Unittests for bugs with 1bit images rendering problems

Fix was done in 25cd8436 and has
impact on tdf104141, tdf113918, tdf115297 and some others.

Change-Id: I8868dc1463b6f30b871a4f1b3129657f5bcb38f3
Reviewed-on: https://gerrit.libreoffice.org/51855Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>

vcl/CppunitTest_vcl_bitmap_render_test.mk

+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# 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/.
+#
+
+$(eval $(call gb_CppunitTest_CppunitTest,vcl_bitmap_render_test))
+
+$(eval $(call gb_CppunitTest_add_exception_objects,vcl_bitmap_render_test, \
+    vcl/qa/cppunit/bitmaprender/BitmapRenderTest \
+))
+
+$(eval $(call gb_CppunitTest_use_libraries,vcl_bitmap_render_test, \
+	comphelper \
+	cppu \
+	cppuhelper \
+	sal \
+	svt \
+	test \
+	tl \
+	unotest \
+	vcl \
+))
+
+$(eval $(call gb_CppunitTest_use_sdk_api,vcl_bitmap_render_test))
+
+$(eval $(call gb_CppunitTest_use_ure,vcl_bitmap_render_test))
+$(eval $(call gb_CppunitTest_use_vcl,vcl_bitmap_render_test))
+
+$(eval $(call gb_CppunitTest_use_externals,vcl_bitmap_render_test,boost_headers))
+
+$(eval $(call gb_CppunitTest_use_components,vcl_bitmap_render_test,\
+    configmgr/source/configmgr \
+    i18npool/util/i18npool \
+    ucb/source/core/ucb1 \
+))
+
+$(eval $(call gb_CppunitTest_use_configuration,vcl_bitmap_render_test))
+
+# vim: set noet sw=4 ts=4:

vcl/Module_vcl.mk

@@ -191,7 +191,8 @@ $(eval $(call gb_Module_add_check_targets,vcl,\
 	CppunitTest_vcl_jpeg_read_write_test \
 	CppunitTest_vcl_svm_test \
 	CppunitTest_vcl_pdfexport \
-    CppunitTest_vcl_errorhandler \
+	CppunitTest_vcl_errorhandler \
+	CppunitTest_vcl_bitmap_render_test \
 ))
 
 

vcl/qa/cppunit/bitmaprender/BitmapRenderTest.cxx

+/* -*- 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 <unotest/filters-test.hxx>
+#include <test/bootstrapfixture.hxx>
+
+#include <vcl/virdev.hxx>
+#include <vcl/salbtype.hxx>
+#include <vcl/bitmapaccess.hxx>
+#include <vcl/wrkwin.hxx>
+
+#include <tools/stream.hxx>
+#include <vcl/pngwrite.hxx>
+
+#include <vcl/graphicfilter.hxx>
+
+class BitmapRenderTest : public test::BootstrapFixture
+{
+    OUString maDataUrl;
+
+    OUString getFullUrl(const OUString& sFileName)
+    {
+        return m_directories.getURLFromSrc(maDataUrl) + sFileName;
+    }
+
+public:
+    BitmapRenderTest()
+        : BootstrapFixture(true, false)
+        , maDataUrl("/vcl/qa/cppunit/bitmaprender/data/")
+    {
+    }
+
+    void testTdf104141();
+    void testTdf113918();
+
+    CPPUNIT_TEST_SUITE(BitmapRenderTest);
+    CPPUNIT_TEST(testTdf104141);
+    CPPUNIT_TEST(testTdf113918);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+void BitmapRenderTest::testTdf104141()
+{
+    ScopedVclPtrInstance<VirtualDevice> pVDev;
+    pVDev->SetOutputSizePixel(Size(400, 400));
+    pVDev->SetBackground(Wallpaper(COL_GREEN));
+    pVDev->Erase();
+
+    // Load animated GIF and draw it on green background
+    GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
+    Graphic aGraphic;
+    const OUString aURL(getFullUrl("tdf104141.gif"));
+    SvFileStream aFileStream(aURL, StreamMode::READ);
+    ErrCode bResult = rFilter.ImportGraphic(aGraphic, aURL, aFileStream);
+    CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, bResult);
+    BitmapEx aBitmap = aGraphic.GetBitmapEx();
+    pVDev->DrawBitmapEx(Point(20, 20), aBitmap);
+
+    // Check drawing resuts: ensure that it contains transparent (green) pixels
+#if !defined MACOSX //TODO: on Mac colors are drifted, so exact compare fails
+    CPPUNIT_ASSERT_EQUAL(COL_GREEN, pVDev->GetPixel(Point(21, 21)));
+#endif
+}
+
+void BitmapRenderTest::testTdf113918()
+{
+    ScopedVclPtrInstance<VirtualDevice> pVDev;
+    pVDev->SetOutputSizePixel(Size(2480, 3508));
+    pVDev->SetBackground(Wallpaper(COL_GREEN));
+    pVDev->Erase();
+
+    GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
+    Graphic aGraphic;
+    const OUString aURL(getFullUrl("tdf113918.png"));
+    SvFileStream aFileStream(aURL, StreamMode::READ);
+    ErrCode bResult = rFilter.ImportGraphic(aGraphic, aURL, aFileStream);
+    CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, bResult);
+    BitmapEx aBitmap = aGraphic.GetBitmapEx();
+    pVDev->DrawBitmapEx(Point(0, 0), aBitmap);
+
+    // Ensure that image is drawn with gray color from palette
+    CPPUNIT_ASSERT_EQUAL(COL_WHITE, pVDev->GetPixel(Point(21, 21)));
+    CPPUNIT_ASSERT_EQUAL(Color(0x979797), pVDev->GetPixel(Point(1298, 1368)));
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(BitmapRenderTest);
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */