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07d85c44998f42545175ee77c192b901b52a30ca
libreoffice/include/vcl/salbtype.hxx
Julien Nabet c2690669d2 Remove include stdio (part6) 
Change-Id: I4dde46c81b36b318710e32c8f420dff8d9c2e655
Reviewed-on: https://gerrit.libreoffice.org/15879
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
Tested-by: Julien Nabet <serval2412@yahoo.fr>
2015-05-23 18:00:49 +00:00

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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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_VCL_SALBTYPE_HXX
#define INCLUDED_VCL_SALBTYPE_HXX
#include <string.h>
#include <stdlib.h>
#include <tools/debug.hxx>
#include <vcl/salgtype.hxx>
#include <tools/color.hxx>
#include <tools/helpers.hxx>
#include <tools/solar.h>
#include <vcl/dllapi.h>
// - Memory -
typedef sal_uInt8* HPBYTE;
typedef HPBYTE Scanline;
typedef const sal_uInt8* ConstHPBYTE;
typedef ConstHPBYTE ConstScanline;
// - Bitmap formats -
#define BMP_FORMAT_BOTTOM_UP 0x00000000UL
#define BMP_FORMAT_TOP_DOWN 0x80000000UL
#define BMP_FORMAT_1BIT_MSB_PAL 0x00000001UL
#define BMP_FORMAT_1BIT_LSB_PAL 0x00000002UL
#define BMP_FORMAT_4BIT_MSN_PAL 0x00000004UL
#define BMP_FORMAT_4BIT_LSN_PAL 0x00000008UL
#define BMP_FORMAT_8BIT_PAL 0x00000010UL
#define BMP_FORMAT_8BIT_TC_MASK 0x00000020UL
#define BMP_FORMAT_24BIT_TC_BGR 0x00000080UL
#define BMP_FORMAT_24BIT_TC_RGB 0x00000100UL
#define BMP_FORMAT_24BIT_TC_MASK 0x00000200UL
#define BMP_FORMAT_32BIT_TC_ABGR 0x00000400UL
#define BMP_FORMAT_32BIT_TC_ARGB 0x00000800UL
#define BMP_FORMAT_32BIT_TC_BGRA 0x00001000UL
#define BMP_FORMAT_32BIT_TC_RGBA 0x00002000UL
#define BMP_FORMAT_32BIT_TC_MASK 0x00004000UL
#define BMP_FORMAT_16BIT_TC_MSB_MASK 0x00008000UL
#define BMP_FORMAT_16BIT_TC_LSB_MASK 0x00010000UL
#define BMP_SCANLINE_ADJUSTMENT( Mac_nBmpFormat ) ( (Mac_nBmpFormat) & 0x80000000UL )
#define BMP_SCANLINE_FORMAT( Mac_nBmpFormat ) ( (Mac_nBmpFormat) & 0x7FFFFFFFUL )
#define MASK_TO_COLOR( d_nVal, d_RM, d_GM, d_BM, d_RS, d_GS, d_BS, d_Col ) \
sal_uLong _def_cR = (sal_uInt8) ( d_RS < 0L ? ( (d_nVal) & d_RM ) << -d_RS : ( (d_nVal) & d_RM ) >> d_RS ); \
sal_uLong _def_cG = (sal_uInt8) ( d_GS < 0L ? ( (d_nVal) & d_GM ) << -d_GS : ( (d_nVal) & d_GM ) >> d_GS ); \
sal_uLong _def_cB = (sal_uInt8) ( d_BS < 0L ? ( (d_nVal) & d_BM ) << -d_BS : ( (d_nVal) & d_BM ) >> d_BS ); \
d_Col = BitmapColor( (sal_uInt8) ( _def_cR | ( ( _def_cR & mnROr ) >> mnROrShift ) ), \
(sal_uInt8) ( _def_cG | ( ( _def_cG & mnGOr ) >> mnGOrShift ) ), \
(sal_uInt8) ( _def_cB | ( ( _def_cB & mnBOr ) >> mnBOrShift ) ) );
#define COLOR_TO_MASK( d_rCol, d_RM, d_GM, d_BM, d_RS, d_GS, d_BS, d_ALPHA ) \
