** $Id$
**
** 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
#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>
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);
imagemagick_trgt::imagemagick_trgt(const char *Filename)
{
+ pid=-1;
file=NULL;
filename=Filename;
multi_image=false;
imagemagick_trgt::~imagemagick_trgt()
{
- if(file)
+ 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)
{
- String ext(find(filename.begin(),filename.end(),'.')+1,filename.end());
- if(ext=="xpm")
+ if(filename_extension(filename) == ".xpm")
pf=PF_RGB;
else
pf=PF_RGB|PF_A;
{
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)
{
- string command;
+ const char *msg=_("Unable to open pipe to imagemagick's convert utility");
- if(channels(pf)==4)
- command=strprintf("convert -depth 8 -size %dx%d rgba:-[0] -density %dx%d \"%s\"\n",desc.get_w(),desc.get_h(),round_to_int(desc.get_x_res()/39.3700787402),round_to_int(desc.get_y_res()/39.3700787402),filename.c_str());
+ string newfilename;
+
+ if (multi_image)
+ newfilename = (filename_sans_extension(filename) +
+ etl::strprintf(".%04d",imagecount) +
+ filename_extension(filename));
else
- command=strprintf("convert -depth 8 -size %dx%d rgb:-[0] -density %dx%d \"%s\"\n",desc.get_w(),desc.get_h(),round_to_int(desc.get_x_res()/39.3700787402),round_to_int(desc.get_y_res()/39.3700787402),filename.c_str());
+ 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)
- file=popen(command.c_str(),"w");
+ 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)
{
- const char *msg=_("Unable to open pipe to imagemagick's convert utility");
if(cb)cb->error(N_(msg));
else synfig::error(N_(msg));
return false;
}
Color *
-imagemagick_trgt::start_scanline(int scanline)
+imagemagick_trgt::start_scanline(int /*scanline*/)
{
return color_buffer;
}