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/* Copyright (C) 1995, 1996, 1998, 1999 Aladdin Enterprises. All rights reserved.
This software is licensed to a single customer by Artifex Software Inc.
under the terms of a specific OEM agreement.
*/
/*$RCSfile$ $Revision$ */
/* Definitions for device RasterOp implementations. */
/* Requires gxdevmem.h, gsropt.h */
#ifndef gdevmrop_INCLUDED
# define gdevmrop_INCLUDED
/*
* Define whether we implement transparency correctly, or whether we
* implement it as documented in the H-P manuals.
*/
#define TRANSPARENCY_PER_H_P
/*
* Compute the effective RasterOp for the 1-bit case,
* taking transparency into account.
*/
gs_rop3_t gs_transparent_rop(P1(gs_logical_operation_t lop));
#ifdef DEBUG
/* Trace a [strip_]copy_rop call. */
void trace_copy_rop(P16(const char *cname, gx_device * dev,
const byte * sdata, int sourcex, uint sraster,
gx_bitmap_id id, const gx_color_index * scolors,
const gx_strip_bitmap * textures,
const gx_color_index * tcolors,
int x, int y, int width, int height,
int phase_x, int phase_y, gs_logical_operation_t lop));
#endif
/*
* PostScript colors normally act as the texture for RasterOp, with a null
* (all zeros) source. For images with CombineWithColor = true, we need
* a way to use the image data as the source. We implement this with a
* device that applies RasterOp with a specified texture to drawing
* operations, treating the drawing color as source rather than texture.
* The texture is a gx_device_color; it may be any type of color, even a
* pattern.
*/
#ifndef gx_device_color_DEFINED
# define gx_device_color_DEFINED
typedef struct gx_device_color_s gx_device_color;
#endif
#ifndef gx_device_rop_texture_DEFINED
# define gx_device_rop_texture_DEFINED
typedef struct gx_device_rop_texture_s gx_device_rop_texture;
#endif
struct gx_device_rop_texture_s {
gx_device_forward_common;
gs_logical_operation_t log_op;
gx_device_color texture;
};
#define private_st_device_rop_texture() /* in gdevrops.c */\
gs_private_st_composite_use_final(st_device_rop_texture,\
gx_device_rop_texture, "gx_device_rop_texture",\
device_rop_texture_enum_ptrs, device_rop_texture_reloc_ptrs,\
gx_device_finalize)
/* Create a RasterOp source device. */
int gx_alloc_rop_texture_device(P3(gx_device_rop_texture ** prsdev,
gs_memory_t * mem,
client_name_t cname));
/* Initialize a RasterOp source device. */
void gx_make_rop_texture_device(P4(gx_device_rop_texture * rsdev,
gx_device * target,
gs_logical_operation_t lop,
const gx_device_color * texture));
#endif /* gdevmrop_INCLUDED */
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