( ( ( ( d_RS < 0L ) ? ( (sal_uInt32) (d_rCol).GetRed() >> -d_RS ) : \
( (sal_uInt32) (d_rCol).GetRed() << d_RS ) ) & d_RM ) | \
( ( ( d_GS < 0L ) ? ( (sal_uInt32) (d_rCol).GetGreen() >> -d_GS ) : \
( (sal_uInt32) (d_rCol).GetGreen() << d_GS ) ) & d_GM ) | \
( ( ( d_BS < 0L ) ? ( (sal_uInt32) (d_rCol).GetBlue() >> -d_BS ) : \
( (sal_uInt32) (d_rCol).GetBlue() << d_BS ) ) & d_BM ) | \
d_ALPHA )
// - BitmapColor -
class Color;
class VCL_DLLPUBLIC BitmapColor
{
private:
// ATTENTION:
// Because the members of this class are accessed via memcpy,
// you MUST NOT CHANGE the order of the members or the size of this class!
sal_uInt8 mcBlueOrIndex;
sal_uInt8 mcGreen;
sal_uInt8 mcRed;
sal_uInt8 mbIndex; // should be bool, but see above warning
public:
inline BitmapColor();
inline BitmapColor( const BitmapColor& rBitmapColor );
inline BitmapColor( sal_uInt8 cRed, sal_uInt8 cGreen, sal_uInt8 cBlue );
inline BitmapColor( const Color& rColor );
explicit inline BitmapColor( sal_uInt8 cIndex );
inline ~BitmapColor() {};
inline bool operator==( const BitmapColor& rBitmapColor ) const;
inline bool operator!=( const BitmapColor& rBitmapColor ) const;
inline BitmapColor& operator=( const BitmapColor& rBitmapColor );
inline bool IsIndex() const;
inline sal_uInt8 GetRed() const;
inline void SetRed( sal_uInt8 cRed );
inline sal_uInt8 GetGreen() const;
inline void SetGreen( sal_uInt8 cGreen );
inline sal_uInt8 GetBlue() const;
inline void SetBlue( sal_uInt8 cBlue );
inline sal_uInt8 GetIndex() const;
inline void SetIndex( sal_uInt8 cIndex );
operator Color() const;
inline sal_uInt8 GetBlueOrIndex() const;
inline BitmapColor& Invert();
inline sal_uInt8 GetLuminance() const;
inline BitmapColor& IncreaseLuminance( sal_uInt8 cGreyInc );
inline BitmapColor& DecreaseLuminance( sal_uInt8 cGreyDec );
inline BitmapColor& Merge( const BitmapColor& rColor, sal_uInt8 cTransparency );
inline BitmapColor& Merge( sal_uInt8 cR, sal_uInt8 cG, sal_uInt8 cB, sal_uInt8 cTransparency );
inline sal_uLong GetColorError( const BitmapColor& rBitmapColor ) const;
};
// - BitmapPalette -
class Palette;
class VCL_DLLPUBLIC BitmapPalette
{
friend class SalBitmap;
friend class BitmapAccess;
private:
BitmapColor* mpBitmapColor;
sal_uInt16 mnCount;
public:
SAL_DLLPRIVATE inline BitmapColor* ImplGetColorBuffer() const;
public:
inline BitmapPalette();
inline BitmapPalette( const BitmapPalette& rBitmapPalette );
inline BitmapPalette( sal_uInt16 nCount );
inline ~BitmapPalette();
inline BitmapPalette& operator=( const BitmapPalette& rBitmapPalette );
inline bool operator==( const BitmapPalette& rBitmapPalette ) const;
inline bool operator!=( const BitmapPalette& rBitmapPalette ) const;
