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- /* Copyright (C) 1996 Aladdin Enterprises. All rights reserved.
-
- This file is part of Aladdin Ghostscript.
-
- Aladdin 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 Ghostscript Free Public
- License (the "License") for full details.
-
- Every copy of Aladdin 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 Aladdin 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.
- */
-
- /* gsflip.h */
- /* Interface to routines for "flipping" image data */
-
- /*
- * Convert line-based (MultipleDataSource) input to the chunky format
- * used everywhere else.
- *
- * We store the output at buffer.
- * Each row of input must consist of an integral number of pixels.
- * In particular, for 12-bit input, nbytes must be 0 mod 3.
- * offset is the amount to be added to each plane pointer.
- * num_planes must be 3 or 4; 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,
- uint offset, uint nbytes,
- int num_planes, int bits_per_sample));
-