135 lines
6.2 KiB
C++
135 lines
6.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <test/unoapixml_test.hxx>
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using namespace ::com::sun::star;
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namespace
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{
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/// Covers tests for multi-color gradient (MCGR) feature, available since LO 7.6.0.
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class TestMCGR : public UnoApiXmlTest
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{
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public:
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TestMCGR()
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: UnoApiXmlTest(u"/oox/qa/unit/data/"_ustr)
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{
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}
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};
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CPPUNIT_TEST_FIXTURE(TestMCGR, testFontworkColorGradient)
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{
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// Given a document with three-color gradient on a Fontwork.
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loadFromFile(u"MCGR_FontworkColorGradient.fodp");
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// Save it to PPTX
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save(u"Impress Office Open XML"_ustr);
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// And make sure a multi-color gradient fill is exported.
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xmlDocUniquePtr pXmlDoc = parseExport(u"ppt/slides/slide1.xml"_ustr);
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// linear gradient with 30deg angle
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assertXPath(pXmlDoc, "//a:r/a:rPr/a:gradFill/a:lin", "ang", u"3600000");
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// three color stops, no transparency
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static constexpr OString sPath = "//a:r/a:rPr/a:gradFill/a:gsLst/"_ostr;
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assertXPath(pXmlDoc, sPath + "a:gs", 3);
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assertXPath(pXmlDoc, sPath + "a:gs[1]", "pos", u"0");
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assertXPath(pXmlDoc, sPath + "a:gs[1]/a:srgbClr", "val", u"ff1493");
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assertXPath(pXmlDoc, sPath + "a:gs[2]", "pos", u"30000");
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assertXPath(pXmlDoc, sPath + "a:gs[2]/a:srgbClr", "val", u"ffff00");
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assertXPath(pXmlDoc, sPath + "a:gs[3]", "pos", u"100000");
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assertXPath(pXmlDoc, sPath + "a:gs[3]/a:srgbClr", "val", u"00ffff");
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}
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CPPUNIT_TEST_FIXTURE(TestMCGR, testFontworkColorGradientWord)
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{
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// Fontwork is handled different in Word than in PowerPoint documents. So we need a separate
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// test for a text document.
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// Given a document with three-color gradient on a Fontwork.
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loadFromFile(u"MCGR_FontworkColorGradient.fodt");
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// Save it to DOCX
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save(u"Office Open XML Text"_ustr);
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// And make sure a multi-color gradient fill is exported.
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xmlDocUniquePtr pXmlDoc = parseExport(u"word/document.xml"_ustr);
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// linear gradient with 30deg angle
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assertXPath(pXmlDoc, "//w14:lin", "ang", u"3600000");
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// three color stops, no transparency
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static constexpr OString sPath = "//w14:gradFill/w14:gsLst/"_ostr;
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assertXPath(pXmlDoc, sPath + "w14:gs", 3);
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assertXPath(pXmlDoc, sPath + "w14:gs[1]", "pos", u"0");
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assertXPath(pXmlDoc, sPath + "w14:gs[1]/w14:srgbClr", "val", u"ff1493");
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assertXPath(pXmlDoc, sPath + "w14:gs[2]", "pos", u"30000");
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assertXPath(pXmlDoc, sPath + "w14:gs[2]/w14:srgbClr", "val", u"ffff00");
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assertXPath(pXmlDoc, sPath + "w14:gs[3]", "pos", u"100000");
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assertXPath(pXmlDoc, sPath + "w14:gs[3]/w14:srgbClr", "val", u"00ffff");
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}
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CPPUNIT_TEST_FIXTURE(TestMCGR, testTdf155825_SourcOffsetRangeDifferent)
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{
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// Color gradient has offset range [0,0.8] and transparency gradient has offset range [0,1].
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loadFromFile(u"tdf155825_MCGR_SourceOffsetRangeDifferent.fodp");
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// Save it to PPTX
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// Without fix, a debug-build would have crashed in oox/source/export/drawingml.cxx from
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// assert(false && "oox::WriteGradientFill: non-synchronized gradients (!)");
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save(u"Impress Office Open XML"_ustr);
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}
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CPPUNIT_TEST_FIXTURE(TestMCGR, testStepCount)
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{
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// Given a document with two-color gradient with StepCount 4.
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loadFromFile(u"tdf155852_MCGR_StepCount4.fodp");
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// Save it to PPTX
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save(u"Impress Office Open XML"_ustr);
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xmlDocUniquePtr pXmlDoc = parseExport(u"ppt/slides/slide1.xml"_ustr);
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// Without the fix the colors in the sections were wrong. And when opening a file with StepCount
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// and saving it immediately to pptx, a continuous gradient might be produced.
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static constexpr OString sPath = "//a:gradFill/a:gsLst/"_ostr;
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// The default way of load and save would have produced 2 stops, but we need start stop, end stop
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// and 3*2 inner stops.
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assertXPath(pXmlDoc, sPath + "a:gs", 8);
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// A sharp color changes needs a pair of two stops with same offset.
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assertXPath(pXmlDoc, sPath + "a:gs[@pos='25000']", 2);
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assertXPath(pXmlDoc, sPath + "a:gs[@pos='50000']", 2);
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assertXPath(pXmlDoc, sPath + "a:gs[@pos='75000']", 2);
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// Without fix the color was 808080.
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assertXPath(pXmlDoc, sPath + "a:gs[@pos='75000'][1]/a:srgbClr", "val", u"55aaaa");
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// Without fix the color was 40bfbf, producing a gradient in the last segment.
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assertXPath(pXmlDoc, sPath + "a:gs[@pos='75000'][2]/a:srgbClr", "val", u"00ffff");
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}
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CPPUNIT_TEST_FIXTURE(TestMCGR, testAxialColorLinearTrans)
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{
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// Given a document with a shape with axial color gradient from inside red to outside cyan and
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// two-stop linear transparency gradient from start 80% to end 0%.
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loadFromFile(u"tdf155827_MCGR_AxialColorLinearTrans.fodp");
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// Save it to PPTX
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save(u"Impress Office Open XML"_ustr);
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// OOXML has transparency together with color. Transparency is stored as opacity.
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// Expected: pos 0 #00ffff 20000, pos 50000 #ff0000 60000, pos 100000 #00ffff 100000.
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// Because of conversion through gray color the opacity values are not exact. If rounding
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// method will be changed, the test needs to be adjusted.
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xmlDocUniquePtr pXmlDoc = parseExport(u"ppt/slides/slide1.xml"_ustr);
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static constexpr OString sPath = "//a:gradFill/a:gsLst/"_ostr;
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assertXPath(pXmlDoc, sPath + "a:gs", 3);
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assertXPath(pXmlDoc, sPath + "a:gs[1]", "pos", u"0");
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assertXPath(pXmlDoc, sPath + "a:gs[1]/a:srgbClr", "val", u"00ffff");
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assertXPath(pXmlDoc, sPath + "a:gs[1]/a:srgbClr/a:alpha", "val", u"20000");
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assertXPath(pXmlDoc, sPath + "a:gs[2]", "pos", u"50000");
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assertXPath(pXmlDoc, sPath + "a:gs[2]/a:srgbClr", "val", u"ff0000");
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assertXPath(pXmlDoc, sPath + "a:gs[2]/a:srgbClr/a:alpha", "val", u"60396");
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assertXPath(pXmlDoc, sPath + "a:gs[3]", "pos", u"100000");
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assertXPath(pXmlDoc, sPath + "a:gs[3]/a:srgbClr", "val", u"00ffff");
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// no <a:alpha> element for default val="100000"
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assertXPath(pXmlDoc, sPath + "a:gs[3]/a:srgbClr/a:alpha", 0);
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}
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}
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CPPUNIT_PLUGIN_IMPLEMENT();
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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