inline bool operator!();
inline sal_uInt16 GetEntryCount() const;
inline void SetEntryCount( sal_uInt16 nCount );
inline const BitmapColor& operator[]( sal_uInt16 nIndex ) const;
inline BitmapColor& operator[]( sal_uInt16 nIndex );
inline sal_uInt16 GetBestIndex( const BitmapColor& rCol ) const;
bool IsGreyPalette() const;
};
// - ColorMask -
class VCL_DLLPUBLIC ColorMask
{
sal_uLong mnRMask;
sal_uLong mnGMask;
sal_uLong mnBMask;
long mnRShift;
long mnGShift;
long mnBShift;
sal_uLong mnROrShift;
sal_uLong mnGOrShift;
sal_uLong mnBOrShift;
sal_uLong mnROr;
sal_uLong mnGOr;
sal_uLong mnBOr;
sal_uLong mnAlphaChannel;
SAL_DLLPRIVATE inline long ImplCalcMaskShift( sal_uLong nMask, sal_uLong& rOr, sal_uLong& rOrShift ) const;
public:
inline ColorMask( sal_uLong nRedMask = 0UL,
sal_uLong nGreenMask = 0UL,
sal_uLong nBlueMask = 0UL,
sal_uLong nAlphaChannel = 0UL );
inline ~ColorMask() {}
inline sal_uLong GetRedMask() const;
inline sal_uLong GetGreenMask() const;
inline sal_uLong GetBlueMask() const;
inline void GetColorFor8Bit( BitmapColor& rColor, ConstHPBYTE pPixel ) const;
inline void SetColorFor8Bit( const BitmapColor& rColor, HPBYTE pPixel ) const;
inline void GetColorFor16BitMSB( BitmapColor& rColor, ConstHPBYTE pPixel ) const;
inline void SetColorFor16BitMSB( const BitmapColor& rColor, HPBYTE pPixel ) const;
inline void GetColorFor16BitLSB( BitmapColor& rColor, ConstHPBYTE pPixel ) const;
inline void SetColorFor16BitLSB( const BitmapColor& rColor, HPBYTE pPixel ) const;
inline void GetColorFor24Bit( BitmapColor& rColor, ConstHPBYTE pPixel ) const;
inline void SetColorFor24Bit( const BitmapColor& rColor, HPBYTE pPixel ) const;
inline void GetColorFor32Bit( BitmapColor& rColor, ConstHPBYTE pPixel ) const;
inline void GetColorAndAlphaFor32Bit( BitmapColor& rColor, sal_uInt8& rAlpha, ConstHPBYTE pPixel ) const;
inline void SetColorFor32Bit( const BitmapColor& rColor, HPBYTE pPixel ) const;
};
// - BitmapBuffer -
struct VCL_DLLPUBLIC BitmapBuffer
{
sal_uLong mnFormat;
long mnWidth;
long mnHeight;
long mnScanlineSize;
sal_uInt16 mnBitCount;
ColorMask maColorMask;
BitmapPalette maPalette;
sal_uInt8* mpBits;
BitmapBuffer(){}
~BitmapBuffer() {}
};
// - Access modes -
typedef enum
{
BITMAP_INFO_ACCESS,
BITMAP_READ_ACCESS,
BITMAP_WRITE_ACCESS
}
BitmapAccessMode;
// - StretchAndConvert -
VCL_DLLPUBLIC BitmapBuffer* StretchAndConvert(
const BitmapBuffer& rSrcBuffer, const SalTwoRect& rTwoRect,
sal_uLong nDstBitmapFormat, const BitmapPalette* pDstPal = NULL, const ColorMask* pDstMask = NULL );
inline BitmapColor::BitmapColor() :
mcBlueOrIndex ( 0 ),
mcGreen ( 0 ),
mcRed ( 0 ),
mbIndex ( sal_uInt8(false) )
{
}
inline BitmapColor::BitmapColor( sal_uInt8 cRed, sal_uInt8 cGreen, sal_uInt8 cBlue ) :
