bbfe529972
We don't use 4-bit bitmap anymore and haven't for a long time. Change-Id: I00b55a82df4609fbddd50b35f67e338e06f02c4c Reviewed-on: https://gerrit.libreoffice.org/c/core/+/164754 Tested-by: Jenkins Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
185 lines
6 KiB
C++
185 lines
6 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 <cppunit/TestAssert.h>
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#include <cppunit/TestFixture.h>
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#include <cppunit/extensions/HelperMacros.h>
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#include <bitmap/ScanlineTools.hxx>
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namespace
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{
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class ScanlineToolsTest : public CppUnit::TestFixture
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{
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void ScanlineTransformer_32_ARGB();
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void ScanlineTransformer_24_BGR();
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void ScanlineTransformer_8bit_Palette();
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void ScanlineTransformer_1bit_Palette();
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CPPUNIT_TEST_SUITE(ScanlineToolsTest);
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CPPUNIT_TEST(ScanlineTransformer_32_ARGB);
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CPPUNIT_TEST(ScanlineTransformer_24_BGR);
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CPPUNIT_TEST(ScanlineTransformer_8bit_Palette);
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CPPUNIT_TEST(ScanlineTransformer_1bit_Palette);
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CPPUNIT_TEST_SUITE_END();
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};
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void ScanlineToolsTest::ScanlineTransformer_32_ARGB()
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{
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BitmapPalette aPalette;
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std::unique_ptr<vcl::bitmap::ScanlineTransformer> pScanlineTransformer
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= vcl::bitmap::getScanlineTransformer(32, aPalette);
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std::vector<sal_uInt8> aScanLine(5 * 4, 0); // 5 * 4 BytesPerPixel
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pScanlineTransformer->startLine(aScanLine.data());
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std::vector<Color> aColors{
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Color(ColorAlpha, 255, 10, 250, 120), Color(ColorAlpha, 205, 30, 230, 110),
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Color(ColorAlpha, 155, 50, 210, 100), Color(ColorAlpha, 105, 70, 190, 90),
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Color(ColorAlpha, 55, 90, 170, 80),
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};
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for (Color const& aColor : aColors)
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{
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pScanlineTransformer->writePixel(aColor);
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}
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std::vector<sal_uInt8> aExpectedBytes{ 255, 10, 250, 120, 205, 30, 230, 110, 155, 50,
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210, 100, 105, 70, 190, 90, 55, 90, 170, 80 };
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for (size_t i = 0; i < aScanLine.size(); ++i)
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{
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CPPUNIT_ASSERT_EQUAL(int(aExpectedBytes[i]), int(aScanLine[i]));
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}
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}
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void ScanlineToolsTest::ScanlineTransformer_24_BGR()
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{
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BitmapPalette aPalette;
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std::unique_ptr<vcl::bitmap::ScanlineTransformer> pScanlineTransformer
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= vcl::bitmap::getScanlineTransformer(24, aPalette);
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std::vector<sal_uInt8> aScanLine(5 * 3, 0); // 5 * 3 BytesPerPixel
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pScanlineTransformer->startLine(aScanLine.data());
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std::vector<Color> aColors{
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Color(ColorTransparency, 0, 10, 250, 120), Color(ColorTransparency, 50, 30, 230, 110),
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Color(ColorTransparency, 100, 50, 210, 100), Color(ColorTransparency, 150, 70, 190, 90),
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Color(ColorTransparency, 200, 90, 170, 80),
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};
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for (Color const& aColor : aColors)
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{
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pScanlineTransformer->writePixel(aColor);
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}
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std::vector<sal_uInt8> aExpectedBytes{ 120, 250, 10, 110, 230, 30, 100, 210,
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50, 90, 190, 70, 80, 170, 90 };
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for (size_t i = 0; i < aScanLine.size(); ++i)
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{
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CPPUNIT_ASSERT_EQUAL(int(aExpectedBytes[i]), int(aScanLine[i]));
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}
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}
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void ScanlineToolsTest::ScanlineTransformer_8bit_Palette()
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{
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std::vector<Color> aColors{
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Color(ColorTransparency, 0, 10, 250, 120), Color(ColorTransparency, 50, 30, 230, 110),
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Color(ColorTransparency, 100, 50, 210, 100), Color(ColorTransparency, 150, 70, 190, 90),
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Color(ColorTransparency, 200, 90, 170, 80),
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};
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BitmapPalette aPalette(256);
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for (size_t i = 0; i < aColors.size(); ++i)
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aPalette[i] = aColors[i];
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std::unique_ptr<vcl::bitmap::ScanlineTransformer> pScanlineTransformer
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= vcl::bitmap::getScanlineTransformer(8, aPalette);
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std::vector<sal_uInt8> aScanLine(5, 0); // 5 * 1 BytesPerPixel
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pScanlineTransformer->startLine(aScanLine.data());
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for (Color const& aColor : aColors)
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{
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pScanlineTransformer->writePixel(aColor);
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}
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std::vector<sal_uInt8> aExpectedBytes{ 0, 1, 2, 3, 4 };
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for (size_t i = 0; i < aScanLine.size(); ++i)
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{
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CPPUNIT_ASSERT_EQUAL(int(aExpectedBytes[i]), int(aScanLine[i]));
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}
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pScanlineTransformer->startLine(aScanLine.data());
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for (Color const& rColor : aColors)
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{
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Color aColor = pScanlineTransformer->readPixel();
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CPPUNIT_ASSERT_EQUAL(rColor, aColor);
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}
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}
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void ScanlineToolsTest::ScanlineTransformer_1bit_Palette()
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{
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std::vector<Color> aColors{
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Color(10, 250, 120), Color(30, 230, 110), Color(50, 210, 100), Color(70, 190, 90),
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Color(90, 170, 80), Color(110, 150, 70), Color(130, 130, 60), Color(150, 110, 50),
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Color(170, 90, 40), Color(190, 70, 30), Color(210, 50, 20), Color(230, 30, 10),
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Color(250, 10, 0),
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};
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BitmapPalette aPalette(2);
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aPalette[0] = Color(10, 250, 120);
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aPalette[1] = Color(110, 150, 70);
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std::unique_ptr<vcl::bitmap::ScanlineTransformer> pScanlineTransformer
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= vcl::bitmap::getScanlineTransformer(1, aPalette);
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std::vector<sal_uInt8> aScanLine(2, 0); // 13 * 1/8 BytesPerPixel
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pScanlineTransformer->startLine(aScanLine.data());
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for (Color const& aColor : aColors)
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{
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pScanlineTransformer->writePixel(aColor);
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}
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std::vector<sal_uInt8> aExpectedBytes{
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// We expect 3x index 0 and 10x index 1 => 000 111111111
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0x1f, // 0001 1111
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0xf8 // 1111 1000
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};
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for (size_t i = 0; i < aScanLine.size(); ++i)
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{
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CPPUNIT_ASSERT_EQUAL(int(aExpectedBytes[i]), int(aScanLine[i]));
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}
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pScanlineTransformer->startLine(aScanLine.data());
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std::vector<Color> aColorsExpected{
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Color(10, 250, 120), Color(10, 250, 120), Color(10, 250, 120), Color(110, 150, 70),
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Color(110, 150, 70), Color(110, 150, 70), Color(110, 150, 70), Color(110, 150, 70),
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Color(110, 150, 70), Color(110, 150, 70), Color(110, 150, 70), Color(110, 150, 70),
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Color(110, 150, 70),
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};
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for (Color const& rColor : aColorsExpected)
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{
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Color aColor = pScanlineTransformer->readPixel();
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CPPUNIT_ASSERT_EQUAL(rColor, aColor);
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}
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}
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} // namespace
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CPPUNIT_TEST_SUITE_REGISTRATION(ScanlineToolsTest);
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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