shithub: riscv

ref: e3217c6f6a406d866238ce19bbb6d1aae17a71af
dir: /sys/src/cmd/gs/src/gsnorop.c/

/* Copyright (C) 1998 Aladdin Enterprises.  All rights reserved.
  
  This software is provided AS-IS with no warranty, either express or
  implied.
  
  This software is distributed under license and may not be copied,
  modified or distributed except as expressly authorized under the terms
  of the license contained in the file LICENSE in this distribution.
  
  For more information about licensing, please refer to
  http://www.ghostscript.com/licensing/. For information on
  commercial licensing, go to http://www.artifex.com/licensing/ or
  contact Artifex Software, Inc., 101 Lucas Valley Road #110,
  San Rafael, CA  94903, U.S.A., +1(415)492-9861.
*/

/* $Id: gsnorop.c,v 1.4 2002/02/21 22:24:52 giles Exp $ */
/* Stubs for unimplemented RasterOp */
#include "gx.h"
#include "gserrors.h"
#include "gsrop.h"
#include "gxdevcli.h"
#include "gxdevice.h"		/* for gx_default_*copy_rop prototypes */
#include "gxdevmem.h"		/* for gdevmem.h */
#include "gdevmem.h"		/* for mem_*_strip_copy_rop prototypes */
#include "gdevmrop.h"

/* Stub accessors to logical operation in graphics state. */

gs_logical_operation_t
gs_current_logical_op(const gs_state * pgs)
{
    return lop_default;
}

int
gs_set_logical_op(gs_state * pgs, gs_logical_operation_t lop)
{
    return (lop == lop_default ? 0 : gs_note_error(gs_error_rangecheck));
}

/* Stub RasterOp implementations for memory devices. */

int
mem_mono_strip_copy_rop(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)
{
    return_error(gs_error_rangecheck);
}

int
mem_gray_strip_copy_rop(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)
{
    return_error(gs_error_rangecheck);
}

int
mem_gray8_rgb24_strip_copy_rop(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)
{
    return_error(gs_error_rangecheck);
}

/* Stub default implementations of device procedures. */

int
gx_default_copy_rop(gx_device * dev,
	     const byte * sdata, int sourcex, uint sraster, gx_bitmap_id id,
		    const gx_color_index * scolors,
	     const gx_tile_bitmap * texture, const gx_color_index * tcolors,
		    int x, int y, int width, int height,
		    int phase_x, int phase_y, gs_logical_operation_t lop)
{
    return_error(gs_error_unknownerror);	/* not implemented */
}

int
gx_default_strip_copy_rop(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)
{
    return_error(gs_error_unknownerror);	/* not implemented */
}

int
mem_default_strip_copy_rop(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)
{
    return_error(gs_error_unknownerror);	/* not implemented */
}

/* Stub RasterOp source devices. */

int
gx_alloc_rop_texture_device(gx_device_rop_texture ** prsdev, gs_memory_t * mem,
			    client_name_t cname)
{
    return_error(gs_error_rangecheck);
}

void
gx_make_rop_texture_device(gx_device_rop_texture * dev, gx_device * target,
	     gs_logical_operation_t log_op, const gx_device_color * texture)
{				/* Never called. */
}