1 files changed, 61 insertions, 0 deletions
diff --git a/src/imagemagick.c b/src/imagemagick.c
new file mode 100644
index 0000000..3c4a9cd
--- /dev/null
+++ b/src/imagemagick.c
@@ -0,0 +1,61 @@
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/wait.h>
+
+#include "meh.h"
+
+struct image *imagemagick_open(FILE *f){
+  char template[] = "/tmp/fileXXXXXX";
+  char *ntmp = mktemp(template);
+  if(!ntmp){
+    perror("mktemp");
+    exit(EXIT_FAILURE);
+  }
+
+  int pid;
+  if(!(pid = fork())){
+    int origfd = fileno(f);
+    if(lseek(origfd, 0, SEEK_SET) != 0){
+      perror("lseek");
+      exit(EXIT_FAILURE);
+    }
+
+    char *argv[6];
+
+    argv[0] = "convert";
+    argv[1] = "-depth";
+    argv[2] = "255";
+    asprintf(&argv[3], "fd:%i", origfd);
+    asprintf(&argv[4], "ppm:%s", ntmp);
+    argv[5] = NULL;
+    execvp(argv[0], argv);
+    perror("exec");
+    exit(EXIT_FAILURE);
+  }else{
+    int status;
+    waitpid(pid, &status, 0);
+    if(status){
+      return NULL;
+    }
+    fclose(f);
+    FILE *ftmp;
+    if(!(ftmp = fopen(ntmp, "rb"))){
+      perror("fopen");
+      exit(EXIT_FAILURE);
+    }
+    return netpbm.open(ftmp);
+  }
+}
+
+struct imageformat imagemagick = {
+	imagemagick_open,
+	NULL,
+	NULL,
+	NULL
+};
+