--- /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