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- /* Copyright (C) 1998 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: gxrplane.h,v 1.2 2000/09/19 19:00:40 lpd Exp $ */
- /* Definitions for planar rendering */
-
- #ifndef gxrplane_INCLUDED
- # define gxrplane_INCLUDED
-
- #ifndef gx_device_DEFINED
- # define gx_device_DEFINED
- typedef struct gx_device_s gx_device;
- #endif
-
- /*
- * Define the parameters for extracting a single plane from chunky pixels.
- * This structure should be considered opaque, and should only be
- * initialized with the procedure.
- */
- typedef struct gx_render_plane_s {
- int depth;
- int shift; /* bit position of l.s.b. from low end */
- int index; /* index within multi-screen halftone */
- } gx_render_plane_t;
-
- /*
- * Initialize a rendering plane specification for a device. Note that it is
- * up to the device to decide which bits constitute a given plane identified
- * by index. (Currently this is done with a fixed procedure, but eventually
- * it will be made a property of the device somehow, perhaps in the
- * color_info.)
- */
- int gx_render_plane_init(P3(gx_render_plane_t *render_plane,
- const gx_device *dev, int index));
-
- #endif /* gxrplane_INCLUDED */
-