1 files changed, 100 insertions, 0 deletions
diff --git a/fileops.c b/fileops.c
new file mode 100644
index 0000000..fb24930
--- /dev/null
+++ b/fileops.c
@@ -0,0 +1,100 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <X11/Xlib.h>
+#include <X11/Intrinsic.h>
+
+#include "list.h"
+#include "ida.h"
+#include "readers.h"
+#include "filebutton.h"
+#include "fileops.h"
+
+#include <jpeglib.h>
+#include "jpeg/transupp.h"		/* Support routines for jpegtran */
+#include "jpegtools.h"
+
+/*----------------------------------------------------------------------*/
+
+struct jobqueue {
+    struct list_head       list;
+    char                   *op;
+    char                   *filename;
+    char                   *args;
+};
+static LIST_HEAD(jobs);
+static XtWorkProcId jobproc;
+
+/*----------------------------------------------------------------------*/
+
+static Boolean job_worker(XtPointer clientdata)
+{
+    struct jobqueue *job;
+    unsigned int flags =
+	JFLAG_TRANSFORM_IMAGE     |
+	JFLAG_TRANSFORM_THUMBNAIL |
+	JFLAG_UPDATE_ORIENTATION;
+    
+    if (list_empty(&jobs)) {
+	/* nothing to do */
+	jobproc = 0;
+	return TRUE;
+    }
+    job = list_entry(jobs.next, struct jobqueue, list);
+
+    /* process job */
+    if (debug)
+	fprintf(stderr,"job worker: %s %s\n",job->op,job->filename);
+    ptr_busy();
+    if (0 == strcmp(job->op,"rotexif")) {
+	jpeg_transform_inplace(job->filename, -1/*auto*/,
+			       NULL, NULL, 0, flags);
+
+    } else if (0 == strcmp(job->op,"rotcw")) {
+	jpeg_transform_inplace(job->filename, JXFORM_ROT_90,
+			       NULL, NULL, 0, flags);
+
+    } else if (0 == strcmp(job->op,"rotccw")) {
+	jpeg_transform_inplace(job->filename, JXFORM_ROT_270,
+			       NULL, NULL, 0, flags);
+
+    } else if (0 == strcmp(job->op,"comment")) {
+	jpeg_transform_inplace(job->filename, JXFORM_NONE, job->args,
+			       NULL, 0, 
+			       JFLAG_UPDATE_COMMENT);
+
+    } else {
+	fprintf(stderr,"job: \"%s\" is *unknown*\n",job->op);
+    }
+    ptr_idle();
+    fileinfo_invalidate(job->filename);
+
+    /* cleanup */
+    list_del(&job->list);
+    free(job->filename);
+    free(job->op);
+    if (job->args)
+	free(job->args);
+    free(job);
+    return FALSE;
+}
+
+/*----------------------------------------------------------------------*/
+
+void job_submit(char *op, char *filename, char *args)
+{
+    struct jobqueue *job;
+
+    job = malloc(sizeof(*job));
+    memset(job,0,sizeof(*job));
+    job->op       = strdup(op);
+    job->filename = strdup(filename);
+    if (args)
+	job->args = strdup(args);
+    list_add_tail(&job->list,&jobs);
+    if (debug)
+	fprintf(stderr,"job submit: %s %s\n",job->op,job->filename);
+    if (0 == jobproc)
+	jobproc = XtAppAddWorkProc(app_context,job_worker,NULL);
+}