+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file trgt_imagemagick.cpp
-** \brief ppm Target Module
-**
-** \legal
-** $Id$
-**
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** 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 ===========================================================
-**
-** ========================================================================= */
-
-/* === 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 <ETL/stringf>
-#include "trgt_imagemagick.h"
-#include <stdio.h>
-#include <sys/types.h>
-#if HAVE_SYS_WAIT_H
- #include <sys/wait.h>
-#endif
-#if HAVE_IO_H
- #include <io.h>
-#endif
-#if HAVE_PROCESS_H
- #include <process.h>
-#endif
-#if HAVE_FCNTL_H
- #include <fcntl.h>
-#endif
-#include <unistd.h>
-#include <algorithm>
-#include <functional>
-#include <ETL/clock>
-#include <ETL/misc>
-
-#endif
-
-/* === M A C R O S ========================================================= */
-
-using namespace synfig;
-using namespace std;
-using namespace etl;
-
-#if defined(HAVE_FORK) && defined(HAVE_PIPE) && defined(HAVE_WAITPID)
- #define UNIX_PIPE_TO_PROCESSES
-#else
- #define WIN32_PIPE_TO_PROCESSES
-#endif
-
-/* === G L O B A L S ======================================================= */
-
-SYNFIG_TARGET_INIT(imagemagick_trgt);
-SYNFIG_TARGET_SET_NAME(imagemagick_trgt,"imagemagick");
-SYNFIG_TARGET_SET_EXT(imagemagick_trgt,"miff");
-SYNFIG_TARGET_SET_VERSION(imagemagick_trgt,"0.1");
-SYNFIG_TARGET_SET_CVS_ID(imagemagick_trgt,"$Id$");
-
-/* === M E T H O D S ======================================================= */
-
-imagemagick_trgt::imagemagick_trgt(const char *Filename)
-{
- pid=-1;
- file=NULL;
- filename=Filename;
- multi_image=false;
- buffer=NULL;
- color_buffer=0;
-}
-
-imagemagick_trgt::~imagemagick_trgt()
-{
- if(file){
-#if defined(WIN32_PIPE_TO_PROCESSES)
- pclose(file);
-#elif defined(UNIX_PIPE_TO_PROCESSES)
- fclose(file);
- int status;
- waitpid(pid,&status,0);
-#endif
- }
- file=NULL;
- delete [] buffer;
- delete [] color_buffer;
-}
-
-bool
-imagemagick_trgt::set_rend_desc(RendDesc *given_desc)
-{
- if(filename_extension(filename) == ".xpm")
- pf=PF_RGB;
- else
- pf=PF_RGB|PF_A;
-
- desc=*given_desc;
- return true;
-}
-
-bool
-imagemagick_trgt::init()
-{
- imagecount=desc.get_frame_start();
- if(desc.get_frame_end()-desc.get_frame_start()>0)
- multi_image=true;
-
- delete [] buffer;
- buffer=new unsigned char[channels(pf)*desc.get_w()];
- delete [] color_buffer;
- color_buffer=new Color[desc.get_w()];
- return true;
-}
-
-void
-imagemagick_trgt::end_frame()
-{
- if(file)
- {
- fputc(0,file);
- fflush(file);
-#if defined(WIN32_PIPE_TO_PROCESSES)
- pclose(file);
-#elif defined(UNIX_PIPE_TO_PROCESSES)
- fclose(file);
- int status;
- waitpid(pid,&status,0);
-#endif
- }
- file=NULL;
- imagecount++;
-}
-
-bool
-imagemagick_trgt::start_frame(synfig::ProgressCallback *cb)
-{
- const char *msg=_("Unable to open pipe to imagemagick's convert utility");
-
- string newfilename;
-
- if (multi_image)
- newfilename = (filename_sans_extension(filename) +
- etl::strprintf(".%04d",imagecount) +
- filename_extension(filename));
- else
- newfilename = filename;
-
-#if defined(WIN32_PIPE_TO_PROCESSES)
-
- string command;
-
- command=strprintf("convert -depth 8 -size %dx%d rgb%s:-[0] -density %dx%d \"%s\"\n",
- desc.get_w(), desc.get_h(), // size
- ((channels(pf) == 4) ? "a" : ""), // rgba or rgb?
- round_to_int(desc.get_x_res()/39.3700787402), // density
- round_to_int(desc.get_y_res()/39.3700787402),
- newfilename.c_str());
-
- file=popen(command.c_str(),POPEN_BINARY_WRITE_TYPE);
-
-#elif defined(UNIX_PIPE_TO_PROCESSES)
-
- int p[2];
-
- if (pipe(p)) {
- if(cb) cb->error(N_(msg));
- else synfig::error(N_(msg));
- return false;
- };
-
- pid = fork();
-
- if (pid == -1) {
- if(cb) cb->error(N_(msg));
- else synfig::error(N_(msg));
- return false;
- }
-
- if (pid == 0){
- // Child process
- // Close pipeout, not needed
- close(p[1]);
- // Dup pipeout to stdin
- if( dup2( p[0], STDIN_FILENO ) == -1 ){
- if(cb) cb->error(N_(msg));
- else synfig::error(N_(msg));
- return false;
- }
- // Close the unneeded pipeout
- close(p[0]);
- execlp("convert", "convert",
- "-depth", "8",
- "-size", strprintf("%dx%d", desc.get_w(), desc.get_h()).c_str(),
- ((channels(pf) == 4) ? "rgba:-[0]" : "rgb:-[0]"),
- "-density", strprintf("%dx%d", round_to_int(desc.get_x_res()/39.3700787402), round_to_int(desc.get_y_res()/39.3700787402)).c_str(),
- newfilename.c_str(),
- (const char *)NULL);
- // We should never reach here unless the exec failed
- if(cb) cb->error(N_(msg));
- else synfig::error(N_(msg));
- return false;
- } else {
- // Parent process
- // Close pipein, not needed
- close(p[0]);
- // Save pipeout to file handle, will write to it later
- file = fdopen(p[1], "wb");
- }
-
-#else
- #error There are no known APIs for creating child processes
-#endif
-
- if(!file)
- {
- if(cb)cb->error(N_(msg));
- else synfig::error(N_(msg));
- return false;
- }
-
- //etl::yield();
-
- return true;
-}
-
-Color *
-imagemagick_trgt::start_scanline(int /*scanline*/)
-{
- return color_buffer;
-}
-
-bool
-imagemagick_trgt::end_scanline(void)
-{
- if(!file)
- return false;
-
- convert_color_format(buffer, color_buffer, desc.get_w(), pf, gamma());
-
- if(!fwrite(buffer,channels(pf),desc.get_w(),file))
- return false;
-
- return true;
-}
projects / synfig.git / blobdiff