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|
/* -*- 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 <unordered_map>
#include <vcl/bitmap.hxx>
#include <vcl/bitmapaccess.hxx>
#include <vcl/virdev.hxx>
#include <rtl/strbuf.hxx>
#include <config_features.h>
#if HAVE_FEATURE_OPENGL
#include <vcl/opengl/OpenGLHelper.hxx>
#endif
#include <vcl/skia/SkiaHelper.hxx>
#include <vcl/BitmapMonochromeFilter.hxx>
#include <bitmapwriteaccess.hxx>
#include <svdata.hxx>
#include <salinst.hxx>
#include <bitmap/Octree.hxx>
namespace
{
class BitmapTest : public CppUnit::TestFixture
{
void testCreation();
void testEmpty();
void testMonochrome();
void testN4Greyscale();
void testN8Greyscale();
void testConvert();
void testCRC();
void testGreyPalette();
void testCustom8BitPalette();
void testErase();
void testBitmap32();
void testOctree();
CPPUNIT_TEST_SUITE(BitmapTest);
CPPUNIT_TEST(testCreation);
CPPUNIT_TEST(testEmpty);
CPPUNIT_TEST(testMonochrome);
CPPUNIT_TEST(testConvert);
CPPUNIT_TEST(testN4Greyscale);
CPPUNIT_TEST(testN8Greyscale);
CPPUNIT_TEST(testCRC);
CPPUNIT_TEST(testGreyPalette);
CPPUNIT_TEST(testCustom8BitPalette);
CPPUNIT_TEST(testErase);
CPPUNIT_TEST(testBitmap32);
CPPUNIT_TEST(testOctree);
CPPUNIT_TEST_SUITE_END();
};
void assertColorsAreSimilar(int maxDifference, const std::string& message,
const BitmapColor& expected, const BitmapColor& actual)
{
// Check that the two colors match or are reasonably similar.
if (expected == actual)
return;
if (abs(expected.GetRed() - actual.GetRed()) <= maxDifference
&& abs(expected.GetGreen() - actual.GetGreen()) <= maxDifference
&& abs(expected.GetBlue() - actual.GetBlue()) <= maxDifference
&& abs(expected.GetAlpha() - actual.GetAlpha()) <= maxDifference)
{
return;
}
CPPUNIT_ASSERT_EQUAL_MESSAGE(message, expected, actual);
}
void BitmapTest::testCreation()
{
{
Bitmap aBmp;
Size aSize = aBmp.GetSizePixel();
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong width", static_cast<long>(0), aSize.Width());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong height", static_cast<long>(0), aSize.Height());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong pref size", Size(), aBmp.GetPrefSize());
CPPUNIT_ASSERT_MESSAGE("Not empty", aBmp.IsEmpty());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong bit count", static_cast<sal_uInt16>(0),
aBmp.GetBitCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong color count", sal_Int64(1), aBmp.GetColorCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong byte size", static_cast<sal_uLong>(0),
aBmp.GetSizeBytes());
}
{
Bitmap aBmp(Size(10, 10), 1);
Size aSize = aBmp.GetSizePixel();
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong width", static_cast<long>(10), aSize.Width());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong height", static_cast<long>(10), aSize.Height());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong pref size", Size(), aBmp.GetPrefSize());
CPPUNIT_ASSERT_MESSAGE("Empty bitmap", !aBmp.IsEmpty());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong bit count", static_cast<sal_uInt16>(1),
aBmp.GetBitCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong color count", sal_Int64(2), aBmp.GetColorCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong byte size", static_cast<sal_uLong>(12),
aBmp.GetSizeBytes());
}
{
Bitmap aBmp(Size(10, 10), 4);
Size aSize = aBmp.GetSizePixel();
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong width", static_cast<long>(10), aSize.Width());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong height", static_cast<long>(10), aSize.Height());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong pref size", Size(), aBmp.GetPrefSize());
CPPUNIT_ASSERT_MESSAGE("Empty bitmap", !aBmp.IsEmpty());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong bit count", static_cast<sal_uInt16>(4),
aBmp.GetBitCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong color count", sal_Int64(16), aBmp.GetColorCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong byte size", static_cast<sal_uLong>(50),
aBmp.GetSizeBytes());
}
{
Bitmap aBmp(Size(10, 10), 8);
Size aSize = aBmp.GetSizePixel();
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong width", static_cast<long>(10), aSize.Width());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong height", static_cast<long>(10), aSize.Height());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong pref size", Size(), aBmp.GetPrefSize());
CPPUNIT_ASSERT_MESSAGE("Empty bitmap", !aBmp.IsEmpty());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong bit count", static_cast<sal_uInt16>(8),
aBmp.GetBitCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong color count", sal_Int64(256), aBmp.GetColorCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong byte size", static_cast<sal_uLong>(100),
aBmp.GetSizeBytes());
}
{
Bitmap aBmp(Size(10, 10), 24);
Size aSize = aBmp.GetSizePixel();
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong width", static_cast<long>(10), aSize.Width());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong height", static_cast<long>(10), aSize.Height());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong pref size", Size(), aBmp.GetPrefSize());
CPPUNIT_ASSERT_MESSAGE("Empty bitmap", !aBmp.IsEmpty());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong bit count", static_cast<sal_uInt16>(24),
aBmp.GetBitCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong color count", sal_Int64(16777216),
aBmp.GetColorCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong byte size", static_cast<sal_uLong>(300),
aBmp.GetSizeBytes());
}
// Check backend capabilities and return from the test successfully
// if the backend doesn't support 32-bit bitmap
auto pBackendCapabilities = ImplGetSVData()->mpDefInst->GetBackendCapabilities();
if (pBackendCapabilities->mbSupportsBitmap32)
{
Bitmap aBmp(Size(10, 10), 32);
Size aSize = aBmp.GetSizePixel();
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong width", static_cast<long>(10), aSize.Width());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong height", static_cast<long>(10), aSize.Height());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong pref size", Size(), aBmp.GetPrefSize());
CPPUNIT_ASSERT_MESSAGE("Empty bitmap", !aBmp.IsEmpty());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong bit count", sal_uInt16(32), aBmp.GetBitCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong color count", sal_Int64(4294967296ull),
aBmp.GetColorCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong byte size", sal_uLong(400), aBmp.GetSizeBytes());
}
}
void BitmapTest::testEmpty()
{
Bitmap aBitmap(Size(10, 10), 8);
aBitmap.Erase(COL_LIGHTGRAYBLUE);
CPPUNIT_ASSERT(!aBitmap.IsEmpty());
aBitmap.SetEmpty();
