+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file mptr_imagemagick.cpp
-** \brief ppm Target Module
-**
-** $Id$
-**
-** \legal
-** 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 ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <ETL/stringf>
-#include "mptr_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/stringf>
-#include <synfig/general.h>
-
-#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_IMPORTER_INIT(imagemagick_mptr);
-SYNFIG_IMPORTER_SET_NAME(imagemagick_mptr,"imagemagick");
-SYNFIG_IMPORTER_SET_EXT(imagemagick_mptr,"miff");
-SYNFIG_IMPORTER_SET_VERSION(imagemagick_mptr,"0.1");
-SYNFIG_IMPORTER_SET_CVS_ID(imagemagick_mptr,"$Id$");
-
-/* === M E T H O D S ======================================================= */
-
-
-imagemagick_mptr::imagemagick_mptr(const char *f)
-{
-
- filename=f;
- file=NULL;
-}
-
-imagemagick_mptr::~imagemagick_mptr()
-{
- if(file)
- pclose(file);
-}
-
-bool
-imagemagick_mptr::get_frame(synfig::Surface &surface,Time /*time*/, synfig::ProgressCallback *cb)
-{
-//#define HAS_LIBPNG 1
-
-#if 1
- if(filename.empty())
- {
- if(cb)cb->error(_("No file to load"));
- else synfig::error(_("No file to load"));
- return false;
- }
- string temp_file="/tmp/deleteme.png";
-
-#if defined(WIN32_PIPE_TO_PROCESSES)
-
- if(file)
- pclose(file);
-
- string command;
-
- if(filename.find("psd")!=String::npos)
- command=strprintf("convert \"%s\" -flatten \"png32:%s\"\n",filename.c_str(),temp_file.c_str());
- else
- command=strprintf("convert \"%s\" \"png32:%s\"\n",filename.c_str(),temp_file.c_str());
-
- if(system(command.c_str())!=0)
- return false;
-
-#elif defined(UNIX_PIPE_TO_PROCESSES)
-
- string output="png32:"+temp_file;
-
- pid_t pid = fork();
-
- if (pid == -1) {
- return false;
- }
-
- if (pid == 0){
- // Child process
- if(filename.find("psd")!=String::npos)
- execlp("convert", "convert", filename.c_str(), "-flatten", output.c_str(), (const char *)NULL);
- else
- execlp("convert", "convert", filename.c_str(), output.c_str(), (const char *)NULL);
- // We should never reach here unless the exec failed
- return false;
- }
-
- int status;
- waitpid(pid, &status, 0);
- if( (WIFEXITED(status) && WEXITSTATUS(status) != 0) || !WIFEXITED(status) )
- return false;
-
-#else
- #error There are no known APIs for creating child processes
-#endif
-
- Importer::Handle importer(Importer::open(temp_file));
-
- if(!importer)
- {
- if(cb)cb->error(_("Unable to open ")+temp_file);
- else synfig::error(_("Unable to open ")+temp_file);
- return false;
- }
-
- if(!importer->get_frame(surface,0,cb))
- {
- if(cb)cb->error(_("Unable to get frame from ")+temp_file);
- else synfig::error(_("Unable to get frame from ")+temp_file);
- return false;
- }
-
- if(!surface)
- {
- if(cb)cb->error(_("Bad surface from ")+temp_file);
- else synfig::error(_("Bad surface from ")+temp_file);
- return false;
- }
-
- if(1)
- {
- // remove odd premultiplication
- for(int i=0;i<surface.get_w()*surface.get_h();i++)
- {
- Color c(surface[0][i]);
-
- if(c.get_a())
- {
- surface[0][i].set_r(c.get_r()/c.get_a()/c.get_a());
- surface[0][i].set_g(c.get_g()/c.get_a()/c.get_a());
- surface[0][i].set_b(c.get_b()/c.get_a()/c.get_a());
- }
- else
- {
- surface[0][i].set_r(0);
- surface[0][i].set_g(0);
- surface[0][i].set_b(0);
- }
- surface[0][i].set_a(c.get_a());
- }
- }
-
- Surface bleh(surface);
- surface=bleh;
-
- //remove(temp_file.c_str());
- return true;
-
-#else
-
-#error This code contains tempfile and arbitrary shell command execution vulnerabilities
-
- if(file)
- pclose(file);
-
- string command;
-
- if(filename.empty())
- {
- if(cb)cb->error(_("No file to load"));
- else synfig::error(_("No file to load"));
- return false;
- }
-
- command=strprintf("convert \"%s\" -flatten ppm:-\n",filename.c_str());
-
- file=popen(command.c_str(),POPEN_BINARY_READ_TYPE);
-
- if(!file)
- {
- if(cb)cb->error(_("Unable to open pipe to imagemagick"));
- else synfig::error(_("Unable to open pipe to imagemagick"));
- return false;
- }
- int w,h;
- float divisor;
- char cookie[2];
-
- while((cookie[0]=fgetc(file))!='P' && !feof(file));
-
- if(feof(file))
- {
- if(cb)cb->error(_("Reached end of stream without finding PPM header"));
- else synfig::error(_("Reached end of stream without finding PPM header"));
- return false;
- }
-
- cookie[1]=fgetc(file);
-
- if(cookie[0]!='P' || cookie[1]!='6')
- {
- if(cb)cb->error(string(_("stream not in PPM format"))+" \""+cookie[0]+cookie[1]+'"');
- else synfig::error(string(_("stream not in PPM format"))+" \""+cookie[0]+cookie[1]+'"');
- return false;
- }
-
- fgetc(file);
- fscanf(file,"%d %d\n",&w,&h);
- fscanf(file,"%f",&divisor);
- fgetc(file);
-
- if(feof(file))
- {
- if(cb)cb->error(_("Premature end of file (after header)"));
- else synfig::error(_("Premature end of file (after header)"));
- return false;
- }
-
- int x;
- int y;
- frame.set_wh(w,h);
- for(y=0;y<frame.get_h();y++)
- for(x=0;x<frame.get_w();x++)
- {
- if(feof(file))
- {
- if(cb)cb->error(_("Premature end of file"));
- else synfig::error(_("Premature end of file"));
- return false;
- }
- float b=gamma().r_U8_to_F32((unsigned char)fgetc(file));
- float g=gamma().g_U8_to_F32((unsigned char)fgetc(file));
- float r=gamma().b_U8_to_F32((unsigned char)fgetc(file));
-/*
- float b=(float)(unsigned char)fgetc(file)/divisor;
- float g=(float)(unsigned char)fgetc(file)/divisor;
- float r=(float)(unsigned char)fgetc(file)/divisor;
-*/
- frame[y][x]=Color(
- b,
- g,
- r,
- 1.0
- );
- }
-
- surface=frame;
-
- return true;
-#endif
-
-
-}
projects / synfig.git / blobdiff