diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /vcl/source/gdi/bmpacc2.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/source/gdi/bmpacc2.cxx')
-rw-r--r-- | vcl/source/gdi/bmpacc2.cxx | 362 |
1 files changed, 362 insertions, 0 deletions
diff --git a/vcl/source/gdi/bmpacc2.cxx b/vcl/source/gdi/bmpacc2.cxx new file mode 100644 index 000000000..9210d5222 --- /dev/null +++ b/vcl/source/gdi/bmpacc2.cxx @@ -0,0 +1,362 @@ +/* -*- 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 . + */ + +#include <vcl/bitmapaccess.hxx> +#include <vcl/BitmapTools.hxx> + +BitmapColor BitmapReadAccess::GetPixelForN1BitMsbPal(ConstScanline pScanline, long nX, const ColorMask&) +{ + return BitmapColor( pScanline[ nX >> 3 ] & ( 1 << ( 7 - ( nX & 7 ) ) ) ? 1 : 0 ); +} + +void BitmapReadAccess::SetPixelForN1BitMsbPal(const Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + sal_uInt8& rByte = pScanline[ nX >> 3 ]; + + if ( rBitmapColor.GetIndex() & 1 ) + rByte |= 1 << ( 7 - ( nX & 7 ) ); + else + rByte &= ~( 1 << ( 7 - ( nX & 7 ) ) ); +} + +BitmapColor BitmapReadAccess::GetPixelForN1BitLsbPal(ConstScanline pScanline, long nX, const ColorMask&) +{ + return BitmapColor( pScanline[ nX >> 3 ] & ( 1 << ( nX & 7 ) ) ? 1 : 0 ); +} + +void BitmapReadAccess::SetPixelForN1BitLsbPal(const Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + sal_uInt8& rByte = pScanline[ nX >> 3 ]; + + if ( rBitmapColor.GetIndex() & 1 ) + rByte |= 1 << ( nX & 7 ); + else + rByte &= ~( 1 << ( nX & 7 ) ); +} + +BitmapColor BitmapReadAccess::GetPixelForN4BitMsnPal(ConstScanline pScanline, long nX, const ColorMask&) +{ + return BitmapColor( ( pScanline[ nX >> 1 ] >> ( nX & 1 ? 0 : 4 ) ) & 0x0f ); +} + +void BitmapReadAccess::SetPixelForN4BitMsnPal(const Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + sal_uInt8& rByte = pScanline[ nX >> 1 ]; + + if ( nX & 1 ) + { + rByte &= 0xf0; + rByte |= ( rBitmapColor.GetIndex() & 0x0f ); + } + else + { + rByte &= 0x0f; + rByte |= ( rBitmapColor.GetIndex() << 4 ); + } +} + +BitmapColor BitmapReadAccess::GetPixelForN4BitLsnPal(ConstScanline pScanline, long nX, const ColorMask&) +{ + return BitmapColor( ( pScanline[ nX >> 1 ] >> ( nX & 1 ? 4 : 0 ) ) & 0x0f ); +} + +void BitmapReadAccess::SetPixelForN4BitLsnPal(const Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + sal_uInt8& rByte = pScanline[ nX >> 1 ]; + + if ( nX & 1 ) + { + rByte &= 0x0f; + rByte |= ( rBitmapColor.GetIndex() << 4 ); + } + else + { + rByte &= 0xf0; + rByte |= ( rBitmapColor.GetIndex() & 0x0f ); + } +} + +BitmapColor BitmapReadAccess::GetPixelForN8BitPal(ConstScanline pScanline, long nX, const ColorMask&) +{ + return BitmapColor( pScanline[ nX ] ); +} + +void BitmapReadAccess::SetPixelForN8BitPal(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + pScanline[ nX ] = rBitmapColor.GetIndex(); +} + +BitmapColor BitmapReadAccess::GetPixelForN8BitTcMask(ConstScanline pScanline, long nX, const ColorMask& rMask) +{ + BitmapColor aColor; + rMask.GetColorFor8Bit( aColor, pScanline + nX ); + return aColor; +} + +void BitmapReadAccess::SetPixelForN8BitTcMask(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask& rMask) +{ + rMask.SetColorFor8Bit( rBitmapColor, pScanline + nX ); +} + + +BitmapColor BitmapReadAccess::GetPixelForN24BitTcBgr(ConstScanline pScanline, long nX, const ColorMask&) +{ + BitmapColor aBitmapColor; + + pScanline = pScanline + nX * 3; + aBitmapColor.SetBlue( *pScanline++ ); + aBitmapColor.SetGreen( *pScanline++ ); + aBitmapColor.SetRed( *pScanline ); + + return aBitmapColor; +} + +void BitmapReadAccess::SetPixelForN24BitTcBgr(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + pScanline = pScanline + nX * 3; + *pScanline++ = rBitmapColor.GetBlue(); + *pScanline++ = rBitmapColor.GetGreen(); + *pScanline = rBitmapColor.GetRed(); +} + +BitmapColor BitmapReadAccess::GetPixelForN24BitTcRgb(ConstScanline pScanline, long nX, const ColorMask&) +{ + BitmapColor aBitmapColor; + + pScanline = pScanline + nX * 3; + aBitmapColor.SetRed( *pScanline++ ); + aBitmapColor.SetGreen( *pScanline++ ); + aBitmapColor.SetBlue( *pScanline ); + + return aBitmapColor; +} + +void BitmapReadAccess::SetPixelForN24BitTcRgb(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + pScanline = pScanline + nX * 3; + *pScanline++ = rBitmapColor.GetRed(); + *pScanline++ = rBitmapColor.GetGreen(); + *pScanline = rBitmapColor.GetBlue(); +} + +BitmapColor BitmapReadAccess::GetPixelForN32BitTcAbgr(ConstScanline pScanline, long nX, const ColorMask&) +{ + pScanline = pScanline + nX * 4; + + sal_uInt8 a = *pScanline++; + sal_uInt8 b = *pScanline++; + sal_uInt8 g = *pScanline++; + sal_uInt8 r = *pScanline; + + return BitmapColor( + vcl::bitmap::unpremultiply(r, a), + vcl::bitmap::unpremultiply(g, a), + vcl::bitmap::unpremultiply(b, a), + 0xFF - a); +} + +BitmapColor BitmapReadAccess::GetPixelForN32BitTcXbgr(ConstScanline pScanline, long nX, const ColorMask&) +{ + BitmapColor aBitmapColor; + + pScanline = pScanline + ( nX << 2 ) + 1; + aBitmapColor.SetBlue( *pScanline++ ); + aBitmapColor.SetGreen( *pScanline++ ); + aBitmapColor.SetRed( *pScanline ); + + return aBitmapColor; +} + +void BitmapReadAccess::SetPixelForN32BitTcAbgr(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + pScanline = pScanline + nX * 4; + + sal_uInt8 alpha = 0xFF - rBitmapColor.GetAlpha(); + *pScanline++ = alpha; + *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetBlue(), alpha); + *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetGreen(), alpha); + *pScanline = vcl::bitmap::premultiply(rBitmapColor.GetRed(), alpha); +} + +void BitmapReadAccess::SetPixelForN32BitTcXbgr(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + pScanline = pScanline + ( nX << 2 ); + *pScanline++ = 0xFF; + *pScanline++ = rBitmapColor.GetBlue(); + *pScanline++ = rBitmapColor.GetGreen(); + *pScanline = rBitmapColor.GetRed(); +} + +BitmapColor BitmapReadAccess::GetPixelForN32BitTcArgb(ConstScanline pScanline, long nX, const ColorMask&) +{ + pScanline = pScanline + nX * 4; + + sal_uInt8 a = *pScanline++; + sal_uInt8 r = *pScanline++; + sal_uInt8 g = *pScanline++; + sal_uInt8 b = *pScanline; + + return BitmapColor( + vcl::bitmap::unpremultiply(r, a), + vcl::bitmap::unpremultiply(g, a), + vcl::bitmap::unpremultiply(b, a), + 0xFF - a); +} + +BitmapColor BitmapReadAccess::GetPixelForN32BitTcXrgb(ConstScanline pScanline, long nX, const ColorMask&) +{ + BitmapColor aBitmapColor; + + pScanline = pScanline + ( nX << 2 ) + 1; + aBitmapColor.SetRed( *pScanline++ ); + aBitmapColor.SetGreen( *pScanline++ ); + aBitmapColor.SetBlue( *pScanline ); + + return aBitmapColor; +} + +void BitmapReadAccess::SetPixelForN32BitTcArgb(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + pScanline = pScanline + nX * 4; + + sal_uInt8 alpha = 0xFF - rBitmapColor.GetAlpha(); + *pScanline++ = alpha; + *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetRed(), alpha); + *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetGreen(), alpha); + *pScanline = vcl::bitmap::premultiply(rBitmapColor.GetBlue(), alpha); +} + +void BitmapReadAccess::SetPixelForN32BitTcXrgb(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + pScanline = pScanline + ( nX << 2 ); + *pScanline++ = 0xFF; + *pScanline++ = rBitmapColor.GetRed(); + *pScanline++ = rBitmapColor.GetGreen(); + *pScanline = rBitmapColor.GetBlue(); +} + +BitmapColor BitmapReadAccess::GetPixelForN32BitTcBgra(ConstScanline pScanline, long nX, const ColorMask&) +{ + pScanline = pScanline + nX * 4; + + sal_uInt8 b = *pScanline++; + sal_uInt8 g = *pScanline++; + sal_uInt8 r = *pScanline++; + sal_uInt8 a = *pScanline; + + return BitmapColor( + vcl::bitmap::unpremultiply(r, a), + vcl::bitmap::unpremultiply(g, a), + vcl::bitmap::unpremultiply(b, a), + 0xFF - a); +} + +BitmapColor BitmapReadAccess::GetPixelForN32BitTcBgrx(ConstScanline pScanline, long nX, const ColorMask&) +{ + BitmapColor aBitmapColor; + + pScanline = pScanline + ( nX << 2 ); + aBitmapColor.SetBlue( *pScanline++ ); + aBitmapColor.SetGreen( *pScanline++ ); + aBitmapColor.SetRed( *pScanline ); + + return aBitmapColor; +} + +void BitmapReadAccess::SetPixelForN32BitTcBgra(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + pScanline = pScanline + nX * 4; + + sal_uInt8 alpha = 0xFF - rBitmapColor.GetAlpha(); + *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetBlue(), alpha); + *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetGreen(), alpha); + *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetRed(), alpha); + *pScanline = alpha; +} + +void BitmapReadAccess::SetPixelForN32BitTcBgrx(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + pScanline = pScanline + ( nX << 2 ); + *pScanline++ = rBitmapColor.GetBlue(); + *pScanline++ = rBitmapColor.GetGreen(); + *pScanline++ = rBitmapColor.GetRed(); + *pScanline = 0xFF; +} + +BitmapColor BitmapReadAccess::GetPixelForN32BitTcRgba(ConstScanline pScanline, long nX, const ColorMask&) +{ + pScanline = pScanline + nX * 4; + + sal_uInt8 r = *pScanline++; + sal_uInt8 g = *pScanline++; + sal_uInt8 b = *pScanline++; + sal_uInt8 a = *pScanline; + + return BitmapColor( + vcl::bitmap::unpremultiply(r, a), + vcl::bitmap::unpremultiply(g, a), + vcl::bitmap::unpremultiply(b, a), + 0xFF - a); +} + +BitmapColor BitmapReadAccess::GetPixelForN32BitTcRgbx(ConstScanline pScanline, long nX, const ColorMask&) +{ + BitmapColor aBitmapColor; + + pScanline = pScanline + ( nX << 2 ); + aBitmapColor.SetRed( *pScanline++ ); + aBitmapColor.SetGreen( *pScanline++ ); + aBitmapColor.SetBlue( *pScanline ); + + return aBitmapColor; +} + +void BitmapReadAccess::SetPixelForN32BitTcRgba(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + pScanline = pScanline + nX * 4; + + sal_uInt8 alpha = 0xFF - rBitmapColor.GetAlpha(); + *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetRed(), alpha); + *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetGreen(), alpha); + *pScanline++ = vcl::bitmap::premultiply(rBitmapColor.GetBlue(), alpha); + *pScanline = alpha; +} + +void BitmapReadAccess::SetPixelForN32BitTcRgbx(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask&) +{ + pScanline = pScanline + ( nX << 2 ); + *pScanline++ = rBitmapColor.GetRed(); + *pScanline++ = rBitmapColor.GetGreen(); + *pScanline++ = rBitmapColor.GetBlue(); + *pScanline = 0xFF; +} + +BitmapColor BitmapReadAccess::GetPixelForN32BitTcMask(ConstScanline pScanline, long nX, const ColorMask& rMask) +{ + BitmapColor aColor; + rMask.GetColorFor32Bit( aColor, pScanline + ( nX << 2 ) ); + return aColor; +} + +void BitmapReadAccess::SetPixelForN32BitTcMask(Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask& rMask) +{ + rMask.SetColorFor32Bit( rBitmapColor, pScanline + ( nX << 2 ) ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |