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/* Copyright (C) 1989, 1996 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: gscoord.h,v 1.5 2002/06/16 08:45:42 lpd Exp $ */
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/* Interface to graphics state CTM procedures */
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/* Requires gsmatrix.h and gsstate.h */
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#ifndef gscoord_INCLUDED
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# define gscoord_INCLUDED
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/* Coordinate system modification */
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int gs_initmatrix(gs_state *),
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gs_defaultmatrix(const gs_state *, gs_matrix *),
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gs_currentmatrix(const gs_state *, gs_matrix *),
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gs_setmatrix(gs_state *, const gs_matrix *),
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gs_translate(gs_state *, floatp, floatp),
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gs_scale(gs_state *, floatp, floatp),
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gs_rotate(gs_state *, floatp),
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gs_concat(gs_state *, const gs_matrix *);
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/* Extensions */
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int gs_setdefaultmatrix(gs_state *, const gs_matrix *),
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gs_currentcharmatrix(gs_state *, gs_matrix *, bool),
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gs_setcharmatrix(gs_state *, const gs_matrix *),
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gs_settocharmatrix(gs_state *);
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/* Coordinate transformation */
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int gs_transform(gs_state *, floatp, floatp, gs_point *),
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gs_dtransform(gs_state *, floatp, floatp, gs_point *),
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gs_itransform(gs_state *, floatp, floatp, gs_point *),
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gs_idtransform(gs_state *, floatp, floatp, gs_point *);
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#ifndef gs_imager_state_DEFINED
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# define gs_imager_state_DEFINED
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typedef struct gs_imager_state_s gs_imager_state;
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#endif
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int gs_imager_setmatrix(gs_imager_state *, const gs_matrix *);
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int gs_imager_idtransform(const gs_imager_state *, floatp, floatp, gs_point *);
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#endif /* gscoord_INCLUDED */
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