Moved to public_com. Also needed by decoders as well as image lib. pnunn.

modules/libimg/src/il_utilp.h

@@ -1,78 +0,0 @@
-/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL.  You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation.  Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
- * Reserved.
- */
-
-/* -*- Mode: C; tab-width: 4 -*-
- *  il_utilp.h Colormap and colorspace utilities - types and definitions
- *             private to Image Library.            
- *
- *   $Id: il_utilp.h,v 3.2 1998-07-27 16:09:36 hardts%netscape.com Exp $
- */
-
-
-/************************* Colormap utilities ********************************/
-
-/* Parameters for building a color cube and its associated lookup table. */
-#define LOOKUP_TABLE_SIZE  32768
-#define LOOKUP_TABLE_RED   32
-#define LOOKUP_TABLE_GREEN 32
-#define LOOKUP_TABLE_BLUE  32
-#define CUBE_MAX_SIZE      256
-
-/* Macro to convert 8-bit/channel RGB data into an 8-bit colormap index. */
-#define COLORMAP_INDEX(lookup_table, red, green, blue)     \
-        lookup_table[LOOKUP_TABLE_INDEX(red, green, blue)]
-
-/* Macro to convert 8-bit/channel RGB data into a 16-bit lookup table index.
-   The lookup table value is the index to the colormap. */
-#define LOOKUP_TABLE_INDEX(red, green, blue) \
-        ((USE_5_BITS(red) << 10) |           \
-        (USE_5_BITS(green) << 5) |           \
-        USE_5_BITS(blue))
-
-/* Take the 5 most significant bits of an 8-bit value. */
-#define USE_5_BITS(x) ((x) >> 3)
-
-/* Scaling macro for creating color cubes. */
-#define CUBE_SCALE(val, double_new_size_minus1, old_size_minus1, \
-                   double_old_size_minus1)                       \
-        ((val) * (double_new_size_minus1) + (old_size_minus1)) / \
-        (double_old_size_minus1)
-
-
-/************************** Colorspace utilities *****************************/
-
-/* Image Library private part of an IL_ColorSpace structure. */
-typedef struct il_ColorSpaceData {
-    /* RGB24 to RGBN depth conversion maps.  Each of these maps take an
-       8-bit input for a color channel and converts it into that channel's
-       contribution to a depth N pixmap e.g. for a 24 to 16-bit color
-       conversion, the output pixel is given by
-
-       uint8 red, green, blue;
-       uint16 output_pixel;
-       output_pixel = r8torgbn[red] + g8torgbn[green] + b8torgbn[blue];
-
-       Depth conversion maps are created for the following destination image
-       pixmap depths: N = 8, 16 and 32.  The type of the array elements is a
-       uintN. */
-    void *r8torgbn;
-    void *g8torgbn;
-    void *b8torgbn;
-} il_ColorSpaceData;
-
-