CPPUNIT_ASSERT(aBitmap.IsEmpty());
}
Bitmap createTestBitmap()
{
Bitmap aBmp(Size(4, 4), 24);
BitmapWriteAccess aBmpAccess(aBmp);
// row 1
aBmpAccess.SetPixel(0, 0, BitmapColor(COL_BLACK));
aBmpAccess.SetPixel(0, 1, BitmapColor(COL_BLUE));
aBmpAccess.SetPixel(0, 2, BitmapColor(COL_GREEN));
aBmpAccess.SetPixel(0, 3, BitmapColor(COL_CYAN));
// row 2
aBmpAccess.SetPixel(1, 0, BitmapColor(COL_RED));
aBmpAccess.SetPixel(1, 1, BitmapColor(COL_MAGENTA));
aBmpAccess.SetPixel(1, 2, BitmapColor(COL_BROWN));
aBmpAccess.SetPixel(1, 3, BitmapColor(COL_GRAY));
// row 3
aBmpAccess.SetPixel(2, 0, BitmapColor(COL_LIGHTGRAY));
aBmpAccess.SetPixel(2, 1, BitmapColor(COL_LIGHTBLUE));
aBmpAccess.SetPixel(2, 2, BitmapColor(COL_LIGHTGREEN));
aBmpAccess.SetPixel(2, 3, BitmapColor(COL_LIGHTCYAN));
// row 4
aBmpAccess.SetPixel(3, 0, BitmapColor(COL_LIGHTRED));
aBmpAccess.SetPixel(3, 1, BitmapColor(COL_LIGHTMAGENTA));
aBmpAccess.SetPixel(3, 2, BitmapColor(COL_YELLOW));
aBmpAccess.SetPixel(3, 3, BitmapColor(COL_WHITE));
return aBmp;
}
void BitmapTest::testMonochrome()
{
Bitmap aBmp = createTestBitmap();
BitmapEx aBmpEx(aBmp);
BitmapFilter::Filter(aBmpEx, BitmapMonochromeFilter(63));
aBmp = aBmpEx.GetBitmap();
BitmapReadAccess aBmpReadAccess(aBmp);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Black pixel wrong monochrome value", BitmapColor(COL_BLACK),
aBmpReadAccess.GetColor(0, 0));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Blue pixel wrong monochrome value", BitmapColor(COL_BLACK),
aBmpReadAccess.GetColor(0, 1));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Green pixel wrong monochrome value", BitmapColor(COL_WHITE),
aBmpReadAccess.GetColor(0, 2));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Cyan pixel wrong monochrome value", BitmapColor(COL_WHITE),
aBmpReadAccess.GetColor(0, 3));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Red pixel wrong monochrome value", BitmapColor(COL_BLACK),
aBmpReadAccess.GetColor(1, 0));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Magenta pixel wrong monochrome value", BitmapColor(COL_BLACK),
aBmpReadAccess.GetColor(1, 1));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Brown pixel wrong monochrome value", BitmapColor(COL_WHITE),
aBmpReadAccess.GetColor(1, 2));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Gray pixel wrong monochrome value", BitmapColor(COL_WHITE),
aBmpReadAccess.GetColor(1, 3));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Light gray pixel wrong monochrome value", BitmapColor(COL_WHITE),
aBmpReadAccess.GetColor(2, 0));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Light blue pixel wrong monochrome value", BitmapColor(COL_BLACK),
aBmpReadAccess.GetColor(2, 1));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Light green pixel wrong monochrome value", BitmapColor(COL_WHITE),
aBmpReadAccess.GetColor(2, 2));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Light cyan pixel wrong monochrome value", BitmapColor(COL_WHITE),
aBmpReadAccess.GetColor(2, 3));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Light red pixel wrong monochrome value", BitmapColor(COL_WHITE),
aBmpReadAccess.GetColor(3, 0));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Light magenta pixel wrong monochrome value",
BitmapColor(COL_WHITE), aBmpReadAccess.GetColor(3, 1));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Yellow pixel wrong monochrome value", BitmapColor(COL_WHITE),
aBmpReadAccess.GetColor(3, 2));
CPPUNIT_ASSERT_EQUAL_MESSAGE("White pixel wrong monochrome value", BitmapColor(COL_WHITE),
aBmpReadAccess.GetColor(3, 3));
}
void BitmapTest::testN4Greyscale()
{
Bitmap aBmp = createTestBitmap();
BitmapPalette aGreyscalePalette = Bitmap::GetGreyPalette(16);
aBmp.Convert(BmpConversion::N4BitGreys);
BitmapReadAccess aBmpReadAccess(aBmp);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Black pixel wrong 8-bit greyscale value", aGreyscalePalette[0],
aBmpReadAccess.GetColor(0, 0));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Blue pixel wrong 8-bit greyscale value", aGreyscalePalette[0],
aBmpReadAccess.GetColor(0, 1));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Green pixel wrong 8-bit greyscale value", aGreyscalePalette[4],
aBmpReadAccess.GetColor(0, 2));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Cyan pixel wrong 8-bit greyscale value", aGreyscalePalette[5],
aBmpReadAccess.GetColor(0, 3));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Red pixel wrong 8-bit greyscale value", aGreyscalePalette[2],
aBmpReadAccess.GetColor(1, 0));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Magenta pixel wrong 8-bit greyscale value", aGreyscalePalette[3],
aBmpReadAccess.GetColor(1, 1));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Brown pixel wrong 8-bit greyscale value", aGreyscalePalette[7],
aBmpReadAccess.GetColor(1, 2));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Gray pixel wrong 8-bit greyscale value", aGreyscalePalette[8],
aBmpReadAccess.GetColor(1, 3));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Light gray pixel wrong 8-bit greyscale value",
aGreyscalePalette[12], aBmpReadAccess.GetColor(2, 0));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Light blue pixel wrong 8-bit greyscale value",
aGreyscalePalette[1], aBmpReadAccess.GetColor(2, 1));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Light green pixel wrong 8-bit greyscale value",
aGreyscalePalette[9], aBmpReadAccess.GetColor(2, 2));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Light cyan pixel wrong 8-bit greyscale value",
aGreyscalePalette[11], aBmpReadAccess.GetColor(2, 3));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Light red pixel wrong 8-bit greyscale value",
aGreyscalePalette[4], aBmpReadAccess.GetColor(3, 0));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Light magenta pixel wrong 8-bit greyscale value",
aGreyscalePalette[6], aBmpReadAccess.GetColor(3, 1));
CPPUNIT_ASSERT_EQUAL_MESSAGE("Yellow pixel wrong 8-bit greyscale value", aGreyscalePalette[14],
aBmpReadAccess.GetColor(3, 2));
CPPUNIT_ASSERT_EQUAL_MESSAGE("White pixel wrong 8-bit greyscale value", aGreyscalePalette[15],
aBmpReadAccess.GetColor(3, 3));
}
void BitmapTest::testN8Greyscale()
{
Bitmap aBmp = createTestBitmap();
BitmapPalette aGreyscalePalette = Bitmap::GetGreyPalette(256);
aBmp.Convert(BmpConversion::N8BitGreys);
BitmapReadAccess aBmpReadAccess(aBmp);
assertColorsAreSimilar(1, "Black pixel wrong 8-bit greyscale value", aGreyscalePalette[0],
aBmpReadAccess.GetColor(0, 0));
assertColorsAreSimilar(1, "Blue pixel wrong 8-bit greyscale value", aGreyscalePalette[14],
aBmpReadAccess.GetColor(0, 1));
assertColorsAreSimilar(1, "Green pixel wrong 8-bit greyscale value", aGreyscalePalette[75],
aBmpReadAccess.GetColor(0, 2));
assertColorsAreSimilar(1, "Cyan pixel wrong 8-bit greyscale value", aGreyscalePalette[89],
aBmpReadAccess.GetColor(0, 3));
assertColorsAreSimilar(1, "Red pixel wrong 8-bit greyscale value", aGreyscalePalette[38],
aBmpReadAccess.GetColor(1, 0));
assertColorsAreSimilar(1, "Magenta pixel wrong 8-bit greyscale value", aGreyscalePalette[52],
aBmpReadAccess.GetColor(1, 1));
assertColorsAreSimilar(1, "Brown pixel wrong 8-bit greyscale value", aGreyscalePalette[114],
aBmpReadAccess.GetColor(1, 2));
assertColorsAreSimilar(1, "Gray pixel wrong 8-bit greyscale value", aGreyscalePalette[128],
aBmpReadAccess.GetColor(1, 3));
assertColorsAreSimilar(1, "Light gray pixel wrong 8-bit greyscale value",
aGreyscalePalette[192], aBmpReadAccess.GetColor(2, 0));
assertColorsAreSimilar(1, "Light blue pixel wrong 8-bit greyscale value", aGreyscalePalette[27],
aBmpReadAccess.GetColor(2, 1));
assertColorsAreSimilar(1, "Light green pixel wrong 8-bit greyscale value",
aGreyscalePalette[150], aBmpReadAccess.GetColor(2, 2));
assertColorsAreSimilar(1, "Light cyan pixel wrong 8-bit greyscale value",
aGreyscalePalette[178], aBmpReadAccess.GetColor(2, 3));
assertColorsAreSimilar(1, "Light red pixel wrong 8-bit greyscale value", aGreyscalePalette[76],
aBmpReadAccess.GetColor(3, 0));
assertColorsAreSimilar(1, "Light magenta pixel wrong 8-bit greyscale value",
aGreyscalePalette[104], aBmpReadAccess.GetColor(3, 1));
assertColorsAreSimilar(1, "Yellow pixel wrong 8-bit greyscale value", aGreyscalePalette[227],
aBmpReadAccess.GetColor(3, 2));
assertColorsAreSimilar(1, "White pixel wrong 8-bit greyscale value", aGreyscalePalette[255],
aBmpReadAccess.GetColor(3, 3));
}
void BitmapTest::testConvert()
{
Bitmap aBitmap(Size(10, 10), 8);
aBitmap.Erase(COL_LIGHTGRAYBLUE);
CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(8), aBitmap.GetBitCount());
{
Bitmap::ScopedReadAccess pReadAccess(aBitmap);
CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(8), pReadAccess->GetBitCount());
#if defined MACOSX || defined IOS
//it would be nice to find and change the stride for quartz to be the same as everyone else
CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt32>(10), pReadAccess->GetScanlineSize());
#else
if (!SkiaHelper::isVCLSkiaEnabled())
#if HAVE_FEATURE_OPENGL
if (!OpenGLHelper::isVCLOpenGLEnabled())
#endif
CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt32>(12), pReadAccess->GetScanlineSize());
#endif
CPPUNIT_ASSERT(pReadAccess->HasPalette());
const BitmapColor& rColor = pReadAccess->GetPaletteColor(pReadAccess->GetPixelIndex(1, 1));
CPPUNIT_ASSERT_EQUAL(sal_Int32(204), sal_Int32(rColor.GetRed()));
CPPUNIT_ASSERT_EQUAL(sal_Int32(204), sal_Int32(rColor.GetGreen()));
CPPUNIT_ASSERT_EQUAL(sal_Int32(255), sal_Int32(rColor.GetBlue()));
}
aBitmap.Convert(BmpConversion::N24Bit);
CPPUNIT_ASSERT_EQUAL(sal_uInt16(24), aBitmap.GetBitCount());
{
Bitmap::ScopedReadAccess pReadAccess(aBitmap);
// 24 bit Bitmap on SVP backend can now use 24bit RGB everywhere.
CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(24), pReadAccess->GetBitCount());
if (SkiaHelper::isVCLSkiaEnabled()) // aligned to 4 bytes
CPPUNIT_ASSERT_EQUAL(sal_uInt32(32), pReadAccess->GetScanlineSize());
else
#if HAVE_FEATURE_OPENGL
if (OpenGLHelper::isVCLOpenGLEnabled())
CPPUNIT_ASSERT_EQUAL(sal_uInt32(30), pReadAccess->GetScanlineSize());
else
#endif
#if defined LINUX || defined FREEBSD
{
CPPUNIT_ASSERT_EQUAL(sal_uInt32(32), pReadAccess->GetScanlineSize());
}
#elif defined(_WIN32)
{
// GDI Scanlines padded to DWORD multiples, it seems
CPPUNIT_ASSERT_EQUAL(sal_uInt32(32), pReadAccess->GetScanlineSize());
}
#else
{
CPPUNIT_ASSERT_EQUAL(sal_uInt32(30), pReadAccess->GetScanlineSize());
}
#endif
CPPUNIT_ASSERT(!pReadAccess->HasPalette());
Color aColor = pReadAccess->GetPixel(0, 0);
CPPUNIT_ASSERT_EQUAL(sal_Int32(204), sal_Int32(aColor.GetRed()));
CPPUNIT_ASSERT_EQUAL(sal_Int32(204), sal_Int32(aColor.GetGreen()));
CPPUNIT_ASSERT_EQUAL(sal_Int32(255), sal_Int32(aColor.GetBlue()));
}
}
typedef std::unordered_map<sal_uInt64, const char*> CRCHash;
void checkAndInsert(CRCHash& rHash, sal_uInt64 nCRC, const char* pLocation)
{
auto it = rHash.find(nCRC);
if (it != rHash.end())
{
OStringBuffer aBuf("CRC collision between ");
aBuf.append(pLocation);
aBuf.append(" and ");
aBuf.append(it->second);
aBuf.append(" hash is 0x");
aBuf.append(static_cast<sal_Int64>(nCRC), 16);
CPPUNIT_FAIL(aBuf.toString().getStr());
}
rHash[nCRC] = pLocation;
}
void checkAndInsert(CRCHash& rHash, Bitmap const& rBmp, const char* pLocation)
{
checkAndInsert(rHash, rBmp.GetChecksum(), pLocation);
}
Bitmap getAsBitmap(VclPtr<OutputDevice> const& pOut)
{
return pOut->GetBitmap(Point(), pOut->GetOutputSizePixel());
}
void BitmapTest::testCRC()
{
CRCHash aCRCs;
Bitmap aBitmap(Size(1023, 759), 24, nullptr);
aBitmap.Erase(COL_BLACK);
checkAndInsert(aCRCs, aBitmap, "black bitmap");
aBitmap.Invert();
checkAndInsert(aCRCs, aBitmap, "white bitmap");
ScopedVclPtrInstance<VirtualDevice> aVDev;
aVDev->SetBackground(Wallpaper(COL_WHITE));
aVDev->SetOutputSizePixel(Size(1023, 759));
#if 0 // disabled for now - oddly breaks on OS/X - but why ?
Bitmap aWhiteCheck = getAsBitmap(aVDev);
CPPUNIT_ASSERT(aCRCs.find(aWhiteCheck.GetChecksum()) != aCRCs.end());
#endif
// a 1x1 black & white checkerboard
aVDev->DrawCheckered(Point(), aVDev->GetOutputSizePixel(), 1, Color(0, 0, 1));
Bitmap aChecker = getAsBitmap(aVDev);
checkAndInsert(aCRCs, aChecker, "checkerboard");
aChecker.Invert();
checkAndInsert(aCRCs, aChecker, "inverted checkerboard");
}
void BitmapTest::testGreyPalette()
{
{
BitmapPalette aPalette = Bitmap::GetGreyPalette(2);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong number of palette entries", static_cast<sal_uInt16>(2),
aPalette.GetEntryCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 1 wrong", BitmapColor(0, 0, 0), aPalette[0]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 2 wrong", BitmapColor(255, 255, 255), aPalette[1]);
}
{
BitmapPalette aPalette = Bitmap::GetGreyPalette(4);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong number of palette entries", static_cast<sal_uInt16>(4),
aPalette.GetEntryCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 1 wrong", BitmapColor(0, 0, 0), aPalette[0]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 2 wrong", BitmapColor(85, 85, 85), aPalette[1]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 3 wrong", BitmapColor(170, 170, 170), aPalette[2]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 4 wrong", BitmapColor(255, 255, 255), aPalette[3]);
}
{
BitmapPalette aPalette = Bitmap::GetGreyPalette(16);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong number of palette entries", static_cast<sal_uInt16>(16),
aPalette.GetEntryCount());
// this is a *real* specific number of greys, incremented in units of 17 so may
// as well test them all...
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 1 wrong", BitmapColor(0, 0, 0), aPalette[0]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 2 wrong", BitmapColor(17, 17, 17), aPalette[1]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 3 wrong", BitmapColor(34, 34, 34), aPalette[2]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 4 wrong", BitmapColor(51, 51, 51), aPalette[3]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 5 wrong", BitmapColor(68, 68, 68), aPalette[4]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 6 wrong", BitmapColor(85, 85, 85), aPalette[5]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 7 wrong", BitmapColor(102, 102, 102), aPalette[6]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 8 wrong", BitmapColor(119, 119, 119), aPalette[7]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 9 wrong", BitmapColor(136, 136, 136), aPalette[8]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 10 wrong", BitmapColor(153, 153, 153), aPalette[9]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 11 wrong", BitmapColor(170, 170, 170), aPalette[10]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 12 wrong", BitmapColor(187, 187, 187), aPalette[11]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 13 wrong", BitmapColor(204, 204, 204), aPalette[12]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 14 wrong", BitmapColor(221, 221, 221), aPalette[13]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 15 wrong", BitmapColor(238, 238, 238), aPalette[14]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 16 wrong", BitmapColor(255, 255, 255), aPalette[15]);
}
{
BitmapPalette aPalette = Bitmap::GetGreyPalette(256);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong number of palette entries",
static_cast<sal_uInt16>(256), aPalette.GetEntryCount());
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 1 wrong", BitmapColor(0, 0, 0), aPalette[0]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 127 wrong", BitmapColor(127, 127, 127), aPalette[127]);
CPPUNIT_ASSERT_EQUAL_MESSAGE("Entry 255 wrong", BitmapColor(255, 255, 255), aPalette[255]);
}
}
void BitmapTest::testCustom8BitPalette()
{
BitmapPalette aCustomPalette;
aCustomPalette.SetEntryCount(256);
for (sal_uInt16 i = 0; i < 256; i++)
{
aCustomPalette[i] = BitmapColor(sal_uInt8(i), sal_uInt8(0xCC), sal_uInt8(0x22));
}
Bitmap aBitmap(Size(3, 2), 8, &aCustomPalette);
{
BitmapScopedWriteAccess pAccess(aBitmap);
pAccess->SetPixelIndex(0, 0, 0);
pAccess->SetPixelIndex(0, 1, 1);
pAccess->SetPixelIndex(0, 2, 2);
pAccess->SetPixelIndex(1, 0, 253);
pAccess->SetPixelIndex(1, 1, 254);
pAccess->SetPixelIndex(1, 2, 255);
}
{
Bitmap::ScopedReadAccess pAccess(aBitmap);
CPPUNIT_ASSERT_EQUAL(0, int(pAccess->GetPixelIndex(0, 0)));
CPPUNIT_ASSERT_EQUAL(BitmapColor(0x00, 0xCC, 0x22), pAccess->GetColor(0, 0));
CPPUNIT_ASSERT_EQUAL(1, int(pAccess->GetPixelIndex(0, 1)));
CPPUNIT_ASSERT_EQUAL(BitmapColor(0x01, 0xCC, 0x22), pAccess->GetColor(0, 1));
CPPUNIT_ASSERT_EQUAL(2, int(pAccess->GetPixelIndex(0, 2)));
CPPUNIT_ASSERT_EQUAL(BitmapColor(0x02, 0xCC, 0x22), pAccess->GetColor(0, 2));
CPPUNIT_ASSERT_EQUAL(253, int(pAccess->GetPixelIndex(1, 0)));
CPPUNIT_ASSERT_EQUAL(BitmapColor(0xFD, 0xCC, 0x22), pAccess->GetColor(1, 0));
CPPUNIT_ASSERT_EQUAL(254, int(pAccess->GetPixelIndex(1, 1)));
CPPUNIT_ASSERT_EQUAL(BitmapColor(0xFE, 0xCC, 0x22), pAccess->GetColor(1, 1));
CPPUNIT_ASSERT_EQUAL(255, int(pAccess->GetPixelIndex(1, 2)));
CPPUNIT_ASSERT_EQUAL(BitmapColor(0xFF, 0xCC, 0x22), pAccess->GetColor(1, 2));
}
}
void BitmapTest::testErase()
{
Bitmap aBitmap(Size(3, 3), 24);
{
BitmapScopedWriteAccess pWriteAccess(aBitmap);
pWriteAccess->Erase(Color(0x11, 0x22, 0x33));
}
{
Bitmap::ScopedReadAccess pReadAccess(aBitmap);
BitmapColor aColor(pReadAccess->GetPixel(0, 0));
CPPUNIT_ASSERT_EQUAL(BitmapColor(0x11, 0x22, 0x33, 0x00), aColor);
}
}
void BitmapTest::testBitmap32()
{
// Check backend capabilities and return from the test successfully
// if the backend doesn't support 32-bit bitmap
auto pBackendCapabilities = ImplGetSVData()->mpDefInst->GetBackendCapabilities();
if (!pBackendCapabilities->mbSupportsBitmap32)
return;
Bitmap aBitmap(Size(3, 3), 32);
{
BitmapScopedWriteAccess pWriteAccess(aBitmap);
pWriteAccess->Erase(Color(0xFF, 0x11, 0x22, 0x33));
pWriteAccess->SetPixel(1, 1, BitmapColor(0x44, 0xFF, 0xBB, 0x00));
pWriteAccess->SetPixel(2, 2, BitmapColor(0x99, 0x77, 0x66, 0x55));
}
{
Bitmap::ScopedReadAccess pReadAccess(aBitmap);
BitmapColor aColor = pReadAccess->GetPixel(0, 0);
CPPUNIT_ASSERT_EQUAL(BitmapColor(0x00, 0x00, 0x00, 0xFF), aColor);
aColor = pReadAccess->GetPixel(1, 1);
CPPUNIT_ASSERT_EQUAL(BitmapColor(0x44, 0xFF, 0xBB, 0x00), aColor);
aColor = pReadAccess->GetPixel(2, 2);
CPPUNIT_ASSERT_EQUAL(BitmapColor(0x99, 0x77, 0x66, 0x55), aColor);
}
}
void BitmapTest::testOctree()
{
Size aSize(1000, 100);
Bitmap aBitmap(aSize, 24);
{
BitmapScopedWriteAccess pWriteAccess(aBitmap);
for (long y = 0; y < aSize.Height(); ++y)
{
for (long x = 0; x < aSize.Width(); ++x)
{
double fPercent = double(x) / double(aSize.Width());
pWriteAccess->SetPixel(y, x,
BitmapColor(255.0 * fPercent, 64.0 + (128.0 * fPercent),
255.0 - 255.0 * fPercent));
}
}
}
{
// Reduce to 1 color
Bitmap::ScopedReadAccess pAccess(aBitmap);
Octree aOctree(*pAccess, 1);
auto aBitmapPalette = aOctree.GetPalette();
CPPUNIT_ASSERT_EQUAL(sal_uInt16(1), aBitmapPalette.GetEntryCount());
CPPUNIT_ASSERT_EQUAL(BitmapColor(0x7e, 0x7f, 0x7f), aBitmapPalette[0]);
}
{
// Reduce to 4 color
Bitmap::ScopedReadAccess pAccess(aBitmap);
Octree aOctree(*pAccess, 4);
auto aBitmapPalette = aOctree.GetPalette();
CPPUNIT_ASSERT_EQUAL(sal_uInt16(4), aBitmapPalette.GetEntryCount());
CPPUNIT_ASSERT_EQUAL(BitmapColor(0x7f, 0x7f, 0x7f), aBitmapPalette[0]);
CPPUNIT_ASSERT_EQUAL(BitmapColor(0x3e, 0x5f, 0xbf), aBitmapPalette[1]);
CPPUNIT_ASSERT_EQUAL(BitmapColor(0x7f, 0x80, 0x7f), aBitmapPalette[2]);
CPPUNIT_ASSERT_EQUAL(BitmapColor(0xbe, 0x9f, 0x3f), aBitmapPalette[3]);
}
{
// Reduce to 256 color
Bitmap::ScopedReadAccess pAccess(aBitmap);
Octree aOctree(*pAccess, 256);
auto aBitmapPalette = aOctree.GetPalette();
CPPUNIT_ASSERT_EQUAL(sal_uInt16(74), aBitmapPalette.GetEntryCount());
}
}
} // namespace
CPPUNIT_TEST_SUITE_REGISTRATION(BitmapTest);
CPPUNIT_PLUGIN_IMPLEMENT();
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