diff options
Diffstat (limited to 'svtools')
| -rw-r--r-- | svtools/source/filter.vcl/jpeg/jpeg.cxx | 777 | ||||
| -rw-r--r-- | svtools/source/filter.vcl/jpeg/jpegc.c | 284 |
2 files changed, 0 insertions, 1061 deletions
diff --git a/svtools/source/filter.vcl/jpeg/jpeg.cxx b/svtools/source/filter.vcl/jpeg/jpeg.cxx deleted file mode 100644 index da1edf8449e4..000000000000 --- a/svtools/source/filter.vcl/jpeg/jpeg.cxx +++ /dev/null @@ -1,777 +0,0 @@ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -// MARKER(update_precomp.py): autogen include statement, do not remove -#include "precompiled_svtools.hxx" - -#include <tools/solar.h> - -extern "C" -{ - #include "stdio.h" - #include "jpeg.h" - #include "jpeg/jpeglib.h" - #include "jpeg/jerror.h" -} - -#define _JPEGPRIVATE -#include <vcl/bmpacc.hxx> -#include "jpeg.hxx" -#include <svtools/FilterConfigItem.hxx> -#include <svtools/filter.hxx> - -// ----------- -// - Defines - -// ----------- - -using namespace ::com::sun::star; - -#define JPEGMINREAD 512 - -// ------------- -// - (C-Calls) - -// ------------- - -// ------------------------------------------------------------------------ - -extern "C" void* CreateBitmap( void* pJPEGReader, void* pJPEGCreateBitmapParam ) -{ - return ( (JPEGReader*) pJPEGReader )->CreateBitmap( pJPEGCreateBitmapParam ); -} - -// ------------------------------------------------------------------------ - -extern "C" void* GetScanline( void* pJPEGWriter, long nY ) -{ - return ( (JPEGWriter*) pJPEGWriter )->GetScanline( nY ); -} - -// ------------------------------------------------------------------------ - -struct JPEGCallbackStruct -{ - uno::Reference< task::XStatusIndicator > xStatusIndicator; -}; - -extern "C" long JPEGCallback( void* pCallbackData, long nPercent ) -{ - JPEGCallbackStruct* pS = (JPEGCallbackStruct*)pCallbackData; - if ( pS && pS->xStatusIndicator.is() ) - { - pS->xStatusIndicator->setValue( nPercent ); - } - return 0L; -} - -#define BUF_SIZE 4096 - -typedef struct -{ - struct jpeg_destination_mgr pub; /* public fields */ - - SvStream* outfile; /* target stream */ - JOCTET * buffer; /* start of buffer */ -} my_destination_mgr; - -typedef my_destination_mgr * my_dest_ptr; - -extern "C" void init_destination (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - - /* Allocate the output buffer --- it will be released when done with image */ - dest->buffer = (JOCTET *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - BUF_SIZE * sizeof(JOCTET)); - - dest->pub.next_output_byte = dest->buffer; - dest->pub.free_in_buffer = BUF_SIZE; -} - -extern "C" int empty_output_buffer (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - - if (dest->outfile->Write(dest->buffer, BUF_SIZE) != - (size_t) BUF_SIZE) - ERREXIT(cinfo, JERR_FILE_WRITE); - - dest->pub.next_output_byte = dest->buffer; - dest->pub.free_in_buffer = BUF_SIZE; - - return sal_True; -} - -extern "C" void term_destination (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - size_t datacount = BUF_SIZE - dest->pub.free_in_buffer; - - /* Write any data remaining in the buffer */ - if (datacount > 0) { - if (dest->outfile->Write(dest->buffer, datacount) != datacount) - ERREXIT(cinfo, JERR_FILE_WRITE); - } -} - -extern "C" void jpeg_svstream_dest (j_compress_ptr cinfo, void* out) -{ - SvStream * outfile = (SvStream*)out; - my_dest_ptr dest; - - /* The destination object is made permanent so that multiple JPEG images - * can be written to the same file without re-executing jpeg_svstream_dest. - * This makes it dangerous to use this manager and a different destination - * manager serially with the same JPEG object, because their private object - * sizes may be different. Caveat programmer. - */ - if (cinfo->dest == NULL) { /* first time for this JPEG object? */ - cinfo->dest = (struct jpeg_destination_mgr *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - sizeof(my_destination_mgr)); - } - - dest = (my_dest_ptr) cinfo->dest; - dest->pub.init_destination = init_destination; - dest->pub.empty_output_buffer = empty_output_buffer; - dest->pub.term_destination = term_destination; - dest->outfile = outfile; -} - -/* Expanded data source object for stdio input */ - -typedef struct { - struct jpeg_source_mgr pub; /* public fields */ - - SvStream * infile; /* source stream */ - JOCTET * buffer; /* start of buffer */ - boolean start_of_file; /* have we gotten any data yet? */ -} my_source_mgr; - -typedef my_source_mgr * my_src_ptr; - -/* - * Initialize source --- called by jpeg_read_header - * before any data is actually read. - */ - -extern "C" void init_source (j_decompress_ptr cinfo) -{ - my_src_ptr src = (my_src_ptr) cinfo->src; - - /* We reset the empty-input-file flag for each image, - * but we don't clear the input buffer. - * This is correct behavior for reading a series of images from one source. - */ - src->start_of_file = sal_True; -} - -long StreamRead( SvStream* pSvStm, void* pBuffer, long nBufferSize ) -{ - long nRead; - - if( pSvStm->GetError() != ERRCODE_IO_PENDING ) - { - long nActPos = pSvStm->Tell(); - - nRead = (long) pSvStm->Read( pBuffer, nBufferSize ); - - if( pSvStm->GetError() == ERRCODE_IO_PENDING ) - { - nRead = 0; - - // Damit wir wieder an die alte Position - // seeken koennen, setzen wir den Error temp.zurueck - pSvStm->ResetError(); - pSvStm->Seek( nActPos ); - pSvStm->SetError( ERRCODE_IO_PENDING ); - } - } - else - nRead = 0; - - return nRead; -} - -extern "C" int fill_input_buffer (j_decompress_ptr cinfo) -{ - my_src_ptr src = (my_src_ptr) cinfo->src; - size_t nbytes; - - nbytes = StreamRead(src->infile, src->buffer, BUF_SIZE); - - if (nbytes <= 0) { - if (src->start_of_file) /* Treat empty input file as fatal error */ - ERREXIT(cinfo, JERR_INPUT_EMPTY); - WARNMS(cinfo, JWRN_JPEG_EOF); - /* Insert a fake EOI marker */ - src->buffer[0] = (JOCTET) 0xFF; - src->buffer[1] = (JOCTET) JPEG_EOI; - nbytes = 2; - } - - src->pub.next_input_byte = src->buffer; - src->pub.bytes_in_buffer = nbytes; - src->start_of_file = sal_False; - - return sal_True; -} - -extern "C" void skip_input_data (j_decompress_ptr cinfo, long num_bytes) -{ - my_src_ptr src = (my_src_ptr) cinfo->src; - - /* Just a dumb implementation for now. Could use fseek() except - * it doesn't work on pipes. Not clear that being smart is worth - * any trouble anyway --- large skips are infrequent. - */ - if (num_bytes > 0) { - while (num_bytes > (long) src->pub.bytes_in_buffer) { - num_bytes -= (long) src->pub.bytes_in_buffer; - (void) fill_input_buffer(cinfo); - /* note we assume that fill_input_buffer will never return sal_False, - * so suspension need not be handled. - */ - } - src->pub.next_input_byte += (size_t) num_bytes; - src->pub.bytes_in_buffer -= (size_t) num_bytes; - } -} - -extern "C" void term_source (j_decompress_ptr) -{ - /* no work necessary here */ -} - -extern "C" void jpeg_svstream_src (j_decompress_ptr cinfo, void * in) -{ - my_src_ptr src; - SvStream * infile = (SvStream*)in; - - /* The source object and input buffer are made permanent so that a series - * of JPEG images can be read from the same file by calling jpeg_stdio_src - * only before the first one. (If we discarded the buffer at the end of - * one image, we'd likely lose the start of the next one.) - * This makes it unsafe to use this manager and a different source - * manager serially with the same JPEG object. Caveat programmer. - */ - if (cinfo->src == NULL) { /* first time for this JPEG object? */ - cinfo->src = (struct jpeg_source_mgr *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - sizeof(my_source_mgr)); - src = (my_src_ptr) cinfo->src; - src->buffer = (JOCTET *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - BUF_SIZE * sizeof(JOCTET)); - } - - src = (my_src_ptr) cinfo->src; - src->pub.init_source = init_source; - src->pub.fill_input_buffer = fill_input_buffer; - src->pub.skip_input_data = skip_input_data; - src->pub.resync_to_restart = jpeg_resync_to_restart; /* use default method */ - src->pub.term_source = term_source; - src->infile = infile; - src->pub.bytes_in_buffer = 0; /* forces fill_input_buffer on first read */ - src->pub.next_input_byte = NULL; /* until buffer loaded */ -} - -// -------------- -// - JPEGReader - -// -------------- - -JPEGReader::JPEGReader( SvStream& rStm, void* /*pCallData*/, sal_Bool bSetLS ) : - rIStm ( rStm ), - pAcc ( NULL ), - pAcc1 ( NULL ), - pBuffer ( NULL ), - nLastPos ( rStm.Tell() ), - nLastLines ( 0 ), - bSetLogSize ( bSetLS ) -{ - maUpperName = String::CreateFromAscii( "SVIJPEG", 7 ); - nFormerPos = nLastPos; -} - -// ------------------------------------------------------------------------ - -JPEGReader::~JPEGReader() -{ - if( pBuffer ) - rtl_freeMemory( pBuffer ); - - if( pAcc ) - aBmp.ReleaseAccess( pAcc ); - - if( pAcc1 ) - aBmp1.ReleaseAccess( pAcc1 ); -} - -// ------------------------------------------------------------------------ - -void* JPEGReader::CreateBitmap( void* pParam ) -{ - Size aSize( ((JPEGCreateBitmapParam*)pParam)->nWidth, - ((JPEGCreateBitmapParam*)pParam)->nHeight ); - sal_Bool bGray = ((JPEGCreateBitmapParam*)pParam)->bGray != 0; - - void* pBmpBuf = NULL; - - if( pAcc ) - aBmp.ReleaseAccess( pAcc ); - - if( bGray ) - { - BitmapPalette aGrayPal( 256 ); - - for( sal_uInt16 n = 0; n < 256; n++ ) - { - const sal_uInt8 cGray = (sal_uInt8) n; - aGrayPal[ n ] = BitmapColor( cGray, cGray, cGray ); - } - - aBmp = Bitmap( aSize, 8, &aGrayPal ); - } - else - aBmp = Bitmap( aSize, 24 ); - - if ( bSetLogSize ) - { - unsigned long nUnit = ((JPEGCreateBitmapParam*)pParam)->density_unit; - - if( ( ( 1 == nUnit ) || ( 2 == nUnit ) ) && - ( (JPEGCreateBitmapParam*) pParam )->X_density && - ( (JPEGCreateBitmapParam*) pParam )->Y_density ) - { - Point aEmptyPoint; - Fraction aFractX( 1, ((JPEGCreateBitmapParam*)pParam)->X_density ); - Fraction aFractY( 1, ((JPEGCreateBitmapParam*)pParam)->Y_density ); - MapMode aMapMode( nUnit == 1 ? MAP_INCH : MAP_CM, aEmptyPoint, aFractX, aFractY ); - Size aPrefSize = OutputDevice::LogicToLogic( aSize, aMapMode, MAP_100TH_MM ); - - aBmp.SetPrefSize( aPrefSize ); - aBmp.SetPrefMapMode( MapMode( MAP_100TH_MM ) ); - } - } - - pAcc = aBmp.AcquireWriteAccess(); - - if( pAcc ) - { - long nAlignedWidth; - - const sal_uLong nFormat = pAcc->GetScanlineFormat(); - - if( - ( bGray && ( BMP_FORMAT_8BIT_PAL == nFormat ) ) || - ( !bGray && ( BMP_FORMAT_24BIT_TC_RGB == nFormat ) ) - ) - { - pBmpBuf = pAcc->GetBuffer(); - nAlignedWidth = pAcc->GetScanlineSize(); - ((JPEGCreateBitmapParam*)pParam)->bTopDown = pAcc->IsTopDown(); - } - else - { - nAlignedWidth = AlignedWidth4Bytes( aSize.Width() * ( bGray ? 8 : 24 ) ); - ((JPEGCreateBitmapParam*)pParam)->bTopDown = sal_True; - pBmpBuf = pBuffer = rtl_allocateMemory( nAlignedWidth * aSize.Height() ); - } - ((JPEGCreateBitmapParam*)pParam)->nAlignedWidth = nAlignedWidth; - } - - return pBmpBuf; -} - -// ------------------------------------------------------------------------ - -void JPEGReader::FillBitmap() -{ - if( pBuffer && pAcc ) - { - HPBYTE pTmp; - BitmapColor aColor; - long nAlignedWidth; - long nWidth = pAcc->Width(); - long nHeight = pAcc->Height(); - - if( pAcc->GetBitCount() == 8 ) - { - BitmapColor* pCols = new BitmapColor[ 256 ]; - - for( sal_uInt16 n = 0; n < 256; n++ ) - { - const sal_uInt8 cGray = (sal_uInt8) n; - pCols[ n ] = pAcc->GetBestMatchingColor( BitmapColor( cGray, cGray, cGray ) ); - } - - nAlignedWidth = AlignedWidth4Bytes( pAcc->Width() * 8L ); - - for( long nY = 0L; nY < nHeight; nY++ ) - { - pTmp = (sal_uInt8*) pBuffer + nY * nAlignedWidth; - - for( long nX = 0L; nX < nWidth; nX++ ) - pAcc->SetPixel( nY, nX, pCols[ *pTmp++ ] ); - } - - delete[] pCols; - } - else - { - nAlignedWidth = AlignedWidth4Bytes( pAcc->Width() * 24L ); - - for( long nY = 0L; nY < nHeight; nY++ ) - { - pTmp = (sal_uInt8*) pBuffer + nY * nAlignedWidth; - - for( long nX = 0L; nX < nWidth; nX++ ) - { - aColor.SetRed( *pTmp++ ); - aColor.SetGreen( *pTmp++ ); - aColor.SetBlue( *pTmp++ ); - pAcc->SetPixel( nY, nX, aColor ); - } - } - } - } -} - -// ------------------------------------------------------------------------ - -Graphic JPEGReader::CreateIntermediateGraphic( const Bitmap& rBitmap, long nLines ) -{ - Graphic aGraphic; - const Size aSizePix( rBitmap.GetSizePixel() ); - - if( !nLastLines ) - { - if( pAcc1 ) - aBmp1.ReleaseAccess( pAcc1 ); - - aBmp1 = Bitmap( rBitmap.GetSizePixel(), 1 ); - aBmp1.Erase( Color( COL_WHITE ) ); - pAcc1 = aBmp1.AcquireWriteAccess(); - } - - if( nLines && ( nLines < aSizePix.Height() ) ) - { - if( pAcc1 ) - { - const long nNewLines = nLines - nLastLines; - - if( nNewLines ) - { - pAcc1->SetFillColor( Color( COL_BLACK ) ); - pAcc1->FillRect( Rectangle( Point( 0, nLastLines ), - Size( pAcc1->Width(), nNewLines ) ) ); - } - - aBmp1.ReleaseAccess( pAcc1 ); - aGraphic = BitmapEx( rBitmap, aBmp1 ); - pAcc1 = aBmp1.AcquireWriteAccess(); - } - else - aGraphic = rBitmap; - } - else - aGraphic = rBitmap; - - nLastLines = nLines; - - return aGraphic; -} - -// ------------------------------------------------------------------------ - -ReadState JPEGReader::Read( Graphic& rGraphic ) -{ - long nEndPos; - long nLines; - ReadState eReadState; - sal_Bool bRet = sal_False; - sal_uInt8 cDummy; - -#if 1 // TODO: is it possible to get rid of this seek to the end? - // check if the stream's end is already available - rIStm.Seek( STREAM_SEEK_TO_END ); - rIStm >> cDummy; - nEndPos = rIStm.Tell(); - - // else check if at least JPEGMINREAD bytes can be read - if( rIStm.GetError() == ERRCODE_IO_PENDING ) - { - rIStm.ResetError(); - if( ( nEndPos - nFormerPos ) < JPEGMINREAD ) - { - rIStm.Seek( nLastPos ); - return JPEGREAD_NEED_MORE; - } - } - - // seek back to the original position - rIStm.Seek( nLastPos ); -#endif - - Size aPreviewSize = GetPreviewSize(); - SetJpegPreviewSizeHint( aPreviewSize.Width(), aPreviewSize.Height() ); - - // read the (partial) image - ReadJPEG( this, &rIStm, &nLines ); - - if( pAcc ) - { - if( pBuffer ) - { - FillBitmap(); - rtl_freeMemory( pBuffer ); - pBuffer = NULL; - } - - aBmp.ReleaseAccess( pAcc ); - pAcc = NULL; - - if( rIStm.GetError() == ERRCODE_IO_PENDING ) - rGraphic = CreateIntermediateGraphic( aBmp, nLines ); - else - rGraphic = aBmp; - - bRet = sal_True; - } - else if( rIStm.GetError() == ERRCODE_IO_PENDING ) - bRet = sal_True; - - // Status setzen ( Pending hat immer Vorrang ) - if( rIStm.GetError() == ERRCODE_IO_PENDING ) - { - eReadState = JPEGREAD_NEED_MORE; - rIStm.ResetError(); - nFormerPos = rIStm.Tell(); - } - else - { - if( bRet ) - eReadState = JPEGREAD_OK; - else - eReadState = JPEGREAD_ERROR; - } - - return eReadState; -} - - -// -------------- -// - JPEGWriter - -// -------------- - -JPEGWriter::JPEGWriter( SvStream& rStm, const uno::Sequence< beans::PropertyValue >* pFilterData, bool* pExportWasGrey ) : - rOStm ( rStm ), - pAcc ( NULL ), - pBuffer ( NULL ), - pExpWasGrey ( pExportWasGrey ) -{ - FilterConfigItem aConfigItem( (uno::Sequence< beans::PropertyValue >*)pFilterData ); - bGreys = aConfigItem.ReadInt32( String( RTL_CONSTASCII_USTRINGPARAM( "ColorMode" ) ), 0 ) != 0; - nQuality = aConfigItem.ReadInt32( String( RTL_CONSTASCII_USTRINGPARAM( "Quality" ) ), 75 ); - - if ( pFilterData ) - { - int nArgs = pFilterData->getLength(); - const beans::PropertyValue* pValues = pFilterData->getConstArray(); - while( nArgs-- ) - { - if( pValues->Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "StatusIndicator" ) ) ) - { - pValues->Value >>= xStatusIndicator; - } - pValues++; - } - } -} - -// ------------------------------------------------------------------------ - -void* JPEGWriter::GetScanline( long nY ) -{ - void* pScanline = NULL; - - if( pAcc ) - { - if( bNative ) - pScanline = pAcc->GetScanline( nY ); - else if( pBuffer ) - { - BitmapColor aColor; - long nWidth = pAcc->Width(); - sal_uInt8* pTmp = pBuffer; - - if( pAcc->HasPalette() ) - { - for( long nX = 0L; nX < nWidth; nX++ ) - { - aColor = pAcc->GetPaletteColor( (sal_uInt8) pAcc->GetPixel( nY, nX ) ); - *pTmp++ = aColor.GetRed(); - if ( bGreys ) - continue; - *pTmp++ = aColor.GetGreen(); - *pTmp++ = aColor.GetBlue(); - } - } - else - { - for( long nX = 0L; nX < nWidth; nX++ ) - { - aColor = pAcc->GetPixel( nY, nX ); - *pTmp++ = aColor.GetRed(); - if ( bGreys ) - continue; - *pTmp++ = aColor.GetGreen(); - *pTmp++ = aColor.GetBlue(); - } - } - - pScanline = pBuffer; - } - } - - return pScanline; -} - -// ------------------------------------------------------------------------ - -sal_Bool JPEGWriter::Write( const Graphic& rGraphic ) -{ - sal_Bool bRet = sal_False; - - if ( xStatusIndicator.is() ) - { - rtl::OUString aMsg; - xStatusIndicator->start( aMsg, 100 ); - } - - Bitmap aGraphicBmp( rGraphic.GetBitmap() ); - - if ( bGreys ) - { - if ( !aGraphicBmp.Convert( BMP_CONVERSION_8BIT_GREYS ) ) - aGraphicBmp = rGraphic.GetBitmap(); - } - - pAcc = aGraphicBmp.AcquireReadAccess(); - - if ( !bGreys ) // bitmap was not explicitely converted into greyscale, - { // check if source is greyscale only - - sal_Bool bIsGrey = sal_True; - - long nWidth = pAcc->Width(); - for ( long nY = 0; bIsGrey && ( nY < pAcc->Height() ); nY++ ) - { - BitmapColor aColor; - for( long nX = 0L; bIsGrey && ( nX < nWidth ); nX++ ) - { - aColor = pAcc->HasPalette() ? pAcc->GetPaletteColor( (sal_uInt8) pAcc->GetPixel( nY, nX ) ) - : pAcc->GetPixel( nY, nX ); - bIsGrey = ( aColor.GetRed() == aColor.GetGreen() ) && ( aColor.GetRed() == aColor.GetBlue() ); - } - } - if ( bIsGrey ) - bGreys = sal_True; - } - - if( pExpWasGrey ) - *pExpWasGrey = bGreys; - - if( pAcc ) - { - bNative = ( pAcc->GetScanlineFormat() == BMP_FORMAT_24BIT_TC_RGB ); - - if( !bNative ) - pBuffer = new sal_uInt8[ AlignedWidth4Bytes( bGreys ? pAcc->Width() * 8L : pAcc->Width() * 24L ) ]; - - JPEGCallbackStruct aCallbackData; - aCallbackData.xStatusIndicator = xStatusIndicator; - bRet = (sal_Bool) WriteJPEG( this, &rOStm, pAcc->Width(), pAcc->Height(), bGreys, nQuality, &aCallbackData ); - - delete[] pBuffer; - pBuffer = NULL; - - aGraphicBmp.ReleaseAccess( pAcc ); - pAcc = NULL; - } - if ( xStatusIndicator.is() ) - xStatusIndicator->end(); - - return bRet; -} - -// -------------- -// - ImportJPEG - -// -------------- - -sal_Bool ImportJPEG( SvStream& rStm, Graphic& rGraphic, void* pCallerData, sal_Int32 nImportFlags ) -{ - JPEGReader* pJPEGReader = (JPEGReader*) rGraphic.GetContext(); - ReadState eReadState; - sal_Bool bRet = sal_True; - - if( !pJPEGReader ) - pJPEGReader = new JPEGReader( rStm, pCallerData, ( nImportFlags & GRFILTER_I_FLAGS_SET_LOGSIZE_FOR_JPEG ) != 0 ); - - if( nImportFlags & GRFILTER_I_FLAGS_FOR_PREVIEW ) - pJPEGReader->SetPreviewSize( Size(128,128) ); - else - pJPEGReader->DisablePreviewMode(); - - rGraphic.SetContext( NULL ); - eReadState = pJPEGReader->Read( rGraphic ); - - if( eReadState == JPEGREAD_ERROR ) - { - bRet = sal_False; - delete pJPEGReader; - } - else if( eReadState == JPEGREAD_OK ) - delete pJPEGReader; - else - rGraphic.SetContext( pJPEGReader ); - - return bRet; -} - -// -------------- -// - ExportJPEG - -// -------------- - -sal_Bool ExportJPEG( SvStream& rOStm, const Graphic& rGraphic, - const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >* pFilterData, - bool* pExportWasGrey - ) -{ - JPEGWriter aJPEGWriter( rOStm, pFilterData, pExportWasGrey ); - return aJPEGWriter.Write( rGraphic ); -} diff --git a/svtools/source/filter.vcl/jpeg/jpegc.c b/svtools/source/filter.vcl/jpeg/jpegc.c deleted file mode 100644 index b51d37a4a163..000000000000 --- a/svtools/source/filter.vcl/jpeg/jpegc.c +++ /dev/null @@ -1,284 +0,0 @@ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -#include <stdio.h> -#include <stdlib.h> -#include "setjmp.h" -#include "jpeg/jpeglib.h" -#include "jpeg/jerror.h" -#include "jpeg.h" -#include "rtl/alloc.h" -#include "osl/diagnose.h" - -struct my_error_mgr -{ - struct jpeg_error_mgr pub; - jmp_buf setjmp_buffer; -}; - -void jpeg_svstream_src (j_decompress_ptr cinfo, void* infile); -void jpeg_svstream_dest (j_compress_ptr cinfo, void* outfile); - -METHODDEF( void ) -my_error_exit (j_common_ptr cinfo) -{ - my_error_ptr myerr = (my_error_ptr) cinfo->err; - (*cinfo->err->output_message) (cinfo); - longjmp(myerr->setjmp_buffer, 1); -} - - -METHODDEF( void ) -my_output_message (j_common_ptr cinfo) -{ - char buffer[JMSG_LENGTH_MAX]; - (*cinfo->err->format_message) (cinfo, buffer); -} - -/* TODO: when incompatible changes are possible again - the preview size hint should be redone */ -static int nPreviewWidth = 0; -static int nPreviewHeight = 0; -void SetJpegPreviewSizeHint( int nWidth, int nHeight ) -{ - nPreviewWidth = nWidth; - nPreviewHeight = nHeight; -} - -void ReadJPEG( void* pJPEGReader, void* pIStm, long* pLines ) -{ - struct jpeg_decompress_struct cinfo; - struct my_error_mgr jerr; - struct JPEGCreateBitmapParam aCreateBitmapParam; - HPBYTE pDIB; - HPBYTE pTmp; - long nWidth; - long nHeight; - long nAlignedWidth; - JSAMPLE * range_limit; - HPBYTE pScanLineBuffer = NULL; - long nScanLineBufferComponents = 0; - // declare bDecompCreated volatile because of gcc - // warning: variable 'bDecompCreated' might be clobbered by `longjmp' or `vfork' - volatile long bDecompCreated = 0; - - /* Falls der Stream nicht ausreicht (IO_PENDING) - wird ueber ein longjmp in der Schleife nach Exit - gesprungen, wir geben dann die Anzahl - der bisher bearbeiteten Scanlines zurueck*/ - if ( setjmp( jerr.setjmp_buffer ) ) - goto Exit; - - cinfo.err = jpeg_std_error( &jerr.pub ); - jerr.pub.error_exit = my_error_exit; - jerr.pub.output_message = my_output_message; - - jpeg_create_decompress( &cinfo ); - bDecompCreated = 1; - jpeg_svstream_src( &cinfo, pIStm ); - jpeg_read_header( &cinfo, sal_True ); - - cinfo.scale_num = 1; - cinfo.scale_denom = 1; - cinfo.output_gamma = 1.0; - cinfo.raw_data_out = sal_False; - cinfo.quantize_colors = sal_False; - if ( cinfo.jpeg_color_space == JCS_YCbCr ) - cinfo.out_color_space = JCS_RGB; - else if ( cinfo.jpeg_color_space == JCS_YCCK ) - cinfo.out_color_space = JCS_CMYK; - - OSL_ASSERT(cinfo.out_color_space == JCS_CMYK || cinfo.out_color_space == JCS_GRAYSCALE || cinfo.out_color_space == JCS_RGB); - - /* change scale for preview import */ - if( nPreviewWidth || nPreviewHeight ) - { - if( nPreviewWidth == 0 ) { - nPreviewWidth = ( cinfo.image_width*nPreviewHeight )/cinfo.image_height; - if( nPreviewWidth <= 0 ) - nPreviewWidth = 1; - } else if( nPreviewHeight == 0 ) { - nPreviewHeight = ( cinfo.image_height*nPreviewWidth )/cinfo.image_width; - if( nPreviewHeight <= 0 ) - nPreviewHeight = 1; - } - - for( cinfo.scale_denom = 1; cinfo.scale_denom < 8; cinfo.scale_denom *= 2 ) - { - if( cinfo.image_width < nPreviewWidth * cinfo.scale_denom ) - break; - if( cinfo.image_height < nPreviewHeight * cinfo.scale_denom ) - break; - } - - if( cinfo.scale_denom > 1 ) - { - cinfo.dct_method = JDCT_FASTEST; - cinfo.do_fancy_upsampling = sal_False; - cinfo.do_block_smoothing = sal_False; - } - } - - jpeg_start_decompress( &cinfo ); - - nWidth = cinfo.output_width; - nHeight = cinfo.output_height; - aCreateBitmapParam.nWidth = nWidth; - aCreateBitmapParam.nHeight = nHeight; - - aCreateBitmapParam.density_unit = cinfo.density_unit; - aCreateBitmapParam.X_density = cinfo.X_density; - aCreateBitmapParam.Y_density = cinfo.Y_density; - aCreateBitmapParam.bGray = cinfo.output_components == 1; - pDIB = CreateBitmap( pJPEGReader, &aCreateBitmapParam ); - nAlignedWidth = aCreateBitmapParam.nAlignedWidth; - range_limit=cinfo.sample_range_limit; - - if ( cinfo.out_color_space == JCS_CMYK ) - { - nScanLineBufferComponents = cinfo.output_width * 4; - pScanLineBuffer = rtl_allocateMemory( nScanLineBufferComponents ); - } - - if( pDIB ) - { - if( aCreateBitmapParam.bTopDown ) - pTmp = pDIB; - else - { - pTmp = pDIB + ( nHeight - 1 ) * nAlignedWidth; - nAlignedWidth = -nAlignedWidth; - } - - for ( *pLines = 0; *pLines < nHeight; (*pLines)++ ) - { - if (pScanLineBuffer!=NULL) { // in other words cinfo.out_color_space == JCS_CMYK - int i; - int j; - jpeg_read_scanlines( &cinfo, (JSAMPARRAY) &pScanLineBuffer, 1 ); - // convert CMYK to RGB - for( i=0, j=0; i < nScanLineBufferComponents; i+=4, j+=3 ) - { - int c_=255-pScanLineBuffer[i+0]; - int m_=255-pScanLineBuffer[i+1]; - int y_=255-pScanLineBuffer[i+2]; - int k_=255-pScanLineBuffer[i+3]; - pTmp[j+0]=range_limit[ 255L - ( c_ + k_ ) ]; - pTmp[j+1]=range_limit[ 255L - ( m_ + k_ ) ]; - pTmp[j+2]=range_limit[ 255L - ( y_ + k_ ) ]; - } - } else { - jpeg_read_scanlines( &cinfo, (JSAMPARRAY) &pTmp, 1 ); - } - /* PENDING ??? */ - if ( cinfo.err->msg_code == 113 ) - break; - - pTmp += nAlignedWidth; - } - } - - jpeg_finish_decompress( &cinfo ); - if (pScanLineBuffer!=NULL) { - rtl_freeMemory( pScanLineBuffer ); - pScanLineBuffer=NULL; - } - -Exit: - - if( bDecompCreated ) - jpeg_destroy_decompress( &cinfo ); -} - -long WriteJPEG( void* pJPEGWriter, void* pOStm, - long nWidth, long nHeight, long bGreys, - long nQualityPercent, void* pCallbackData ) -{ - struct jpeg_compress_struct cinfo; - struct my_error_mgr jerr; - void* pScanline; - long nY; - // declare bCompCreated, bRet volatile because of gcc - // warning: variable 'bCompCreated' might be clobbered by `longjmp' or `vfork' - volatile long bCompCreated = 0; - volatile long bRet = 0; - - if ( setjmp( jerr.setjmp_buffer ) ) - goto Exit; - - cinfo.err = jpeg_std_error( &jerr.pub ); - jerr.pub.error_exit = my_error_exit; - jerr.pub.output_message = my_output_message; - - jpeg_create_compress( &cinfo ); - bCompCreated = 1; - - jpeg_svstream_dest( &cinfo, pOStm ); - - 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, sal_False ); - - if ( ( nWidth > 128 ) || ( nHeight > 128 ) ) - jpeg_simple_progression( &cinfo ); - - jpeg_start_compress( &cinfo, sal_True ); - - for( nY = 0; nY < nHeight; nY++ ) - { - pScanline = GetScanline( pJPEGWriter, nY ); - - if( pScanline ) - jpeg_write_scanlines( &cinfo, (JSAMPARRAY) &pScanline, 1 ); - - if( JPEGCallback( pCallbackData, nY * 100L / nHeight ) ) - goto Exit; - } - - bRet = 1; - - jpeg_finish_compress(&cinfo); - -Exit: - - if ( bCompCreated ) - jpeg_destroy_compress( &cinfo ); - - return bRet; -} |