Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 135 insertions, 0 deletions

diff --git a/oox/qa/unit/mcgr.cxx b/oox/qa/unit/mcgr.cxx
new file mode 100644
index 0000000000..edb9b9bf76
--- /dev/null
+++ b/oox/qa/unit/mcgr.cxx
@@ -0,0 +1,135 @@
+/* -*- 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 <test/unoapixml_test.hxx>
+
+using namespace ::com::sun::star;
+
+namespace
+{
+/// Covers tests for multi-color gradient (MCGR) feature, available since LO 7.6.0.
+class TestMCGR : public UnoApiXmlTest
+{
+public:
+    TestMCGR()
+        : UnoApiXmlTest("/oox/qa/unit/data/")
+    {
+    }
+};
+
+CPPUNIT_TEST_FIXTURE(TestMCGR, testFontworkColorGradient)
+{
+    // Given a document with three-color gradient on a Fontwork.
+    loadFromFile(u"MCGR_FontworkColorGradient.fodp");
+    // Save it to PPTX
+    save("Impress Office Open XML");
+    // And make sure a multi-color gradient fill is exported.
+    xmlDocUniquePtr pXmlDoc = parseExport("ppt/slides/slide1.xml");
+    // linear gradient with 30deg angle
+    assertXPath(pXmlDoc, "//a:r/a:rPr/a:gradFill/a:lin"_ostr, "ang"_ostr, "3600000");
+    // three color stops, no transparency
+    static constexpr OString sPath = "//a:r/a:rPr/a:gradFill/a:gsLst/"_ostr;
+    assertXPath(pXmlDoc, sPath + "a:gs", 3);
+    assertXPath(pXmlDoc, sPath + "a:gs[1]", "pos"_ostr, "0");
+    assertXPath(pXmlDoc, sPath + "a:gs[1]/a:srgbClr", "val"_ostr, "ff1493");
+    assertXPath(pXmlDoc, sPath + "a:gs[2]", "pos"_ostr, "30000");
+    assertXPath(pXmlDoc, sPath + "a:gs[2]/a:srgbClr", "val"_ostr, "ffff00");
+    assertXPath(pXmlDoc, sPath + "a:gs[3]", "pos"_ostr, "100000");
+    assertXPath(pXmlDoc, sPath + "a:gs[3]/a:srgbClr", "val"_ostr, "00ffff");
+}
+
+CPPUNIT_TEST_FIXTURE(TestMCGR, testFontworkColorGradientWord)
+{
+    // Fontwork is handled different in Word than in PowerPoint documents. So we need a separate
+    // test for a text document.
+    // Given a document with three-color gradient on a Fontwork.
+    loadFromFile(u"MCGR_FontworkColorGradient.fodt");
+    // Save it to DOCX
+    save("Office Open XML Text");
+    // And make sure a multi-color gradient fill is exported.
+    xmlDocUniquePtr pXmlDoc = parseExport("word/document.xml");
+    // linear gradient with 30deg angle
+    assertXPath(pXmlDoc, "//w14:lin"_ostr, "ang"_ostr, "3600000");
+    // three color stops, no transparency
+    static constexpr OString sPath = "//w14:gradFill/w14:gsLst/"_ostr;
+    assertXPath(pXmlDoc, sPath + "w14:gs", 3);
+    assertXPath(pXmlDoc, sPath + "w14:gs[1]", "pos"_ostr, "0");
+    assertXPath(pXmlDoc, sPath + "w14:gs[1]/w14:srgbClr", "val"_ostr, "ff1493");
+    assertXPath(pXmlDoc, sPath + "w14:gs[2]", "pos"_ostr, "30000");
+    assertXPath(pXmlDoc, sPath + "w14:gs[2]/w14:srgbClr", "val"_ostr, "ffff00");
+    assertXPath(pXmlDoc, sPath + "w14:gs[3]", "pos"_ostr, "100000");
+    assertXPath(pXmlDoc, sPath + "w14:gs[3]/w14:srgbClr", "val"_ostr, "00ffff");
+}
+
+CPPUNIT_TEST_FIXTURE(TestMCGR, testTdf155825_SourcOffsetRangeDifferent)
+{
+    // Color gradient has offset range [0,0.8] and transparency gradient has offset range [0,1].
+    loadFromFile(u"tdf155825_MCGR_SourceOffsetRangeDifferent.fodp");
+    // Save it to PPTX
+    // Without fix, a debug-build would have crashed in oox/source/export/drawingml.cxx from
+    // assert(false && "oox::WriteGradientFill: non-synchronized gradients (!)");
+    save("Impress Office Open XML");
+}
+
+CPPUNIT_TEST_FIXTURE(TestMCGR, testStepCount)
+{
+    // Given a document with two-color gradient with StepCount 4.
+    loadFromFile(u"tdf155852_MCGR_StepCount4.fodp");
+    // Save it to PPTX
+    save("Impress Office Open XML");
+    xmlDocUniquePtr pXmlDoc = parseExport("ppt/slides/slide1.xml");
+
+    // Without the fix the colors in the sections were wrong. And when opening a file with StepCount
+    // and saving it immediately to pptx, a continuous gradient might be produced.
+
+    static constexpr OString sPath = "//a:gradFill/a:gsLst/"_ostr;
+    // The default way of load and save would have produced 2 stops, but we need start stop, end stop
+    // and 3*2 inner stops.
+    assertXPath(pXmlDoc, sPath + "a:gs", 8);
+    // A sharp color changes needs a pair of two stops with same offset.
+    assertXPath(pXmlDoc, sPath + "a:gs[@pos='25000']", 2);
+    assertXPath(pXmlDoc, sPath + "a:gs[@pos='50000']", 2);
+    assertXPath(pXmlDoc, sPath + "a:gs[@pos='75000']", 2);
+    // Without fix the color was 808080.
+    assertXPath(pXmlDoc, sPath + "a:gs[@pos='75000'][1]/a:srgbClr", "val"_ostr, "55aaaa");
+    // Without fix the color was 40bfbf, producing a gradient in the last segment.
+    assertXPath(pXmlDoc, sPath + "a:gs[@pos='75000'][2]/a:srgbClr", "val"_ostr, "00ffff");
+}
+
+CPPUNIT_TEST_FIXTURE(TestMCGR, testAxialColorLinearTrans)
+{
+    // Given a document with a shape with axial color gradient from inside red to outside cyan and
+    // two-stop linear transparency gradient from start 80% to end 0%.
+    loadFromFile(u"tdf155827_MCGR_AxialColorLinearTrans.fodp");
+    // Save it to PPTX
+    save("Impress Office Open XML");
+    // OOXML has transparency together with color. Transparency is stored as opacity.
+    // Expected: pos 0 #00ffff 20000, pos 50000 #ff0000 60000, pos 100000 #00ffff 100000.
+    // Because of conversion through gray color the opacity values are not exact. If rounding
+    // method will be changed, the test needs to be adjusted.
+
+    xmlDocUniquePtr pXmlDoc = parseExport("ppt/slides/slide1.xml");
+    static constexpr OString sPath = "//a:gradFill/a:gsLst/"_ostr;
+    assertXPath(pXmlDoc, sPath + "a:gs", 3);
+    assertXPath(pXmlDoc, sPath + "a:gs[1]", "pos"_ostr, "0");
+    assertXPath(pXmlDoc, sPath + "a:gs[1]/a:srgbClr", "val"_ostr, "00ffff");
+    assertXPath(pXmlDoc, sPath + "a:gs[1]/a:srgbClr/a:alpha", "val"_ostr, "20000");
+    assertXPath(pXmlDoc, sPath + "a:gs[2]", "pos"_ostr, "50000");
+    assertXPath(pXmlDoc, sPath + "a:gs[2]/a:srgbClr", "val"_ostr, "ff0000");
+    assertXPath(pXmlDoc, sPath + "a:gs[2]/a:srgbClr/a:alpha", "val"_ostr, "60396");
+    assertXPath(pXmlDoc, sPath + "a:gs[3]", "pos"_ostr, "100000");
+    assertXPath(pXmlDoc, sPath + "a:gs[3]/a:srgbClr", "val"_ostr, "00ffff");
+    // no <a:alpha> element for default val="100000"
+    assertXPath(pXmlDoc, sPath + "a:gs[3]/a:srgbClr/a:alpha", 0);
+}
+}
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */