vcl/source/gdi/bmpacc2.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <vcl/salbtype.hxx>
  21 #include <vcl/bmpacc.hxx>
  22
  23 BitmapColor BitmapReadAccess::GetPixelFor_1BIT_MSB_PAL(ConstScanline pScanline, long nX, const ColorMask&)
  24 {
  25     return BitmapColor( pScanline[ nX >> 3 ] & ( 1 << ( 7 - ( nX & 7 ) ) ) ? 1 : 0 );
  26 }
  27
  28 void BitmapReadAccess::SetPixelFor_1BIT_MSB_PAL(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
  29 {
  30     sal_uInt8& rByte = pScanline[ nX >> 3 ];
  31
  32     ( rBitmapColor.GetIndex() & 1 ) ? ( rByte |= 1 << ( 7 - ( nX & 7 ) ) ) :
  33                                       ( rByte &= ~( 1 << ( 7 - ( nX & 7 ) ) ) );
  34 }
  35
  36 BitmapColor BitmapReadAccess::GetPixelFor_1BIT_LSB_PAL(ConstScanline pScanline, long nX, const ColorMask&)
  37 {
  38     return BitmapColor( pScanline[ nX >> 3 ] & ( 1 << ( nX & 7 ) ) ? 1 : 0 );
  39 }
  40
  41 void BitmapReadAccess::SetPixelFor_1BIT_LSB_PAL(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
  42 {
  43     sal_uInt8& rByte = pScanline[ nX >> 3 ];
  44
  45     ( rBitmapColor.GetIndex() & 1 ) ? ( rByte |= 1 << ( nX & 7 ) ) :
  46                                       ( rByte &= ~( 1 << ( nX & 7 ) ) );
  47 }
  48
  49 BitmapColor BitmapReadAccess::GetPixelFor_4BIT_MSN_PAL(ConstScanline pScanline, long nX, const ColorMask&)
  50 {
  51     return BitmapColor( ( pScanline[ nX >> 1 ] >> ( nX & 1 ? 0 : 4 ) ) & 0x0f );
  52 }
  53
  54 void BitmapReadAccess::SetPixelFor_4BIT_MSN_PAL(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
  55 {
  56     sal_uInt8& rByte = pScanline[ nX >> 1 ];
  57
  58     ( nX & 1 ) ? ( rByte &= 0xf0, rByte |= ( rBitmapColor.GetIndex() & 0x0f ) ) :
  59                  ( rByte &= 0x0f, rByte |= ( rBitmapColor.GetIndex() << 4 ) );
  60 }
  61
  62 BitmapColor BitmapReadAccess::GetPixelFor_4BIT_LSN_PAL(ConstScanline pScanline, long nX, const ColorMask&)
  63 {
  64     return BitmapColor( ( pScanline[ nX >> 1 ] >> ( nX & 1 ? 4 : 0 ) ) & 0x0f );
  65 }
  66
  67 void BitmapReadAccess::SetPixelFor_4BIT_LSN_PAL(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
  68 {
  69     sal_uInt8& rByte = pScanline[ nX >> 1 ];
  70
  71     ( nX & 1 ) ? ( rByte &= 0x0f, rByte |= ( rBitmapColor.GetIndex() << 4 ) ) :
  72                  ( rByte &= 0xf0, rByte |= ( rBitmapColor.GetIndex() & 0x0f ) );
  73 }
  74
  75 BitmapColor BitmapReadAccess::GetPixelFor_8BIT_PAL(ConstScanline pScanline, long nX, const ColorMask&)
  76 {
  77     return BitmapColor( pScanline[ nX ] );
  78 }
  79
  80 void BitmapReadAccess::SetPixelFor_8BIT_PAL(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
  81 {
  82     pScanline[ nX ] = rBitmapColor.GetIndex();
  83 }
  84
  85 BitmapColor BitmapReadAccess::GetPixelFor_8BIT_TC_MASK(ConstScanline pScanline, long nX, const ColorMask& rMask)
  86 {
  87     BitmapColor aColor;
  88     rMask.GetColorFor8Bit( aColor, pScanline + nX );
  89     return aColor;
  90 }
  91
  92 void BitmapReadAccess::SetPixelFor_8BIT_TC_MASK(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask& rMask)
  93 {
  94     rMask.SetColorFor8Bit( rBitmapColor, pScanline + nX );
  95 }
  96
  97
  98 BitmapColor BitmapReadAccess::GetPixelFor_16BIT_TC_MSB_MASK(ConstScanline pScanline, long nX, const ColorMask& rMask)
  99 {
 100     BitmapColor aColor;
 101     rMask.GetColorFor16BitMSB( aColor, pScanline + ( nX << 1UL ) );
 102     return aColor;
 103 }
 104
 105 void BitmapReadAccess::SetPixelFor_16BIT_TC_MSB_MASK(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask& rMask)
 106 {
 107     rMask.SetColorFor16BitMSB( rBitmapColor, pScanline + ( nX << 1UL ) );
 108 }
 109
 110 BitmapColor BitmapReadAccess::GetPixelFor_16BIT_TC_LSB_MASK(ConstScanline pScanline, long nX, const ColorMask& rMask)
 111 {
 112     BitmapColor aColor;
 113     rMask.GetColorFor16BitLSB( aColor, pScanline + ( nX << 1UL ) );
 114     return aColor;
 115 }
 116
 117 void BitmapReadAccess::SetPixelFor_16BIT_TC_LSB_MASK(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask& rMask)
 118 {
 119     rMask.SetColorFor16BitLSB( rBitmapColor, pScanline + ( nX << 1UL ) );
 120 }
 121
 122 BitmapColor BitmapReadAccess::GetPixelFor_24BIT_TC_BGR(ConstScanline pScanline, long nX, const ColorMask&)
 123 {
 124     BitmapColor aBitmapColor;
 125
 126     aBitmapColor.SetBlue( *( pScanline = pScanline + nX * 3 )++ );
 127     aBitmapColor.SetGreen( *pScanline++ );
 128     aBitmapColor.SetRed( *pScanline );
 129
 130     return aBitmapColor;
 131 }
 132
 133 void BitmapReadAccess::SetPixelFor_24BIT_TC_BGR(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
 134 {
 135     *( pScanline = pScanline + nX * 3 )++ = rBitmapColor.GetBlue();
 136     *pScanline++ = rBitmapColor.GetGreen();
 137     *pScanline = rBitmapColor.GetRed();
 138 }
 139
 140 BitmapColor BitmapReadAccess::GetPixelFor_24BIT_TC_RGB(ConstScanline pScanline, long nX, const ColorMask&)
 141 {
 142     BitmapColor aBitmapColor;
 143
 144     aBitmapColor.SetRed( *( pScanline = pScanline + nX * 3 )++ );
 145     aBitmapColor.SetGreen( *pScanline++ );
 146     aBitmapColor.SetBlue( *pScanline );
 147
 148     return aBitmapColor;
 149 }
 150
 151 void BitmapReadAccess::SetPixelFor_24BIT_TC_RGB(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
 152 {
 153     *( pScanline = pScanline + nX * 3 )++ = rBitmapColor.GetRed();
 154     *pScanline++ = rBitmapColor.GetGreen();
 155     *pScanline = rBitmapColor.GetBlue();
 156 }
 157
 158 BitmapColor BitmapReadAccess::GetPixelFor_24BIT_TC_MASK(ConstScanline pScanline, long nX, const ColorMask& rMask)
 159 {
 160     BitmapColor aColor;
 161     rMask.GetColorFor24Bit( aColor, pScanline + nX * 3L );
 162     return aColor;
 163 }
 164
 165 void BitmapReadAccess::SetPixelFor_24BIT_TC_MASK(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask& rMask)
 166 {
 167     rMask.SetColorFor24Bit( rBitmapColor, pScanline + nX * 3L );
 168 }
 169
 170 BitmapColor BitmapReadAccess::GetPixelFor_32BIT_TC_ABGR(ConstScanline pScanline, long nX, const ColorMask&)
 171 {
 172     BitmapColor aBitmapColor;
 173
 174     aBitmapColor.SetBlue( *( pScanline = pScanline + ( nX << 2 ) + 1 )++ );
 175     aBitmapColor.SetGreen( *pScanline++ );
 176     aBitmapColor.SetRed( *pScanline );
 177
 178     return aBitmapColor;
 179 }
 180
 181 void BitmapReadAccess::SetPixelFor_32BIT_TC_ABGR(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
 182 {
 183     *( pScanline = pScanline + ( nX << 2 ) )++ = 0xFF;
 184     *pScanline++ = rBitmapColor.GetBlue();
 185     *pScanline++ = rBitmapColor.GetGreen();
 186     *pScanline = rBitmapColor.GetRed();
 187 }
 188
 189 BitmapColor BitmapReadAccess::GetPixelFor_32BIT_TC_ARGB(ConstScanline pScanline, long nX, const ColorMask&)
 190 {
 191     BitmapColor aBitmapColor;
 192
 193     aBitmapColor.SetRed( *( pScanline = pScanline + ( nX << 2 ) + 1 )++ );
 194     aBitmapColor.SetGreen( *pScanline++ );
 195     aBitmapColor.SetBlue( *pScanline );
 196
 197     return aBitmapColor;
 198 }
 199
 200 void BitmapReadAccess::SetPixelFor_32BIT_TC_ARGB(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
 201 {
 202     *( pScanline = pScanline + ( nX << 2 ) )++ = 0xFF;
 203     *pScanline++ = rBitmapColor.GetRed();
 204     *pScanline++ = rBitmapColor.GetGreen();
 205     *pScanline = rBitmapColor.GetBlue();
 206 }
 207
 208 BitmapColor BitmapReadAccess::GetPixelFor_32BIT_TC_BGRA(ConstScanline pScanline, long nX, const ColorMask&)
 209 {
 210     BitmapColor aBitmapColor;
 211
 212     aBitmapColor.SetBlue( *( pScanline = pScanline + ( nX << 2 ) )++ );
 213     aBitmapColor.SetGreen( *pScanline++ );
 214     aBitmapColor.SetRed( *pScanline );
 215
 216     return aBitmapColor;
 217 }
 218
 219 void BitmapReadAccess::SetPixelFor_32BIT_TC_BGRA(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
 220 {
 221     *( pScanline = pScanline + ( nX << 2 ) )++ = rBitmapColor.GetBlue();
 222     *pScanline++ = rBitmapColor.GetGreen();
 223     *pScanline++ = rBitmapColor.GetRed();
 224     *pScanline = 0xFF;
 225 }
 226
 227 BitmapColor BitmapReadAccess::GetPixelFor_32BIT_TC_RGBA(ConstScanline pScanline, long nX, const ColorMask&)
 228 {
 229     BitmapColor aBitmapColor;
 230
 231     aBitmapColor.SetRed( *( pScanline = pScanline + ( nX << 2 ) )++ );
 232     aBitmapColor.SetGreen( *pScanline++ );
 233     aBitmapColor.SetBlue( *pScanline );
 234
 235     return aBitmapColor;
 236 }
 237
 238 void BitmapReadAccess::SetPixelFor_32BIT_TC_RGBA(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&)
 239 {
 240     *( pScanline = pScanline + ( nX << 2 ) )++ = rBitmapColor.GetRed();
 241     *pScanline++ = rBitmapColor.GetGreen();
 242     *pScanline++ = rBitmapColor.GetBlue();
 243     *pScanline = 0xFF;
 244 }
 245
 246 BitmapColor BitmapReadAccess::GetPixelFor_32BIT_TC_MASK(ConstScanline pScanline, long nX, const ColorMask& rMask)
 247 {
 248     BitmapColor aColor;
 249     rMask.GetColorFor32Bit( aColor, pScanline + ( nX << 2UL ) );
 250     return aColor;
 251 }
 252
 253 void BitmapReadAccess::SetPixelFor_32BIT_TC_MASK(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask& rMask)
 254 {
 255     rMask.SetColorFor32Bit( rBitmapColor, pScanline + ( nX << 2UL ) );
 256 }
 257
 258 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */