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Diffstat (limited to '')
| -rw-r--r-- | vcl/source/filter/jpeg/jpegc.cxx | 520 |
1 files changed, 520 insertions, 0 deletions
diff --git a/vcl/source/filter/jpeg/jpegc.cxx b/vcl/source/filter/jpeg/jpegc.cxx new file mode 100644 index 000000000..8807927a8 --- /dev/null +++ b/vcl/source/filter/jpeg/jpegc.cxx @@ -0,0 +1,520 @@ +/* -*- 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 <sal/config.h> +#include <sal/log.hxx> +#include <o3tl/float_int_conversion.hxx> +#include <o3tl/safeint.hxx> + +#include <stdio.h> +#include <setjmp.h> +#include <jpeglib.h> + +#include <com/sun/star/task/XStatusIndicator.hpp> + +extern "C" { +#include "transupp.h" +} + +#include "jpeg.h" +#include "JpegReader.hxx" +#include "JpegWriter.hxx" +#include <memory> +#include <unotools/configmgr.hxx> +#include <vcl/graphicfilter.hxx> + +#ifdef _MSC_VER +#pragma warning(push) +#pragma warning (disable: 4324) /* disable to __declspec(align()) aligned warning */ +#endif + +namespace { + +struct ErrorManagerStruct +{ + jpeg_error_mgr pub; + jmp_buf setjmp_buffer; +}; + +} + +#ifdef _MSC_VER +#pragma warning(pop) +#endif + +extern "C" { + +static void errorExit (j_common_ptr cinfo) +{ + char buffer[JMSG_LENGTH_MAX]; + (*cinfo->err->format_message) (cinfo, buffer); + SAL_WARN("vcl.filter", "fatal failure reading JPEG: " << buffer); + ErrorManagerStruct * error = reinterpret_cast<ErrorManagerStruct *>(cinfo->err); + longjmp(error->setjmp_buffer, 1); +} + +static void outputMessage (j_common_ptr cinfo) +{ + char buffer[JMSG_LENGTH_MAX]; + (*cinfo->err->format_message) (cinfo, buffer); + SAL_WARN("vcl.filter", "failure reading JPEG: " << buffer); +} + +} + +static int GetWarningLimit() +{ + return utl::ConfigManager::IsFuzzing() ? 5 : 1000; +} + +extern "C" { + +static void emitMessage (j_common_ptr cinfo, int msg_level) +{ + if (msg_level < 0) + { + // ofz#3002 try to retain some degree of recoverability up to some + // reasonable limit (initially using ImageMagick's current limit of + // 1000), then bail. + // https://libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf + if (++cinfo->err->num_warnings > GetWarningLimit()) + cinfo->err->error_exit(cinfo); + else + cinfo->err->output_message(cinfo); + } + else if (cinfo->err->trace_level >= msg_level) + cinfo->err->output_message(cinfo); +} + +} + +namespace { + +class JpegDecompressOwner +{ +public: + void set(jpeg_decompress_struct *cinfo) + { + m_cinfo = cinfo; + } + ~JpegDecompressOwner() + { + if (m_cinfo != nullptr) + { + jpeg_destroy_decompress(m_cinfo); + } + } +private: + jpeg_decompress_struct *m_cinfo = nullptr; +}; + +class JpegCompressOwner +{ +public: + void set(jpeg_compress_struct *cinfo) + { + m_cinfo = cinfo; + } + ~JpegCompressOwner() + { + if (m_cinfo != nullptr) + { + jpeg_destroy_compress(m_cinfo); + } + } +private: + jpeg_compress_struct *m_cinfo = nullptr; +}; + +struct JpegStuff +{ + jpeg_decompress_struct cinfo; + ErrorManagerStruct jerr; + JpegDecompressOwner aOwner; + std::unique_ptr<BitmapScopedWriteAccess> pScopedAccess; + std::vector<sal_uInt8> pScanLineBuffer; + std::vector<sal_uInt8> pCYMKBuffer; +}; + +} + +static void ReadJPEG(JpegStuff& rContext, JPEGReader* pJPEGReader, void* pInputStream, tools::Long* pLines, + GraphicFilterImportFlags nImportFlags, + BitmapScopedWriteAccess* ppAccess) +{ + if (setjmp(rContext.jerr.setjmp_buffer)) + { + return; + } + + rContext.cinfo.err = jpeg_std_error(&rContext.jerr.pub); + rContext.jerr.pub.error_exit = errorExit; + rContext.jerr.pub.output_message = outputMessage; + rContext.jerr.pub.emit_message = emitMessage; + + jpeg_create_decompress(&rContext.cinfo); + rContext.aOwner.set(&rContext.cinfo); + jpeg_svstream_src(&rContext.cinfo, pInputStream); + SourceManagerStruct *source = reinterpret_cast<SourceManagerStruct*>(rContext.cinfo.src); + jpeg_read_header(&rContext.cinfo, TRUE); + + rContext.cinfo.scale_num = 1; + rContext.cinfo.scale_denom = 1; + rContext.cinfo.output_gamma = 1.0; + rContext.cinfo.raw_data_out = FALSE; + rContext.cinfo.quantize_colors = FALSE; + + jpeg_calc_output_dimensions(&rContext.cinfo); + + tools::Long nWidth = rContext.cinfo.output_width; + tools::Long nHeight = rContext.cinfo.output_height; + + tools::Long nResult = 0; + if (utl::ConfigManager::IsFuzzing() && (o3tl::checked_multiply(nWidth, nHeight, nResult) || nResult > 4000000)) + return; + + bool bGray = (rContext.cinfo.output_components == 1); + + JPEGCreateBitmapParam aCreateBitmapParam; + + aCreateBitmapParam.nWidth = nWidth; + aCreateBitmapParam.nHeight = nHeight; + + aCreateBitmapParam.density_unit = rContext.cinfo.density_unit; + aCreateBitmapParam.X_density = rContext.cinfo.X_density; + aCreateBitmapParam.Y_density = rContext.cinfo.Y_density; + aCreateBitmapParam.bGray = bGray; + + const auto bOnlyCreateBitmap = static_cast<bool>(nImportFlags & GraphicFilterImportFlags::OnlyCreateBitmap); + const auto bUseExistingBitmap = static_cast<bool>(nImportFlags & GraphicFilterImportFlags::UseExistingBitmap); + bool bBitmapCreated = bUseExistingBitmap; + if (!bBitmapCreated) + bBitmapCreated = pJPEGReader->CreateBitmap(aCreateBitmapParam); + + if (bBitmapCreated && !bOnlyCreateBitmap) + { + if (nImportFlags & GraphicFilterImportFlags::UseExistingBitmap) + // ppAccess must be set if this flag is used. + assert(ppAccess); + else + rContext.pScopedAccess.reset(new BitmapScopedWriteAccess(pJPEGReader->GetBitmap())); + + BitmapScopedWriteAccess& pAccess = bUseExistingBitmap ? *ppAccess : *rContext.pScopedAccess; + + if (pAccess) + { + int nPixelSize = 3; + J_COLOR_SPACE best_out_color_space = JCS_RGB; + ScanlineFormat eScanlineFormat = ScanlineFormat::N24BitTcRgb; + ScanlineFormat eFinalFormat = pAccess->GetScanlineFormat(); + + if (bGray) + { + best_out_color_space = JCS_GRAYSCALE; + eScanlineFormat = ScanlineFormat::N8BitPal; + nPixelSize = 1; + } +#if defined(JCS_EXTENSIONS) + else if (eFinalFormat == ScanlineFormat::N24BitTcBgr) + { + best_out_color_space = JCS_EXT_BGR; + eScanlineFormat = eFinalFormat; + nPixelSize = 3; + } + else if (eFinalFormat == ScanlineFormat::N32BitTcBgra) + { + best_out_color_space = JCS_EXT_BGRA; + eScanlineFormat = eFinalFormat; + nPixelSize = 4; + } + else if (eFinalFormat == ScanlineFormat::N32BitTcRgba) + { + best_out_color_space = JCS_EXT_RGBA; + eScanlineFormat = eFinalFormat; + nPixelSize = 4; + } + else if (eFinalFormat == ScanlineFormat::N32BitTcArgb) + { + best_out_color_space = JCS_EXT_ARGB; + eScanlineFormat = eFinalFormat; + nPixelSize = 4; + } +#endif + if (rContext.cinfo.jpeg_color_space == JCS_YCCK) + rContext.cinfo.out_color_space = JCS_CMYK; + + if (rContext.cinfo.out_color_space != JCS_CMYK) + rContext.cinfo.out_color_space = best_out_color_space; + + jpeg_start_decompress(&rContext.cinfo); + + JSAMPLE* aRangeLimit = rContext.cinfo.sample_range_limit; + + rContext.pScanLineBuffer.resize(nWidth * nPixelSize); + + if (rContext.cinfo.out_color_space == JCS_CMYK) + { + rContext.pCYMKBuffer.resize(nWidth * 4); + } + + // tdf#138950 