+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file trgt_mng.cpp
-** \brief MNG Target Module
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2007 Paul Wise
-** Copyright (c) 2007 Chris Moore
-**
-** 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 ===========================================================
-**
-** 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 __attribute__ ((unused)))
-{
- free(ptr); return;
-}
-
-static mng_bool MNG_DECL
-mng_null_proc(mng_handle mng __attribute__ ((unused)))
-{
- // synfig::info("%s:%d mng_trgt::mng_null_proc was called", __FILE__, __LINE__);
- return MNG_TRUE;
-}
-
-static mng_bool MNG_DECL
-mng_write_proc(mng_handle mng, mng_ptr buf, mng_uint32 size, mng_uint32* written)
-{
- 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 __attribute__ ((unused)), mng_int32 error __attribute__ ((unused)),
- mng_int8 severity __attribute__ ((unused)), mng_chunkid chunkname __attribute__ ((unused)),
- mng_uint32 chunkseq __attribute__ ((unused)), mng_int32 extra1 __attribute__ ((unused)),
- mng_int32 extra2 __attribute__ ((unused)), mng_pchar errortext)
-{
- synfig::error("%s:%d mng_trgt: error: %s", __FILE__, __LINE__, errortext);
- 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::info("mng_trgt: ~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()
-{
- // synfig::info("%s:%d mng_trgt::init()", __FILE__, __LINE__);
-
- int frame_rate, num_frames, play_time;
- int num_layers = 1;
-
- if (multi_image)
- {
- frame_rate = int(desc.get_frame_rate());
- printf("frame rt %d\n", frame_rate);
- num_frames = desc.get_frame_end()-desc.get_frame_start();
- play_time = num_frames;// / frame_rate;
- }
- else
- {
- frame_rate = 0;
- num_frames = 1;
- play_time = 0;
- }
-
- time_t t = time (NULL);
- struct tm* gmt = gmtime(&t);
- w=desc.get_w(); h=desc.get_h();
- file = fopen(filename.c_str(), POPEN_BINARY_WRITE_TYPE);
- 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, frame_rate, num_layers, num_frames, play_time, MNG_SIMPLICITY_VALID|MNG_SIMPLICITY_SIMPLEFEATURES) != 0) goto cleanup_on_error;
- if (mng_putchunk_term(mng, MNG_TERMACTION_REPEAT, MNG_ITERACTION_LASTFRAME, 0, 0x7fffffff) != 0) goto cleanup_on_error;
- {
- char title[] = MNG_TEXT_TITLE;
- if (mng_putchunk_text(mng, sizeof(title), title,
- get_canvas()->get_name().length(), const_cast<char *>(get_canvas()->get_name().c_str())) != 0)
- goto cleanup_on_error;
-
- char description[] = MNG_TEXT_DESCRIPTION;
- if (mng_putchunk_text(mng, sizeof(description), description,
- get_canvas()->get_description().length(), const_cast<char *>(get_canvas()->get_description().c_str())) != 0)
- goto cleanup_on_error;
-
- char software[] = MNG_TEXT_SOFTWARE; char synfig[] = "SYNFIG";
- if (mng_putchunk_text(mng, sizeof(software), software,
- sizeof(synfig), synfig) != 0)
- goto cleanup_on_error;
- }
- if (mng_putchunk_gama(mng, MNG_FALSE, (int)(gamma().get_gamma()*100000)) != 0) goto cleanup_on_error;
- if (mng_putchunk_phys(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)+1];
- 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::info("%s:%d mng_trgt::end_frame()", __FILE__, __LINE__);
-
- if (deflate(&zstream,Z_FINISH) != Z_STREAM_END)
- {
- synfig::error("%s:%d deflate()", __FILE__, __LINE__);
- return;
- }
- if (deflateEnd(&zstream) != Z_OK)
- {
- synfig::error("%s:%d deflateEnd()", __FILE__, __LINE__);
- return;
- }
- if (mng != MNG_NULL)
- {
- mng_putchunk_idat(mng, zstream.next_out-zbuffer, zbuffer);
- mng_putchunk_iend(mng);
- }
- imagecount++;
- ready=false;
-}
-
-bool
-mng_trgt::start_frame(synfig::ProgressCallback *callback __attribute__ ((unused)))
-{
- // synfig::info("%s:%d mng_trgt::start_frame()", __FILE__, __LINE__);
-
- if (mng == MNG_NULL)
- {
- synfig::error("%s:%d mng == MNG_NULL", __FILE__, __LINE__);
- return false;
- }
-
- if (mng_putchunk_ihdr(mng, w, h, MNG_BITDEPTH_8, MNG_COLORTYPE_RGBA, MNG_COMPRESSION_DEFLATE, MNG_FILTER_ADAPTIVE, MNG_INTERLACE_NONE) != 0)
- {
- synfig::error("%s:%d mng_putchunk_ihdr()", __FILE__, __LINE__);
- return false;
- }
-
- zstream.zalloc = Z_NULL;
- zstream.zfree = Z_NULL;
- zstream.opaque = Z_NULL;
-
- if (deflateInit(&zstream, /* Z_BEST_COMPRESSION */ Z_DEFAULT_COMPRESSION) != Z_OK)
- {
- synfig::error("%s:%d deflateInit()", __FILE__, __LINE__);
- return false;
- }
-
- if (zbuffer == NULL)
- {
- zbuffer_len = deflateBound(&zstream,((4*w)+1)*h); // don't forget the 'filter' byte - one per scanline
- zbuffer = (unsigned char*)realloc(zbuffer, zbuffer_len);
- }
-
- zstream.avail_out = zbuffer_len;
- zstream.next_out = zbuffer;
-
- ready=true;
-
- return true;
-}
-
-Color*
-mng_trgt::start_scanline(int scanline __attribute__ ((unused)))
-{
- return color_buffer;
-}
-
-bool
-mng_trgt::end_scanline()
-{
- if (!file || !ready)
- {
- synfig::error("%s:%d !file or !ready", __FILE__, __LINE__);
- return false;
- }
-
- *buffer = MNG_FILTER_NONE;
- convert_color_format(buffer+1, color_buffer, desc.get_w(), PF_RGB|PF_A, gamma());
-
- zstream.next_in = buffer;
- zstream.avail_in = (4*w)+1;
-
- if (deflate(&zstream,Z_NO_FLUSH) != Z_OK) {
- synfig::error("%s:%d deflate()", __FILE__, __LINE__);
- return false;
- }
-
- return true;
-}
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