include/vcl/BitmapMonochromeMatrixFilter.hxx | 28 ----
include/vcl/bitmap.hxx | 4
vcl/Library_vcl.mk | 1
vcl/source/bitmap/BitmapMonochromeMatrixFilter.cxx | 142 ---------------------
vcl/source/gdi/bitmap3.cxx | 87 ------------
5 files changed, 262 deletions(-)
New commits:
commit e3cc7b94b13d6cc4e044cfd688e0fcc9dca63987
Author: Noel Grandin <noel.gran...@collabora.co.uk>
AuthorDate: Fri Apr 24 11:30:57 2020 +0200
Commit: Noel Grandin <noel.gran...@collabora.co.uk>
CommitDate: Fri Apr 24 13:37:12 2020 +0200
loplugin:unusedenumconstants BmpConversion
Change-Id: Ib1c36a35ffa6af535b5265f753e9b7a6bfb590a6
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/92841
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.gran...@collabora.co.uk>
diff --git a/include/vcl/BitmapMonochromeMatrixFilter.hxx
b/include/vcl/BitmapMonochromeMatrixFilter.hxx
deleted file mode 100644
index 58d1d917f65d..000000000000
--- a/include/vcl/BitmapMonochromeMatrixFilter.hxx
+++ /dev/null
@@ -1,28 +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/.
- *
- */
-
-#ifndef INCLUDED_INCLUDE_VCL_BITMAPMONOCHROMEMATRIXFILTER_HXX
-#define INCLUDED_INCLUDE_VCL_BITMAPMONOCHROMEMATRIXFILTER_HXX
-
-#include <vcl/BitmapFilter.hxx>
-
-class VCL_DLLPUBLIC BitmapMonochromeMatrixFilter final : public BitmapFilter
-{
-public:
- /** Convert to monochrome (1-bit) bitmap using dithering
- */
- BitmapMonochromeMatrixFilter() {}
-
- virtual BitmapEx execute(BitmapEx const& rBitmapEx) const override;
-};
-
-#endif
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/vcl/bitmap.hxx b/include/vcl/bitmap.hxx
index 1df24105e8bd..742e7a3a56f8 100644
--- a/include/vcl/bitmap.hxx
+++ b/include/vcl/bitmap.hxx
@@ -66,7 +66,6 @@ enum class BmpConversion
{
NNONE,
N1BitThreshold,
- N1BitMatrix, // aka Dithered, used in export to bitmap
N4BitGreys,
N4BitColors,
N8BitGreys,
@@ -74,7 +73,6 @@ enum class BmpConversion
N24Bit,
N32Bit,
N8BitTrans,
- Ghosted,
N8BitNoConversion // make 8bit without color conversion (e.g. take the red
channel)
};
@@ -537,8 +535,6 @@ private:
SAL_DLLPRIVATE bool ImplConvertUp(sal_uInt16 nBitCount, Color const*
pExtColor = nullptr);
SAL_DLLPRIVATE bool ImplConvertDown(sal_uInt16 nBitCount, Color const*
pExtColor = nullptr);
- SAL_DLLPRIVATE bool ImplConvertGhosted();
-
private:
std::shared_ptr<SalBitmap> mxSalBmp;
MapMode maPrefMapMode;
diff --git a/vcl/Library_vcl.mk b/vcl/Library_vcl.mk
index fe3afd7de9a4..cb59e378fb89 100644
--- a/vcl/Library_vcl.mk
+++ b/vcl/Library_vcl.mk
@@ -332,7 +332,6 @@ $(eval $(call gb_Library_add_exception_objects,vcl,\
vcl/source/bitmap/bitmapfilter \
vcl/source/bitmap/BitmapAlphaClampFilter \
vcl/source/bitmap/BitmapMonochromeFilter \
- vcl/source/bitmap/BitmapMonochromeMatrixFilter \
vcl/source/bitmap/BitmapSmoothenFilter \
vcl/source/bitmap/BitmapLightenFilter \
vcl/source/bitmap/BitmapDisabledImageFilter \
diff --git a/vcl/source/bitmap/BitmapMonochromeMatrixFilter.cxx
