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Diffstat (limited to 'gs/src/gdevmrop.h')
| -rw-r--r-- | gs/src/gdevmrop.h | 98 |
1 files changed, 63 insertions, 35 deletions
diff --git a/gs/src/gdevmrop.h b/gs/src/gdevmrop.h index 0a0bd0697..dd4a7cb4c 100644 --- a/gs/src/gdevmrop.h +++ b/gs/src/gdevmrop.h @@ -1,30 +1,50 @@ -/* Copyright (C) 1995, 1996 Aladdin Enterprises. All rights reserved. - - This file is part of Aladdin Ghostscript. - - Aladdin 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 Ghostscript Free Public - License (the "License") for full details. - - Every copy of Aladdin 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 Aladdin 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. -*/ - -/* gdevmrop.h */ -/* Interfaces to RasterOp implementation */ +/* Copyright (C) 1995, 1996, 1998 Aladdin Enterprises. All rights reserved. + + This file is part of Aladdin Ghostscript. + + Aladdin 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 Ghostscript Free Public + License (the "License") for full details. + + Every copy of Aladdin 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 Aladdin 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: gdevmrop.h */ +/* Definitions for device RasterOp implementations. */ /* Requires gxdevmem.h, gsropt.h */ +#ifndef gdevmrop_INCLUDED +# define gdevmrop_INCLUDED + /* Define the table of RasterOp implementation procedures. */ -extern const far_data rop_proc rop_proc_table[256]; +extern const rop_proc rop_proc_table[256]; /* Define the table of RasterOp operand usage. */ -extern const far_data byte /*rop_usage_t*/ rop_usage_table[256]; +extern const byte /*rop_usage_t */ rop_usage_table[256]; + +/* + * 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 @@ -32,32 +52,40 @@ extern const far_data byte /*rop_usage_t*/ rop_usage_table[256]; * 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 PostScript color, - * even a Pattern. + * 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; - const gx_device_color *texture; + gx_device_forward_common; + gs_logical_operation_t log_op; + gx_device_color texture; }; -extern_st(st_device_rop_texture); -#define public_st_device_rop_texture()\ - gs_public_st_suffix_add1(st_device_rop_texture, gx_device_rop_texture,\ - "gx_device_rop_texture", device_rop_texture_enum_ptrs, device_rop_texture_reloc_ptrs,\ - st_device_forward, texture) + +#define private_st_device_rop_texture() /* in gdevrops.c */\ + gs_private_st_composite(st_device_rop_texture, gx_device_rop_texture,\ + "gx_device_rop_texture", device_rop_texture_enum_ptrs, device_rop_texture_reloc_ptrs) + +/* 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, +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)); + const gx_device_color * texture)); + +#endif /* gdevmrop_INCLUDED */ |