mcBlueOrIndex ( cBlue ),
mcGreen ( cGreen ),
mcRed ( cRed ),
mbIndex ( sal_uInt8(false) )
{
}
inline BitmapColor::BitmapColor( const BitmapColor& rBitmapColor ) :
mcBlueOrIndex ( rBitmapColor.mcBlueOrIndex ),
mcGreen ( rBitmapColor.mcGreen ),
mcRed ( rBitmapColor.mcRed ),
mbIndex ( rBitmapColor.mbIndex )
{
}
inline BitmapColor::BitmapColor( const Color& rColor ) :
mcBlueOrIndex ( rColor.GetBlue() ),
mcGreen ( rColor.GetGreen() ),
mcRed ( rColor.GetRed() ),
mbIndex ( sal_uInt8(false) )
{
}
inline BitmapColor::BitmapColor( sal_uInt8 cIndex ) :
mcBlueOrIndex ( cIndex ),
mcGreen ( 0 ),
mcRed ( 0 ),
mbIndex ( sal_uInt8(true) )
{
}
inline bool BitmapColor::operator==( const BitmapColor& rBitmapColor ) const
{
return( ( mcBlueOrIndex == rBitmapColor.mcBlueOrIndex ) &&
( mbIndex ? bool(rBitmapColor.mbIndex) :
( mcGreen == rBitmapColor.mcGreen && mcRed == rBitmapColor.mcRed ) ) );
}
inline bool BitmapColor::operator!=( const BitmapColor& rBitmapColor ) const
{
return !( *this == rBitmapColor );
}
inline BitmapColor& BitmapColor::operator=( const BitmapColor& rBitmapColor )
{
mcBlueOrIndex = rBitmapColor.mcBlueOrIndex;
mcGreen = rBitmapColor.mcGreen;
mcRed = rBitmapColor.mcRed;
mbIndex = rBitmapColor.mbIndex;
return *this;
}
inline bool BitmapColor::IsIndex() const
{
return mbIndex;
}
inline sal_uInt8 BitmapColor::GetRed() const
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
return mcRed;
}
inline void BitmapColor::SetRed( sal_uInt8 cRed )
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
mcRed = cRed;
}
inline sal_uInt8 BitmapColor::GetGreen() const
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
return mcGreen;
}
inline void BitmapColor::SetGreen( sal_uInt8 cGreen )
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
mcGreen = cGreen;
}
inline sal_uInt8 BitmapColor::GetBlue() const
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
return mcBlueOrIndex;
}
inline void BitmapColor::SetBlue( sal_uInt8 cBlue )
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
mcBlueOrIndex = cBlue;
}
inline sal_uInt8 BitmapColor::GetIndex() const
{
DBG_ASSERT( mbIndex, "Pixel represents color values!" );
return mcBlueOrIndex;
}
inline void BitmapColor::SetIndex( sal_uInt8 cIndex )
{
DBG_ASSERT( mbIndex, "Pixel represents color values!" );
mcBlueOrIndex = cIndex;
}
inline BitmapColor::operator Color() const
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
return Color( mcRed, mcGreen, mcBlueOrIndex );
}
inline sal_uInt8 BitmapColor::GetBlueOrIndex() const
{
// #i47518# Yield a value regardless of mbIndex
return mcBlueOrIndex;
}
inline BitmapColor& BitmapColor::Invert()
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
mcBlueOrIndex = ~mcBlueOrIndex, mcGreen = ~mcGreen, mcRed = ~mcRed;
return *this;
}
inline sal_uInt8 BitmapColor::GetLuminance() const
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
return (static_cast<unsigned long>(mcBlueOrIndex) * 28UL + static_cast<unsigned long>(mcGreen) * 151UL + static_cast<unsigned long>(mcRed) * 77UL) >> 8;
}
inline BitmapColor& BitmapColor::IncreaseLuminance( sal_uInt8 cGreyInc )
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
mcBlueOrIndex = (sal_uInt8) MinMax( (long) mcBlueOrIndex + cGreyInc, 0L, 255L );
mcGreen = (sal_uInt8) MinMax( (long) mcGreen + cGreyInc, 0L, 255L );
mcRed = (sal_uInt8) MinMax( (long) mcRed + cGreyInc, 0L, 255L );
return *this;
}
inline BitmapColor& BitmapColor::DecreaseLuminance( sal_uInt8 cGreyDec )
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
mcBlueOrIndex = (sal_uInt8) MinMax( (long) mcBlueOrIndex - cGreyDec, 0L, 255L );
mcGreen = (sal_uInt8) MinMax( (long) mcGreen - cGreyDec, 0L, 255L );
mcRed = (sal_uInt8) MinMax( (long) mcRed - cGreyDec, 0L, 255L );
return *this;
}
inline BitmapColor& BitmapColor::Merge( const BitmapColor& rBitmapColor, sal_uInt8 cTransparency )
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
DBG_ASSERT( !rBitmapColor.mbIndex, "Pixel represents index into colortable!" );
mcBlueOrIndex = COLOR_CHANNEL_MERGE( mcBlueOrIndex, rBitmapColor.mcBlueOrIndex, cTransparency );
mcGreen = COLOR_CHANNEL_MERGE( mcGreen, rBitmapColor.mcGreen, cTransparency );
mcRed = COLOR_CHANNEL_MERGE( mcRed, rBitmapColor.mcRed, cTransparency );
return *this;
}
inline BitmapColor& BitmapColor::Merge( sal_uInt8 cR, sal_uInt8 cG, sal_uInt8 cB, sal_uInt8 cTransparency )
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
mcBlueOrIndex = COLOR_CHANNEL_MERGE( mcBlueOrIndex, cB, cTransparency );
mcGreen = COLOR_CHANNEL_MERGE( mcGreen, cG, cTransparency );
mcRed = COLOR_CHANNEL_MERGE( mcRed, cR, cTransparency );
return *this;
}
inline sal_uLong BitmapColor::GetColorError( const BitmapColor& rBitmapColor ) const
{
DBG_ASSERT( !mbIndex, "Pixel represents index into colortable!" );
DBG_ASSERT( !rBitmapColor.mbIndex, "Pixel represents index into colortable!" );
return( (sal_uLong) ( labs( mcBlueOrIndex - rBitmapColor.mcBlueOrIndex ) +
labs( mcGreen - rBitmapColor.mcGreen ) +
labs( mcRed - rBitmapColor.mcRed ) ) );
}
inline BitmapPalette::BitmapPalette() :
mpBitmapColor ( NULL ),
mnCount ( 0 )
{
}
inline BitmapPalette::BitmapPalette( const BitmapPalette& rBitmapPalette ) :
mnCount( rBitmapPalette.mnCount )
{
if( mnCount )
{
const sal_uLong nSize = mnCount * sizeof( BitmapColor );
mpBitmapColor = reinterpret_cast<BitmapColor*>(new sal_uInt8[ nSize ]);
memcpy( mpBitmapColor, rBitmapPalette.mpBitmapColor, nSize );
}
else
mpBitmapColor = NULL;
}
inline BitmapPalette::BitmapPalette( sal_uInt16 nCount ) :
mnCount( nCount )
{
if( mnCount )
{
const sal_uLong nSize = mnCount * sizeof( BitmapColor );
mpBitmapColor = reinterpret_cast<BitmapColor*>(new sal_uInt8[ nSize ]);
memset( mpBitmapColor, 0, nSize );
}
else
mpBitmapColor = NULL;
}
inline BitmapPalette::~BitmapPalette()
{
delete[] reinterpret_cast<sal_uInt8*>(mpBitmapColor);
}
inline BitmapPalette& BitmapPalette::operator=( const BitmapPalette& rBitmapPalette )
{
delete[] reinterpret_cast<sal_uInt8*>(mpBitmapColor);
mnCount = rBitmapPalette.mnCount;
if( mnCount )
{
const sal_uLong nSize = mnCount * sizeof( BitmapColor );
mpBitmapColor = reinterpret_cast<BitmapColor*>(new sal_uInt8[ nSize ]);
memcpy( mpBitmapColor, rBitmapPalette.mpBitmapColor, nSize );
}
else
mpBitmapColor = NULL;
return *this;
}
inline bool BitmapPalette::operator==( const BitmapPalette& rBitmapPalette ) const
{
bool bRet = false;
if( rBitmapPalette.mnCount == mnCount )
{
bRet = true;
for( sal_uInt16 i = 0; i < mnCount; i++ )
{
if( mpBitmapColor[ i ] != rBitmapPalette.mpBitmapColor[ i ] )
{
bRet = false;
break;
}
}
}
return bRet;
}
inline bool BitmapPalette::operator!=( const BitmapPalette& rBitmapPalette ) const
{
return !( *this == rBitmapPalette );
}
inline bool BitmapPalette::operator!()
{
return( !mnCount || !mpBitmapColor );
}
inline sal_uInt16 BitmapPalette::GetEntryCount() const
{
return mnCount;
}
inline void BitmapPalette::SetEntryCount( sal_uInt16 nCount )
{
if( !nCount )
{
delete[] reinterpret_cast<sal_uInt8*>(mpBitmapColor);
mpBitmapColor = NULL;
mnCount = 0;
}
else if( nCount != mnCount )
{
const sal_uLong nNewSize = nCount * sizeof( BitmapColor );
const sal_uLong nMinSize = std::min( mnCount, nCount ) * sizeof( BitmapColor );
sal_uInt8* pNewColor = new sal_uInt8[ nNewSize ];
if ( nMinSize && mpBitmapColor )
memcpy( pNewColor, mpBitmapColor, nMinSize );
delete[] reinterpret_cast<sal_uInt8*>(mpBitmapColor);
memset( pNewColor + nMinSize, 0, nNewSize - nMinSize );
mpBitmapColor = reinterpret_cast<BitmapColor*>(pNewColor);
mnCount = nCount;
}
}
inline const BitmapColor& BitmapPalette::operator[]( sal_uInt16 nIndex ) const
{
DBG_ASSERT( nIndex < mnCount, "Palette index is out of range!" );
return mpBitmapColor[ nIndex ];
}
inline BitmapColor& BitmapPalette::operator[]( sal_uInt16 nIndex )
{
DBG_ASSERT( nIndex < mnCount, "Palette index is out of range!" );
return mpBitmapColor[ nIndex ];
}
inline BitmapColor* BitmapPalette::ImplGetColorBuffer() const
{
DBG_ASSERT( mpBitmapColor, "No color buffer available!" );
return mpBitmapColor;
}
inline sal_uInt16 BitmapPalette::GetBestIndex( const BitmapColor& rCol ) const
{
sal_uInt16 nRetIndex = 0;
if( mpBitmapColor && mnCount )
{
bool bFound = false;
for( long j = 0L; ( j < mnCount ) && !bFound; j++ )
if( rCol == mpBitmapColor[ j ] )
nRetIndex = ( (sal_uInt16) j ), bFound = true;
if( !bFound )
{
long nActErr, nLastErr = rCol.GetColorError( mpBitmapColor[ nRetIndex = mnCount - 1 ] );
for( long i = nRetIndex - 1; i >= 0L; i-- )
if ( ( nActErr = rCol.GetColorError( mpBitmapColor[ i ] ) ) < nLastErr )
nLastErr = nActErr, nRetIndex = (sal_uInt16) i;
}
}
return nRetIndex;
}
inline ColorMask::ColorMask( sal_uLong nRedMask,
sal_uLong nGreenMask,
sal_uLong nBlueMask,
sal_uLong nAlphaChannel ) :
mnRMask( nRedMask ),
mnGMask( nGreenMask ),
mnBMask( nBlueMask ),
mnROrShift( 0L ),
mnGOrShift( 0L ),
mnBOrShift( 0L ),
mnROr( 0L ),
mnGOr( 0L ),
mnBOr( 0L ),
mnAlphaChannel( nAlphaChannel )
{
mnRShift = ( mnRMask ? ImplCalcMaskShift( mnRMask, mnROr, mnROrShift ) : 0L );
mnGShift = ( mnGMask ? ImplCalcMaskShift( mnGMask, mnGOr, mnGOrShift ) : 0L );
mnBShift = ( mnBMask ? ImplCalcMaskShift( mnBMask, mnBOr, mnBOrShift ) : 0L );
}
inline long ColorMask::ImplCalcMaskShift( sal_uLong nMask, sal_uLong& rOr, sal_uLong& rOrShift ) const
{
long nShift;
long nRet;
sal_uLong nLen = 0UL;
// from which bit starts the mask?
for( nShift = 31L; ( nShift >= 0L ) && !( nMask & ( (sal_uLong)1 << (sal_uLong) nShift ) ); nShift-- )
{}
nRet = nShift;
// XXX determine number of bits set => walk right until null
while( ( nShift >= 0L ) && ( nMask & ( (sal_uLong)1 << (sal_uLong) nShift ) ) )
{
nShift--;
nLen++;
}
assert( nLen <= 8 ); // mask length must be 8 bits or less
rOrShift = 8UL - nLen;
rOr = (sal_uInt8) ( ( 0xffUL >> nLen ) << rOrShift );
return( nRet -= 7 );
}
inline sal_uLong ColorMask::GetRedMask() const
{
return mnRMask;
}
inline sal_uLong ColorMask::GetGreenMask() const
{
return mnGMask;
}
inline sal_uLong ColorMask::GetBlueMask() const
{
return mnBMask;
}
inline void ColorMask::GetColorFor8Bit( BitmapColor& rColor, ConstHPBYTE pPixel ) const
{
const sal_uInt32 nVal = *pPixel;
MASK_TO_COLOR( nVal, mnRMask, mnGMask, mnBMask, mnRShift, mnGShift, mnBShift, rColor );
}
inline void ColorMask::SetColorFor8Bit( const BitmapColor& rColor, HPBYTE pPixel ) const
{
*pPixel = (sal_uInt8) COLOR_TO_MASK( rColor, mnRMask, mnGMask, mnBMask, mnRShift, mnGShift, mnBShift, mnAlphaChannel );
}
inline void ColorMask::GetColorFor16BitMSB( BitmapColor& rColor, ConstHPBYTE pPixel ) const
{
const sal_uInt32 nVal = pPixel[ 1 ] | ( (sal_uInt32) pPixel[ 0 ] << 8UL );
MASK_TO_COLOR( nVal, mnRMask, mnGMask, mnBMask, mnRShift, mnGShift, mnBShift, rColor );
}