allow up to one short read (no_data_available_failures <= 1) to not trigger cancelling import + for (*pLines = 0; *pLines < nHeight && source->no_data_available_failures <= 1; (*pLines)++) + { + size_t yIndex = *pLines; + + sal_uInt8* p = (rContext.cinfo.out_color_space == JCS_CMYK) ? rContext.pCYMKBuffer.data() : rContext.pScanLineBuffer.data(); + jpeg_read_scanlines(&rContext.cinfo, reinterpret_cast<JSAMPARRAY>(&p), 1); + + if (rContext.cinfo.out_color_space == JCS_CMYK) + { + // convert CMYK to RGB + Scanline pScanline = pAccess->GetScanline(yIndex); + for (tools::Long cmyk = 0, x = 0; cmyk < nWidth * 4; cmyk += 4, ++x) + { + int color_C = 255 - rContext.pCYMKBuffer[cmyk + 0]; + int color_M = 255 - rContext.pCYMKBuffer[cmyk + 1]; + int color_Y = 255 - rContext.pCYMKBuffer[cmyk + 2]; + int color_K = 255 - rContext.pCYMKBuffer[cmyk + 3]; + + sal_uInt8 cRed = aRangeLimit[255L - (color_C + color_K)]; + sal_uInt8 cGreen = aRangeLimit[255L - (color_M + color_K)]; + sal_uInt8 cBlue = aRangeLimit[255L - (color_Y + color_K)]; + + pAccess->SetPixelOnData(pScanline, x, BitmapColor(cRed, cGreen, cBlue)); + } + } + else + { + pAccess->CopyScanline(yIndex, rContext.pScanLineBuffer.data(), eScanlineFormat, rContext.pScanLineBuffer.size()); + } + + /* PENDING ??? */ + if (rContext.cinfo.err->msg_code == 113) + break; + } + + rContext.pScanLineBuffer.clear(); + rContext.pCYMKBuffer.clear(); + } + rContext.pScopedAccess.reset(); + } + + if (bBitmapCreated && !bOnlyCreateBitmap) + { + jpeg_finish_decompress(&rContext.cinfo); + } + else + { + jpeg_abort_decompress(&rContext.cinfo); + } +} + +void ReadJPEG( JPEGReader* pJPEGReader, void* pInputStream, tools::Long* pLines, + GraphicFilterImportFlags nImportFlags, + BitmapScopedWriteAccess* ppAccess ) +{ + JpegStuff aContext; + ReadJPEG(aContext, pJPEGReader, pInputStream, pLines, nImportFlags, ppAccess); +} + +bool WriteJPEG( JPEGWriter* pJPEGWriter, void* pOutputStream, + tools::Long nWidth, tools::Long nHeight, basegfx::B2DSize const & rPPI, bool bGreys, + tools::Long nQualityPercent, tools::Long aChromaSubsampling, + css::uno::Reference<css::task::XStatusIndicator> const & status ) +{ + jpeg_compress_struct cinfo; + ErrorManagerStruct jerr; + void* pScanline; + tools::Long nY; + + JpegCompressOwner aOwner; + + if ( setjmp( jerr.setjmp_buffer ) ) + { + return false; + } + + cinfo.err = jpeg_std_error( &jerr.pub ); + jerr.pub.error_exit = errorExit; + jerr.pub.output_message = outputMessage; + + jpeg_create_compress( &cinfo ); + aOwner.set(&cinfo); + jpeg_svstream_dest( &cinfo, pOutputStream ); + + cinfo.image_width = static_cast<JDIMENSION>(nWidth); + cinfo.image_height = static_cast<JDIMENSION>(nHeight); + if ( bGreys ) + { + cinfo.input_components = 1; + cinfo.in_color_space = JCS_GRAYSCALE; + } + else + { + cinfo.input_components = 3; + cinfo.in_color_space = JCS_RGB; + } + + jpeg_set_defaults( &cinfo ); + jpeg_set_quality( &cinfo, static_cast<int>(nQualityPercent), FALSE ); + + if (o3tl::convertsToAtMost(rPPI.getX(), 65535) && o3tl::convertsToAtMost(rPPI.getY(), 65535)) + { + cinfo.density_unit = 1; + cinfo.X_density = rPPI.getX(); + cinfo.Y_density = rPPI.getY(); + } + else + { + SAL_WARN("vcl.filter", "ignoring too large PPI " << rPPI); + } + + if ( ( nWidth > 128 ) || ( nHeight > 128 ) ) + jpeg_simple_progression( &cinfo ); + + if (aChromaSubsampling == 1) // YUV 4:4:4 + { + cinfo.comp_info[0].h_samp_factor = 1; + cinfo.comp_info[0].v_samp_factor = 1; + } + else if (aChromaSubsampling == 2) // YUV 4:2:2 + { + cinfo.comp_info[0].h_samp_factor = 2; + cinfo.comp_info[0].v_samp_factor = 1; + } + else if (aChromaSubsampling == 3) // YUV 4:2:0 + { + cinfo.comp_info[0].h_samp_factor = 2; + cinfo.comp_info[0].v_samp_factor = 2; + } + + jpeg_start_compress( &cinfo, TRUE ); + + for( nY = 0; nY < nHeight; nY++ ) + { + pScanline = pJPEGWriter->GetScanline( nY ); + + if( pScanline ) + { + jpeg_write_scanlines( &cinfo, reinterpret_cast<JSAMPARRAY>(&pScanline), 1 ); + } + + if( status.is() ) + { + status->setValue( nY * 100L / nHeight ); + } + } + + jpeg_finish_compress(&cinfo); + + return true; +} + +void Transform(void* pInputStream, void* pOutputStream, Degree10 nAngle) +{ + jpeg_transform_info aTransformOption; + JCOPY_OPTION aCopyOption = JCOPYOPT_ALL; + + jpeg_decompress_struct aSourceInfo; + jpeg_compress_struct aDestinationInfo; + ErrorManagerStruct aSourceError; + ErrorManagerStruct aDestinationError; + + jvirt_barray_ptr* aSourceCoefArrays = nullptr; + jvirt_barray_ptr* aDestinationCoefArrays = nullptr; + + aTransformOption.force_grayscale = FALSE; + aTransformOption.trim = FALSE; + aTransformOption.perfect = FALSE; + aTransformOption.crop = FALSE; + + // Angle to transform option + // 90 Clockwise = 270 Counterclockwise + switch (nAngle.get()) + { + case 2700: + aTransformOption.transform = JXFORM_ROT_90; + break; + case 1800: + aTransformOption.transform = JXFORM_ROT_180; + break; + case 900: + aTransformOption.transform = JXFORM_ROT_270; + break; + default: + aTransformOption.transform = JXFORM_NONE; + } + + // Decompression + aSourceInfo.err = jpeg_std_error(&aSourceError.pub); + aSourceInfo.err->error_exit = errorExit; + aSourceInfo.err->output_message = outputMessage; + + // Compression + aDestinationInfo.err = jpeg_std_error(&aDestinationError.pub); + aDestinationInfo.err->error_exit = errorExit; + aDestinationInfo.err->output_message = outputMessage; + + aDestinationInfo.optimize_coding = TRUE; + + JpegDecompressOwner aDecompressOwner; + JpegCompressOwner aCompressOwner; + + if (setjmp(aSourceError.setjmp_buffer)) + { + jpeg_destroy_decompress(&aSourceInfo); + jpeg_destroy_compress(&aDestinationInfo); + return; + } + if (setjmp(aDestinationError.setjmp_buffer)) + { + jpeg_destroy_decompress(&aSourceInfo); + jpeg_destroy_compress(&aDestinationInfo); + return; + } + + jpeg_create_decompress(&aSourceInfo); + aDecompressOwner.set(&aSourceInfo); + jpeg_create_compress(&aDestinationInfo); + aCompressOwner.set(&aDestinationInfo); + + jpeg_svstream_src (&aSourceInfo, pInputStream); + + jcopy_markers_setup(&aSourceInfo, aCopyOption); + jpeg_read_header(&aSourceInfo, TRUE); + jtransform_request_workspace(&aSourceInfo, &aTransformOption); + + aSourceCoefArrays = jpeg_read_coefficients(&aSourceInfo); + jpeg_copy_critical_parameters(&aSourceInfo, &aDestinationInfo); + + aDestinationCoefArrays = jtransform_adjust_parameters(&aSourceInfo, &aDestinationInfo, aSourceCoefArrays, &aTransformOption); + jpeg_svstream_dest (&aDestinationInfo, pOutputStream); + + // Compute optimal Huffman coding tables instead of precomputed tables + aDestinationInfo.optimize_coding = TRUE; + jpeg_write_coefficients(&aDestinationInfo, aDestinationCoefArrays); + jcopy_markers_execute(&aSourceInfo, &aDestinationInfo, aCopyOption); + jtransform_execute_transformation(&aSourceInfo, &aDestinationInfo, aSourceCoefArrays, &aTransformOption); + + jpeg_finish_compress(&aDestinationInfo); + + jpeg_finish_decompress(&aSourceInfo); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |