Darryl Pogue
12 years ago
17 changed files with 47 additions and 564 deletions
@ -1,20 +0,0 @@
|
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include_directories("../../CoreLib") |
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include_directories("../../NucleusLib/inc") |
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include_directories("../../NucleusLib") |
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include_directories("../../PubUtilLib") |
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find_package(JPEG REQUIRED) |
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include_directories(${JPEG_INCLUDE_DIR}) |
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set(plJPEG_SOURCES |
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plJPEG.cpp |
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) |
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set(plJPEG_HEADERS |
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plJPEG.h |
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) |
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add_library(plJPEG STATIC ${plJPEG_SOURCES} ${plJPEG_HEADERS}) |
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source_group("Source Files" FILES ${plJPEG_SOURCES}) |
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source_group("Header Files" FILES ${plJPEG_HEADERS}) |
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@ -1,408 +0,0 @@
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/*==LICENSE==*
|
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|
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
||||
|
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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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. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>.
|
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|
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Additional permissions under GNU GPL version 3 section 7 |
||||
|
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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. |
||||
|
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
||||
or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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|
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*==LICENSE==*/ |
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///////////////////////////////////////////////////////////////////////////////
|
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// //
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// plJPEG - JPEG Codec Wrapper for Plasma //
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// Cyan, Inc. //
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// //
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//// Version History //////////////////////////////////////////////////////////
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// //
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// 2.1.2002 mcn - Created. //
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// //
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///////////////////////////////////////////////////////////////////////////////
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#include "HeadSpin.h" |
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#include "plJPEG.h" |
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#include "hsStream.h" |
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#include "hsExceptions.h" |
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#include "plGImage/plMipmap.h" |
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#include <jpeglib.h> |
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#include <jerror.h> |
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//// Local Statics ////////////////////////////////////////////////////////////
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// Done this way so we don't have to declare them in the .h file and pull in
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// the platform-specific library
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// It is not thread-safe to use a static char buffer, but it wasn't really
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// thread-safe to use a static int either. The char buffer is slightly
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// worse since you could get mangled strings instead of just a stale error.
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static char jpegmsg[JMSG_LENGTH_MAX]; |
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// jpeglib error handlers
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static void plJPEG_error_exit( j_common_ptr cinfo ) |
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{ |
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(*cinfo->err->format_message) ( cinfo, jpegmsg ); |
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throw ( false ); |
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} |
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static void plJPEG_emit_message( j_common_ptr cinfo, int msg_level ) |
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{ |
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// log NOTHING
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} |
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static void clear_jpegmsg() |
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{ |
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// "Success" is what IJL produced for no error
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strcpy( jpegmsg, "Success" ); |
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} |
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//// Instance /////////////////////////////////////////////////////////////////
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plJPEG &plJPEG::Instance( void ) |
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{ |
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clear_jpegmsg(); |
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static plJPEG theInstance; |
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return theInstance; |
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} |
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//// GetLastError /////////////////////////////////////////////////////////////
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const char *plJPEG::GetLastError( void ) |
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{ |
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return jpegmsg; |
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} |
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//// IRead ////////////////////////////////////////////////////////////////////
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// Given an open hsStream (or a filename), reads the JPEG data off of the
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// stream and decodes it into a new plMipmap. The mipmap's buffer ends up
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// being a packed RGBx buffer, where x is 8 bits of unused alpha (go figure
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// that JPEG images can't store alpha, or even if they can, IJL certainly
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// doesn't know about it).
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// Returns a pointer to the new mipmap if successful, nil otherwise.
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// Note: more or less lifted straight out of the IJL documentation, with
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// some changes to fit Plasma coding style and formats.
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plMipmap *plJPEG::IRead( hsStream *inStream ) |
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{ |
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plMipmap *newMipmap = nil; |
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uint8_t *jpegSourceBuffer = nil; |
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uint32_t jpegSourceSize; |
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struct jpeg_decompress_struct cinfo; |
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struct jpeg_error_mgr jerr; |
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clear_jpegmsg(); |
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cinfo.err = jpeg_std_error( &jerr ); |
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jerr.error_exit = plJPEG_error_exit; |
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jerr.emit_message = plJPEG_emit_message; |
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try |
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{ |
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jpeg_create_decompress( &cinfo ); |
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/// Read in the JPEG header
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if ( inStream->GetEOF() == 0 ) |
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throw( false ); |
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/// Wonderful limitation of mixing our streams with IJL--it wants either a filename
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/// or a memory buffer. Since we can't give it the former, we have to read the entire
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/// JPEG stream into a separate buffer before we can decode it. Which means we ALSO
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/// have to write/read a length of said buffer. Such is life, I guess...
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jpegSourceSize = inStream->ReadLE32(); |
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jpegSourceBuffer = new uint8_t[ jpegSourceSize ]; |
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if( jpegSourceBuffer == nil ) |
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{ |
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// waah.
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ERREXIT1( &cinfo, JERR_OUT_OF_MEMORY, 0 ); |
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} |
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inStream->Read( jpegSourceSize, jpegSourceBuffer ); |
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jpeg_mem_src( &cinfo, jpegSourceBuffer, jpegSourceSize ); |
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(void) jpeg_read_header( &cinfo, TRUE ); |
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/// So we got lots of data to play with now. First, set the JPEG color
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/// space to read in from/as...
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/// From the IJL code:
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// "Set the JPG color space ... this will always be
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// somewhat of an educated guess at best because JPEG
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// is "color blind" (i.e., nothing in the bit stream
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// tells you what color space the data was encoded from).
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// However, in this example we assume that we are
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// reading JFIF files which means that 3 channel images
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// are in the YCbCr color space and 1 channel images are
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// in the Y color space."
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switch( cinfo.jpeg_color_space ) |
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{ |
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case JCS_GRAYSCALE: |
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case JCS_YCbCr: |
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cinfo.out_color_space = JCS_RGB; |
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break; |
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default: |
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// We should probably assert here, since we're pretty sure we WON'T get ARGB. <sigh>
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hsAssert( false, "Unknown JPEG stream format in ReadFromStream()" ); |
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cinfo.out_color_space = JCS_UNKNOWN; |
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break; |
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} |
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(void) jpeg_start_decompress( &cinfo ); |
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/// Construct a new mipmap to hold everything
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newMipmap = new plMipmap( cinfo.output_width, cinfo.output_height, plMipmap::kRGB32Config, 1, plMipmap::kJPEGCompression ); |
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if( newMipmap == nil || newMipmap->GetImage() == nil ) |
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{ |
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ERREXIT1( &cinfo, JERR_OUT_OF_MEMORY, 0 ); |
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} |
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/// Set up to read in to that buffer we now have
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JSAMPROW jbuffer; |
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int row_stride = cinfo.output_width * cinfo.output_components; |
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int out_stride = cinfo.output_width * 4; // Decompress to RGBA
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jbuffer = new JSAMPLE[row_stride]; |
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uint8_t *destp = (uint8_t *)newMipmap->GetImage(); |
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while( cinfo.output_scanline < cinfo.output_height ) |
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{ |
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(void) jpeg_read_scanlines( &cinfo, &jbuffer, 1 ); |
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(void) memset( destp, 0xFF, out_stride ); |
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for( size_t pixel = 0; pixel < cinfo.output_width; ++pixel ) |
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{ |
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(void) memcpy( destp + (pixel * 4), |
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jbuffer + (pixel * cinfo.output_components), |
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cinfo.out_color_components ); |
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} |
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destp += out_stride; |
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} |
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(void) jpeg_finish_decompress(&cinfo); |
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delete [] jbuffer; |
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// Sometimes life just sucks
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ISwapRGBAComponents( (uint32_t *)newMipmap->GetImage(), newMipmap->GetWidth() * newMipmap->GetHeight() ); |
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} |
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catch( ... ) |
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{ |
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delete newMipmap; |
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newMipmap = nil; |
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} |
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// Cleanup
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delete [] jpegSourceBuffer; |
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// Clean up the JPEG Library
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jpeg_destroy_decompress( &cinfo ); |
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// All done!
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return newMipmap; |
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} |
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plMipmap* plJPEG::ReadFromFile( const char *fileName ) |
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{ |
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wchar_t* wFilename = hsStringToWString(fileName); |
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plMipmap* retVal = ReadFromFile(wFilename); |
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delete [] wFilename; |
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return retVal; |
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} |
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plMipmap* plJPEG::ReadFromFile( const wchar_t *fileName ) |
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{ |
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// we use a stream because the IJL can't handle unicode
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hsRAMStream tempstream; |
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hsUNIXStream in; |
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if (!in.Open(fileName, L"rb")) |
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return nil; |
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// The stream reader for JPEGs expects a 32-bit size at the start,
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// so insert that into the stream before passing it on
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in.FastFwd(); |
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uint32_t fsize = in.GetPosition(); |
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uint8_t *tempbuffer = new uint8_t[fsize]; |
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in.Rewind(); |
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in.Read(fsize, tempbuffer); |
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tempstream.WriteLE32(fsize); |
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tempstream.Write(fsize, tempbuffer); |
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delete [] tempbuffer; |
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tempstream.Rewind(); |
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plMipmap* ret = IRead(&tempstream); |
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in.Close(); |
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return ret; |
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} |
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|
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//// IWrite ///////////////////////////////////////////////////////////////////
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// Oh, figure it out yourself. :P
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bool plJPEG::IWrite( plMipmap *source, hsStream *outStream ) |
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{ |
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bool result = true, swapped = false; |
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uint8_t *jpgBuffer = nil; |
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uint32_t jpgBufferSize = 0; |
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|
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struct jpeg_compress_struct cinfo; |
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struct jpeg_error_mgr jerr; |
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|
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clear_jpegmsg(); |
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cinfo.err = jpeg_std_error( &jerr ); |
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jerr.error_exit = plJPEG_error_exit; |
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jerr.emit_message = plJPEG_emit_message; |
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try |
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{ |
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jpeg_create_compress( &cinfo ); |
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// Create a buffer to hold the data
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jpgBufferSize = source->GetWidth() * source->GetHeight() * 3; |
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jpgBuffer = new uint8_t[ jpgBufferSize ]; |
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if( jpgBuffer == nil ) |
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{ |
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ERREXIT1( &cinfo, JERR_OUT_OF_MEMORY, 0 ); |
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} |
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|
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uint8_t *bufferAddr = jpgBuffer; |
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unsigned long bufferSize = jpgBufferSize; |
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jpeg_mem_dest( &cinfo, &bufferAddr, &bufferSize ); |
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|
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cinfo.image_width = source->GetWidth(); |
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cinfo.image_height = source->GetHeight(); |
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cinfo.input_components = 3; |
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cinfo.in_color_space = JCS_RGB; |
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jpeg_set_defaults( &cinfo ); |
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cinfo.jpeg_width = source->GetWidth(); // default
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cinfo.jpeg_height = source->GetHeight(); // default
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cinfo.jpeg_color_space = JCS_YCbCr; // default
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// not sure how to set 4:1:1 but supposedly it's the default
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jpeg_set_quality( &cinfo, fWriteQuality, TRUE ); |
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jpeg_start_compress( &cinfo, TRUE ); |
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// Sometimes life just sucks
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ISwapRGBAComponents( (uint32_t *)source->GetImage(), source->GetWidth() * source->GetHeight() ); |
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swapped = true; |
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// Write it!
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JSAMPROW jbuffer; |
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int in_stride = cinfo.image_width * 4; // Input is always RGBA
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int row_stride = cinfo.image_width * cinfo.input_components; |
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jbuffer = new JSAMPLE[row_stride]; |
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|
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uint8_t *srcp = (uint8_t *)source->GetImage(); |
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while( cinfo.next_scanline < cinfo.image_height ) |
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{ |
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for( size_t pixel = 0; pixel < cinfo.image_width; ++pixel ) |
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{ |
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(void) memcpy( jbuffer + (pixel * cinfo.input_components), |
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srcp + (pixel * 4), cinfo.input_components ); |
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} |
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(void) jpeg_write_scanlines( &cinfo, &jbuffer, 1 ); |
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srcp += in_stride; |
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} |
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jpeg_finish_compress( &cinfo ); |
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delete [] jbuffer; |
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// jpeglib changes bufferSize and bufferAddr
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outStream->WriteLE32( bufferSize ); |
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outStream->Write( bufferSize, bufferAddr ); |
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} |
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catch( ... ) |
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{ |
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result = false; |
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} |
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|
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// Cleanup
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if ( jpgBuffer ) |
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delete [] jpgBuffer; |
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jpeg_destroy_compress( &cinfo ); |
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|
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if( swapped ) |
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ISwapRGBAComponents( (uint32_t *)source->GetImage(), source->GetWidth() * source->GetHeight() ); |
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|
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return result; |
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} |
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|
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bool plJPEG::WriteToFile( const char *fileName, plMipmap *sourceData ) |
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{ |
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wchar_t* wFilename = hsStringToWString(fileName); |
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bool retVal = WriteToFile(wFilename, sourceData); |
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delete [] wFilename; |
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return retVal; |
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} |
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|
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bool plJPEG::WriteToFile( const wchar_t *fileName, plMipmap *sourceData ) |
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{ |
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// we use a stream because the IJL can't handle unicode
|
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hsRAMStream tempstream; |
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hsUNIXStream out; |
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if (!out.Open(fileName, L"wb")) |
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return false; |
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bool ret = IWrite(sourceData, &tempstream); |
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if (ret) |
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{ |
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// The stream writer for JPEGs prepends a 32-bit size,
|
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// so remove that from the stream before saving to a file
|
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tempstream.Rewind(); |
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uint32_t fsize = tempstream.ReadLE32(); |
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uint8_t *tempbuffer = new uint8_t[fsize]; |
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tempstream.Read(fsize, tempbuffer); |
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out.Write(fsize, tempbuffer); |
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|
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delete [] tempbuffer; |
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} |
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out.Close(); |
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return ret; |
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} |
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|
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//// ISwapRGBAComponents //////////////////////////////////////////////////////
|
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|
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void plJPEG::ISwapRGBAComponents( uint32_t *data, uint32_t count ) |
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{ |
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while( count-- ) |
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{ |
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*data = ( ( ( *data ) & 0xff00ff00 ) ) | |
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( ( ( *data ) & 0x00ff0000 ) >> 16 ) | |
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// ( ( ( *data ) & 0x0000ff00 ) << 8 ) |
|
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( ( ( *data ) & 0x000000ff ) << 16 ); |
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data++; |
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} |
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} |
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|
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@ -1,92 +0,0 @@
|
||||
/*==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 <http://www.gnu.org/licenses/>.
|
||||
|
||||
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
|
||||
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