From 48d2314a91908c6fb21cc5ef7aa84a8412aa60ac Mon Sep 17 00:00:00 2001 From: Darryl Pogue Date: Sat, 5 Jan 2013 20:42:29 -0800 Subject: [PATCH] Actually include the plJPEG files. --- Sources/Plasma/PubUtilLib/plGImage/plJPEG.cpp | 408 ++++++++++++++++++ Sources/Plasma/PubUtilLib/plGImage/plJPEG.h | 92 ++++ 2 files changed, 500 insertions(+) create mode 100644 Sources/Plasma/PubUtilLib/plGImage/plJPEG.cpp create mode 100644 Sources/Plasma/PubUtilLib/plGImage/plJPEG.h diff --git a/Sources/Plasma/PubUtilLib/plGImage/plJPEG.cpp b/Sources/Plasma/PubUtilLib/plGImage/plJPEG.cpp new file mode 100644 index 00000000..e7796b1b --- /dev/null +++ b/Sources/Plasma/PubUtilLib/plGImage/plJPEG.cpp @@ -0,0 +1,408 @@ +/*==LICENSE==* + +CyanWorlds.com Engine - MMOG client, server and tools +Copyright (C) 2011 Cyan Worlds, Inc. + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +This program 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 General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see . + +Additional permissions under GNU GPL version 3 section 7 + +If you modify this Program, or any covered work, by linking or +combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, +NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent +JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK +(or a modified version of those libraries), +containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, +PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG +JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the +licensors of this Program grant you additional +permission to convey the resulting work. Corresponding Source for a +non-source form of such a combination shall include the source code for +the parts of OpenSSL and IJG JPEG Library used as well as that of the covered +work. + +You can contact Cyan Worlds, Inc. by email legal@cyan.com + or by snail mail at: + Cyan Worlds, Inc. + 14617 N Newport Hwy + Mead, WA 99021 + +*==LICENSE==*/ +/////////////////////////////////////////////////////////////////////////////// +// // +// plJPEG - JPEG Codec Wrapper for Plasma // +// Cyan, Inc. // +// // +//// Version History ////////////////////////////////////////////////////////// +// // +// 2.1.2002 mcn - Created. // +// // +/////////////////////////////////////////////////////////////////////////////// + +#include "HeadSpin.h" +#include "plJPEG.h" +#include "hsStream.h" +#include "hsExceptions.h" + +#include "plGImage/plMipmap.h" + +#include +#include + +//// Local Statics //////////////////////////////////////////////////////////// +// Done this way so we don't have to declare them in the .h file and pull in +// the platform-specific library + +// It is not thread-safe to use a static char buffer, but it wasn't really +// thread-safe to use a static int either. The char buffer is slightly +// worse since you could get mangled strings instead of just a stale error. +static char jpegmsg[JMSG_LENGTH_MAX]; + +// jpeglib error handlers +static void plJPEG_error_exit( j_common_ptr cinfo ) +{ + (*cinfo->err->format_message) ( cinfo, jpegmsg ); + throw ( false ); +} +static void plJPEG_emit_message( j_common_ptr cinfo, int msg_level ) +{ + // log NOTHING +} +static void clear_jpegmsg() +{ + // "Success" is what IJL produced for no error + strcpy( jpegmsg, "Success" ); +} + + +//// Instance ///////////////////////////////////////////////////////////////// + +plJPEG &plJPEG::Instance( void ) +{ + clear_jpegmsg(); + + static plJPEG theInstance; + return theInstance; +} + +//// GetLastError ///////////////////////////////////////////////////////////// + +const char *plJPEG::GetLastError( void ) +{ + return jpegmsg; +} + +//// IRead //////////////////////////////////////////////////////////////////// +// Given an open hsStream (or a filename), reads the JPEG data off of the +// stream and decodes it into a new plMipmap. The mipmap's buffer ends up +// being a packed RGBx buffer, where x is 8 bits of unused alpha (go figure +// that JPEG images can't store alpha, or even if they can, IJL certainly +// doesn't know about it). +// Returns a pointer to the new mipmap if successful, nil otherwise. +// Note: more or less lifted straight out of the IJL documentation, with +// some changes to fit Plasma coding style and formats. + +plMipmap *plJPEG::IRead( hsStream *inStream ) +{ + plMipmap *newMipmap = nil; + uint8_t *jpegSourceBuffer = nil; + uint32_t jpegSourceSize; + + struct jpeg_decompress_struct cinfo; + struct jpeg_error_mgr jerr; + + + clear_jpegmsg(); + cinfo.err = jpeg_std_error( &jerr ); + jerr.error_exit = plJPEG_error_exit; + jerr.emit_message = plJPEG_emit_message; + + try + { + jpeg_create_decompress( &cinfo ); + + /// Read in the JPEG header + if ( inStream->GetEOF() == 0 ) + throw( false ); + + /// Wonderful limitation of mixing our streams with IJL--it wants either a filename + /// or a memory buffer. Since we can't give it the former, we have to read the entire + /// JPEG stream into a separate buffer before we can decode it. Which means we ALSO + /// have to write/read a length of said buffer. Such is life, I guess... + jpegSourceSize = inStream->ReadLE32(); + jpegSourceBuffer = new uint8_t[ jpegSourceSize ]; + if( jpegSourceBuffer == nil ) + { + // waah. + ERREXIT1( &cinfo, JERR_OUT_OF_MEMORY, 0 ); + } + + inStream->Read( jpegSourceSize, jpegSourceBuffer ); + jpeg_mem_src( &cinfo, jpegSourceBuffer, jpegSourceSize ); + (void) jpeg_read_header( &cinfo, TRUE ); + + /// So we got lots of data to play with now. First, set the JPEG color + /// space to read in from/as... + /// From the IJL code: + // "Set the JPG color space ... this will always be + // somewhat of an educated guess at best because JPEG + // is "color blind" (i.e., nothing in the bit stream + // tells you what color space the data was encoded from). + // However, in this example we assume that we are + // reading JFIF files which means that 3 channel images + // are in the YCbCr color space and 1 channel images are + // in the Y color space." + + switch( cinfo.jpeg_color_space ) + { + case JCS_GRAYSCALE: + case JCS_YCbCr: + cinfo.out_color_space = JCS_RGB; + break; + + default: + // We should probably assert here, since we're pretty sure we WON'T get ARGB. + hsAssert( false, "Unknown JPEG stream format in ReadFromStream()" ); + cinfo.out_color_space = JCS_UNKNOWN; + break; + } + + (void) jpeg_start_decompress( &cinfo ); + + /// Construct a new mipmap to hold everything + newMipmap = new plMipmap( cinfo.output_width, cinfo.output_height, plMipmap::kRGB32Config, 1, plMipmap::kJPEGCompression ); + + if( newMipmap == nil || newMipmap->GetImage() == nil ) + { + ERREXIT1( &cinfo, JERR_OUT_OF_MEMORY, 0 ); + } + + /// Set up to read in to that buffer we now have + JSAMPROW jbuffer; + int row_stride = cinfo.output_width * cinfo.output_components; + int out_stride = cinfo.output_width * 4; // Decompress to RGBA + jbuffer = new JSAMPLE[row_stride]; + + uint8_t *destp = (uint8_t *)newMipmap->GetImage(); + while( cinfo.output_scanline < cinfo.output_height ) + { + (void) jpeg_read_scanlines( &cinfo, &jbuffer, 1 ); + (void) memset( destp, 0xFF, out_stride ); + + for( size_t pixel = 0; pixel < cinfo.output_width; ++pixel ) + { + (void) memcpy( destp + (pixel * 4), + jbuffer + (pixel * cinfo.output_components), + cinfo.out_color_components ); + } + + destp += out_stride; + } + + (void) jpeg_finish_decompress(&cinfo); + delete [] jbuffer; + + // Sometimes life just sucks + ISwapRGBAComponents( (uint32_t *)newMipmap->GetImage(), newMipmap->GetWidth() * newMipmap->GetHeight() ); + } + catch( ... ) + { + delete newMipmap; + newMipmap = nil; + } + + // Cleanup + delete [] jpegSourceBuffer; + + // Clean up the JPEG Library + jpeg_destroy_decompress( &cinfo ); + + // All done! + return newMipmap; +} + +plMipmap* plJPEG::ReadFromFile( const char *fileName ) +{ + wchar_t* wFilename = hsStringToWString(fileName); + plMipmap* retVal = ReadFromFile(wFilename); + delete [] wFilename; + return retVal; +} + +plMipmap* plJPEG::ReadFromFile( const wchar_t *fileName ) +{ + // we use a stream because the IJL can't handle unicode + hsRAMStream tempstream; + hsUNIXStream in; + if (!in.Open(fileName, L"rb")) + return nil; + + // The stream reader for JPEGs expects a 32-bit size at the start, + // so insert that into the stream before passing it on + in.FastFwd(); + uint32_t fsize = in.GetPosition(); + uint8_t *tempbuffer = new uint8_t[fsize]; + in.Rewind(); + in.Read(fsize, tempbuffer); + tempstream.WriteLE32(fsize); + tempstream.Write(fsize, tempbuffer); + delete [] tempbuffer; + tempstream.Rewind(); + + plMipmap* ret = IRead(&tempstream); + in.Close(); + return ret; +} + +//// IWrite /////////////////////////////////////////////////////////////////// +// Oh, figure it out yourself. :P + +bool plJPEG::IWrite( plMipmap *source, hsStream *outStream ) +{ + bool result = true, swapped = false; + uint8_t *jpgBuffer = nil; + uint32_t jpgBufferSize = 0; + + struct jpeg_compress_struct cinfo; + struct jpeg_error_mgr jerr; + + + clear_jpegmsg(); + cinfo.err = jpeg_std_error( &jerr ); + jerr.error_exit = plJPEG_error_exit; + jerr.emit_message = plJPEG_emit_message; + + try + { + jpeg_create_compress( &cinfo ); + + // Create a buffer to hold the data + jpgBufferSize = source->GetWidth() * source->GetHeight() * 3; + jpgBuffer = new uint8_t[ jpgBufferSize ]; + if( jpgBuffer == nil ) + { + ERREXIT1( &cinfo, JERR_OUT_OF_MEMORY, 0 ); + } + + uint8_t *bufferAddr = jpgBuffer; + unsigned long bufferSize = jpgBufferSize; + jpeg_mem_dest( &cinfo, &bufferAddr, &bufferSize ); + + cinfo.image_width = source->GetWidth(); + cinfo.image_height = source->GetHeight(); + cinfo.input_components = 3; + cinfo.in_color_space = JCS_RGB; + + jpeg_set_defaults( &cinfo ); + + cinfo.jpeg_width = source->GetWidth(); // default + cinfo.jpeg_height = source->GetHeight(); // default + cinfo.jpeg_color_space = JCS_YCbCr; // default + // not sure how to set 4:1:1 but supposedly it's the default + jpeg_set_quality( &cinfo, fWriteQuality, TRUE ); + + jpeg_start_compress( &cinfo, TRUE ); + + // Sometimes life just sucks + ISwapRGBAComponents( (uint32_t *)source->GetImage(), source->GetWidth() * source->GetHeight() ); + swapped = true; + + // Write it! + JSAMPROW jbuffer; + int in_stride = cinfo.image_width * 4; // Input is always RGBA + int row_stride = cinfo.image_width * cinfo.input_components; + jbuffer = new JSAMPLE[row_stride]; + + uint8_t *srcp = (uint8_t *)source->GetImage(); + while( cinfo.next_scanline < cinfo.image_height ) + { + for( size_t pixel = 0; pixel < cinfo.image_width; ++pixel ) + { + (void) memcpy( jbuffer + (pixel * cinfo.input_components), + srcp + (pixel * 4), cinfo.input_components ); + } + + (void) jpeg_write_scanlines( &cinfo, &jbuffer, 1 ); + srcp += in_stride; + } + + jpeg_finish_compress( &cinfo ); + delete [] jbuffer; + + // jpeglib changes bufferSize and bufferAddr + outStream->WriteLE32( bufferSize ); + outStream->Write( bufferSize, bufferAddr ); + } + catch( ... ) + { + result = false; + } + + // Cleanup + if ( jpgBuffer ) + delete [] jpgBuffer; + jpeg_destroy_compress( &cinfo ); + + if( swapped ) + ISwapRGBAComponents( (uint32_t *)source->GetImage(), source->GetWidth() * source->GetHeight() ); + + return result; +} + +bool plJPEG::WriteToFile( const char *fileName, plMipmap *sourceData ) +{ + wchar_t* wFilename = hsStringToWString(fileName); + bool retVal = WriteToFile(wFilename, sourceData); + delete [] wFilename; + return retVal; +} + +bool plJPEG::WriteToFile( const wchar_t *fileName, plMipmap *sourceData ) +{ + // we use a stream because the IJL can't handle unicode + hsRAMStream tempstream; + hsUNIXStream out; + if (!out.Open(fileName, L"wb")) + return false; + bool ret = IWrite(sourceData, &tempstream); + if (ret) + { + // The stream writer for JPEGs prepends a 32-bit size, + // so remove that from the stream before saving to a file + tempstream.Rewind(); + uint32_t fsize = tempstream.ReadLE32(); + uint8_t *tempbuffer = new uint8_t[fsize]; + tempstream.Read(fsize, tempbuffer); + out.Write(fsize, tempbuffer); + + delete [] tempbuffer; + } + out.Close(); + return ret; +} + +//// ISwapRGBAComponents ////////////////////////////////////////////////////// + +void plJPEG::ISwapRGBAComponents( uint32_t *data, uint32_t count ) +{ + while( count-- ) + { + *data = ( ( ( *data ) & 0xff00ff00 ) ) | + ( ( ( *data ) & 0x00ff0000 ) >> 16 ) | +// ( ( ( *data ) & 0x0000ff00 ) << 8 ) | + ( ( ( *data ) & 0x000000ff ) << 16 ); + data++; + } +} + diff --git a/Sources/Plasma/PubUtilLib/plGImage/plJPEG.h b/Sources/Plasma/PubUtilLib/plGImage/plJPEG.h new file mode 100644 index 00000000..cdf7478c --- /dev/null +++ b/Sources/Plasma/PubUtilLib/plGImage/plJPEG.h @@ -0,0 +1,92 @@ +/*==LICENSE==* + +CyanWorlds.com Engine - MMOG client, server and tools +Copyright (C) 2011 Cyan Worlds, Inc. + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +This program 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 General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see . + +Additional permissions under GNU GPL version 3 section 7 + +If you modify this Program, or any covered work, by linking or +combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, +NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent +JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK +(or a modified version of those libraries), +containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, +PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG +JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the +licensors of this Program grant you additional +permission to convey the resulting work. Corresponding Source for a +non-source form of such a combination shall include the source code for +the parts of OpenSSL and IJG JPEG Library used as well as that of the covered +work. + +You can contact Cyan Worlds, Inc. by email legal@cyan.com + or by snail mail at: + Cyan Worlds, Inc. + 14617 N Newport Hwy + Mead, WA 99021 + +*==LICENSE==*/ +/////////////////////////////////////////////////////////////////////////////// +// // +// plJPEG - JPEG Codec Wrapper for Plasma // +// Cyan, Inc. // +// // +//// Version History ////////////////////////////////////////////////////////// +// // +// 2.1.2002 mcn - Created. // +// // +/////////////////////////////////////////////////////////////////////////////// + +#ifndef _plJPEG_h +#define _plJPEG_h + + +//// Class Definition ///////////////////////////////////////////////////////// + +class plMipmap; +class hsStream; + +class plJPEG +{ + protected: + + uint8_t fWriteQuality; + + // Pick one... + plMipmap *IRead( hsStream *inStream ); + bool IWrite( plMipmap *source, hsStream *outStream ); + + void ISwapRGBAComponents( uint32_t *data, uint32_t count ); + + public: + + plMipmap *ReadFromStream( hsStream *inStream ) { return IRead( inStream ); } + plMipmap *ReadFromFile( const char *fileName ); + plMipmap *ReadFromFile( const wchar_t *fileName ); + + bool WriteToStream( hsStream *outStream, plMipmap *sourceData ) { return IWrite( sourceData, outStream ); } + bool WriteToFile( const char *fileName, plMipmap *sourceData ); + bool WriteToFile( const wchar_t *fileName, plMipmap *sourceData ); + + // Range is 0 (worst) to 100 (best) + void SetWriteQuality( uint8_t q ) { fWriteQuality = q; } + + const char *GetLastError( void ); + + static plJPEG &Instance( void ); +}; + +#endif // _plJPEG_h