- 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());
+#if defined(WIN32_PIPE_TO_PROCESSES)
+
+ int p[2];
+ int stdin_fileno, stdout_fileno;
+
+ if(_pipe(p, 512, O_BINARY | O_NOINHERIT) < 0) {
+ if(cb) cb->error(N_(msg));
+ else synfig::error(N_(msg));
+ return false;
+ }
+
+ // Save stdin/stdout so we can restore them later
+ stdin_fileno = _dup(_fileno(stdin));
+ stdout_fileno = _dup(_fileno(stdout));
+
+ // convert should read from the pipe
+ if(_dup2(p[0], _fileno(stdin)) != 0) {
+ if(cb) cb->error(N_(msg));
+ else synfig::error(N_(msg));
+ return false;
+ }
+
+ /*
+ convert accepts the output filename on the command-line
+ if(_dup2(_fileno(output), _fileno(stdout)) != 0) {
+ if(cb) cb->error(N_(msg));
+ else synfig::error(N_(msg));
+ return false;
+ }
+ */
+
+ pid = _spawnlp(_P_NOWAIT, "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);
+
+ if( pid < 0) {
+ if(cb) cb->error(N_(msg));
+ else synfig::error(N_(msg));
+ return false;
+ }
+
+ // Restore stdin/stdout
+ if(_dup2(stdin_fileno, _fileno(stdin)) != 0) {
+ if(cb) cb->error(N_(msg));
+ else synfig::error(N_(msg));
+ return false;
+ }
+ if(_dup2(stdout_fileno, _fileno(stdout)) != 0) {
+ if(cb) cb->error(N_(msg));
+ else synfig::error(N_(msg));
+ return false;
+ }
+ close(stdin_fileno);
+ close(stdout_fileno);
+
+ // Close the pipe read end - convert uses it
+ close(p[0]);
+
+ // We write data to the write end of the pipe
+ file = fdopen(p[1], "wb");