 214     loadFromFile(u"custom-bullet.fodp");
 215
 216     // When exporting that to SVG:
 217     save(u"impress_svg_Export"_ustr);
 218
 219     // Then make sure the bullet glyph is not lost:
 220     xmlDocUniquePtr pXmlDoc = parseExportedFile();
 221     // Without the accompanying fix in place, this test would have failed with:
 222     // - Expected: 1
 223     // - Actual  : 0
 224     // - XPath '//svg:g[@class='BulletChars']//svg:path' number of nodes is incorrect
 225     // i.e. the custom bullet used '<use transform="scale(285,285)"
 226     // xlink:href="#bullet-char-template-45"/>', but nobody produced a bullet-char-template-45,
 227     // instead we need the path of the glyph inline.
 228     CPPUNIT_ASSERT(!getXPath(pXmlDoc, "//svg:g[@class='BulletChars']//svg:path", "d").isEmpty());
 229 }
 230
 231 CPPUNIT_TEST_FIXTURE(SvgFilterTest, attributeRedefinedTest)
 232 {
 233     // Load document containing empty paragraphs with ids.
 234     loadFromFile(u"attributeRedefinedTest.odp");
 235
 236     // Export to SVG.
 237     save(u"impress_svg_Export"_ustr);
 238
 239     xmlDocUniquePtr pXmlDoc = parseExportedFile();
 240     // We expect four paragraph
 241     // 2 empty paragraphs with ids
 242     // 2 paragraphs with text
 243     // Without the accompanying fix the test would have failed with
 244     // Expected : 4
 245     // Actual : 2
 246     // i.e. 2 of the empty paragraph do not get generated even if there
 247     // is id imported for the paragraphs
 248     // If we don't create the empty paragraphs the id attribute gets redefined like this:
 249     // <tspan id="id14" id="id15" id="id17" class="TextParagraph" font-family="Bahnschrift Light" font-size="1129px" font-weight="400">
 250
 251     OString xPath = "//svg:g[@class='TextShape']//svg:text[@class='SVGTextShape']//"
 252                     "svg:tspan[@class='TextParagraph']"_ostr;
 253     assertXPath(pXmlDoc, xPath, 4);
 254
 255     //assert that each tspan element with TextParagraph class has id and the tspan element of
 256     //each empty paragraph does not contain tspan element with class TextPosition
 257     assertXPath(pXmlDoc, xPath + "[1]", "id", u"id4");
 258     assertXPath(pXmlDoc, xPath + "[2]", "id", u"id5");
 259     assertXPath(pXmlDoc, xPath + "[2]//svg:tspan[@class='TextPosition']", 0);
 260     assertXPath(pXmlDoc, xPath + "[3]", "id", u"id6");
 261     assertXPath(pXmlDoc, xPath + "[3]//svg:tspan[@class='TextPosition']", 0);
 262     assertXPath(pXmlDoc, xPath + "[4]", "id", u"id7");
 263 }
 264
 265 CPPUNIT_TEST_FIXTURE(SvgFilterTest, testTab)
 266 {
 267     // Given a shape with "A\tB" text:
 268     loadFromURL(u"private:factory/simpress"_ustr);
 269     uno::Reference<lang::XMultiServiceFactory> xFactory(mxComponent, uno::UNO_QUERY);
 270     uno::Reference<drawing::XShape> xShape(
 271         xFactory->createInstance(u"com.sun.star.drawing.TextShape"_ustr), uno::UNO_QUERY);
 272     uno::Reference<drawing::XDrawPagesSupplier> xDrawPagesSupplier(mxComponent, uno::UNO_QUERY);
 273     uno::Reference<drawing::XShapes> xDrawPage(xDrawPagesSupplier->getDrawPages()->getByIndex(0),
 274                                                uno::UNO_QUERY);
 275     xDrawPage->add(xShape);
 276     xShape->setSize(awt::Size(10000, 10000));
 277     uno::Reference<text::XTextRange> xShapeText(xShape, uno::UNO_QUERY);
 278     xShapeText->setString(u"A\tB"_ustr);
 279
 280     // When exporting that document to SVG:
 281     save(u"impress_svg_Export"_ustr);
 282
 283     // Then make sure the tab is not lost:
 284     xmlDocUniquePtr pXmlDoc = parseExportedFile();
 285     // Without the accompanying fix in place, this test would have failed with:
 286     // - Expected: 2
 287     // - Actual  : 1
 288     // i.e. the 2nd text portion was not positioned, which looked as if the tab is lost.
