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- /* Copyright (C) 1996, 1999 Aladdin Enterprises. All rights reserved.
-
- This file is part of AFPL Ghostscript.
-
- AFPL Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author or
- distributor accepts any responsibility for the consequences of using it, or
- for whether it serves any particular purpose or works at all, unless he or
- she says so in writing. Refer to the Aladdin Free Public License (the
- "License") for full details.
-
- Every copy of AFPL Ghostscript must include a copy of the License, normally
- in a plain ASCII text file named PUBLIC. The License grants you the right
- to copy, modify and redistribute AFPL Ghostscript, but only under certain
- conditions described in the License. Among other things, the License
- requires that the copyright notice and this notice be preserved on all
- copies.
- */
-
- /*$Id: gsflip.h,v 1.2 2000/09/19 19:00:28 lpd Exp $ */
- /* Interface to routines for "flipping" image data */
-
- #ifndef gsflip_INCLUDED
- # define gsflip_INCLUDED
-
- /*
- * Convert planar (MultipleDataSource) input to chunky format. The input
- * data starts at planes[0] + offset ... planes[num_planes-1] + offset; the
- * output is stored at buffer. This procedure assumes that the input
- * consists of an integral number of pixels; in particular, for 12-bit
- * input, nbytes is rounded up to a multiple of 3. num_planes must be >=0;
- * bits_per_sample must be 1, 2, 4, 8, or 12. Returns -1 if num_planes or
- * bits_per_sample is invalid, otherwise 0.
- */
- extern int image_flip_planes(P6(byte * buffer, const byte ** planes,
- int offset, int nbytes,
- int num_planes, int bits_per_sample));
-
- #endif /* gsflip_INCLUDED */
-