inline void ColorMask::SetColorFor16BitMSB( const BitmapColor& rColor, HPBYTE pPixel ) const
{
const sal_uInt16 nVal = (sal_uInt16)COLOR_TO_MASK( rColor, mnRMask, mnGMask, mnBMask, mnRShift, mnGShift, mnBShift, mnAlphaChannel );
pPixel[ 0 ] = (sal_uInt8)(nVal >> 8U);
pPixel[ 1 ] = (sal_uInt8) nVal;
}
inline void ColorMask::GetColorFor16BitLSB( BitmapColor& rColor, ConstHPBYTE pPixel ) const
{
const sal_uInt32 nVal = pPixel[ 0 ] | ( (sal_uInt32) pPixel[ 1 ] << 8UL );
MASK_TO_COLOR( nVal, mnRMask, mnGMask, mnBMask, mnRShift, mnGShift, mnBShift, rColor );
}
inline void ColorMask::SetColorFor16BitLSB( const BitmapColor& rColor, HPBYTE pPixel ) const
{
const sal_uInt16 nVal = (sal_uInt16)COLOR_TO_MASK( rColor, mnRMask, mnGMask, mnBMask, mnRShift, mnGShift, mnBShift, mnAlphaChannel );
pPixel[ 0 ] = (sal_uInt8) nVal;
pPixel[ 1 ] = (sal_uInt8)(nVal >> 8U);
}
inline void ColorMask::GetColorFor24Bit( BitmapColor& rColor, ConstHPBYTE pPixel ) const
{
const sal_uInt32 nVal = pPixel[ 0 ] | ( (sal_uInt32) pPixel[ 1 ] << 8UL ) | ( (sal_uInt32) pPixel[ 2 ] << 16UL );
MASK_TO_COLOR( nVal, mnRMask, mnGMask, mnBMask, mnRShift, mnGShift, mnBShift, rColor );
}
inline void ColorMask::SetColorFor24Bit( const BitmapColor& rColor, HPBYTE pPixel ) const
{
const sal_uInt32 nVal = COLOR_TO_MASK( rColor, mnRMask, mnGMask, mnBMask, mnRShift, mnGShift, mnBShift, mnAlphaChannel );
pPixel[ 0 ] = (sal_uInt8) nVal; pPixel[ 1 ] = (sal_uInt8) ( nVal >> 8UL ); pPixel[ 2 ] = (sal_uInt8) ( nVal >> 16UL );
}
inline void ColorMask::GetColorFor32Bit( BitmapColor& rColor, ConstHPBYTE pPixel ) const
{
const sal_uInt32 nVal = (sal_uInt32) pPixel[ 0 ] | ( (sal_uInt32) pPixel[ 1 ] << 8UL ) |
( (sal_uInt32) pPixel[ 2 ] << 16UL ) | ( (sal_uInt32) pPixel[ 3 ] << 24UL );
MASK_TO_COLOR( nVal, mnRMask, mnGMask, mnBMask, mnRShift, mnGShift, mnBShift, rColor );
}
inline void ColorMask::GetColorAndAlphaFor32Bit( BitmapColor& rColor, sal_uInt8& rAlpha, ConstHPBYTE pPixel ) const
{
const sal_uInt32 nVal = (sal_uInt32) pPixel[ 0 ] | ( (sal_uInt32) pPixel[ 1 ] << 8UL ) |
( (sal_uInt32) pPixel[ 2 ] << 16UL ) | ( (sal_uInt32) pPixel[ 3 ] << 24UL );
rAlpha = (sal_uInt8)(nVal >> 24);
MASK_TO_COLOR( nVal, mnRMask, mnGMask, mnBMask, mnRShift, mnGShift, mnBShift, rColor );
}
inline void ColorMask::SetColorFor32Bit( const BitmapColor& rColor, HPBYTE pPixel ) const
{
const sal_uInt32 nVal = COLOR_TO_MASK( rColor, mnRMask, mnGMask, mnBMask, mnRShift, mnGShift, mnBShift, mnAlphaChannel );
pPixel[ 0 ] = (sal_uInt8) nVal; pPixel[ 1 ] = (sal_uInt8) ( nVal >> 8UL );
pPixel[ 2 ] = (sal_uInt8) ( nVal >> 16UL ); pPixel[ 3 ] = (sal_uInt8) ( nVal >> 24UL );
}
#endif // INCLUDED_VCL_SALBTYPE_HXX
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