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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: gsropc.h,v 1.2 2000/09/19 19:00:32 lpd Exp $ */
- /* RasterOp-compositing interface */
- #ifndef gsropc_INCLUDED
- # define gsropc_INCLUDED
- #include "gscompt.h"
- #include "gsropt.h"
- /*
- * Define parameters for RasterOp-compositing.
- * There are two kinds of RasterOp compositing operations.
- * If texture == 0, the input data are the texture, and the source is
- * implicitly all 0 (black). If texture != 0, it defines the texture,
- * and the input data are the source. Note that in the latter case,
- * the client (the caller of gs_create_composite_rop) promises that
- * *texture will not change.
- */
- #ifndef gx_device_color_DEFINED
- # define gx_device_color_DEFINED
- typedef struct gx_device_color_s gx_device_color;
- #endif
- typedef struct gs_composite_rop_params_s {
- gs_logical_operation_t log_op;
- const gx_device_color *texture;
- } gs_composite_rop_params_t;
- /* Create a RasterOp-compositing object. */
- int gs_create_composite_rop(P3(gs_composite_t ** ppcte,
- const gs_composite_rop_params_t * params,
- gs_memory_t * mem));
- #endif /* gsropc_INCLUDED */
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