Avoid throwing C++ exception across libjpeg C frames
It causes trouble at least for (non-debug) 32-bit ARM Flatpak builds, where
CppunitTest_vcl_filters_test aborts with an uncaught css::uno::RuntimeException.
This is a partial revert of 6889fa826e "rework
jpeg error handling to throw rather than setjmp to avoid leaks", switching back
to setjmp/longjmp but trying to keep the leaks fixed by introducing any relevant
local variables before the setjmps.
Change-Id: Ia5984528ea98be1c89a21aee800b247120f88a89
Reviewed-on: https://gerrit.libreoffice.org/43494
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
This commit is contained in:
Stephan Bergmann
parent
fdd0077568
commit
cfbb8b5090
1 changed files with 345 additions and 310 deletions
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@ -21,6 +21,7 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <setjmp.h>
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#include <jpeglib.h>
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#include <jerror.h>
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@ -37,12 +38,28 @@ extern "C" {
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#include <vcl/bitmapaccess.hxx>
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#include <vcl/graphicfilter.hxx>
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#ifdef _MSC_VER
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#pragma warning(push, 1) /* disable to __declspec(align()) aligned warning */
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#pragma warning (disable: 4324)
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#endif
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struct ErrorManagerStruct
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{
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jpeg_error_mgr pub;
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jmp_buf setjmp_buffer;
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};
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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extern "C" void errorExit (j_common_ptr cinfo)
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{
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char buffer[JMSG_LENGTH_MAX];
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(*cinfo->err->format_message) (cinfo, buffer);
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SAL_WARN("vcl.filter", "fatal failure reading JPEG: " << buffer);
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throw css::uno::RuntimeException(OUString(buffer, strlen(buffer), RTL_TEXTENCODING_ASCII_US));
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ErrorManagerStruct * error = reinterpret_cast<ErrorManagerStruct *>(cinfo->err);
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longjmp(error->setjmp_buffer, 1);
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}
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extern "C" void outputMessage (j_common_ptr cinfo)
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@ -55,226 +72,239 @@ extern "C" void outputMessage (j_common_ptr cinfo)
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class JpegDecompressOwner
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{
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public:
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JpegDecompressOwner(jpeg_decompress_struct &cinfo) : m_cinfo(cinfo)
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void set(jpeg_decompress_struct *cinfo)
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{
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m_cinfo = cinfo;
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}
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~JpegDecompressOwner()
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{
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jpeg_destroy_decompress(&m_cinfo);
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if (m_cinfo != nullptr)
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{
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jpeg_destroy_decompress(m_cinfo);
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}
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}
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private:
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jpeg_decompress_struct &m_cinfo;
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jpeg_decompress_struct *m_cinfo = nullptr;
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};
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class JpegCompressOwner
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{
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public:
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JpegCompressOwner(jpeg_compress_struct &cinfo) : m_cinfo(cinfo)
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void set(jpeg_compress_struct *cinfo)
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{
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m_cinfo = cinfo;
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}
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~JpegCompressOwner()
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{
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jpeg_destroy_compress(&m_cinfo);
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if (m_cinfo != nullptr)
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{
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jpeg_destroy_compress(m_cinfo);
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}
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}
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private:
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jpeg_compress_struct &m_cinfo;
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jpeg_compress_struct *m_cinfo = nullptr;
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};
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void ReadJPEG( JPEGReader* pJPEGReader, void* pInputStream, long* pLines,
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Size const & previewSize, GraphicFilterImportFlags nImportFlags,
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Bitmap::ScopedWriteAccess* ppAccess )
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{
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try
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jpeg_decompress_struct cinfo;
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ErrorManagerStruct jerr;
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JpegDecompressOwner aOwner;
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std::unique_ptr<Bitmap::ScopedWriteAccess> pScopedAccess;
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std::vector<sal_uInt8> pScanLineBuffer;
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std::vector<sal_uInt8> pCYMKBuffer;
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if ( setjmp( jerr.setjmp_buffer ) )
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{
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jpeg_decompress_struct cinfo;
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jpeg_error_mgr jerr;
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return;
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}
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cinfo.err = jpeg_std_error( &jerr );
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jerr.error_exit = errorExit;
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jerr.output_message = outputMessage;
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cinfo.err = jpeg_std_error( &jerr.pub );
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jerr.pub.error_exit = errorExit;
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jerr.pub.output_message = outputMessage;
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jpeg_create_decompress( &cinfo );
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JpegDecompressOwner aOwner(cinfo);
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jpeg_svstream_src( &cinfo, pInputStream );
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SourceManagerStruct *source = reinterpret_cast<SourceManagerStruct*>(cinfo.src);
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jpeg_read_header( &cinfo, TRUE );
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jpeg_create_decompress( &cinfo );
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aOwner.set(&cinfo);
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jpeg_svstream_src( &cinfo, pInputStream );
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SourceManagerStruct *source = reinterpret_cast<SourceManagerStruct*>(cinfo.src);
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jpeg_read_header( &cinfo, TRUE );
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cinfo.scale_num = 1;
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cinfo.scale_denom = 1;
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cinfo.output_gamma = 1.0;
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cinfo.raw_data_out = FALSE;
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cinfo.quantize_colors = FALSE;
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cinfo.scale_num = 1;
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cinfo.scale_denom = 1;
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cinfo.output_gamma = 1.0;
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cinfo.raw_data_out = FALSE;
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cinfo.quantize_colors = FALSE;
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/* change scale for preview import */
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long nPreviewWidth = previewSize.Width();
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long nPreviewHeight = previewSize.Height();
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if( nPreviewWidth || nPreviewHeight )
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/* change scale for preview import */
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long nPreviewWidth = previewSize.Width();
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long nPreviewHeight = previewSize.Height();
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if( nPreviewWidth || nPreviewHeight )
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{
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if( nPreviewWidth == 0 )
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{
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if( nPreviewWidth == 0 )
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nPreviewWidth = ( cinfo.image_width * nPreviewHeight ) / cinfo.image_height;
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if( nPreviewWidth <= 0 )
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{
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nPreviewWidth = ( cinfo.image_width * nPreviewHeight ) / cinfo.image_height;
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if( nPreviewWidth <= 0 )
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{
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nPreviewWidth = 1;
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}
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nPreviewWidth = 1;
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}
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else if( nPreviewHeight == 0 )
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}
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else if( nPreviewHeight == 0 )
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{
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nPreviewHeight = ( cinfo.image_height * nPreviewWidth ) / cinfo.image_width;
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if( nPreviewHeight <= 0 )
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{
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nPreviewHeight = ( cinfo.image_height * nPreviewWidth ) / cinfo.image_width;
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if( nPreviewHeight <= 0 )
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{
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nPreviewHeight = 1;
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}
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}
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for( cinfo.scale_denom = 1; cinfo.scale_denom < 8; cinfo.scale_denom *= 2 )
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{
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if( cinfo.image_width < nPreviewWidth * cinfo.scale_denom )
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break;
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if( cinfo.image_height < nPreviewHeight * cinfo.scale_denom )
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break;
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}
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if( cinfo.scale_denom > 1 )
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{
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cinfo.dct_method = JDCT_FASTEST;
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cinfo.do_fancy_upsampling = FALSE;
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cinfo.do_block_smoothing = FALSE;
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nPreviewHeight = 1;
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}
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}
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jpeg_calc_output_dimensions(&cinfo);
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long nWidth = cinfo.output_width;
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long nHeight = cinfo.output_height;
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bool bGray = (cinfo.output_components == 1);
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JPEGCreateBitmapParam aCreateBitmapParam;
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aCreateBitmapParam.nWidth = nWidth;
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aCreateBitmapParam.nHeight = nHeight;
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aCreateBitmapParam.density_unit = cinfo.density_unit;
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aCreateBitmapParam.X_density = cinfo.X_density;
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aCreateBitmapParam.Y_density = cinfo.Y_density;
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aCreateBitmapParam.bGray = bGray;
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const auto bOnlyCreateBitmap = static_cast<bool>(nImportFlags & GraphicFilterImportFlags::OnlyCreateBitmap);
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const auto bUseExistingBitmap = static_cast<bool>(nImportFlags & GraphicFilterImportFlags::UseExistingBitmap);
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bool bBitmapCreated = bUseExistingBitmap;
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if (!bBitmapCreated)
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bBitmapCreated = pJPEGReader->CreateBitmap(aCreateBitmapParam);
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if (bBitmapCreated && !bOnlyCreateBitmap)
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for( cinfo.scale_denom = 1; cinfo.scale_denom < 8; cinfo.scale_denom *= 2 )
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{
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std::unique_ptr<Bitmap::ScopedWriteAccess> pScopedAccess;
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if( cinfo.image_width < nPreviewWidth * cinfo.scale_denom )
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break;
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if( cinfo.image_height < nPreviewHeight * cinfo.scale_denom )
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break;
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}
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if (nImportFlags & GraphicFilterImportFlags::UseExistingBitmap)
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// ppAccess must be set if this flag is used.
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assert(ppAccess);
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else
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pScopedAccess.reset(new Bitmap::ScopedWriteAccess(pJPEGReader->GetBitmap()));
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if( cinfo.scale_denom > 1 )
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{
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cinfo.dct_method = JDCT_FASTEST;
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cinfo.do_fancy_upsampling = FALSE;
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cinfo.do_block_smoothing = FALSE;
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}
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}
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Bitmap::ScopedWriteAccess& pAccess = bUseExistingBitmap ? *ppAccess : *pScopedAccess.get();
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jpeg_calc_output_dimensions(&cinfo);
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if (pAccess)
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long nWidth = cinfo.output_width;
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long nHeight = cinfo.output_height;
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bool bGray = (cinfo.output_components == 1);
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JPEGCreateBitmapParam aCreateBitmapParam;
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aCreateBitmapParam.nWidth = nWidth;
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aCreateBitmapParam.nHeight = nHeight;
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aCreateBitmapParam.density_unit = cinfo.density_unit;
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aCreateBitmapParam.X_density = cinfo.X_density;
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aCreateBitmapParam.Y_density = cinfo.Y_density;
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aCreateBitmapParam.bGray = bGray;
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const auto bOnlyCreateBitmap = static_cast<bool>(nImportFlags & GraphicFilterImportFlags::OnlyCreateBitmap);
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const auto bUseExistingBitmap = static_cast<bool>(nImportFlags & GraphicFilterImportFlags::UseExistingBitmap);
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bool bBitmapCreated = bUseExistingBitmap;
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if (!bBitmapCreated)
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bBitmapCreated = pJPEGReader->CreateBitmap(aCreateBitmapParam);
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if (bBitmapCreated && !bOnlyCreateBitmap)
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{
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if (nImportFlags & GraphicFilterImportFlags::UseExistingBitmap)
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// ppAccess must be set if this flag is used.
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assert(ppAccess);
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else
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pScopedAccess.reset(new Bitmap::ScopedWriteAccess(pJPEGReader->GetBitmap()));
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Bitmap::ScopedWriteAccess& pAccess = bUseExistingBitmap ? *ppAccess : *pScopedAccess.get();
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if (pAccess)
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{
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int nPixelSize = 3;
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J_COLOR_SPACE best_out_color_space = JCS_RGB;
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ScanlineFormat eScanlineFormat = ScanlineFormat::N24BitTcRgb;
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ScanlineFormat eFinalFormat = pAccess->GetScanlineFormat();
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if (bGray)
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{
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int nPixelSize = 3;
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J_COLOR_SPACE best_out_color_space = JCS_RGB;
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ScanlineFormat eScanlineFormat = ScanlineFormat::N24BitTcRgb;
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ScanlineFormat eFinalFormat = pAccess->GetScanlineFormat();
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best_out_color_space = JCS_GRAYSCALE;
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eScanlineFormat = ScanlineFormat::N8BitPal;
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nPixelSize = 1;
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}
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else if (eFinalFormat == ScanlineFormat::N32BitTcBgra)
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{
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best_out_color_space = JCS_EXT_BGRA;
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eScanlineFormat = eFinalFormat;
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nPixelSize = 4;
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}
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else if (eFinalFormat == ScanlineFormat::N32BitTcRgba)
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{
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best_out_color_space = JCS_EXT_RGBA;
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eScanlineFormat = eFinalFormat;
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nPixelSize = 4;
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}
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else if (eFinalFormat == ScanlineFormat::N32BitTcArgb)
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{
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best_out_color_space = JCS_EXT_ARGB;
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eScanlineFormat = eFinalFormat;
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nPixelSize = 4;
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}
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if (bGray)
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{
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best_out_color_space = JCS_GRAYSCALE;
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eScanlineFormat = ScanlineFormat::N8BitPal;
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nPixelSize = 1;
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}
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else if (eFinalFormat == ScanlineFormat::N32BitTcBgra)
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{
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best_out_color_space = JCS_EXT_BGRA;
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eScanlineFormat = eFinalFormat;
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nPixelSize = 4;
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}
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else if (eFinalFormat == ScanlineFormat::N32BitTcRgba)
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{
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best_out_color_space = JCS_EXT_RGBA;
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eScanlineFormat = eFinalFormat;
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nPixelSize = 4;
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}
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else if (eFinalFormat == ScanlineFormat::N32BitTcArgb)
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{
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best_out_color_space = JCS_EXT_ARGB;
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eScanlineFormat = eFinalFormat;
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nPixelSize = 4;
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}
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if (cinfo.jpeg_color_space == JCS_YCCK)
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cinfo.out_color_space = JCS_CMYK;
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if (cinfo.jpeg_color_space == JCS_YCCK)
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cinfo.out_color_space = JCS_CMYK;
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if (cinfo.out_color_space != JCS_CMYK)
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cinfo.out_color_space = best_out_color_space;
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if (cinfo.out_color_space != JCS_CMYK)
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cinfo.out_color_space = best_out_color_space;
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jpeg_start_decompress(&cinfo);
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jpeg_start_decompress(&cinfo);
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JSAMPLE* aRangeLimit = cinfo.sample_range_limit;
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JSAMPLE* aRangeLimit = cinfo.sample_range_limit;
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pScanLineBuffer.resize(nWidth * nPixelSize);
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std::vector<sal_uInt8> pScanLineBuffer(nWidth * nPixelSize);
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std::vector<sal_uInt8> pCYMKBuffer;
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if (cinfo.out_color_space == JCS_CMYK)
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{
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pCYMKBuffer.resize(nWidth * 4);
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}
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for (*pLines = 0; *pLines < nHeight && !source->no_data_available; (*pLines)++)
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{
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size_t yIndex = *pLines;
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sal_uInt8* p = (cinfo.out_color_space == JCS_CMYK) ? pCYMKBuffer.data() : pScanLineBuffer.data();
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jpeg_read_scanlines(&cinfo, reinterpret_cast<JSAMPARRAY>(&p), 1);
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if (cinfo.out_color_space == JCS_CMYK)
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{
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pCYMKBuffer.resize(nWidth * 4);
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}
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// convert CMYK to RGB
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for (long cmyk = 0, x = 0; cmyk < nWidth * 4; cmyk += 4, ++x)
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{
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int color_C = 255 - pCYMKBuffer[cmyk + 0];
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int color_M = 255 - pCYMKBuffer[cmyk + 1];
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int color_Y = 255 - pCYMKBuffer[cmyk + 2];
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int color_K = 255 - pCYMKBuffer[cmyk + 3];
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for (*pLines = 0; *pLines < nHeight && !source->no_data_available; (*pLines)++)
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sal_uInt8 cRed = aRangeLimit[255L - (color_C + color_K)];
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sal_uInt8 cGreen = aRangeLimit[255L - (color_M + color_K)];
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sal_uInt8 cBlue = aRangeLimit[255L - (color_Y + color_K)];
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pAccess->SetPixel(yIndex, x, BitmapColor(cRed, cGreen, cBlue));
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}
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}
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else
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{
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size_t yIndex = *pLines;
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sal_uInt8* p = (cinfo.out_color_space == JCS_CMYK) ? pCYMKBuffer.data() : pScanLineBuffer.data();
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jpeg_read_scanlines(&cinfo, reinterpret_cast<JSAMPARRAY>(&p), 1);
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if (cinfo.out_color_space == JCS_CMYK)
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{
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// convert CMYK to RGB
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for (long cmyk = 0, x = 0; cmyk < nWidth * 4; cmyk += 4, ++x)
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{
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int color_C = 255 - pCYMKBuffer[cmyk + 0];
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int color_M = 255 - pCYMKBuffer[cmyk + 1];
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int color_Y = 255 - pCYMKBuffer[cmyk + 2];
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int color_K = 255 - pCYMKBuffer[cmyk + 3];
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sal_uInt8 cRed = aRangeLimit[255L - (color_C + color_K)];
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sal_uInt8 cGreen = aRangeLimit[255L - (color_M + color_K)];
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sal_uInt8 cBlue = aRangeLimit[255L - (color_Y + color_K)];
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pAccess->SetPixel(yIndex, x, BitmapColor(cRed, cGreen, cBlue));
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}
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}
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else
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{
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pAccess->CopyScanline(yIndex, pScanLineBuffer.data(), eScanlineFormat, pScanLineBuffer.size());
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}
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/* PENDING ??? */
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if (cinfo.err->msg_code == 113)
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break;
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pAccess->CopyScanline(yIndex, pScanLineBuffer.data(), eScanlineFormat, pScanLineBuffer.size());
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}
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}
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}
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if (bBitmapCreated && !bOnlyCreateBitmap)
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{
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jpeg_finish_decompress( &cinfo );
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}
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else
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{
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jpeg_abort_decompress( &cinfo );
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/* PENDING ??? */
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if (cinfo.err->msg_code == 113)
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break;
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}
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pScanLineBuffer.clear();
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pCYMKBuffer.clear();
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}
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pScopedAccess.reset();
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}
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catch (const css::uno::RuntimeException&)
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if (bBitmapCreated && !bOnlyCreateBitmap)
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{
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jpeg_finish_decompress( &cinfo );
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}
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else
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{
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jpeg_abort_decompress( &cinfo );
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}
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}
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@ -283,165 +313,170 @@ bool WriteJPEG( JPEGWriter* pJPEGWriter, void* pOutputStream,
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long nQualityPercent, long aChromaSubsampling,
|
||||
css::uno::Reference<css::task::XStatusIndicator> const & status )
|
||||
{
|
||||
try
|
||||
{
|
||||
jpeg_compress_struct cinfo;
|
||||
jpeg_error_mgr jerr;
|
||||
void* pScanline;
|
||||
long nY;
|
||||
jpeg_compress_struct cinfo;
|
||||
ErrorManagerStruct jerr;
|
||||
void* pScanline;
|
||||
long nY;
|
||||
|
||||
cinfo.err = jpeg_std_error( &jerr );
|
||||
jerr.error_exit = errorExit;
|
||||
jerr.output_message = outputMessage;
|
||||
JpegCompressOwner aOwner;
|
||||
|
||||
jpeg_create_compress( &cinfo );
|
||||
JpegCompressOwner aOwner(cinfo);
|
||||
jpeg_svstream_dest( &cinfo, pOutputStream );
|
||||
|
||||
cinfo.image_width = (JDIMENSION) nWidth;
|
||||
cinfo.image_height = (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, (int) nQualityPercent, FALSE );
|
||||
|
||||
cinfo.density_unit = 1;
|
||||
cinfo.X_density = rPPI.getX();
|
||||
cinfo.Y_density = rPPI.getY();
|
||||
|
||||
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);
|
||||
}
|
||||
catch (const css::uno::RuntimeException&)
|
||||
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 = (JDIMENSION) nWidth;
|
||||
cinfo.image_height = (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, (int) nQualityPercent, FALSE );
|
||||
|
||||
cinfo.density_unit = 1;
|
||||
cinfo.X_density = rPPI.getX();
|
||||
cinfo.Y_density = rPPI.getY();
|
||||
|
||||
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, long nAngle)
|
||||
{
|
||||
try
|
||||
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)
|
||||
{
|
||||
jpeg_transform_info aTransformOption;
|
||||
JCOPY_OPTION aCopyOption = JCOPYOPT_ALL;
|
||||
|
||||
jpeg_decompress_struct aSourceInfo;
|
||||
jpeg_compress_struct aDestinationInfo;
|
||||
jpeg_error_mgr aSourceError;
|
||||
jpeg_error_mgr 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)
|
||||
{
|
||||
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);
|
||||
aSourceInfo.err->error_exit = errorExit;
|
||||
aSourceInfo.err->output_message = outputMessage;
|
||||
|
||||
// Compression
|
||||
aDestinationInfo.err = jpeg_std_error(&aDestinationError);
|
||||
aDestinationInfo.err->error_exit = errorExit;
|
||||
aDestinationInfo.err->output_message = outputMessage;
|
||||
|
||||
aDestinationInfo.optimize_coding = TRUE;
|
||||
|
||||
jpeg_create_decompress(&aSourceInfo);
|
||||
JpegDecompressOwner aDecompressOwner(aSourceInfo);
|
||||
jpeg_create_compress(&aDestinationInfo);
|
||||
JpegCompressOwner aCompressOwner(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);
|
||||
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;
|
||||
}
|
||||
catch (const css::uno::RuntimeException&)
|
||||
|
||||
// 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) || 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: */
|
||||
|
|
|
|||
Loading…
Reference in a new issue