b/vcl/source/bitmap/BitmapMonochromeMatrixFilter.cxx
deleted file mode 100644
index 12e72ad1c710..000000000000
--- a/vcl/source/bitmap/BitmapMonochromeMatrixFilter.cxx
+++ /dev/null
@@ -1,142 +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 <vcl/bitmap.hxx>
-#include <vcl/bitmapex.hxx>
-#include <vcl/BitmapMonochromeMatrixFilter.hxx>
-#include <vcl/bitmapaccess.hxx>
-
-#include <bitmapwriteaccess.hxx>
-
-static void ImplCreateDitherMatrix(sal_uInt8 (*pDitherMatrix)[16][16])
-{
- const double fVal = 3.125;
- const double fVal16 = fVal / 16.;
- const double fValScale = 254.;
- sal_uInt16 pMtx[16][16];
- sal_uInt16 nMax = 0;
- static const sal_uInt8 pMagic[4][4] = { {
- 0,
- 14,
- 3,
- 13,
- },
- {
- 11,
- 5,
- 8,
- 6,
- },
- {
- 12,
- 2,
- 15,
- 1,
- },
- { 7, 9, 4, 10 } };
-
- // Build MagicSquare
- for (long i = 0; i < 4; i++)
- for (long j = 0; j < 4; j++)
- for (long k = 0; k < 4; k++)
- for (long l = 0; l < 4; l++)
- {
- pMtx[(k << 2) + i][(l << 2) + j] = static_cast<sal_uInt16>(
- 0.5 + pMagic[i][j] * fVal + pMagic[k][l] * fVal16);
- nMax = std::max(pMtx[(k << 2) + i][(l << 2) + j], nMax);
- }
-
- // Scale to interval [0;254]
- double tmp = fValScale / nMax;
- for (long i = 0; i < 16; i++)
- for (long j = 0; j < 16; j++)
- (*pDitherMatrix)[i][j] = static_cast<sal_uInt8>(tmp * pMtx[i][j]);
-}
-
-BitmapEx BitmapMonochromeMatrixFilter::execute(BitmapEx const& aBitmapEx) const
-{
- Bitmap aBitmap = aBitmapEx.GetBitmap();
- Bitmap::ScopedReadAccess pReadAcc(aBitmap);
- bool bRet = false;
-
- if (pReadAcc)
- {
- Bitmap aNewBmp(aBitmap.GetSizePixel(), 1);
- BitmapScopedWriteAccess pWriteAcc(aNewBmp);
-
- if (pWriteAcc)
- {
- const BitmapColor
aBlack(pWriteAcc->GetBestMatchingColor(COL_BLACK));
- const BitmapColor
aWhite(pWriteAcc->GetBestMatchingColor(COL_WHITE));
- const long nWidth = pWriteAcc->Width();
- const long nHeight = pWriteAcc->Height();
- sal_uInt8 pDitherMatrix[16][16];
-
- ImplCreateDitherMatrix(&pDitherMatrix);
-
- if (pReadAcc->HasPalette())
- {
- for (long nY = 0; nY < nHeight; nY++)
- {
- for (long nX = 0, nModY = nY % 16; nX < nWidth; nX++)
- {
- const sal_uInt8 cIndex = pReadAcc->GetPixelIndex(nY,
nX);
- if (pReadAcc->GetPaletteColor(cIndex).GetLuminance()
- > pDitherMatrix[nModY][nX % 16])
- {
- pWriteAcc->SetPixel(nY, nX, aWhite);
- }
- else
- pWriteAcc->SetPixel(nY, nX, aBlack);
- }
- }
- }
- else
- {
- for (long nY = 0; nY < nHeight; nY++)
- {
- for (long nX = 0, nModY = nY % 16; nX < nWidth; nX++)
- {
- if (pReadAcc->GetPixel(nY, nX).GetLuminance()
- > pDitherMatrix[nModY][nX % 16])
- {
- pWriteAcc->SetPixel(nY, nX, aWhite);
- }
- else
- pWriteAcc->SetPixel(nY, nX, aBlack);
- }
- }
- }
-
- pWriteAcc.reset();
- bRet = true;
- }
-
- pReadAcc.reset();
-
- if (bRet)
- {
- const MapMode aMap(aBitmap.GetPrefMapMode());
- const Size aSize(aBitmap.GetPrefSize());
-
- aBitmap = aNewBmp;
-
- aBitmap.SetPrefMapMode(aMap);
- aBitmap.SetPrefSize(aSize);
- }
- }
-
- if (bRet)
- return BitmapEx(aBitmap);
-
- return BitmapEx();
-}
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/source/gdi/bitmap3.cxx b/vcl/source/gdi/bitmap3.cxx
index c400008e60b4..b2976039f86d 100644
--- a/vcl/source/gdi/bitmap3.cxx
+++ b/vcl/source/gdi/bitmap3.cxx
@@ -30,7 +30,6 @@
#include <vcl/opengl/OpenGLHelper.hxx>
#endif
#include <vcl/BitmapMonochromeFilter.hxx>
-#include <vcl/BitmapMonochromeMatrixFilter.hxx>
#include <BitmapScaleSuperFilter.hxx>
#include <BitmapScaleConvolutionFilter.hxx>
@@ -266,14 +265,6 @@ bool Bitmap::Convert( BmpConversion eConversion )
}
break;
- case BmpConversion::N1BitMatrix:
- {
- BitmapEx aBmpEx(*this);
- bRet = BitmapFilter::Filter(aBmpEx,
BitmapMonochromeMatrixFilter());
- *this = aBmpEx.GetBitmap();
- }
- break;
-
case BmpConversion::N4BitGreys:
bRet = ImplMakeGreyscales( 16 );
break;
@@ -334,10 +325,6 @@ bool Bitmap::Convert( BmpConversion eConversion )
}
break;
- case BmpConversion::Ghosted:
- bRet = ImplConvertGhosted();
- break;
-
default:
OSL_FAIL( "Bitmap::Convert(): Unsupported conversion" );
break;
@@ -680,80 +667,6 @@ bool Bitmap::ImplConvertDown(sal_uInt16 nBitCount, Color
const * pExtColor)
return bRet;
}
-bool Bitmap::ImplConvertGhosted()
-{
- Bitmap aNewBmp;
- ScopedReadAccess pR(*this);
- bool bRet = false;
-
- if( pR )
- {
- if( pR->HasPalette() )
- {
- BitmapPalette aNewPal( pR->GetPaletteEntryCount() );
-
- for( long i = 0, nCount = aNewPal.GetEntryCount(); i < nCount; i++
)
- {
- const BitmapColor& rOld = pR->GetPaletteColor(
static_cast<sal_uInt16>(i) );
- aNewPal[ static_cast<sal_uInt16>(i) ] = BitmapColor( (
rOld.GetRed() >> 1 ) | 0x80,
- ( rOld.GetGreen() >> 1 )
| 0x80,
- ( rOld.GetBlue() >> 1 ) |
0x80 );
- }
-
- aNewBmp = Bitmap( GetSizePixel(), GetBitCount(), &aNewPal );
- BitmapScopedWriteAccess pW(aNewBmp);
-
- if( pW )
- {
- pW->CopyBuffer( *pR );
- bRet = true;
- }
- }
- else
- {
- aNewBmp = Bitmap( GetSizePixel(), 24 );
-
- BitmapScopedWriteAccess pW(aNewBmp);
-
- if( pW )
- {
- const long nWidth = pR->Width(), nHeight = pR->Height();
-
- for( long nY = 0; nY < nHeight; nY++ )
- {
- Scanline pScanline = pW->GetScanline(nY);
- Scanline pScanlineRead = pR->GetScanline(nY);
- for( long nX = 0; nX < nWidth; nX++ )
- {
- const BitmapColor aOld( pR->GetPixelFromData(
pScanlineRead, nX ) );
- pW->SetPixelOnData( pScanline, nX, BitmapColor( (
aOld.GetRed() >> 1 ) | 0x80,
- (
aOld.GetGreen() >> 1 ) | 0x80,
- (
aOld.GetBlue() >> 1 ) | 0x80 ) );
-
- }
- }
-
- bRet = true;
- }
- }
-
- pR.reset();
- }
-
- if( bRet )
- {
- const MapMode aMap( maPrefMapMode );
- const Size aSize( maPrefSize );
-
- *this = aNewBmp;
-
- maPrefMapMode = aMap;
- maPrefSize = aSize;
- }
-
- return bRet;
-}
-
bool Bitmap::Scale( const double& rScaleX, const double& rScaleY, BmpScaleFlag
nScaleFlag )
{
if(basegfx::fTools::equalZero(rScaleX) ||
basegfx::fTools::equalZero(rScaleY))
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