 289     assertXPath(pXmlDoc, "//svg:g[@class='TextShape']//svg:tspan[@class='TextPosition']", 2);
 290 }
 291
 292 CPPUNIT_TEST_FIXTURE(SvgFilterTest, textInImage)
 293 {
 294     // Load document containing empty paragraphs with ids.
 295     loadFromFile(u"text-in-image.odp");
 296
 297     // Export to SVG.
 298     save(u"impress_svg_Export"_ustr);
 299
 300     xmlDocUniquePtr pXmlDoc = parseExportedFile();
 301
 302     // We expect the Graphic to have an image and a text
 303     assertXPath(pXmlDoc, "//svg:g[@class='Graphic']//svg:image", 1);
 304     assertXPath(pXmlDoc, "//svg:g[@class='Graphic']//svg:text", 1);
 305     // Without the accompanying fix, this test would have failed with:
 306     // - Expected: 1
 307     // - Actual  : 0
 308 }
 309
 310 CPPUNIT_TEST_FIXTURE(SvgFilterTest, testSemiTransparentTextBullet)
 311 {
 312     // Given a document with 3 paragraphs, paragraph 2 is a bullet with 80% opacity.
 313     loadFromFile(u"semi-transparent-text-bullet.odg");
 314
 315     // When exporting to SVG:
 316     save(u"draw_svg_Export"_ustr);
 317
 318     // Then make sure the result is correct:
 319     xmlDocUniquePtr pXmlDoc = parseExportedFile();
 320     // We have 3 paragraphs.
 321     assertXPath(pXmlDoc, "//svg:g[@class='TextShape']//svg:text/svg:tspan", 3);
 322     // Paragraph 1 has no spans with text opacity set.
 323     assertXPath(pXmlDoc,
 324                 "(//svg:g[@class='TextShape']//svg:text/svg:tspan)[1]/svg:tspan/"
 325                 "svg:tspan[@fill-opacity='0.8']",
 326                 0);
 327     // Paragraph 2 has a span with text opacity set to 80%.
 328     assertXPath(pXmlDoc,
 329                 "(//svg:g[@class='TextShape']//svg:text/svg:tspan)[2]/svg:tspan/"
 330                 "svg:tspan[@fill-opacity='0.8']",
 331                 1);
 332     // Paragraph 3 has no spans with text opacity set.
 333     assertXPath(pXmlDoc,
 334                 "(//svg:g[@class='TextShape']//svg:text/svg:tspan)[3]/svg:tspan/"
 335                 "svg:tspan[@fill-opacity='0.8']",
 336                 0);
 337 }
 338
 339 CPPUNIT_TEST_FIXTURE(SvgFilterTest, testMapModeText)
 340 {
 341     loadFromFile(u"YAxis.odg");
 342
 343     // Export to SVG.
 344     save(u"draw_svg_Export"_ustr);
 345
 346     xmlDocUniquePtr pXmlDoc = parseExportedFile();
 347
 348     OUString sTransform
 349         = getXPath(pXmlDoc, "(//svg:text[@class='SVGTextShape'])[last()]", "transform");
 350
 351     OUString aTextPositionX
 352         = getXPath(pXmlDoc, "(//svg:tspan[@class='TextPosition'])[last()]", "x");
 353     OUString aTextPositionY
 354         = getXPath(pXmlDoc, "(//svg:tspan[@class='TextPosition'])[last()]", "y");
 355
 356     OUString sExpectedTransform("rotate(-90 " + aTextPositionX + " " + aTextPositionY + ")");
 357
 358     // We expect the rotate point of the rotated text to match the start position of the text
 359     CPPUNIT_ASSERT_EQUAL(sExpectedTransform, sTransform);
 360     // Without the accompanying fix, this test would have failed with:
 361     // - Expected: rotate(-90 3386 14754)
 362     // - Actual  : rotate(-90 -1651 14488)
 363     // Because the (local) MapMode wasn't taken into account for the text position when peeking
 364     // ahead to get the rotation.
 365 }
 366
 367 CPPUNIT_TEST_FIXTURE(SvgFilterTest, testTdf91315)
 368 {
 369     // Load a presentation containing RTL text
 370     loadFromFile(u"tdf91315.fodp");
 371
 372     save(u"impress_svg_Export"_ustr);
 373
 374     xmlDocUniquePtr pXmlDoc = parseExportedFile();
 375
 376     assertXPath(pXmlDoc, "//svg:text[@direction='rtl']", 1);
 377     // Without the accompanying fix, this test would have failed with:
 378     // - Expected: 1
 379     // - Actual  : 0
 380 }
 381
 382 CPPUNIT_PLUGIN_IMPLEMENT();
 383
 384 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */