20060303-partial

1 files changed, 48 insertions, 0 deletions

diff --git a/module/imagefile.m b/module/imagefile.m
new file mode 100644
index 00000000..2e386aa7
--- /dev/null
+++ b/module/imagefile.m
@@ -0,0 +1,48 @@
+RImagefile: module 
+{
+	READGIFPATH:	con "/dis/lib/readgif.dis";
+	READJPGPATH:	con "/dis/lib/readjpg.dis";
+	READXBMPATH:	con "/dis/lib/readxbitmap.dis";
+	READPICPATH:	con "/dis/lib/readpicfile.dis";
+	READPNGPATH:	con "/dis/lib/readpng.dis";
+
+	Rawimage: adt
+	{
+		r:	Draw->Rect;
+		cmap:    array of byte;
+		transp:  int;	# transparency flag (only for nchans=1)
+		trindex: byte;	# transparency index
+		nchans:  int;
+		chans:   array of array of byte;
+		chandesc:int;
+
+		fields:	int;    # defined by format
+	};
+
+	# chandesc
+	CRGB:   con 0;  # three channels, no map
+	CY:     con 1;  # one channel, luminance
+	CRGB1:  con 2;  # one channel, map present
+
+	init:	fn(bufio: Bufio);
+	read:	fn(fd: ref Bufio->Iobuf): (ref Rawimage, string);
+	readmulti:	fn(fd: ref Bufio->Iobuf): (array of ref Rawimage, string);
+};
+
+WImagefile: module 
+{
+	WRITEGIFPATH:	con "/dis/lib/writegif.dis";
+
+	init:	fn(bufio: Bufio);
+#	write:	fn(fd: ref Bufio->Iobuf, ref RImagefile->Rawimage): string;
+	writeimage:	fn(fd: ref Bufio->Iobuf, image: ref Draw->Image): string;
+};
+
+
+Imageremap: module
+{
+	PATH:	con "/dis/lib/imageremap.dis";
+
+	init:	fn(d: ref Draw->Display);
+	remap:	fn(i: ref RImagefile->Rawimage, d: ref Draw->Display, errdiff: int): (ref Draw->Image, string);
+};