Remove BitmapFilterStackBlur, which is unused...

...ever since it got introduced with 28c61871e876e6a2cac47439f768504b1a4c94a0
"vcl: stack blur implementation + basic test & performance test"

Change-Id: I78672cf74c24930df92121baecb9886df4382036

1 files changed, 0 insertions, 175 deletions

diff --git a/vcl/qa/cppunit/BitmapFilterTest.cxx b/vcl/qa/cppunit/BitmapFilterTest.cxx
deleted file mode 100644
index ade5acbc6271..000000000000
--- a/vcl/qa/cppunit/BitmapFilterTest.cxx
+++ /dev/null
@@ -1,175 +0,0 @@
-/* -*- 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 <cppunit/TestAssert.h>
-#include <cppunit/TestFixture.h>
-#include <cppunit/extensions/HelperMacros.h>
-#include <cppunit/plugin/TestPlugIn.h>
-
-#include <vcl/bitmap.hxx>
-#include <vcl/bmpacc.hxx>
-
-#include <tools/stream.hxx>
-#include <vcl/graphicfilter.hxx>
-
-#include <vcl/BitmapFilterStackBlur.hxx>
-#include "BitmapSymmetryCheck.hxx"
-
-#include <chrono>
-
-namespace
-{
-
-const bool constWriteResultBitmap(false);
-const bool constEnablePerformanceTest(false);
-
-class BitmapFilterTest : public CppUnit::TestFixture
-{
-
-    void testBlurCorrectness();
-    void testPerformance();
-
-    CPPUNIT_TEST_SUITE(BitmapFilterTest);
-    CPPUNIT_TEST(testBlurCorrectness);
-    CPPUNIT_TEST(testPerformance);
-    CPPUNIT_TEST_SUITE_END();
-};
-
-void BitmapFilterTest::testBlurCorrectness()
-{
-    // Setup test bitmap
-    Size aSize(41, 31);
-    Bitmap aBitmap24Bit(aSize, 24);
-
-    sal_uLong nScanlineFormat = 0;
-    sal_uInt16 nBPP = aBitmap24Bit.GetBitCount();
-
-    {
-        long aMargin1 = 1;
-        long aMargin2 = 3;
-        Bitmap::ScopedWriteAccess aWriteAccess(aBitmap24Bit);
-        nScanlineFormat = aWriteAccess->GetScanlineFormat();
-        aWriteAccess->Erase(COL_WHITE);
-        aWriteAccess->SetLineColor(COL_BLACK);
-
-        Rectangle aRectangle1(
-                    aMargin1,
-                    aMargin1,
-                    aSize.Width() - 1 - aMargin1,
-                    aSize.Height() - 1 - aMargin1);
-
-        Rectangle aRectangle2(
-                    aMargin2,
-                    aMargin2,
-                    aSize.Width() - 1 - aMargin2,
-                    aSize.Height() - 1 - aMargin2);
-
-        Rectangle aRectangle3(
-                    aSize.Width()  / 2,
-                    aSize.Height() / 2,
-                    aSize.Width()  / 2,
-                    aSize.Height() / 2);
-
-        aWriteAccess->DrawRect(aRectangle1);
-        aWriteAccess->DrawRect(aRectangle2);
-        aWriteAccess->DrawRect(aRectangle3);
-    }
-
-    if (constWriteResultBitmap)
-    {
-        SvFileStream aStream(OUString("~/blurBefore.png"), StreamMode::WRITE | StreamMode::TRUNC);
-        GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
-        rFilter.compressAsPNG(aBitmap24Bit, aStream, 1);
-    }
-
-    // Perform blur
-    BitmapFilterStackBlur aBlurFilter(2);
-    aBlurFilter.filter(aBitmap24Bit);
-
-    // Check the result
-
-    if (constWriteResultBitmap)
-    {
-        SvFileStream aStream(OUString("~/blurAfter.png"), StreamMode::WRITE | StreamMode::TRUNC);
-        GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
-        rFilter.compressAsPNG(aBitmap24Bit, aStream, 1);
-    }
-
-    // Check blurred bitmap parameters
-    CPPUNIT_ASSERT_EQUAL(static_cast<long>(45), aBitmap24Bit.GetSizePixel().Width());
-    CPPUNIT_ASSERT_EQUAL(static_cast<long>(35), aBitmap24Bit.GetSizePixel().Height());
-
-    CPPUNIT_ASSERT_EQUAL(nBPP, aBitmap24Bit.GetBitCount());
-
-    // Check that the bitmap is horizontally and vertically symmetrical
-    BitmapSymmetryCheck symmetryCheck;
-    CPPUNIT_ASSERT(BitmapSymmetryCheck::check(aBitmap24Bit));
-
-    {
-        Bitmap::ScopedReadAccess aReadAccess(aBitmap24Bit);
-        CPPUNIT_ASSERT_EQUAL(nScanlineFormat, aReadAccess->GetScanlineFormat());
-    }
-}
-
-void BitmapFilterTest::testPerformance()
-{
-    if (!constEnablePerformanceTest)
-        return;
-
-    Size aSize(4000, 3000); // A rather common picture size
-
-    // Prepare bitmap
-    Bitmap aBigBitmap(aSize, 24);
-    {
-        long aMargin = 500;
-        Bitmap::ScopedWriteAccess aWriteAccess(aBigBitmap);
-        aWriteAccess->Erase(COL_WHITE);
-        aWriteAccess->SetLineColor(COL_BLACK);
-        aWriteAccess->SetFillColor(COL_BLACK);
-        Rectangle aRectangle(
-                    aMargin,
-                    aMargin,
-                    aSize.Width() - 1 - aMargin,
-                    aSize.Height() - 1 - aMargin);
-
-        aWriteAccess->DrawRect(aRectangle);
-    }
-
-    int nIterations = 10;
-    auto start = std::chrono::high_resolution_clock::now();
-    for (int i = 0; i < nIterations; i++)
-    {
-        {
-            BitmapFilterStackBlur aBlurFilter(250, false); // don't extend the image
-            aBlurFilter.filter(aBigBitmap);
-        }
-    }
-    auto end = std::chrono::high_resolution_clock::now();
-    auto elapsed = (end - start) / nIterations;
-
-    if (constWriteResultBitmap)
-    {
-        std::unique_ptr<SvFileStream> pStream(
-            new SvFileStream(OUString("~/BlurBigPerformance.png"), StreamMode::WRITE | StreamMode::TRUNC));
-        GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
-        rFilter.compressAsPNG(aBigBitmap, *pStream, 1);
-
-        pStream.reset(
-            new SvFileStream(OUString("~/BlurBigPerformance.txt"), StreamMode::WRITE));
-        pStream->WriteOString(OString("Blur average time: "));
-        pStream->WriteOString(OString::number(std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count()));
-        pStream->WriteOString(OString("\n"));
-    }
-}
-
-} // namespace
-
-CPPUNIT_TEST_SUITE_REGISTRATION(BitmapFilterTest);
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */