+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file trgt_mng.cpp
-** \brief MNG Target Module
-**
-** $Id$
-**
-** \legal
-** Copyright 2007 Paul Wise
-**
-** This package 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 2 of
-** the License, or (at your option) any later version.
-**
-** This package 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.
-** \endlegal
-**
-** === N O T E S ===========================================================
-**
-** FIXME: THIS DOES NOT ACTUALLY WORK YET
-**
-** You will need to read the PNG and MNG specs to understand this code
-**
-** ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#define SYNFIG_TARGET
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "trgt_mng.h"
-#include <libmng.h>
-#include <ETL/stringf>
-#include <cstdio>
-#include <algorithm>
-#include <functional>
-#include <ETL/misc>
-
-#endif
-
-/* === M A C R O S ========================================================= */
-
-using namespace synfig;
-using namespace std;
-using namespace etl;
-
-/* === G L O B A L S ======================================================= */
-
-SYNFIG_TARGET_INIT(mng_trgt);
-SYNFIG_TARGET_SET_NAME(mng_trgt,"mng");
-SYNFIG_TARGET_SET_EXT(mng_trgt,"mng");
-SYNFIG_TARGET_SET_VERSION(mng_trgt,"0.1");
-SYNFIG_TARGET_SET_CVS_ID(mng_trgt,"$Id$");
-
-/* === M E T H O D S ======================================================= */
-
-static mng_ptr MNG_DECL mng_alloc_proc(mng_size_t size){
- return (mng_ptr)calloc(1,size);
-}
-
-static void MNG_DECL mng_free_proc(mng_ptr ptr, mng_size_t size)
-{
- free(ptr); return;
-}
-
-static mng_bool MNG_DECL mng_null_proc(mng_handle mng)
-{
- synfig::error("mng_trgt: error: mng_null_proc");
- return MNG_TRUE;
-}
-
-static mng_bool MNG_DECL mng_write_proc(mng_handle mng, mng_ptr buf, mng_uint32 size, mng_uint32* written)
-{
- synfig::error("mng_trgt: error: mng_write_proc");
- FILE* file = (FILE*)mng_get_userdata (mng);
- *written = fwrite(buf, 1, size, file);
- return MNG_TRUE;
-}
-
-static mng_bool MNG_DECL mng_error_proc(
- mng_handle mng, mng_int32 error, mng_int8 severity, mng_chunkid chunkname,
- mng_uint32 chunkseq, mng_int32 extra1, mng_int32 extra2, mng_pchar errortext){
- mng_trgt* me = (mng_trgt*)mng_get_userdata (mng);
- fprintf(stderr,"mng_trgt: error: %s",errortext);
- // me->ready=false;
- return MNG_TRUE;
-}
-
-mng_trgt::mng_trgt(const char *Filename):
- filename(Filename)
-{
- file=NULL;
- buffer=NULL;
- color_buffer=NULL;
- zbuffer=NULL;
- zbuffer_len=0;
- ready=false;
-}
-
-mng_trgt::~mng_trgt()
-{
- synfig::error("mng_trgt: error: ~mng_trgt");
- if( mng != MNG_NULL){
- mng_putchunk_mend(mng);
- if( mng_write(mng) != 0 ){
- mng_int8 severity;
- mng_chunkid chunkname;
- mng_uint32 chunkseq;
- mng_int32 extra1;
- mng_int32 extra2;
- mng_pchar errortext;
- mng_getlasterror(mng, &severity, &chunkname, &chunkseq, &extra1,&extra2, &errortext);
- synfig::error("mng_trgt: error: couldn't write mng: %s",errortext);
- }
- mng_cleanup (&mng);
- }
- if( file != NULL ) fclose(file); file=NULL;
- if( buffer != NULL ){ delete [] buffer; buffer = NULL; }
- if( color_buffer != NULL ){ delete [] color_buffer; color_buffer = NULL; }
- if( zbuffer != NULL ){ free(zbuffer); zbuffer = NULL; zbuffer_len = 0; }
-}
-
-bool
-mng_trgt::set_rend_desc(RendDesc *given_desc)
-{
- desc=*given_desc;
- imagecount=desc.get_frame_start();
- if(desc.get_frame_end()-desc.get_frame_start()>0)
- multi_image=true;
- else
- multi_image=false;
- return true;
-}
-
-
-bool
-mng_trgt::init(){
- time_t t = time (NULL);
- struct tm* gmt = gmtime(&t);
- w=desc.get_w(); h=desc.get_h();
- //synfig::error("mng_trgt: init %d %d",w,h);
- file = fopen(filename.c_str(), "wb");
- if( file == NULL ) goto cleanup_on_error;
- mng = mng_initialize((mng_ptr)file, mng_alloc_proc, mng_free_proc, MNG_NULL);
- if(mng == MNG_NULL) goto cleanup_on_error;
- if( mng_setcb_errorproc(mng, mng_error_proc) != 0 ) goto cleanup_on_error;
- if( mng_setcb_writedata(mng, mng_write_proc) != 0 ) goto cleanup_on_error;
- if( mng_setcb_openstream(mng, mng_null_proc) != 0 ) goto cleanup_on_error;
- if( mng_setcb_closestream(mng, mng_null_proc) != 0 ) goto cleanup_on_error;
- if( mng_create(mng) != 0 ) goto cleanup_on_error;
- if( mng_putchunk_mhdr(mng, w, h, multi_image?1000:0, 1, desc.get_frame_end()-desc.get_frame_start(), 0, 0) != 0 ) goto cleanup_on_error;
- if( mng_putchunk_term(mng, MNG_TERMACTION_REPEAT, MNG_ITERACTION_LASTFRAME, 0, 0x7fffffff) != 0 ) goto cleanup_on_error;
- if( mng_putchunk_text(mng, sizeof(MNG_TEXT_TITLE), MNG_TEXT_TITLE, get_canvas()->get_name().length(), const_cast<char *>(get_canvas()->get_name().c_str()) ) != 0 ) goto cleanup_on_error;
- if( mng_putchunk_text(mng, sizeof(MNG_TEXT_DESCRIPTION), MNG_TEXT_DESCRIPTION, get_canvas()->get_description().length(), const_cast<char *>(get_canvas()->get_description().c_str()) ) != 0 ) goto cleanup_on_error;
- if( mng_putchunk_text(mng, sizeof(MNG_TEXT_SOFTWARE), MNG_TEXT_SOFTWARE, sizeof("SYNFIG"), "SYNFIG" ) != 0 ) goto cleanup_on_error;
- /* FIXME: not sure if this is correct */
- if( mng_putchunk_gama(mng, MNG_FALSE, (int)(1.0/gamma().get_gamma()*100000)) != 0 ) goto cleanup_on_error;
- if( mng_putchunk_phyg(mng, MNG_FALSE,round_to_int(desc.get_x_res()),round_to_int(desc.get_y_res()),MNG_UNIT_METER) != 0 ) goto cleanup_on_error;
- if( mng_putchunk_time(mng, gmt->tm_year + 1900, gmt->tm_mon + 1, gmt->tm_mday, gmt->tm_hour, gmt->tm_min, gmt->tm_sec) != 0 ) goto cleanup_on_error;
- buffer=new unsigned char[4*w];
- if( buffer == NULL ) goto cleanup_on_error;
- color_buffer=new Color[w];
- if( color_buffer == NULL ) goto cleanup_on_error;
- return true;
-
-cleanup_on_error:
- ready=false;
- if( mng != MNG_NULL){
- mng_int8 severity;
- mng_chunkid chunkname;
- mng_uint32 chunkseq;
- mng_int32 extra1;
- mng_int32 extra2;
- mng_pchar errortext;
- mng_getlasterror (mng, &severity, &chunkname, &chunkseq, &extra1,&extra2, &errortext);
- synfig::error("mng_trgt: libmng: %s",errortext);
- mng_cleanup (&mng);
- }
- if( file && file!=stdout ) fclose(file); file=NULL;
- if( buffer != NULL ){ delete [] buffer; buffer = NULL; }
- if( color_buffer != NULL ){ delete [] color_buffer; color_buffer = NULL; }
- return false;
-}
-
-void
-mng_trgt::end_frame()
-{
- //synfig::error("mng_trgt: endf %d %d",w,h);
- //synfig::error("mng_trgt: error: endframe");
- deflate(&zstream,Z_FINISH);
- deflateEnd(&zstream);
- if( mng != MNG_NULL ){
- mng_int8 severity;
- mng_chunkid chunkname;
- mng_uint32 chunkseq;
- mng_int32 extra1;
- mng_int32 extra2;
- mng_pchar errortext;
- mng_putchunk_idat(mng, zbuffer_len, zbuffer);
- //mng_getlasterror (mng, &severity, &chunkname, &chunkseq, &extra1,&extra2, &errortext);
- //synfig::error("mng_trgt: libmng: %s %d",errortext,zbuffer_len);
- mng_putchunk_iend(mng);
- //mng_getlasterror (mng, &severity, &chunkname, &chunkseq, &extra1,&extra2, &errortext);
- //synfig::error("mng_trgt: libmng: %s %d",errortext);
- }
- imagecount++;
- ready=false;
-}
-
-bool
-mng_trgt::start_frame(synfig::ProgressCallback *callback)
-{
- //synfig::error("mng_trgt: startf %d %d",w,h);
- //synfig::error("mng_trgt: error: startframe");
- /*
- FIXME: figure out if we need this
- mng_putchunk_fram(mng,
- MNG_FALSE,
- MNG_FRAMINGMODE_NOCHANGE,
- 0,
- NULL,
- MNG_CHANGEDELAY_NO,
- MNG_CHANGETIMOUT_NO,
- MNG_CHANGECLIPPING_NO,
- MNG_CHANGESYNCID_NO,
- 0,
- 0,
- 0,
- layer_offset_x,
- layer_offset_x + layer_cols,
- layer_offset_y,
- layer_offset_y + layer_rows,
- 0,
- 0)
- mng_getchunk_fram(mng_handle hHandle,
- mng_handle hChunk,
- mng_bool *bEmpty,
- mng_uint8 *iMode,
- mng_uint32 *iNamesize,
- mng_pchar *zName,
- mng_uint8 *iChangedelay,
- mng_uint8 *iChangetimeout,
- mng_uint8 *iChangeclipping,
- mng_uint8 *iChangesyncid,
- mng_uint32 *iDelay,
- mng_uint32 *iTimeout,
- mng_uint8 *iBoundarytype,
- mng_int32 *iBoundaryl,
- mng_int32 *iBoundaryr,
- mng_int32 *iBoundaryt,
- mng_int32 *iBoundaryb,
- mng_uint32 *iCount,
- mng_uint32p *pSyncids);
- */
- if( mng == MNG_NULL ) return false;
- if( mng_putchunk_defi(mng,0,MNG_DONOTSHOW_VISIBLE,MNG_ABSTRACT,MNG_FALSE,0,0,MNG_FALSE,0,0,0,0) != 0) return false;
- if( mng_putchunk_ihdr(mng,w,h,MNG_BITDEPTH_8,MNG_COLORTYPE_RGBA,MNG_COMPRESSION_DEFLATE, 0/*MNG_FILTER_NO_DIFFERING*/,MNG_INTERLACE_NONE) != 0) return false;
- zstream.zalloc = Z_NULL;
- zstream.zfree = Z_NULL;
- zstream.opaque = Z_NULL;
- zstream.data_type = Z_BINARY;
- if( deflateInit(&zstream, Z_DEFAULT_COMPRESSION) != Z_OK ) return false;
- //zbuffer_len = deflateBound(&zstream,4*w*h);
- if(zbuffer == NULL){
- zbuffer_len = 4*w*h;
- zbuffer = (unsigned char*)realloc(zbuffer, zbuffer_len);
- zstream.next_out = zbuffer;
- zstream.avail_out = zbuffer_len;
- }
- ready=true;
- return true;
-}
-
-Color *
-mng_trgt::start_scanline(int scanline)
-{
- //synfig::error("mng_trgt: starts %d %d",w,h);
- //synfig::error("mng_trgt: error: startscanline");
- return color_buffer;
-}
-
-bool
-mng_trgt::end_scanline()
-{
- //synfig::error("mng_trgt: ends %d %d",w,h);
- //synfig::error("mng_trgt: error: endscanline");
- if(!file || !ready)
- return false;
- convert_color_format(buffer, color_buffer, desc.get_w(), PF_RGB|PF_A, gamma());
- /* FIXME: Implement buffer management */
- zstream.next_in = buffer;
- zstream.avail_in = 4*w;
- deflate(&zstream,Z_NO_FLUSH);
- return true;
-}
projects / synfig.git / blobdiff