move format to a separate branch, revert trunk

TODO

@@ -1,3 +1,8 @@
+- when we open with a mmap window and later do im_incheck(), do we remap the
+  whole file?
+
+- remove a lot of stuff
+
 - read_vips() in im_open.c:179 needs moving to format and breaking into is_a,
   header, load and save, as tiff etc.
 

libsrc/iofuncs/im_open.c

@@ -139,33 +139,6 @@ Modified:
 #include <dmalloc.h>
 #endif /*WITH_DMALLOC*/
 
-/* Suffix sets.
- */
-static const char *im_suffix_vips[] = {
-	"v", "",
-	NULL
-};
-static const char *im_suffix_tiff[] = {
-	"tif", "tiff",
-	NULL
-};
-static const char *im_suffix_jpeg[] = {
-	"jpeg", "jpg", "jfif", "jpe",
-	NULL
-};
-static const char *im_suffix_ppm[] = {
-	"ppm", "pbm", "pgm", 
-	NULL
-};
-static const char *im_suffix_png[] = {
-	"png", 
-	NULL
-};
-static const char *im_suffix_csv[] = {
-	"csv", 
-	NULL
-};
-
 /* Progress feedback. Only really useful for testing, tbh.
  */
 int im__progress = 0;

libsrc/iofuncs/im_open_vips.c

@@ -1,7 +1,8 @@
-/* Read a VIPS file into a IMAGE *
+/* Read and write a VIPS file into an IMAGE *
  * 
  * 22/5/08
- * 	- from im_open.c, im_openin.c, im_desc_hd.c, im_readhist.c
+ * 	- from im_open.c, im_openin.c, im_desc_hd.c, im_readhist.c,
+ * 	  im_openout.c
  */
 
 /*
@@ -729,7 +730,7 @@ im_openinrw( IMAGE *image )
  * ":w" at the end of the filename means we open read-write.
  */
 IMAGE *
-im_open_vips( const char *filename )
+im_vips_open( const char *filename )
 {
 	char name[FILENAME_MAX];
 	char mode[FILENAME_MAX];
@@ -804,3 +805,15 @@ im_open_vips( const char *filename )
 	return( im );
 }
 
+IMAGE *
+im_vips_openout( const char *filename )
+{	
+	IMAGE *image;
+
+	if( !(image = im_init( filename )) ) 
+		return( NULL );
+	image->dtype = IM_OPENOUT;
+
+	return( image );
+}
+